OpenCV_11(딥러닝)
OpenCV DNN(MNIST) import sys import numpy as np import cv2 oldx, oldy = -1, -1 def on_mouse(event, x, y, flags, _): global oldx, oldy if event == cv2.EVENT_LBUTTONDOWN: oldx, oldy = x, y elif event == cv2.EVENT_LBUTTONUP: oldx, oldy = -1, -1 elif event == cv2.EVENT_MOUSEMOVE: if flags & cv2.EVENT_FLAG_LBUTTON: cv2.line(img, (oldx, oldy), (x, y), (255, 255, 255), 40, cv2.LINE_AA) oldx, oldy = x, ..