Fast intra algorithm based on texture characteristics for 360 videos
Abstract With the rapid progress of virtual reality technology, 360 videos have become increasingly popular. Given that the resolution of a 360 video is ultra-high (generally 4K to 8K), the encoding time for this type of video is considerably high. To reduce encoding complexity, this study proposed...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2019-04-01
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| Series: | EURASIP Journal on Image and Video Processing |
| Subjects: | |
| Online Access: | http://link.springer.com/article/10.1186/s13640-019-0446-3 |
| _version_ | 1818304515864002560 |
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| author | Mengmeng Zhang Xiaosha Dong Zhi Liu Fuqi Mao Wen Yue |
| author_facet | Mengmeng Zhang Xiaosha Dong Zhi Liu Fuqi Mao Wen Yue |
| author_sort | Mengmeng Zhang |
| collection | DOAJ |
| description | Abstract With the rapid progress of virtual reality technology, 360 videos have become increasingly popular. Given that the resolution of a 360 video is ultra-high (generally 4K to 8K), the encoding time for this type of video is considerably high. To reduce encoding complexity, this study proposed a fast intra algorithm that is based on image texture characteristics. On the one hand, the proposed algorithm determines whether to terminate the coding unit partition early on the basis of texture complexity. On the other hand, the proposed algorithm reduces the number of candidate modes in mode decision according to texture directivity. Experimental results showed that the proposed algorithm can obtain an average time reduction rate of 53% and a Bjontegaard delta rate increase of only 1.3%, which is acceptable for rate distortion performance. |
| first_indexed | 2024-12-13T06:11:56Z |
| format | Article |
| id | doaj.art-38b5eff7d3e5492c9e2a907759781f7a |
| institution | Directory Open Access Journal |
| issn | 1687-5281 |
| language | English |
| last_indexed | 2024-12-13T06:11:56Z |
| publishDate | 2019-04-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | EURASIP Journal on Image and Video Processing |
| spelling | doaj.art-38b5eff7d3e5492c9e2a907759781f7a2022-12-21T23:57:04ZengSpringerOpenEURASIP Journal on Image and Video Processing1687-52812019-04-012019111610.1186/s13640-019-0446-3Fast intra algorithm based on texture characteristics for 360 videosMengmeng Zhang0Xiaosha Dong1Zhi Liu2Fuqi Mao3Wen Yue4North China University of TechnologyNorth China University of TechnologyNorth China University of TechnologyNorth China University of TechnologyChina University of GeosciencesAbstract With the rapid progress of virtual reality technology, 360 videos have become increasingly popular. Given that the resolution of a 360 video is ultra-high (generally 4K to 8K), the encoding time for this type of video is considerably high. To reduce encoding complexity, this study proposed a fast intra algorithm that is based on image texture characteristics. On the one hand, the proposed algorithm determines whether to terminate the coding unit partition early on the basis of texture complexity. On the other hand, the proposed algorithm reduces the number of candidate modes in mode decision according to texture directivity. Experimental results showed that the proposed algorithm can obtain an average time reduction rate of 53% and a Bjontegaard delta rate increase of only 1.3%, which is acceptable for rate distortion performance.http://link.springer.com/article/10.1186/s13640-019-0446-3HEVC360 videoTexture characteristicsIntra predictionMode decision |
| spellingShingle | Mengmeng Zhang Xiaosha Dong Zhi Liu Fuqi Mao Wen Yue Fast intra algorithm based on texture characteristics for 360 videos EURASIP Journal on Image and Video Processing HEVC 360 video Texture characteristics Intra prediction Mode decision |
| title | Fast intra algorithm based on texture characteristics for 360 videos |
| title_full | Fast intra algorithm based on texture characteristics for 360 videos |
| title_fullStr | Fast intra algorithm based on texture characteristics for 360 videos |
| title_full_unstemmed | Fast intra algorithm based on texture characteristics for 360 videos |
| title_short | Fast intra algorithm based on texture characteristics for 360 videos |
| title_sort | fast intra algorithm based on texture characteristics for 360 videos |
| topic | HEVC 360 video Texture characteristics Intra prediction Mode decision |
| url | http://link.springer.com/article/10.1186/s13640-019-0446-3 |
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