Doing The Twist

TA!Twist!Image

  19 March 2007

Description

Rotating images to make them hard to OCR (and sometimes slicing the image before random rotation of each slice).

Submitted by Anna Vlasova.

Example

Same image, but with a different rotation angle:

And a sliced version:

See also this blog entry.

Entries

Sound of Silence

Spammers compendium entry - Sound of Silence

The tURLing test

Spammers compendium entry - The tURLing test

WYSI_not_WYG

Spammers compendium entry - WYSI_not_WYG

Internet Exploiter

Spammers compendium entry - Internet Exploiter

The Microdot

Spammers compendium entry - The Microdot

We have placed cookies on your device in order to improve the functionality of this site, as outlined in our cookies policy. However, you may delete and block all cookies from this site and your use of the site will be unaffected. By continuing to browse this site, you are agreeing to Virus Bulletin's use of data as outlined in our privacy policy.