Digital still camera system for megapixel CCD

Author

Nakano, Norihiko ; Nishimura, Ryuji ; Sai, Hirotomo ; Nishizawa, Akihito ; Komatsu, Hiroyuki

Author_Institution

Multimedia Syst. R&D Div., Hitachi Ltd., Yokohama, Japan

Volume

44

Issue

3

fYear

1998

fDate

8/1/1998 12:00:00 AM

Firstpage

581

Lastpage

586

Abstract

We have developed a digital still camera system processing images by a combination of hardware and software to meet the demand of both high speed and flexibility. The system is capable of supporting CCDs with image size from VGA (640×480) to SXGA (1280×960), progressive and interlaced type scanning, and color filters of primary RGB and complementary MGCY signals. The still image processing time for YUV conversion is completed in approximately one frame for the progressive scan type CCD

Keywords

CCD image sensors; application specific integrated circuits; cameras; digital signal processing chips; image processing; large scale integration; microprocessor chips; reduced instruction set computing; 0.35 micron; 1228800 pixel; 1280 pixel; 307200 pixel; 480 pixel; 640 pixel; 960 pixel; ASIC; DSP; LSI; RISC; SXGA; VGA; YUV conversion; color filters; complementary MGCY signals; digital still camera system; firmware; hardware; high speed; image processing; image size; interlaced scanning; megapixel CCD; microprocessor; primary RGB signals; progressive scan type CCD; progressive scanning; software; still image processing time; Charge coupled devices; Charge-coupled image sensors; Digital cameras; Digital signal processing; Hardware; Image processing; Monitoring; Random access memory; Signal generators; Signal processing algorithms;

fLanguage

English

Journal_Title

Consumer Electronics, IEEE Transactions on

Publisher

ieee

ISSN

0098-3063

Type

jour

DOI

10.1109/30.713166

Filename

713166