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《Computer Engineering》 2004-01
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Document Images Skew Correction Based on Run-length Smoothing

WANG Tongqing,ZHU Yongquan,WANG Hong (Key Lab of Opto-electronic Tech. Under the Ministry of Education,Chongqing Uni versity,Chongqing 400044)  
When the document images are gathered through the image devices, the skewness cannot be avoided. Nowadays, it is still very difficulty to process th e skew document images, so it is necessary to correct them. But the layout of th e document, which includes words, images and graphics, is so complicated that th e correction of the skew images is very hard. The paper introduces a method base d on run-length smoothing, which is proved to be fast, precise and robust. It ha s been successfully applied in the archive management digitalization system.
【CateGory Index】: TP391.41
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