Optical illusion of a cat or crow TRICKS Google reverse search algorithm | Weird | News

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After the photograph was shared on Twitter it quickly befuddled thousands of people.

On first glance, the picture could resemble a crow but it is, in fact, a cat with its head tilted sideways.

Research director at Citizens for Ethics, Robert Maguire, shared the image, writing: “This picture of a crow is interesting because it’s actually a cat.”

Mr Maguire’s initial post had garnered more than 160,000 likes and 57,000 retweets at the time of writing.

In response to the tweet, Twitter user Ben Collins quipped: “This your crat?”

Even media star Jeremy Vine was fooled by the optical illusion trickery, tweeting: “Help me with this.”

In a further development, The Daily Telegraph has revealed global tech conglomerate Google has been hoodwinked by the bizarre photo.

When the “cat-crow” image is submitted to Google’s reverse image search tool, it gives the result “common raven”.

But some American Twitter users went as far as to suggest Google had guessed the bird’s nationality.

Reed Mideke penned: “Google reverse image search says not just a crow, but specifically an American crow.”

The complex algorithm works by analysing the image to determine its most distinctive parts, including lines and textures.

It then uses the data to craft a mathematical model and ascertain precisely what the image is by comparing it with billions of other pictures.

A number of people have drawn comparisons between the “cat-crow” illusion and the “duckrabbit” drawing popularised by philosopher, Ludwig Wittgenstein.

Mr Wittgenstein introduced the image in his work Philosophical Investigations to help explain the difference between seeing and interpretation.

Twitter user Jasmine Jiang noticed the similarities, writing: “You’re a modern day Wittgenstein.”

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