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Estimating 3D human poses from a monocular video is still a challenging task. Many existing methods' performance drops when the target person is occluded by other objects, or the motion is too fast/slow relative to the scale and speed of…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Cheng Yu , Bo Wang , Bo Yang , Robby T. Tan

Heatmap representations have formed the basis of human pose estimation systems for many years, and their extension to 3D has been a fruitful line of recent research. This includes 2.5D volumetric heatmaps, whose X and Y axes correspond to…

Computer Vision and Pattern Recognition · Computer Science 2023-01-09 István Sárándi , Timm Linder , Kai O. Arras , Bastian Leibe

Knowing the exact 3D location of workers and robots in a collaborative environment enables several real applications, such as the detection of unsafe situations or the study of mutual interactions for statistical and social purposes. In…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Alessandro Simoni , Stefano Pini , Guido Borghi , Roberto Vezzani

We present a novel method for estimation of 3D human poses from a multi-camera setup, employing distributed smart edge sensors coupled with a backend through a semantic feedback loop. 2D joint detection for each camera view is performed…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Simon Bultmann , Sven Behnke

3D human pose lifting from a single RGB image is a challenging task in 3D vision. Existing methods typically establish a direct joint-to-joint mapping from 2D to 3D poses based on 2D features. This formulation suffers from two fundamental…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Jinghong Zheng , Changlong Jiang , Yang Xiao , Jiaqi Li , Haohong Kuang , Hang Xu , Ran Wang , Zhiguo Cao , Min Du , Joey Tianyi Zhou

Many real-world applications require the estimation of human body joints for higher-level tasks as, for example, human behaviour understanding. In recent years, depth sensors have become a popular approach to obtain three-dimensional…

Computer Vision and Pattern Recognition · Computer Science 2018-07-17 Manuel J. Marin-Jimenez , Francisco J. Romero-Ramirez , Rafael Muñoz-Salinas , Rafael Medina-Carnicer

Accurately estimating the 3D pose of the camera wearer in egocentric video sequences is crucial to modeling human behavior in virtual and augmented reality applications. The task presents unique challenges due to the limited visibility of…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Luca Scofano , Alessio Sampieri , Edoardo De Matteis , Indro Spinelli , Fabio Galasso

Understanding the camera wearer's activity is central to egocentric vision, yet one key facet of that activity is inherently invisible to the camera--the wearer's body pose. Prior work focuses on estimating the pose of hands and arms when…

Computer Vision and Pattern Recognition · Computer Science 2016-03-28 Hao Jiang , Kristen Grauman

State-of-the-art human pose estimation methods are based on heat map representation. In spite of the good performance, the representation has a few issues in nature, such as not differentiable and quantization error. This work shows that a…

Computer Vision and Pattern Recognition · Computer Science 2018-09-19 Xiao Sun , Bin Xiao , Fangyin Wei , Shuang Liang , Yichen Wei

Current works on multi-person 3D pose estimation mainly focus on the estimation of the 3D joint locations relative to the root joint and ignore the absolute locations of each pose. In this paper, we propose the Human Depth Estimation…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Jiahao Lin , Gim Hee Lee

Occlusion is an omnipresent challenge in 3D human pose estimation (HPE). In spite of the large amount of research dedicated to 3D HPE, only a limited number of studies address the problem of occlusion explicitly. To fill this gap, we…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Soubarna Banik , Patricia Gschoßmann , Alejandro Mendoza Garcia , Alois Knoll

Estimating 3D poses from a monocular video is still a challenging task, despite the significant progress that has been made in recent years. Generally, the performance of existing methods drops when the target person is too small/large, or…

Computer Vision and Pattern Recognition · Computer Science 2020-04-27 Yu Cheng , Bo Yang , Bo Wang , Robby T. Tan

By leveraging temporal dependency in video sequences, multi-frame human pose estimation algorithms have demonstrated remarkable results in complicated situations, such as occlusion, motion blur, and video defocus. These algorithms are…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Jijie He , Wenwu Yang

3D hand pose estimation in everyday egocentric images is challenging for several reasons: poor visual signal (occlusion from the object of interaction, low resolution & motion blur), large perspective distortion (hands are close to the…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Aditya Prakash , Ruisen Tu , Matthew Chang , Saurabh Gupta

We present EgoCOL, an egocentric camera pose estimation method for open-world 3D object localization. Our method leverages sparse camera pose reconstructions in a two-fold manner, video and scan independently, to estimate the camera pose of…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Cristhian Forigua , Maria Escobar , Jordi Pont-Tuset , Kevis-Kokitsi Maninis , Pablo Arbeláez

The common approach to 3D human pose estimation is predicting the body joint coordinates relative to the hip. This works well for a single person but is insufficient in the case of multiple interacting people. Methods predicting absolute…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Márton Véges , András Lőrincz

The typical bottom-up human pose estimation framework includes two stages, keypoint detection and grouping. Most existing works focus on developing grouping algorithms, e.g., associative embedding, and pixel-wise keypoint regression that we…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Ke Sun , Zigang Geng , Depu Meng , Bin Xiao , Dong Liu , Zhaoxiang Zhang , Jingdong Wang

Despite recent advances in human pose estimation (HPE), poor generalization to out-of-distribution (OOD) data remains a difficult problem. While previous works have proposed Test-Time Adaptation (TTA) to bridge the train-test domain gap by…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Luke Bidulka , Mohsen Gholami , Jiannan Zheng , Martin J. McKeown , Z. Jane Wang

The extraction of keypoint positions from input hand frames, known as 3D hand pose estimation, is crucial for various human-computer interaction applications. However, current approaches often struggle with the dynamic nature of…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Wencan Cheng , Eunji Kim , Jong Hwan Ko

We present a new self-supervised approach, SelfPose3d, for estimating 3d poses of multiple persons from multiple camera views. Unlike current state-of-the-art fully-supervised methods, our approach does not require any 2d or 3d ground-truth…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Vinkle Srivastav , Keqi Chen , Nicolas Padoy