no code implementations • CVPR 2014 • Vasileios Belagiannis, Sikandar Amin, Mykhaylo Andriluka, Bernt Schiele, Nassir Navab, Slobodan Ilic
In this work, we address the problem of 3D pose estimation of multiple humans from multiple views.
Ranked #24 on 3D Multi-Person Pose Estimation on Shelf
no code implementations • CVPR 2014 • Chun-Hao Huang, Edmond Boyer, Nassir Navab, Slobodan Ilic
In contrast to many existing approaches that rely on a single reference model, multiple templates represent a larger variability of human poses.
no code implementations • 6 Sep 2014 • Vasileios Belagiannis, Xinchao Wang, Bernt Schiele, Pascal Fua, Slobodan Ilic, Nassir Navab
To address these challenges, we propose a temporally consistent 3D Pictorial Structures model (3DPS) for multiple human pose estimation from multiple camera views.
Ranked #16 on 3D Multi-Person Pose Estimation on Campus
1 code implementation • ICCV 2015 • Vasileios Belagiannis, Christian Rupprecht, Gustavo Carneiro, Nassir Navab
Convolutional Neural Networks (ConvNets) have successfully contributed to improve the accuracy of regression-based methods for computer vision tasks such as human pose estimation, landmark localization, and object detection.
no code implementations • CVPR 2015 • Maximilian Baust, Laurent Demaret, Martin Storath, Nassir Navab, Andreas Weinmann
This paper introduces the concept of shape signals, i. e., series of shapes which have a natural temporal or spatial ordering, as well as a variational formulation for the regularization of these signals.
no code implementations • CVPR 2015 • Chun-Hao Huang, Edmond Boyer, Bibiana do Canto Angonese, Nassir Navab, Slobodan Ilic
It usually comprises an association step, that finds correspondences between the model and the input data, and a deformation step, that fits the model to the observations given correspondences.
no code implementations • CVPR 2015 • Christian Rupprecht, Loic Peter, Nassir Navab
Consider the following scenario between a human user and the computer.
no code implementations • 23 Oct 2015 • Kanishka Sharma, Loic Peter, Christian Rupprecht, Anna Caroli, Lichao Wang, Andrea Remuzzi, Maximilian Baust, Nassir Navab
This paper presents a method for 3D segmentation of kidneys from patients with autosomal dominant polycystic kidney disease (ADPKD) and severe renal insufficiency, using computed tomography (CT) data.
no code implementations • ICCV 2015 • Gustavo Carneiro, Tingying Peng, Christine Bayer, Nassir Navab
We introduce two new structured output models that use a latent graph, which is flexible in terms of the number of nodes and structure, where the training process minimises a high-order loss function using a weakly annotated training set.
no code implementations • ICCV 2015 • David Joseph Tan, Federico Tombari, Slobodan Ilic, Nassir Navab
This paper proposes a temporal tracking algorithm based on Random Forest that uses depth images to estimate and track the 3D pose of a rigid object in real-time.
no code implementations • 26 Jan 2016 • Fausto Milletari, Seyed-Ahmad Ahmadi, Christine Kroll, Annika Plate, Verena Rozanski, Juliana Maiostre, Johannes Levin, Olaf Dietrich, Birgit Ertl-Wagner, Kai Bötzel, Nassir Navab
In this work we propose a novel approach to perform segmentation by leveraging the abstraction capabilities of convolutional neural networks (CNNs).
17 code implementations • 1 Jun 2016 • Iro Laina, Christian Rupprecht, Vasileios Belagiannis, Federico Tombari, Nassir Navab
This paper addresses the problem of estimating the depth map of a scene given a single RGB image.
no code implementations • CVPR 2016 • Chun-Hao Huang, Benjamin Allain, Jean-Sebastien Franco, Nassir Navab, Slobodan Ilic, Edmond Boyer
In this paper, we propose a new framework for 3D tracking by detection based on fully volumetric representations.
27 code implementations • 15 Jun 2016 • Fausto Milletari, Nassir Navab, Seyed-Ahmad Ahmadi
Convolutional Neural Networks (CNNs) have been recently employed to solve problems from both the computer vision and medical image analysis fields.
no code implementations • 24 Jun 2016 • Felix Grün, Christian Rupprecht, Nassir Navab, Federico Tombari
Over the last decade, Convolutional Neural Networks (CNN) saw a tremendous surge in performance.
no code implementations • 18 Jul 2016 • Christian Rupprecht, Elizabeth Huaroc, Maximilian Baust, Nassir Navab
We propose a method for interactive boundary extraction which combines a deep, patch-based representation with an active contour framework.
no code implementations • 20 Jul 2016 • Wadim Kehl, Federico Tombari, Nassir Navab, Slobodan Ilic, Vincent Lepetit
We present a scalable method for detecting objects and estimating their 3D poses in RGB-D data.
no code implementations • 20 Jul 2016 • Wadim Kehl, Fausto Milletari, Federico Tombari, Slobodan Ilic, Nassir Navab
We present a 3D object detection method that uses regressed descriptors of locally-sampled RGB-D patches for 6D vote casting.
no code implementations • 26 Aug 2016 • Gerda Bortsova, Michael Sterr, Lichao Wang, Fausto Milletari, Nassir Navab, Anika Böttcher, Heiko Lickert, Fabian Theis, Tingying Peng
A statistical analysis of these measurements requires annotation of mitosis events, which is currently a tedious and time-consuming task that has to be performed manually.
no code implementations • 26 Aug 2016 • Wadim Kehl, Tobias Holl, Federico Tombari, Slobodan Ilic, Nassir Navab
Volume-based reconstruction is usually expensive both in terms of memory consumption and runtime.
no code implementations • 17 Sep 2016 • Martin Simonovsky, Benjamín Gutiérrez-Becker, Diana Mateus, Nassir Navab, Nikos Komodakis
Multimodal registration is a challenging problem in medical imaging due the high variability of tissue appearance under different imaging modalities.
no code implementations • 20 Sep 2016 • Florian Dubost, Loic Peter, Christian Rupprecht, Benjamin Gutierrez-Becker, Nassir Navab
We propose a novel hands-free method to interactively segment 3D medical volumes.
no code implementations • 1 Oct 2016 • Vasileios Belagiannis, Sikandar Amin, Mykhaylo Andriluka, Bernt Schiele, Nassir Navab, Slobodan Ilic
We address the problem of 3D pose estimation of multiple humans from multiple views.
Ranked #15 on 3D Multi-Person Pose Estimation on Campus
no code implementations • 28 Oct 2016 • Ralf Stauder, Daniel Ostler, Michael Kranzfelder, Sebastian Koller, Hubertus Feußner, Nassir Navab
In this technical report we present our collected dataset of laparoscopic cholecystectomies (LapChole).
