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A new video coding method based on compressive sampling is proposed. In this method, a video is coded using compressive measurements on video cubes. Video reconstruction is performed by minimization of total variation (TV) of the pixelwise…

Multimedia · Computer Science 2013-03-05 Chengbo Li , Hong Jiang , Paul Wilford , Yin Zhang , Mike Scheutzow

Training state-of-the-art models for human pose estimation in videos requires datasets with annotations that are really hard and expensive to obtain. Although transformers have been recently utilized for body pose sequence modeling, related…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Fabien Baradel , Romain Brégier , Thibault Groueix , Philippe Weinzaepfel , Yannis Kalantidis , Grégory Rogez

The accuracy of monocular 3D human pose estimation depends on the viewpoint from which the image is captured. While freely moving cameras, such as on drones, provide control over this viewpoint, automatically positioning them at the…

Computer Vision and Pattern Recognition · Computer Science 2020-06-19 Sena Kiciroglu , Helge Rhodin , Sudipta N. Sinha , Mathieu Salzmann , Pascal Fua

This paper discusses video motion capture, namely, 3D reconstruction of human motion from multi-camera images. After the Part Confidence Maps are computed from each camera image, the proposed spatiotemporal filter is applied to deliver the…

Robotics · Computer Science 2019-12-11 Takuya Ohashi , Yosuke Ikegami , Kazuki Yamamoto , Wataru Takano , Yoshihiko Nakamura

Today, according to the Cisco Annual Internet Report (2018-2023), the fastest-growing category of Internet traffic is machine-to-machine communication. In particular, machine-to-machine communication of images and videos represents a new…

Image and Video Processing · Electrical Eng. & Systems 2021-10-14 Nam Le , Honglei Zhang , Francesco Cricri , Ramin Ghaznavi-Youvalari , Hamed Rezazadegan Tavakoli , Esa Rahtu

The risk of unauthorized remote access of streaming video from networked cameras underlines the need for stronger privacy safeguards. We propose a lens-free coded aperture camera system for human action recognition that is…

Computer Vision and Pattern Recognition · Computer Science 2019-04-18 Zihao W. Wang , Vibhav Vineet , Francesco Pittaluga , Sudipta Sinha , Oliver Cossairt , Sing Bing Kang

While most existing neural image compression (NIC) and neural video compression (NVC) methodologies have achieved remarkable success, their optimization is primarily focused on human visual perception. However, with the rapid development of…

Computer Vision and Pattern Recognition · Computer Science 2025-01-09 Lei Liu , Zhenghao Chen , Zhihao Hu , Dong Xu

Human-machine collaborative compression has been receiving increasing research efforts for reducing image/video data, serving as the basis for both human perception and machine intelligence. Existing collaborative methods are dominantly…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Zifu Zhang , Shengxi Li , Xiancheng Sun , Mai Xu , Zhengyuan Liu , Jingyuan Xia

In this paper, we study a new problem arising from the emerging MPEG standardization effort Video Coding for Machine (VCM), which aims to bridge the gap between visual feature compression and classical video coding. VCM is committed to…

Image and Video Processing · Electrical Eng. & Systems 2020-01-10 Sifeng Xia , Kunchangtai Liang , Wenhan Yang , Ling-Yu Duan , Jiaying Liu

In this paper, a macroblock classification method is proposed for various video processing applications involving motions. Based on the analysis of the Motion Vector field in the compressed video, we propose to classify Macroblocks of each…

Multimedia · Computer Science 2016-11-17 Weiyao Lin , Ming-Ting Sun , Hongxiang Li , Zhenzhong Chen , Wei Li , Bing Zhou

We introduce HUMAN4D, a large and multimodal 4D dataset that contains a variety of human activities simultaneously captured by a professional marker-based MoCap, a volumetric capture and an audio recording system. By capturing 2 female and…

Discrete transforms play an important role in many signal processing applications, and low-complexity alternatives for classical transforms became popular in recent years. Particularly, the discrete cosine transform (DCT) has proven to be…

Signal Processing · Electrical Eng. & Systems 2020-06-23 D. R. Canterle , T. L. T. da Silveira , F. M. Bayer , R. J. Cintra

In this letter, we present a novel markerless 3D human motion capture (MoCap) system for unstructured, outdoor environments that uses a team of autonomous unmanned aerial vehicles (UAVs) with on-board RGB cameras and computation. Existing…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Nitin Saini , Elia Bonetto , Eric Price , Aamir Ahmad , Michael J. Black

We develop a technique for generating smooth and accurate 3D human pose and motion estimates from RGB video sequences. Our method, which we call Motion Estimation via Variational Autoencoder (MEVA), decomposes a temporal sequence of human…

Computer Vision and Pattern Recognition · Computer Science 2020-10-07 Zhengyi Luo , S. Alireza Golestaneh , Kris M. Kitani

Transferring the motion style from one animation clip to another, while preserving the motion content of the latter, has been a long-standing problem in character animation. Most existing data-driven approaches are supervised and rely on…

Graphics · Computer Science 2020-05-13 Kfir Aberman , Yijia Weng , Dani Lischinski , Daniel Cohen-Or , Baoquan Chen

This paper addresses the challenge of novel view synthesis for a human performer from a very sparse set of camera views. Some recent works have shown that learning implicit neural representations of 3D scenes achieves remarkable view…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Sida Peng , Yuanqing Zhang , Yinghao Xu , Qianqian Wang , Qing Shuai , Hujun Bao , Xiaowei Zhou

Recent advances in image-based human pose estimation make it possible to capture 3D human motion from a single RGB video. However, the inherent depth ambiguity and self-occlusion in a single view prohibit the recovery of as high-quality…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Junting Dong , Qing Shuai , Yuanqing Zhang , Xian Liu , Xiaowei Zhou , Hujun Bao

In spite of the great progress in human motion prediction, it is still a challenging task to predict those aperiodic and complicated motions. We believe that to capture the correlations among human body components is the key to understand…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Honghong Zhou , Caili Guo , Hao Zhang , Yanjun Wang

We present a unified perspective on tackling various human-centric video tasks by learning human motion representations from large-scale and heterogeneous data resources. Specifically, we propose a pretraining stage in which a motion…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Wentao Zhu , Xiaoxuan Ma , Zhaoyang Liu , Libin Liu , Wayne Wu , Yizhou Wang

Scaling real robot data is a key bottleneck in imitation learning, leading to the use of auxiliary data for policy training. While other aspects of robotic manipulation such as image or language understanding may be learned from…

Robotics · Computer Science 2025-09-23 Chengbo Yuan , Rui Zhou , Mengzhen Liu , Yingdong Hu , Shengjie Wang , Li Yi , Chuan Wen , Shanghang Zhang , Yang Gao