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检索条件"主题词=joint source and channel coding"
57 条 记 录,以下是51-60 订阅
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Power-minimized bit allocation for video communication over wireless channels
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IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY 2002年 第6期12卷 398-410页
作者: Zhang, Q Ji, Z Zhu, WW Zhang, YQ Microsoft Res Asia Wireless & Networking Grp Beijing 100080 Peoples R China
Video communication over wireless links using handheld devices is a challenging task due to the time-varying characteristics of the wireless channels and limited battery resources. Rate-distortion (R-D) analysis plays... 详细信息
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Qos-guarantee error control for scalable image over wireless fading channel
Qos-guarantee error control for scalable image over wireless...
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Conference on Visual Communications and Image Processing 2002
作者: Wang, GJ Lin, XG Tsinghua Univ Dept Elect Engn Beijing 100084 Peoples R China
With the emerging of the third generation (3G) wireless technology, digital media, like image and video, over wireless channel becomes more and more demanding. In this paper, the measure metrics for the wireless image... 详细信息
来源: 评论
joint channel estimation and coding for robust progressive image transmissions in fading multipath wireless channels
Joint channel estimation and coding for robust progressive i...
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Conference on Advanced Signal Processing Algorithms, Architectures, and Implementations XI
作者: Wang, XW Song, J Liu, KJR Agere Syst Murray Hill NJ 07974 USA
Multicarrier modulation (MCM) with diversity is a promising technique for multimedia communications over fading multipath wireless channels. In this work, we first investigate the channel estimation problem for the MC... 详细信息
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Parallel concatenated codes with unequal error protection
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IEEE TRANSACTIONS ON COMMUNICATIONS 1998年 第5期46卷 565-567页
作者: Caire, G Biglieri, E Politecn Torino Dipartimento Elettr I-10129 Turin Italy
In this letter we show how parallel concatenated codes (PCC's, also known as "turbo codes") can be endowed with unequal error protection (UEP). Given the two component encoders of the PCC encoder and the... 详细信息
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Analog error-correcting codes based on chaotic dynamical systems
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IEEE TRANSACTIONS ON COMMUNICATIONS 1998年 第7期46卷 881-890页
作者: Chen, B Wornell, GW MIT Dept Elect Engn & Comp Sci Cambridge MA 02139 USA MIT Elect Res Lab Cambridge MA 02139 USA
The properties of chaotic dynamical systems make them useful for channel coding in a variety of practical communication applications. To illustrate this, a novel analog code based on tent map dynamics and having a fas... 详细信息
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A temporal error concealment technique for I-pictures in an MPEG-2 video-decoder
A temporal error concealment technique for I-pictures in an ...
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Visual Communications and Image Processing 1998 Conference
作者: Aign, S DLR German Aerosp Ctr Inst Commun Technol D-82234 Oberpfaffenhofen Germany
For digital broadcasting of TV-signals over various transmission media like satellite, cable, and terrestrial channels, the MPEG-2 video source coding algorithm will be considered. Since the video-signal is very sensi... 详细信息
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joint source AND channel TRELLIS coding OF LINE SPECTRUM PAIR PARAMETERS
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SPEECH COMMUNICATION 1992年 第2-3期11卷 149-158页
作者: SECKER, P PERKIS, A NORWEGIAN INST TECHNOL DIV TELECOMMUN N-7034 TRONDHEIM NORWAY
An innovative method of coding Line Spectrum Pair (LSP) parameters for transmission over noisy channels is presented. Typically, low bit-rate speech coders use these parameters to convey perceptually important spectra... 详细信息
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