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| Paper: | IMDSP-P12.8 |
| Session: | Image Coding |
| Time: | Friday, May 21, 13:00 - 15:00 |
| Presentation: |
Poster |
| Topic: |
Image and Multidimensional Signal Processing: Image and Video Coding |
| Title: |
A HYBRID WAVELET AND RIDGELET APPROACH FOR EFFICIENT EDGE REPRESENTATION IN NATURAL IMAGES |
| Authors: |
Fulvio Moschetti; NTT DoCoMo | | |
| | Kazuo Sugimoto; NTT DoCoMo | | |
| | Sadaatsu Kato; NTT DoCoMo | | |
| | Matteo Burrini; University of Siena | | |
| Abstract: |
Wavelets, fundamental component of the latest image coding standard JPEG 2000, have proven to be a very useful tool in representation and coding of 2D images. They are also a powerful instrument in catching zero-dimensional singularities, though less efficient in dealing with ?edge? singularities. Ridgelets, by definition, are a powerful tool in catching and representing line singularities in bidimensional space.In this paper we propose a hybrid approach that combines both Ridgelets and Wavelets for a more efficient representation of 2-D images with edgesResults confirm the potential of the combined use of Wavelets and Ridgelets as efficient representation, showing substantial improvements when compared to only Wavelets. |
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