Expression based on sparse video text detection method: video text detection method for the existence of traditional low efficiency, computational complexity, accuracy is not high enough, make a video text detection method based on edge density and connectivity through domain analysis of the text coarse detection get the candidate text lines, expression classification using sparse over-complete dictionary to produce a line of text verification. Experimental results show that the method has good detection performance can be applied to the video retrieval system.

worddetectinvideo.pdf

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