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《Journal of Communication University of China(Science and Technology)》 2008-02
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The Detection and Location of Karaoke Subtitles

CHEN Wen-ting,LI Lei,YANG Ying-yun (Information Engineering School,Communication University of China,Beijing 100024)  
In this paper,comprehensive analysis and discussions are given on detection and extraction of texts from video sequence,in which several topics are involved : text event detection,text region detection and orientation in video frames.An algorithm is provided which first detects text event and gets edges,then makes a size restrict to the edges and wipes off non-text regions according to the textual energy,after omnidirectionally expand the pixel of the edges lastly detects the remainder edges and detemins the textregions.The overlaying of detected horizontal edges and vertical edges enhances the text edges;the size restrict of edges helps to wipe off the non-text edges.
【CateGory Index】: TP391.41
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