2 code implementations • 21 Nov 2016 • Sebastian Pölsterl, Nassir Navab, Amin Katouzian
Survival analysis is a fundamental tool in medical research to identify predictors of adverse events and develop systems for clinical decision support.
no code implementations • ICCV 2017 • Christian Rupprecht, Iro Laina, Robert DiPietro, Maximilian Baust, Federico Tombari, Nassir Navab, Gregory D. Hager
In future prediction, for example, many distinct outcomes are equally valid.
no code implementations • 16 Dec 2016 • Sailesh Conjeti, Abhijit Guha Roy, Amin Katouzian, Nassir Navab
Hashing aims at generating highly compact similarity preserving code words which are well suited for large-scale image retrieval tasks.
no code implementations • 19 Dec 2016 • Sailesh Conjeti, Anees Kazi, Nassir Navab, Amin Katouzian
This paper presents a new scalable algorithm for cross-modal similarity preserving retrieval in a learnt manifold space.
no code implementations • 19 Dec 2016 • Shadi Albarqouni, Javad Fotouhi, Nassir Navab
X-ray radiography is the most readily available imaging modality and has a broad range of applications that spans from diagnosis to intra-operative guidance in cardiac, orthopedics, and trauma procedures.
no code implementations • ICLR 2018 • Robert DiPietro, Christian Rupprecht, Nassir Navab, Gregory D. Hager
Recurrent neural networks (RNNs) have achieved state-of-the-art performance on many diverse tasks, from machine translation to surgical activity recognition, yet training RNNs to capture long-term dependencies remains difficult.
no code implementations • 16 Mar 2017 • Sailesh Conjeti, Magdalini Paschali, Amin Katouzian, Nassir Navab
In this paper, for the first time, we introduce a multiple instance (MI) deep hashing technique for learning discriminative hash codes with weak bag-level supervision suited for large-scale retrieval.
1 code implementation • 17 Mar 2017 • Christoph Baur, Shadi Albarqouni, Nassir Navab
Deep learning usually requires large amounts of labeled training data, but annotating data is costly and tedious.
1 code implementation • 24 Mar 2017 • Daniil Pakhomov, Vittal Premachandran, Max Allan, Mahdi Azizian, Nassir Navab
Detection, tracking, and pose estimation of surgical instruments are crucial tasks for computer assistance during minimally invasive robotic surgery.
no code implementations • 30 Mar 2017 • Iro Laina, Nicola Rieke, Christian Rupprecht, Josué Page Vizcaíno, Abouzar Eslami, Federico Tombari, Nassir Navab
Real-time instrument tracking is a crucial requirement for various computer-assisted interventions.
2 code implementations • 7 Apr 2017 • Abhijit Guha Roy, Sailesh Conjeti, Sri Phani Krishna Karri, Debdoot Sheet, Amin Katouzian, Christian Wachinger, Nassir Navab
Optical coherence tomography (OCT) is used for non-invasive diagnosis of diabetic macular edema assessing the retinal layers.
1 code implementation • CVPR 2017 • Keisuke Tateno, Federico Tombari, Iro Laina, Nassir Navab
Given the recent advances in depth prediction from Convolutional Neural Networks (CNNs), this paper investigates how predicted depth maps from a deep neural network can be deployed for accurate and dense monocular reconstruction.
no code implementations • 24 Apr 2017 • Benjamin Busam, Tolga Birdal, Nassir Navab
Time-varying, smooth trajectory estimation is of great interest to the vision community for accurate and well behaving 3D systems.
no code implementations • 2 May 2017 • Abhijit Guha Roy, Sailesh Conjeti, Debdoot Sheet, Amin Katouzian, Nassir Navab, Christian Wachinger
While large datasets of unlabeled image data are available in medical applications, access to manually labeled data is very limited.
no code implementations • 2 Jun 2017 • Ralf Stauder, Ergün Kayis, Nassir Navab
A modern operating room (OR) provides a plethora of advanced medical devices.
no code implementations • 4 Jun 2017 • Gerda Bortsova, Gijs van Tulder, Florian Dubost, Tingying Peng, Nassir Navab, Aad van der Lugt, Daniel Bos, Marleen de Bruijne
In this paper, we propose a method for automatic segmentation of ICAC; the first to our knowledge.
no code implementations • 6 Aug 2017 • Huseyin Coskun, Felix Achilles, Robert DiPietro, Nassir Navab, Federico Tombari
One-shot pose estimation for tasks such as body joint localization, camera pose estimation, and object tracking are generally noisy, and temporal filters have been extensively used for regularization.
no code implementations • 5 Sep 2017 • David Joseph Tan, Nassir Navab, Federico Tombari
To determine the 3D orientation and 3D location of objects in the surroundings of a camera mounted on a robot or mobile device, we developed two powerful algorithms in object detection and temporal tracking that are combined seamlessly for robotic perception and interaction as well as Augmented Reality (AR).
no code implementations • 26 Sep 2017 • Séverine Habert, Ma Meng, Pascal Fallavollita, Nassir Navab
In this paper and to our knowledge, we propose a multi-layer visualization in Medical Mixed Reality solution which subtly improves a surgeon's visualization by making transparent the occluding objects.
no code implementations • ICCV 2017 • Huseyin Coskun, Felix Achilles, Robert DiPietro, Nassir Navab, Federico Tombari
One-shot pose estimation for tasks such as body joint localization, camera pose estimation, and object tracking are generally noisy, and temporal filters have been extensively used for regularization.
1 code implementation • 16 Nov 2017 • Rüdiger Göbl, Nassir Navab, Christoph Hennersperger
Including all processing stages of a usual ultrasound pipeline, the run-time analysis shows that it can be executed in 2D and 3D on consumer GPUs in real-time.
1 code implementation • ICCV 2017 • Wadim Kehl, Fabian Manhardt, Federico Tombari, Slobodan Ilic, Nassir Navab
We present a novel method for detecting 3D model instances and estimating their 6D poses from RGB data in a single shot.
Ranked #1 on 6D Pose Estimation using RGBD on Tejani
no code implementations • 4 Jan 2018 • Sebastian Andress, Alex Johnson, Mathias Unberath, Alexander Winkler, Kevin Yu, Javad Fotouhi, Simon Weidert, Greg Osgood, Nassir Navab
Then, annotations on the 2D X-ray images can be rendered as virtual objects in 3D providing surgical guidance.
no code implementations • 4 Jan 2018 • Javad Fotouhi, Clayton P. Alexander, Mathias Unberath, Giacomo Taylor, Sing Chun Lee, Bernhard Fuerst, Alex Johnson, Greg Osgood, Russell H. Taylor, Harpal Khanuja, Mehran Armand, Nassir Navab
Reproducibly achieving proper implant alignment is a critical step in total hip arthroplasty (THA) procedures that has been shown to substantially affect patient outcome.
6 code implementations • 12 Jan 2018 • Abhijit Guha Roy, Sailesh Conjeti, Nassir Navab, Christian Wachinger
We introduce QuickNAT, a fully convolutional, densely connected neural network that segments a \revision{MRI brain scan} in 20 seconds.
no code implementations • 18 Feb 2018 • Jakob Weiss, Nicola Rieke, Mohammad Ali Nasseri, Mathias Maier, Abouzar Eslami, Nassir Navab
We propose to build on its desirable qualities and present a method for tracking the orientation and location of a surgical needle.
10 code implementations • 7 Mar 2018 • Abhijit Guha Roy, Nassir Navab, Christian Wachinger
Fully convolutional neural networks (F-CNNs) have set the state-of-the-art in image segmentation for a plethora of applications.
no code implementations • CVPR 2018 • Tolga Birdal, Benjamin Busam, Nassir Navab, Slobodan Ilic, Peter Sturm
As opposed to state-of-the-art, where a tailored algorithm treats each primitive type separately, we propose to encapsulate all types in a single robust detection procedure.
no code implementations • 22 Mar 2018 • Jonas Hajek, Mathias Unberath, Javad Fotouhi, Bastian Bier, Sing Chun Lee, Greg Osgood, Andreas Maier, Mehran Armand, Nassir Navab
In percutaneous orthopedic interventions the surgeon attempts to reduce and fixate fractures in bony structures.
