Citation
If you publish research that uses imagej2 you have to cite it as follows:
Rueden, C. T., Schindelin, J., Hiner, M. C., DeZonia, B. E., Walter, A. E., Arena, E. T., & Eliceiri, K. W. (2017). ImageJ2: ImageJ for the next generation of scientific image data. BMC Bioinformatics, 18(1). http://doi.org/10.1186/s12859-017-1934-z