{"title":"Scalable coding based on adaptive subband for interlaced video sequences","authors":"K. Sawada, Takehiro Yoshida","doi":"10.1109/ICIP.1997.638848","DOIUrl":null,"url":null,"abstract":"Resolution scalability refers to a picture coding property where pictures at lower different resolutions can be reconstructed by decoding only the subsets of a single coded bit-stream, while the full resolution picture is reconstructed by decoding the total bit-stream. This paper presents a resolution scalable video coding scheme for interlaced video sequences. The proposed scalable coding scheme employs adaptive in-field/in-frame subband for spatial scalability, where in-field subband and in-frame subband are adaptively used for moving portions and stationary portions respectively. It also employs adaptive field/frame subsampling for temporal scalability. Experimental results have demonstrated that the proposed adaptive subband gives better picture quality especially for reconstructed lower resolution pictures compared to non adaptive subband.","PeriodicalId":92344,"journal":{"name":"Computer analysis of images and patterns : proceedings of the ... International Conference on Automatic Image Processing. International Conference on Automatic Image Processing","volume":"26 1","pages":"621-624 vol.2"},"PeriodicalIF":0.0000,"publicationDate":"1997-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Computer analysis of images and patterns : proceedings of the ... International Conference on Automatic Image Processing. International Conference on Automatic Image Processing","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICIP.1997.638848","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract

Resolution scalability refers to a picture coding property where pictures at lower different resolutions can be reconstructed by decoding only the subsets of a single coded bit-stream, while the full resolution picture is reconstructed by decoding the total bit-stream. This paper presents a resolution scalable video coding scheme for interlaced video sequences. The proposed scalable coding scheme employs adaptive in-field/in-frame subband for spatial scalability, where in-field subband and in-frame subband are adaptively used for moving portions and stationary portions respectively. It also employs adaptive field/frame subsampling for temporal scalability. Experimental results have demonstrated that the proposed adaptive subband gives better picture quality especially for reconstructed lower resolution pictures compared to non adaptive subband.
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基于自适应子带的隔行视频序列可扩展编码
分辨率可扩展性是指一种图像编码特性,通过对单个编码比特流的子集进行解码,可以重构低分辨率的图像,而通过对总比特流进行解码,可以重构全分辨率的图像。提出了一种分辨率可扩展的隔行视频编码方案。本文提出的可扩展编码方案采用自适应场内/帧内子带实现空间可扩展性,其中场内子带和帧内子带分别自适应用于移动部分和静止部分。它还采用自适应场/帧子采样来实现时间可扩展性。实验结果表明,与非自适应子带相比,所提出的自适应子带在重建低分辨率图像时具有更好的图像质量。
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Computer Analysis of Images and Patterns: 19th International Conference, CAIP 2021, Virtual Event, September 28–30, 2021, Proceedings, Part I Computer Analysis of Images and Patterns: 19th International Conference, CAIP 2021, Virtual Event, September 28–30, 2021, Proceedings, Part II Computer Analysis of Images and Patterns: CAIP 2019 International Workshops, ViMaBi and DL-UAV, Salerno, Italy, September 6, 2019, Proceedings Computer Analysis of Images and Patterns: 18th International Conference, CAIP 2019, Salerno, Italy, September 3–5, 2019, Proceedings, Part I Computer Analysis of Images and Patterns: 18th International Conference, CAIP 2019, Salerno, Italy, September 3–5, 2019, Proceedings, Part II
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