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A system that can transform images of human faces into


Chitrakar: A system that can transform images of human faces into drawings

Researchers on the TCS Robotics Analysis Lab in India have not too long ago developed a synthetic intelligence (AI) system that can routinely convert a picture of an individual’s face into a recognizable non-self-intersecting loop, often known as a Jordan curve. Subsequently, this Jordan curve can be used to provide life like drawings of the individual within the authentic picture, utilizing a robotic hand.

“The thought for this paper got here to me on a flight whereas studying assortment of greatest mathematical writings, the place I got here throughout the article titled “Jordan Curve Theorem Is Non-trivial’ by Fiona Ross and William T. Ross,” Aniruddha Singhal, one of the researchers who carried out the research, informed TechXplore. “I related it with one other e-book that I had learn earlier, titled ‘In Pursuit of the Travelling Salesman’ by William J. Prepare dinner, discussing touring salesman downside (TSP) artwork. I noticed I might additionally interpret the article from a Vedantic (Indic or Hindu philosophical) level of view, which connects the thought of TSP artwork and the Jordan curve, turning it into an expression of the final word magnificence.”

A Jordan curve is basically a single line that begins and ends in the identical level in area, drawing a picture with out ever intersecting itself. TSP artwork, alternatively, is a type of artwork wherein images are produced by drawing a single, non-intersecting line.

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After studying about Jordan curves and TSP artwork, Singhal, who’s a roboticist, began investigating the likelihood of routinely producing TSP drawings, that are very tough for people to create. In collaboration along with his colleagues on the TCS Robotics Analysis Lab, he finally created Chitrakar, a system that can transform a picture into a drawing composed of a single, lengthy line, in the end turning it into a Jordan curve. In Hindi/Sanskrit, the phrase Chitrakar means ‘painter,” or the one who creates a portray.

“Our system makes use of state-of-the-art, deep-learning methods to section the human face from a photograph and mixed this with picture enhancements methods,” Singhal stated. “The improved picture is stippled, and the factors are related by a TSP solver the place every level is assumed to be a vacation spot of a touring salesman. The ultimate route of touring salesman is transformed to a Jordan curve by an intersection removing method.”

Chitrakar, the system created by the researchers, can autonomously convert any picture of a human face into a Jordan curve. Subsequently, this Jordan curve is drawn on a bit of paper by a robotic gripper, in the end creating inventive TSP portraits.

“It’s an engineering feat to have the ability to mix state-of-the-art deep-learning strategies, picture processing and robotics to allow a robotic arm to attract a portrait in its personal distinctive fashion,” Singhal defined. “It’s satisfying to see a robotic drawing your face in a singular fashion.”

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The robotic gripper designed by Singhal and his colleagues can maintain a spread of totally different pens, which produce barely totally different drawings (e.g., with thinner/thicker strains, of a special coloration, and so forth.). Remarkably, it can produce drawings with a suitable lead to lower than half-hour, which is unimaginable to realize by human artists. The researchers’ system is at the moment being patented in a number of totally different international locations and will finally grow to be extensively accessible.

“We now plan to increase this for different mediums that are tough for human to deal with,” Singhal defined. “For example, we plan to make use of Model-GAN and different generative fashions to generate distinctive portraits from a given image after which convert them into line or pencil sketches.”

Supply:Extra info: Chitrakar: robotic system for drawing Jordan curve of facial portrait. arXiv:2011.10781 [cs.RO]. arxiv.org/abs/2011.10781

Chitrakar: A system that can transform images of human faces into drawings

 

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