System and method for atlas registration

Patent metadata

Field	Value
Publication number	US-9501829-B2
Application number	US-201514923325-A
Country	US
Kind code	B2
Filing date	Oct 26, 2015
Priority date	Mar 29, 2011
Publication date	Nov 22, 2016
Grant date	Nov 22, 2016

Abstract

A system and method for associating anatomically significant regions with regions of one or more images may include automatically modifying images of different modalities according to different correction algorithms, providing a user interface for identifying a plane within three-dimensional data, scaling atlas structures to fit an anatomical image according to identified landmarks, registering an atlas to such an image via a combination of registration algorithms, and/or registering an atlas to such an image using a feature extraction algorithm.

First claim

What is claimed is:

1. A system for associating anatomical information with image data that forms a three-dimensional space, the system comprising:
a computer processor configured to:
output a graphical user interface (GUI) in which a first two-dimensional image slice of the image data and a second two-dimensional image slice of the image data are simultaneously displayed, wherein the first and second two-dimensional image slices are orthogonal to each other;
obtain, via user interaction with the GUI, selection of three points within the three-dimensional space, two of the three points being selected in different respective ones of the first and second two-dimensional image slices, wherein a first point of the three points corresponds to an anterior commissure (AC) and a second point of the three points corresponds to a posterior commissure (PC);
record the three points in association with the image data;
selecting an alignment point along a line connecting the AC to the PC;
aligning the image data with an anatomical atlas by anisotropically scaling the image data using a first scaling factor in an anterior/posterior direction relative to the alignment point and a second scaling factor in a superior/inferior direction relative to the alignment point, wherein the first and second scaling factors are different.

2. The system of claim 1 , wherein the processor is configured to align the anatomical atlas with the image data using the second scaling factor in a left/right direction relative to the alignment point.

3. The system of claim 1 , wherein the GUI further includes a display of a third two-dimensional image slice that is parallel to the first two-dimensional image slice, and one of the three points is selected at a region of the second two-dimensional image slice, the region corresponding to the third two-dimensional image slice.

4. The system of claim 1 , wherein the alignment point is a mid-commissural point (MCP).

5. The system of claim 1 , wherein aligning the image data with an anatomical atlas by anisotropically scaling the image data further comprises aligning the image data with the anatomical atlas by non-linearly scaling the image data in at least one direction.

6. The system of claim 5 , wherein aligning the image data with an anatomical atlas by anisotropically scaling the image data further comprises aligning the image data with the anatomical atlas by non-linearly scaling the image data in the anterior/posterior direction and in the superior/inferior direction.

7. The system of claim 5 , wherein aligning the image data with an anatomical atlas by anisotropically scaling the image data further comprises aligning the image data with the anatomical atlas by non-linearly scaling the image data in the superior/inferior direction and linearly scaling the image date in the anterior/posterior direction.

8. The system of claim 1 , wherein at least one of the first scale factor or the second scale factor varies with distance from the alignment point.

9. The system of claim 8 , wherein both of the first scale factor and the second scale factor vary with distance from the alignment point.

10. The system of claim 9 , wherein the first and second scale factors vary inversely with distance from the alignment point.

Assignees

• Boston Scient Neuromodulation Corp

Inventors

• Carlton Keith
• Blum David
• Kokones Scott

Classifications

• G06T12/00

  Tomographic reconstruction from projections · CPC title

• G06T7/30

  Determination of transform parameters for the alignment of images, i.e. image registration · CPC title

• G06T2207/10092

  Diffusion tensor magnetic resonance imaging [DTI] · CPC title

• A61N1/37247

  User interfaces, e.g. input or presentation means · CPC title

• G06T11/60

  Creating or editing images; Combining images with text · CPC title