Multiple description lattice vector quantization using multiple A(4) quantizers

作者：Akhtarkavan Ehsan^*; Salleh M F M

来源：IEICE Electronics Express, 2010, 7(17): 1233-1239.

DOI：10.1587/elex.7.1233

• Lattice Vector Quantization (LVQ)
• Multiple Description (MD) coding
• wavelet transforms

This paper presents a new Multiple Description Lattice Vector Quantization (MDLVQ) based on A(4) lattice quantizers for multiple description coding abbreviated as MDLVQ-A(4). The Coinciding similar A(4) sublattices are used to quantize the input stream for multiple description coding system. The use of multiple coinciding quantizers eliminates the labeling function of the traditional schemes. Experimental results of MDLVQ-A(4) scheme for image coding show a higher performance in terms of PSNR of the side decoders as compared to the renowned techniques of image coding for several test images.

• 出版日期2010-9-10