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Proceedings Paper

High-speed and high-dynamic range difference imaging based on the near-sensor image processing concept
Author(s): Anders Åström; Robert Forchheimer
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Paper 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.

Paper Details

Date Published: 27 January 2009
PDF: 8 pages
Proc. SPIE 7249, Sensors, Cameras, and Systems for Industrial/Scientific Applications X, 72490G (27 January 2009); doi: 10.1117/12.805713
Show Author Affiliations
Anders Åström, Combitech AB (Sweden)
Robert Forchheimer, Linköping Univ. (Sweden)

Published in SPIE Proceedings Vol. 7249:
Sensors, Cameras, and Systems for Industrial/Scientific Applications X
Erik Bodegom; Valérie Nguyen, Editor(s)

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