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An error-resilient image coding and fixed-length packetization scheme is presented to prevent packet loss from packet-switched networks. A wavelet coder based on set partition in hierarchy trees (SPIHT) algorithm encodes the wavelet coefficients into an embedded bitstream along with markers generated to record the order of bits within the bitstream. A fixed-length packetization scheme based on the...
In this paper, a novel SAR image compression scheme based on adaptive vector quantization and speckle noise suppression in the wavelet domain is presented. The proposed method consists of an edge-preserving speckle noise suppression algorithm followed by an enhanced adaptive vector quantization using Gold-Washing (GW-AVQ) dynamic codebook-refining mechanism to encode the image data. Weighted vector...
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