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What is Registration?

Image registration is the process of transforming different sets of data into one coordinate system. Data may be multiple photographs, data from different sensors, times, depths, or viewpoints. It is used in computer vision, medical imaging, biological imaging and brain mapping, military automatic target recognition, and compiling and analyzing images and data from satellites. Registration is necessary in order to be able to compare or integrate the data obtained from these different measurements.

Recommended ImageJ Plugins for Registration

Here we summarize some of the Registration plugins in ImageJ.

Plugin Name	Short Description	Highlights	Plugin Snapshot
Feature Extraction	A tool for identifying a set of corresponding points of interest in two images	Interest points are detected using the Difference of Gaussian detector Uses the Scale Invariant Feature Transform (SIFT) and Multi-Scale Oriented Patches (MOPS) for local feature description Established matches are filtered using the Random Sample Consensus (RANSAC) The extracted sets of corresponding landmarks and the calculated transformations are used in TrakEM2, Register Virtual Stack Slices and BUnwarpJ for image registration.	MOPS feature correspondences (example 1)
Linear Stack Alignment with SIFT	A tool for aligning image stacks	A lightweight SIFT-implementation for Java after the paper of David Lowe.
BUnwarpJ	A tool for elastic and consistent image registration	Performs 2D image registration based on elastic deformations represented by B-splines Invertibility of the deformations is enforced through a consistency restriction Get started with the detailed BUnwarpJ user manual
TrakEM2	A tool for morphological data mining, three-dimensional modeling and image stitching, registration, editing and annotation.	Registers floating image tiles to each other using SIFT and global optimization algorithms. See the TrakEM2 sser manual section on registration

Other pages and tools for Registration in ImageJ

See Category:Registration for other ImageJ pages and tools about image registration.