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We introduce a taxonomy of materials for hierarchical recognition from local appearance. Our taxonomy is motivated by vision applications and is arranged according to the physical traits of materials. We contribute a diverse, in-the-wild…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Matthew Beveridge , Shree K. Nayar

This paper addresses the problem of 3D human pose and shape estimation from a single image. Previous approaches consider a parametric model of the human body, SMPL, and attempt to regress the model parameters that give rise to a mesh…

Computer Vision and Pattern Recognition · Computer Science 2019-05-09 Nikos Kolotouros , Georgios Pavlakos , Kostas Daniilidis

We present a method for estimating articulated human pose from a single static image based on a graphical model with novel pairwise relations that make adaptive use of local image measurements. More precisely, we specify a graphical model…

Computer Vision and Pattern Recognition · Computer Science 2014-11-05 Xianjie Chen , Alan Yuille

Two-dimensional pose estimation plays a crucial role in fingerprint recognition by facilitating global alignment and reduce pose-induced variations. However, existing methods are still unsatisfactory when handling with large angle or small…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Xiongjun Guan , Zhiyu Pan , Jianjiang Feng , Jie Zhou

Semantic patterns of fine-grained objects are determined by subtle appearance difference of local parts, which thus inspires a number of part-based methods. However, due to uncontrollable object poses in images, distinctive details carried…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Xuhui Yang , Yaowei Wang , Ke Chen , Yong Xu , Yonghong Tian

In this paper, we address the problem of camera pose estimation in outdoor and indoor scenarios. In comparison to the currently top-performing methods that rely on 2D to 3D matching, we propose a model that can directly regress the camera…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Tony Ng , Adrian Lopez-Rodriguez , Vassileios Balntas , Krystian Mikolajczyk

Deterministic models for 3D hand pose reconstruction, whether single-staged or cascaded, struggle with pose ambiguities caused by self-occlusions and complex hand articulations. Existing cascaded approaches refine predictions in a…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Taeyun Woo , Jinah Park , Tae-Kyun Kim

Many machine learning tools for regression are based on recursive partitioning of the covariate space into smaller regions, where the regression function can be estimated locally. Among these, regression trees and their ensembles have…

Statistics Theory · Mathematics 2017-11-30 Stephanie van der Pas , Veronika Rockova

The problem of hand shape classification is challenging since a hand is characterized by a large number of degrees of freedom. Numerous shape descriptors have been proposed and applied over the years to estimate and classify hand poses in…

Computer Vision and Pattern Recognition · Computer Science 2014-06-04 Jakub Nalepa , Michal Kawulok

We develop a system for modeling hand-object interactions in 3D from RGB images that show a hand which is holding a novel object from a known category. We design a Convolutional Neural Network (CNN) for Hand-held Object Pose and Shape…

Computer Vision and Pattern Recognition · Computer Science 2019-11-12 Mia Kokic , Danica Kragic , Jeannette Bohg

Recently, 3D hand reconstruction has gained more attention in human-computer cooperation, especially for hand-object interaction scenario. However, it still remains huge challenge due to severe hand-occlusion caused by interaction, which…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Feng Shuang , Wenbo He , Shaodong Li

Cascade regression framework has been shown to be effective for facial landmark detection. It starts from an initial face shape and gradually predicts the face shape update from the local appearance features to generate the facial landmark…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Yue Wu , Qiang Ji

Tremendous amounts of expensive annotated data are a vital ingredient for state-of-the-art 3d hand pose estimation. Therefore, synthetic data has been popularized as annotations are automatically available. However, models trained only with…

Computer Vision and Pattern Recognition · Computer Science 2018-07-17 Masoud Abdi , Ehsan Abbasnejad , Chee Peng Lim , Saeid Nahavandi

Random Forest (Breiman, 2001) is a successful and widely used regression and classification algorithm. Part of its appeal and reason for its versatility is its (implicit) construction of a kernel-type weighting function on training data,…

Machine Learning · Statistics 2022-10-13 Domagoj Ćevid , Loris Michel , Jeffrey Näf , Nicolai Meinshausen , Peter Bühlmann

Facial feature detection from facial images has attracted great attention in the field of computer vision. It is a nontrivial task since the appearance and shape of the face tend to change under different conditions. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2017-09-19 Yue Wu , Ziheng Wang , Qiang Ji

This work proposes an end-to-end approach to estimate full 3D hand pose from stereo cameras. Most existing methods of estimating hand pose from stereo cameras apply stereo matching to obtain depth map and use depth-based solution to…

Computer Vision and Pattern Recognition · Computer Science 2022-06-06 Yuncheng Li , Zehao Xue , Yingying Wang , Liuhao Ge , Zhou Ren , Jonathan Rodriguez

Most model-based 3D hand pose and shape estimation methods directly regress the parametric model parameters from an image to obtain 3D joints under weak supervision. However, these methods involve solving a complex optimization problem with…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Shiyong Liu , Zhihao Li , Xiao Tang , Jianzhuang Liu

This paper addresses the 3D point cloud reconstruction and 3D pose estimation of the human hand from a single RGB image. To that end, we present a novel pipeline for local and global point cloud reconstruction using a 3D hand template while…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Ziwei Yu , Linlin Yang , Shicheng Chen , Angela Yao

3D pose estimation from a single 2D image is an important and challenging task in computer vision with applications in autonomous driving, robot manipulation and augmented reality. Since 3D pose is a continuous quantity, a natural…

Computer Vision and Pattern Recognition · Computer Science 2018-05-10 Siddharth Mahendran , Haider Ali , Rene Vidal

We present an accurate, real-time approach to robotic grasp detection based on convolutional neural networks. Our network performs single-stage regression to graspable bounding boxes without using standard sliding window or region proposal…

Robotics · Computer Science 2015-03-03 Joseph Redmon , Anelia Angelova