Methods and devices for analysis of x-ray images
AssigneeImaging Therapeutics, Inc.
InventorsPhilipp Lang, Daniel Steines
Life of this patent
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Abstract
The present invention relates to methods and devices for analyzing x-ray images. In particular, devices, methods and algorithms are provided that allow for the accurate and reliable evaluation of bone mineral density and bone structure from x-ray images.
Claims30
A method to derive quantitative information on bone structure from an x-ray image comprising:
- (a) obtaining an x-ray image;
- and
- (b) analyzing the image obtained in step (a) using one or more indices selected from the group consisting of Hough transform, skeleton operator, morphological operators, mean pixel intensity, variance of pixel intensity, frequency spectral analysis, fractal dimension, morphological parameters and combinations thereof, thereby deriving quantitative information on bone structure, wherein at least one of the indices is a skeleton operator.
A method to derive quantitative information on bone structure from an x-ray image comprising:
- (a) obtaining an x-ray image;
- and
- (b) analyzing the image obtained in step (a) using one or more indices selected from the group consisting of Hough transform, skeleton operator, morphological operators, mean pixel intensity, variance of pixel intensity, frequency spectral analysis, fractal dimension, morphological parameters and combinations thereof, thereby deriving quantitative information on bone structure, wherein at least one of the indices is a morphological operator.
A method to derive quantitative information on bone structure from an x-ray image comprising:
- (a) obtaining an x-ray image;
- and
- (b) analyzing the image obtained in step (a) using one or more indices selected from the group consisting of Hough transform, skeleton operator, morphological operators, mean pixel intensity, variance of pixel intensity, frequency spectral analysis, fractal dimension, morphological parameters and combinations thereof, thereby deriving quantitative information on bone structure, wherein at least one of the indices is a mean pixel intensity.
A method to derive quantitative information on bone structure from an x-ray image comprising:
- (a) obtaining an x-ray image;
- and
- (b) analyzing the image obtained in step (a) using one or more indices selected from the group consisting of Hough transform, skeleton operator, morphological operators, mean pixel intensity, variance of pixel intensity, frequency spectral analysis, fractal dimension, morphological parameters and combinations thereof, thereby deriving quantitative information on bone structure, wherein at least one of the indices is variance of pixel intensity.
A method to derive quantitative information on bone structure from an x-ray image comprising:
- (a) obtaining an x-ray image;
- and
- (b) analyzing the image obtained in step (a) using one or more indices selected from the group consisting of Rough transform, skeleton operator, morphological operators, mean pixel intensity, variance of pixel intensity, frequency spectral analysis, fractal dimension, morphological parameters and combinations thereof, thereby deriving quantitative information on bone structure, wherein at least one of the indices is frequency spectral analysis.
A method to derive quantitative information on bone structure from an x-ray image comprising:
- (a) obtaining an x-ray image;
- and
- (b) analyzing the image obtained in step (a) using one or more indices selected from the group consisting of Hough transform, skeleton operator, morphological operators, mean pixel intensity, variance of pixel intensity, frequency spectral analysis, fractal dimension, morphological parameters and combinations thereof, thereby deriving quantitative information on bone structure, wherein at least one of the indices is fractal dimension.
A method to derive quantitative information on bone structure from an x-ray image comprising:
- (a) obtaining an x-ray image;
- and
- (b) analyzing the image obtained in step (a) using one or more indices selected from the group consisting of Hough transform, skeleton operator, morphological operators, mean pixel intensity, variance of pixel intensity, frequency spectral analysis, fractal dimension, morphological parameters and combinations thereof, thereby deriving quantitative information on bone structure, wherein at least one of the indices is a morphological parameter.
Dependencies are inferred from the claim text.