protected void performThresholding(float threshLow, float threshHigh, ImageUInt8 output) {
if (hysteresisPts != null) {
hysteresisPts.process(suppressed, direction, threshLow, threshHigh);
// if there is an output image write the contour to it
if (output != null) {
ImageMiscOps.fill(output, 0);
for (EdgeContour e : hysteresisPts.getContours()) {
for (EdgeSegment s : e.segments)
for (Point2D_I32 p : s.points) output.unsafe_set(p.x, p.y, 1);
}
}
} else {
hysteresisMark.process(suppressed, direction, threshLow, threshHigh, output);
}
}
public List<EdgeContour> getContours() {
return hysteresisPts.getContours();
}