使用OpenCV和Python保存多个图像 [英] Save multiple images with OpenCV and Python
本文介绍了使用OpenCV和Python保存多个图像的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我正在使用OpenCV和Python拍摄图像.但是,目前我一次只能拍摄一张照片.我想让OpenCV拍多张照片.这是我当前的代码.
I'm using OpenCV and Python to take images. However currently I can only take one picture at a time. I would like to have OpenCV to take multiple pictures. This is my current code.
import cv2.cv as cv
import time
cv.NamedWindow("camera", 1)
capture = cv.CaptureFromCAM(0)
while True:
img = cv.QueryFrame(capture)
cv.ShowImage("camera", img)
cv.SaveImage('pic.jpg', img)
if cv.WaitKey(10) == 27:
break
推荐答案
您的代码将覆盖文件.每次保存到不同的文件. 例如:
Your code overwrite a file. Save to different file each time. For example:
import cv2.cv as cv
import time
cv.NamedWindow("camera", 1)
capture = cv.CaptureFromCAM(0)
i = 0
while True:
img = cv.QueryFrame(capture)
cv.ShowImage("camera", img)
cv.SaveImage('pic{:>05}.jpg'.format(i), img)
if cv.WaitKey(10) == 27:
break
i += 1
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