High-speed high-resolution color line scan camera for machine vision

David J. Litwiller; Mike Miethig; Brian C. Doody; P. Tom Jenkins

doi:10.1117/12.144786

20 May 1993 High-speed high-resolution color line scan camera for machine vision

David J. Litwiller, Mike Miethig, Brian C. Doody, P. Tom Jenkins

Proceedings Volume 1901, Cameras, Scanners, and Image Acquisition Systems; (1993) https://doi.org/10.1117/12.144786
Event: IS&T/SPIE's Symposium on Electronic Imaging: Science and Technology, 1993, San Jose, CA, United States

Abstract

A color line scan camera is described in this paper which has three separate but simultaneous scans of Red, Green and Blue color with high resolution. Unlike previous cameras designed for color use in machine vision, this camera has high resolution per color (2098 pixels) without any non sensitive regions. This is achieved by employing a sensor which has three separate linear arrays integrated onto one chip with a different color filter over each linear array. The scan time between each color scan is equivalent to 8 scan lines. The camera produces an output per color which is digitized to 8 bits of grey scale at a total maximum speed of 30 MHz. This information can be obtained in a 24 bit wide format or the color outputs can be recombined in the camera so that each pixel is provided with three serial 8 bit values for each color. The camera is interfaced to a frame grabber which can correct for the line delay and provide display and analysis.

Citation Download Citation

David J. Litwiller, Mike Miethig, Brian C. Doody, and P. Tom Jenkins "High-speed high-resolution color line scan camera for machine vision", Proc. SPIE 1901, Cameras, Scanners, and Image Acquisition Systems, (20 May 1993); https://doi.org/10.1117/12.144786

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