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Python: simple drawings

程序员文章站 2022-05-06 19:14:05
import cv2; # OpenCV Python import numbers; import numpy as np; import math; import matplotlib; import matplotlib.pyplot as plt; import matplotlib.ima... ......
import  cv2; # opencv python
import numbers;
import numpy as np;
import math;
import matplotlib;
import matplotlib.pyplot as plt;
import matplotlib.image as mpimg;
from ipython.display import display, image



img = cv2.imread('9012.jpg');
img=np.zeros((512,512,3),np.uint8);

img=cv2.line(img,(0,0),(511,511),(255,0,0),5);

img=cv2.rectangle(img,(384,0),(510,128),(0,255,0),3);

img=cv2.circle(img,(447,63),63,(0,0,255),-1);

img=cv2.ellipse(img,(256,256),(100,50),0,0,180,255,-1);


font=cv2.font_hershey_simplex;
cv2.puttext(img,'opencv',(10,500),font,4,(255,255,255),2,cv2.line_aa);

pts=np.array([[10,5],[20,30],[70,20],[50,10]],np.int32);
pts=pts.reshape((-1,1,2));
img=cv2.polylines(img,[pts],true,(0,255,255));

cv2.imshow('image',img);
cv2.waitkey(0);
cv2.destroyallwindows();


print('geovindu');

# print(img);
# display 
# imgshow=mpimg.imread('9012.jpg');
# imgplot = plt.imshow(imgshow);
# plt.show();

# display image 
im = cv2.imread('9012.jpg');
im_resized = cv2.resize(im, (224, 224), interpolation=cv2.inter_linear);
plt.imshow(cv2.cvtcolor(im_resized, cv2.color_bgr2rgb));
plt.show();