Device for positioning a user by displaying the user's mirror image, a corresponding positioning method and image-capture apparatus

A device for positioning the face of a user relative to an image-capture apparatus, the device comprising a picture-taking device arranged to supply horizontally-reversed images, a display screen for displaying the reversed images and connected to the picture-taking device, and means for superposing on the images displayed on the screen at least one positioning reference mark for the user, the positioning reference mark and the displayed images lying substantially in a same plane,

• wherein the superposition means are arranged to superpose two positioning reference marks on two items of the user's body, and in that the device includes a member for measuring a distance between the user and the picture-taking device, means for determining on the image of the user at said distance a distance between the two elements of the user's body, and adaptation means for adapting the spacing of the positioning reference marks relative to the images as a function of the determined distance that exists between the elements of the user's body.