{"title":"Non-MPM Mode Coding for Intra Prediction in Video Coding","authors":"Taru Kanchan, Minqiang Jiang, N. Ling","doi":"10.1109/Ubi-Media.2019.00034","DOIUrl":null,"url":null,"abstract":"In video coding, High Efficiency Video Coding (HEVC) introduced 35 intra prediction modes. It employed a three most probable modes (MPM) based method to improve intra mode coding. This method significantly improved the performance by extracting three MPMs out of the 35 intra modes. Joint Video Exploration Team (JVET) defines 67 intra prediction modes for a possible future video coding standard. In the latest JVET development, six MPMs are chosen, and the remaining sixty-one modes are divided into 16 \"selected\" and 45 \"non-selected\" modes. These non-MPM modes are coded using fixed length coding. This paper proposes a method to select and order these non-MPM modes based on probability statistics. The modes that fall into selected category are coded using shorter codes and non-selected modes are coded using larger codes. Experimental results show performance improvement when compared to that of JEM 7.0","PeriodicalId":259542,"journal":{"name":"2019 Twelfth International Conference on Ubi-Media Computing (Ubi-Media)","volume":"64 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 Twelfth International Conference on Ubi-Media Computing (Ubi-Media)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/Ubi-Media.2019.00034","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
In video coding, High Efficiency Video Coding (HEVC) introduced 35 intra prediction modes. It employed a three most probable modes (MPM) based method to improve intra mode coding. This method significantly improved the performance by extracting three MPMs out of the 35 intra modes. Joint Video Exploration Team (JVET) defines 67 intra prediction modes for a possible future video coding standard. In the latest JVET development, six MPMs are chosen, and the remaining sixty-one modes are divided into 16 "selected" and 45 "non-selected" modes. These non-MPM modes are coded using fixed length coding. This paper proposes a method to select and order these non-MPM modes based on probability statistics. The modes that fall into selected category are coded using shorter codes and non-selected modes are coded using larger codes. Experimental results show performance improvement when compared to that of JEM 7.0
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