SUBTITLE DETECTION SYSTEM AND METHOD TO TELEVISION VIDEO
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United States of America Patent
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Sep 13, 2011
filing date -
Sep 13, 2010
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Abstract
A sub-title detection system and method for television video are provided in which a static region detection is performed, and the results of the static region detection are pruned using a feature based on density of horizontal transition pairs, an intelligent adaptive temporal filtering is performed that uses object-level subtitle information and has suitable properties for integration in a streaming video environment, rectangular bounding boxes are computed around the subtitle using height, width and filling-degree constraints, and finally, subtitle bounding boxes are identified by binary classification based on text stroke alignment features.
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