System and method for medical image correction
First Claim
1. A method, comprising:
- receiving a target image, wherein the target image is a distorted magnetic resonance image comprising distortions in y-coordinates of pixels of the target image based on application of phase encoding gradient pulse along a y-axis and frequency encoding gradient pulse along an x-axis in an interleaved fashion;
receiving a reference image, wherein the reference image is an undistorted magnetic resonance image;
selecting an image registration method for registering the target image to the reference image, wherein the image registration method uses an image transformation to reduce distortions, wherein the image transformation consists of modifying the y-coordinates of the pixels based on corresponding pixels of the reference image using a polynomial function;
performing image registration of the target image with the reference image, wherein the image registration provides a plurality of optimized parameters of the image transformation; and
generating a corrected image based on the target image and the plurality of optimized parameters of the image transformation.
1 Assignment
0 Petitions
Accused Products
Abstract
A method implemented using at least one processor includes receiving a target image and a reference image. The target image is a distorted magnetic resonance image and the reference image is an undistorted magnetic resonance image. The method further includes selecting an image registration method for registering the target image to the reference image, wherein the image registration method uses an image transformation. The method further includes performing image registration of the target image with the reference image, wherein the image registration provides a plurality of optimized parameters of the image transformation. The method also includes generating a corrected image based on the target image and the plurality of optimized parameters of the image transformation.
-
Citations
21 Claims
-
1. A method, comprising:
-
receiving a target image, wherein the target image is a distorted magnetic resonance image comprising distortions in y-coordinates of pixels of the target image based on application of phase encoding gradient pulse along a y-axis and frequency encoding gradient pulse along an x-axis in an interleaved fashion; receiving a reference image, wherein the reference image is an undistorted magnetic resonance image; selecting an image registration method for registering the target image to the reference image, wherein the image registration method uses an image transformation to reduce distortions, wherein the image transformation consists of modifying the y-coordinates of the pixels based on corresponding pixels of the reference image using a polynomial function; performing image registration of the target image with the reference image, wherein the image registration provides a plurality of optimized parameters of the image transformation; and generating a corrected image based on the target image and the plurality of optimized parameters of the image transformation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A system, comprising:
-
at least one processor and a memory communicatively coupled to a communications bus; an image acquisition module for receiving a target image and a reference image, wherein the target image is a distorted magnetic resonance image and the reference image is an undistorted magnetic resonance image, and wherein the target image comprises distortions in y-coordinates of pixels based on application of phase encoding gradient pulse along a y-axis and frequency encoding gradient pulse along an x-axis in an interleaved fashion; an image registration module communicatively coupled to the image acquisition module and configured to; select an image registration method for registering the target image to the reference image, wherein the image registration method uses an image transformation to reduce distortions, wherein the image transformation consists of modifying the y-coordinates of the pixels of the target image based on corresponding pixels of the reference image using a polynomial function; perform image registration of the target image with the reference image, wherein the image registration provides a plurality of optimized parameters of the image transformation; and an image correction module communicatively coupled to the image registration module and configured to generate a corrected image based on the target image and the plurality of optimized parameters of the image transformation, wherein the image acquisition module, the image registration module, and the image correction module are coupled to the communications bus, and wherein at least one of the image acquisition module, the image registration module, and the image correction module is stored in the memory and executable by the at least one processor. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
-
-
21. A non-transitory computer readable medium encoded with a program to enable at least one processor to:
-
receive a target image, wherein the target image is a distorted magnetic resonance image comprising distortions in y-coordinate of pixels of the target image based on application of phase encoding gradient pulse along a y-axis and frequency encoding gradient pulse along x-axis in an interleaved fashion; receive a reference image, wherein the reference image is an undistorted magnetic resonance image; select an image registration method for registering the target image to the reference image, wherein the image registration method uses an image transformation to reduce distortions, wherein the image transformation consists of modifying the y-coordinates of the pixels based on corresponding pixels of the reference image using a polynomial function; perform image registration of the target image with the reference image, wherein the image registration provides a plurality of optimized parameters of the image transformation; and generate a corrected image based on the target image and the plurality of the optimized parameters of the image transformation.
-
Specification