Segmentation of Chinese Postal Envelope Images for Address Block Location
Identifieur interne : 000911 ( Main/Exploration ); précédent : 000910; suivant : 000912Segmentation of Chinese Postal Envelope Images for Address Block Location
Auteurs : Xinghui Dong [République populaire de Chine] ; Junyu Dong [République populaire de Chine] ; Shengke Wang [République populaire de Chine]Source :
- Lecture Notes in Computer Science [ 0302-9743 ] ; 2009.
Abstract
Abstract: In this paper, we propose a simple segmentation approach for camera-captured Chinese envelope images. We first apply a moving-window thresholding algorithm, which is less curvature-biased and less sensitive to noise than other local thresholding methods, to generate binary images. Then the skew images are corrected by using a skew detection and correction algorithm. In the following stage rectangular frames on the envelopes containing postcode are removed by using opening operators in mathematical morphology. Finally, a post-processing procedure is used to remove remaining thin lines. In this stage, connected components are labeled. We test 800 camera-captured envelope images in our experiments, including handwritten and machine-printed envelopes. For almost all of these images, the proposed approach can accurately separate the address block, stamp and postmark from the background.
Url:
DOI: 10.1007/978-3-642-10520-3_53
Affiliations:
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We first apply a moving-window thresholding algorithm, which is less curvature-biased and less sensitive to noise than other local thresholding methods, to generate binary images. Then the skew images are corrected by using a skew detection and correction algorithm. In the following stage rectangular frames on the envelopes containing postcode are removed by using opening operators in mathematical morphology. Finally, a post-processing procedure is used to remove remaining thin lines. In this stage, connected components are labeled. We test 800 camera-captured envelope images in our experiments, including handwritten and machine-printed envelopes. For almost all of these images, the proposed approach can accurately separate the address block, stamp and postmark from the background.</div></front></TEI><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Dong, Xinghui" sort="Dong, Xinghui" uniqKey="Dong X" first="Xinghui" last="Dong">Xinghui Dong</name></noRegion><name sortKey="Dong, Junyu" sort="Dong, Junyu" uniqKey="Dong J" first="Junyu" last="Dong">Junyu Dong</name><name sortKey="Dong, Junyu" sort="Dong, Junyu" uniqKey="Dong J" first="Junyu" last="Dong">Junyu Dong</name><name sortKey="Wang, Shengke" sort="Wang, Shengke" uniqKey="Wang S" first="Shengke" last="Wang">Shengke Wang</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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