Optimal discrimination and classification of THz spectra in the wavelet domain

Optics Express

Volumn 11, Issue 12, 2003, Pages 1462-1473

  Galvão, Roberto K H ^a   Hadjiloucas, Sillas ^b   Bowen, John W ^b   Coelho, Clarimar J ^c  

^a INSTITUTO TECNOLÓGICO DE AERONÁUTICA   (Brazil)

^b UNIVERSITY OF READING   (United Kingdom)

^c PONTIFÍCIA UNIVERSIDADE CATÓLICA DE GOIÁS   (Brazil)

Author keywords

[No Author keywords available]

Indexed keywords

FOURIER TRANSFORM INFRARED SPECTROSCOPY; FREQUENCY DOMAIN ANALYSIS; OPTIMIZATION; REGRESSION ANALYSIS; SIGNAL PROCESSING; WAVELET TRANSFORMS;

CHEMOMETRICS; FAR INFRARED; SPECTRAL DISCRIMINATION; ULTRAFAST MEASUREMENTS; WAVELETS;

IMAGING TECHNIQUES;

EID: 1442305627     PISSN: 10944087     EISSN: None     Source Type: Journal    
DOI: 10.1364/OE.11.001462     Document Type: Article

References (29)

1. D.M. Mittleman, R.H. Jacobsen, and M.C. Nuss, "T-Ray Imaging," IEEE J. Sci. Top. Quantum Electron. 2, 679-692 (1996).
2. th International Conference on Infrared and millimeter waves, Toulouse France, September 2001
3. D.M. Mittleman R. H. Jacobsen, R. Neelamani, R. G. Baraniuk and M. C. Nuss, "Gas sensing using terahertz time-domain spectroscopy," Appl. Phys. B. 67, 379-390, (1998).
4. Z. Jiang and X.-C. Zhang, "Single-Shot Spatial-Temporal THz Field Imaging," Opt. Lett. 23,1114-1116 (1998).
5. Z. Jiang and X.-C. Zhang, "2D measurement and spatio-temporal coupling of few-cycle THz pulses," Opt. Express 5, 243-248 (1999), http://www.opticsexpress.org/oearchive/source/13775.htm.
6. T. Löffler, T. Bauer, K.J. Siebert, H.G. Roskos, A. Fitzgerald and S. Czasch, "Terahertz dark-field imaging of biomedical tissue," Opt. Express 9, 616-621 (2001), http://www.opticsexpress.org/oearchive/source/37294. htm.
7. S.W Smye, J.M. Chamberlain, A.J. Fitzgerald and E. Berry "The interaction between Terahertz radiation and biological tissue," Phys. Med Biol. 46 No 9 R101-R112 (2001).
8. A.J. Fitzgerald, E Berry, N.N. Zinovev, G.C. Walker, M.A. Smith and J.M. Chamberlain, "An introduction to medical imaging with coherent terahertz frequency radiation," Phys. Med. Biol. 47 No 7 R67-R84 (2002).
9. P. Haring-Bolivar, M. Brucherseifer, M. Nagel, H. Kurz, A. Bosserhoff and R. Büttner "Label-free probing of genes by time-domain terahertz sensing," Phys. Med. Biol. 47, 3815-3822 (2002).
10. S. Hadjiloucas.L.S. Karatzas and J.W. Bowen, "Measurements of Leaf Water Content Using Terahertz Radiation," IEEE Trans. Microwave Theory Tech. MTT. 47, 142-149 (1999).
11. P. Y. Han, G.C. Cho and X.-C. Zhang, "Time-domain transillumination of biomedical tissue with terahertz pulses," Opt. Lett. 25, 242-244 (2000).
12. D.D. Arnone, C. Ciesla, and M. Pepper, "Terahertz imaging comes into view," in Issue April 2000 of Physics World, (Institute of Physics and TOP Publishing Limited 2000), pp. 35-40.
13. R.M. Woodward, B. Cole, V.P. Wallace, D.D. Arnone, R. Pye, E.H. Linfield, M. Pepper and A.G. Davies, "Terahertz pulse imaging of in-vitro basal cell carcinoma samples," in OSA Trends in Optics and Photonics (TOPS) 56, Conference on Lasers and Electro-Optics (CLEO 2001), Technical Digest, Postconference Edition (Optical Society of America, Washington D.C., 2001), 329-330.
14. P Knobloch, C. Schildknecht, T. Kleine-Ostmann, M. Koch, S. Hoffmann, M. Hofmann, E. Rehberg, M. Sperling, K. Donhuijsen, G. Hein, and K. Pierz, "Medical THz imaging: an investigation of histo-pathological samples," Phys. Med. Biol. 47, 3875-3884 (2002).
15. R.M. Woodward, B.E. Cole, V.P Wallace, R.J. Pye, D.D. Arnone, E.H. Linfield and M. Pepper "Terahertz pulse imaging in reflection geometry of human skin cancer and skin tissue," Phys. Med. Biol. 47, 3853-3864 (2002).
16. S. Hadjiloucas, R.K.H. Galvao and J.W. Bowen, "Analysis of spectroscopic measurements of leaf water content at THz frequencies using linear transforms," J. Opt Soc. Am A 19, 2495-2509, (2002).
17. R.K.H. Galvão, S. Hadjiloucas and J.W. Bowen, "Use of the statistical properties of the wavelet transform coefficients for the optimization of integration time in Fourier transform spectrometry," Opt. Lett. 27, 643-645 (2002).
18. D.M. Mittleman G. Gupta, R. Neelamani, R.G. Baraniuk J.V. Rudd and M. Koch "Recent advances in terahertz imaging" Appl. Phys. B 68, 1085-1094 (1999).
19. B. Ferguson and D. Abbott, "Wavelet de-noising of optical terahertz imaging data," Fluctuation and Noise Lett., 1, L65-L70, (2001).
20. B. Ferguson and D. Abbott, "De-noising techniques for terahertz responses of biological samples," Microelectron. J., 32, 943-953, (2001).
21. J. W. Handley, A.J. Fitzgerald, E. Berry and R.D. Boyle "Wavelet compression in medical terahertz pulsed imaging," Phys. Med. Biol. 47, 3885-3892 (2002).
22. G. Strang and T. Nguyen, Wavelets and Filter Banks, (Wellesley-Cambridge Press, Wellesley, 1996).
23. I. Daubechies, Ten lectures on wavelets, (Society for Industrial and Applied Mathematics, SIAM, Philadelphia, 1992).
24. P. P. Vaidyanathan, Multirate Systems and Filter Banks, (Prentice-Hall, Englewood Cliffs, 1993).
25. A.V. Oppenheim and R.W. Schafer, Discrete-Time Signal Processing, (Prentice-Hall, Englewood Cliffs, 1989).
26. B.G. Sherlock and D. M. Monro, "On the space of orthonormal wavelets," IEEE Trans. Signal Processing, 46, 1716-1720, 1998.
27. J. A. Neider and R. Mead, "Simplex method for function minimization," Computer, 7, 308-313 (1965).
28. H.C. Goicoechea and A.C. Olivieri, "Wavelength selection by net analyte signals calculated with multivariate factor-based hybrid linear analysis (HLA). A theoretical and experimental comparison with partial least-squares (PLS)", Analyst, 124, 725-731 (1999).
29. E. R. Malinowski, Factor analysis in chemistry, (Wiley, New York, 1991).