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Head orientation is a challenging Computer Vision problem that has been extensively researched having a wide variety of applications. However, current state-of-the-art systems still underperform in the presence of occlusions and are…

Computer Vision and Pattern Recognition · Computer Science 2023-11-13 José Celestino , Manuel Marques , Jacinto C. Nascimento , João Paulo Costeira

Occlusions are a significant challenge to human pose estimation algorithms, often resulting in inaccurate and anatomically implausible poses. Although current occlusion-robust human pose estimation algorithms exhibit impressive performance…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Arindam Dutta , Sarosij Bose , Saketh Bachu , Calvin-Khang Ta , Konstantinos Karydis , Amit K. Roy-Chowdhury

3D scene flow estimation is a vital tool in perceiving our environment given depth or range sensors. Unlike optical flow, the data is usually sparse and in most cases partially occluded in between two temporal samplings. Here we propose a…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Bojun Ouyang , Dan Raviv

3D semantic occupancy prediction offers an intuitive and efficient scene understanding and has attracted significant interest in autonomous driving perception. Existing approaches either rely on full supervision, which demands costly…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Naiyu Fang , Zheyuan Zhou , Fayao Liu , Xulei Yang , Jiacheng Wei , Lemiao Qiu , Hongsheng Li , Guosheng Lin

The capability to accurately estimate 3D human poses is crucial for diverse fields such as action recognition, gait recognition, and virtual/augmented reality. However, a persistent and significant challenge within this field is the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Rohit Lal , Saketh Bachu , Yash Garg , Arindam Dutta , Calvin-Khang Ta , Dripta S. Raychaudhuri , Hannah Dela Cruz , M. Salman Asif , Amit K. Roy-Chowdhury

Severe occlusions of objects pose a major challenge for computer vision. We show that two root causes are (1) the loss of visible information and (2) the distracting patterns caused by the occluders. Our approach addresses both causes at…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Kay Gijzen , Gertjan J. Burghouts , Daniël M. Pelt

Compositing human figures into scene images has broad applications in areas such as entertainment and advertising. However, existing methods often cannot handle occlusion of the inserted person by foreground objects and unnaturally place…

Graphics · Computer Science 2025-05-08 Shun Masuda , Yuki Endo , Yoshihiro Kanamori

Recovering the occlusion relationships between objects is a fundamental human visual ability which yields important information about the 3D world. In this paper we propose a deep network architecture, called DOC, which acts on a single…

Computer Vision and Pattern Recognition · Computer Science 2016-07-26 Peng Wang , Alan Yuille

Recognizing the expressions of partially occluded faces is a challenging computer vision problem. Previous expression recognition methods, either overlooked this issue or resolved it using extreme assumptions. Motivated by the fact that the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-14 Hui Ding , Peng Zhou , Rama Chellappa

The standard approach to image instance segmentation is to perform the object detection first, and then segment the object from the detection bounding-box. More recently, deep learning methods like Mask R-CNN perform them jointly. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Song-Hai Zhang , Ruilong Li , Xin Dong , Paul L. Rosin , Zixi Cai , Xi Han , Dingcheng Yang , Hao-Zhi Huang , Shi-Min Hu

Recurrent feedback connections in the mammalian visual system have been hypothesized to play a role in synthesizing input in the theoretical framework of analysis by synthesis. The comparison of internally synthesized representation with…

Computer Vision and Pattern Recognition · Computer Science 2017-05-23 Hao Wang , Xingyu Lin , Yimeng Zhang , Tai Sing Lee

3D scene understanding plays a vital role in vision-based autonomous driving. While most existing methods focus on 3D object detection, they have difficulty describing real-world objects of arbitrary shapes and infinite classes. Towards a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Yi Wei , Linqing Zhao , Wenzhao Zheng , Zheng Zhu , Jie Zhou , Jiwen Lu

6D Object pose estimation is a fundamental component in robotics enabling efficient interaction with the environment. It is particularly challenging in bin-picking applications, where objects may be textureless and in difficult poses, and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Alan Li , Angela P. Schoellig

Pose estimation is usually tackled as either a bin classification or a regression problem. In both cases, the idea is to directly predict the pose of an object. This is a non-trivial task due to appearance variations between similar poses…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Georgios Kouros , Shubham Shrivastava , Cédric Picron , Sushruth Nagesh , Punarjay Chakravarty , Tinne Tuytelaars

Relying on in-domain annotations and precise sensor-rig priors, existing 3D occupancy prediction methods are limited in both scalability and out-of-domain generalization. While recent visual geometry foundation models exhibit strong…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Anh-Quan Cao , Tuan-Hung Vu

3D animation aims to generate a 3D animated video from an input image and a target 3D motion sequence. Recent advances in image-to-3D models enable the creation of animations directly from user-hand drawings. Distinguished from conventional…

Graphics · Computer Science 2025-08-04 Sunjae Yoon , Gwanhyeong Koo , Younghwan Lee , Ji Woo Hong , Chang D. Yoo

Face recognition remains a challenging task in unconstrained scenarios, especially when faces are partially occluded. To improve the robustness against occlusion, augmenting the training images with artificial occlusions has been proved as…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Mingjie He , Jie Zhang , Shiguang Shan , Xiao Liu , Zhongqin Wu , Xilin Chen

Image composition is a complex task which requires a lot of information about the scene for an accurate and realistic composition, such as perspective, lighting, shadows, occlusions, and object interactions. Previous methods have…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Amr Ghoneim , Jiju Poovvancheri , Yasushi Akiyama , Dong Chen

Occlusion removal is an interesting application of image enhancement, for which, existing work suggests manually-annotated or domain-specific occlusion removal. No work tries to address automatic occlusion detection and removal as a…

Computer Vision and Pattern Recognition · Computer Science 2019-05-08 Kumara Kahatapitiya , Dumindu Tissera , Ranga Rodrigo

In this paper, we address a key limitation of existing 2D face recognition methods: robustness to occlusions. To accomplish this task, we systematically analyzed the impact of facial attributes on the performance of a state-of-the-art face…

Computer Vision and Pattern Recognition · Computer Science 2020-06-15 Xiang Xu , Nikolaos Sarafianos , Ioannis A. Kakadiaris
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