Measurement of bone density and bone structure from x-ray...

Details Measurement of bone density and bone structure from x-ray... Measurement of bone density and bone structure from x-ray...

G - Physics

06

F

G06F 19/00 (2006.01) A61B 6/00 (2006.01) A61B 6/14 (2006.01) G06T 7/00 (2006.01) G06T 7/60 (2006.01)

Patent

CA 2495745

A method for the analysis of bone mineral density and/or bone structure from x- ray images using calibration phantoms which act as references in order to determine bone structure from an x-ray image. Regions of anatomical interest (ROI) in the image are identified. The method comprises: obtaining an x-ray image, analysing the image obtained using Hough transform skeleton operator, morphological operators, mean pixel intensity, variance of pixel intensity Fourier spectral analysis, fractal dimension or morphological parameters to derive quantitative information on bone structure.

L'invention concerne des procédés et des dispositifs permettant l'analyse de radiographies, en particulier des dispositifs, des procédés et des algorithmes permettant une évaluation précise et fiable de la structure osseuse à partir de radiographies.

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