re cross sobel roberts filters in article apr waikato ac nz pdenize waikato ac nz writes i saw an imaging program some time ago on an amiga that had cross sobel and roberts filters for edge detection can anybody direct me to these algorithms ok never heard of cross filters but roberts prewitt and sobel filters are standard spatial masks for edge detection highpass filtering does a good job of detecting edges too a good reference for all sorts of general digital image processing is the book digital image processing by rafael c gonzalez and richard e woods addison wesley publishing co isbn i ve used this source to do the above filters and many other things as a grad project not too dificult to do the worst part is loading in the images from tiff gif iff ilbm whatever wayne rigby rigby cs unr edu
