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Hand pose estimation is a crucial part of a wide range of augmented reality and human-computer interaction applications. Predicting the 3D hand pose from a single RGB image is challenging due to occlusion and depth ambiguities. GCN-based…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Ikram Kourbane , Yakup Genc

3D hand pose estimation based on RGB images has been studied for a long time. Most of the studies, however, have performed frame-by-frame estimation based on independent static images. In this paper, we attempt to not only consider the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-13 John Yang , Hyung Jin Chang , Seungeui Lee , Nojun Kwak

State-of-the-art single depth image-based 3D hand pose estimation methods are based on dense predictions, including voxel-to-voxel predictions, point-to-point regression, and pixel-wise estimations. Despite the good performance, those…

Computer Vision and Pattern Recognition · Computer Science 2020-07-13 Linpu Fang , Xingyan Liu , Li Liu , Hang Xu , Wenxiong Kang

Estimating the 3D pose of a hand is an essential part of human-computer interaction. Estimating 3D pose using depth or multi-view sensors has become easier with recent advances in computer vision, however, regressing pose from a single RGB…

Computer Vision and Pattern Recognition · Computer Science 2018-04-26 Umar Iqbal , Pavlo Molchanov , Thomas Breuel , Juergen Gall , Jan Kautz

In this paper, we present a new bottom-up one-stage method for whole-body pose estimation, which we call "hierarchical point regression," or HPRNet for short. In standard body pose estimation, the locations of $\sim 17$ major joints on the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Nermin Samet , Emre Akbas

In this paper, we present a random-forest based fast cascaded regression model for face alignment, via a novel local feature. Our proposed local lightweight feature, namely intimacy definition feature (IDF), is more discriminative than…

Computer Vision and Pattern Recognition · Computer Science 2017-12-06 Hailiang Li , Kin-Man Lam , Edmond M. Y. Chiu , Kangheng Wu , Zhibin Lei

Image ordinal estimation is to predict the ordinal label of a given image, which can be categorized as an ordinal regression problem. Recent methods formulate an ordinal regression problem as a series of binary classification problems. Such…

Computer Vision and Pattern Recognition · Computer Science 2021-02-23 Haiping Zhu , Hongming Shan , Yuheng Zhang , Lingfu Che , Xiaoyang Xu , Junping Zhang , Jianbo Shi , Fei-Yue Wang

Accurate 3D hand pose estimation plays an important role in Human Machine Interaction (HMI). In the reality of HMI, joints in fingers stretching out, especially corresponding fingertips, are much more important than other joints. We propose…

Computer Vision and Pattern Recognition · Computer Science 2018-07-26 Cairong Zhang , Guijin Wang , Hengkai Guo , Xinghao Chen , Fei Qiao , Huazhong Yang

This paper presents a iterative optimization method, explicit shape regression, for face pose detection and localization. The regression function is learnt to find out the entire facial shape and minimize the alignment errors. A cascaded…

Computer Vision and Pattern Recognition · Computer Science 2017-09-12 Wenye He

We present a unified framework for camera-space 3D hand pose estimation from a single RGB image based on 3D implicit representation. As opposed to recent works, most of which first adopt holistic or pixel-level dense regression to obtain…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Lin Huang , Chung-Ching Lin , Kevin Lin , Lin Liang , Lijuan Wang , Junsong Yuan , Zicheng Liu

Model-based approaches to 3D hand tracking have been shown to perform well in a wide range of scenarios. However, they require initialisation and cannot recover easily from tracking failures that occur due to fast hand motions. Data-driven…

Computer Vision and Pattern Recognition · Computer Science 2015-10-28 Georg Poier , Konstantinos Roditakis , Samuel Schulter , Damien Michel , Horst Bischof , Antonis A. Argyros

Learning and predicting the pose parameters of a 3D hand model given an image, such as locations of hand joints, is challenging due to large viewpoint changes and articulations, and severe self-occlusions exhibited particularly in…

Computer Vision and Pattern Recognition · Computer Science 2018-05-23 Qi Ye , Tae-Kyun Kim

We introduce a framework for dynamic evaluation of the fingers movements: flexion, extension, abduction and adduction. This framework estimates angle measurements from joints computed by a hand pose estimation algorithm using a depth sensor…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Luciano Walenty Xavier Cejnog , Roberto Marcondes Cesar , Teofilo Emidio de Campos , Valeria Meirelles Carril Elui

We propose a novel 3D neural network architecture for 3D hand pose estimation from a single depth image. Different from previous works that mostly run on 2D depth image domain and require intermediate or post process to bring in the…

Computer Vision and Pattern Recognition · Computer Science 2017-04-10 Xiaoming Deng , Shuo Yang , Yinda Zhang , Ping Tan , Liang Chang , Hongan Wang

Many manipulation tasks, such as placement or within-hand manipulation, require the object's pose relative to a robot hand. The task is difficult when the hand significantly occludes the object. It is especially hard for adaptive hands, for…

Robotics · Computer Science 2021-12-20 Bowen Wen , Chaitanya Mitash , Sruthi Soorian , Andrew Kimmel , Avishai Sintov , Kostas E. Bekris

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

Visual re-localization means using a single image as input to estimate the camera's location and orientation relative to a pre-recorded environment. The highest-scoring methods are "structure based," and need the query camera's intrinsics…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Mehmet Ozgur Turkoglu , Eric Brachmann , Konrad Schindler , Gabriel Brostow , Aron Monszpart

This paper proposes a novel graph-based regularized regression estimator - the hierarchical feature regression (HFR) -, which mobilizes insights from the domains of machine learning and graph theory to estimate robust parameters for a…

Machine Learning · Statistics 2022-01-11 Johann Pfitzinger

In this paper, we strive to answer two questions: What is the current state of 3D hand pose estimation from depth images? And, what are the next challenges that need to be tackled? Following the successful Hands In the Million Challenge…

We propose a novel framework to reconstruct accurate appearance and geometry with neural radiance fields (NeRF) for interacting hands, enabling the rendering of photo-realistic images and videos for gesture animation from arbitrary views.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Zhiyang Guo , Wengang Zhou , Min Wang , Li Li , Houqiang Li