Title :
A VQ Algorithm Based on Novel Codebook and VLSI Architecture
Author :
Dong-fang, WANG ; Yu-min, LIAO ; Ning-Mei, Yu
Author_Institution :
Xi´´an Univ. of Technol., Xi´´an
Abstract :
A vector quantization (VQ) algorithm based on rotating compressed codebook is proposed. Compare with the typical vector quantization algorithm, the algorithm decreases 75% memory size and 75% input codebook bandwidth. The VLSI architecture for the algorithm was designed, and parallel pipeline was employed in the critical unit. The architecture was verified in FPGA, operation rate of the whole system can achieve 87.35 MHz. It can support real time application of 512times512 at 30 fps when the operation rate is 55 MHz.
Keywords :
VLSI; field programmable gate arrays; image coding; integrated circuit design; integrated logic circuits; integrated memory circuits; logic design; pipeline processing; vector quantisation; FPGA; VLSI architecture; image coding; parallel pipeline architecture; rotating compressed codebook; vector quantization algorithm; Algorithm design and analysis; Bandwidth; Hardware; Image coding; Image reconstruction; PSNR; Pipelines; Testing; Vector quantization; Very large scale integration;
Conference_Titel :
Integrated Circuits, 2007. ISIC '07. International Symposium on
Conference_Location :
Singapore
Print_ISBN :
978-1-4244-0797-2
Electronic_ISBN :
978-1-4244-0797-2
DOI :
10.1109/ISICIR.2007.4441839
