Background background subtraction showing
Hello
I'm now tempted to background subtraction. Unfortunately instead of showing the image of the object, the program I created is showing the background image after subtraction. I've included the JPEGs as my vi for this problem. Please help me! =(
Thank you
The program works exactly as you designed it. You are subtracting the background image of the image of the President. When the background is visible, they cancel out and you get a difference of zero. When the President is, it removes the bottom of the Chair (in fact preside over substantive, I think). The President being a color United, it is essentially subtracting a constant value of the background. In the area of the Chair, all that remains is a version more dark background.
What you probably want is to have only the image of the President, which is a little more complicated. I would first use of the difference in the two images. The resulting image will be zero (or very close) which corresponds to the background. You should get a pretty solid picture, where is the President. Threshold and binary filling holes to fill all the holes in the Chair. Then apply this image as a mask to the original image of the Chair. It will keep the masked area (President), and the rest will be black.
Bruce
Tags: NI Hardware
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