Mexican Hat Filter

Author: Dimiter Prodanov (dimiterpp at
History: 2012/11/10: First release
2012/11/24: Added "Separable" option; requires v1.47g
2012/11/26: Multi-threaded
2015/09/12: Bug fixes
2017/12/31: Fixed kernel calculation bug
Installation: Drag and drop Mexican_Hat_Filter.class onto the "ImageJ" window.
Description: This plugin applies a Laplacian of Gaussian (Mexican Hat) filter to a 2D image.
See Also: 3D Laplacian of Gaussian (LoG) plugin
Difference of Gaussians plugin