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11/10/2008

Make yourself more attractive

Is the woman pictured on the right more attractive than the woman on the left? Do her wider-set eyes, the longer distance between her hairline and the bridge of the nose, and the rounder shape of her face make her more beautiful?


The photograph on the right was doctored by the “beautification engine” of a new computer program that uses a mathematical formula to alter the original form into a theoretically more attractive version, while maintaining what programmers call an “unmistakable similarity” to the original.

The software program, developed by computer scientists in Israel, is based on the responses of 68 men and women, age 25 to 40, from Israel and Germany, who viewed photographs of white male and female faces and picked the most attractive ones.

Scientists took the data and applied an algorithm involving 234 measurements between facial features, including the distances between lips and chin, the forehead and the eyes, or between the eyes.

Essentially, they trained a computer to determine, for each individual face, the most attractive set of distances and then choose the ideal closest to the original face. Unlike other research with formulas for facial attractiveness, this program does not produce one ideal for a feature, say a certain eye width or chin length.

They ran the photographs of 92 women and 33 men through the engine, creating before and after shots — essentially, a computer-generated version of hot or not. Changes were made only to the geometry of the faces; unlike the digital retouching done for fashion magazines, wrinkles were not smoothed and hair color was not changed.

Tommer Leyvand, who developed the “beautification” software with three others at Tel Aviv University and who works in development for Microsoft in Redmond, Wash., said the goal was not to argue that the altered faces are more beautiful than the originals. Instead, he said, it was to tackle the challenge of altering a face according to agreed-upon standards of attractiveness, while producing a result that left the face completely recognizable, rather than the product of cosmetic surgery or digital retouching.

“This tool shows in the most simple fashion how easy it is to manipulate photographs and make people more attractive,” Mr. Leyvand said. “But the difference is so subtle that it just shows how insignificant it is. We’re talking about a few inches maybe and a slightly changed perception.”

For most faces, the software made subtle changes, with the person’s essence and character largely intact. In the case of the woman pictured above, the changes were more striking, probably because her features, Mr. Leyvand said, do appear more ethnic than many of the other women and men he photographed. (The researchers have not yet created a program that would be designed with what they call a beauty estimator for nonwhite racial and ethnic groups.)

The woman, Martina Eckstut, 25, an account executive for Kay Unger New York/Phoebe Couture, volunteered to be photographed for this article and have her image beautified by Mr. Leyvand’s computer program. She said she was struck by how different she looked in the second shot.

“I think the after picture looks great, but it doesn’t really look like me at all,” she said. She added, “I would like to keep my original face.”
Source: nytimes.com

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