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                            Library & Multimedia
 Three-dimensional facial imaging using a static light screen (SLS) and a dynamic subject
NCJ Number
              305686

Author(s)
          Robert T. McKeon;
                        Patrick J. Flynn
Date Published

April 2010
Length
              10 pages
Annotation
              Since many commercially available 3-D sensors suitable for face image capture employ passive or texture-assisted stereo imaging or structured illumination with a moving light stripe, these techniques require a stationary subject, so the authors of this paper describe an initial design and evaluation of a fixed-stripe moving object 3-D scanner designed for human faces.
Abstract
              The authors’ method of acquisition requires the subject to walk through a static light screen generated by two laser line projectors. Triangulation and tracking applied to the video sequences captured during subject motion yield a 3-D image of the subject's face from multiple images. To demonstrate the accuracy of the authors’ initial design, a small-scale facial recognition experiment was executed. In an experiment involving 81 subjects with four images per subject on the average, the authors used two gallery images per subject, and achieved 89.6% rank-one recognition using an iterative closest point (ICP)-based matching method, demonstrating the feasibility of the technique. (Publisher abstract provided)
      
  
          Additional Details
Grant Number(s)
        2006-IJ-CX-K041


  
  
        
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        NIJ-Sponsored


  
  
        
  Award
        Face Recognition From Video
    
  
  
Date Published: April 1, 2010
    
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