Help to identify orientation of R.A.M. module

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asked Oct 18 '18

confusedboii
6 ●1 ●1

updated Oct 18 '18

berak
32993 ●7 ●81 ●312

I've been working on a project with OpenCV to identify the orientation of the module.

image description

(If the module is facing up or down, flipped right or left... so there's 4 orientation). I've tried matchTemplate and using the slot in the middle as a reference but I haven't had the best results. What would you guys recommend?

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Google for convolutionary neuronal networks. And esp about difference classification/detection.

If you want to do it with opencv - take a look at the dnn module / examples.

holger (Oct 18 '18)edit

What do you want exactly ? What have you already try? Can you give all possible images?

LBerger (Oct 18 '18)edit

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answered Oct 19 '18

berak
32993 ●7 ●81 ●312

you could try to find a homography between a non-rotated template, and your scene. once you have that, the rotation can be calculated like:

## derive rotation angle from homography
theta = - math.atan2(M[0,1], M[0,0]) * 180 / math.pi

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answered Oct 19 '18

Tetragramm

7376 ●13 ●37

How about, threshold the image so you have the whole RAM as a white mask, and find the center.

Then take the original image, use inRange to find the gold, and find it's center. Then between the two centers you know the location.

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Help to identify orientation of R.A.M. module

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Help to identify orientation of R.A.M. module