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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
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机译:一种重构一组图片以提供随机访问的方法
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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.
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