Relating Statistical Image Differences and Degradation Features
Identifieur interne : 001948 ( Main/Merge ); précédent : 001947; suivant : 001949Relating Statistical Image Differences and Degradation Features
Auteurs : Barney Smith [États-Unis] ; Xiaohui Qiu [République populaire de Chine]Source :
- Lecture Notes in Computer Science [ 0302-9743 ] ; 2002.
Abstract
Abstract: Document images are degraded through bilevel processes such as scanning, printing, and photocopying. The resulting image degradations can be categorized based either on observable degradation features or on degradation model parameters. The degradation features can be related mathematically to model parameters. In this paper we statistically compare pairs of populations of degraded character images created with different model parameters. The changes in the probability that the characters are from different populations when the model parameters vary correlate with the relationship between observable degradation features and the model parameters. The paper also shows which features have the largest impact on the image.
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DOI: 10.1007/3-540-45869-7_1
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