Image registration software tools | Nuclear medicine imaging analysis
Image registration is used for aligning two images of the same object into a common coordinate system presenting the fused image. The one image is usually referred as reference and the other as sensed (or referred). Image registration is a spatial transform. The images can be acquired from different angles, at different times, by different or same modalities. A typical example of the use of image registration from different modalities in nuclear medicine is the combination of SPECT and CT images (SPECT/CT) or PET and CT (PET/CT).
Serves for the automated registration of 3D and 2D images within and across subjects and imaging modalities. AIR offers automated routines for reslicing and aligning tomographic image data. This software includes homologous 2D deformation models and is designed for intersubject registration of 3D human brain data. It offers also nonlinear registration tools for intrasubject registration of developmental data and nonlinear image distortions data.
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.
Provides a protocol that enables a thorough, optimization-independent, and systematic statistical evaluation of important similarity measure properties. Evaluation of similarity measures includes Accuracy (ACC), Distinctiveness of the Optimum (DO), Capture Range (CR), Number of Local Minima (NOM), Risk of Non-convergence (RON). The evaluation consists of three steps: (i) sampling of the parametrical space, (ii) computation of similarity measure values and (iii) computation of similarity measure properties.
Displays and analyzes multimodality volumetric medical images. AMIDE provides the research community with a relatively full-featured, freely available, and open source solution for single and multimodality volumetric medical image analysis. It provides a variety of additional features useful to the molecular imaging researcher, including fully three dimensional ROI drawing and analysis for static and dynamic images, two and three way linked viewing (dual cursor mode), rigid body registration using fiducial markers, filtering and cropping of data sets, movie generation, series viewing, and volume rendering.
Allows users to perform 2D and 3D non-rigid image registration. MIRT is a standalone software which includes six main features for completing: (i) similarity measures such as residual complexity (RC) or Correlation Coefficient (CC), (ii) transformation models both parametric and non-parametric, (iii) optimization, (iv) regularization, (v) a hierarchical registration and (vi) groupwise registration.
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