17 June 1996 Principles of Z-plane technology and on-sensor processing for photoelectric structures with memory
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Novel integrated intelligent videosensor and its possible application using on-FPA real-time parallel processing are discussed. This solid-state single-chip sensor is photoelectric structure with memory (PESM), which consists of semiconductor, insulator and metal layers, wherein optical information are detected, recorded and stored in the form of 2D charge and potential patterns, and then processed due to internal interaction of these patterns in a normal direction to the input plane. Thus, such Z-plane technology allows the PESM to operate as multifunctional device utilizing massively parallel processing with high effective operational speed (up to 1014 operation/bit/s) without additional electronic and computing units. Except reading, writing and storing, PESM performs such parallel image processing as summation, subtraction, contouring, convolution and correlation, which may be effectively applied to numerous tasks of diverse optoelectronic systems. Two image operations--subtraction and correlation, which seems to us of high importance, are demonstrated as an example of the PESM performance. It allows one to solve in a real time the main problems concerned with background subtraction, moving object selection, target tracking and pointing, recognition of extended objects and so on. As we suppose, the possible applications of the PESM as an intellectual `supersensor', which combines a high-quality imager and a high-capacity multifunctional processor, would provide substantially lower prime cost of the designed systems in comparison with the now-existing ones and may be widely extended.
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Sergey L. Vinogradov, Sergey L. Vinogradov, Vitaly E. Shubin, Vitaly E. Shubin, "Principles of Z-plane technology and on-sensor processing for photoelectric structures with memory", Proc. SPIE 2746, Infrared Detectors and Focal Plane Arrays IV, (17 June 1996); doi: 10.1117/12.243044; https://doi.org/10.1117/12.243044

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