Temporal Prediction Model-Based Fast Inter CU Partition for Versatile Video Coding
Versatile video coding (VVC) adopts an advanced quad-tree plus multi-type tree (QTMT) coding structure to obtain higher compression efficiency, but it comes at the cost of a considerable increase in coding complexity. To effectively reduce the coding complexity of the QTMT-based coding unit (CU) par...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-10-01
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| Series: | Sensors |
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| Online Access: | https://www.mdpi.com/1424-8220/22/20/7741 |
| _version_ | 1797470016622297088 |
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| author | Yue Li Fei Luo Yapei Zhu |
| author_facet | Yue Li Fei Luo Yapei Zhu |
| author_sort | Yue Li |
| collection | DOAJ |
| description | Versatile video coding (VVC) adopts an advanced quad-tree plus multi-type tree (QTMT) coding structure to obtain higher compression efficiency, but it comes at the cost of a considerable increase in coding complexity. To effectively reduce the coding complexity of the QTMT-based coding unit (CU) partition, we propose a fast inter CU partition method based on a temporal prediction model, which includes early termination QTMT partition and early skipping multi-type tree (MT) partition. Firstly, according to the position of the current CU, we extract the optimal CU partition information of the position corresponding to the previously coded frames. We then establish a temporal prediction model based on temporal CU partition information to predict the current CU partition. Finally, to reduce the cumulative of errors of the temporal prediction model, we further extract the motion vector difference (MVD) of the CU to determine whether the QTMT partition can be terminated early. The experimental results show that the proposed method can reduce the inter coding complexity of VVC by 23.19% on average, while the Bjontegaard delta bit rate (BDBR) is only increased by 0.97% on average under the Random Access (RA) configuration. |
| first_indexed | 2024-03-09T19:30:46Z |
| format | Article |
| id | doaj.art-81738156f4a2462192cc55119d3a7af4 |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-03-09T19:30:46Z |
| publishDate | 2022-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-81738156f4a2462192cc55119d3a7af42023-11-24T02:24:59ZengMDPI AGSensors1424-82202022-10-012220774110.3390/s22207741Temporal Prediction Model-Based Fast Inter CU Partition for Versatile Video CodingYue Li0Fei Luo1Yapei Zhu2College of Computer Science, University of South China, Hengyang 421001, ChinaCollege of Computer Science, University of South China, Hengyang 421001, ChinaFaculty of Physics and Electronic Information Science, Hengyang Normal University, Hengyang 421002, ChinaVersatile video coding (VVC) adopts an advanced quad-tree plus multi-type tree (QTMT) coding structure to obtain higher compression efficiency, but it comes at the cost of a considerable increase in coding complexity. To effectively reduce the coding complexity of the QTMT-based coding unit (CU) partition, we propose a fast inter CU partition method based on a temporal prediction model, which includes early termination QTMT partition and early skipping multi-type tree (MT) partition. Firstly, according to the position of the current CU, we extract the optimal CU partition information of the position corresponding to the previously coded frames. We then establish a temporal prediction model based on temporal CU partition information to predict the current CU partition. Finally, to reduce the cumulative of errors of the temporal prediction model, we further extract the motion vector difference (MVD) of the CU to determine whether the QTMT partition can be terminated early. The experimental results show that the proposed method can reduce the inter coding complexity of VVC by 23.19% on average, while the Bjontegaard delta bit rate (BDBR) is only increased by 0.97% on average under the Random Access (RA) configuration.https://www.mdpi.com/1424-8220/22/20/7741versatile video codingQTMTCU partitiontemporal prediction model |
| spellingShingle | Yue Li Fei Luo Yapei Zhu Temporal Prediction Model-Based Fast Inter CU Partition for Versatile Video Coding Sensors versatile video coding QTMT CU partition temporal prediction model |
| title | Temporal Prediction Model-Based Fast Inter CU Partition for Versatile Video Coding |
| title_full | Temporal Prediction Model-Based Fast Inter CU Partition for Versatile Video Coding |
| title_fullStr | Temporal Prediction Model-Based Fast Inter CU Partition for Versatile Video Coding |
| title_full_unstemmed | Temporal Prediction Model-Based Fast Inter CU Partition for Versatile Video Coding |
| title_short | Temporal Prediction Model-Based Fast Inter CU Partition for Versatile Video Coding |
| title_sort | temporal prediction model based fast inter cu partition for versatile video coding |
| topic | versatile video coding QTMT CU partition temporal prediction model |
| url | https://www.mdpi.com/1424-8220/22/20/7741 |
| work_keys_str_mv | AT yueli temporalpredictionmodelbasedfastintercupartitionforversatilevideocoding AT feiluo temporalpredictionmodelbasedfastintercupartitionforversatilevideocoding AT yapeizhu temporalpredictionmodelbasedfastintercupartitionforversatilevideocoding |