A parallel video signal processor, based on overlap save techniques

Author

Nishitani, Takao

Author_Institution

NEC Corp., Kawasaki, Japan

fYear

1988

fDate

25-27 May 1988

Firstpage

525

Lastpage

534

Abstract

A description is given of a parallel signal processor system with 500 megaoperations/s capability that has been developed for real-time motion-picture coding. The architecture is based on the spatial parallelism of a picture. Multiple-element processors handle subregional pictures simultaneously without communicating with other element processors. Due to an overlap-save technique, element processors can carry out continuous processing over one frame picture. To increase motion-picture-encoding efficiency, two kinds of custom LSIs with two-dimensional processing functions have been developed for element processor implementation. The processor can be used to evaluate low-bit-rate TV-signal-encoding algorithms

Keywords

computerised picture processing; parallel processing; real-time systems; signal processing equipment; video signals; 500 megaoperations/s; continuous processing; custom LSIs; low-bit-rate TV-signal-encoding algorithms; overlap-save technique; parallel video signal processor; real-time motion-picture coding; spatial parallelism; subregional pictures; Bit rate; Encoding; Motion compensation; Motion pictures; Process control; Signal processing; Signal processing algorithms; Signal sampling; Vector quantization; Video signal processing;

fLanguage

English

Publisher

ieee

Conference_Titel

Systolic Arrays, 1988., Proceedings of the International Conference on

Conference_Location

San Diego, CA

Print_ISBN

0-8186-8860-2

Type

conf

DOI

10.1109/ARRAYS.1988.18089

Filename

18089