Processing: How to Hide Messages in Images

Can you spot the difference?

Alright, take a look at the two versions of Starry Night above. They look the same, right?

WRONG.

There’s a Shel Silverstein poem in one of them. It’s chilling out in the different red values of the pixels in the upper left hand corner on the second Starry Night. I love this method of hiding messages.

If you convert letters into numbers, you can use those to make pixel color changes that are pretty darn subtle. Then when you send your encoded image to anyone with the original, they can use Processing to pull the message out.

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Processing: How to Hide Messages in Static

What Do I Say?

Poltergeist was hands down the scariest movie I saw as a child. It hard coded my brain to associate static on television with sinister messages from the beyond. Now that I’m older,  I’ve come to the realization that static is a great place to hide all kinds of messages (thanks Poltergeist). And Processing is the obvious place to make that happen.

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