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We explore 3D human pose estimation from a single RGB image. While many approaches try to directly predict 3D pose from image measurements, we explore a simple architecture that reasons through intermediate 2D pose predictions. Our approach…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Ching-Hang Chen , Deva Ramanan

The availability of the large-scale labeled 3D poses in the Human3.6M dataset plays an important role in advancing the algorithms for 3D human pose estimation from a still image. We observe that recent innovation in this area mainly focuses…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Luyang Wang , Yan Chen , Zhenhua Guo , Keyuan Qian , Mude Lin , Hongsheng Li , Jimmy S. Ren

Person identification systems often rely on audio, visual, or behavioral cues, but real-world conditions frequently present with missing or degraded modalities. To address this challenge, we propose a multimodal person identification…

Computer Vision and Pattern Recognition · Computer Science 2026-01-28 Aref Farhadipour , Teodora Vukovic , Volker Dellwo , Petr Motlicek , Srikanth Madikeri

We propose to leverage recent advances in reliable 2D pose estimation with Convolutional Neural Networks (CNN) to estimate the 3D pose of people from depth images in multi-person Human-Robot Interaction (HRI) scenarios. Our method is based…

Computer Vision and Pattern Recognition · Computer Science 2020-11-11 Angel Martínez-González , Michael Villamizar , Olivier Canévet , Jean-Marc Odobez

We introduce a density-based clustering method called skeleton clustering that can detect clusters in multivariate and even high-dimensional data with irregular shapes. To bypass the curse of dimensionality, we propose surrogate density…

Machine Learning · Statistics 2023-03-09 Zeyu Wei , Yen-Chi Chen

Clustering is one of the major tasks in data mining. In the last few years, Clustering of spatial data has received a lot of research attention. Spatial databases are components of many advanced information systems like geographic…

Databases · Computer Science 2012-06-04 Mohamed A. El-Zawawy

Face recall is a basic human cognitive process performed routinely, e.g., when meeting someone and determining if we have met that person before. Assisting a subject during face recall by suggesting candidate faces can be challenging. One…

Machine Learning · Statistics 2016-04-29 Andres G. Abad , Luis I. Reyes Castro

Clustering face images according to their identity has two important applications: (i) grouping a collection of face images when no external labels are associated with images, and (ii) indexing for efficient large scale face retrieval. The…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Yichun Shi , Charles Otto , Anil K. Jain

3D human pose estimation in outdoor environments has garnered increasing attention recently. However, prevalent 3D human pose datasets pertaining to outdoor scenes lack diversity, as they predominantly utilize only one type of modality (RGB…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Bohao Fan , Siqi Wang , Wenxuan Guo , Wenzhao Zheng , Jianjiang Feng , Jie Zhou

This paper addresses the problem of 3D human body shape and pose estimation from RGB images. Recent progress in this field has focused on single images, video or multi-view images as inputs. In contrast, we propose a new task: shape and…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Akash Sengupta , Ignas Budvytis , Roberto Cipolla

Clustering analysis identifies samples as groups based on either their mutual closeness or homogeneity. In order to detect clusters in arbitrary shapes, a novel and generic solution based on boundary erosion is proposed. The clusters are…

Computer Vision and Pattern Recognition · Computer Science 2018-04-16 Cheng-Hao Deng , Wan-Lei Zhao

In this work we address the challenging problem of 3D human pose estimation from single images. Recent approaches learn deep neural networks to regress 3D pose directly from images. One major challenge for such methods, however, is the…

Computer Vision and Pattern Recognition · Computer Science 2017-09-07 Umar Iqbal , Andreas Doering , Hashim Yasin , Björn Krüger , Andreas Weber , Juergen Gall

With 3D data rapidly emerging as an important form of multimedia information, 3D human mesh recovery technology has also advanced accordingly. However, current methods mainly focus on handling humans wearing tight clothing and perform…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Yunqi Gao , Leyuan Liu , Yuhan Li , Changxin Gao , Yuanyuan Liu , Jingying Chen

Person re-identification (ReID) is an important problem in computer vision, especially for video surveillance applications. The problem focuses on identifying people across different cameras or across different frames of the same camera.…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Doney Alex , Zishan Sami , Sumandeep Banerjee , Subrat Panda

The Cognitive Data Model (CDM) is proposed. A novel approach to database design, inspired by the belief that the human brain operates with a logical data model independent of its anatomical structure. The study aims to identify and…

Databases · Computer Science 2025-03-27 Dhammika Pieris

Domain adaptive person re-identification (re-ID) is a challenging task, especially when person identities in target domains are unknown. Existing methods attempt to address this challenge by transferring image styles or aligning feature…

Computer Vision and Pattern Recognition · Computer Science 2020-04-24 Yunpeng Zhai , Shijian Lu , Qixiang Ye , Xuebo Shan , Jie Chen , Rongrong Ji , Yonghong Tian

Crowd-sourcing has become a popular means of acquiring labeled data for a wide variety of tasks where humans are more accurate than computers, e.g., labeling images, matching objects, or analyzing sentiment. However, relying solely on the…

Machine Learning · Computer Science 2014-12-23 Barzan Mozafari , Purnamrita Sarkar , Michael J. Franklin , Michael I. Jordan , Samuel Madden

We describe Human Mesh Recovery (HMR), an end-to-end framework for reconstructing a full 3D mesh of a human body from a single RGB image. In contrast to most current methods that compute 2D or 3D joint locations, we produce a richer and…

Computer Vision and Pattern Recognition · Computer Science 2018-06-26 Angjoo Kanazawa , Michael J. Black , David W. Jacobs , Jitendra Malik

In this paper, we address the problem of person re-identification, which refers to associating the persons captured from different cameras. We propose a simple yet effective human part-aligned representation for handling the body part…

Computer Vision and Pattern Recognition · Computer Science 2017-07-25 Liming Zhao , Xi Li , Jingdong Wang , Yueting Zhuang

Person search has drawn increasing attention due to its real-world applications and research significance. Person search aims to find a probe person in a gallery of scene images with a wide range of applications, such as criminals search,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-05 Xiangtan Lin , Pengzhen Ren , Yun Xiao , Xiaojun Chang , Alex Hauptmann