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Xinming Liu

Present Title & Affiliation

Primary Appointment

Assistant Professor, Department of Imaging Physics, Division of Diagnostic Imaging, University of Texas MD Anderson Cancer Center, Houston, TX

Dual/Joint/Adjunct Appointment

Assistant Professor, Graduate School of Biomedical Sciences, University of Texas, Houston, TX

Research Interests

  • Digital radiography & digital mammography
  • Digital imaging detector techniques
  • Medical image quality measurement & evaluation 
  • CT radiation dose management
  • Biomedical instrumentation

Education & Training

Degree-Granting Education

1996 Xi’an Jiaotong University, Xi’an, China, PHD, Biomedical Engineering & Instrumentation
1987 Xi’an Jiaotong University, Xi’an, China, MS, Electrical Engineering
1984 Xi’an Jiaotong University, Xi’an, China, BS, Electrical Engineering

Postgraduate Training

7/1997-7/1998 Postdoctoral Research Associate, University of Pittsburgh Medical Center, Pittsburgh, PA

Board Certifications

6/2008 American Board of Radiology - Diagnostic Radiologic Physics

Professional Memberships

American Association of Physicist in Medicine
Member, 7/1998-present
IEEE - The Institute of Electrical and Electronics Engineers
Member, 1/2005-present
SPIE-The International Society for Optical Engineering
Member, 1/1999-present

