Stephen P Morgan

Summary

Affiliation: University of Nottingham
Country: UK

Publications

  1. pmc Laser doppler blood flow imaging using a CMOS imaging sensor with on-chip signal processing
    Diwei He
    Electrical Systems and Optics Research Division, Faculty of Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, UK
    Sensors (Basel) 13:12632-47. 2013
  2. ncbi request reprint Surface-reflection elimination in polarization imaging of superficial tissue
    Stephen P Morgan
    School of Electrical and Electronic Engineering, University of Nottingham, Nottingham NG7 2RD, UK
    Opt Lett 28:114-6. 2003
  3. ncbi request reprint Characterization of layered scattering media using polarized light measurements and neural networks
    Kai Y Yong
    University of Nottingham, School of Electrical and Electronic Engineering, University Park, Nottingham, NG7 2RD, UK
    J Biomed Opt 8:504-11. 2003
  4. ncbi request reprint Detection performance of a diffusive wave phased array
    Stephen P Morgan
    School of Electrical and Electronic Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, UK
    Appl Opt 43:2071-8. 2004
  5. doi request reprint Can new optical techniques for in vivo imaging and flow cytometry of the microcirculation benefit sickle cell disease research?
    Stephen P Morgan
    Electrical Systems and Optics Research Division, Faculty of Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, United Kingdom
    Cytometry A 79:766-74. 2011
  6. ncbi request reprint Rotating orthogonal polarization imaging
    Stephen P Morgan
    School of Electrical and Electronic Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, UK
    Opt Lett 33:1503-5. 2008
  7. doi request reprint Image-based characterization of foamed polymeric tissue scaffolds
    Melissa L Mather
    School of Electrical and Electronic Engineering, The University of Nottingham, University Park, Nottingham NG7 2RD, UK
    Biomed Mater 3:015011. 2008
  8. ncbi request reprint Experimental and theoretical evaluation of rotating orthogonal polarization imaging
    Qun Zhu
    University of Nottingham, Electrical Systems and Optics Research Division, Faculty of Engineering, University Park, Nottingham NG7 2RD, United Kingdom
    J Biomed Opt 14:034006. 2009
  9. doi request reprint Time-lapsed imaging for in-process evaluation of supercritical fluid processing of tissue engineering scaffolds
    Melissa L Mather
    Department of Electrical and Electronic Engineering, The University of Nottingham, University Park, Nottingham, UK
    Biotechnol Prog 25:1176-83. 2009
  10. doi request reprint Low resource processing algorithms for laser Doppler blood flow imaging
    Hoang C Nguyen
    Electrical Systems and Optics Research Division, Faculty of Engineering, The University of Nottingham, University Park, Nottingham, United Kingdom
    Med Eng Phys 33:720-9. 2011

