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Rate-distortion optimized compression of motion capture data

L. Váša, G. Brunnett
2014 Computer graphics forum (Print)  
Current state of the art methods reduce the data rate required for high quality storage of motion capture data using various techniques.  ...  Lossy compression of motion capture data can alleviate the problems of efficient storage and transmission by exploiting the redundancy and the superfluous precision of the data.  ...  Acknowledgements Motion data from the CMU Graphics Lab Motion Capture Database were used in this paper.  ... 
doi:10.1111/cgf.12326 fatcat:6vcegrtnfreyleobyqsrlup2ei

Adapting wavelet compression to human motion capture clips

Philippe Beaudoin, Pierre Poulin, Michiel van de Panne
2007 Graphics Interface  
ABSTRACT Motion capture data is an effective way of synthesizing human motion for many interactive applications, including games and simulations.  ...  A compact, easy-to-decode representation is needed for the motion data in order to support the real-time motion of a large number of characters with minimal memory and minimal computational overheads.  ...  ACKNOWLEDGEMENTS The data used in this project was obtained from mocap.cs.cmu.edu. The database was created with funding from NSF EIA-0196217.  ... 
doi:10.1145/1268517.1268568 dblp:conf/graphicsinterface/BeaudoinPP07 fatcat:fgf2sw5gazagxpfx2blua2ycfu

Motion Compression using Principal Geodesics Analysis

M. Tournier, X. Wu, N. Courty, E. Arnaud, L. Revéret
2009 Computer graphics forum (Print)  
Due to the growing need for large quantities of human animation data in the entertainment industry, it has become a necessity to compress motion capture sequences in order to ease their storage and transmission  ...  We present a novel, lossy compression method for human motion data that exploits both temporal and spatial coherence.  ...  Acknowledgements The data used in this project was obtained from mocap.cs.cmu.edu. The database was created with funding from NSF EIA-0196217.  ... 
doi:10.1111/j.1467-8659.2009.01375.x fatcat:w3duodykrzavhhs5doqpuqklbm

Compression of Human Motion Capture Data Using Motion Pattern Indexing

Qin Gu, Jingliang Peng, Zhigang Deng
2009 Computer graphics forum (Print)  
As a result, higher compression ratio has been achieved when compared with the prior art, especially for long sequences of motion capture data with repetitive motion styles.  ...  In this work, a novel scheme is proposed to compress human motion capture data based on hierarchical structure construction and motion pattern indexing.  ...  This research work is supported by the new faculty startup fund provided by the University of Houston.  ... 
doi:10.1111/j.1467-8659.2008.01309.x fatcat:mckbdnr5yjdi3ocfxhr5knwofq

A joint spatio-temporal filtering approach to efficient prediction in video compression

Yue Chen, Jingning Han, Tejaswi Nanjundaswamy, Kenneth Rose
2013 2013 Picture Coding Symposium (PCS)  
various factors in the compression process including variation in statistics in the prediction loop, to minimize the rate-distortion cost.  ...  of video signals, thereby achieving superior compression performance.  ...  We first minimize the mean squared prediction error over the training data and then extend the optimization to account for the overall rate-distortion criterion.  ... 
doi:10.1109/pcs.2013.6737688 dblp:conf/pcs/ChenHNR13 fatcat:zaxmihiebbhehiudwkcwvcc7om

Encoding Parameter Estimation for RDTC Optimized Compression and Streaming of Image-Based Scene Representations

Ingo Bauermann, Eckehard Steinbach
2007 2007 IEEE International Conference on Image Processing  
The degree of dependencies introduced during compression has an impact on the effort that is required to access reference image data and at the same time delimits the rate-distortion (RD) tradeoff that  ...  If a limited channel bitrate and computational power of client devices are taken into account, encoding can be performed in a RD optimal manner with respect to the expected maximum transmission data rate  ...  The goal of this work is to develop a practical framework for the compression and interactive streaming of imagebased scene representations that allows parameter estimation and rate-distortion optimized  ... 
doi:10.1109/icip.2007.4379623 dblp:conf/icip/BauermannS07a fatcat:f36chz562zcj5idrpa6rqs4coq

Neural Video Compression using Spatio-Temporal Priors [article]

Haojie Liu, Tong Chen, Ming Lu, Qiu Shen, Zhan Ma
2019 arXiv   pre-print
All of these parts are connected and trained jointly towards the optimal rate-distortion performance.  ...  The pursuit of higher compression efficiency continuously drives the advances of video coding technologies.  ...  In the meantime, adaptive bit rate allocation among intra texture, flow motion and residual with optimal rate-distortion efficiency will be another exploration avenue.  ... 
arXiv:1902.07383v2 fatcat:brynmcohtzdtdo3nyymhsshubi

Efficient video coding using optimal compression plane and background modelling

M. Paul
2012 IET Image Processing  
A recent optimal compression plane (OCP) determination technique shows that better compression can be achieved by relaxing the physical meaning of axes by exploring information redundancy in a fuller extent  ...  Treating a video as a 3D data cube revolutionizes the traditional video features such as background, motion, object, zooming, panning, etc.  ...  Optimal Compression Plane As mentioned before a video can be treated as a 3D data cube and represented as one of V XYT , V TXY , or V TYX formats.  ... 
doi:10.1049/iet-ipr.2011.0626 fatcat:ljlobexhmvbrtpbnt64yf2k7pu

