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Proceedings Paper

Column parallel vision system (CPV) for high-speed 2D image analysis
Author(s): Haruyoshi Toyoda; Naohisa Mukohzaka; Seiichiro Mizuno; Yoshihiro Nakabo; Masatoshi Ishikawa
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Paper Abstract

In order to overcome the limitation of the image processing speed of the conventional video camera system, we have designed and constructed a column parallel vision (CPV) system. The CPV system realizes an intelligent and general purpose image processing capability with higher frame rate within 1 millisecond (i.e. 1000 frames/s). The system mainly consists of three parts; a sensing unit, a parallel processing unit and a control unit. The sensing unit has a 128x128 photodiode (PD) array, 128-column parallel amplifier array and A/D converter array to achieve high-speed frame rate and has been integrated in a CMOS chip. The parallel processing unit is composed of fully 128x128 processing elements (PEs) to perform a real-time image processing. The control unit has functions of PD/PE control and interface to the host computer. We have confirmed that the CPV system can process general image processing functions within a few ten microseconds. We have also demonstrated that the system can be worked as a tracking system with high-speed feedback loop and have evaluated the accuracy of the position calculation for the desired target.

Paper Details

Date Published: 8 May 2001
PDF: 4 pages
Proc. SPIE 4416, Optical Engineering for Sensing and Nanotechnology (ICOSN 2001), (8 May 2001); doi: 10.1117/12.427061
Show Author Affiliations
Haruyoshi Toyoda, Hamamatsu Photonics K.K. (Japan)
Naohisa Mukohzaka, Hamamatsu Photonics K.K. (Japan)
Seiichiro Mizuno, Hamamatsu Photonics K.K. (Japan)
Yoshihiro Nakabo, Univ. of Tokyo (Japan)
Masatoshi Ishikawa, Univ. of Tokyo (Japan)

Published in SPIE Proceedings Vol. 4416:
Optical Engineering for Sensing and Nanotechnology (ICOSN 2001)
Koichi Iwata, Editor(s)

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