Color space quantization descriptor structure

Details Color space quantization descriptor structure Color space quantization descriptor structure

2005-02-01

2005-02-01

Mehta, Bhavesh M. (Department: 2625)

Image analysis

Color image processing

C165S209000, C165S251000, C348S422100, C348S027000

Reexamination Certificate

active

06850639

ABSTRACT:
The present invention relates to a color space quantization descriptor structure for performing quantization of a color space in order to search a multimedia based on contents when multimedia feature information is color information, particularly when the multimedia feature information is the color information and the search is about a moving image or a still image, the color space quantization descriptor structure according to the present invention has a tree structure divided into a plurality steps of superior color spaces and subordinate color spaces, and the tree structure recursively comprises a plurality of subordinate color spaces. Accordingly, the present invention can improve performance of a still image and a moving image search apparatus, perform the quantization of a n dimensional color space such as a H, S, V, RGB, HMMD color space etc., and perform the different step quantization corresponding to each feature.

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