11_6.py

!rm -r patch/*

num=20
cnt=0
for i in range(len(contours)):
    x,y,w,h = cv2.boundingRect(contours[i])
    
    numer=min([w,h])
    denom=max([w,h])
    ratio=numer/denom

    if(x>=num and y>=num):
        xmin, ymin= x-num, y-num
        xmax, ymax= x+w+num, y+h+num
    else:
        xmin, ymin=x, y
        xmax, ymax=x+w, y+h

    if(ratio>=0.5 and ((w<=10) and (h<=10)) ):    
        print(cnt,x,y,w,h,ratio)
        cv2.imwrite("patch/"+str(cnt)+".png",img[ymin:ymax,xmin:xmax])
        cnt=cnt+1