draw_keypoints

opencv::features2d

Function draw_keypoints 

Source 
pub fn draw_keypoints(
    image: &impl ToInputArray,
    keypoints: &Vector<KeyPoint>,
    out_image: &mut impl ToInputOutputArray,
    color: Scalar,
    flags: DrawMatchesFlags,
) -> Result<()>
Expand description

Draws keypoints.

§Parameters

  • image: Source image.
  • keypoints: Keypoints from the source image.
  • outImage: Output image. Its content depends on the flags value defining what is drawn in the output image. See possible flags bit values below.
  • color: Color of keypoints.
  • flags: Flags setting drawing features. Possible flags bit values are defined by DrawMatchesFlags. See details above in drawMatches .

Note: For Python API, flags are modified as cv.DRAW_MATCHES_FLAGS_DEFAULT, cv.DRAW_MATCHES_FLAGS_DRAW_RICH_KEYPOINTS, cv.DRAW_MATCHES_FLAGS_DRAW_OVER_OUTIMG, cv.DRAW_MATCHES_FLAGS_NOT_DRAW_SINGLE_POINTS

§C++ default parameters

  • color: Scalar::all(-1)
  • flags: DrawMatchesFlags::DEFAULT