2 code implementations • 22 Mar 2018 • Mathias Unberath, Jan-Nico Zaech, Sing Chun Lee, Bastian Bier, Javad Fotouhi, Mehran Armand, Nassir Navab
Machine learning-based approaches outperform competing methods in most disciplines relevant to diagnostic radiology.
2 code implementations • 22 Mar 2018 • Bastian Bier, Mathias Unberath, Jan-Nico Zaech, Javad Fotouhi, Mehran Armand, Greg Osgood, Nassir Navab, Andreas Maier
In this work, we present a method to automatically detect anatomical landmarks in X-ray images independent of the viewing direction.
no code implementations • 23 Mar 2018 • Magdalini Paschali, Sailesh Conjeti, Fernando Navarro, Nassir Navab
In this paper, for the first time, we propose an evaluation method for deep learning models that assesses the performance of a model not only in an unseen test scenario, but also in extreme cases of noise, outliers and ambiguous input data.
no code implementations • CVPR 2018 • Christian Rupprecht, Iro Laina, Nassir Navab, Gregory D. Hager, Federico Tombari
Interaction and collaboration between humans and intelligent machines has become increasingly important as machine learning methods move into real-world applications that involve end users.
no code implementations • 30 Mar 2018 • Gerome Vivar, Andreas Zwergal, Nassir Navab, Seyed-Ahmad Ahmadi
In this work, we follow up on the idea of modeling multi-modal disease classification as a matrix completion problem, with simultaneous classification and non-linear imputation of features.
no code implementations • 31 Mar 2018 • Fernando Navarro, Sailesh Conjeti, Federico Tombari, Nassir Navab
Within medical imaging, manual curation of sufficient well-labeled samples is cost, time and scale-prohibitive.
1 code implementation • 4 Apr 2018 • M Tarek Shaban, Christoph Baur, Nassir Navab, Shadi Albarqouni
Digitized Histological diagnosis is in increasing demand.
no code implementations • 5 Apr 2018 • Benjamin Busam, Patrick Ruhkamp, Salvatore Virga, Beatrice Lentes, Julia Rackerseder, Nassir Navab, Christoph Hennersperger
Tracking of rotation and translation of medical instruments plays a substantial role in many modern interventions.
no code implementations • 9 Apr 2018 • Javad Fotouhi, Mathias Unberath, Giacomo Taylor, Arash Ghaani Farashahi, Bastian Bier, Russell H. Taylor, Greg M. Osgood, M. D., Mehran Armand, Nassir Navab
The main challenge is to automatically estimate the desired plane of symmetry within the patient's pre-operative CT. We propose to estimate this plane using a non-linear optimization strategy, by minimizing Tukey's biweight robust estimator, relying on the partial symmetry of the anatomy.
1 code implementation • 12 Apr 2018 • Christoph Baur, Benedikt Wiestler, Shadi Albarqouni, Nassir Navab
Reliably modeling normality and differentiating abnormal appearances from normal cases is a very appealing approach for detecting pathologies in medical images.
no code implementations • 12 Apr 2018 • Christoph Baur, Shadi Albarqouni, Nassir Navab
Generative Adversarial Networks (GANs) have been successfully used to synthesize realistically looking images of faces, scenery and even medical images.
no code implementations • 19 Apr 2018 • Abhijit Guha Roy, Sailesh Conjeti, Nassir Navab, Christian Wachinger
We introduce inherent measures for effective quality control of brain segmentation based on a Bayesian fully convolutional neural network, using model uncertainty.
no code implementations • 20 Apr 2018 • Markus A. Degel, Nassir Navab, Shadi Albarqouni
Segmentation of the left atrium and deriving its size can help to predict and detect various cardiovascular conditions.
no code implementations • 28 Apr 2018 • Anees Kazi, Shadi Albarqouni, Karsten Kortuem, Nassir Navab
Structural data from Electronic Health Records as complementary information to imaging data for disease prediction.
no code implementations • 16 May 2018 • Mai Bui, Sergey Zakharov, Shadi Albarqouni, Slobodan Ilic, Nassir Navab
By combining the strengths of manifold learning using triplet loss and pose regression, we could either estimate the pose directly reducing the complexity compared to NN search, or use learned descriptor for the NN descriptor matching.
no code implementations • 17 May 2018 • Oliver Scheel, Loren Schwarz, Nassir Navab, Federico Tombari
One of the greatest challenges towards fully autonomous cars is the understanding of complex and dynamic scenes.
no code implementations • 17 May 2018 • Amal Lahiani, Jacob Gildenblat, Irina Klaman, Nassir Navab, Eldad Klaiman
A key challenge in cancer immunotherapy biomarker research is quantification of pattern changes in microscopic whole slide images of tumor biopsies.
no code implementations • 22 May 2018 • Mai Bui, Shadi Albarqouni, Slobodan Ilic, Nassir Navab
Scene coordinate regression has become an essential part of current camera re-localization methods.
1 code implementation • 4 Jun 2018 • Fausto Milletari, Nicola Rieke, Maximilian Baust, Marco Esposito, Nassir Navab
Recent neural-network-based architectures for image segmentation make extensive usage of feature forwarding mechanisms to integrate information from multiple scales.
no code implementations • 8 Jun 2018 • Masahiro Oda, Takayuki Kitasaka, Kazuhiro Furukawa, Ryoji Miyahara, Yoshiki Hirooka, Hidemi Goto, Nassir Navab, Kensaku MORI
An estimation method of colon deformations occur during colonoscope insertions is necessary to reduce tracking errors.
no code implementations • 12 Jun 2018 • Julia Rackerseder, Maximilian Baust, Rüdiger Göbl, Nassir Navab, Christoph Hennersperger
Registration of partial-view 3D US volumes with MRI data is influenced by initialization.
no code implementations • 22 Jun 2018 • Mathias Unberath, Javad Fotouhi, Jonas Hajek, Andreas Maier, Greg Osgood, Russell Taylor, Mehran Armand, Nassir Navab
For C-arm repositioning to a particular target view, the recorded C-arm pose is restored as a virtual object and visualized in an AR environment, serving as a perceptual reference for the technician.
no code implementations • 29 Jun 2018 • Deepa Gunashekar, Sailesh Conjeti, Abhijit Guha Roy, Nassir Navab, Kuangyu Shi
Cross modal image syntheses is gaining significant interests for its ability to estimate target images of a different modality from a given set of source images, like estimating MR to MR, MR to CT, CT to PET etc, without the need for an actual acquisition. Though they show potential for applications in radiation therapy planning, image super resolution, atlas construction, image segmentation etc. The synthesis results are not as accurate as the actual acquisition. In this paper, we address the problem of multi modal image synthesis by proposing a fully convolutional deep learning architecture called the SynNet. We extend the proposed architecture for various input output configurations.
no code implementations • 20 Jul 2018 • Santiago Estrada, Sailesh Conjeti, Muneer Ahmad, Nassir Navab, Martin Reuter
Increased information sharing through short and long-range skip connections between layers in fully convolutional networks have demonstrated significant improvement in performance for semantic segmentation.
no code implementations • 23 Jul 2018 • Helisa Dhamo, Keisuke Tateno, Iro Laina, Nassir Navab, Federico Tombari
While conventional depth estimation can infer the geometry of a scene from a single RGB image, it fails to estimate scene regions that are occluded by foreground objects.
