System and method for leadwire location
First Claim
Patent Images
1. A system for recognition of an implanted three-dimensional stimulation leadwire, the system comprising:
- a computer processor configured to;
obtain a plurality of two-dimensional images, each image including a representation of a respective cross-section of the leadwire along a path and in a respective plane, the planes being parallel to each other;
for each of at least a subset, including at least two, of the plurality of two-dimensional images, identify in the image a predetermined two-dimensional feature; and
identify the three-dimensional leadwire based on the identified two-dimensional features, wherein the identification includes;
determining a length of the leadwire based on how many of the plurality of two-dimensional images include the two-dimensional feature;
comparing the determined length of the leadwire to a length of at least one known leadwire; and
determining that the leadwire corresponds to the at least one known leadwire when the determined length of the leadwire and the length of the at least one known leadwire match.
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Abstract
A system and method for leadwire location may provide for recognition of the leadwire via analysis of a series of two-dimensional images that include representations of the leadwire, and/or determining an orientation of the leadwire with reference to a marker on the leadwire.
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Citations
22 Claims
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1. A system for recognition of an implanted three-dimensional stimulation leadwire, the system comprising:
a computer processor configured to; obtain a plurality of two-dimensional images, each image including a representation of a respective cross-section of the leadwire along a path and in a respective plane, the planes being parallel to each other; for each of at least a subset, including at least two, of the plurality of two-dimensional images, identify in the image a predetermined two-dimensional feature; and identify the three-dimensional leadwire based on the identified two-dimensional features, wherein the identification includes; determining a length of the leadwire based on how many of the plurality of two-dimensional images include the two-dimensional feature; comparing the determined length of the leadwire to a length of at least one known leadwire; and determining that the leadwire corresponds to the at least one known leadwire when the determined length of the leadwire and the length of the at least one known leadwire match. - View Dependent Claims (2, 3, 4, 5)
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6. A system for recognition of an implanted three-dimensional stimulation leadwire, the system comprising:
a computer processor configured to; obtain a plurality of two-dimensional images, each image including a representation of a respective cross-section of the leadwire along a path and in a respective plane, the planes being parallel to each other; for each of at least a subset, including at least two, of the plurality of two-dimensional images, identify in the image a predetermined two-dimensional feature; and identify the three-dimensional leadwire based on the identified two-dimensional features, wherein the identification includes; comparing a two-dimensional feature of at least one of the plurality of two-dimensional images to a two-dimensional feature of at least one known leadwire; and determining that the leadwire corresponds to the at least one known leadwire when a geometric pattern of the two-dimensional feature of the at least one image matches a geometric pattern of the two-dimensional feature of the at least one known leadwire. - View Dependent Claims (7, 8, 9)
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10. A computer-implemented method for recognition of an implanted three-dimensional stimulation leadwire, the method comprising:
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obtaining a plurality of two-dimensional images, each image including a representation of a respective cross-section of the leadwire along a path and in a respective plane, the planes being parallel to each other; for each of at least a subset, including at least two, of the plurality of two-dimensional images, identifying, by a computer processor and in the image a predetermined two-dimensional feature; and identifying, by the processor, the three-dimensional leadwire based on the identified two-dimensional features, wherein the identifying includes; determining a length of the leadwire based on how many of the plurality of two-dimensional images include the two-dimensional feature; comparing the determined length of the leadwire to a length of at least one known leadwire; and determining that the leadwire corresponds to the at least one known leadwire when the determined length of the leadwire and the length of at least one known leadwire match. - View Dependent Claims (11, 12, 13, 14)
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15. A computer-implemented method for recognition of an implanted three-dimensional stimulation leadwire, the method comprising:
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obtaining a plurality of two-dimensional images, each image including a representation of a respective cross-section of the leadwire along a path and in a respective plane, the planes being parallel to each other; for each of at least a subset, including at least two, of the plurality of two-dimensional images, identifying, by a computer processor and in the image a predetermined two-dimensional feature; and identifying, by the processor, the three-dimensional leadwire based on the identified two-dimensional features, wherein the identifying includes; comparing a two-dimensional feature of at least one of the plurality of two-dimensional images to a two-dimensional feature of at least one known leadwire; and determining that the leadwire corresponds to the at least one known leadwire when a geometric pattern of the two-dimensional feature of the at least one image matches a geometric pattern of the two-dimensional feature of the at least one known leadwire. - View Dependent Claims (16, 17, 18)
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19. A non-transitory computer-readable medium having stored thereon instructions executable by a processor, the instructions which, when executed by the processor, cause the processor to perform a method for recognition of an implanted three-dimensional stimulation leadwire, the method comprising:
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obtaining a plurality of two-dimensional images, each image including a representation of a respective cross-section of the leadwire along a path and in a respective plane, the planes being parallel to each other; for each of at least a subset, including at least two, of the plurality of two-dimensional images, identifying in the image a predetermined two-dimensional feature; and identifying the three-dimensional leadwire based on the identified two-dimensional features, wherein the identification includes; comparing a two-dimensional feature of at least one of the plurality of two-dimensional images to a two-dimensional feature of at least one known leadwire; and determining that the leadwire corresponds to the at least one known leadwire when a geometric pattern of the two-dimensional feature of the at least one image matches a geometric pattern of the two-dimensional feature of the at least one known leadwire.
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20. A system for recognition of an implanted three-dimensional stimulation leadwire, the system comprising:
a computer processor configured to; obtain a plurality of two-dimensional images, each image including a representation of a respective cross-section of the leadwire along a path and in a respective plane, the planes being parallel to each other; for each of at least a subset, including at least two, of the plurality of two-dimensional images, identify in the image a predetermined two-dimensional feature; and identify the three-dimensional leadwire based on the identified two-dimensional features, wherein the processor is further configured to determine a respective shape of the two-dimensional feature in each of the subset of images and determine a pattern in a sequence of the shapes of the two-dimensional features between the subset of images, wherein the identification of the three-dimensional leadwire is based on the determined pattern.
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21. A system for recognition of an implanted three-dimensional stimulation leadwire, the system comprising:
a computer processor configured to; obtain a plurality of two-dimensional images, each image including a representation of a respective cross-section of the leadwire along a path and in a respective plane, the planes being, parallel to each other; for each of at least a subset, including at least two, of the plurality of two-dimensional images, identify in the image a redetermined two-dimensional feature; and identify the three-dimensional leadwire based on the identified two-dimensional features, wherein the identification of the three-dimensional leadwire is performed by overlaying (1) a combination of the identified two-dimensional features and (2) a stored object form, and determining a degree of overlap between the combination and the stored object.
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22. A system for recognition of an implanted three-dimensional stimulation leadwire, the system comprising:
a computer processor configured to; obtain a plurality of two-dimensional images, each image including a representation of a respective cross-section of the leadwire along a path and in a respective plane, the planes being parallel to each other; for each of at least a subset, including at least two, of the plurality of two-dimensional images, identify in the image a predetermined two-dimensional feature; and identify the three-dimensional leadwire based on the identified two-dimensional features, wherein the identification of the predetermined two-dimensional feature includes removing all image data of the image but for saturated data, and subsequently removing, from the image data, image data corresponding to a skull outline.
Specification