ImageJ is a Java open source image processing program designed for scientific multidimensional images. It is highly extensible, with thousands of plugins and macros for performing a wide variety of tasks, and a strong, established user base.
There are three major versions of ImageJ:
- ImageJ1 – The stable version, developed by Wayne Rasband at NIH since 1997
- ImageJ2 – Focuses on analysis of scientific multidimensional image data. Includes ImageJ1 with a compatibility layer
- Fiji – A distribution of ImageJ for the life sciences. It provides a large number of additional plugins to facilitate analysis of life sciences images, particularly microscopy images. Built on the ImageJ2 platform.
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