NDLI: A new implementation of discrete multiscale filtering

Content Provider	IEEE Xplore Digital Library
Author	Dongming Zhao Bingcheng Li
Copyright Year	1996
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Michigan Univ., Dearborn, MI, USA (Dongming Zhao)
Abstract	In this paper, a conventional discrete implementation of the diffusion equation is analyzed. It is shown that when the evolution time step is less than 1/4 , the conventional discrete implementation satisfies the scale-space condition. As the evolution time increases, the image becomes smoother and smoother, thus making the evolution increasingly slow and the computing time lengthy. To solve this problem, a new discrete implementation is proposed. It is shown that the proposed implementation satisfies the scale-space condition when discrete time steps are arbitrarily large. The new discrete implementation of the diffusion equation not only preserves the scale-space condition but also effectively reduces the evolution time. The experiments in range image segmentation show that the proposed method has a similar segmentation effect as the conventional methods, but with much less computing time.
Starting Page	383
Ending Page	385
File Size	330592
Page Count	3
File Format	PDF
ISBN	0780332598
DOI	10.1109/ICIP.1996.559513
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-09-19
Publisher Place	Switzerland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Filtering Gaussian processes Convolution Computational complexity Image sampling Laplace equations Image edge detection Finite difference methods Costs Image analysis
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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