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检索条件"主题词=joint source-channel coding"
621 条 记 录,以下是241-250 订阅
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Optimal overcomplete subband expansions for multiple description coding
Optimal overcomplete subband expansions for multiple descrip...
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Conference on Wavelet Applications in Signal and Image Processing VIII
作者: Mehrotra, S Microsoft Corp Redmond WA 98052 USA
We study the use of overcomplete (also known as oversampled) subband expansions for multiple description coding. The system proposed uses an overcomplete subband expansion (a subband expansion in which the number of s... 详细信息
来源: 评论
Adaptive joint H.263-channel coding for memoryless binary channels
Adaptive joint H.263-channel coding for memoryless binary ch...
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13th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications
作者: Navarro, A Tavares, J Univ Aveiro Inst Telecommun P-3810 Aveiro Portugal
The main purpose of this paper is to show that once the video source coding is dependent on the channel characteristics, better performance can be achieved in terms of reconstructed video quality. Our study considers ... 详细信息
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Dynamic rate allocation with variable quantization in multi-sensor Wyner-Ziv video coding systems
Dynamic rate allocation with variable quantization in multi-...
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3rd IEEE International Symposium on Control, Communications and Signal Processing (ISCCSP 2008)
作者: Yaacoub, C. Farah, J. Pesquet-Popescu, B. Holy Spirit Univ Kaslik Fac Sci & Comp Engn Jounieh Lebanon Ecole Natl Super Telecommun Bretagne Dept Signal & Image Proc Paris France
In this paper, we present a novel algorithm for dynamic quantization in distributed Wyner-Ziv video coding. In contrast with previous work where the quantization parameter is fixed and a feedback channel is used, our ... 详细信息
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A Linear Feedback coding Scheme for Computation Over Gaussian Multiple-Access channels
A Linear Feedback Coding Scheme for Computation Over Gaussia...
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IEEE International Symposium on Information Theory (ISIT)
作者: Dai, Bin Cheng, Fan Yang, Yuhan Xia, Dengfeng Southwest Jiaotong Univ Sch Informat Sci & Technol Chengdu 610031 Peoples R China Chongqing Key Lab Mobile Commun Technol Chongqing 400065 Peoples R China Southwest Jiaotong Univ Prov Key Lab Informat Coding & Transmiss Chengdu 611756 Peoples R China Shanghai Jiao Tong Univ Dept Comp Sci & Engn Shanghai 200241 Peoples R China
The problem of reliably reconstructing a function of sources over a multiple-access channel (MAC) is revisited by considering channel feedback. First, a linear feedback scheme is proposed to compute the average of the... 详细信息
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UNEQUAL LOSS-PROTECTED MULTIPLE DESCRIPTION coding OF SCALABLE source STREAMS USING A PROGRESSIVE APPROACH
UNEQUAL LOSS-PROTECTED MULTIPLE DESCRIPTION CODING OF SCALAB...
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16th IEEE International Conference on Image Processing
作者: Ardestani, Majid R. Aminlou, Alireza Shirazi, Ali Asghar Beheshti Iran Univ Sci & Technol Dept Elect Engn Tehran Iran Univ Tehran Dept Elect & Comp Engn Tehran Iran
An analysis-based approach for unequal loss-protected multiple description coding (packetization) of the scalable (prioritized / progressive) source code streams is proposed. For a given number of packets (description... 详细信息
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On Separation of source and channel coding in the Finite Block Length Regime
On Separation of Source and Channel Coding in the Finite Blo...
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13th Canadian Workshop on Information Theory (CWIT)
作者: Ho, James Meng, Jin Yang, En-hui Univ Waterloo Dept Elect & Comp Engn Waterloo ON N2L 3G1 Canada
This paper investigates the validity of Shannon's separation theorem in the finite block length regime. Under optimal tradeoffs between source rate and channel block error probability obtained from finite block le... 详细信息
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Minimum Distortion Network Code Design for source coding Over Noisy channels
Minimum Distortion Network Code Design for Source Coding Ove...
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19th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications
作者: Park, Moonseo Kim, Seong-Lyun Yonsei Univ Sch Elect & Elect Engn Radio Resource Management & Optimizat Lab Seoul 120749 South Korea
The XOR network code is widely used in the conventional network coding. However, when the channel is noisy, the XOR code is suboptimal in terms of minimizing distortion in the source signal. We propose to use a new ne... 详细信息
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joint source and space-time block coding for MIMO video communications
Joint source and space-time block coding for MIMO video comm...
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60th IEEE Vehicular Technology Conference
作者: Lin, S Stefanov, A Wang, Y Polytech Univ Dept Elect & Comp Engn Brooklyn NY 11201 USA
The problem of efficient video communications over MIMO wireless systems is of great significance, due to the high capacity of the multiple antenna system. The high data rates provided by the MIMO system can be traded... 详细信息
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Adaptive coding for Two-Way Lossy source-channel Communication
Adaptive Coding for Two-Way Lossy Source-Channel Communicati...
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IEEE International Symposium on Information Theory (ISIT)
作者: Weng, Jian-Jia Alajaji, Fady Linder, Tamas Queens Univ Dept Math & Stat Kingston ON K7L 3N6 Canada
An adaptive joint source-channel coding (JSCC) scheme is presented for transmitting correlated sources over discrete-memoryless two-way channels subject to distortion constraints. The proposed JSCC scheme makes use of... 详细信息
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ANALOG MULTIPLE DESCRIPTIONS: A ZERO-DELAY source-channel coding APPROACH  41
ANALOG MULTIPLE DESCRIPTIONS: A ZERO-DELAY SOURCE-CHANNEL CO...
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41st IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
作者: Mehmetoglu, Mustafa Said Akyol, Emrah Rose, Kenneth Univ Calif Santa Barbara Elect & Comp Engn Santa Barbara CA 93106 USA Univ Illinois Coordinated Sci Lab Urbana IL 61801 USA
This paper extends the well-known source coding problem of multiple descriptions, in its general and basic setting, to analog source-channel coding scenarios. Encoding-decoding functions that optimally map between the... 详细信息
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