首页> 外国专利> A METHOD FOR RESTRUCTURING A GROUP OF PICTURES TO PROVIDE FOR RANDOM ACCESS INTO THE GROUP OF PICTURES

A METHOD FOR RESTRUCTURING A GROUP OF PICTURES TO PROVIDE FOR RANDOM ACCESS INTO THE GROUP OF PICTURES

机译:一种重构一组图片以提供随机访问的方法

摘要

The present invention is a system and method for restructuring a group ofpictures in sucha manner as to provide for random access into the group of pictures withoutsubstantiallydegrading the quality of service for the video content. When encoding acurrent picture if thecurrent picture is an I picture, the current picture is encoded utilizingintra coding. If the currentpicture is not an I picture, and is not referenced by future pictures, thecurrent picture iscompressed using an arbitrary number of pictures in the past as a reference.If the current pictureis not an I picture, and the current picture is not referenced by futurepictures, the picture iscompressed and the number of reference pictures in the past are limited sothat picture prior tothe last I picture are not used as a reference. This process continues untilthe conclusion of thegroup of pictures.
机译:本发明是用于重构一组的系统和方法。这样的图片一种提供随机访问图片组而无需实质上降低视频内容的服务质量。编码时当前图片,如果当前图片是I图片,当前图片使用帧内编码。如果当前图片不是I图片,并且以后的图片不引用该图片,当前图片是过去使用任意数量的图片作为参考进行压缩。如果当前图片不是I图片,并且将来不引用当前图片图片,图片是压缩,过去的参考图片数量有限,因此那张照片之前最后一张I图片不用作参考。这个过程一直持续到结论图片组。

著录项

  • 公开/公告号CA2527946C

    专利类型

  • 公开/公告日2014-04-08

    原文格式PDF

  • 申请/专利权人 GENERAL INSTRUMENT CORPORATION;

    申请/专利号CA20042527946

  • 发明设计人 LUTHRA AJAY;

    申请日2004-06-02

  • 分类号G06K9/36;

  • 国家 CA

  • 入库时间 2022-08-21 15:54:54

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