2 code implementations • ECCV 2018 • Huseyin Coskun, David Joseph Tan, Sailesh Conjeti, Nassir Navab, Federico Tombari
Nevertheless, we believe that traditional approaches such as L2 distance or Dynamic Time Warping based on hand-crafted local pose metrics fail to appropriately capture the semantic relationship across motions and, as such, are not suitable for being employed as metrics within these tasks.
no code implementations • 17 Aug 2018 • Mingchuan Zhou, Mahdi Hamad, Jakob Weiss, Abouzar Eslami, Kai Huang, Mathias Maier, Chris P. Lohmann, Nassir Navab, Alois Knoll, M. Ali Nasseri
Ophthalmic microsurgery is known to be a challenging operation, which requires very precise and dexterous manipulation.
1 code implementation • ECCV 2018 • Dario Rethage, Johanna Wald, Jürgen Sturm, Nassir Navab, Federico Tombari
This work proposes a general-purpose, fully-convolutional network architecture for efficiently processing large-scale 3D data.
Ranked #27 on Semantic Segmentation on ScanNet
no code implementations • 21 Aug 2018 • Dario Rethage, Federico Tombari, Felix Achilles, Nassir Navab
3D geometry is a very informative cue when interacting with and navigating an environment.
5 code implementations • 23 Aug 2018 • Abhijit Guha Roy, Nassir Navab, Christian Wachinger
Towards this end, we introduce three variants of SE modules for segmentation, (i) squeezing spatially and exciting channel-wise, (ii) squeezing channel-wise and exciting spatially and (iii) joint spatial and channel 'squeeze & excitation'.
no code implementations • ECCV 2018 • Keisuke Tateno, Nassir Navab, Federico Tombari
There is a high demand of 3D data for 360° panoramic images and videos, pushed by the growing availability on the market of specialized hardware for both capturing (e. g., omnidirectional cameras) as well as visualizing in 3D (e. g., head mounted displays) panoramic images and videos.
Ranked #10 on Depth Estimation on Stanford2D3D Panoramic
no code implementations • 5 Sep 2018 • Christoph Baur, Shadi Albarqouni, Nassir Navab
As many other machine learning driven medical image analysis tasks, skin image analysis suffers from a chronic lack of labeled data and skewed class distributions, which poses problems for the training of robust and well-generalizing models.
no code implementations • 13 Sep 2018 • Salome Kazeminia, Christoph Baur, Arjan Kuijper, Bram van Ginneken, Nassir Navab, Shadi Albarqouni, Anirban Mukhopadhyay
Generative Adversarial Networks (GANs) and their extensions have carved open many exciting ways to tackle well known and challenging medical image analysis problems such as medical image de-noising, reconstruction, segmentation, data simulation, detection or classification.
no code implementations • 27 Sep 2018 • Amelia Jiménez-Sánchez, Anees Kazi, Shadi Albarqouni, Sonja Kirchhoff, Alexandra Sträter, Peter Biberthaler, Diana Mateus, Nassir Navab
In this paper, we target the problem of fracture classification from clinical X-Ray images towards an automated Computer Aided Diagnosis (CAD) system.
1 code implementation • ECCV 2018 • Fabian Manhardt, Wadim Kehl, Nassir Navab, Federico Tombari
We present a novel approach for model-based 6D pose refinement in color data.
no code implementations • 11 Oct 2018 • Shubham Kumar, Sailesh Conjeti, Abhijit Guha Roy, Christian Wachinger, Nassir Navab
We present a novel, parameter-efficient and practical fully convolutional neural network architecture, termed InfiNet, aimed at voxel-wise semantic segmentation of infant brain MRI images at iso-intense stage, which can be easily extended for other segmentation tasks involving multi-modalities.
no code implementations • 15 Oct 2018 • Amal Lahiani, Jacob Gildenblat, Irina Klaman, Shadi Albarqouni, Nassir Navab, Eldad Klaiman
Histopathological evaluation of tissue samples is a key practice in patient diagnosis and drug development, especially in oncology.
no code implementations • 24 Oct 2018 • Jake Burton, David Frank, Madhi Saleh, Nassir Navab, Helen L. Bear
Lipreading is a difficult gesture classification task.
no code implementations • 25 Oct 2018 • Yida Wang, David Joseph Tan, Nassir Navab, Federico Tombari
We propose a method to reconstruct, complete and semantically label a 3D scene from a single input depth image.
no code implementations • 2 Nov 2018 • Ghazal Ghazaei, Iro Laina, Christian Rupprecht, Federico Tombari, Nassir Navab, Kianoush Nazarpour
Further, we reformulate the problem of robotic grasping by replacing conventional grasp rectangles with grasp belief maps, which hold more precise location information than a rectangle and account for the uncertainty inherent to the task.
no code implementations • 5 Nov 2018 • Rüdiger Göbl, Diana Mateus, Christoph Hennersperger, Maximilian Baust, Nassir Navab
By providing a novel paradigm for the acquisition and reconstruction of tracked freehand 3D ultrasound, this work presents the concept of Computational Sonography (CS) to model the directionality of ultrasound information.
2 code implementations • 24 Nov 2018 • Abhijit Guha Roy, Sailesh Conjeti, Nassir Navab, Christian Wachinger
Next to voxel-wise uncertainty, we introduce four metrics to quantify structure-wise uncertainty in segmentation for quality control.
no code implementations • ICCV 2019 • Fabian Manhardt, Diego Martin Arroyo, Christian Rupprecht, Benjamin Busam, Tolga Birdal, Nassir Navab, Federico Tombari
For each object instance we predict multiple pose and class outcomes to estimate the specific pose distribution generated by symmetries and repetitive textures.
no code implementations • 20 Dec 2018 • Leslie Casas, Attila Klimmek, Nassir Navab, Vasileios Belagiannis
The presence of noise is common in signal processing regardless the signal type.
no code implementations • 24 Dec 2018 • Anees Kazi, S. Arvind krishna, Shayan Shekarforoush, Karsten Kortuem, Shadi Albarqouni, Nassir Navab
A model capable of leveraging the individuality of each multi-modal data is required for better disease prediction.
no code implementations • 4 Jan 2019 • Tolga Birdal, Benjamin Busam, Nassir Navab, Slobodan Ilic, Peter Sturm
Based upon the idea of aligning the quadric gradients with the surface normals, our first formulation is exact and requires as low as four oriented points.
no code implementations • 14 Jan 2019 • Magdalini Paschali, Walter Simson, Abhijit Guha Roy, Muhammad Ferjad Naeem, Rüdiger Göbl, Christian Wachinger, Nassir Navab
Compared with traditional augmentation methods, and with images synthesized by Generative Adversarial Networks our method not only achieves state-of-the-art performance but also significantly improves the network's robustness.
2 code implementations • 4 Feb 2019 • Abhijit Guha Roy, Shayan Siddiqui, Sebastian Pölsterl, Nassir Navab, Christian Wachinger
This representation is passed on to the segmenter arm that uses this information to segment the new query image.
no code implementations • 4 Feb 2019 • Amelia Jiménez-Sánchez, Anees Kazi, Shadi Albarqouni, Chlodwig Kirchhoff, Peter Biberthaler, Nassir Navab, Sonja Kirchhoff, Diana Mateus
We demonstrate the feasibility of a fully automatic computer-aided diagnosis (CAD) tool, based on deep learning, that localizes and classifies proximal femur fractures on X-ray images according to the AO classification.
no code implementations • 4 Mar 2019 • Oliver Scheel, Naveen Shankar Nagaraja, Loren Schwarz, Nassir Navab, Federico Tombari
Lane change prediction of surrounding vehicles is a key building block of path planning.
