Image Processing Filtering Operations The filtering of an input image using a square, rectangular or linear kernel. The Image Pro- cessing Tool provides a set of defined filters as well as a custom filtering operation that apply a user-defined kernel. The predefined filters are: Average, Gaussian, Horizontal Prewitt, Vertical Prewitt, Horizontal Sobel, Vertical Sobel, High Pass, Laplacian, Sharpen, SharpenLow and Median. Example Of Image After Some Common Filtering Operations Creating A Custom Filter ACE Sight software enables the creation of a Custom Kernel for use in the Image Processing Tool. ACEUser's Guide, 3.6.x, 18316-000 Rev A Page 513