License plate localization
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My task is to pin-point where is the plate number in an image. The image does not only contain the plate number. It may contain the whole car or anything. I used gaussian blur then grayscale then contrast then laplacian of gaussian to detect the edges.

Now, I am at loss on how to detect where is the plate number in the image. I am not going to read the license number, just make the system know where is the license number.

Can you direct me to a study regarding this? Or perhaps the algorithm that can be used to do this.

Thank you!