'example of edge orientation measurementH@q41L@ qP @@@L844  :2ǟ!first, load the "Dendrites" image0@@3OH@×`Ө8@9ӧØz @@@8×`×` tӦjөNӪbǟ5perform background levelingveling0@@3OH@Ò×`Ө8@9Òӧ @@@8×`×` tӦjөNӪbǟ  bg\ d@ @"@@@ywwN@I d6@ ~^, @@@Lyww} IIWk hyww} LǞ bg\ d@ @"@@@ywwN@I d6@ ~^, @@@Lyww} IIWk hyww} LǞbg\ d@ @"@@@ywwN@I d6@ ~^, @@@Lyww} IIWk hyww} LǞbg\ d@ @"@@@ywwN@I d6@ ~^, @@@Lyww} IIWk hyww} LǞ bg\ d@ @"@@@ywwN@I d6@ ~^, @@@Lyww} IIWk hyww} LǞbg\ d@ @"@@@ywwN@I d6@ ~^, @@@Lyww} IIWk hyww} LǠ.bg\ d@ @"@@@ywwN@I d6@ ~^, @@@Lyww} IIWk hyww} LǠ2mmmm!get Sobel magnitude and direction@@6H@@ @J;B CL6 B@1L@o@n@p2/  :62m edge direction@ @"@@@ N@4I d6@ 4~H @@@Lj  cIIWk hj  LǠ> edge magnitude@ d@"@@@ N@xI d6@ x~Ox @@@Lj  cIIWk hj  LǠedge direction@ @"@@@ N@4I d6@ 4~H @@@Lj  cIIWk hj  LǠedge direction@ @"@@@ N@4I d6@ 4~H @@@Lj  cIIWk hj  LǠwbg\ d@ @"@@@ywwN@I d6@ ~^, @@@Lyww} IIWk hyww} LǠ.edge magnitude@ d@"@@@ N@xI d6@ x~Ox @@@Lj  cIIWk hj  LǠ+threshold edge magnitude and make line maskH@p1L@ p x @@@L ǡedge magnitude@ d@"@@@ N@xI d6@ x~Ox @@@Lj  cIIWk hj  LǠ2edge magnitude@ d@"@@@ N@xI d6@ x~Ox @@@Lj  cIIWk hj  LǠedge magnitude@ d@"@@@ N@xI d6@ x~Ox @@@Lj  cIIWk hj  LǠedge magnitude@ d@"@@@ N@xI d6@ x~Ox @@@Lj  cIIWk hj  LǠedge magnitude@ d@"@@@ N@xI d6@ x~Ox @@@Lj  cIIWk hj  LǠ edge magnitude@ d@"@@@ N@xI d6@ x~Ox @@@Lj  cIIWk hj  Lǡedge magnitude@ d@"@@@ N@xI d6@ x~Ox @@@Lj  cIIWk hj  Lǡedge magnitude@ d@"@@@ N@xI d6@ x~Ox @@@Lj  cIIWk hj  Lǡ "apply edge mask to direction image@@MXH@qH1L@ qHPx @@@LMX-@J  :MX2ǡedge magnitude@ d@"@@@ N@xI d6@ x~Ox @@@Lj  cIIWk hj  Lǡc @@HDr700 0@@ .D  e,'?D .XX@H &,' r8$NH0p *edge magnitude@ d@"@@@ N@xI d6@ x~Ox @@@Lj  cIIWk hj  LǡeXedge direction@ @"@@@ N@xI d6@ x~Ox @@@Lj  cIIWk hj  Lǡg@@HDr700 0@@ .D  +?D .XX@H &+ r8$NH0p *edge direction@ @"@@@ N@xI d6@ x~Ox @@@Lj  cIIWk hj  Lǡkedge direction@ @"@@@ N@xI d6@ x~Ox @@@Lj  cIIWk hj  Lǡedge direction@ @"@@@ N@xI d6@ x~Ox @@@Lj  cIIWk hj  LǡuTHE END outline mask and prune the branchesinal#H@:L ܄@ :sZ @@@L#LL ڶ#ݚޮ