Reverse trick modes on non-progressive video using special groups of pictures

The invention concerns a method (200) and system (100) for performing a reverse trick mode. The method includes the steps of receiving (212) a non-progressive video signal and encoding (214) the non-progressive video signal into at least one group of pictures having at least one prediction source pi...

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Bibliographic Details
Main Author LIN SHU,WILLIS DONALD HENRY
Format Patent
LanguageEnglish
Published 07.06.2006
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:The invention concerns a method (200) and system (100) for performing a reverse trick mode. The method includes the steps of receiving (212) a non-progressive video signal and encoding (214) the non-progressive video signal into at least one group of pictures having at least one prediction source picture and at least one non-prediction source picture. All the non-prediction source pictures are predicted from the at least one prediction source picture such that no non-prediction source picture is predicted from another non-prediction source picture. The method also includes the step of, in response to a reverse trick mode command, altering (220) the display order of the group of pictures to permit the group of pictures to be displayed in a reverse order.
Bibliography:Application Number: CN200480012237