Oliver, A: Automatic Mass Segmentation in Mammographic Image - Couverture souple

9783836487788: Oliver, A: Automatic Mass Segmentation in Mammographic Image

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ISBN 10 : 3836487780 ISBN 13 : 9783836487788

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Langue: anglais
ISBN 10: 3836487780
ISBN 13: 9783836487788
Reliure: Broch�
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Automatic Mass Segmentation in Mammographic Images : The Eigendetection Approach

Arnau Oliver

Edit� par VDM Verlag Dr. M�ller, 2008

ISBN 10 : 3836487780 ISBN 13 : 9783836487788

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Taschenbuch. Etat : Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - This thesis deals with the automatic detection of masses in mammographic images, one of the most common signs of breast cancer. The main objective is the development of a new framework for the detection of masses of any shape, margin, and size. We firstly review qualitative and quantitatively a huge number of proposals for mass segmentation, and we conclude that the existing algorithms not only depend on the mass morphology but also on the breasts density. The framework is divided in two basics steps: firstly, regions of interests are detected in the image using a probabilistic template matching algorithm and, secondly, the detected regions are classified into being false positives or true positives using 2DPCA. Moreover, breast density is naturally incorporated into the whole process by initially classifying the training sets according to breast density. Methods for automatic breast density estimation are also analyzed and proposed. The proposals are exhaustively evaluated using three digitized and one digital mammographic databases. The results show that our approach is useful for mass detection, obtaining a better performance relative to competing methods. N� de r�f. du vendeur 9783836487788

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