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Computation of a face attractiveness index based on neoclassical canons, symmetry, and golden ratios

September 23rd, 2011

The Researchers: K. Schmid et al.

Published In: Pattern Recognition, Vol. 41(5), pp.2710-2717, 2008

Prognosis

Proportional faces considered attractive.

Particulars

Can beauty be measured? Some scientists seem to think so.

In this study—the first to study face proportions and beauty—subjects viewed photographs of 232 Caucasian females and males, including 32 photos of well-known film stars like Rock Hudson and Meg Ryan, and rated their attractiveness on a scale of 1-10. 

The researchers were looking for three possible predictors of facial attractiveness: neoclassical canons (also known as the “artistic ideal”), symmetry and the golden ratio. 

The first, the neoclassical canons, are a set of face proportions developed by the Ancient Greeks as a guide for artists. They divide the face into even sections, vertically and horizontally, showing how far apart or how large each of your features should be. The second is symmetry, or how perfectly one side of your face mirrors the other. Finally, the third is the golden ratio, or ratios of 1 to 1.6 between various facial features.  

Their question: Which measurements are most likely to predict beauty?

Overall, they found that the neoclassical canons and the golden ratio matter more for beauty than symmetry. For example, the face appeared most attractive when the nose length equaled the length of the forehead and lower face, and as the ratio of the face length to width approached the golden ratio. 

It may be possible to measure beauty, but most people actually fall pretty close to the ideal.

Beauty connection

The neoclassical canon (or “artistic ideal”) helps artists paint or sculpt a well-proportioned person—it started as a guide for them to build on. From the Venus de Milo to Da Vinci’s sketches and paintings, the beautiful women you see in museums are crafted from the canon. But these beauty standards aren’t set in stone. For instance, faces were rated more favorably if the eyes were farther apart than the ideal and many gorgeous stars and models fall outside the lines. Most likely, we’ve just grown up loving art’s masterpieces and learned to see beauty in their image.

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