1 code implementation • 6 Mar 2019 • Ahmed Ayyad, Yuchen Li, Nassir Navab, Shadi Albarqouni, Mohamed Elhoseiny
We develop a random walk semi-supervised loss that enables the network to learn representations that are compact and well-separated.
1 code implementation • 9 Mar 2019 • Laura Fink, Sing Chun Lee, Jie Ying Wu, Xingtong Liu, Tianyu Song, Yordanka Stoyanova, Marc Stamminger, Nassir Navab, Mathias Unberath
With the increasing computational power of today's workstations, real-time physically-based rendering is within reach, rapidly gaining attention across a variety of domains.
no code implementations • 11 Mar 2019 • Anees Kazi, Shayan shekarforoush, S. Arvind krishna, Hendrik Burwinkel, Gerome Vivar, Karsten Kortuem, Seyed-Ahmad Ahmadi, Shadi Albarqouni, Nassir Navab
Geometric deep learning provides a principled and versatile manner for the integration of imaging and non-imaging modalities in the medical domain.
no code implementations • 15 Mar 2019 • Mai Bui, Christoph Baur, Nassir Navab, Slobodan Ilic, Shadi Albarqouni
Despite recent advances on the topic of direct camera pose regression using neural networks, accurately estimating the camera pose of a single RGB image still remains a challenging task.
no code implementations • 5 Apr 2019 • Magdalini Paschali, Muhammad Ferjad Naeem, Walter Simson, Katja Steiger, Martin Mollenhauer, Nassir Navab
In this paper, we propose a novel interpretation method tailored to histological Whole Slide Image (WSI) processing.
no code implementations • 5 Apr 2019 • Magdalini Paschali, Stefano Gasperini, Abhijit Guha Roy, Michael Y. -S. Fang, Nassir Navab
Model architectures have been dramatically increasing in size, improving performance at the cost of resource requirements.
no code implementations • 9 Apr 2019 • Walter Simson, Rüdiger Göbl, Magdalini Paschali, Markus Krönke, Klemens Scheidhauer, Wolfgang Weber, Nassir Navab
The proposed method displays both promising image reconstruction quality and acquisition frequency when integrated for live ultrasound scanning.
no code implementations • 10 Apr 2019 • Beatrice Demiray, Julia Rackerseder, Stevica Bozhinoski, Nassir Navab
We implement label transfer from MRI to US, which is prone to a residual but inevitable registration error.
no code implementations • 17 Apr 2019 • Mhd Hasan Sarhan, Abouzar Eslami, Nassir Navab, Shadi Albarqouni
Learning Interpretable representation in medical applications is becoming essential for adopting data-driven models into clinical practice.
no code implementations • 17 Apr 2019 • Zhang Guo, Kevin Yu, Rebecca Pearlman, Nassir Navab, Roghayeh Barmaki
The analysis of the collaborative learning process is one of the growing fields of education research, which has many different analytic solutions.
no code implementations • 18 Apr 2019 • Julia Rackerseder, Rüdiger Göbl, Nassir Navab, Christoph Hennersperger
Trained on the dataset alone, we report a Dice and Jaccard coefficient of $0. 45 \pm 0. 09$ and $0. 30 \pm 0. 07$ respectively, as well as an average distance of $0. 78 \pm 0. 36~mm$.
no code implementations • 18 Apr 2019 • Mhd Hasan Sarhan, Shadi Albarqouni, Mehmet Yigitsoy, Nassir Navab, Abouzar Eslami
To enhance the discriminative power of the classification model, we incorporate triplet embedding loss with a selective sampling routine.
no code implementations • 8 May 2019 • Gerome Vivar, Hendrik Burwinkel, Anees Kazi, Andreas Zwergal, Nassir Navab, Seyed-Ahmad Ahmadi
Recently, several works proposed geometric deep learning approaches to solve disease classification, by modeling patients as nodes in a graph, along with graph signal processing of multi-modal features.
no code implementations • 8 May 2019 • Hendrik Burwinkel, Anees Kazi, Gerome Vivar, Shadi Albarqouni, Guillaume Zahnd, Nassir Navab, Seyed-Ahmad Ahmadi
We propose a new network architecture that exploits an inductive end-to-end learning approach for disease classification, where filters from both the CNN and the graph are trained jointly.
no code implementations • 9 May 2019 • Ashkan Khakzar, Shadi Albarqouni, Nassir Navab
In this work, we propose a method for improving the feature interpretability of neural network classifiers.
no code implementations • 16 May 2019 • Abhijit Guha Roy, Shayan Siddiqui, Sebastian Pölsterl, Nassir Navab, Christian Wachinger
A disadvantage of FL is the dependence on a central server, which requires all clients to agree on one trusted central body, and whose failure would disrupt the training process of all clients.
no code implementations • 3 Jun 2019 • Amal Lahiani, Nassir Navab, Shadi Albarqouni, Eldad Klaiman
Recent work has shown Generative Adversarial Networks(GANs) can be used to create realistic images of virtually stained slide images in digital pathology with clinically validated interpretability.
1 code implementation • MIDL 2019 • Roger D. Soberanis-Mukul, Nassir Navab, Shadi Albarqouni
In this context, we proposed a segmentation refinement method based on uncertainty analysis and graph convolutional networks.
2 code implementations • 11 Jun 2019 • Anne-Marie Rickmann, Abhijit Guha Roy, Ignacio Sarasua, Nassir Navab, Christian Wachinger
Fully Convolutional Neural Networks (F-CNNs) achieve state-of-the-art performance for image segmentation in medical imaging.
1 code implementation • 24 Jun 2019 • Mohammad Eslami, Solale Tabarestani, Shadi Albarqouni, Ehsan Adeli, Nassir Navab, Malek Adjouadi
Chest X-ray radiography is one of the earliest medical imaging technologies and remains one of the most widely-used for diagnosis, screening, and treatment follow up of diseases related to lungs and heart.
no code implementations • 22 Jul 2019 • Huseyin Coskun, Zeeshan Zia, Bugra Tekin, Federica Bogo, Nassir Navab, Federico Tombari, Harpreet Sawhney
The lack of large-scale real datasets with annotations makes transfer learning a necessity for video activity understanding.
no code implementations • 23 Jul 2019 • Javad Fotouhi, Tianyu Song, Arian Mehrfard, Giacomo Taylor, Qiaochu Wang, Fengfang Xian, Alejandro Martin-Gomez, Bernhard Fuerst, Mehran Armand, Mathias Unberath, Nassir Navab
To overcome this challenge, we introduce a novel registration concept for intuitive alignment of AR content to its physical counterpart by providing a multi-view AR experience via reflective-AR displays that simultaneously show the augmentations from multiple viewpoints.
no code implementations • 31 Jul 2019 • Leslie Casas, Attila Klimmek, Gustavo Carneiro, Nassir Navab, Vasileios Belagiannis
A solution to mitigate the small training set issue is to pre-train a denoising model with small training sets containing pairs of clean and synthesized noisy signals, produced from empirical noise priors, and fine-tune on the available small training set.
1 code implementation • ICCV 2019 • Janis Postels, Francesco Ferroni, Huseyin Coskun, Nassir Navab, Federico Tombari
We present a sampling-free approach for computing the epistemic uncertainty of a neural network.
no code implementations • 7 Aug 2019 • Ghazal Ghazaei, Federico Tombari, Nassir Navab, Kianoush Nazarpour
Prosthetic hands can help people with limb difference to return to their life routines.
