출력옵셋의 제거기능을 가지는 윤곽 및 움직임 검출용 시각칩
Vision Chip for Edge and Motion Detection with a Function of Output Offset Cancellation
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Abstract
With a remarkable advance in CMOS (complimentary metal-oxide-semiconductor) process technology, a variety ofvision sensors with signal processing circuits for complicated functions are actively being developed. Especially, as theprinciples of signal processing in human retina have been revealed, a series of vision chips imitating human retina havebeen reported. Human retina is able to detect the edge and motion of an object effectively. The edge detection amongthe several functions of the retina is accomplished by the cells called photoreceptor, horizontal cell and bipolar cell. Wedesigned a CMOS vision chip by modeling cells of the retina as hardwares involved in edge and motion detection. Thedesigned vision chip was fabricated using 0.6mm CMOS process and the characteristics were measured. Having reliableoutput characteristics, this chip can be used at the input stage for many applications, like targe tracking system, fingerprintrecognition system, human-friendly robot system and etc..
참고문헌 (8)
- "Vision Chips or Seeing Silicon" (1997)
- "Analog integrated circuits for edge detection with local adaptation", pp.65~66 (1999)
- "Design and fabrication of 8' 8 foveated CMOS retina chip for edge detection", 10, pp.91~100 (2001)
- "and J. K. Shin Design and Fabrication of 32 ？ 32 foveated CMOS retina chip for edge detection with local-light adaptation", 11, pp.84~92 (2002)
- "Design of a vision chip for edge detection with an elimination function of output offset due to MOSFET mismatch", 11, pp.255~262 (2002)
- "Design of analog CMOS vision chip for edge detection with low power consumption", 12, pp.231~240 (2003)
- "A silicon model of early visual processing", 1, pp.91~97 (1988)
- "Analog VLSI phototransduction by continuous", 30, pp.1~23 (1994)