7 Sep Using a database of facial imagery (from a dating site that makes its data public), the researchers collected 35, images of 14, people, with (self-identified) gay and straight men and women all equally represented. Their facial features were extracted and quantified: everything from nose and eyebrow. 11 Sep A facial recognition experiment that claims to be able to distinguish between gay and heterosexual people has sparked a row between its creators and two leading LGBT rights groups. The Stanford University study claims its software recognises facial features relating to sexual orientation that are not. 8 Sep The study from Stanford University – which found that a computer algorithm could correctly distinguish between gay and straight men 81 per cent of the time, and 74 per cent for women – has raised questions about the biological origins of sexual orientation, the ethics of facial-detection technology and the.