上传新文件

data/1.OpenCV初阶/2.二值图像处理/5.轮廓/Contours.py

+import cv2 as cv
+
+if __name__ == '__main__':
+    img = cv.imread("Contours.jpg", flags=1)
+    imgGray = cv.cvtColor(img, cv.COLOR_BGR2GRAY)
+
+    ret, thresh = cv.threshold(imgGray, 127, 255, cv.THRESH_BINARY_INV)
+    image, contours, hierarchy = cv.findContours(thresh, cv.RETR_TREE, cv.CHAIN_APPROX_SIMPLE)
+    contourPic = cv.drawContours(img, contours, -1, (0, 0, 255), 2)
+
+    cv.imshow("ContourPicture", contourPic)
+    cv.waitKey(0)
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