{"title":"Quadratic spline wavelet approach to automatic extraction of baselines from document images","authors":"Y. Tang, Jiming Liu, Lihua Yang","doi":"10.1109/ICDAR.1997.620596","DOIUrl":null,"url":null,"abstract":"The paper presents a wavelet based approach to edge detection in document processing. According to local analysis of the document images using wavelet theory, a novel method is developed to detect the edges in document processing, including extraction of the contours of characters and extraction of the reference lines in the form document images with gray levels. In this method, the quadratic spline wavelet is utilized. Experiments have been contacted. The positive results show the effectiveness of the application of the quadratic spline wavelet to edge detection, especially to extract the reference lines and image boundaries in document processing.","PeriodicalId":435320,"journal":{"name":"Proceedings of the Fourth International Conference on Document Analysis and Recognition","volume":"40 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1997-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the Fourth International Conference on Document Analysis and Recognition","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICDAR.1997.620596","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
The paper presents a wavelet based approach to edge detection in document processing. According to local analysis of the document images using wavelet theory, a novel method is developed to detect the edges in document processing, including extraction of the contours of characters and extraction of the reference lines in the form document images with gray levels. In this method, the quadratic spline wavelet is utilized. Experiments have been contacted. The positive results show the effectiveness of the application of the quadratic spline wavelet to edge detection, especially to extract the reference lines and image boundaries in document processing.
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