モルフォロジー演算(Morphological Transformations)を用いた垂直線検出 - Qiita

def findLinesCanny(gray_image): gray_image = 255 - gray_image t_lower = 110 t_upper = 150 edge = cv2.Canny(gray_image,t_lower,t_upper) plt.imshow(edge, cmap="gray")) plt.show() def detectVerticalLines(gray): vertical = np.copy(gray) vertical = cv2.adaptiveThreshold(gray, 255, cv2.ADAPTIVE_THRESH_MEAN_C, cv2.THRESH_BINARY_INV, 75, -3) rows = vertical.shape[1] #数字を大きくすると分割が細かくなる とりあえずここからいじる vertica