Client-server system for three-dimensional face make-up simulation

Claim 2

The three-dimensional beauty simulation client-server system according to claim 1, further comprising a client that can access said server, wherein said server provides a makeup simulation in response to requests from said client.

Claim 3

The three-dimensional beauty simulation client-server system according to claim 1, further comprising a cellular telephone that has a data transmission function and can access said server, wherein said server provides a makeup simulation in response to requests from said cellular telephone.

Claim 4

The three-dimensional beauty simulation client-server system according to claim 1, wherein said server further comprises a member registration unit that stores member registration information, and wherein said server provides makeup simulations to users registered beforehand in said member registration unit.

Claim 5

The three-dimensional beauty simulation client-server system according to claim 1, wherein said server transmits the operation record and/or administrative information regarding said users via a computer network.

Claim 6

The three-dimensional beauty simulation client-server system according to claim 1, wherein said shop-based client comprises: a plurality of cameras to obtain images of the user as seen from a plurality of viewpoints; a corresponding point search unit that receives each item of image data obtained from the plurality of cameras, analyzes the plurality of images, and searches for corresponding points that correspond to each other; a three-dimensional shape recognition unit that analyzes the searched corresponding points and recognizes the three-dimensional shape of the target object; a geometric calculation unit that sets a line of sight based on the recognition results from said three-dimensional shape recognition unit, and generates an image from a prescribed line of sight through geometric conversion of the data based on the set line of sight; a display unit that displays the image generated by said geometric calculation unit; and communication means that transmits the image data generated by said geometric calculation unit to said server.

Claim 7

The three-dimensional beauty simulation client-server system according to claim 6, wherein said corresponding point search unit and said geometric calculation unit comprises: a feature point extraction unit that extracts feature points from each of said plurality of images; a correlation calculating unit that seeks correlation among the feature points of said plurality of images and seeks combinations of said feature points; a matching unit that discards combinations having a low feasibility from among said combinations of feature points based on the condition that the images were seen from said plurality of viewpoints; a camera orientations determining unit that seeks the positions of said plurality of viewpoints and the directions of the lines of sight; and a match propagation unit that, under the conditions imposed by the positions of said plurality of viewpoints and the direction of said lines of sight obtained by said camera orientations determining unit, selects combinations of feature points starting with those having superior geometric and statistical reliability and adjusts the analysis range of the images of said target object.

Claim 8

The three-dimensional beauty simulation client-server system according to claim 6, wherein said corresponding point search unit and said geometric calculation unit comprises: a feature point extraction unit that extracts feature points from each of said plurality of images; a correlation calculating unit that seeks correlation among the feature points of said plurality of images and seeks combinations of said feature points; a matching unit that discards combinations having a low feasibility from among said combinations of feature points based on the condition that the images were seen from said plurality of viewpoints; a camera orientations determining unit that seeks the positions of said plurality of viewpoints and the directions of the lines of sight; a match propagation unit that, under the conditions imposed by the positions of said plurality of viewpoints and the direction of said lines of sight obtained by said camera orientations determining unit, selects combinations of feature points starting with those having superior geometric and statistical reliability and adjusts the analysis range of the images of said target object; a resampling unit that normalizes the matching map obtained by said match propagation unit; a three-dimensional position measurement unit that determines the position of said target object in a three-dimensional space based on the normalized matching map; and a view interpolation unit that generates images seen from viewpoints different from said plurality of viewpoints based on the determined three-dimensional position of said target object.

Claim 9

The three-dimensional beauty simulation client-server system according to claim 6, wherein said corresponding point search unit and said geometric calculation unit comprises: a feature point extraction unit that extracts feature points from each of said plurality of images; a correlation calculating unit that seeks correlation among the feature points of said plurality of images and seeks combinations of said feature points; a matching unit that discards combinations having a low feasibility from among said combinations of feature points based on the condition that the images were seen from said plurality of viewpoints; and a match propagation unit that, under the geometric constraints imposed by the lines of sight, selects combinations of feature points starting with those having superior geometric and statistical reliability and adjusts the analysis range of the images of said target object.

Claim 10

The three-dimensional beauty simulation client-server system according to claim 6, wherein said corresponding point search unit and said geometric calculation unit comprises: a feature point extraction unit that extracts feature points from each of said plurality of images; a correlation calculating unit that seeks correlation among the feature points of said plurality of images and seeks combinations of said feature points; a matching unit that discards combinations having a low feasibility from among said combinations of feature points based on the condition that the images were seen from said plurality of viewpoints; a match propagation unit that, under the geometric constraints imposed by the lines of sight, selects combinations of feature points starting with those having superior geometric and statistical reliability and adjusts the analysis range of the images of said target object; a resampling unit that normalizes the matching map obtained by said match propagation unit; a three-dimensional position measurement unit that determines the position of said target object in a three-dimensional space based on the normalized matching map; and a view interpolation unit that generates images seen from viewpoints different from said plurality of viewpoints based on the determined three-dimensional position of said target object.

Claim 11

A three-dimensional beauty simulation server comprising a makeup simulation unit that receives and stores three-dimensional shape data of a user from a shop-based client and carries out makeup simulation based on the three-dimensional shape data in response to requests from the user, and a data control unit that analyzes the operation record for said user and generates administrative information, wherein said makeup simulation unit comprises a receiving unit that receives said three-dimensional shape data, a database that stores the received three-dimensional shape data, and a makeup simulation providing unit that provides a makeup simulation in response to requests for such simulation; and wherein said data control unit of said server comprises a user information analyzer that receives the operation history of the user and analyzes the trends therein, a control database that stores the analyzed data, an information processing unit that reads out data from the control database in response to external requests and processes the data in accordance with said requests, and a transmitting/receiving unit that transmits the output of said information processing unit to the requesting source and receives requests from the requesting source.

Claim 12

The three-dimensional beauty simulation server according to claim 11, wherein said makeup simulation providing unit analyzes the condition of the user's facial skin and the light and dark areas that indicate the protrusions and indentations thereon, and evaluates the user's facial expression based on the results of such analysis.

Claim 13

The three-dimensional beauty simulation server according to claim 11, wherein said makeup simulation providing unit obtains a facial image of the user, displays for the user a plurality of target facial images stored beforehand for allowing the user to select one of these images, combines said user facial image and said target facial image in a plurality of predetermined ratios, and supplies a plurality of combined facial images to the user.

Claim 14

The three-dimensional beauty simulation server according to claim 11, wherein said makeup simulation providing unit supplies facial images seen from freely chosen viewpoints.

Claim 17

A method as claimed in claim 16 wherein the user's behaviour is monitored to determine said information relating to user preferences.