Apparatus and method for obtaining object-color component data

Details Apparatus and method for obtaining object-color component data Apparatus and method for obtaining object-color component data

2006-02-21

2006-02-21

Moe, Aung (Department: 2615)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S223100, C348S370000

Reexamination Certificate

active

07002624

ABSTRACT:
First image data is obtained by performing an image capturing operation with a flash and, subsequently, second image data is obtained by performing an image capturing operation without a flash. By using data of a differential image between the first and second image data and a relative spectral distribution of flash light, the spectrum reflectivity in a position on a subject corresponding to each pixel is obtained and object-color component data is acquired as data from which an influence of an illumination environment has been removed. On the other hand, illuminant component data indicative of spectral distributions of a plurality of illumination light are prepared. By combining arbitrary illuminant component data to the obtained object-color component data, an image with a different illumination environment can be reproduced.

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