High-speed and high-dynamic range difference imaging based on the near-sensor image processing concept

Anders Åström; Robert Forchheimer

doi:10.1117/12.805713

27 January 2009 High-speed and high-dynamic range difference imaging based on the near-sensor image processing concept

Anders Åström, Robert Forchheimer

Proceedings Volume 7249, Sensors, Cameras, and Systems for Industrial/Scientific Applications X; 72490G (2009) https://doi.org/10.1117/12.805713
Event: IS&T/SPIE Electronic Imaging, 2009, San Jose, California, United States

Abstract

The paper describes the Near Sensor Image Processing (NSIP) paradigm developed in the early 1990s and shows that it was a precursor to recent architectures proposed for direct (in the sensor) image processing and high dynamic range (HDR) image sensing. Both of these architectures are based on the specific properties of CMOS light sensors, in particular the ability to continuously monitor the accumulation of photon-induced charge as a function of time. We further propose an extension of the original NSIP pixel to include a circuit that facilitates temporal and spatio-temporal processing.

Citation Download Citation

Anders Åström and Robert Forchheimer "High-speed and high-dynamic range difference imaging based on the near-sensor image processing concept", Proc. SPIE 7249, Sensors, Cameras, and Systems for Industrial/Scientific Applications X, 72490G (27 January 2009); https://doi.org/10.1117/12.805713

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