Subtle intensity graduating homomorphic transform to improve conspicuity of low-intensity pathologies
AssigneeSiemens Healthcare GmbH
InventorsVenkata Veerendranadh Chebrolu, Eric Stinson, Peter Kollasch
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Abstract
The present disclosure is directed to systems and methods for visualizing low-intensity pathologies or anatomical structures. The method can include applying, via a MRI machine, an RF pulse configured to suppress the imaging of fat in the subject and acquiring, via the MRI machine, an image of the subject. A subtle intensity graduating homomorphic transform is applied to the acquired image to provide improved visualized of the low-intensity pathology or anatomical structure. The resulting transformed image can be output to the user.
Claims12
An MRI system for imaging a subject, the MRI system comprising:
- an MRI machine;
- and
- a computer system coupled to the MRI machine, the computer system comprising:
- a processor, and
- a memory coupled to the processor, the memory storing instructions that, when executed by the processor, cause the computer system to:
- apply, via the MRI machine, an RF pulse configured to suppress the imaging of fat in the subject,
- acquire, via the MRI machine, an image of the subject,
- apply a transformation to the acquired image to generate a transformed image, the transformation (Y) defined by:
- Y
- =
- X
- (
- p
- q
- )
- m
- (
- p
- q
- )
- ×
- C
- wherein X is a voxel intensity of the acquired image, m is a maximum intensity present in the acquired MM image, (p/q) is a scaled power of the transformation that is less than 1, and C is a scalar, and
- output the transformed image.
A computer-implemented method for imaging a subject, the method comprising:
- applying, via an MRI machine, an RF pulse configured to suppress the imaging of fat in the subject;
- acquiring, via the MRI machine, an image of the subject;
- applying a transformation to the acquired image to generate a transformed image, the transformation (Y) defined by:
- Y
- =
- X
- (
- p
- q
- )
- m
- (
- p
- q
- )
- ×
- C
- wherein X is a voxel intensity of the acquired image, m is a maximum intensity present in the acquired MM image, (p/q) is a scaled power of the transformation that is less than 1, and C is a scalar;
- and
- outputting the transformed image.
Dependencies are inferred from the claim text.