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- W2370396959 abstract "This report describes a spatio-temporal algorithm to detect and locate the overlay captions in digital video. The algorithm adopts the PQSDD measurement and a binary-search algorithm to decide the initiative and final frames including the same caption within one shot. Using the initiative and final frames,two frame transition pairs and two difference images are obtained. Caption region localization is subsequently applied by analyzing edge maps of the two difference images respectively. For getting binary edge images,an auto threshold selection algorithm according to region background complexity is proposed. Finally mathematic morphology and connective components analysis are performed to remove the false caption regions. Experimental results prove that the algorithm possesses higher detection speed and localization precision." @default.
- W2370396959 created "2016-06-24" @default.
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- W2370396959 date "2009-01-01" @default.
- W2370396959 modified "2023-09-28" @default.
- W2370396959 title "Spatia-temporal Video Caption Detection and Localization Algorithm" @default.
- W2370396959 hasPublicationYear "2009" @default.
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