RATE-DISTORTION

作品数：18被引量：17H指数：2
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相关领域：电子电信更多>>
相关作者：冯秀波谢剑英更多>>
相关机构：上海交通大学更多>>
相关期刊：《Journal of Southeast University(English Edition)》《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》《Journal of Systems Engineering and Electronics》《Tsinghua Science and Technology》更多>>
相关基金：国家自然科学基金国家高技术研究发展计划北京市自然科学基金中国博士后科学基金更多>>
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Fundamental Limitation of Semantic Communications:Neural Estimation for Rate-Distortion
《Journal of Communications and Information Networks》2023年第4期303-318,共16页Dongxu Li Jianhao Huang Chuan Huang Xiaoqi Qin Han Zhang Ping Zhang 
supported in part by the Natural Science Foundation of China under Grants 62022070,62341112,62293480,and 62293481,in part by Shenzhen high-tech zone project under Grant KC2022KCCX0041,in part by the key project of Shenzhen under Grant JCYJ20220818103006013,in part by the Shenzhen Outstanding Talents Training Fund 202002,in part by the Guangdong Provincial Key Laboratory of Future Networks of Intelligence under Grant 2022B1212010001,and in part by the Shenzhen Key Laboratory of Big Data and Artificial Intelligence under Grant ZDSYS201707251409055.
This paper studies the fundamental limit of semantic communications over the discrete memoryless channel.We consider the scenario to send a semantic source consisting of an observation state and its corresponding sema...
关键词：Semantic communications semantic ratedistortion generative network Blahut-Arimoto algorithm 
Variable Bit Rate Fuzzy Control for Low Delay Video Coding
《ZTE Communications》2017年第2期55-65,共11页ZHONG Min ZHOU Yimin LUO Minke ZUO Wen 
supported by ZTE Industry-Academia-Research Cooperation Funds under Grant No.CON1503180004;the Postdoctoral Science Foundation of China under Gant No.2014M552342;the Foundation of Science and Technology Department of Sichuan Province,China under Grant No.2014GZ0005
Rate control plays a critical role in achieving perceivable video quality under a variable bit rate,limited buffer sizes and low delay applications.Since a rate control system exhibits non-linear and unpredictable cha...
关键词：rate CONTROL video coding fuzzy CONTROL bit PER PIXEL RATE-DISTORTION model 
A Rate-Distortion Model Based Frame .Layer Rate Control Algorithm for Stereoscopic Video Coding被引量：1
《Chinese Journal of Electronics》2012年第4期678-682,共5页WANG Qun ZHUO Li ZHANG Jing LI Xiaoguang 
This work is supported by Program for New Century Excellent Talents in University, the National Natural Science Foundation of China （No.61003289, No.61100212）, the Natural Science Foundation of Beijing （No.4102008）, the Excellent Science Program for the Returned Overseas Chinese Scholars of Ministry of Human Resources and Social Security of China, Scientific Research Foundation for the Returned Overseas Chinese Scholars of MOE.
Rate control plays an important role in video coding and transmission. In this paper, a novel rate-distortion model has first been proposed to characterize the coding characteristics of stereoscopic video coding, wher...
关键词：Stereoscopic video Video quality metric （VQM） Rate distortion model Rate control. 
Rate-distortion weighted SPIHT algorithm for interferometer data processing
《Journal of Systems Engineering and Electronics》2011年第4期547-556,共10页Jing Ma Jindong Fei Dong Chen 
As one of the next generation imaging spectrometers, the interferential spectrometer （iS） possesses the advantages of high throughput, multi-channel and great resolution. The data of IS are produced in the spatial d...
关键词：interferential spectrometer （IS） multi-spectrum compression set partitioning in hierarchical trees （SPIHT）. 
M3FEC:Joint Multiple Description Coding and Forward Error Correction for Interactive Multimedia in Multiple Path Transmission
《Tsinghua Science and Technology》2011年第3期320-331,共12页张辉 江伟 周晋 陈震 李军 
Supported by the National Natural Science Foundation of China(No.90718040);NEC Laboratories China (No.LC-2008-055)
The best-effort internet has inherent limitations on the end-to-end performance for interactive multimedia communications. This paper presents a multiple description coding （MDC） and forward error correction （FEC）...
关键词：interactive multimedia multiple path overlay routing multiple description coding （MDC） forward error correction （FEC） rate-distortion （R-D） 
H.264 Based Complexity Scalable Control Algorithm under Energy Constraints
《Chinese Journal of Electronics》2009年第4期639-644,共6页GAO Xuejuan GAO Xuejuan ZHUO Li ZHUO Li SHEN Lansun SHEN Lansun 
This work is supported by the National Natural Science Foundation of China （No.60772069）, the National High Technology Research and Development Program of China （No.2008AA01A313）.
In order to control the complexity of H.264 encoder, we first proposed two efficient Complexity allo- cation and control （CAC） algorithms for both intra and inter coding respectively, based on a new Rate-distortion-...
关键词：Complexity control Rate-distortion- complexity optimization （RDCO） Intra coding Inter cod- ing H.264. 
A Rate-distortion Based Quantization Level Adjustment Algorithm in Block-based Video Compression被引量：1
《Journal of Shanghai Jiaotong university(Science)》2009年第3期343-349,共7页蒋伟 王嘉 孙军 
the Special Foundation of Outstanding Young Teacher of Shanghai
In this paper, a rate-distortion based quantization level adjustment （RDQLA） algorithm is presented. Based on the rate-distortion criterion, the quantization level adjustment algorithm effectively improves coding ef...
关键词：RATE-DISTORTION QUANTIZATION DEAD-ZONE video standards 
A Novel Algorithm of Solving the Optimal Slope on Rate-distortion Curve for the Given Rate Budget
《Journal of Donghua University(English Edition)》2009年第3期259-263,共5页蒋伟 杨俊杰 
Special Foundation of Outstanding Young Teacher of Shanghai;Shanghai Educational Development Foundation,China (No.2007CG66);Shanghai Key Research Project,China ( No.071605125,No.08160510600);Innovation Program of Shanghai Municipal Education Commission,China(No.09ZZ185,No.09YZ337)
Rate-distortion optimization greatly improves the performance of compression coding system so that it pervades all of the source coding from an informationtheoretic standpoint and for the design of practical coding sy...
关键词：RATE-DISTORTION golden-ratio Lagrange multiplier method 
Novel Rate-Control Algorithm Based on TM5 Framework
《Wireless Sensor Network》2009年第3期182-188,共7页Zhongjie ZHU Yongqiang BAI Zhiyong DUAN Feng LIANG 
Rate control is a key technology in the fields of video coding and transmission, and it has attracted a great attention and has been studied extensively. The TM5 framework of MPEG-2 is a classical rate control algo-ri...
关键词：RATE Control TM5 TARGET BIT ALLOCATION RATE-DISTORTION Model 
Fragile video watermarking technique by motion field embedding with rate-distortion minimization被引量：6
《通讯和计算机（中英文版）》2009年第1期16-23,共8页KUO Tien-ying LO Yi-chung 
关键词：视频水印技术 计算机技术 安全技术 函数 
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