| Paper: | IMDSP-L3.6 | ||
| Session: | Still Image Coding | ||
| Time: | Thursday, May 20, 11:10 - 11:30 | ||
| Presentation: | Lecture | ||
| Topic: | Image and Multidimensional Signal Processing: Image and Video Coding | ||
| Title: | A STUDY ON NON-OCTAVE RESOLUTION CONVERSION BASED ON JPEG2000 EXTENSIONS | ||
| Authors: | Takayuki Nakachi; NTT | ||
| Tomoko Sawabe; NTT | |||
| Junji Suzuki; NTT | |||
| Tetsuro Fujii; NTT | |||
| Abstract: | JPEG2000, an international standard for still image compression, has various features such as 1) high coding performance, 2) unified lossless/lossy compression, 3) resolution and SNR scalability. Especially, the resolution scalability is regarded as a promising feature for Super High Definition (SHD) images like digital-cinema. However, the resolution scalability is restricted only to octave one. In this paper, we introduce a non-octave resolution conversion method which is compatible with JPEG2000 part2. By using the proposed algorithm, various types of resolution images can be decoded from a compressed JPEG2000 part2 code stream. Experimental results for digital cinema test sequences show the effectiveness of the proposed algorithm. | ||
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