Left side show the image matching success…
I first saved the contour, and after comparing the saved contour with several contours, the contour with the smallest return value (double) data is displayed in yellow.
Left side similar values
similar value: [0]index, value : [3.257]
similar value: [1]index, value : [2.248]
similar value: [2]index, value : [2.748]
similar value: [3]index, value : [4.316]
similar value: [4]index, value : [2.605]
similar value: [5]index, value : [2.639]
In the Left side yellow line is [1]index, value : [2.248]