W-band speckle contrast images for inspection of concealed objects

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 6616, Issue PART 1, 2007, Pages

  Jaeger, Irina ^a   Zhang, Lixiao ^a   Stiens, Johan ^a   Koers, Gaetan ^a   Sahli, Hichem ^a   Vounckx, Roger ^a  

^a VRIJE UNIVERSITEIT BRUSSEL   (Belgium)

Author keywords

Coherence; Concealed objects; Hadamard diffuser; Speckle imaging; Statistical optics

Indexed keywords

HEALTH RISKS; LIGHT; MILLIMETER WAVES; OPTICAL RESOLVING POWER; SPECKLE; STATISTICAL METHODS;

CONCEALED OBJECTS; HADAMARD DIFFUSER; SPECKLE IMAGING;

IMAGE PROCESSING;

EID: 36248956117     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.726146     Document Type: Conference Paper

References (11)

1. E.N. Grossman, A.Luukanen, A.J.Miller, "Terahertz active direct detection imagers", Terahertz for security and Military Applications II, SPIE, 5411, 68-77 (2004)
2. R.Appleby, R.N. Anderton,S.Price,N.A.Salmon,G.N.Sinclair,P.R.Coward,A.R. Barnes,P.D.Munday, M.Morore, A.H.Lettington and A.Robertson, "Mechanically scanned real-time passive millimeter-wave imaging at 94 GHz" in Roger Appleby, David A.Wikner, Robert Trebits and James L.Kurtz, editors, Passive Millimeter-Wave Imaging Technology VI and Radar Sensor Technology VII, vol. 5077, pp 1-6, SPIE, 2003
3. A.H.Lettington, D.Dunn, N.E.AIexander.A.Wabby.B.N.Lyons, R.Doyle, J.Walshe, M.Attia and I.BIankson "Design and development of a high performance passive millimeter-wave imager for aeronautical applications", Optical Engineering, 44 (9): 099993202, 2005
4. J.W.Goodman, "Dependence of image speckle contrast on surface roughness", Opt. Comm., 14, 323-327, (1975)
5. R. Nothdurft, G. Yao, 'Imaging obscured subsurface inhomogenity using laser speckle', Optics Express 10034, 12 Dec. 2005, Vol. 13, No.25
6. J. I.Trisnadi, "Speckle contrast reduction in laser projection displays", Opt. Lett., 29, (2004)
7. P. Goy, M. Gross, S. Caroopen, J. Mallat, J. Tuovinen, A. Maestrini, G. Annino, M. Fittipaldi and M. Martinelli Millimeter-Submillimeter Vector Measurements in Free Space, and in Resonant Structures. Application to Dielectrics Characterisation, Proc. Of Material Research Society, Spring 2000 Meeting, San Francisco (invited)
8. I.Jaeger, J.Stiens, G.Koers, G.Poesen and R.Vounckx "Hadamard speckle reduction for millimeter wave imaging", Microwave and Opt. Tech. Lett, 48,9 (2006)
9. R.D.Swifr, R.B.Wattson, J.A.Decker, R.Paganetti and M.Harwit, Hadamard transform imager and imaging spectrometer, Appl. Opt., Vol.15, No.6, June 1976
10. J.A.Decker.Jr., Hadamard-transform image scanning , Appl. Opt., Vol. 0, No.6, June 1970
11. P.F.Goldsmith, Quasioptical Systems: Gaussian beam, Quasioptucal Propagation and Applications , IEEE Press, Chapman & Hall Publishers Series on Microwave Technology and RF, 1948