1 code implementation • ICCV 2019 • Johanna Wald, Armen Avetisyan, Nassir Navab, Federico Tombari, Matthias Nießner
In this work, we introduce the task of 3D object instance re-localization (RIO): given one or multiple objects in an RGB-D scan, we want to estimate their corresponding 6DoF poses in another 3D scan of the same environment taken at a later point in time.
no code implementations • ICCV 2019 • Iro Laina, Christian Rupprecht, Nassir Navab
The core component of our approach is a shared latent space that is structured by visual concepts.
no code implementations • ICCV 2019 • Helisa Dhamo, Nassir Navab, Federico Tombari
Our approach aims at building up a Layered Depth Image (LDI) from a single RGB input, which is an efficient representation that arranges the scene in layers, including originally occluded regions.
no code implementations • ICCV 2019 • Yida Wang, David Joseph Tan, Nassir Navab, Federico Tombari
We propose a novel model for 3D semantic completion from a single depth image, based on a single encoder and three separate generators used to reconstruct different geometric and semantic representations of the original and completed scene, all sharing the same latent space.
Ranked #7 on 3D Semantic Scene Completion on NYUv2 (using extra training data)
no code implementations • 17 Sep 2019 • Abhijeet Parida, Arianne Tran, Nassir Navab, Shadi Albarqouni
Semantic segmentation is an import task in the medical field to identify the exact extent and orientation of significant structures like organs and pathology.
no code implementations • 17 Sep 2019 • Agnieszka Tomczack, Nassir Navab, Shadi Albarqouni
Deep Learning sets the state-of-the-art in many challenging tasks showing outstanding performance in a broad range of applications.
no code implementations • 19 Sep 2019 • Jan-Nico Zaech, Cong Gao, Bastian Bier, Russell Taylor, Andreas Maier, Nassir Navab, Mathias Unberath
Metal artifacts in computed tomography (CT) arise from a mismatch between physics of image formation and idealized assumptions during tomographic reconstruction.
no code implementations • 20 Oct 2019 • Tom Vercauteren, Mathias Unberath, Nicolas Padoy, Nassir Navab
Data-driven computational approaches have evolved to enable extraction of information from medical images with a reliability, accuracy and speed which is already transforming their interpretation and exploitation in clinical practice.
no code implementations • 18 Nov 2019 • Paolo Notaro, Magdalini Paschali, Carsten Hopke, David Wittmann, Nassir Navab
Radar pulse streams exhibit increasingly complex temporal patterns and can no longer rely on a purely value-based analysis of the pulse attributes for the purpose of emitter classification.
no code implementations • 18 Nov 2019 • Stefano Gasperini, Magdalini Paschali, Carsten Hopke, David Wittmann, Nassir Navab
Radar signals have been dramatically increasing in complexity, limiting the source separation ability of traditional approaches.
no code implementations • CVPR 2017 • Wadim Kehl, Federico Tombari, Slobodan Ilic, Nassir Navab
We present a novel method to track 3D models in color and depth data.
no code implementations • 25 Nov 2019 • Ashkan Khakzar, Soroosh Baselizadeh, Saurabh Khanduja, Christian Rupprecht, Seong Tae Kim, Nassir Navab
Attributing the output of a neural network to the contribution of given input elements is a way of shedding light on the black-box nature of neural networks.
no code implementations • 5 Dec 2019 • Arian Mehrfard, Javad Fotouhi, Giacomo Taylor, Tess Forster, Nassir Navab, Bernhard Fuerst
With recent advances of Virtual Reality (VR) technology, the deployment of such will dramatically increase in non-entertainment environments, such as professional education and training, manufacturing, service, or low frequency/high risk scenarios.
1 code implementation • 7 Feb 2020 • Maxime Kayser, Roger D. Soberanis-Mukul, Anna-Maria Zvereva, Peter Klare, Nassir Navab, Shadi Albarqouni
We then investigated different strategies, such as a learning without forgetting framework, to leverage artifact knowledge to improve automated polyp detection.
1 code implementation • 11 Feb 2020 • Anees Kazi, Luca Cosmo, Seyed-Ahmad Ahmadi, Nassir Navab, Michael Bronstein
We provide an extensive evaluation of applications from the domains of healthcare (disease prediction), brain imaging (age prediction), computer graphics (3D point cloud segmentation), and computer vision (zero-shot learning).
1 code implementation • 26 Feb 2020 • Maria Tirindelli, Maria Victorova, Javier Esteban, Seong Tae Kim, David Navarro-Alarcon, Yong Ping Zheng, Nassir Navab
Processed force and ultrasound data are fused using a 1D Convolutional Network to compute the location of the vertebral levels.
no code implementations • 3 Mar 2020 • Arian Mehrfard, Javad Fotouhi, Tess Forster, Giacomo Taylor, Danyal Fer, Deborah Nagle, Nassir Navab, Bernhard Fuerst
We trained 30 participants on how to set up a robotic arm in an environment mimicking clinical setup.
Robotics
no code implementations • 4 Mar 2020 • Javad Fotouhi, Arian Mehrfard, Tianyu Song, Alex Johnson, Greg Osgood, Mathias Unberath, Mehran Armand, Nassir Navab
Suboptimal interaction with patient data and challenges in mastering 3D anatomy based on ill-posed 2D interventional images are essential concerns in image-guided therapies.
no code implementations • 4 Mar 2020 • Javad Fotouhi, Giacomo Taylor, Mathias Unberath, Alex Johnson, Sing Chun Lee, Greg Osgood, Mehran Armand, Nassir Navab
We present a novel methodology to detect imperfect bilateral symmetry in CT of human anatomy.
no code implementations • 5 Mar 2020 • Javad Fotouhi, Xingtong Liu, Mehran Armand, Nassir Navab, Mathias Unberath
Stitching images acquired under perspective projective geometry is a relevant topic in computer vision with multiple applications ranging from smartphone panoramas to the construction of digital maps.
1 code implementation • ECCV 2020 • Mhd Hasan Sarhan, Nassir Navab, Abouzar Eslami, Shadi Albarqouni
We explicitly enforce the meaningful representation to be agnostic to sensitive information by entropy maximization.
no code implementations • 12 Mar 2020 • Fabian Manhardt, Gu Wang, Benjamin Busam, Manuel Nickel, Sven Meier, Luca Minciullo, Xiangyang Ji, Nassir Navab
Contemporary monocular 6D pose estimation methods can only cope with a handful of object instances.
1 code implementation • 20 Mar 2020 • Tariq Bdair, Benedikt Wiestler, Nassir Navab, Shadi Albarqouni
Medical image segmentation is one of the major challenges addressed by machine learning methods.
2 code implementations • 24 Mar 2020 • Tobias Czempiel, Magdalini Paschali, Matthias Keicher, Walter Simson, Hubertus Feussner, Seong Tae Kim, Nassir Navab
Automatic surgical phase recognition is a challenging and crucial task with the potential to improve patient safety and become an integral part of intra-operative decision-support systems.
Ranked #4 on Surgical phase recognition on Cholec80
no code implementations • 27 Mar 2020 • Luca Cosmo, Anees Kazi, Seyed-Ahmad Ahmadi, Nassir Navab, Michael Bronstein
Recently, Graph Convolutional Networks (GCNs) have proven to be a powerful machine learning tool for Computer-Aided Diagnosis (CADx) and disease prediction.
