Allows users to estimate the forward and reverse transformation between two images. SICLE is an image registration algorithm that determines the forward and reverse transformation between them while minimizing the inverse consistency error. It acts like that to cut the correspondence between these transformations associated with large inverse consistency errors. The estimated transformations are regularized thanks to a thin-plate spline (TPS) model.
Allows to perform registration and segmentation for image analysis. Segmentation is the process of identifying and classifying data found in a digitally sampled representation. ITK uses a model of software development known as Extreme Programming. The sampled representation is an image acquired from such medical instrumentation as Computed Tomography (CT), Magnetic Resonance Imaging (MRI) or ultrasound scanners. Registration is the task of aligning or developing correspondences between data. For example, in the medical environment, a CT scan may be aligned with a MRI scan in order to combine the information contained in both.
Conducts surface registration from multiple sources of information. MSM represents displacement of each surface vertex in form of a discrete set of possible rotations. It offers a regularization term method specially created for the spherical surface. This tool is based on penalising the geodesic distance between rotation matrices. It has a reduced sensitivity to local minima and includes a multivariate mutual-information measure.
Constructs deformable brain images. HAMMER can reveal geometric characteristics of the underlying anatomical structures. It employs a hierarchical deformation mechanism and an attribute vector to work. This tool can reflect the geometric properties of the underlying structure from a local scale, to a global scale that reflected spatial relationships with more distant surface points.
Serves for interactive and deformable alignment of large 2D and 3D images. BigWarp enables landmark pair placement and displays the effects of the warp on-the-fly. It builds upon BigDataViewer for visualization and data sources which enables navigation of large images with arbitrary 3D reslicing and zoom. Moreover, it uses a Thin Plate Spline implemented in Java to build a deformation from point correspondences.
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