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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 work, we introduce the challenging problem of joint multi-person pose estimation and tracking of an unknown number of persons in unconstrained videos. Existing methods for multi-person pose estimation in images cannot be applied…

Computer Vision and Pattern Recognition · Computer Science 2017-04-10 Umar Iqbal , Anton Milan , Juergen Gall

Robots working in human environments often encounter a wide range of articulated objects, such as tools, cabinets, and other jointed objects. Such articulated objects can take an infinite number of possible poses, as a point in a…

Robotics · Computer Science 2018-12-11 Karthik Desingh , Shiyang Lu , Anthony Opipari , Odest Chadwicke Jenkins

We focus on the challenging problem of efficient mouse 3D pose estimation based on static images, and especially single depth images. We introduce an approach to discriminatively train the split nodes of trees in random forest to improve…

Computer Vision and Pattern Recognition · Computer Science 2015-11-25 Ashwin Nanjappa , Li Cheng , Wei Gao , Chi Xu , Adam Claridge-Chang , Zoe Bichler

Hand pose estimation has matured rapidly in recent years. The introduction of commodity depth sensors and a multitude of practical applications have spurred new advances. We provide an extensive analysis of the state-of-the-art, focusing on…

Computer Vision and Pattern Recognition · Computer Science 2015-05-08 James Steven Supancic , Gregory Rogez , Yi Yang , Jamie Shotton , Deva Ramanan

This paper introduces a novel approach for the grasping and precise placement of various known rigid objects using multiple grippers within highly cluttered scenes. Using a single depth image of the scene, our method estimates multiple 6D…

Category-level articulated object pose estimation aims to estimate a hierarchy of articulation-aware object poses of an unseen articulated object from a known category. To reduce the heavy annotations needed for supervised learning methods,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Xueyi Liu , Ji Zhang , Ruizhen Hu , Haibin Huang , He Wang , Li Yi

Pose estimation and tracking of objects is a fundamental application in 3D vision. Event cameras possess remarkable attributes such as high dynamic range, low latency, and resilience against motion blur, which enables them to address…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Zibin Liu , Banglei Guan , Yang Shang , Qifeng Yu , Laurent Kneip

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

The cross-depiction problem is that of recognising visual objects regardless of whether they are photographed, painted, drawn, etc. It is a potentially significant yet under-researched problem. Emulating the remarkable human ability to…

Computer Vision and Pattern Recognition · Computer Science 2015-05-04 Hongping Cai , Qi Wu , Tadeo Corradi , Peter Hall

The complex-step derivative approximation is a numerical differentiation technique that can achieve analytical accuracy, to machine precision, with a single function evaluation. In this letter, the complex-step derivative approximation is…

Robotics · Computer Science 2021-05-07 Charles Champagne Cossette , Alex Walsh , James Richard Forbes

This project addresses the task of category-level pose estimation for articulated objects from a single depth image. We present a novel category-level approach that correctly accommodates object instances previously unseen during training.…

Computer Vision and Pattern Recognition · Computer Science 2020-04-10 Xiaolong Li , He Wang , Li Yi , Leonidas Guibas , A. Lynn Abbott , Shuran Song

This paper presents a comprehensive pipeline for recognizing objects targeted by human pointing gestures using RGB images. As human-robot interaction moves toward more intuitive interfaces, the ability to identify targets of non-verbal…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Lukáš Hajdúch , Viktor Kocur

Estimating the 6D pose of objects from images is an important problem in various applications such as robot manipulation and virtual reality. While direct regression of images to object poses has limited accuracy, matching rendered images…

Computer Vision and Pattern Recognition · Computer Science 2019-10-03 Yi Li , Gu Wang , Xiangyang Ji , Yu Xiang , Dieter Fox

Exemplar-based models have achieved great success on localizing the parts of semi-rigid objects. However, their efficacy on highly articulated objects such as humans is yet to be explored. Inspired by hierarchical object representation and…

Computer Vision and Pattern Recognition · Computer Science 2015-12-15 Jiongxin Liu , Yinxiao Li , Peter Allen , Peter Belhumeur

Retrieving the 3D kinematics of articulated objects from monocular video is a fundamental challenge in computer vision. Existing methods rely on complex video setups or cues such as long-term point tracking or wide-baseline matching, but…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Arslan Artykov , Tom Ravaud , Nicolás Violante-Grezzi , Vincent Lepetit

This paper focuses on vision-based pose estimation for multiple rigid objects placed in clutter, especially in cases involving occlusions and objects resting on each other. Progress has been achieved recently in object recognition given…

Robotics · Computer Science 2019-04-04 Chaitanya Mitash , Abdeslam Boularias , Kostas Bekris

In this technical report, we investigate efficient representations of articulated objects (e.g. human bodies), which is an important problem in computer vision and graphics. To deform articulated geometry, existing approaches represent…

Cascaded regression method is a fast and accurate method on finding 2D pose of objects in RGB images. It is able to find the accurate pose of objects in an image by a great number of corrections on the good initial guess of the pose of…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Wenye He

Classifying the behavior of humans or animals from videos is important in biomedical fields for understanding brain function and response to stimuli. Action recognition, classifying activities performed by one or more subjects in a trimmed…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Michael Perez , Corey Toler-Franklin