Convert vector of keypoints to vector of points

points2f = cv.KeyPointsFilter.convertToPoints(keypoints)
points2f = cv.KeyPointsFilter.convertToPoints(keypoints, 'OptionName',optionValue, ...)

Input

• keypoints Keypoints obtained from any feature detection algorithm like SIFT/SURF/ORB.

Output

• points2f Array of (x,y) coordinates of each keypoint.

Options

• Indices Optional array of indexes of keypoints to be converted to points. (Acts like a mask to convert only specified keypoints). Not set by default.