NDLI: Contrast enhancement procedure for digital images of dense breasts by using tissue attenuation coefficients

Content Provider	IEEE Xplore Digital Library
Author	Nunes, F.L.S. Schiabel, H.
Copyright Year	2000
Description	Author affiliation: Dept. de Fisica e Inf., Sao Paulo Univ., Brazil (Nunes, F.L.S.)
Abstract	Computer-aided diagnosis (CAD) schemes are developed all over the world to aid radiologists in order to increase the probabilities of early detection of breast cancer. Among the challenges to overcome by these schemes, one is very important: the contrast enhancement in dense breast images, which frequently present poor contrast among the structures of clinical interest and the background due to predominance of fibroglandular tissues. In a previous work, we have investigated the application to dense breast images of some generic image processing techniques intended to enhance contrast, as well as the results from a CAD scheme aimed to detect clustered microcalcifications. Nevertheless, the results were not satisfactory. Thus, in this work we are discussing the proposal of a new technique to enhance the contrast specifically designed for digitized dense breast mammograms. This procedure uses the linear attenuation coefficients (/spl mu/) relative to the tissues commonly involved in dense breasts in order to determine the levels of absorption and, from those, to enhance the levels corresponding to microcalcifications. The resultant images were submitted to a previously developed processing for clustered microcalcifications detection. The results indicate that more structures could be detected in the images submitted to this new technique without increase in the number of false-positive.
Starting Page	1206
Ending Page	1208
File Size	272210
Page Count	3
File Format	PDF
ISBN	0780364651
ISSN	1094687X
DOI	10.1109/IEMBS.2000.897945
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-07-23
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Digital images Attenuation Computer aided diagnosis Cancer detection Breast cancer Image processing Mammography X-ray imaging Design automation Proposals
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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