Title :
Color reproduction test for CCD image sensors
Author_Institution :
Advantest Lab. Ltd., Otaru, Japan
Abstract :
A color reproduction test algorithm for CCD (charge-coupled-device) color image sensors has been developed. It quantifies color reproduction errors using white balanced images obtained by the CCD. In determining manufacturer-specific parameters, relative color sensitivity as a function of hue and pattern recognition sensitivity depending on position are obtained from the visual classification test by the test personnel. The test algorithm can easily implement these functions, and thus behaves, its behavior is similar to that of the visual test by the test personnel. The quantification is a good representation of human visual tests; a correlation coefficient of 0.8718 was attained
Keywords :
CCD image sensors; automatic testing; colour; computerised picture processing; electronic equipment testing; optical variables measurement; pattern recognition; CCD image sensors; color image sensors; color reproduction test algorithm; color sensitivity; colour camera; correlation coefficient; errors; hue; human visual tests; pattern recognition sensitivity; striped pattern; visual classification test; white balanced images; Cameras; Cathode ray tubes; Charge coupled devices; Charge-coupled image sensors; Laboratories; Optical filters; Pattern recognition; Personnel; Production; Testing;
Conference_Titel :
Test Conference, 1990. Proceedings., International
Conference_Location :
Washington, DC
Print_ISBN :
0-8186-9064-X
DOI :
10.1109/TEST.1990.114059
