Invention Patent
- Patent Title: Texture description method and texture-based retrieval method in frequency domain.
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Application No.: HK01107215Application Date: 2001-10-15
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Publication No.: HK1036660A1Publication Date: 2002-01-11
- Inventor: KIM JIN WOONG , YOU KI WON , KIM MUNCHURL , RO YONG MAN
- Applicant: KOREA ELECTRONICS TELECOMM
- Assignee: KOREA ELECTRONICS TELECOMM
- Current Assignee: KOREA ELECTRONICS TELECOMM
- Priority: KR19990027805 1999-07-09; KR19990041574 1999-09-28
- Main IPC: G06T1/00
- IPC: G06T1/00 ; G06F17/14 ; G06F17/30 ; G06K9/52 ; G06K9/64 ; G06T7/00 ; G06T7/40 ; G06F ; G06T
Abstract:
A texture description method in frequency domains and a texture-based retrieval method using the same, in which image signals are converted into those in a frequency domain of a Polar coordinate system. The texture description method in the frequency domain includes a first step of generating a frequency layout by partitioning the frequency domain into a set of feature channels; a second step of extracting the texture feature values of the image from the respective feature channels; and a third step of constituting a texture descriptor of the image in a vector form using the texture feature values extracted from the respective feature channels of the frequency layout. In a texture-based retrieval described in the frequency domain, a retrieval method capable of satisfying respective or all the retrieval conditions such as scale-, rotation- and intensity-invariant retrieval of relevant texture images is provided. Also, a retrieval method of computing the rough scheme of texture to provide a browsing functionality in retrieving is provided.
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