NDLI: Spatiotemporal filtering for medical images from an infrared camera

Content Provider	IEEE Xplore Digital Library
Author	Gavriloaia, G. Gavriloaia, M.-R.
Copyright Year	2011
Description	Author affiliation: Electronic and Computer Department, University of Pitesti, Str. Targul din Vale, nr. 1, Pitesti, Romania (Gavriloaia, G.) \|\| Endocrinology Department, University of Medicine and Pharmacy, Str. Dionisie Lupu, nr. 37, Bucharest, Romania (Gavriloaia, M.-R.)
Abstract	In this paper we proposed an improved method for images filtering with slow time variation obtained from some successive frames of a thermovision camera investigating the heat radiated by human beings. In the first step, a single image is obtained as a result of the mean value evaluation from median filtering of all temporal frames. The standard deviation of each pixel is computed as well. The second stage consisted of a spatial filtering of the image from the first step by using the anisotropic diffusion filtering. New relations for the weighted coefficients of the diffusion matrix were proposed from the local statistic estimators. This method was tested on infrared images of different patients. Both subjective and objective evaluations of a patient image suffering from papillary thyroid cancer showed good performances for improving the signal to noise ratio and location of tumor.
Starting Page	381
Ending Page	384
File Size	1075353
Page Count	4
File Format	PDF
ISBN	9781457714108
e-ISBN	9781457714115
DOI	10.1109/TSP.2011.6043705
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-08-18
Publisher Place	Hungary
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image quality Nonlinear filter Anisotropic magnetoresistance PSNR Filtering Image edge detection Infrared image processing Silicon Anisotropic diffusion filter Heat propagation Noise suppression
Content Type	Text
Resource Type	Article

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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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