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《Computer Simulation》 2006-12
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Content Based Document Image Skew Adjusting

LU Ya-jun,CHEN Ji-rong,LU Xiao-liang(Dept.of Electronic Eng.& Information Science,University of Science & Technology of China,Hefei Anhui 230027,China)  
When transferring paper document into document image via image acquisition equipment,it is inevitable to introduce some inclines because of many indefinite reasons.To make it smooth to process those document images utilizing computer,it is necessary to rectify the incline first.The document images,which may contain characters,images,graphics,forms etc.,are always very complex and it is very difficult to find a generally-used algorithm to rectify those document images.This paper puts forward a content-based method to rectify the inclines automatically,in which wavelet transform,thinning and other related algorithms are applied.The experimental results show that the proposed method,which varies according to different types of the document images,can achieve high speed and high accuracy.
【CateGory Index】: TP391.41
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