Online image search has traditionally relied on text tags and a keen eye. But new technologies can help find pictures of your boyfriend, Leonardo DiCaprio or even a perfectly worn-in pair of jeans — regardless of the photograph’s lighting or angle….The Malmö, Sweden-based company solves that problem with 3-D modeling technology that measures parameters such as the distance between the base of the nose and the top of the upper lip. The software also relies on statistical analyses its engineers have performed on hundreds of images to establish what head shape people with a given set of facial features are likely to have.
Read this article from WIRED and commentary from the Read/Write Web pertaining to an eCommerce version of a similar technology.