×

Method and system for example-based face hallucination

  • US 8,488,913 B2
  • Filed: 08/18/2010
  • Issued: 07/16/2013
  • Est. Priority Date: 06/14/2010
  • Status: Active Grant
First Claim
Patent Images

1. A method for example-based face hallucination on a face hallucination system, comprising the steps of:

  • preparing a training database with a plurality of training images and inputting a low resolution (LR) face image to be hallucinated;

    determining a projection matrix for projecting said plurality of training images of said training database onto a manifold domain for clearly differentiating projected images of said plurality of training images using a manifold learning technique;

    projecting said plurality of training images of said training database and said LR face image onto said manifold domain using said projection matrix, where yL representing a projected image of said LR face image and ytrain representing projected training images of said training;

    images of said training database;

    selecting a training set best matching yL from N projected training images ytrain, where N is not greater than a total number of said plurality of training images;

    learning a set of basis images by using basis decomposition on said training set and yL, said set of basis images including a set of high resolution prototype faces of in said training set and a low resolution (LR) prototype face of yL; and

    reconstructing a high resolution face image of said LR face image by using said basis images.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×