Facial recognition system introduced varying technologies to the procedure. Some of the most notable include the following techniques: Some face recognition algorithms identify facial features by extracting landmarks, or features, from an image of the subject's face. For example, an algorithm may analyze the relative position, size, and/or shape of the eyes, nose, cheekbones, and jaw. These features are then used to search for other images with matching features. Other algorithms normalize a gallery of face images and then compress the face data, only saving the data in the image that is useful for face recognition. A probe image is then compared with
Facial feminization surgery face into a female face; he pioneered most of the procedures involved in FFS and was involved in their subsequent improvements as well. As of 2006, there were about twelve surgeons globally who specialized in FFS. In the US as of 2006, the procedure cost between $20,000 and $40,000, about twice the cost of sexual reassignment surgery. In Europe prices are considerably lower. As of 2017 between €10.000 and €25.000 for a complete FFS. Facial feminization surgery Facial feminization surgery (FFS) is a set of cosmetic surgical procedures that alter typically male facial features to bring them closer in shape