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IJAT Vol.5 No.3 pp. 445-451
doi: 10.20965/ijat.2011.p0445
(2011)

Paper:

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Development of a Low-Cost, High-Speed Stereo Vision System Using a CMOS Imager and DSP

Makoto Yamashita* and Noriaki Maru**

*Waso-Giken Inc., 579-1 Umehara, Wakayama, Wakayama 640-8550, Japan

**Faculty of Systems Engineering, Wakayama University, 930 Sakaedani, Wakayama, Wakayama 640-8510, Japan

Received:
October 13, 2010
Accepted:
January 21, 2011
Published:
May 5, 2011
Creative Commons License
Keywords:
high-speed stereo vision, CMOS imager, DSP, embeded use, low cost
Abstract
This article presents the development of a low-cost, high-speed stereo vision system for embedded use employing a mass-produced CMOS imager and a commercially available DSP. We use the system to acquire an image of 96×96 pixels in a period of 1 ms. We embed a read region movement control and a target track function into the system and successfully track a target point within a period of 3 ms. The difference between this high-speed stereo vision system and traditional ones lies in that this system is intended to be used even in a small-scale control system using a microcomputer. We limit the capacity of the image memory in which acquired pixel data is temporarily stored and performed real time processing. As a result, we eliminate frame memory and thus simplify its corresponding circuit. This allows the system to be reduced in size, power consumption, and cost, thereby making the system appropriate for embedded devices, batterypowered robots, and the like.
Cite this article as:
M. Yamashita and N. Maru, “Development of a Low-Cost, High-Speed Stereo Vision System Using a CMOS Imager and DSP,” Int. J. Automation Technol., Vol.5 No.3, pp. 445-451, 2011.
Data files:
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Last updated on Oct. 11, 2024