extract the difference betwwen 2 images
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Hello, i want the difference between 2 image and get this difference this picture show what i want
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Image Analyst
2015-12-6
Yes but there's much more required. For example, why does it get a standing person and not the chair or other things in the room? I suspect this is from a paper so you'd have to follow the directions in the paper rather than ask us.
Walter Roberson
2015-12-6
Unless this is two examples of obtaining the difference of two images, with there being two constant-background images available that are not shown here?
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Dima Lisin
2015-12-7
What you are looking for is background subtraction. It is not really as simple as taking the difference between the two images. If you have a video taken with a stationary camera, then you can detect moving objects using the vision.ForegroundDetector object from the Computer Vision System Toolbox. See the Motion-based Multiple Object Tracking Example for more information.
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Walter Roberson
2015-12-7
That is what that example code does. Look at the example code setupSystemObjects() and see how it uses a vision video file reader to open a video file.
The example code detects the differences between frames and uses them to track moving objects.
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