| Presentation | 2009-09-24 A study of subjective quality assessment of temporal sub-sampling algorithm for high frame-rate video Yukihiro BANDOH, Seishi TAKAMURA, Hirohisa JOZAWA, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Over the past decade video acquisition rate has brokenthrough over 1000[Hz]. Current display systems, unfortunately, have a maximum frame-rate about 60 [frames/sec]. The display systems are definitely slower than the camera system. When a high frame-rate video (over 1000 [frames/sec]) is played in real time, however, it is necessary to down-sample the frame-rate of the video. Such video has many frames around the "constant interval" sub-sampled frame that do not yield jerky motion since the optical flow field displacement within the frames is too small to be perceived. In other words, constant frame interval is not always needed when down-sampling high frame-rate video. Relaxing the interval requirement allows greater flexibility in selecting the frames to be sub-sampled, which allows the number of bits in a sub-sampled sequence to be reduced. When we relax the interval requirement, it is important to realize the same subjective image quality as sequence sub-sampled with constant interval. In this paper, we evaluate the relationship between the subjective quality of sequence sub-sampled with variable interval and the deviation from constant interval. We clarify the permissible deviation from constant interval subject to realizing the same subjective image quality. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | high frame-rate video / frame-rate conversion / video coding / subjective image quality |
| Paper # | LOIS2009-20,IE2009-61 |
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| Conference Information | |
| Committee | LOIS |
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| Conference Date | 2009/9/17(1days) |
| Place (in Japanese) | (See Japanese page) |
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| Topics (in Japanese) | (See Japanese page) |
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| Registration To | Life Intelligence and Office Information Systems (LOIS) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A study of subjective quality assessment of temporal sub-sampling algorithm for high frame-rate video |
| Sub Title (in English) | |
| Keyword(1) | high frame-rate video |
| Keyword(2) | frame-rate conversion |
| Keyword(3) | video coding |
| Keyword(4) | subjective image quality |
| 1st Author's Name | Yukihiro BANDOH |
| 1st Author's Affiliation | NTT Cyber Space Laboratories, NTT Corporation() |
| 2nd Author's Name | Seishi TAKAMURA |
| 2nd Author's Affiliation | NTT Cyber Space Laboratories, NTT Corporation |
| 3rd Author's Name | Hirohisa JOZAWA |
| 3rd Author's Affiliation | NTT Cyber Space Laboratories, NTT Corporation |
| Date | 2009-09-24 |
| Paper # | LOIS2009-20,IE2009-61 |
| Volume (vol) | vol.109 |
| Number (no) | 205 |
| Page | pp.pp.- |
| #Pages | 5 |
| Date of Issue | |