Cross-talk explained

The image sensor measurements are subject to degradation caused by the photon and electron leakage. The color image data acquired via a spatial subsampling procedure implemented as a color filter array is especially vulnerable to the ambiguation between neighboring pixels that measure different port...

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Bibliographic Details
Published in2008 15th IEEE International Conference on Image Processing pp. 677 - 680
Main Author Hirakawa, K.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.10.2008
Subjects
color correction
color image sensors
color measurement
cross-talk
Degradation
Digital cameras
Digital filters
Electronics industry
Electrons
Image color analysis
Image sensors
Optoelectronic and photonic sensors
Pixel
Sensor phenomena and characterization
spatio-spectral sampling
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ISBN9781424417650
1424417651
ISSN1522-4880
DOI10.1109/ICIP.2008.4711845

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Summary:The image sensor measurements are subject to degradation caused by the photon and electron leakage. The color image data acquired via a spatial subsampling procedure implemented as a color filter array is especially vulnerable to the ambiguation between neighboring pixels that measure different portions of the visible spectrum. This so-called "cross-talk" phenomenon is expected to become more severe as the electronics industry's trend to shrink the device footprint continues because the pixel sensors are more densely packed together. We show that an analysis of the mechanism underlying the cross-talk problem is surprisingly straightforward. Our comprehensive analysis admits a simple and effective color correction scheme for a given choice of color filter array in a digital camera.
ISBN:9781424417650
1424417651
ISSN:1522-4880
DOI:10.1109/ICIP.2008.4711845