CODEWITHSUNDEEP
opencvimage-processingopencv3.0
Ivantha
Ivantha

Reputation: 521

How to detect a glove finger defect in OpenCV?

enter image description here

How should I detect whether a defect (as seen in the above image - this is called a 'Tie down error') is present in a finger of the glove?

I have already extracted each finger tip (using contours and contour approximation) and the algorithm can identify if the shape of the glove is not perfect.

enter image description here

But it does not detect a tie down at the tip of the glove finger.

enter image description here

How can I detect this using OpenCV?

Upvotes: 2

Views: 1172

Answers (1)

Alessandro Jacopson
Alessandro Jacopson

Reputation: 18665

Segment each finger and then apply to each finger an analysis based on color or grey level: a good finger has almost the same grey level/color while a defective one has a dark part.

In order to segment the fingers: for each finger found the landmarks: B1 (base 1), B2 (base 2) and T (tip); see them in purple in the below image.

enter image description here

It seems to me that you already have these landmarks because you draw the blue graphics.

Once you have them you define a region with these boundaries: the straight line between B1 and B2 and the red contour you already have (the red contour you draw here https://i.sstatic.net/hXfoC.jpg ) starting from B1 and going to B2 through T.

enter image description here

Then you apply for each region your analysis, for example mark as defective all the pixel with intensity below a threshold.

Upvotes: 2

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