no code implementations • 11 Sep 2024 • Alexander Baumann, Leonardo Ayala, Alexander Studier-Fischer, Jan Sellner, Berkin Özdemir, Karl-Friedrich Kowalewski, Slobodan Ilic, Silvia Seidlitz, Lena Maier-Hein
Hyperspectral imaging (HSI) is emerging as a promising novel imaging modality with various potential surgical applications.
no code implementations • 19 Jun 2024 • Shishir Reddy Vutukur, Heike Brock, Benjamin Busam, Tolga Birdal, Andreas Hutter, Slobodan Ilic
During inference, CNN is used to predict view-invariant features which can be used to establish correspondences with the implicit 3d model in NeRF.
no code implementations • CVPR 2024 • Junwen Huang, Hao Yu, Kuan-Ting Yu, Nassir Navab, Slobodan Ilic, Benjamin Busam
MatchU is a generic approach that fuses 2D texture and 3D geometric cues for 6D pose prediction of unseen objects.
1 code implementation • 25 Jul 2023 • Zheng Qin, Hao Yu, Changjian Wang, Yulan Guo, Yuxing Peng, Slobodan Ilic, Dewen Hu, Kai Xu
They seek correspondences over downsampled superpoints, which are then propagated to dense points.
1 code implementation • CVPR 2023 • HyunJun Jung, Patrick Ruhkamp, Guangyao Zhai, Nikolas Brasch, Yitong Li, Yannick Verdie, Jifei Song, Yiren Zhou, Anil Armagan, Slobodan Ilic, Ales Leonardis, Nassir Navab, Benjamin Busam
Learning-based methods to solve dense 3D vision problems typically train on 3D sensor data.
1 code implementation • CVPR 2023 • Hao Yu, Zheng Qin, Ji Hou, Mahdi Saleh, Dongsheng Li, Benjamin Busam, Slobodan Ilic
To this end, we introduce RoITr, a Rotation-Invariant Transformer to cope with the pose variations in the point cloud matching task.
no code implementations • 12 Oct 2022 • Agnieszka Tomczak, Aarushi Gupta, Slobodan Ilic, Nassir Navab, Shadi Albarqouni
The purpose of this work is to investigate the hypothesis that we can predict image quality based on its latent representation in the GANs bottleneck.
1 code implementation • 27 Sep 2022 • Hao Yu, Ji Hou, Zheng Qin, Mahdi Saleh, Ivan Shugurov, Kai Wang, Benjamin Busam, Slobodan Ilic
More specifically, 3D structures of the whole frame are first represented by our global PPF signatures, from which structural descriptors are learned to help geometric descriptors sense the 3D world beyond local regions.
no code implementations • 6 Jul 2022 • Ivan Shugurov, Ivan Pavlov, Sergey Zakharov, Slobodan Ilic
This paper introduces a novel multi-view 6 DoF object pose refinement approach focusing on improving methods trained on synthetic data.
no code implementations • 6 Jul 2022 • Ivan Shugurov, Sergey Zakharov, Slobodan Ilic
The main conclusions is that RGB excels in correspondence estimation, while depth contributes to the pose accuracy if good 3D-3D correspondences are available.
no code implementations • 9 May 2022 • HyunJun Jung, Patrick Ruhkamp, Guangyao Zhai, Nikolas Brasch, Yitong Li, Yannick Verdie, Jifei Song, Yiren Zhou, Anil Armagan, Slobodan Ilic, Ales Leonardis, Benjamin Busam
Depth estimation is a core task in 3D computer vision.
no code implementations • CVPR 2022 • Ivan Shugurov, Fu Li, Benjamin Busam, Slobodan Ilic
We present a novel one-shot method for object detection and 6 DoF pose estimation, that does not require training on target objects.
no code implementations • 9 Mar 2022 • Fu Li, Hao Yu, Ivan Shugurov, Benjamin Busam, Shaowu Yang, Slobodan Ilic
Pose estimation of 3D objects in monocular images is a fundamental and long-standing problem in computer vision.
1 code implementation • NeurIPS 2021 • Hao Yu, Fu Li, Mahdi Saleh, Benjamin Busam, Slobodan Ilic
We study the problem of extracting correspondences between a pair of point clouds for registration.
no code implementations • 9 Aug 2021 • Yehya Abouelnaga, Mai Bui, Slobodan Ilic
A siamese convolutional neural network regresses the relative pose from the nearest neighboring database image to the query image.
1 code implementation • NeurIPS 2021 • Hao Yu, Fu Li, Mahdi Saleh, Benjamin Busam, Slobodan Ilic
We study the problem of extracting correspondences between a pair of point clouds for registration.
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 • 8 Oct 2020 • Giorgia Pitteri, Aurélie Bugeau, Slobodan Ilic, Vincent Lepetit
We demonstrate the performance of this approach on the T-LESS dataset, by using a small number of objects to learn the embedding and testing it on the other objects.
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.
