Method, a system, a computer program product and a user interface for segmenting image sets
First Claim
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1. A method for segmenting image sets, comprising:
- defining deformation in a computer by at least one four-dimensional control point in a deformation area defined in in three spatial coordinates and a temporal coordinate, wherein the deformation area is spatially and temporally constrained,modifying in a computer a content of said deformation area around said control point, wherein the modifying comprises transforming spatial and temporal coordinates of a point in the deformation area, wherein said transforming happens according to a vector field defined in terms of a transformation of said control point and difference between said control point and said point in the deformation area, the difference being calculated using spatial and temporal coordinates, wherein a norm of the transformation vector of said vector field at the control point is ∥
V∥
, and wherein the norm of the transformation vector of said vector field is shorter than ∥
V∥
at a border of the deformation area, andrepeating the defining deformation and the modifying.
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Abstract
The current invention relates to the segmentation of image sets in four dimensions. A method for segmenting image sets comprises steps for defining deformation by at least one control point in a deformation area defined in four dimensions and modifying the content of said deformation area based on said control point, wherein the steps are iterated. The invention also relates to a system, a computer program product and a graphical user interface.
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Citations
16 Claims
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1. A method for segmenting image sets, comprising:
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defining deformation in a computer by at least one four-dimensional control point in a deformation area defined in in three spatial coordinates and a temporal coordinate, wherein the deformation area is spatially and temporally constrained, modifying in a computer a content of said deformation area around said control point, wherein the modifying comprises transforming spatial and temporal coordinates of a point in the deformation area, wherein said transforming happens according to a vector field defined in terms of a transformation of said control point and difference between said control point and said point in the deformation area, the difference being calculated using spatial and temporal coordinates, wherein a norm of the transformation vector of said vector field at the control point is ∥
V∥
, and wherein the norm of the transformation vector of said vector field is shorter than ∥
V∥
at a border of the deformation area, andrepeating the defining deformation and the modifying. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A system for segmenting image sets, said system comprising:
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a computer a computer readable medium, and computer program instructions recorded on the computer readable medium that when executed by the computer cause the system to at least define deformation by at least one four-dimensional control point in a deformation area defined in four dimensions, wherein the deformation area is spatially and temporally constrained, wherein said deformation is done using spatial and temporal coordinates, modify a content of said deformation area around said control point, wherein the modifying comprises transforming spatial and temporal coordinates of a point in the deformation area, wherein said transforming happens according to a vector field defined in terms of a transformation of said control point and difference between said control point and said point in the deformation area, the difference being calculated using spatial and temporal coordinates, wherein a norm of the transformation vector of said vector field at the control point is ∥
V∥
, and wherein the norm of the transformation vector of said vector field is shorter than ∥
V∥
at a border of the deformation area, andrepeat the defining deformation and modifying. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A computer program product, comprising:
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a non-transitory computer readable medium; and computer program instructions recorded on the computer readable medium and executable by a processor for carrying out a method for segmenting image sets, the method comprising defining deformation in a computer by at least one four-dimensional control point in a deformation area defined in four dimensions, wherein the deformation area is spatially and temporally constrained, and wherein said defining of said deformation is done using spatial and temporal coordinates, modifying in a computer a content of said deformation area around said control point, wherein the modifying comprises transforming spatial and temporal coordinates of a point in the deformation area, wherein said transforming happens according to a vector field defined in terms of a transformation of said control point and difference between said control point and said point in the deformation area, the difference being calculated using spatial and temporal coordinates, wherein a norm of the transformation vector of said vector field at the control point is ∥
V∥
, and wherein the norm of the transformation vector of said vector field is shorter than ∥
V∥
at a border of the deformation area, andrepeating the defining deformation and the modify. - View Dependent Claims (16)
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Specification