2019-08-02から1日間の記事一覧

OpenCV 小ネタ集2 (cv2 の Contour 抽出手順)

Sorting Contours import cv2 import numpy as np import matplotlib.pyplot as plt def cv2_imshow(title, image): plt.imshow(cv2.cvtColor(image.astype(np.uint8), cv2.COLOR_BGR2RGB)) plt.title(title) # as opencv loads in BGR format by default, w…