NDLI: Classification of simulated elastograms based on texture features

Content Provider	IEEE Xplore Digital Library
Author	Kehtarnavaz, N. Araabi, B.N. Kallel, F. Ophir, J.
Copyright Year	2001
Description	Author affiliation: Dept. of Electr. Eng., Texas A&M Univ., College Station, TX, USA (Kehtarnavaz, N.)
Abstract	Elastography is a new imaging modality which provides an image of tissue elastic properties. Simulated elastograms are used to study the ability of textural features to discriminate between abnormalities with different levels of hardness and density. Elastograms are simulated for different signal processing parameters as well as for a non-uniform stress field. 15 selected texture features are extracted. The Gaussian classifier does not perform well due to the complexity of clusters. Hence, a neural network classifier is trained and tested to discriminate between the classes. The results indicate that the texture features perform well under variations of the signal processing parameters and non-uniformity of the applied stress field. This simulation study provides a guiding mechanism to discriminate between malignant and benign tissue abnormalities once clinical data becomes available.
Sponsorship	IEEE Comput. Soc. Tech. Committee on Computational Med.
Starting Page	461
Ending Page	466
File Size	355519
Page Count	6
File Format	PDF
ISBN	0769510043
ISSN	10637125
DOI	10.1109/CBMS.2001.941762
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-07-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Capacitive sensors Ultrasonic imaging Stress Image coding Medical simulation Signal processing Neural networks Testing Cancer Radio frequency
Content Type	Text
Resource Type	Article
Subject	Radiology, Nuclear Medicine and Imaging Computer Science Applications

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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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