Computationally Efficient Light Field Image Compression using a Multiview HEVC Framework

Waqas Ahmad, Mubeen Ghafoor, Syed Ali Tariq, Ali Hassan, Marten Sjostrom, Roger Olsson
2019 IEEE Access  
Moreover, an optimized motionsearch scheme is proposed in the framework that reduces the computational complexity (in terms of the sum of absolute difference [SAD] computations) of motion estimation by  ...  The additional angular information possessed by LF data increases the size of the overall data captured while offering the same spatial resolution.  ...  ACKNOWLEDGMENT The software code of proposed scheme is made available at https://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-37186.  ... 
doi:10.1109/access.2019.2944765 fatcat:w7jz3qsqvnadfe36mc5ucbvgty

Content-aware H.264 encoding for traffic video tracking applications

E. Soyak, S. A. Tsaftaris, A. K. Katsaggelos
2010 2010 IEEE International Conference on Acoustics, Speech and Signal Processing  
The compression of video can reduce the accuracy of tracking algorithms, which is problematic for centralized applications that rely on remotely captured and compressed video for input.  ...  We show the effects of high compression on the features commonly used in real-time video object tracking.  ...  However, most video compression algorithms are stil not optimized for traffic video data, nor do they take into account the possible data analysis that will follow at the control center.  ... 
doi:10.1109/icassp.2010.5495044 dblp:conf/icassp/SoyakTK10 fatcat:7nxmlwdlzfhqpdysfopn5vrv74

Video streaming on embedded devices through GPRS network

K.P. Lim, D. Wu, S. Wu, R. Susanto, X. Lin, L. Jiang, R. Yu, F. Pan, Z. Li, S. Yao, G. Feng, C.C. Ko
2003 2003 International Conference on Multimedia and Expo. ICME '03. Proceedings (Cat. No.03TH8698)  
Due to the limited computational resources of PDA, all the key modules of MPEG-4 codec are efficiently implemented and optimized such as multithreading, buffer design, wireless communication, encoder and  ...  We introduce a PDA-based live video streaming system on GPRS Network based on MPEG-4 video compression standard.  ...  Optimizing the motion compensation module This is done by looking into how data can be efficiently moved from one segment of the memory area to another.  ... 
doi:10.1109/icme.2003.1221580 dblp:conf/icmcs/LimWWRLJYPLYFK03 fatcat:abonppiih5bfrjgtoh5bcxdpey

Performance Analysis of Rate Control Scheme in H.264 Video Coding

T. Bernatin, G. Sundari, B. Gayethri, Swarna Ramesh
2016 Indian Journal of Science and Technology  
Background/Objectives: Digital Video streams represent huge amount of data at high definition resolution.  ...  Findings: In this work, the performance analysis of Rate control scheme with optimized Quantization parameter value is carried out.  ...  Here Rate-Distortion Optimization (RDO) optimizes the amount of distortion against the amount of data required to encode the video 7 .  ... 
doi:10.17485/ijst/2016/v9i30/99061 fatcat:wtingaovxbabjktno7n226u2sy

A multi-camera motion capture system for remote healthcare monitoring

Yun Ye, Song Ci, Aggelos K. Katsaggelos, Yanwei Liu
2013 2013 IEEE International Conference on Multimedia and Expo (ICME)  
After video compression and transmission over a wireless sensor network, the remote receiver recovered the videos and performed multi-view motion capture for gait analysis.  ...  Second, all components are seamlessly integrated in a unified optimization framework dedicated for online data transmission.  ...  Cross-layer control plays an important part in optimal system configuration, under the delay and quality requ irements. Fig. ! . ! Multi-camera motion capture system over WSN.  ... 
doi:10.1109/icme.2013.6607566 dblp:conf/icmcs/YeCKL13 fatcat:n4h5cqjl7ngvlbvlppphhwelb4

RDTC Optimized Streaming for Remote Browsing in Image-Based Scene Representations

Ingo Bauermann, Yang Peng, Eckehard Steinbach
2006 Third International Symposium on 3D Data Processing, Visualization, and Transmission (3DPVT'06)  
, distortion (D), transmission data rate (T), and decoding complexity (C).  ...  The degree of inter-frame dependencies exploited during compression has an impact on the effort needed to access reference images and delimits the rate distortion (RD) trade-off that can be achieved.  ...  Rate-distortion optimization has been well studied for video compression in the recent years.  ... 
doi:10.1109/3dpvt.2006.113 dblp:conf/3dpvt/BauermannPS06 fatcat:bmiclwjsezd63ouxuj7x66zcxe

Compression of soft-body animation sequences

Zachi Karni, Craig Gotsman
2004 Computers & graphics  
We describe a compression scheme for the geometry component of 3D animation sequences.  ...  The use of these codes will make animated 3D data more accessible for graphics and visualization applications. r  ...  It consists of a separate trajectory for each mesh vertex, which allows capturing of smooth and realistic motion.  ... 
doi:10.1016/j.cag.2003.10.002 fatcat:xowntsajyzghjbl7evbkeiuaeu
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