NDLI: Unified Lowering Decision of Parametric Thinning in the Hypothesis Test Framework

Content Provider	IEEE Xplore Digital Library
Author	Youssef, R. Sevestre-Ghalila, S.
Copyright Year	2015
Description	Author affiliation: CEA-LinkLab in Telnet Innovation Labs., Cite Technol. des Commun., Tunisia (Sevestre-Ghalila, S.) \|\| Sup'Com, COSIM Lab., Univ. of Carthage, Ariana, Tunisia (Youssef, R.)
Abstract	Homotopic grayscale thinning leads to over-connected skeleton when applied on noisy images. To avoid this phenomenon, the parametric thinning relaxes the initial constraint by lowering low contrast crests, peaks and ends, according to a parameter related to the noise and contrast of the image and under the constraint of ascendant gray level processing. Even if the statistical control of this parameter leads to a local adjustment and to a standardization of the thinning parameter, this method still produces spurious branches. In fact, the lowering criterion for peak and end notions becomes unadapted while the image dynamic changes during the thinning process. To avoid this phenomenon, we propose to revise and unify these lowering criteria. Consequently, we update the statistical test design by taking into account the gray level of the treated pixels to better fit to lowerable pixels definition. Results of our contribution are compared to the initial parametric thinning.
Starting Page	1
Ending Page	6
File Size	570641
Page Count	6
File Format	PDF
e-ISBN	9781467367950
DOI	10.1109/DICTA.2015.7371317
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-11-23
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Context Morphology Gray-scale Skeleton Topology Electronic mail Noise measurement
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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