filters\ex.m .......\higmm.asv .......\higmm.m .......\hiseq.m .......\histim.m .......\horvert.m .......\Irisedge.m .......\laplas.m .......\loggaritim.asv .......\loggaritim.m .......\med.m .......\mycanny.m .......\negativeimage.m .......\neighbours.m .......\sharpening.m .......\SOBL.m .......\SOBL1.asv .......\SOBL1.m .......\spatialfiltering.m filters