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I am using opencv 3.2. I want to cut out a part from the outline of the object and use it as a template, and I want to find it from the query image.

for example: my matching

I use the positional relationship between the center of gravity of the outline and the contour point as a template and I am looking for a matching part from the query image.(I think that it is a childish way) However, as objects rotate, the number of contour points will vary, so matching may not work.

I would like advice on how to realize robust contour point matching. I also would like to give advice on how to measure similarity.

Slayter
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Hiei03
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  • Also have a look at [cv::matchShapes](http://docs.opencv.org/master/d3/dc0/group__imgproc__shape.html#gaadc90cb16e2362c9bd6e7363e6e4c317) – Miki Jul 07 '17 at 13:13
  • I attempted feature detection of orb but I could not find a feature point or it was too small and it did not work. (During study) Is there any advice on how to find places where templates match in images? – Hiei03 Jul 09 '17 at 07:17

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