标签:hub href git 角度 .net def war ima sdn
主要代码参考https://blog.csdn.net/wzh191920/article/details/79589506
GitHub:https://github.com/yinghualuowu
答辩通过了,补完~
用的是仿射变换
def img_Transform(car_contours,oldimg,pic_width,pic_hight): car_imgs = [] for car_rect in car_contours: if car_rect[2] > -1 and car_rect[2] < 1: angle = 1 # 对于角度为-1 1之间时,默认为1 else: angle = car_rect[2] car_rect = (car_rect[0], (car_rect[1][0] + 5, car_rect[1][1] + 5), angle) box = cv2.boxPoints(car_rect) heigth_point = right_point = [0, 0] left_point = low_point = [pic_width, pic_hight] for point in box: if left_point[0] > point[0]: left_point = point if low_point[1] > point[1]: low_point = point if heigth_point[1] < point[1]: heigth_point = point if right_point[0] < point[0]: right_point = point if left_point[1] <= right_point[1]: # 正角度 new_right_point = [right_point[0], heigth_point[1]] pts2 = np.float32([left_point, heigth_point, new_right_point]) # 字符只是高度需要改变 pts1 = np.float32([left_point, heigth_point, right_point]) M = cv2.getAffineTransform(pts1, pts2) dst = cv2.warpAffine(oldimg, M, (pic_width, pic_hight)) point_limit(new_right_point) point_limit(heigth_point) point_limit(left_point) car_img = dst[int(left_point[1]):int(heigth_point[1]), int(left_point[0]):int(new_right_point[0])] car_imgs.append(car_img) elif left_point[1] > right_point[1]: # 负角度 new_left_point = [left_point[0], heigth_point[1]] pts2 = np.float32([new_left_point, heigth_point, right_point]) # 字符只是高度需要改变 pts1 = np.float32([left_point, heigth_point, right_point]) M = cv2.getAffineTransform(pts1, pts2) dst = cv2.warpAffine(oldimg, M, (pic_width, pic_hight)) point_limit(right_point) point_limit(heigth_point) point_limit(new_left_point) car_img = dst[int(right_point[1]):int(heigth_point[1]), int(new_left_point[0]):int(right_point[0])] car_imgs.append(car_img) return car_imgs
标签:hub href git 角度 .net def war ima sdn
原文地址:https://www.cnblogs.com/yinghualuowu/p/9185404.html