The last step of Canny uses two thresholds. The slides and t…
The last step of Canny uses two thresholds. The slides and the demo define them like this: a magnitude m ≥ high is strong, low ≤ m < high is weak, and m < low is set to 0; both thresholds are percentages of the largest gradient magnitude after NMS. Which statement is correct?
Read DetailsYou photograph a red apple sitting on green grass and load i…
You photograph a red apple sitting on green grass and load it with img = cv2.imread(‘apple.jpg’). You then display one single channel of that array. In the image on screen, only the grass looks bright; the apple is almost black. Which channel did you display?
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