{"title":"关于“提升阶叠双正交变换新族”的评析","authors":"W. Li, X. Wu","doi":"10.1049/IET-IPR.2008.0173","DOIUrl":null,"url":null,"abstract":"An unaddressed problem with Cheng's design is pointed out from the filter viewpoint: the first few basis functions do not decay smoothly to zero at the end, which may increase blocking artefacts, especially at low bit rates.","PeriodicalId":13486,"journal":{"name":"IET Image Process.","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2009-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Comments on 'new family of lapped biorthogonal transform via lifting steps'\",\"authors\":\"W. Li, X. Wu\",\"doi\":\"10.1049/IET-IPR.2008.0173\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"An unaddressed problem with Cheng's design is pointed out from the filter viewpoint: the first few basis functions do not decay smoothly to zero at the end, which may increase blocking artefacts, especially at low bit rates.\",\"PeriodicalId\":13486,\"journal\":{\"name\":\"IET Image Process.\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2009-06-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IET Image Process.\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1049/IET-IPR.2008.0173\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IET Image Process.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1049/IET-IPR.2008.0173","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Comments on 'new family of lapped biorthogonal transform via lifting steps'
An unaddressed problem with Cheng's design is pointed out from the filter viewpoint: the first few basis functions do not decay smoothly to zero at the end, which may increase blocking artefacts, especially at low bit rates.
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