Title :
Flexible video compression systems using an analog vector quantization chip
Author :
Rovetta, S. ; Zunino, R.
Author_Institution :
Dept. of Biophys. & Electron. Eng., Genoa Univ., Italy
Abstract :
Vector quantization systems are usually based on digital implementation of the core operations. In this paper, video compression systems exploiting an analog implementation of vector quantization are presented. The main advantages of analog design are exploited, obtaining notable performances when compared to other solutions found in the literature. The circuit features a very modular, completely parallel internal architecture. Many circuits can be easily connected to obtain a larger codebook size and a larger vector dimension. Synthesis of codebooks is also described
Keywords :
VLSI; analogue integrated circuits; analogue processing circuits; parallel architectures; vector quantisation; video coding; VQ; analog VLSI; analog design; analog vector quantization chip; codebook size; codebook synthesis; core operations; digital implementation; modular circuit; parallel internal architecture; performance; vector dimension; video compression systems; Bit rate; Circuit synthesis; Decoding; Image coding; Image retrieval; Table lookup; Transform coding; Vector quantization; Very large scale integration; Video compression;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 1999. Proceedings., 1999 IEEE International Conference on
Conference_Location :
Phoenix, AZ
Print_ISBN :
0-7803-5041-3
DOI :
10.1109/ICASSP.1999.758305