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There has recently been great progress in automatic segmentation of medical images with deep learning algorithms. In most works observer variation is acknowledged to be a problem as it makes training data heterogeneous but so far no…

Computer Vision and Pattern Recognition · Computer Science 2020-01-24 Arkadiy Dushatskiy , Adriënne M. Mendrik , Peter A. N. Bosman , Tanja Alderliesten

Human pose estimation is a fundamental and challenging task in computer vision. Larger-scale and more accurate keypoint annotations, while helpful for improving the accuracy of supervised pose estimation, are often expensive and difficult…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Kexin Meng , Ruirui Li , Daguang Jiang

Real-time occlusion handling is a major problem in outdoor mixed reality system because it requires great computational cost mainly due to the complexity of the scene. Using only segmentation, it is difficult to accurately render a virtual…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Menandro Roxas , Tomoki Hori , Taiki Fukiage , Yasuhide Okamoto , Takeshi Oishi

The unsupervised segmentation is an increasingly popular topic in biomedical image analysis. The basic idea is to approach the supervised segmentation task as an unsupervised synthesis problem, where the intensity images can be transferred…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Quan Liu , Isabella M. Gaeta , Bryan A. Millis , Matthew J. Tyska , Yuankai Huo

Human video instance segmentation plays an important role in computer understanding of human activities and is widely used in video processing, video surveillance, and human modeling in virtual reality. Most current VIS methods are based on…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Lu Cheng , Mingbo Zhao

Current state-of-the-art methods cast monocular 3D human pose estimation as a learning problem by training neural networks on large data sets of images and corresponding skeleton poses. In contrast, we propose an approach that can exploit…

Computer Vision and Pattern Recognition · Computer Science 2020-10-14 Simon Jenni , Paolo Favaro

Reliable markerless motion tracking of people participating in a complex group activity from multiple moving cameras is challenging due to frequent occlusions, strong viewpoint and appearance variations, and asynchronous video streams. To…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Minh Vo , Ersin Yumer , Kalyan Sunkavalli , Sunil Hadap , Yaser Sheikh , Srinivasa Narasimhan

Instance-level human parsing towards real-world human analysis scenarios is still under-explored due to the absence of sufficient data resources and technical difficulty in parsing multiple instances in a single pass. Several related works…

Computer Vision and Pattern Recognition · Computer Science 2018-08-02 Ke Gong , Xiaodan Liang , Yicheng Li , Yimin Chen , Ming Yang , Liang Lin

Perceiving the complete shape of occluded objects is essential for human and machine intelligence. While the amodal segmentation task is to predict the complete mask of partially occluded objects, it is time-consuming and labor-intensive to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Zhaochen Liu , Zhixuan Li , Tingting Jiang

Can our video understanding systems perceive objects when a heavy occlusion exists in a scene? To answer this question, we collect a large-scale dataset called OVIS for occluded video instance segmentation, that is, to simultaneously…

Computer Vision and Pattern Recognition · Computer Science 2022-05-18 Jiyang Qi , Yan Gao , Yao Hu , Xinggang Wang , Xiaoyu Liu , Xiang Bai , Serge Belongie , Alan Yuille , Philip H. S. Torr , Song Bai

We address the problem of discovering part segmentations of articulated objects without supervision. In contrast to keypoints, part segmentations provide information about part localizations on the level of individual pixels. Capturing both…

Computer Vision and Pattern Recognition · Computer Science 2020-09-11 Sandro Braun , Patrick Esser , Björn Ommer

While many individual tasks in the domain of human analysis have recently received an accuracy boost from deep learning approaches, multi-task learning has mostly been ignored due to a lack of data. New synthetic datasets are being…

Computer Vision and Pattern Recognition · Computer Science 2019-05-09 Daniel Sánchez , Marc Oliu , Meysam Madadi , Xavier Baró , Sergio Escalera

Although deep learning methods have achieved advanced video object recognition performance in recent years, perceiving heavily occluded objects in a video is still a very challenging task. To promote the development of occlusion…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Jiyang Qi , Yan Gao , Yao Hu , Xinggang Wang , Xiaoyu Liu , Xiang Bai , Serge Belongie , Alan Yuille , Philip H. S. Torr , Song Bai

Multi-view person association is a fundamental step towards multi-view analysis of human activities. Although the person re-identification features have been proven effective, they become unreliable in challenging scenes where persons share…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Keqi Chen , Vinkle Srivastav , Didier Mutter , Nicolas Padoy

A key objective in multi-view learning is to model the information common to multiple parallel views of a class of objects/events to improve downstream learning tasks. In this context, two open research questions remain: How can we model…

Machine Learning · Computer Science 2021-09-15 Krishna Somandepalli , Shrikanth Narayanan

3D part segmentation is still an open problem in the field of 3D vision and AR/VR. Due to limited 3D labeled data, traditional supervised segmentation methods fall short in generalizing to unseen shapes and categories. Recently, the…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 Keito Suzuki , Bang Du , Girish Krishnan , Kunyao Chen , Runfa Blark Li , Truong Nguyen

Human performance capture is a highly important computer vision problem with many applications in movie production and virtual/augmented reality. Many previous performance capture approaches either required expensive multi-view setups or…

Computer Vision and Pattern Recognition · Computer Science 2020-03-19 Marc Habermann , Weipeng Xu , Michael Zollhoefer , Gerard Pons-Moll , Christian Theobalt

Weakly supervised instance segmentation has gained popularity because it reduces high annotation cost of pixel-level masks required for model training. Recent approaches for weakly supervised instance segmentation detect and segment objects…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Jun Ikeda , Junichiro Mori

Appearance based person re-identification in a real-world video surveillance system with non-overlapping camera views is a challenging problem for many reasons. Current state-of-the-art methods often address the problem by relying on…

Computer Vision and Pattern Recognition · Computer Science 2016-07-21 Furqan M. Khan , Francois Bremond

Face segmentation is the task of densely labeling pixels on the face according to their semantics. While current methods place an emphasis on developing sophisticated architectures, use conditional random fields for smoothness, or rather…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Iacopo Masi , Joe Mathai , Wael AbdAlmageed