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Visualizing deformation fields for image transformations
专利权人:
发明人:
申请号:
EP11170026.6
公开号:
EP2525323A1
申请日:
2011.06.15
申请国别(地区):
EP
年份:
2012
代理人:
摘要:
There is provided a method comprising: obtaining first and second datasets representative of first and second images of an object at different times, respectively obtaining a deformation field, in particular a three dimensional vector field, representative of changes between the first and second data sets, wherein the deformation field is generated by performing a rigid or non-rigid registration generating one or more masks and/or segmentations for selecting elements of the first image selecting elements of the first image, in particular contours, points, and/or dosimetric image portions transforming the first dataset using the deformation field to project the selected elements onto the second image visualizing the deformation field or previously specified portions thereof processing the deformation field or previously specified portions thereof to obtain data representative of different predetermined types of deformation, in particular coarse and fine deformations and visualizing the deformation field or one or more selected portions thereof, thereby to visualise the predetermined types of deformations separately and to enable a differentiation between changes in the patients body and changes, in particular errors in the patients position.
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