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The unprecedented increase in the usage of computer vision technology in society goes hand in hand with an increased concern in data privacy. In many real-world scenarios like people tracking or action recognition, it is important to be…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Maxim Maximov , Ismail Elezi , Laura Leal-Taixé

We propose an efficient approach to exploiting motion information from consecutive frames of a video sequence to recover the 3D pose of people. Previous approaches typically compute candidate poses in individual frames and then link them in…

Computer Vision and Pattern Recognition · Computer Science 2016-09-05 Bugra Tekin , Artem Rozantsev , Vincent Lepetit , Pascal Fua

We propose HeadOn, the first real-time source-to-target reenactment approach for complete human portrait videos that enables transfer of torso and head motion, face expression, and eye gaze. Given a short RGB-D video of the target actor, we…

Computer Vision and Pattern Recognition · Computer Science 2018-05-31 Justus Thies , Michael Zollhöfer , Christian Theobalt , Marc Stamminger , Matthias Nießner

To generalize to novel visual scenes with new viewpoints and new object poses, a visual system needs representations of the shapes of the parts of an object that are invariant to changes in viewpoint or pose. 3D graphics representations…

Computer Vision and Pattern Recognition · Computer Science 2019-05-29 Boyang Deng , Simon Kornblith , Geoffrey Hinton

Real-time 3D human action recognition has broad industrial applications, such as surveillance, human-computer interaction, and healthcare monitoring. By relying on complex spatio-temporal local encoding, most existing point cloud sequence…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Xing Li , Qian Huang , Zhijian Wang , Zhenjie Hou , Tianjin Yang , Zhuang Miao

In this paper, we propose a novel pipeline for the 3D reconstruction of the full body from egocentric viewpoints. 3-D reconstruction of the human body from egocentric viewpoints is a challenging task as the view is skewed and the body parts…

Computer Vision and Pattern Recognition · Computer Science 2021-11-11 Shivam Grover , Kshitij Sidana , Vanita Jain

Modern avatar generators allow anyone to synthesize photorealistic real-time talking avatars, ushering in a new era of avatar-based human communication, such as with immersive AR/VR interactions or videoconferencing with limited bandwidths.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Ekta Prashnani , Koki Nagano , Shalini De Mello , David Luebke , Orazio Gallo

Current diffusion models for human image animation often struggle to maintain identity (ID) consistency, especially when the reference image and driving video differ significantly in body size or position. We introduce StableAnimator++, the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Shuyuan Tu , Zhen Xing , Xintong Han , Zhi-Qi Cheng , Qi Dai , Chong Luo , Zuxuan Wu , Yu-Gang Jiang

Action recognition is a relatively established task, where givenan input sequence of human motion, the goal is to predict its ac-tion category. This paper, on the other hand, considers a relativelynew problem, which could be thought of as…

Computer Vision and Pattern Recognition · Computer Science 2020-07-31 Chuan Guo , Xinxin Zuo , Sen Wang , Shihao Zou , Qingyao Sun , Annan Deng , Minglun Gong , Li Cheng

Human avatar has become a novel type of 3D asset with various applications. Ideally, a human avatar should be fully customizable to accommodate different settings and environments. In this work, we introduce NECA, an approach capable of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Junjin Xiao , Qing Zhang , Zhan Xu , Wei-Shi Zheng

In this paper, we introduce a global video representation to video-based person re-identification (re-ID) that aggregates local 3D features across the entire video extent. Most of the existing methods rely on 2D convolutional networks…

Computer Vision and Pattern Recognition · Computer Science 2019-02-07 Lin Wu , Yang Wang , Ling Shao , Meng Wang

Lightweight creation of 3D digital avatars is a highly desirable but challenging task. With only sparse videos of a person under unknown illumination, we propose a method to create relightable and animatable neural avatars, which can be…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Wenbin Lin , Chengwei Zheng , Jun-Hai Yong , Feng Xu

Growing privacy concerns and regulations like GDPR and CCPA necessitate pseudonymization techniques that protect identity in image datasets. However, retaining utility is also essential. Traditional methods like masking and blurring degrade…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Kartik Patwari , David Schneider , Xiaoxiao Sun , Chen-Nee Chuah , Lingjuan Lyu , Vivek Sharma

This article describes the design and development of a system for remote indoor 3D monitoring using an undetermined number of Microsoft(R) Kinect sensors. In the proposed client-server system, the Kinect cameras can be connected to…

Computer Vision and Pattern Recognition · Computer Science 2014-03-13 M. Martínez-Zarzuela , M. Pedraza-Hueso , F. J. Díaz-Pernas , D. González-Ortega , M. Antón-Rodríguez

As is commonly known, the steganographic algorithms employ images, audio, video or text files as the medium to ensure hidden exchange of information between multiple contenders to protect the data from the prying eyes. However, using text…

Cryptography and Security · Computer Science 2012-03-19 Shraddha Dulera , Devesh Jinwala , Aroop Dasgupta

Current diffusion models for human image animation struggle to ensure identity (ID) consistency. This paper presents StableAnimator, the first end-to-end ID-preserving video diffusion framework, which synthesizes high-quality videos without…

Computer Vision and Pattern Recognition · Computer Science 2024-11-28 Shuyuan Tu , Zhen Xing , Xintong Han , Zhi-Qi Cheng , Qi Dai , Chong Luo , Zuxuan Wu

We present a new task that predicts future locations of people observed in first-person videos. Consider a first-person video stream continuously recorded by a wearable camera. Given a short clip of a person that is extracted from the…

Computer Vision and Pattern Recognition · Computer Science 2018-03-29 Takuma Yagi , Karttikeya Mangalam , Ryo Yonetani , Yoichi Sato

In a world of pervasive cameras, public spaces are often captured from multiple perspectives by cameras of different types, both fixed and mobile. An important problem is to organize these heterogeneous collections of videos by finding…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Mingze Xu , Chenyou Fan , Yuchen Wang , Michael S Ryoo , David J Crandall

Realistic animatable human avatars from monocular videos are crucial for advancing human-robot interaction and enhancing immersive virtual experiences. While recent research on 3DGS-based human avatars has made progress, it still struggles…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Guangan Jiang , Tianzi Zhang , Dong Li , Zhenjun Zhao , Haoang Li , Mingrui Li , Hongyu Wang

Diffusion models usher a new era of video editing, flexibly manipulating the video contents with text prompts. Despite the widespread application demand in editing human-centered videos, these models face significant challenges in handling…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Xiaojing Zhong , Xinyi Huang , Xiaofeng Yang , Guosheng Lin , Qingyao Wu