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 • 29 Aug 2019 • Giorgia Pitteri, Slobodan Ilic, Vincent Lepetit
We first learn to detect object corners of various shapes in images and also to predict their 3D poses, by using training images of a small set of objects.
no code implementations • 20 Aug 2019 • Giorgia Pitteri, Michaël Ramamonjisoa, Slobodan Ilic, Vincent Lepetit
Objects with symmetries are common in our daily life and in industrial contexts, but are often ignored in the recent literature on 6D pose estimation from images.
no code implementations • 9 Apr 2019 • Sergey Zakharov, Wadim Kehl, Benjamin Planche, Andreas Hutter, Slobodan Ilic
In this paper, we address the problem of 3D object instance recognition and pose estimation of localized objects in cluttered environments using convolutional neural networks.
no code implementations • CVPR 2019 • Haowen Deng, Tolga Birdal, Slobodan Ilic
Our extensive quantitative and qualitative experiments suggests that our approach outperforms the state of the art in challenging real datasets of pairwise registration and that augmenting the keypoints with local pose information leads to better generalization and a dramatic speed-up.
no code implementations • 5 Apr 2019 • Roman Kaskman, Sergey Zakharov, Ivan Shugurov, Slobodan Ilic
We also present a set of benchmarks to test various desired detector properties, particularly focusing on scalability with respect to the number of objects and resistance to changing light conditions, occlusions and clutter.
no code implementations • ICCV 2019 • Sergey Zakharov, Wadim Kehl, Slobodan Ilic
We present a novel approach to tackle domain adaptation between synthetic and real data.
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.
2 code implementations • ICCV 2019 • Sergey Zakharov, Ivan Shugurov, Slobodan Ilic
An additional RGB pose refinement of the initial pose estimates is performed using a custom deep learning-based refinement scheme.
Ranked #8 on
6D Pose Estimation using RGB
on LineMOD
1 code implementation • 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 • 9 Oct 2018 • Benjamin Planche, Sergey Zakharov, Ziyan Wu, Andreas Hutter, Harald Kosch, Slobodan Ilic
Applying our approach to object recognition from texture-less CAD data, we present a custom generative network which fully utilizes the purely geometrical information to learn robust features and achieve a more refined mapping for unseen color images.
no code implementations • 3D Vision 2018 2018 • Adrian Haarbach, Tolga Birdal, Slobodan Ilic
In this survey we carefully analyze the characteristics of higher order rigid body motion interpolation methods to obtain a continuous trajectory from a discrete set of poses.
2 code implementations • ECCV 2018 • Haowen Deng, Tolga Birdal, Slobodan Ilic
We present PPF-FoldNet for unsupervised learning of 3D local descriptors on pure point cloud geometry.
Ranked #12 on
Point Cloud Registration
on 3DMatch Benchmark
no code implementations • CVPR 2018 • Miroslava Slavcheva, Maximilian Baust, Slobodan Ilic
We present a system that builds 3D models of non-rigidly moving surfaces from scratch in real time using a single RGB-D stream.
no code implementations • NeurIPS 2018 • Tolga Birdal, Umut Şimşekli, M. Onur Eken, Slobodan Ilic
We introduce Tempered Geodesic Markov Chain Monte Carlo (TG-MCMC) algorithm for initializing pose graph optimization problems, arising in various scenarios such as SFM (structure from motion) or SLAM (simultaneous localization and mapping).
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.
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 • 24 Apr 2018 • Sergey Zakharov, Benjamin Planche, Ziyan Wu, Andreas Hutter, Harald Kosch, Slobodan Ilic
With the increasing availability of large databases of 3D CAD models, depth-based recognition methods can be trained on an uncountable number of synthetically rendered images.
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.
1 code implementation • CVPR 2018 • Haowen Deng, Tolga Birdal, Slobodan Ilic
We present PPFNet - Point Pair Feature NETwork for deeply learning a globally informed 3D local feature descriptor to find correspondences in unorganized point clouds.
Ranked #14 on
Point Cloud Registration
on 3DMatch Benchmark
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 • CVPR 2017 • Miroslava Slavcheva, Maximilian Baust, Daniel Cremers, Slobodan Ilic
We introduce a geometry-driven approach for real-time 3D reconstruction of deforming surfaces from a single RGB-D stream without any templates or shape priors.
no code implementations • ICCV 2017 • Tolga Birdal, Slobodan Ilic
With aid of this prior acting as a proxy, we propose a fully enhanced pipeline, capable of automatically detecting and segmenting the object of interest from scenes and creating a pose graph, online, with linear complexity.
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 • 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 • 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 • 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 • 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.
no code implementations • 1 May 2016 • Hirokatsu Kataoka, Masaki Hayashi, Kenji Iwata, Yutaka Satoh, Yoshimitsu Aoki, Slobodan Ilic
Latent Dirichlet allocation (LDA) is used to develop approximations of human motion primitives; these are mid-level representations, and they adaptively integrate dominant vectors when classifying human activities.
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 • 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 • 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
no code implementations • CVPR 2014 • David J. Tan, Slobodan Ilic
Moreover, it demonstrates robustness to strong illumination changes when tracking templates using intensity images, and robustness in tracking 3D objects from arbitrary viewpoints even in the presence of motion blur that causes missing or erroneous data in depth images.
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.