Given two images($I_1$, $I_2$) and both images contain a similar object. First, find the location of the windows which contains the object for each image. For example, let $I_{n \times n}$ is a 2-D image; window size and object location are not known. Then, if the object's pixel of $I_1$ is multiplied with the object's pixel of $I_2$ gives the higher values than other pixel's multiplication. Images have a correlation, if we multiple the pixel values of two images we get the higher values when the pixels belong to the object. We have to find the location of the object and a window (part of the image with object) size.


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