How to calculate an image position on the screen

[A Person]

Now this question may sounds kinda stupid but i can't actually figure out how to do this, the only data i've got is the width and height of the image and pixel data as either a black pixel or a white pixel so 1 or 0. What i want to do is if i have a character such as # on the screen i want to calculate the translation from one # image to another so lets say there is two images of # one of them is here and the other here
# #
i just want to see the translation values for this, for example (x = ?, y = 0) i've thought maybe getting the distance of each pixel that is black to a center pixel on the screen in between the two images or something and then see how much that distance changes but im kind of lost right now.

[Sumaleth]

(edit: this was in response to a post that was deleted)

=Area_of_A/Area_of_B * 100
=(480*210)/(720*480) * 100
~=.29 * 100
~=29%

(this would have been better as a new thread?)

Rowan.

[WhatsOurVectorVictor]

Are you talking about image recognition?