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Artificial intelligence: are machines capable of creativity?

AI has been making headways in the art world, but can they create original pieces of art?

Last October, Christie’s put up a piece of art generated by artificial intelligence and it sold for US$432,500 (S$585,600). That generated buzz for a potential new art movement, sparked debate on AI’s legitimacy as an art form, and fuelled jokes about humanity’s eventual fall to robot overlords. But to participate meaningfully in such conversations, an examination of how AI art is created is in order.

  • Edmond Belamy series by Obvious

    01 TRIBUTE TO SOURCE

    Art collective Obvious’ Belamy series is a tribute to algorithm developer Ian Goodfellow. The name was chosen because “bel ami” means “good friend” in French.

 

WHAT IT IS

The piece that sold is called the Portrait Of Edmond Belamy, and it was created via machine learning orchestrated by Paris-based artists Hugo Caselles-Dupre, Pierre Fautrel and Gauthier Vernier, who are part of a collective known as Obvious. According to Christie’s, the portrait “is not the product of a human mind. It was created by an artificial intelligence, an algorithm defined by that algebraic formula with its many parentheses”.

Put simply, the trio fed thousands of portraits into an algorithm – one developed by researcher Ian Goodfellow and made popular and more accessible by AI artist and recent high-school graduate Robbie Barrat – so that it could “learn” from this curation and try to imitate those inputs. One of the earliest examples of this form of art was pioneered by the late Harold Cohen. He created AARON in the 1970s, a computer program that was designed to produce art (using paint, not pixels) autonomously, based on rules Cohen taught it.

Modern-day AI art functions much the same way, except it now incorporates machine learning, which means the art that is produced isn’t the direct result of one set of rules, but of analysing numerous images from which it “learns” a particular style or aesthetic. Feed the algorithm enough pictures of mountains and it’ll draw its interpretation of a mountain. Feed it nothing but nude portraits like Barrat did and you’ll get Impressionist-style blobs of flesh.

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WHAT IT’S NOT

AI’s autonomy really only goes so far. How an artwork turns out has just as much to do with the artist that’s helping the algorithm learn. The artist has to choose the data set to feed the algorithm, assess the output and make adjustments if necessary to arrive at the desired look. AI is not independently creative, so you can put down the tinfoil hats.

And, if art is defined by an artist’s intent, then the end result of a machine-generated image clearly doesn’t fit the criteria; it’s more of a happy accident helped along by a human being along the way.

Think of it more as a collaboration between human and machine. Says artist Mario Klingemann: “An algorithm has no intent, but neither does a brush or paint,” he says. “The intention comes from the artist who skilfully wields a brush, writes code or trains artificial intelligence.”

 

WHAT IT WILL BECOME

Goodfellow’s algorithm is known as a generative adversarial network (GAN), where one network looks for patterns in a data set and tries to generate copies that will be judged by a second network. The process repeats until the copies pass muster. The technology is clearly far from perfect, which explains why visual boundaries are blurred and the images end up looking surreal and sometimes nightmarish. But Vernier sees “GANism” as a new branch developing in the art world. “It’s a little bit like photography. We consider it a new movement that will add to the diversity of the artworks available for the art lover.”

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