Image analysis – Color image processing
Reexamination Certificate
2006-04-12
2008-12-16
Do, Anh Hong (Department: 2624)
Image analysis
Color image processing
C382S163000, C382S167000
Reexamination Certificate
active
07466856
ABSTRACT:
An image retrieval method and apparatus independent of an illumination change are provided. The image retrieval method involves: inputting a query image; detecting an illumination color from the query image and converting the illumination color into a standard illumination color; extracting color information of the query image by using color descriptors; and retrieving a similar image by comparing the extracted color information with color information of a database which converts a variety of images into images of standard illumination colors and extracts and stores the color information of the images in advance. According to the method, without changing the structures of color descriptors or a similarity comparison using color information, an image retrieval independent of illumination changes is enabled by adding only a preceding step of standard illumination conversion.
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Choi Yang-lim
Kim Chang-yeong
Kim Sang-kyun
Park Du-sik
Buchanan & Ingersoll & Rooney PC
Do Anh Hong
Samsung Electronics Co,. Ltd.
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