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Paper Abstract and Keywords
Presentation 2005-02-03 16:00
Application of IFS to Image Resolution Conversion
Norihiro Kakukou, Miki Haseyama, Hideo Kitajima (Hokkaido Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Several methods for image enlargement have been studied. However, their performance is not enough because they cannot correctly estimate high frequency components that are missed when the target image is sampled. Therefore, this paper proposes a new image enlargement method using an Iterated Function System(IFS). The IFS generates images from an arbitrary initial image by iteration ofcontractive mappings. Noting a property that the resolution of the target image do not affect the parameters which determine the contractive mappings, the proposed method applies the IFS to the image enlargement. Futher, the proposed method modifies the determination scheme of the parameters of the contractive mappings and the generation scheme of the target image. Then, the problem caused by the difference of the self-similarity between the target image and the original enlarged image, can be solved. Consequently, the accurate image enlargement can be achieved.
Keyword (in Japanese) (See Japanese page) 
(in English) IFS / image enlargement / contractive mapping / fractal / image resolution conversion / / /  
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Conference Information
Committee IE ITS ITE-AIT ITE-ME  
Conference Date 2005-02-03 - 2005-02-04 
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Paper Information
Registration To IE 
Conference Code 2005-02-IE-ITS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Application of IFS to Image Resolution Conversion 
Sub Title (in English)  
Keyword(1) IFS  
Keyword(2) image enlargement  
Keyword(3) contractive mapping  
Keyword(4) fractal  
Keyword(5) image resolution conversion  
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1st Author's Name Norihiro Kakukou  
1st Author's Affiliation Hokkaido University (Hokkaido Univ.)
2nd Author's Name Miki Haseyama  
2nd Author's Affiliation Hokkaido University (Hokkaido Univ.)
3rd Author's Name Hideo Kitajima  
3rd Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Speaker Author-1 
Date Time 2005-02-03 16:00:00 
Presentation Time 30 minutes 
Registration for IE 
Paper #  
Volume (vol) vol.104 
Number (no) no.646(ITS), no.648(IE) 
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