set(DOCUMENTATION "This module contains the GPU implementation of classes for deformable image registration based on intensity differences by solving the PDE, optical flow problem. This includes Thirion's popular \"demons\" algorithm.") itk_module( ITKGPUPDEDeformableRegistration DEPENDS ITKCommon ITKGPUCommon ITKGPUFiniteDifference COMPILE_DEPENDS ITKPDEDeformableRegistration ITKGPURegistrationCommon TEST_DEPENDS ITKTestKernel ITKImageGrid ITKImageIntensity ITKImageFunction DESCRIPTION "${DOCUMENTATION}")