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Application of Improved Hough Transform in Web Inspection System |
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DOI:10.11981/j.issn.1000-6842.2011.04.38 |
Key Words:Hough transform; fold paper defect; Canny operator; gradient information |
Author Name | Affiliation | 张刚强 | 陕西科技大学电气与信息工程学院,陕西西安,710021 | 周 强 | 陕西科技大学电气与信息工程学院,陕西西安,710021 |
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Abstract: |
A new method based on improved Hough transform is proposed for detecting paper defects such as fold, crease. The method of edge detection can eliminate noise and extract the information of paper, the paper image is transformed from grey space to parameter space from which the characteristics of fold in the paper image are extracted and identified. The experimental results demonstrate that this method has high recognition rate and fast calculation. |
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