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It seems like a simple question but I don't get the right answer from the documentation: What is the use of cv::ShapeTransformer::estimateTransformation, to be concrete the estimateTransformation- function of an AffineTransformer.

1. Is there really no output of this function?
2. What format do targetShape and transformingShape have? (Is std::vector< cv::Point>> right?)
3. How can you estimate the std::vector< DMatch > from two contours?

This may be sound like supid question, but i really don't find any examples, so please be patient with me.

It seems like a simple question but I don't get the right answer from the documentation: What is the use of cv::ShapeTransformer::estimateTransformation, to be concrete the estimateTransformation- function of an AffineTransformer.

1. Is there really no output of this function?
2. What format do targetShape and transformingShape have? (Is std::vector< cv::Point>> right?)
3. How can you estimate the std::vector< DMatch > from two contours?

This may be sound like supid question, stupid questions, but i really don't find any examples, so please be patient with me.

It seems like a simple question but I don't get the right answer from the documentation: What is the use of cv::ShapeTransformer::estimateTransformation, to be concrete the estimateTransformation- function of an AffineTransformer.

1. Is there really no output of this function?
2. What format do targetShape and transformingShape have? (Is std::vector< cv::Point>> right?)
   -> answer from vector<point2f> (or vector<point>, which will get converted internally.) (see beraks answer)
3. How can you estimate the std::vector< DMatch > from two contours?

This may sound like stupid questions, but i really don't find any examples, so please be patient with me.

It seems like a simple question but I don't get the right answer from the documentation: What is the use of cv::ShapeTransformer::estimateTransformation, to be concrete the estimateTransformation- function of an AffineTransformer.

1. Is there really no output of this function?
2. What format do targetShape and transformingShape have? (Is std::vector< cv::Point>> right?)
   -> answer from vector<point2f> (or vector<point>, which will get converted internally.) (see beraks answer)
3. How can you estimate the std::vector< DMatch > from two contours?

This may sound like stupid questions, but i really don't find any examples, so please be patient with me.