Local CT Using a THz QCL

We describe a case study of the local reconstruction of a ROI from a 3D terahertz data set, obtained via a QCL. Difficulties with the limited projection angles and image noise make the development of accurate local reconstruction algorithms particularly challenging.

[1]  David A. Ritchie,et al.  Terahertz quantum cascade lasers—first demonstration and novel concepts , 2005 .

[2]  Martin D. Levine,et al.  Vision in Man and Machine , 1985 .

[3]  W. Kwok,et al.  Emission of Coherent THz Radiation from Superconductors , 2007, Science.

[4]  David D. Nelson,et al.  A high precision pulsed quantum cascade laser spectrometer for measurements of stable isotopes of carbon dioxide , 2005 .

[5]  Edmund H. Linfield,et al.  2.9THz quantum cascade lasers operating up to 70K in continuous wave , 2004 .

[6]  Linda G. Shapiro,et al.  Image Segmentation Techniques , 1984, Other Conferences.

[7]  Masayoshi Tonouchi,et al.  Cutting-edge terahertz technology , 2007 .

[8]  Vasilis Ntziachristos,et al.  Looking and listening to light: the evolution of whole-body photonic imaging , 2005, Nature Biotechnology.

[9]  David A. Ritchie,et al.  Three-dimensional imaging with a terahertz quantum cascade laser , 2006 .

[10]  F. Capasso,et al.  Recent progress in quantum cascade lasers and applications , 2001 .

[11]  Carlo Sirtori,et al.  Long-wavelength (? ? 8–11.5??µm) semiconductor lasers with waveguides based on surface plasmons , 1998 .

[12]  E. Linfield,et al.  Continuous-wave operation of far-infrared quantum cascade lasers , 2002 .

[13]  James S. Harris,et al.  Biomedical terahertz imaging with a quantum cascade laser , 2006 .

[14]  Tzong-Jer Chen,et al.  Fuzzy c-means clustering with spatial information for image segmentation , 2006, Comput. Medical Imaging Graph..

[15]  Qing Hu,et al.  3.4-THz quantum cascade laser based on longitudinal-optical-phonon scattering for depopulation , 2003 .

[16]  J. Das,et al.  Sodar image segmentation by fuzzy c-means , 1996, Signal Process..