Document Detail


Enhanced facial recognition for thermal imagery using polarimetric imaging.
MedLine Citation:
PMID:  24978755     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
We present a series of long-wave-infrared (LWIR) polarimetric-based thermal images of facial profiles in which polarization-state information of the image-forming radiance is retained and displayed. The resultant polarimetric images show enhanced facial features, additional texture, and details that are not present in corresponding conventional thermal imagery. It has been generally thought that conventional thermal imagery (MidIR or LWIR) could not produce the detailed spatial information required for reliable human identification due to the so-called "ghosting" effect often seen in thermal imagery of human subjects. By using polarimetric information, we are able to extract subtle surface features of the human face, thus improving subject identification. Polarimetric image sets considered include the conventional thermal intensity image, S0, the two Stokes images, S1 and S2, and a Stokes image product called the degree-of-linear-polarization image.
Authors:
Kristan P Gurton; Alex J Yuffa; Gorden W Videen
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Optics letters     Volume:  39     ISSN:  1539-4794     ISO Abbreviation:  Opt Lett     Publication Date:  2014 Jul 
Date Detail:
Created Date:  2014-07-01     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7708433     Medline TA:  Opt Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  3857-9     Citation Subset:  IM    
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