Automated identification of the orientation of mediolateral oblique mammographic images

C.D.M. Henderson. August 2003, Revised October 2003

Abstract

When comparing mammogram images, whether temporal or bilateral, it is essential that the orientation of the breasts in each image match. This initial image orientation problem is generally omitted from the registration procedure and left to the operator to provide the x-ray images in the order and orientation that the software system requires. In a fully automated system, this is an unacceptable burden on the system operator. This paper describes an algorithmic procedure for identifying the orientation of mediolateral oblique breast images that can be used as a first step in the process of mammogram registration in an automated system.

Keywords. mammogram orientation; image processing; image analysis

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CRAIG HENDERSON holds a B.Sc. Honours Degree in Computing for Real Time Systems, has been a professional software engineer for over 11 years. His interests include systems programming, enterprise software and modern generic programming. He works in the UK as a Software Development Manager. He can be contacted at cdm.henderson@googlemail.com.

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