I don\'t understand why people like to say \"Images had to be distorted otherwis

Question

I don't understand why people like to say "Images had to be distorted otherwise they would be easily cracked". I'm talking about those verification images that we had to type to identify that we are humans.

Exactly what steps must we take to break even a simple image? like this: enter image description here

Ok so i'm guess we had to read all the bytes of the image and try to draw some sense out of those bytes? because if that's really how it is done it does seem really pretty tough (so what's with that comment that it's easily cracked), or is there a better way to crack images (that make it so easy after-all) ?

Explanation / Answer

If not distorted, using OCR it is quite easy.

By the way, there was a question on OCR yesterday (OCR - starting point) where I posted a link to Google's OCR tool. I also posted another link that may be interesting for you, in which they explain how the OCR tool treats words it cannot read, allspammedup.com/2011/01/google-recaptcha-cracked, excerpt:

"When a word in a book scan can

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