使用Python实现图像标记点的坐标输出功能
作者:松子茶
这篇文章主要介绍了使用Python实现图像标记点的坐标输出功能,非常不错,具有一定的参考借鉴价值,需要的朋友参考下吧
Sometimes we have need to interact with an application,for example by marking points in an image,or you need to annotation some training data.PyLab comes with a simple function ginput() the let's you do just that .Here's a short example.
from PIL import Image from pylab import * im = array(Image.open('test.jpg')) imshow(im) print 'Please click 3 points' x =ginput(3) print 'you clicked:',x show()
This plots an image and waits for the user to click three times in the image region of the figures window.The coordinates[x,y] of the clicks are saved in a list x.
总结
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