试验

from matplotlib import pyplot as plt
import numpy as np
import cv2
image=cv2.imread('image/000000.jpg')
plt.imshow(image)
plt.show()


import cv2
import numpy as np
#读取
image=cv2.imread('image/000000.jpg')
height,width=image.shape[:2]
center=(width//2, height//2)
#设置角度
jiaodu=cv2.getRotationMatrix2D(center,70,1)
rotated=cv2.warpAffine(image,jiaodu,(width, height))
#裁定大小（放大三倍）
zoomed=cv2.resize(rotated, None, fx=3, fy=3)
#准备输出
cv2.imshow('xingjiarui',zoomed)
cv2.waitKey(0)
cv2.destroyAllWindows()
cv2.imwrite('xingjiarui.jpg',zoomed)


import cv2
import numpy as np
#读取
image=cv2.imread('image/000000.jpg')
#定坐标画三角
points=np.array([[300, 100],[300, 200],[100, 200]],np.int32)
points=points.reshape((-1, 1, 2))
cv2.polylines(image,[points],isClosed=True,color=(255, 0, 0),thickness=2)
#写拼音
cv2.putText(image,'xingjiarui',(50, 50),cv2.FONT_HERSHEY_SIMPLEX,1,(0, 255, 0),2)
#准备输出
cv2.imshow('xingjiarui',image)
cv2.waitKey(0)
cv2.destroyAllWindows()
cv2.imwrite('xingjiarui_000000.jpg',image)