NDLI: Adaptive wavelet de-noising based on FDR step-up-down procedure

Content Provider	IEEE Xplore Digital Library
Author	Wenliao Du Yanming Li Jin Yuan Chengliang Liu
Copyright Year	2010
Description	Author affiliation: School of Mechanical Engineering, Shanghai Jiao Tong University, China (Wenliao Du; Yanming Li; Jin Yuan; Chengliang Liu)
Abstract	The threshold de-noising method based on the wavelet transform is an effective approach to reduce the white noise of the digit signal. Considering the different characters of signal and white noise in the wavelet domain, a novel algorithm to determine the adaptive wavelet threshold is proposed with the use of False Discovery Rate (FDR) step-up-down procedure. Since the wavelet de-noising transform process can be regarded as a multiple hypothesis process and both the step-up and step-down procedures can control the FDR independently, the new method FDR step-up-down procedure combining the above-mentioned procedures determines the wavelet threshold. An attractive advantage of this method is it can obtain the desired result by adjusting the FDR level flexibly. Numerical results show that this procedure works as effective as Hearsure procedure and gives better Signal Noise Ratio (SNR) gains and Mean Square Error (MSE) performance than both the traditional BH FDR and Sqtwolog procedure. In addition, this proposed algorithm has a substantially better power and higher resolution speed.
Starting Page	1316
Ending Page	1321
File Size	1727734
Page Count	6
File Format	PDF
ISBN	9781424467129
e-ISBN	9781424467129
DOI	10.1109/WCICA.2010.5554882
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-07
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Noise reduction Signal to noise ratio Noise measurement Filtering Wavelet coefficients FDR step-up-down procedure Wavelet threshold De-noising Multiple hypothesis test
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