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b/elastix-parameters/ParCOPD/Par0003.bs-R6-ug-5000SpatialSamples-3000itr.txt |
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// ********** Image Types |
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(FixedInternalImagePixelType "float") |
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(FixedImageDimension 3) |
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(MovingInternalImagePixelType "float") |
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(MovingImageDimension 3) |
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// ********** Components |
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(Registration "MultiResolutionRegistration") |
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(FixedImagePyramid "FixedSmoothingImagePyramid") |
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(MovingImagePyramid "MovingSmoothingImagePyramid") |
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(Interpolator "BSplineInterpolator") |
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(Metric "AdvancedMattesMutualInformation") |
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(Optimizer "StandardGradientDescent") |
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(ResampleInterpolator "FinalBSplineInterpolator") |
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(Resampler "DefaultResampler") |
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(Transform "BSplineTransform") |
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// ********** Pyramid |
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// Total number of resolutions |
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(NumberOfResolutions 6) |
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// default schedule: isotropic upsampling with factor 2 |
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// ********** Transform |
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(FinalGridSpacingInPhysicalUnits 12.0 12.0 12.0) |
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(GridSpacingSchedule 16.0 16.0 8.0 4.0 2.0 1.0) |
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(HowToCombineTransforms "Compose") |
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// ********** Optimizer |
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// Maximum number of iterations in each resolution level: |
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(MaximumNumberOfIterations 3000) |
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//SP: Param_a in each resolution level. a_k = a/(A+k+1)^alpha |
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(SP_a 10000.0) |
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//SP: Param_alpha in each resolution level. a_k = a/(A+k+1)^alpha |
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(SP_alpha 0.602) |
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//SP: Param_A in each resolution level. a_k = a/(A+k+1)^alpha |
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(SP_A 50.0) |
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// ********** Metric |
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//Number of grey level bins in each resolution level: |
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(NumberOfHistogramBins 32) |
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(FixedLimitRangeRatio 0.0) |
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(MovingLimitRangeRatio 0.0) |
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(FixedKernelBSplineOrder 1) |
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(MovingKernelBSplineOrder 3) |
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// ********** Several |
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(WriteTransformParametersEachIteration "false") |
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(WriteTransformParametersEachResolution "true") |
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(WriteResultImageAfterEachResolution "false") |
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(WriteResultImage "false") |
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(ShowExactMetricValue "false") |
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(ErodeMask "false") |
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// ********** ImageSampler |
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//Number of spatial samples used to compute the mutual information in each resolution level: |
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(ImageSampler "RandomSparseMask") |
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(NumberOfSpatialSamples 5000) |
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(NewSamplesEveryIteration "true") |
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(UseRandomSampleRegion "false") |
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// ********** Interpolator and Resampler |
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//Order of B-Spline interpolation used in each resolution level: |
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(BSplineInterpolationOrder 1) |
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//Order of B-Spline interpolation used for applying the final deformation: |
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(FinalBSplineInterpolationOrder 3) |
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//Default pixel value for pixels that come from outside the picture: |
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(DefaultPixelValue 0) |
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