cv.find4QuadCornerSubpix - MATLAB File Help
cv.find4QuadCornerSubpix

Finds subpixel-accurate positions of the chessboard corners

[corners,success] = cv.find4QuadCornerSubpix(img, corners)
[...] = cv.find4QuadCornerSubpix(img, corners, 'OptionName', optionValue, ...)

Input

Output

Options

See also