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Lookup NU author(s): Dr Sasan Mahmoodi,
Professor Bayan Sharif,
Dr Graeme Chester,
Dr John Owen,
Dr Richard Lee
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This paper presents an automated growth estimation system based on Bayesian principle by using knowledge-based vision methods to localize and segment bones in hand radiographs. Traditional manual methods have been tedious and prone to inter and intra observer inconsistencies. A robust segmentation algorithm known as Active Shape Models (ASM) followed by a hierarchical bone localization scheme is used to detect bone contours and also to produce a shape descriptor of bone development. Traditional image processing techniques are applied to generate different descriptors for bone shapes. A Bayesian decision-making algorithm is then applied to the descriptors for growth estimation purposes. The estimation accuracy was 85% for females and 83% for males, which suggests that the proposed approach has a potential application in paediatric medicine.
Author(s): Mahmoodi S, Sharif BS, Chester EG, Owen JP, Lee REJ
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: Proceedings of the 1999 7th International Conference on Image Processing and its Applications
Year of Conference: 1999