webcam = Webcam()
#webcam.start()
def draw(img, corners, imgpts):
corner = tuple(corners[0].ravel())
img = cv2.line(img, corner, tuple(imgpts[0].ravel()), (255, 0, 0), 5)
img = cv2.line(img, corner, tuple(imgpts[1].ravel()), (0, 255, 0), 5)
img = cv2.line(img, corner, tuple(imgpts[2].ravel()), (0, 0, 255), 5)
return img
while True:
# get image from webcam
webcam.update_frame()
image = webcam.get_current_frame()
criteria = (cv2.TERM_CRITERIA_EPS + cv2.TERM_CRITERIA_MAX_ITER, 30, 0.001)
objp = np.zeros((3 * 5, 3), np.float32)
objp[:, :2] = np.mgrid[0:5, 0:3].T.reshape(-1, 2)
objpoints = [] # 3d point in real world space
imgpoints = []
axis = np.float32([[3, 0, 0], [0, 3, 0], [0, 0, -3]]).reshape(-1, 3)
# save image to file, if pattern found
gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
ret, corners = cv2.findChessboardCorners(gray, (5, 3), None)
if True:
print(
