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We address the challenges in estimating 3D human poses from multiple views under occlusion and with limited overlapping views. We approach multi-view, single-person 3D human pose reconstruction as a regression problem and propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Olivier Moliner , Sangxia Huang , Kalle Åström

The performance of modern object detectors drops when the test distribution differs from the training one. Most of the methods that address this focus on object appearance changes caused by, e.g., different illumination conditions, or gaps…

Computer Vision and Pattern Recognition · Computer Science 2023-01-16 Vidit Vidit , Martin Engilberge , Mathieu Salzmann

Absolute camera pose regressors estimate the position and orientation of a camera from the captured image alone. Typically, a convolutional backbone with a multi-layer perceptron head is trained with images and pose labels to embed a single…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Yoli Shavit , Ron Ferens , Yosi Keller

Pedestrian detection in images is a topic that has been studied extensively, but existing detectors designed for perspective images do not perform as successfully on images taken with top-view fisheye cameras, mainly due to the orientation…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Sheng-Ho Chiang , Tsaipei Wang , Yi-Fu Chen

We introduce the concept of a Visual Compiler that generates a scene specific pedestrian detector and pose estimator without any pedestrian observations. Given a single image and auxiliary scene information in the form of camera parameters…

Computer Vision and Pattern Recognition · Computer Science 2016-12-16 Namhoon Lee , Xinshuo Weng , Vishnu Naresh Boddeti , Yu Zhang , Fares Beainy , Kris Kitani , Takeo Kanade

Occlusion-free video generation is challenging due to surgeons' obstructions in the camera field of view. Prior work has addressed this issue by installing multiple cameras on a surgical light, hoping some cameras will observe the surgical…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Yuna Kato , Mariko Isogawa , Shohei Mori , Hideo Saito , Hiroki Kajita , Yoshifumi Takatsume

Pedestrian detection methods have been significantly improved with the development of deep convolutional neural networks. Nevertheless, robustly detecting pedestrians with a large variant on sizes and with occlusions remains a challenging…

Computer Vision and Pattern Recognition · Computer Science 2020-05-20 Tianrui Liu , Jun-Jie Huang , Tianhong Dai , Guangyu Ren , Tania Stathaki

A large number of different feature detectors has been proposed so far. Any existing approach presents strengths and weaknesses, which make a detector optimal only for a limited range of applications. A tool capable of selecting the optimal…

Computer Vision and Pattern Recognition · Computer Science 2016-05-20 Bruno Ferrarini , Shoaib Ehsan , Naveed Ur Rehman , Ales Leonardis , Klaus D. McDonald-Maier

Active perception describes a broad class of techniques that couple planning and perception systems to move the robot in a way to give the robot more information about the environment. In most robotic systems, perception is typically…

Human decision-making often relies on visual information from multiple perspectives or views. In contrast, machine learning-based object recognition utilizes information from a single image of the object. However, the information conveyed…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Mona Alzahrani , Muhammad Usman , Salma Kammoun , Saeed Anwar , Tarek Helmy

People detection in single 2D images has improved greatly in recent years. However, comparatively little of this progress has percolated into multi-camera multi-people tracking algorithms, whose performance still degrades severely when…

Computer Vision and Pattern Recognition · Computer Science 2017-04-21 Pierre Baqué , François Fleuret , Pascal Fua

Multi-shot pedestrian re-identification problem is at the core of surveillance video analysis. It matches two tracks of pedestrians from different cameras. In contrary to existing works that aggregate single frames features by time series…

Computer Vision and Pattern Recognition · Computer Science 2018-05-10 Jianfu Zhang , Naiyan Wang , Liqing Zhang

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

Using synthesized images to boost the performance of perception models is a long-standing research challenge in computer vision. It becomes more eminent in visual-centric autonomous driving systems with multi-view cameras as some long-tail…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Kairui Yang , Enhui Ma , Jibin Peng , Qing Guo , Di Lin , Kaicheng Yu

Multiview detection uses multiple calibrated cameras with overlapping fields of views to locate occluded pedestrians. In this field, existing methods typically adopt a ``human modeling - aggregation'' strategy. To find robust pedestrian…

Computer Vision and Pattern Recognition · Computer Science 2023-01-09 Jiahao Ma , Zicheng Duan , Liang Zheng , Chuong Nguyen

One object class may show large variations due to diverse illuminations, backgrounds and camera viewpoints. Traditional object detection methods often perform worse under unconstrained video environments. To address this problem, many…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 Dapeng Luo , Zhipeng Zeng , Nong Sang , Xiang Wu , Longsheng Wei , Quanzheng Mou , Jun Cheng , Chen Luo

Multiview detection incorporates multiple camera views to deal with occlusions, and its central problem is multiview aggregation. Given feature map projections from multiple views onto a common ground plane, the state-of-the-art method…

Computer Vision and Pattern Recognition · Computer Science 2021-08-13 Yunzhong Hou , Liang Zheng

Adjusting camera exposure in arbitrary lighting conditions is the first step to ensure the functionality of computer vision applications. Poorly adjusted camera exposure often leads to critical failure and performance degradation.…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Kyunghyun Lee , Ukcheol Shin , Byeong-Uk Lee

This work introduces a robot navigation controller that combines event cameras and other sensors with reinforcement learning to enable real-time human-centered navigation and obstacle avoidance. Unlike conventional image-based controllers,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Ignacio Bugueno-Cordova , Javier Ruiz-del-Solar , Rodrigo Verschae

We introduce a novel method to automatically adjust camera exposure for image processing and computer vision applications on mobile robot platforms. Because most image processing algorithms rely heavily on low-level image features that are…

Computer Vision and Pattern Recognition · Computer Science 2018-06-14 Inwook Shim , Tae-Hyun Oh , Joon-Young Lee , Jinwook Choi , Dong-Geol Choi , In So Kweon