Digital Signal Processing Reference
In-Depth Information
D
Source Code
hcd.findCorners();
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ImageProcessor result = hcd.showCornerPoints(ip);
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ImagePlus win = new ImagePlus("Corners from " + imp.
getTitle(),result);
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win.show();
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}
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void showAbout() {
String cn = getClass().getName();
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IJ.showMessage("About "+cn+" ...",
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"Harris Corner Detector"
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);
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}
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private boolean showDialog() {
// display dialog , return false if cancelled or on error.
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GenericDialog dlg =
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new GenericDialog("Harris Corner Detector", IJ.
getInstance());
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float def_alpha = HarrisCornerDet.DEFAULT_ALPHA;
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dlg.addNumericField("Alpha (default: "+def_alpha+")", alpha
, 3);
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int def_threshold = HarrisCornerDet.DEFAULT_THRESHOLD;
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dlg.addNumericField("Threshold (default: "+def_threshold+")
", threshold, 0);
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dlg.addNumericField("Max. points (0 = show all)", nmax, 0);
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dlg.showDialog();
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if(dlg.wasCanceled())
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return false;
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if(dlg.invalidNumber()) {
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IJ.showMessage("Error", "Invalid input number");
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return false;
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}
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alpha = (float) dlg.getNextNumber();
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threshold = (int) dlg.getNextNumber();
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nmax = (int) dlg.getNextNumber();
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return true;
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}
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}
