读取图片，画框，写文字

# -*- coding: utf-8 -*-
import cv2

img=cv2.imread('/home/dms/PycharmProjects/voc_tst_dataset/JPEGImages/000018.jpg')
print img.size
print img.shape
print 'H=',img.shape[0],'W=',img.shape[1]

#画框
cv2.rectangle(img,(30,29),(357,278),(55,255,155),1)
#添加文字
cv2.putText(img,'dog',org=(30,29),
            fontFace=cv2.FONT_HERSHEY_SCRIPT_SIMPLEX,fontScale=1,color=(0,0,255),thickness=1)

cv2.imwrite("rect_text.jpg",img)
#
# cv2.imshow('dfajk',img)
# cv2.waitKey(0)