| Presentation | 2015-03-04 Sharpness Enhancement for the Scaled Images and Its Subjective Quality Assessment Kenji SUGIYAMA, Naoyuki AWANO, Ryota SASAKI, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Realizing of the super high definition video (4K18K) require the format conversion between different picture formats and the improvement of image quality of the converted image. To suppress the coding cost, pixel number reduction to be coded is discussed. In these system, picture quality of up converted picture, such as HDTV to 4K, is most important. In this report, the subjective assessment for the scaled images processed by different scaling factor and filter order are studied. The enhance processing to improvement sharpness with increase the high frequency component in residual band. Frequency characteristic of filter is discussed. The subjective assessments are executed with double stimulation. The results shows that the enhancement gives better MOS. This means that the lack of high frequency component can be compensated by enhancement of relatively low frequency component. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Image scaling / Image Sharpness Improvement / Subjective Assessment / Double Stimuli |
| Paper # | IMQ2014-48,IE2014-109,MVE2014-96 |
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| Conference Information | |
| Committee | MVE |
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| Conference Date | 2015/2/24(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | |
| Vice Chair | |
| Secretary | |
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| Paper Information | |
| Registration To | Media Experience and Virtual Environment (MVE) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Sharpness Enhancement for the Scaled Images and Its Subjective Quality Assessment |
| Sub Title (in English) | |
| Keyword(1) | Image scaling |
| Keyword(2) | Image Sharpness Improvement |
| Keyword(3) | Subjective Assessment |
| Keyword(4) | Double Stimuli |
| 1st Author's Name | Kenji SUGIYAMA |
| 1st Author's Affiliation | Faculty of Science and Technology, Seikei University() |
| 2nd Author's Name | Naoyuki AWANO |
| 2nd Author's Affiliation | Faculty of Science and Technology, Seikei University |
| 3rd Author's Name | Ryota SASAKI |
| 3rd Author's Affiliation | Faculty of Science and Technology, Seikei University |
| Date | 2015-03-04 |
| Paper # | IMQ2014-48,IE2014-109,MVE2014-96 |
| Volume (vol) | vol.114 |
| Number (no) | 487 |
| Page | pp.pp.- |
| #Pages | 4 |
| Date of Issue | |