Method and apparatus for cross modality image registration
First Claim
Patent Images
1. An apparatus for image registration comprising:
- a controller for selecting at least one reference information structure;
a controller for selecting at least one sensor model; and
a processor for matching image data to said at least one reference information structure using said at least one sensor model.
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Abstract
An apparatus and method for image registration involves selecting a registration model, selecting a distance measure incorporating the registration model, and registering a first image with a second image using a registration transform using the distance measure.
252 Citations
35 Claims
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1. An apparatus for image registration comprising:
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a controller for selecting at least one reference information structure;
a controller for selecting at least one sensor model; and
a processor for matching image data to said at least one reference information structure using said at least one sensor model. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An apparatus for image registration comprising:
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a controller for selecting at least two images;
a controller for selecting at least one sensor model;
a controller for selecting at least one distribution model; and
a processor for matching said at least two images to each other using said sensor model and said at least one distribution model. - View Dependent Claims (8, 9, 10)
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11. An apparatus for image registration comprising:
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a controller for selecting at least a first image and a second image;
a controller for selecting at least one distribution model corresponding to a segmentation of said first image; and
a processor for matching at least said first image and said second image using said at least one distribution model. - View Dependent Claims (12)
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13. An apparatus for image registration comprising:
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a controller for selecting at least a first image and a second image;
a controller for selecting at least two distribution models;
a controller for selecting a distance measure for measuring a distance between at least two of said selected distribution models; and
a processor for matching at least said first image and said second image using said at least one distribution model and said distance measure.
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14. A method for image registration comprising:
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selecting a registration model;
selecting a distance measure incorporating the registration model; and
registering a first image with at least a second image using a registration transform using said distance measure. - View Dependent Claims (15, 16)
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17. A method for image registration comprising:
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selecting at least one landmark in a first image;
determining at least one normal vector for at least one of said selected at least one landmark;
computing at least one gradient vector for a second image; and
registering said first image and said second image by matching said at least one normal vector corresponding to said first image to said at least one gradient vector for said second image.
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18. A method for image registration comprising:
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selecting at least one reference information structure;
selecting at least one sensor model; and
matching image data to said at least one reference information structure using said at least one sensor model.
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19. A method for image registration comprising:
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selecting at least two images;
selecting at least one sensor model;
selecting at least one distribution model; and
matching said at least two images to each other using said at least one sensor model and said at least one distribution model.
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20. A method for image registration comprising:
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selecting at least a first image and a second image;
selecting at least one distribution model corresponding to a segmentation of said first image; and
matching at least said first image and said second image using said at least one distribution model.
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21. An apparatus for image registration comprising:
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means for selecting a registration model;
means for selecting a distance measure incorporating the registration model; and
means for registering a first image with at least a second image using a registration transform using said distance measure.
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22. An apparatus for image registration comprising:
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means for selecting at least one landmark in a first image;
means for determining at least one normal vector for at least one of said selected at least one landmark;
means for computing at least one gradient vector for a second image; and
means for registering said first image and said second image by matching said at least one normal vector corresponding to said first image to said at least one gradient vector for said second image.
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23. An apparatus for image registration comprising:
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means for selecting at least one reference information structure;
means for selecting at least one sensor model; and
means for matching image data to said at least one reference information structure using said at least one sensor model.
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24. An apparatus for image registration comprising:
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means for selecting a first image and a second image;
means for selecting at least one sensor model;
means for selecting at least one distribution model; and
means for matching said first image and said second image using said sensor model and said at least one distribution model.
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25. An apparatus for image registration comprising:
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means for selecting at least a first image and a second image;
means for selecting at least one distribution model corresponding to a segmentation of said first image; and
means for matching at least said first image and said second image using said at least one distribution model.
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26. A method for image registration during a medical procedure comprising:
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selecting landmarks on a subject'"'"'s body with a probe;
computing from an orientation of said probe, corresponding normals for said selected landmarks;
computing normals for an image, wherein said image contains elements corresponding to said selected landmarks on said subject'"'"'s body; and
registering said image with a coordinate frame corresponding to a position of said subject'"'"'s body by relating said normals for said selected landmarks to said normals for said image.
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27. An apparatus for image registration during a medical procedure comprising:
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a probe;
means for computing from an orientation of said probe, normals corresponding to landmarks on a subject'"'"'s body selected by said probe;
means for computing normals for an image, wherein said image contains elements corresponding to said selected landmarks on said subject'"'"'s body; and
means for registering said image with a coordinate frame corresponding to a position of said subject'"'"'s body by relating said normals for said selected landmarks to said normals for said image.
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28. A surgical navigation system comprising:
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a probe;
means for computing from an orientation of said probe, normals corresponding to landmarks on a subject'"'"'s body selected by said probe;
means for computing normals for an image, wherein said image contains elements corresponding to said selected landmarks on said subject'"'"'s body; and
means for registering said image with a coordinate frame corresponding to a position of said subject'"'"'s body by relating said normals for said selected landmarks to said normals for said image.
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29. A surgical navigation system for image registration comprising:
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a controller for selecting at least one reference information structure;
a controller for selecting at least one sensor model; and
a processor for matching image data to said at least one reference information structure using said at least one sensor model.
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30. A surgical navigation system for image registration comprising:
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a controller for selecting at least a first image and a second image;
a controller for selecting at least one distribution model corresponding to a segmentation of said first image; and
a processor for matching at least said first image and said second image using said at least one distribution model.
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31. A surgical navigation system for image registration comprising:
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selecting a registration model;
selecting a distance measure incorporating the registration model; and
registering a first image with at least a second image using a registration transform using said distance measure.
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32. An apparatus for image registration comprising:
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means for selecting a registration model;
means for selecting a distance measure incorporating the registration model; and
means for registering a first image with at least a second image using a registration transform using said distance measure.
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33. A computer program product for use in a computer adapted for image registration, the computer program product comprising a computer readable medium for storing computer readable code means, which when executed by the computer, enables the computer to perform image registration, and wherein the computer readable code means includes computer readable instructions for causing the computer to execute a method comprising:
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means for selecting a registration model;
selecting a registration model;
selecting a distance measure incorporating the registration model; and
registering a first image with at least a second image using a registration transform using said distance measure.
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34. A method for correlating images comprising:
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selecting a registration model;
selecting a distance measure incorporating the registration model; and
correlating a first image with at least a second image using a transform using said distance measure.
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35. A method for correlating images comprising:
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selecting a gaussian registration model comprising at least one of either a sensor model or a distribution model indicating the distribution of image elements constituting at least one anatomic feature of interest;
selecting a Kullback-Liebler distance measure incorporating the registration model; and
correlating a first image with at least a second image using a transform using said distance measure.
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Specification