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《Computer Applications》 2004-09
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Skew detection method for bill image based on directional projection

ZHANG Qiu, MA Li-zhuang, GAO Yan, CHEN Zhi-hua (Lab of Digital Media and Data Reconstruction, Shanghai Jiao Tong University, Shanghai 200030, China)  
According to the property that most bill images have the form lines, a new skew detection method based on directional projection was presented, using Bresenham's integer only line drawing algorithm. Then, the new method was compared with the Hough transform method. Experiment results show that the new method can measure out the slanting degree of a bill image efficiently and accurately with high noise endurance and application adaptability.
【CateGory Index】: TP391.41
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