{"title":"MPEG-4中运动补偿帧的存储器访问优化分析","authors":"Haitham Habli, J. Lilius, Johan Ersfolk","doi":"10.1109/SOCC.2009.5335666","DOIUrl":null,"url":null,"abstract":"One of the big sources for energy consumption in modern video coding algorithms is the access to the reference frame, that is required in the motion compensation calculations. It is challenging to decrease this energy consumption because of the irregularity of the access. In this paper we evaluate an approach in which we presort the motion vectors so as to increase the locality of the accesses.","PeriodicalId":389625,"journal":{"name":"2009 International Symposium on System-on-Chip","volume":"57 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2009-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Analysis of memory access optimization for motion compensation frames in MPEG-4\",\"authors\":\"Haitham Habli, J. Lilius, Johan Ersfolk\",\"doi\":\"10.1109/SOCC.2009.5335666\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"One of the big sources for energy consumption in modern video coding algorithms is the access to the reference frame, that is required in the motion compensation calculations. It is challenging to decrease this energy consumption because of the irregularity of the access. In this paper we evaluate an approach in which we presort the motion vectors so as to increase the locality of the accesses.\",\"PeriodicalId\":389625,\"journal\":{\"name\":\"2009 International Symposium on System-on-Chip\",\"volume\":\"57 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2009-10-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2009 International Symposium on System-on-Chip\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SOCC.2009.5335666\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2009 International Symposium on System-on-Chip","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SOCC.2009.5335666","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Analysis of memory access optimization for motion compensation frames in MPEG-4
One of the big sources for energy consumption in modern video coding algorithms is the access to the reference frame, that is required in the motion compensation calculations. It is challenging to decrease this energy consumption because of the irregularity of the access. In this paper we evaluate an approach in which we presort the motion vectors so as to increase the locality of the accesses.
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