Characterization And Correction Of Image Acquisition System Response For Machine Vision

Jay McClellan

doi:10.1117/12.969840

1 April 1990 Characterization And Correction Of Image Acquisition System Response For Machine Vision

Jay McClellan

Proceedings Volume 1194, Optics, Illumination, and Image Sensing for Machine Vision IV; (1990) https://doi.org/10.1117/12.969840
Event: 1989 Symposium on Visual Communications, Image Processing, and Intelligent Robotics Systems, 1989, Philadelphia, PA, United States

Abstract

Non-ideal characteristics of image acquisition systems are discussed. A model is formulated which describes the behavior of an image acquisition system, including effects of the camera, lens and frame grabber. Procedures for measuring the model parameters are developed. A procedure for inverting the model to obtain luminance measurements from frame-grabber values is given, along with a discussion of its limitations. This image correction procedure is tested for two solid-state cameras, and the results are analyzed. System noise measurements provide estimates of the reliability of the results, and the effects of averaging succesive frames to reduce the effects of noise are discussed.

Citation Download Citation

Jay McClellan "Characterization And Correction Of Image Acquisition System Response For Machine Vision", Proc. SPIE 1194, Optics, Illumination, and Image Sensing for Machine Vision IV, (1 April 1990); https://doi.org/10.1117/12.969840

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