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US 2010/0303158 A1Published application
Method and apparatus for scene change detection
AssigneeThomson Licensing
InventorShu Lin
Life of this patent
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Abstract
An apparatus and method for detecting scene change by using a sum of absolute histogram difference (SAHD) and a sum of absolute display frame difference (SADFD). The apparatus and method use the temporal information in the same scene to smooth out the variations and accurately detect scene changes. The apparatus and method can be used far both real-time (e.g., real-time video compression) and non-real-time (e.g., film post-production) applications.
Claims18
A method for identifying a scene change, said method comprising the steps of:
- receiving a datastream containing a plurality of scenes, each scene containing a plurality of pictures;
- calculating a sum of the absolute histogram difference between a pair of adjacent pictures;
- calculating a sum of the absolute display frame difference between said pair of adjacent pictures;
- and
- determining if a scene boundary exists between said pair of adjacent pictures using said sum of the absolute histogram difference and said sum of the absolute display frame difference.
2 more elements
An apparatus for detecting a scene change, said apparatus comprising:
- means for receiving a datastream containing a plurality of scenes, said scenes containing a plurality of pictures;
- means for calculating a sum of the absolute histogram difference between adjacent pictures;
- means for calculating a sum of the absolute display frame difference between adjacent pictures;
- and
- means for determining if a scene change is occurring between adjacent pictures using said sum of the absolute histogram difference and said sum of the absolute display frame difference.
2 more elements
Dependencies are inferred from the claim text.