[Python][OpenCV]OpenCVで余白削除 その2

# -*- coding:utf-8 -*- import cv2 img = cv2.imread('cropped.jpg') img2 = cv2.imread('cropped.jpg') # Grayscale に変換 img_gs = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY) # 2 値化 ret, thresh = cv2.threshold(img_gs, 250, 255, cv2.THRESH_BINARY) # 輪郭を取得 contours, hierarchy = cv2.findContours(thresh, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE) # i = 1 は画像全体の外枠になるのでカウントに入れない x1 = [] y1 = [] x2 = [] y2 = [] for i in