3 code implementations • 30 Mar 2020 • Hannes Hase, Mohammad Farid Azampour, Maria Tirindelli, Magdalini Paschali, Walter Simson, Emad Fatemizadeh, Nassir Navab
In this paper we introduce the first reinforcement learning (RL) based robotic navigation method which utilizes ultrasound (US) images as an input.
no code implementations • 31 Mar 2020 • Gerome Vivar, Kamilia Mullakaeva, Andreas Zwergal, Nassir Navab, Seyed-Ahmad Ahmadi
Computer-aided diagnosis (CADx) algorithms in medicine provide patient-specific decision support for physicians.
no code implementations • 1 Apr 2020 • Amelia Jiménez-Sánchez, Diana Mateus, Sonja Kirchhoff, Chlodwig Kirchhoff, Peter Biberthaler, Nassir Navab, Miguel A. González Ballester, Gemma Piella
Current deep-learning based methods do not easily integrate to clinical protocols, neither take full advantage of medical knowledge.
no code implementations • 5 Apr 2020 • Seong Tae Kim, Farrukh Mushtaq, Nassir Navab
Active learning is one of the solutions to this problem where an active learner is designed to indicate which samples need to be annotated to effectively train a target model.
1 code implementation • 7 Apr 2020 • Christoph Baur, Stefan Denner, Benedikt Wiestler, Shadi Albarqouni, Nassir Navab
Deep unsupervised representation learning has recently led to new approaches in the field of Unsupervised Anomaly Detection (UAD) in brain MRI.
1 code implementation • 7 Apr 2020 • Stefan Denner, Ashkan Khakzar, Moiz Sajid, Mahdi Saleh, Ziga Spiclin, Seong Tae Kim, Nassir Navab
Our results show that spatio-temporal information in longitudinal data is a beneficial cue for improving segmentation.
1 code implementation • CVPR 2020 • Helisa Dhamo, Azade Farshad, Iro Laina, Nassir Navab, Gregory D. Hager, Federico Tombari, Christian Rupprecht
In our work, we address the novel problem of image manipulation from scene graphs, in which a user can edit images by merely applying changes in the nodes or edges of a semantic graph that is generated from the image.
no code implementations • CVPR 2020 • Johanna Wald, Helisa Dhamo, Nassir Navab, Federico Tombari
In our work we focus on scene graphs, a data structure that organizes the entities of a scene in a graph, where objects are nodes and their relationships modeled as edges.
Ranked #3 on 3d scene graph generation on 3DSSG
2 code implementations • ECCV 2020 • Mai Bui, Tolga Birdal, Haowen Deng, Shadi Albarqouni, Leonidas Guibas, Slobodan Ilic, Nassir Navab
We present a multimodal camera relocalization framework that captures ambiguities and uncertainties with continuous mixture models defined on the manifold of camera poses.
1 code implementation • ECCV 2020 • Gu Wang, Fabian Manhardt, Jianzhun Shao, Xiangyang Ji, Nassir Navab, Federico Tombari
6D object pose estimation is a fundamental problem in computer vision.
no code implementations • 20 Apr 2020 • Masahiro Oda, Holger R. Roth, Takayuki Kitasaka, Kazuhiro Furukawa, Ryoji Miyahara, Yoshiki Hirooka, Nassir Navab, Kensaku MORI
We utilize the shape estimation network (SEN), which estimates deformed colon shape during colonoscope insertions.
no code implementations • 20 Apr 2020 • Masahiro Oda, Holger R. Roth, Takayuki Kitasaka, Kazuhiro Furukawa, Ryoji Miyahara, Yoshiki Hirooka, Hidemi Goto, Nassir Navab, Kensaku MORI
We propose a colon deformation estimation method using RNN and obtain the colonoscope shape from electromagnetic sensors during its insertion into the colon.
no code implementations • 24 Apr 2020 • Oliver Scheel, Loren Schwarz, Nassir Navab, Federico Tombari
In this work we propose a transfer learning framework, core of which is learning an explicit mapping between domains.
no code implementations • 2 May 2020 • Hendrik Burwinkel, Matthias Keicher, David Bani-Harouni, Tobias Zellner, Florian Eyer, Nassir Navab, Seyed-Ahmad Ahmadi
Due to the time-sensitive nature of these cases, doctors are required to propose a correct diagnosis and intervention within a minimal time frame.
no code implementations • 9 May 2020 • Hendrik Burwinkel, Holger Matz, Stefan Saur, Christoph Hauger, Ayse Mine Evren, Nino Hirnschall, Oliver Findl, Nassir Navab, Seyed-Ahmad Ahmadi
The cataract, a developing opacity of the human eye lens, constitutes the world's most frequent cause for blindness.
1 code implementation • 14 May 2020 • Gerome Vivar, Anees Kazi, Hendrik Burwinkel, Andreas Zwergal, Nassir Navab, Seyed-Ahmad Ahmadi
As a solution, we propose an end-to-end learning of imputation and disease prediction of incomplete medical datasets via Multigraph Geometric Matrix Completion (MGMC).
no code implementations • 21 May 2020 • Hong Joo Lee, Seong Tae Kim, Hakmin Lee, Nassir Navab, Yong Man Ro
Experimental results show that the proposed method could provide useful uncertainty information by Bayesian approximation with the efficient ensemble model generation and improve the predictive performance.
1 code implementation • 23 Jun 2020 • Christoph Baur, Benedikt Wiestler, Shadi Albarqouni, Nassir Navab
Brain pathologies can vary greatly in size and shape, ranging from few pixels (i. e. MS lesions) to large, space-occupying tumors.
no code implementations • 6 Jul 2020 • Mathias Unberath, Kevin Yu, Roghayeh Barmaki, Alex Johnson, Nassir Navab
Consequently, most MR applications that are centered around the user, such as virtual dressing rooms or learning of body movements, cannot be realized with HMDs.
no code implementations • 8 Jul 2020 • Daniil Pakhomov, Nassir Navab
To account for reduced accuracy of the discovered light-weight deep residual network and avoid adding any additional computational burden, we perform a differentiable search over dilation rates for residual units of our network.
no code implementations • 9 Jul 2020 • Daniil Pakhomov, Wei Shen, Nassir Navab
Surgical tool segmentation in endoscopic images is an important problem: it is a crucial step towards full instrument pose estimation and it is used for integration of pre- and intra-operative images into the endoscopic view.
1 code implementation • 22 Jul 2020 • Ario Sadafi, Asya Makhro, Anna Bogdanova, Nassir Navab, Tingying Peng, Shadi Albarqouni, Carsten Marr
In blood cell disorders, only a subset of all cells is morphologically altered and relevant for the diagnosis.
no code implementations • 31 Jul 2020 • Patrick Ruhkamp, Ruiqi Gong, Nassir Navab, Benjamin Busam
Feature based visual odometry and SLAM methods require accurate and fast correspondence matching between consecutive image frames for precise camera pose estimation in real-time.
1 code implementation • 31 Jul 2020 • Amelia Jiménez-Sánchez, Diana Mateus, Sonja Kirchhoff, Chlodwig Kirchhoff, Peter Biberthaler, Nassir Navab, Miguel A. González Ballester, Gemma Piella
In this paper, we propose a method for the automatic classification of proximal femur fractures into 3 and 7 AO classes based on a Convolutional Neural Network (CNN).
1 code implementation • 5 Aug 2020 • Yanyan Li, Nikolas Brasch, Yida Wang, Nassir Navab, Federico Tombari
In this paper a low-drift monocular SLAM method is proposed targeting indoor scenarios, where monocular SLAM often fails due to the lack of textured surfaces.
