Evaluation of Virtual Source Beam Configurations for Rapid Tomographic Reconstruction of Gas and Vapor Concentrations in Workplaces

Journal of the Air and Waste Management Association

Volumn 47, Issue 5, 1997, Pages 582-591

  Park, Doo Y ^a   Levine, Steven P ^a   Yost, Michael G ^b  

^a UNIVERSITY OF MICHIGAN   (United States)

^b UNIVERSITY OF WASHINGTON   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTER SIMULATION; COMPUTERIZED TOMOGRAPHY; FOURIER TRANSFORM INFRARED SPECTROSCOPY; IMPURITIES; MIRRORS; NUMERICAL ANALYSIS; OCCUPATIONAL RISKS; POLLUTION DETECTION; VAPORS;

OPEN PATH FOURIER TRANSFORM INFRARED SPECTROSCOPY (OP FTIR); RETROREFLECTORS;

AIR POLLUTION;

AIR MONITORING; ARTICLE; COMPUTER ASSISTED TOMOGRAPHY; COMPUTER PROGRAM; COMPUTER SIMULATION; INFRARED SPECTROSCOPY; PRIORITY JOURNAL; WORKPLACE; WORKROOM AIR;

EID: 0031148738     PISSN: 10962247     EISSN: 21622906     Source Type: Journal    
DOI: 10.1080/10473289.1997.10463687     Document Type: Article

References (13)

1. Xiao, H.K.; Levine, S.P.; Herget, W.F.; D’Arcy, J.B.; Spear, R.; Pritchett, T. “A transportable remote sensing infrared air monitoring system,” Am. Ind. Hyg. Assoc. J. 1991, 52, 449.
2. Levine, S.P.; Russwurm, G.M. “FTIR optical remote sensing for monitoring airborne gas and vapor contaminants,” Trends in Anal. Chem. 1994, 13(7), 258.
3. Malachowski, M.S.; Levine, S.P.; Herrin, G.; Spear, R.C.; Yost, M.G.; Zhou, Y. “Workplace and environmental air contaminant concentrations measured by OP-FTIR spectroscopy: a statistical process control technique to detect changes from normal operating conditions,” J. Air & Waste Manage. Assoc. 1994, 44, 673.
4. Todd, L.; Leith, D. “Remote sensing and computed tomography in industrial hygiene,” Am. Ind. Hyg. Assoc. J. 1990, 51(4), 224.
5. Todd, L.; Ramachandran, G. “Evaluation of algorithms for tomographic reconstruction of chemical concentrations in indoor air,” Am. Ind. Hyg. Assoc. J. 1994, 55(5), 403.
6. Yost, M.G.; Gadgil, A.J.; Drescher, A.C.; Zhou, Y.; Sigmond, M.A.; Levine, S.P.; Nazaroff, W.W.; Saisan, P.A. “Imaging indoor tracer-gas concentrations with computed tomography: experimental results with a remote sensing FTIR system,” Am. Ind. Hyg. Assoc. J. 1994, 55(5), 395.
7. Bennett, K.E.; Faries, G.W.; Byer, R.L. “Experimental optical fan beam tomography,” Appl. Opt. 1984, 23(18), 2678.
8. Todd, L.; Ramachandran, G. “Evaluation of optical source-detector configurations for tomographic reconstruction of chemical concentrations in indoor air,” Am. Ind. Hyg. Assoc. J. 1994, 55(12), 1133.
9. Brooks, R.A.; Di Chiro, G. “The theory of image reconstruction in computed tomography,” Radiology 1975, 117, 561.
10. Drescher, A.C.; Park, D.Y.; Yost, M.G.; Gadgil, A.J.; Levine, S.P.; Nazaroff, W.W. “Chamber studies of trace gas concentration measurements using open path FTIR remote sensing and SBFM computed tomography,” submitted to Atmospheric Environment 1995.
11. Drescher, A.C.; Gadgil, A.J.; Nazaroff, W.W. “Novel approach for tomographic reconstruction of gas concentration distributions in air: use of smooth basis functions and simulated annealing,” submitted to Atmospheric Environment 1994.
12. Kak, A.C.; Slaney, M. Principles of Computerized Tomographic Imaging; IEEE Press: New York, 1988.
13. Ramachandran, G.; Leith, D.; Todd, L. “Extraction of spatial aerosol distributions from multispectral light extinction measurements using computed tomography,” J. Opt. Soc. 1993, 11.