bill printing keyboard comparision and error detection

i want to write a matlab program to detect the misplacing of keys in bill printing keyboard by comparing the new bill printing keyboard image with the standard already stored bill printing keyboard image................ so plz help me how to write the program?

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What is a "bill printing keyboard" ?
its a keyboard which is used in hotels to print the bill
Could you post a reference to an image of such a machine?
k give your mail id
i wil send it

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 Accepted Answer

doc imsubtract
doc imabsdiff

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Then you're going to have to write it. Have fun; I recommend starting with one of the above functions.
I'll write the program for you in full for:
-$10,000.00 American; 50% up front.
-A professional MATLAB license to be used while writing the program with any toolbox I require. (I use an educational license that can not legally be used for commercial purposes)
On the receipt of payment and license I can guarantee you the program, working in full, by mid-August 2011.
i want it within this month
I know that *I* wouldn't price a job like this or create a time-line without a full formal specification about inputs and outputs, about response times, about lighting conditions, about training required of the people who will be taking the pictures, and so on. My ball-park estimate for me to do the work, based upon the presently available information, would be on the order of $US5.5 Million.
You could post a link to some sample images, and then you could start reading the documentation Sean referred you to, and the Matlab Getting Started documentation if you are not familiar with writing MATLAB programs.
k give your mail id i wil send the pictures
Find a convenient server that allows image uploads, put the images on there, and post the URL. Please do NOT send them to my email.
http://www.orkut.co.in/Main#Album?uid=8467817806011586889&aid=1302049629

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