{"title":"mpeg - pip处理器的体系结构","authors":"Prange, Reventlow, Muller, Mende","doi":"10.1109/ICCE.1997.625920","DOIUrl":null,"url":null,"abstract":"To reduce the size of a picture it needs to be lowpass- filtered in horizontal and vertical direction before being sampled down to avoid aliasing. This lowpass-filtering can be combined with the MPEG-decoding-process due to the character of the discrete cosine transform. Equipped with some flexibility an MPEGZ-video- decoder can be used for decoding more than one video stream with reduced image size. It is shown how memory and calculation power can flexibly be used for decoding MPEG-sequences with reduced picture size.","PeriodicalId":127085,"journal":{"name":"1997 International Conference on Consumer Electronics","volume":"34 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1997-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Architecture For An MPEG-PIP-processor\",\"authors\":\"Prange, Reventlow, Muller, Mende\",\"doi\":\"10.1109/ICCE.1997.625920\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"To reduce the size of a picture it needs to be lowpass- filtered in horizontal and vertical direction before being sampled down to avoid aliasing. This lowpass-filtering can be combined with the MPEG-decoding-process due to the character of the discrete cosine transform. Equipped with some flexibility an MPEGZ-video- decoder can be used for decoding more than one video stream with reduced image size. It is shown how memory and calculation power can flexibly be used for decoding MPEG-sequences with reduced picture size.\",\"PeriodicalId\":127085,\"journal\":{\"name\":\"1997 International Conference on Consumer Electronics\",\"volume\":\"34 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1997-06-11\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"1997 International Conference on Consumer Electronics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICCE.1997.625920\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"1997 International Conference on Consumer Electronics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICCE.1997.625920","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
To reduce the size of a picture it needs to be lowpass- filtered in horizontal and vertical direction before being sampled down to avoid aliasing. This lowpass-filtering can be combined with the MPEG-decoding-process due to the character of the discrete cosine transform. Equipped with some flexibility an MPEGZ-video- decoder can be used for decoding more than one video stream with reduced image size. It is shown how memory and calculation power can flexibly be used for decoding MPEG-sequences with reduced picture size.
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