But why would they twirl the photo and then release it? If they didn't want to be caught then surely it would've been much more sensible just not to release it?
But why would they twirl the photo and then release it? If they didn't want to be caught then surely it would've been much more sensible just not to release it?
I think the man involved was pictured with children and had swirled his face to protect his identity. The un-swirl algorithm was produced to catch "Mr Swirl"
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Last October Interpol released pictures of a suspected paedophile, dubbed Mr Swirl, who had disguised his face on the internet using a digital technique.
The image was unscrambled and soon after a 32-year-old Canadian ex-teacher, Christopher Neil, was arrested. He is due to go on trial in Thailand in June.
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Source: http://news.bbc.co.uk/1/hi/world/americas/7390830.stm
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