Texture based mammogram classification and segmentation

Authors:
Yang Can Gong;Michael Brady;Styliani Petroudi
Affiliations:
Wolfson Medical Vision Laboratory, Robotics Research Group, University of Oxford, Oxford, UK;Wolfson Medical Vision Laboratory, Robotics Research Group, University of Oxford, Oxford, UK;Wolfson Medical Vision Laboratory, Robotics Research Group, University of Oxford, Oxford, UK
Venue:
IWDM'06 Proceedings of the 8th international conference on Digital Mammography
Year:
2006

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Abstract

Several studies have showed that increased mammographic density is an important risk factor for breast cancer. Dense tissue often appears as textured regions in mammograms, so density and texture estimation are inextricably linked. It has been demonstrated that texture classes can be learned, and that subsequently textures can be classified using the joint distribution of intensity values over extremely compact neighbourhoods. Motivated by the success of texture classification, we propose an fully automated scheme for mammogram texture classification and segmentation. The classification method first has a training step to model the joint distribution for each breast density class. Subsequently, a statistical comparison is used to determine the class label for new images. Inspired by the classification, we combine the so-called image patch method with a HMRF(Hidden Markov Random Field) to achieve mammogram segmentation.