Finite state vector quantization with an interleaved image source designed for reconstruction of lost packets
- 13 January 2003
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- p. 1894-1897
- https://doi.org/10.1109/icassp.1989.266824
Abstract
A novel interleaved-source finite-state vector quantizer (ISFSVQ) has been devised. It is a vector quantizer with memory, quite robust to packet loss. ISFSVQ assures access to a large codebook for quantizing purposes, thus achieving high image quality, while utilizing the low bit rate of a small codebook for the purpose of specifying the block label. Its main advantage, compared to other finite state algorithms, is that it requires a lookup table of small size and modest complexity. ISFSVQ results in high image quality upon image reconstruction at coding bit rates of 0.25-0.35 bits/pixel. An overall reduction in bit rate of about 0.3 bits/pixel has been achieved, compared to direct VQ, at no significant cost in image quality for many types of applications Author(s) Manikopoulos, C. Dept. of Electr. Eng., New Jersey Inst. of Technol., Newark, NJ, USA Sun, H.Keywords
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