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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

Recent unsupervised methods for monocular 3D pose estimation have endeavored to reduce dependence on limited annotated 3D data, but most are solely formulated in 2D space, overlooking the inherent depth ambiguity issue. Due to the…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Yuchen Yang , Xuanyi Liu , Xing Gao , Zhihang Zhong , Xiao Sun

Many robot manipulation tasks can be framed as geometric reasoning tasks, where an agent must be able to precisely manipulate an object into a position that satisfies the task from a set of initial conditions. Often, task success is defined…

Robotics · Computer Science 2024-04-23 Ben Eisner , Yi Yang , Todor Davchev , Mel Vecerik , Jonathan Scholz , David Held

Category-level 6D object pose and size estimation is to predict full pose configurations of rotation, translation, and size for object instances observed in single, arbitrary views of cluttered scenes. In this paper, we propose a new method…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Jiehong Lin , Zewei Wei , Zhihao Li , Songcen Xu , Kui Jia , Yuanqing Li

With the progress of 3D human pose and shape estimation, state-of-the-art methods can either be robust to occlusions or obtain pixel-aligned accuracy in non-occlusion cases. However, they cannot obtain robustness and mesh-image alignment at…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Jiefeng Li , Siyuan Bian , Qi Liu , Jiasheng Tang , Fan Wang , Cewu Lu

Estimating 3D human poses from video is a challenging problem. The lack of 3D human pose annotations is a major obstacle for supervised training and for generalization to unseen datasets. In this work, we address this problem by proposing a…

Computer Vision and Pattern Recognition · Computer Science 2021-05-17 Mohsen Gholami , Ahmad Rezaei , Helge Rhodin , Rabab Ward , Z. Jane Wang

Human pose estimation is a critical tool across a variety of healthcare applications. Despite significant progress in pose estimation algorithms targeting adults, such developments for infants remain limited. Existing algorithms for infant…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Sarosij Bose , Hannah Dela Cruz , Arindam Dutta , Elena Kokkoni , Konstantinos Karydis , Amit K. Roy-Chowdhury

Incorporating inductive bias by embedding geometric entities (such as rays) as input has proven successful in multi-view learning. However, the methods adopting this technique typically lack equivariance, which is crucial for effective 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-11-13 Yinshuang Xu , Dian Chen , Katherine Liu , Sergey Zakharov , Rares Ambrus , Kostas Daniilidis , Vitor Guizilini

Applying pseudo labeling techniques has been found to be advantageous in semi-supervised 3D object detection (SSOD) in Bird's-Eye-View (BEV) for autonomous driving, particularly where labeled data is limited. In the literature, Exponential…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Saheli Hazra , Sudip Das , Rohit Choudhary , Arindam Das , Ganesh Sistu , Ciaran Eising , Ujjwal Bhattacharya

This paper proposes a statistical approach to 2D pose estimation from human images. The main problems with the standard supervised approach, which is based on a deep recognition (image-to-pose) model, are that it often yields anatomically…

Computer Vision and Pattern Recognition · Computer Science 2020-04-09 Takayuki Nakatsuka , Kazuyoshi Yoshii , Yuki Koyama , Satoru Fukayama , Masataka Goto , Shigeo Morishima

Learning articulated object pose is inherently difficult because the pose is high dimensional but has many structural constraints. Most existing work do not model such constraints and does not guarantee the geometric validity of their pose…

Computer Vision and Pattern Recognition · Computer Science 2016-09-20 Xingyi Zhou , Xiao Sun , Wei Zhang , Shuang Liang , Yichen Wei

In this work, we build upon existing methods for occlusion-aware 3D pose detection in videos. We implement a two stage architecture that consists of the stacked hourglass network to produce 2D pose predictions, which are then inputted into…

Computer Vision and Pattern Recognition · Computer Science 2020-06-25 Justin Wang , Edward Xu , Kangrui Xue , Lukasz Kidzinski

This work addresses the problem of estimating the full body 3D human pose and shape from a single color image. This is a task where iterative optimization-based solutions have typically prevailed, while Convolutional Networks (ConvNets)…

Computer Vision and Pattern Recognition · Computer Science 2018-05-11 Georgios Pavlakos , Luyang Zhu , Xiaowei Zhou , Kostas Daniilidis

We study the problem of learning to estimate the 3D object pose from a few labelled examples and a collection of unlabelled data. Our main contribution is a learning framework, neural view synthesis and matching, that can transfer the 3D…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Angtian Wang , Shenxiao Mei , Alan Yuille , Adam Kortylewski

An unsupervised human action modeling framework can provide useful pose-sequence representation, which can be utilized in a variety of pose analysis applications. In this work we propose a novel temporal pose-sequence modeling framework,…

Computer Vision and Pattern Recognition · Computer Science 2018-12-07 Jogendra Nath Kundu , Maharshi Gor , Phani Krishna Uppala , R. Venkatesh Babu

In this work, we address the problem of 3D human pose estimation from a sequence of 2D human poses. Although the recent success of deep networks has led many state-of-the-art methods for 3D pose estimation to train deep networks end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2018-10-23 Mir Rayat Imtiaz Hossain , James J. Little

We propose a new 2D pose refinement network that learns to predict the human bias in the estimated 2D pose. There are biases in 2D pose estimations that are due to differences between annotations of 2D joint locations based on annotators'…

Computer Vision and Pattern Recognition · Computer Science 2021-07-08 Akihiko Sayo , Diego Thomas , Hiroshi Kawasaki , Yuta Nakashima , Katsushi Ikeuchi

Articulation-centric 2D/3D pose supervision forms the core training objective in most existing 3D human pose estimation techniques. Except for synthetic source environments, acquiring such rich supervision for each real target domain at…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Mugalodi Rakesh , Jogendra Nath Kundu , Varun Jampani , R. Venkatesh Babu

The 3D-zoom operation is the positive translation of the camera in the Z-axis, perpendicular to the image plane. In contrast, the optical zoom changes the focal length and the digital zoom is used to enlarge a certain region of an image to…

Image and Video Processing · Electrical Eng. & Systems 2019-10-03 Juan Luis Gonzalez Bello , Munchurl Kim

Accurate and reliable prediction of hospital admission location is important due to resource-constraints and space availability in a clinical setting, particularly when dealing with patients who come from the emergency department. In this…

Machine Learning · Computer Science 2020-07-07 Rasheed el-Bouri , David Eyre , Peter Watkinson , Tingting Zhu , David Clifton