Update py_calibration.markdown

In the camera calibration code { cv2.cornerSubPix() } will be of no use.In the updated code it is assigned to the (corners2) variable which is passed down to { cv2.drawChessboardCorners() }
9 years ago · 98dce911ca
parent e1ba4399e8
commit 98dce911ca
1 changed files with 2 additions and 2 deletions
--- a/doc/py_tutorials/py_calib3d/py_calibration/py_calibration.markdown
+++ b/doc/py_tutorials/py_calib3d/py_calibration/py_calibration.markdown
@ -130,11 +130,11 @@ for fname in images:
    if ret == True:
        objpoints.append(objp)

-        cv2.cornerSubPix(gray,corners, (11,11), (-1,-1), criteria)
+        corners2=cv2.cornerSubPix(gray,corners, (11,11), (-1,-1), criteria)
        imgpoints.append(corners)

        # Draw and display the corners
-        cv2.drawChessboardCorners(img, (7,6), corners, ret)
+        cv2.drawChessboardCorners(img, (7,6), corners2, ret)
        cv2.imshow('img', img)
        cv2.waitKey(500)