How printers and Photoshop detect and refuse to process images of currency
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Re: How printers and Photoshop detect and refuse to process images of currency
#2[deleted]
Re: How printers and Photoshop detect and refuse to process images of currency
#3seems like something that can be bypassed by patching a couple jumps in asm with the help of IDA and a cup o' joe.
Re: How printers and Photoshop detect and refuse to process images of currency
#4When I was in college (99-2000ish, maybe?), one of my roommates was an art major with a graphic design bent, and he had this high end printer and would copy and print $1 bills and take 20 at a time over to the vending machines around the corner from our apartments once a week or so. After about a month of doing this, the machines disappeared.
Of course, he's the same roommate who later got arrested for wire fraud and grand theft.
Re: How printers and Photoshop detect and refuse to process images of currency
#5So much details on a note makes me wonder, if a message could be steganographed within notes.
Something like: If you can see this: Call 1-800-FED
Re: How printers and Photoshop detect and refuse to process images of currency
#6seems like something that can be bypassed by patching a couple jumps in asm with the help of IDA and a cup o' joe.
GIMP... and enjoy the coffee.
Re: How printers and Photoshop detect and refuse to process images of currency
#7This is one of the things that made me really see the value of free software.
I did verify experimentally that the Eurion constellation alone doesn't trigger photoshop's image rejection algorithm. I think it would be fun to distribute a bunch of images that false-positive the digimarc algorithms, just to mess with people.
Re: How printers and Photoshop detect and refuse to process images of currency
#8seems like something that can be bypassed by patching a couple jumps in asm with the help of IDA and a cup o' joe.
At least for older versions of Photoshop there circulated currency-patchs so that you could edit money if you wanted to.
Re: How printers and Photoshop detect and refuse to process images of currency
#9"Ah! I remember reading the original web page from years and years ago about the fact that this happens. I wonder if they've discovered how they do it now (the algorithm). I will click on this presumably new (on a news site) link that says 'how'. WTF? It's just the same old page from 2004!"
Re: How printers and Photoshop detect and refuse to process images of currency
#10When I was in college (99-2000ish, maybe?), one of my roommates was an art major with a graphic design bent, and he had this high end printer and would copy and print $1 bills and take 20 at a time over to the vending machines around the corner from our apartments once a week or so. After about a month of doing this, the machines disappeared. Of course, he's the same roommate who later got arrested for wire fraud and…
Given the cost of high quality ink and paper, one wonders how much less than $1 those bills cost to make.