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In-Pixel Edge Detection Circuit without Non-uniformity Correction for an Infrared Focal Plane Array (IRFPA)

Chul Bum KIM, Doo Hyung WOO, Yong Soo LEE, Hee Chul LEE

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Summary :

For real time image processing, a readout circuit for an infrared focal plane array (IRFPA) involving a new edge detection technique has been proposed in this letter. A non-uniformity correction unit (NUC), essential in an IRFPA because of bad non-uniformity characteristics of IR sensors is eliminated in this circuit by using a noise tolerant edge detection technique. In addition, real time edge detection can be possible, because of pixel-level integration and parallel processing. The proposed readout circuit shows an approximately three to nine times better edge error rate than other available methods using pixel-level parallel processing.

Publication
IEICE TRANSACTIONS on Electronics Vol.E91-C No.2 pp.235-239
Publication Date
2008/02/01
Publicized
Online ISSN
1745-1353
DOI
10.1093/ietele/e91-c.2.235
Type of Manuscript
LETTER
Category
Electronic Circuits

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