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Titolo:
A single-chip CMOS APS camera with direct frame difference output
Autore:
Ma, SY; Chen, LG;
Indirizzi:
Natl Taiwan Univ, Dept Elect Engn, Taipei 106, Taiwan Natl Taiwan Univ Taipei Taiwan 106 , Dept Elect Engn, Taipei 106, Taiwan
Titolo Testata:
IEEE JOURNAL OF SOLID-STATE CIRCUITS
fascicolo: 10, volume: 34, anno: 1999,
pagine: 1415 - 1418
SICI:
0018-9200(199910)34:10<1415:ASCACW>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
IMAGE;
Keywords:
active pixel sensor; camera; CMOS imager; frame difference; motion detection;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
--discip_EC--
Citazioni:
15
Recensione:
Indirizzi per estratti:
Indirizzo: Ma, SY Natl Taiwan Univ, Dept Elect Engn, Taipei 106, Taiwan Natl Taiwan Univ Taipei Taiwan 106 Elect Engn, Taipei 106, Taiwan
Citazione:
S.Y. Ma e L.G. Chen, "A single-chip CMOS APS camera with direct frame difference output", IEEE J SOLI, 34(10), 1999, pp. 1415-1418

Abstract

A complementary metal-oxide-semiconductor (CMOS) active pixel sensor (APS)camera chip with direct frame difference output is reported in this paper. The proposed APS cell circuit has in-pixel storage for previous frame image data so that the current frame image and the previous frame image can be read out simultaneously in differential mode. The signal swing of the pixelcircuit is maximized for low supply voltage operation, The pixel circuit occupies 32.2 x 32.2 mu m of chip area with a fill factor of 33%. A 128 x 96element prototype camera chip with an on-chip 8-bit analog-to-digital converter has been fabricated in a 0.5-mu m double-poly double-metal CMOS process and successfully tested. The camera chip consumes 56 mW at 30 frames/s with 3.3 V power supply.

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Documento generato il 04/04/20 alle ore 03:00:18