Robotics
no code implementations • 12 Aug 2020 • Abdelrahman Elskhawy, Aneta Lisowska, Matthias Keicher, Josep Henry, Paul Thomson, Nassir Navab
In this work, we evaluate FT and LwF for class incremental learning in multi-organ segmentation using the publicly available AAPM dataset.
no code implementations • 14 Aug 2020 • Mareike Thies, Jan-Nico Zäch, Cong Gao, Russell Taylor, Nassir Navab, Andreas Maier, Mathias Unberath
We propose to adjust the C-arm CBCT source trajectory during the scan to optimize reconstruction quality with respect to a certain task, i. e. verification of screw placement.
no code implementations • 17 Aug 2020 • Yousef Yeganeh, Azade Farshad, Nassir Navab, Shadi Albarqouni
Federated learning (FL) has been a promising approach in the field of medical imaging in recent years.
1 code implementation • ECCV 2020 • Yida Wang, David Joseph Tan, Nassir Navab, Federico Tombari
In this paper, we propose a method for 3D object completion and classification based on point clouds.
no code implementations • 15 Sep 2020 • Roger D. Soberanis-Mukul, Shadi Albarqouni, Nassir Navab
In inference, we use this classifier to analyze a second graph, generated from artifact and polyp predictions given by region proposal networks.
no code implementations • 26 Sep 2020 • Benjamin Busam, Hyun Jun Jung, Nassir Navab
We change this paradigm and reformulate the problem as an action decision process where an initial pose is updated in incremental discrete steps that sequentially move a virtual 3D rendering towards the correct solution.
1 code implementation • 15 Oct 2020 • Yanyan Li, Raza Yunus, Nikolas Brasch, Nassir Navab, Federico Tombari
This work proposes a RGB-D SLAM system specifically designed for structured environments and aimed at improved tracking and mapping accuracy by relying on geometric features that are extracted from the surrounding.
Robotics
1 code implementation • 18 Oct 2020 • Mahdi Saleh, Shervin Dehghani, Benjamin Busam, Nassir Navab, Federico Tombari
3D Point clouds are a rich source of information that enjoy growing popularity in the vision community.
2 code implementations • 26 Oct 2020 • Shun-Cheng Wu, Keisuke Tateno, Nassir Navab, Federico Tombari
We propose a framework that ameliorates this issue by performing scene reconstruction and semantic scene completion jointly in an incremental and real-time manner, based on an input sequence of depth maps.
no code implementations • 28 Oct 2020 • Stefano Gasperini, Mohammad-Ali Nikouei Mahani, Alvaro Marcos-Ramiro, Nassir Navab, Federico Tombari
Panoptic segmentation has recently unified semantic and instance segmentation, previously addressed separately, thus taking a step further towards creating more comprehensive and efficient perception systems.
no code implementations • 30 Oct 2020 • Lena Maier-Hein, Matthias Eisenmann, Duygu Sarikaya, Keno März, Toby Collins, Anand Malpani, Johannes Fallert, Hubertus Feussner, Stamatia Giannarou, Pietro Mascagni, Hirenkumar Nakawala, Adrian Park, Carla Pugh, Danail Stoyanov, Swaroop S. Vedula, Kevin Cleary, Gabor Fichtinger, Germain Forestier, Bernard Gibaud, Teodor Grantcharov, Makoto Hashizume, Doreen Heckmann-Nötzel, Hannes G. Kenngott, Ron Kikinis, Lars Mündermann, Nassir Navab, Sinan Onogur, Raphael Sznitman, Russell H. Taylor, Minu D. Tizabi, Martin Wagner, Gregory D. Hager, Thomas Neumuth, Nicolas Padoy, Justin Collins, Ines Gockel, Jan Goedeke, Daniel A. Hashimoto, Luc Joyeux, Kyle Lam, Daniel R. Leff, Amin Madani, Hani J. Marcus, Ozanan Meireles, Alexander Seitel, Dogu Teber, Frank Ückert, Beat P. Müller-Stich, Pierre Jannin, Stefanie Speidel
We further complement this technical perspective with (4) a review of currently available SDS products and the translational progress from academia and (5) a roadmap for faster clinical translation and exploitation of the full potential of SDS, based on an international multi-round Delphi process.
no code implementations • 10 Nov 2020 • Abinav Ravi Venkatakrishnan, Seong Tae Kim, Rami Eisawy, Franz Pfister, Nassir Navab
To address these issues, recently, unsupervised deep anomaly detection methods that train the model on large-sized normal scans and detect abnormal scans by calculating reconstruction error have been reported.
no code implementations • 14 Nov 2020 • Matthias Grimm, Javier Esteban, Mathias Unberath, Nassir Navab
First, a neural network is trained once to detect a set of anatomical landmarks on simulated X-rays.
no code implementations • 1 Dec 2020 • Ashkan Khakzar, Soroosh Baselizadeh, Nassir Navab
In this work, we empirically show that two approaches for handling the gradient information, namely positive aggregation, and positive propagation, break these methods.
1 code implementation • 6 Dec 2020 • Roger D. Soberanis-Mukul, Nassir Navab, Shadi Albarqouni
In this context, we proposed a segmentation refinement method based on uncertainty analysis and graph convolutional networks.
1 code implementation • 20 Dec 2020 • Haowen Deng, Mai Bui, Nassir Navab, Leonidas Guibas, Slobodan Ilic, Tolga Birdal
For the former we contributed our own dataset composed of five indoor scenes where it is unavoidable to capture images corresponding to views that are hard to uniquely identify.
no code implementations • 1 Jan 2021 • Azade Farshad, Samin Hamidi, Nassir Navab
Data clustering is a well-known unsupervised learning approach.
no code implementations • 1 Jan 2021 • Ashkan Khakzar, Soroosh Baselizadeh, Saurabh Khanduja, Christian Rupprecht, Seong Tae Kim, Nassir Navab
Is critical input information encoded in specific sparse paths within the network?
1 code implementation • 27 Feb 2021 • Mahsa Ghorbani, Anees Kazi, Mahdieh Soleymani Baghshah, Hamid R. Rabiee, Nassir Navab
This is accomplished by associating a graph-based neural network to each class, which is responsible for weighting the class samples and changing the importance of each sample for the classifier.
no code implementations • 5 Mar 2021 • Tobias Czempiel, Magdalini Paschali, Daniel Ostler, Seong Tae Kim, Benjamin Busam, Nassir Navab
In this paper we introduce OperA, a transformer-based model that accurately predicts surgical phases from long video sequences.
1 code implementation • 5 Mar 2021 • Tariq Bdair, Nassir Navab, Shadi Albarqouni
With few annotated data, FedPerl is on par with a state-of-the-art method in skin lesion classification in the standard setup while outperforming SSFLs and the baselines by 1. 8% and 15. 8%, respectively.
no code implementations • 10 Mar 2021 • Florian Kofler, Ivan Ezhov, Fabian Isensee, Fabian Balsiger, Christoph Berger, Maximilian Koerner, Beatrice Demiray, Julia Rackerseder, Johannes Paetzold, Hongwei Li, Suprosanna Shit, Richard McKinley, Marie Piraud, Spyridon Bakas, Claus Zimmer, Nassir Navab, Jan Kirschke, Benedikt Wiestler, Bjoern Menze
It is often unclear how to optimize abstract metrics, such as human expert perception, in convolutional neural network (CNN) training.