How to convert ROS image message to OpenCV image array(circle buffer)?

We usually use the below code to convert ROS image message to OpenCV image

cvbridge::CvImagePtr cvptr; cvptr = cvbridge::toCvCopy(msg, "bgr8"

I need save ROS image message to a circular buffer for time delay. But I didn't know how coding that converting ROS image message to OpenCV image array(circular buffer). Does anyone help me ?

Thanks

Asked by Nelson Wu on 2017-02-14 01:32:52 UTC

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what do you mean by circular buffer ? let say your image is named "image" if i understand your question you need to convert an image from ros (image.png,or jpg ...) to opencv (image.mat) to use it in a buffer

Asked by kesuke on 2018-03-27 10:28:45 UTC

How to convert ROS image message to OpenCV image array(circle buffer)?

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