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We present a contrastive learning framework based on in-the-wild hand images tailored for pre-training 3D hand pose estimators, dubbed HandCLR. Pre-training on large-scale images achieves promising results in various tasks, but prior 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Nie Lin , Takehiko Ohkawa , Mingfang Zhang , Yifei Huang , Ryosuke Furuta , Yoichi Sato

Estimating the 3D pose of hand and potential hand-held object from monocular images is a longstanding challenge. Yet, existing methods are specialized, focusing on either bare-hand or hand interacting with object. No method can flexibly…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Yinqiao Wang , Hao Xu , Pheng-Ann Heng , Chi-Wing Fu

Monocular 3D human pose and shape estimation is an inherently ill-posed problem due to depth ambiguities, occlusions, and truncations. Recent probabilistic approaches learn a distribution over plausible 3D human meshes by maximizing the…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Tom Wehrbein , Marco Rudolph , Bodo Rosenhahn , Bastian Wandt

Analyzing and understanding hand information from multimedia materials like images or videos is important for many real world applications and remains active in research community. There are various works focusing on recovering hand…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 Xiong Zhang , Hongsheng Huang , Jianchao Tan , Hongmin Xu , Cheng Yang , Guozhu Peng , Lei Wang , Ji Liu

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

Tactile sensors provide information that can be used to learn and execute manipulation tasks. Different tasks, however, might require different levels of sensory information; which in turn likely affect learning rates and performance. This…

Robotics · Computer Science 2020-02-07 Romina Mir , Ali Marjaninejad , Francisco J. Valero-Cuevas

In the field of autonomous driving, monocular 3D detection is a critical task which estimates 3D properties (depth, dimension, and orientation) of objects in a single RGB image. Previous works have used features in a heuristic way to learn…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Zhenjia Li , Jinrang Jia , Yifeng Shi

Human Pose Estimation is a low-level task useful forsurveillance, human action recognition, and scene understandingat large. It also offers promising perspectives for the animationof synthetic characters. For all these applications, and…

Computer Vision and Pattern Recognition · Computer Science 2020-10-15 Lucas Mourot , François Le Clerc , Cédric Thébault , Pierre Hellier

Contactless 3D finger knuckle patterns have emerged as an effective biometric identifier due to its discriminativeness, visibility from a distance, and convenience. Recent research has developed a deep feature collaboration network which…

Computer Vision and Pattern Recognition · Computer Science 2023-01-10 Kevin H. M. Cheng , Xu Cheng , Guoying Zhao

3D human pose estimation from a monocular image or 2D joints is an ill-posed problem because of depth ambiguity and occluded joints. We argue that 3D human pose estimation from a monocular input is an inverse problem where multiple feasible…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Chen Li , Gim Hee Lee

Robots have the potential to assist people in bed, such as in healthcare settings, yet bedding materials like sheets and blankets can make observation of the human body difficult for robots. A pressure-sensing mat on a bed can provide…

Robotics · Computer Science 2018-08-31 Henry M. Clever , Ariel Kapusta , Daehyung Park , Zackory Erickson , Yash Chitalia , Charles C. Kemp

3D human pose estimation errors would propagate along the human body topology and accumulate at the end joints of limbs. Inspired by the backtracking mechanism in automatic control systems, we design an Intra-Part Constraint module that…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Jialun Cai , Hong Liu , Runwei Ding , Wenhao Li , Jianbing Wu , Miaoju Ban

We propose a new self-supervised method for predicting 3D human body pose from a single image. The prediction network is trained from a dataset of unlabelled images depicting people in typical poses and a set of unpaired 2D poses. By…

Computer Vision and Pattern Recognition · Computer Science 2023-04-06 Jose Sosa , David Hogg

Hand detection is essential for many hand related tasks, e.g. parsing hand pose, understanding gesture, which are extremely useful for robotics and human-computer interaction. However, hand detection in uncontrolled environments is…

Computer Vision and Pattern Recognition · Computer Science 2016-12-09 Xiaoming Deng , Ye Yuan , Yinda Zhang , Ping Tan , Liang Chang , Shuo Yang , Hongan Wang

We present a self-trainable method, Mask2Hand, which learns to solve the challenging task of predicting 3D hand pose and shape from a 2D binary mask of hand silhouette/shadow without additional manually-annotated data. Given the intrinsic…

Computer Vision and Pattern Recognition · Computer Science 2022-07-04 Li-Jen Chang , Yu-Cheng Liao , Chia-Hui Lin , Hwann-Tzong Chen

3D hand pose estimation from a single depth image plays an important role in computer vision and human-computer interaction. Although recent hand pose estimation methods using convolution neural network (CNN) have shown notable improvements…

Computer Vision and Pattern Recognition · Computer Science 2020-08-28 Cheol-hwan Yoo , Seo-won Ji , Yong-goo Shin , Seung-wook Kim , Sung-jea Ko

For in-hand manipulation, estimation of the object pose inside the hand is one of the important functions to manipulate objects to the target pose. Since in-hand manipulation tends to cause occlusions by the hand or the object itself, image…

Robotics · Computer Science 2020-08-04 Tomoki Anzai , Kuniyuki Takahashi

We present a framework for pre-training of 3D hand pose estimation from in-the-wild hand images sharing with similar hand characteristics, dubbed SimHand. Pre-training with large-scale images achieves promising results in various tasks, but…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Nie Lin , Takehiko Ohkawa , Yifei Huang , Mingfang Zhang , Minjie Cai , Ming Li , Ryosuke Furuta , Yoichi Sato

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

With the availability of egocentric 3D hand-object interaction datasets, there is increasing interest in developing unified models for hand-object pose estimation and action recognition. However, existing methods still struggle to recognise…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Tze Ho Elden Tse , Runyang Feng , Linfang Zheng , Jiho Park , Yixing Gao , Jihie Kim , Ales Leonardis , Hyung Jin Chang
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