Selected Publications

Peer-Reviewed Original Research Articles

1. Liu X, Lai CJ, Whitman GJ, Geiser WR, Shen Y, Yi Y, Shaw CC. Effects of exposure equalization on image signal-to-noise ratios in digital mammography: A simulation study with an anthropomorphic breast phantom. Med Phys 38(12):6489-6501, 12/2011. PMCID: PMC3247925.
2. Shen Y, Yi Y, Zhong Y, Lai CJ, Liu X, You Z, Ge S, Wang T, Shaw CC. High resolution dual detector volume-of-interest cone beam breast CT - demonstration with a bench top system. Med Phys 38(12):6429-6442, 12/2011. PMCID: PMC3230641.
3. Yi Y, Lai CJ, Han T, Zhong Y, Shen Y, Liu X, Ge S, You Z, Wang T, Shaw CC. Radiation doses in cone-beam breast computed tomography: A Monte Carlo simulation study. Med Phys 38(2):589-97, 2/2011. PMCID: PMC3030614.
4. Liu X, Shaw CC, Lai CJ, Wang T. Comparison of scatter rejection and low contrast performance of scan equalization digital radiography (SEDR), slot-scan digital radiography and full-field digital radiography systems for chest phantom imaging. Med Phys 38(1):23-33, 1/2011. PMCID: PMC3017579.
5. Lai CJ, Chen L, Zhang H, Liu X, Zhong Y, Shen Y, Han T, Ge S, Yi Y, Wang T, Yang WT, Whitman GJ, Shaw CC. Reduction in x-ray scatter and radiation dose for volume-of-interest (VOI) cone beam breast CT: a phantom study. Phys Med Biol 54(21):6691-6709, 11/2009. PMCID: PMC2855392.
6. Liu X, Lai CJ, Chen L, Han T, Zhong Y, Shen Y, Wang T, Shaw CC. Scan equalization digital radiography (SEDR) implemented with an amorphous selenium flat-panel detector: initial experience. Phys Med Biol 54(22):6959-6978, 11/2009. PMCID: PMC2855213.
7. Chen L, Shen Y, Lai CJ, Han T, Zhong Y, Ge S, Liu X, Wang T, Yang WT, Whitman GJ, Shaw CC. Dual resolution cone beam breast CT: a feasibility study. Med Phys 36(9):4007-14, 9/2009. PMCID: PMC2738741.
8. Chen L, Shaw CC, Altunbas M, Lai C, Liu X, Han T, Wang T, Whitman G. Feasibility of Volume-of-interest (VOI) scanning technique in cone beam breast CT - a preliminary study. Med Phys 35(8):3482-3490, 8/2008. PMCID: PMC2809707.
9. Liu X, Shaw CC, Lai C, Altunbas M, Chen L, Han T, Wang T. Scatter rejection and low-contrast performance of a slot-scan digital chest radiography system with electronic aft-collimation: A chest phantom study. Med Phys 35(6):2391-2402, 6/2008. PMCID: PMC2809722.
10. Chen L, Shaw CC, Altunbas M, Lai C, and Liu X. Spatial resolution properties in cone beam CT: A simulation study. Med Phys 35(2):724-734, 2/2008. PMCID: PMC2857694.
11. Altunbas MC, Shaw CC, Chen L, Lai C,Liu X, Han T, Wang T. A post-reconstruction method to correct cupping artifacts in cone beam breast computed tomography. Med Phys 34(7):3109-3118, 7/2007. PMCID: PMC1995653.
12. Liu X, Shaw CC. Rejection and redistribution of scattered radiation in Scan Equalization Digital Radiography (SEDR): simulation with spot images. Med Phys 34(7):2718-2729, 7/2007. PMCID: PMC2841411.
13. Lai CJ, Shaw CC, Chen L, Altunbas MC, Liu X, Han T, Wang T, Yang WT, Whitman GJ, Tu SJ. Visibility of microcalcification in cone beam breast CT - Effects of x-ray tube voltage and radiation dose. Med Phys 34(7):2995-3004, 7/2007. PMCID: PMC2867610.
14. Liu X, Shaw CC, Altunbas MC, Wang T. An alternate line erasure and readout (ALER) method for implementing slot-scan imaging technique with a flat-panel detector--initial experiences. IEEE Trans Med Imaging 25(4):496-502, 4/2006. PMCID: PMC2000378.
15. Liu X, Shaw CC. A-Si:H/CsI(Tl) flat-panel versus computed radiography for chest imaging applications: image quality metrics measurement. Med Phys 31(1):98-110, 1/2004. PMID: 14761026.
16. Rong XJ, Shaw CC, Johnston DA, Lemacks MR, Liu X, Whitman GJ, Dryden MJ, Stephens TW, Thompson SK, Krugh KT, Lai CJ. Microcalcification detectability for four mammographic detectors: flat-panel, CCD, CR, and screen/film). Med Physics 29(9):2052-61, 9/2002. PMID: 12349926.
17. Lemacks MR, Kappadath SC, Shaw CC, Liu X, Whitman GJ. A dual-energy subtraction technique for microcalcification imaging in digital mammography--a signal-to-noise analysis. Med Physics 29(8):1739-51, 8/2002. PMID: 12201421.
18. Rong XJ, Shaw CC, Liu X, Lemacks MR, Thompson SK. Comparison of an amorphous silicon/cesium iodide flat-panel digital chest radiography system with screen/film and computed radiography systems--a contrast-detail phantom study. Medical Physics 28(11):2328-35, 11/2001. PMID: 11764040.
19. Liu X, Shaw C. Regional Improvement of Signal-to-Noise and Contrast-to-Noise Ratios in Dual-Screen CR Chest Imaging - A Phantom Study. Medical Physics 28(6):1080-1092, 6/2001. PMID: 11439477.

Book Chapters

1. Whitman G, Lai C, Liu X, Itani M, Khisty R, Shaw C. Breast computed tomography. In: Digital Mammography: A Practical Approach. Ed(s) Whitman G and Haygood T. Cambridge University Press: Cambridge, United Kingdom, 192, 2013. ISBN: 9780521763721.

Grant & Contract Support

Title: DTS Imaging with a Digitally Addressable X-Ray Source (DAXS)
Funding Source: NIH/NCI
Role: Co-Investigator
Principal Investigator: Chris Shaw, Ph.D.
Duration: 5/1/2010 - 2/28/2015
Title: A Dual Resolution Cone Beam CT System for 3-D Breast Imaging
Funding Source: NIH/NCI
Role: Co-Investigator
Principal Investigator: Chris Shaw, Ph.D.
Duration: 9/1/2007 - 8/31/2012
Title: Optimized Digital Mammography with an a-Se FP Imager
Funding Source: NIH/NCI
Role: Co-Investigator
Principal Investigator: Chris Shaw, Ph.D.
Duration: 6/1/2004 - 5/31/2011

Last updated: 10/20/2014