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A multi-DSP architecture for real-time lattice quantization indexing

Abstract : In image compression applications, the choice of a method is often linked to its computational complexity and storage cost. Lattice vector quantization (LVQ) is very fast and does not require the construction of the codebook like LBG-based algorithms. This particularity is very attractive for low bit rate applications. However, LVQ indexing is a key problem for transmission and storage purposes. We recently proposed a new indexing algorithm that provides a good tradeoff between computational complexity and storage requirements. This paper is concerned with the design of a specific multi-DSP architecture for this new method in a real time and low bit rate coding context.
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Contributor : Marc Antonini <>
Submitted on : Thursday, May 26, 2016 - 5:34:25 PM
Last modification on : Friday, October 23, 2020 - 8:38:05 AM




Jean-Marie Moureaux, Patrice Nus, Marc Antonini. A multi-DSP architecture for real-time lattice quantization indexing. Journal of Electronic Imaging, SPIE and IS&T, 1998, 7 (3), pp.495-501. ⟨10.1117/1.482592⟩. ⟨hal-01322218⟩



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