The psychology of human creativity helps artificial intelligence imagine the unknown

The psychology of human creativity helps artificial intelligence imagine the unknown
Credit: Mohamed Elhoseiny

By learning to deviate from known information in the same way that humans do, an "imagination" algorithm for artificial intelligence (AI) is able to identify previously unseen objects from written descriptions.

The algorithm, developed by KAUST researcher Mohamed Elhoseiny in collaboration with Mohamed Elfeki from the University of Central Florida, paves the way for artificial imagination and the automated classification of new plant and .

"Imagination is one of the key properties of human intelligence that enables us not only to generate creative products like art and music, but also to understand the visual world," explains Elhoseiny.

Artificial intelligence relies on training data to develop its ability to recognize objects and respond to its environment. Humans also develop this ability through accumulated experience, but humans can do something that AI cannot. They can intuitively deduce a likely classification for a previously unencountered object by imagining what something must look like from a written description or by inference from something similar. In AI, this ability to imagine the unknown is becoming increasingly important as the technology is rolled out into complex real-world applications where misclassification or misrecognition of new objects can prove disastrous.

Also important is the sheer volume of data needed to reliably train AI for the real world. It is unfeasible to train AI with images of even a fraction of the known of plants and animals in the world in all their permutations, let alone the countless undiscovered or unclassified species.

Elhoseiny and Elfeki's research aimed at developing what is called a zero-shot learning (ZSL) algorithm to help with the recognition of previously unseen categories based on class-level descriptions with no training examples.

"We modeled the visual learning process for 'unseen' categories by relating ZSL to human creativity, observing that ZSL is about recognizing the unseen while creativity is about creating a 'likable unseen,'" says Elhoseiny.

In creativity, something novel but pleasing or "likable" must be different from previous art, but not so different as to be unrecognizable. In the same way, Elhoseiny and Elfeki carefully modeled a learning signal that inductively encourages deviation from seen classes, yet not pushed so far that the imagined class becomes unrealistic and loses knowledge transfer from seen classes. The resultant showed a consistent improvement over the state-of-the-art benchmarks for ZSL.

"One of the possible applications of our approach is in identifying unknown species," says Elhoseiny. "AI that is powered with this technology could help report species sightings without pictures, just with language descriptions."

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More information: Creativity Inspired Zero-Shot Learning: … _ICCV_2019_paper.pdf
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