--- a +++ b/elastix-parameters/Par0007/Parameters.MI.Coarse.Bspline_tuned.txt @@ -0,0 +1,90 @@ +// ********** Image Types + +(FixedInternalImagePixelType "float") +(FixedImageDimension 3) +(MovingInternalImagePixelType "float") +(MovingImageDimension 3) + + +// ********** Components + +(Registration "MultiResolutionRegistration") +(FixedImagePyramid "FixedRecursiveImagePyramid") +(MovingImagePyramid "MovingRecursiveImagePyramid") +(Interpolator "BSplineInterpolator") +(Metric "AdvancedMattesMutualInformation") +(Optimizer "StandardGradientDescent") +(ResampleInterpolator "FinalBSplineInterpolator") +(Resampler "DefaultResampler") +(Transform "BSplineTransform") + + +// ********** Pyramid + +// Total number of resolutions +(NumberOfResolutions 5) +(ImagePyramidSchedule 16 16 16 8 8 8 4 4 4 2 2 2 1 1 1) +//16mm 8mm 4mm 2mm 1mm + +// ********** Transform + +(FinalGridSpacingInPhysicalUnits 10.0 10.0 10.0) +(GridSpacingSchedule 16.0 8.0 4.0 2.0 1.0) +//160mm every 10 voxel, 80mm, every 10 voxel, 40mm, every 10 voxel, 20mm, every 10 voxel, 10mm, every 10 voxel +(HowToCombineTransforms "Compose") + + +// ********** Optimizer + +// Maximum number of iterations in each resolution level: +(MaximumNumberOfIterations 500) + +//SP: Param_a in each resolution level. a_k = a/(A+k+1)^alpha +(SP_a 10000.0 10000.0 5000.0 1000.0 1000.0) +//(SP_a 8000.0 2000.0 2000.0 2000.0 2000.0) + +//SP: Param_alpha in each resolution level. a_k = a/(A+k+1)^alpha +(SP_alpha 0.6) + +//SP: Param_A in each resolution level. a_k = a/(A+k+1)^alpha +(SP_A 50.0) + + +// ********** Metric + +(NumberOfHistogramBins 32 32 32 32 32) +(UseFastAndLowMemoryVersion "true") + + +// ********** Several + +(WriteTransformParametersEachIteration "false") +(WriteTransformParametersEachResolution "true") +(WriteResultImageAfterEachResolution "false") +(WriteResultImage "true") +(ShowExactMetricValue "false") +(ErodeMask "false") + + +// ********** ImageSampler + +//Number of spatial samples used to compute the mutual information in each resolution level: +(ImageSampler "RandomCoordinate") +(NumberOfSpatialSamples 2000) +(NewSamplesEveryIteration "true") +//(UseRandomSampleRegion "true") +//(SampleRegionSize 50.0 50.0 50.0) +//(MaximumNumberOfSamplingAttempts 50) + + +// ********** Interpolator and Resampler + +//Order of B-Spline interpolation used in each resolution level: +(BSplineInterpolationOrder 1) + +//Order of B-Spline interpolation used for applying the final deformation: +(FinalBSplineInterpolationOrder 3) + +//Default pixel value for pixels that come from outside the picture: +(DefaultPixelValue 0) +