Column parallel vision system: CPV

Naohisa Mukozaka; Haruyoshi Toyoda; Seiichiro Mizuno; Ming Hsien Wu; Yoshihiro Nakabo; Masatoshi Ishikawa

doi:10.1117/12.463438

24 April 2002 Column parallel vision system: CPV

Naohisa Mukozaka, Haruyoshi Toyoda, Seiichiro Mizuno, Ming Hsien Wu, Yoshihiro Nakabo, Masatoshi Ishikawa

Author Affiliations +

Proceedings Volume 4669, Sensors and Camera Systems for Scientific, Industrial, and Digital Photography Applications III; (2002) https://doi.org/10.1117/12.463438
Event: Electronic Imaging, 2002, San Jose, California, United States

Abstract

We have designed and constructed a column parallel vision (CPV) system to realize an intelligent and general purpose image processing system with higher frame rate within 1 millisecond. The system consists of an original designed photo detector array (PDA) with high frame rate, a parallel processing unit with fully parallel processing elements (PEs), and a controller for PDA and PEs. The column parallel architecture enables the PDA 1 millisecond frame rate with 256 analog levels which is required for industrial image processing and measurements. The parallel processing unit has been fabricated by using FPGAs and has 128 X 128 PEs to perform the fully parallel image processing. The PEs have the S³PE architecture which has SIMD type parallel processing flow, and was constructed only 500 transistors suitable for integration in future. Since the PEs are operated by control signal from the controller, we can achieve desired image processing task to the system by changing the software. We have demonstrated that the system can be worked as a tracking system. The experimental results show the system was realized high speed feedback loop as 1000 frame/s including the tracking operation with noise reduction, matching (self-window algorithm) and moment calculation.

Citation Download Citation

Naohisa Mukozaka, Haruyoshi Toyoda, Seiichiro Mizuno, Ming Hsien Wu, Yoshihiro Nakabo, and Masatoshi Ishikawa "Column parallel vision system: CPV", Proc. SPIE 4669, Sensors and Camera Systems for Scientific, Industrial, and Digital Photography Applications III, (24 April 2002); https://doi.org/10.1117/12.463438

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