Python: simple drawi

发布时间:2019-06-07 20:29:29编辑:auto阅读(1658)

    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();
    

     

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