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My ICIP 2006 Schedule
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Paper Detail
| Paper: | WA-L2.7 |
| Session: | Lossless Image Coding |
| Time: | Wednesday, October 11, 12:00 - 12:20 |
| Presentation: |
Lecture |
| Topic: |
Image & Video Coding: Lossless image coding |
| Title: |
MERGE–BASED COLOR QUANTIZATION AND CONTEXT TREE MODELING FOR COMPRESSION OF COLOR QUANTIZED IMAGES |
| Authors: |
Alexey Podlasov; University of Joensuu | | | | | Pasi Fränti; University of Joensuu | | |
| Abstract: |
A two-stage lossless compression method based on a binary tree representation of colors and on context-based arithmetic coding has been recently proposed. We propose two improvements to this method: merge-based color quantization instead of the original spitting strategy, and context tree modeling optimized for each layer separately. The proposed method achieves better compression performance, and a better reproduction quality in the color progression. |
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