Performance evaluation of two retina-like preprocessors for imaging detector arrays

Ronald G. Driggers; Dean A. Scribner; William R. Clayton

doi:10.1117/12.210571

30 May 1995 Performance evaluation of two retina-like preprocessors for imaging detector arrays

Ronald G. Driggers, Dean A. Scribner, William R. Clayton

Proceedings Volume 2474, Smart Focal Plane Arrays and Focal Plane Array Testing; (1995) https://doi.org/10.1117/12.210571
Event: SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, 1995, Orlando, FL, United States

Abstract

This research presents the performance evaluation of two retina-like preprocessors for imaging detector arrays. In particular, the preprocessors are an adaptive neural network gain and level controller and a temporal high pass filter. These preprocessors were developed by Scribner et. al. at the Naval Research Laboratory for the purpose of chip-level non uniformity correction associated with InfraRed Focal Plane Arrays. Three performance evaluations are described. The first evaluation involves the determination of a spatio-temporal steady state transfer function (very similar to Modulation Transfer Function). The second involves the processor reduction of fixed pattern noise. Finally, the processor is evaluated on its capacity to reduce temporal l/f noise. The performance of the preprocessors are compared and contrasted with a discussion of their advantages and disadvantages.

Citation Download Citation

Ronald G. Driggers, Dean A. Scribner, and William R. Clayton "Performance evaluation of two retina-like preprocessors for imaging detector arrays", Proc. SPIE 2474, Smart Focal Plane Arrays and Focal Plane Array Testing, (30 May 1995); https://doi.org/10.1117/12.210571

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KEYWORDS

Image processing

Spatial frequencies

Interference (communication)

Distortion

Staring arrays

Analytical research

Detector arrays

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