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Proceedings Paper

Spatial frequency response of color image sensors: Bayer color filters and Foveon X3
Author(s): Paul M. Hubel; John Liu; Rudolph J. Guttosch
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Paper Abstract

We compared the Spatial Frequency Response (SFR) of image sensors that use the Bayer color filter pattern and Foveon X3 technology for color image capture. Sensors for both consumer and professional cameras were tested. The results show that the SFR for Foveon X3 sensors is up to 2.4x better. In addition to the standard SFR method, we also applied the SFR method using a red/blue edge. In this case, the X3 SFR was 3-5x higher than that for Bayer filter pattern devices.

Paper Details

Date Published: 7 June 2004
PDF: 6 pages
Proc. SPIE 5301, Sensors and Camera Systems for Scientific, Industrial, and Digital Photography Applications V, (7 June 2004); doi: 10.1117/12.561568
Show Author Affiliations
Paul M. Hubel, Foveon, Inc. (United States)
John Liu, Foveon, Inc. (United States)
Rudolph J. Guttosch, Foveon, Inc. (United States)


Published in SPIE Proceedings Vol. 5301:
Sensors and Camera Systems for Scientific, Industrial, and Digital Photography Applications V
Nitin Sampat; Morley M. Blouke; Ricardo J. Motta, Editor(s)

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