Simple motion detection can be done by finding the difference between 2 pieces of the image sequence on the results of imaging using a digital video camera. There are various methods for comparing two images. The method is simple and the process is not too heavy that is by looking for the highest pixel value differences and compare it to a limit value. If the difference is higher than the limit value, we conclude there is a difference in the second picture. For a range of different pixels is not too far then it should be greyscale first, namely by taking the value - average RGB components.
If there are 2 pieces drawings, Figure 1 and Figure 2 each - each is a reference image pixel value and image to be compared, thus getting the highest pixel value differences and value limit has been set, then if the boundary> pixel difference means there is a difference in second image. Limit value is used to tolerate the differences that are considered too small
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