no code implementations • 26 Dec 2024 • Ahmed Alhawwary, Phong Nguyen-Ha, Janne Mustaniemi, Janne Heikkilä
Portraits or selfie images taken from a close distance typically suffer from perspective distortion.
no code implementations • 15 Mar 2024 • Dingding Cai, Janne Heikkilä, Esa Rahtu
At inference, GS-Pose operates sequentially by locating the object in the input image, estimating its initial 6D pose using a retrieval approach, and refining the pose with a render-and-compare method.
1 code implementation • 11 Mar 2024 • Niklas Vaara, Pekka Sangi, Miguel Bordallo López, Janne Heikkilä
It is observed that the proposed method is capable of adapting to noise and finds similar paths compared to the baseline path trajectories with noisy point clouds.
1 code implementation • 21 Feb 2024 • Niklas Vaara, Pekka Sangi, Miguel Bordallo López, Janne Heikkilä
Ray tracing is a deterministic method that produces propagation paths between a transmitter and a receiver.
no code implementations • 11 Jul 2023 • Shuzhou Sun, Shuaifeng Zhi, Qing Liao, Janne Heikkilä, Li Liu
To remedy this, we propose Two-stage Causal Modeling (TsCM) for the SGG task, which takes the long-tailed distribution and semantic confusion as confounders to the Structural Causal Model (SCM) and then decouples the causal intervention into two stages.
no code implementations • CVPR 2023 • Mayu Otani, Riku Togashi, Yu Sawai, Ryosuke Ishigami, Yuta Nakashima, Esa Rahtu, Janne Heikkilä, Shin'ichi Satoh
Human evaluation is critical for validating the performance of text-to-image generative models, as this highly cognitive process requires deep comprehension of text and images.
no code implementations • 14 Feb 2023 • Dingding Cai, Janne Heikkilä, Esa Rahtu
Though massive amounts of synthetic RGB images are easy to obtain, the models trained on them suffer from noticeable performance degradation due to the synthetic-to-real domain gap.
no code implementations • 16 Jan 2023 • Snehal Bhayani, Janne Heikkilä, Zuzana Kukelova
Most state-of-the-art efficient polynomial solvers are based on the action matrix method that has been automated and highly optimized in recent years.
no code implementations • 3 Jan 2023 • Janne Mustaniemi, Juho Kannala, Esa Rahtu, Li Liu, Janne Heikkilä
Various datasets have been proposed for simultaneous localization and mapping (SLAM) and related problems.
1 code implementation • 3 Aug 2022 • Dingding Cai, Janne Heikkilä, Esa Rahtu
The pose estimation is decomposed into three sub-tasks: a) object 3D rotation representation learning and matching; b) estimation of the 2D location of the object center; and c) scale-invariant distance estimation (the translation along the z-axis) via classification.
1 code implementation • CVPR 2022 • Mayu Otani, Riku Togashi, Yuta Nakashima, Esa Rahtu, Janne Heikkilä, Shin'ichi Satoh
OC-cost computes the cost of correcting detections to ground truths as a measure of accuracy.
1 code implementation • CVPR 2022 • Dingding Cai, Janne Heikkilä, Esa Rahtu
This paper proposes a universal framework, called OVE6D, for model-based 6D object pose estimation from a single depth image and a target object mask.
1 code implementation • 1 Sep 2020 • Mayu Otani, Yuta Nakashima, Esa Rahtu, Janne Heikkilä
In this paper, we present a series of experiments assessing how well the benchmark results reflect the true progress in solving the moment retrieval task.
no code implementations • 17 Jul 2020 • Snehal Bhayani, Zuzana Kukelova, Janne Heikkilä
The existing state-of-the-art methods for solving such systems are either based on Gr\"obner bases and the action matrix method, which have been extensively studied and optimized in the recent years or recently proposed approach based on a sparse resultant computation using an extra variable.
no code implementations • 18 Jun 2020 • Matteo Pedone, Abdelrahman Mostafa, Janne Heikkilä
We present a method to reconstruct a dense spatio-temporal depth map of a non-rigidly deformable object directly from a video sequence.
1 code implementation • CVPR 2020 • Snehal Bhayani, Zuzana Kukelova, Janne Heikkilä
Our new method can be fully automatized and incorporated into existing tools for automatic generation of efficient polynomial solvers and as such it represents a competitive alternative to popular Gr\"obner basis methods for minimal problems in computer vision.
1 code implementation • 25 Nov 2019 • Nadir Bengana, Janne Heikkilä
We applied a well-performing domain adaptation approach on datasets we have built using RGB images from Sentinel-2, WorldView-2, and Pleiades-1 satellites with Corine Land Cover as ground-truth labels.
2 code implementations • CVPR 2019 • Mayu Otani, Yuta Nakashima, Esa Rahtu, Janne Heikkilä
Video summarization is a technique to create a short skim of the original video while preserving the main stories/content.
1 code implementation • 20 Feb 2019 • Sercan Türkmen, Janne Heikkilä
Assigning a label to each pixel in an image, namely semantic segmentation, has been an important task in computer vision, and has applications in autonomous driving, robotic navigation, localization, and scene understanding.
no code implementations • 23 Nov 2018 • Janne Mustaniemi, Juho Kannala, Jiri Matas, Simo Särkkä, Janne Heikkilä
The paper addresses the problem of acquiring high-quality photographs with handheld smartphone cameras in low-light imaging conditions.
1 code implementation • 1 Oct 2018 • Janne Mustaniemi, Juho Kannala, Simo Särkkä, Jiri Matas, Janne Heikkilä
We propose a deblurring method that incorporates gyroscope measurements into a convolutional neural network (CNN).
no code implementations • 31 Jul 2018 • Saad Ullah Akram, Talha Qaiser, Simon Graham, Juho Kannala, Janne Heikkilä, Nasir Rajpoot
In this paper, we present a semi-supervised mitosis detection method which is designed to leverage a large number of unlabeled breast cancer WSIs.
no code implementations • 22 May 2018 • Janne Mustaniemi, Juho Kannala, Simo Särkkä, Jiri Matas, Janne Heikkilä
It is well-known that motion blur decreases the performance of traditional feature detectors and descriptors.
no code implementations • 24 Apr 2018 • Markus Ylimäki, Juho Kannala, Janne Heikkilä
Then, the original depth maps are re-registered to the fused point cloud to refine the original camera extrinsic parameters.
1 code implementation • 9 May 2017 • Saad Ullah Akram, Juho Kannala, Lauri Eklund, Janne Heikkilä
Microscopy imaging plays a vital role in understanding many biological processes in development and disease.
1 code implementation • 29 Nov 2016 • Janne Mustaniemi, Juho Kannala, Simo Särkkä, Jiri Matas, Janne Heikkilä
In the process, we also perform a temporal and spatial alignment of the camera and the IMU.
2 code implementations • 28 Sep 2016 • Mayu Otani, Yuta Nakashima, Esa Rahtu, Janne Heikkilä, Naokazu Yokoya
For this, we design a deep neural network that maps videos as well as descriptions to a common semantic space and jointly trained it with associated pairs of videos and descriptions.
no code implementations • 8 Aug 2016 • Mayu Otani, Yuta Nakashima, Esa Rahtu, Janne Heikkilä, Naokazu Yokoya
In description generation, the performance level is comparable to the current state-of-the-art, although our embeddings were trained for the retrieval tasks.