نتایج جستجو برای: robust distributed source coding
تعداد نتایج: 964140 فیلتر نتایج به سال:
In this article, we propose a distributed joint source-channel coding (DJSCC) technique that well exploits source-relay correlation as well as source memory structure simultaneously for transmitting binary Markov sources in a one-way relay system. The relay only extracts and forwards the source message to the destination, which implies imperfect decoding at the relay. The probability of errors ...
Network coding allows the routers to mix the information content in packets before forwarding them. This mixing has been theoretically proven to maximize network throughput [1, 44, 40, 29]. For multicast communications it can be done in a distributed manner with low complexity, and is robust to packet losses and network failures [24, 46]. Furthermore, recent implementations of network coding fo...
This paper deals with the application of distributed source coding (DSC) theory to remote sensing image compression. Although DSC exhibits a significant potential in many application fields, up till now the results obtained on real signals fall short of the theoretical bounds, and often impose additional system-level constraints. The objective of this paper is to assess the potential of DSC for...
Since intensive wireless sensor networks have a lot of redundant information deficiencies, this paper applies clustering wireless sensor networks, distributed source coding algorithm discussed analysis. This algorithm initial reference source as side information source through a correlation between all sources to determine the coding sequence for the reference signal source, and, after the sour...
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Wireless Sensor Networks (WSN) have become a very interesting area for researchers. WSN is a network of small devices called sensors which sense the physical entity from the surrounding and convey the same to a central entity called the Base Station (BS). Sensor nodes are powered by batteries. As WSNs are generally deployed in hostile environments, recharging or replacement of the batteries is ...
This paper considers Bose-Chaudhuri-Hocquenghem (BCH) codes for distributed source coding. A feedback channel is employed to adapt the rate of the code during the decoding process. The focus is on codes with short block lengths for independently coding a binary source X and decoding it given its correlated side information Y. The proposed codes have been analyzed in a high-correlation scenario,...
We aim at developing a streamlined genome sequence compression algorithm to support alternative miniaturized sequencing devices, which have limited communication, storage, and computation power. Existing techniques that require heavy client (encoder side) cannot be applied. To tackle this challenge, we carefully examined distributed source coding theory and developed a customized reference-base...
A wavelet−based video coder built on the principles of distributed source coding is described. The encoder employs a syndrome−based encoding strategy for intercoded coefficients while other coefficients are intracoded using an embedded wavelet−based coder designed for the coding of arbitrarily shaped image objects. The decoder uses a reference frame in the domain of a redundant wavelet transfor...
Distributed Video Coding (DVC) is a new video coding paradigm which has the ability to shift coding complexity from encoder to decoder. State-of-art DVC schemes are mainly based on two-source correlation model and only one correlation channel between side information and wyner-ziv frame is considered. In this paper, multiple-source correlation model is introduced into a famous DVC scheme, namel...
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