Collaborators

Detail Information

Publications21

  1. pmc Laser doppler blood flow imaging using a CMOS imaging sensor with on-chip signal processing
    Diwei He
    Electrical Systems and Optics Research Division, Faculty of Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, UK
    Sensors (Basel) 13:12632-47. 2013
    ..Images showing blood flow changes with arterial occlusion and an inflammatory response to a histamine skin-prick demonstrate that the sensor array is capable of detecting blood flow signals from tissue. ..
  2. ncbi request reprint Surface-reflection elimination in polarization imaging of superficial tissue
    Stephen P Morgan
    School of Electrical and Electronic Engineering, University of Nottingham, Nottingham NG7 2RD, UK
    Opt Lett 28:114-6. 2003
    ..A method is demonstrated that combines images obtained with linearly and circularly polarized light to produce a polarization-gated image that is free from surface reflections and does not require optically flat plates or matching fluid...
  3. ncbi request reprint Characterization of layered scattering media using polarized light measurements and neural networks
    Kai Y Yong
    University of Nottingham, School of Electrical and Electronic Engineering, University Park, Nottingham, NG7 2RD, UK
    J Biomed Opt 8:504-11. 2003
    ..Prior knowledge of the tissue under investigation is also beneficial because errors are reduced if the range of absorption or thickness is restricted...
  4. ncbi request reprint Detection performance of a diffusive wave phased array
    Stephen P Morgan
    School of Electrical and Electronic Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, UK
    Appl Opt 43:2071-8. 2004
    ..However, the best performance is obtained by using the amplitude response of a single source system. The major benefit of a phased array system is therefore the rejection of common systematic noise...
  5. doi request reprint Can new optical techniques for in vivo imaging and flow cytometry of the microcirculation benefit sickle cell disease research?
    Stephen P Morgan
    Electrical Systems and Optics Research Division, Faculty of Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, United Kingdom
    Cytometry A 79:766-74. 2011
    ..New techniques for imaging the microcirculation and their potential uses in understanding sickle cell disease are discussed...
  6. ncbi request reprint Rotating orthogonal polarization imaging
    Stephen P Morgan
    School of Electrical and Electronic Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, UK
    Opt Lett 33:1503-5. 2008
    ..Results on tissue phantoms demonstrate that polarization sensitive measurements of a test target can be made up to a depth of 12 mean free paths within a scattering medium. Preliminary images of bovine tendon are also demonstrated...
  7. doi request reprint Image-based characterization of foamed polymeric tissue scaffolds
    Melissa L Mather
    School of Electrical and Electronic Engineering, The University of Nottingham, University Park, Nottingham NG7 2RD, UK
    Biomed Mater 3:015011. 2008
    ....
  8. ncbi request reprint Experimental and theoretical evaluation of rotating orthogonal polarization imaging
    Qun Zhu
    University of Nottingham, Electrical Systems and Optics Research Division, Faculty of Engineering, University Park, Nottingham NG7 2RD, United Kingdom
    J Biomed Opt 14:034006. 2009
    ..The technique is sensitive to the polarization properties of the target up to a depth of 17 mean free paths. Preliminary images of bovine tendon, lamb tendon, chicken breast, and human skin are also demonstrated...
  9. doi request reprint Time-lapsed imaging for in-process evaluation of supercritical fluid processing of tissue engineering scaffolds
    Melissa L Mather
    Department of Electrical and Electronic Engineering, The University of Nottingham, University Park, Nottingham, UK
    Biotechnol Prog 25:1176-83. 2009
    ..It is concluded that time-lapsed imaging in combination with image processing is a convenient and powerful tool to provide insight into the scaffold fabrication process...
  10. doi request reprint Low resource processing algorithms for laser Doppler blood flow imaging
    Hoang C Nguyen
    Electrical Systems and Optics Research Division, Faculty of Engineering, The University of Nottingham, University Park, Nottingham, United Kingdom
    Med Eng Phys 33:720-9. 2011
    ..Compared to the reference standard the error in the flow calculation is 1.3% for the short length Fourier transform algorithm and 0.7% for the algorithm based on the infinite impulse response filter...
  11. doi request reprint Application of a maximum likelihood algorithm to ultrasound modulated optical tomography
    Nam T Huynh
    University of Nottingham, Electrical Systems and Optics Research Division, Faculty of Engineering Nottingham, NG7 2RD, United Kingdom
    J Biomed Opt 17:026014. 2012
    ..Experimental data using 5 cm thick tissue phantoms (scattering coefficient μ(s) = 6.5 cm(-1), anisotropy factor g=0.93) demonstrate that the axial resolution is 160 μm and the lateral resolution is 600 μm using a 10 MHz transducer...
  12. ncbi request reprint Laser Doppler blood flow complementary metal oxide semiconductor imaging sensor with analog on-chip processing
    Quan Gu
    School of Electrical and Electronic Engineering, University of Nottingham, University Park, Nottingham, UK
    Appl Opt 47:2061-9. 2008
    ..Preliminary blood flow results on a finger before and after occlusion demonstrate that the sensor array provides the potential for a system that can be scaled to a larger number of pixels for blood flow imaging...
  13. doi request reprint Effect of object size and acoustic wavelength on pulsed ultrasound modulated fluorescence signals
    Nam T Huynh
    University of Nottingham, Electrical Systems and Optics Research Division, Faculty of Engineering, Nottingham, United Kingdom
    J Biomed Opt 17:076008. 2012
    ..The approach is also verified by some simple experiments in a nonscattering gel and using a theoretical model...
  14. doi request reprint A user-centred approach to requirements elicitation in medical device development: a case study from an industry perspective
    Jennifer L Martin
    Electrical Systems and Optics Research Division, Faculty of Engineering, The University of Nottingham, Nottingham NG7 2RD, UK
    Appl Ergon 43:184-90. 2012
    ..The developers reported that this focused approach to early requirements elicitation would result in an improved product, reduce the time to market, and save the time and cost of producing and evaluating an inappropriate prototype...
  15. pmc User needs elicitation via analytic hierarchy process (AHP). A case study on a Computed Tomography (CT) scanner
    Leandro Pecchia
    Electrical Systems and Optics Research Division, Faculty of Engineering, University of Nottingham, NG7 2RD, Nottingham, UK
    BMC Med Inform Decis Mak 13:2. 2013
    ..This paper describes the application of AHP to elicit user needs for a new CT scanner for use in a public hospital...
  16. ncbi request reprint Light path-length distributions within the retina
    Paul I Rodmell
    University of Nottingham, Faculty of Engineering, Division of Electrical Systems and Optics Research, University Park, Nottingham NG7 2RD, United Kingdom
    J Biomed Opt 19:36008. 2014
    ..The method could be practically implemented using an offset-pinhole confocal imaging system or structured light illumination...
  17. doi request reprint Ultrasonic monitoring of drug loaded Pluronic F127 micellular hydrogel phase behaviour
    Mario Farrugia
    Applied Optics Group, Electrical Systems and Optics Research Division, University of Nottingham, Nottingham NG7 2RD, UK
    Mater Sci Eng C Mater Biol Appl 34:280-6. 2014
    ..Further this work demonstrates for the first time to our knowledge ultrasound characterisation studies on drug loaded Pluronics. ..
  18. pmc Engaging with economic evaluation methods: insights from small and medium enterprises in the UK medical devices industry after training workshops
    Michael P Craven
    University of Nottingham, Faculty of Engineering, Tower Building, University Park, Nottingham, NG7 2RD, UK
    Health Res Policy Syst 10:29. 2012
    ....
  19. doi request reprint Pulse inversion ultrasound modulated optical tomography
    Haowen Ruan
    Electrical Systems and Optics Research Division, Faculty of Engineering, University of Nottingham, Nottingham, UK
    Opt Lett 37:1658-60. 2012
    ..26 mm, fundamental=4.02 mm, second harmonic=2.43 mm) in line scans of optically absorbing objects embedded in a scattering medium (thickness=16 mm, scattering coefficient=2.3 mm(-1), anisotropy factor=0.938)...
  20. ncbi request reprint Ultrasonic monitoring of foamed polymeric tissue scaffold fabrication
    Melissa L Mather
    School of Electrical and Electronic Engineering, University of Nottingham, University Park, Nottingham, Nottinghamshire NG7 2RD, UK
    J Mater Sci Mater Med 19:3071-80. 2008
    ..Thus, this work demonstrates the feasibility of ultrasonic pulse-echo reflectometry to non-invasively study supercritical scaffold fabrication on-line providing a greater understanding of the scaffold fabrication process...
  21. ncbi request reprint Meeting the needs of monitoring in tissue engineering
    Melissa L Mather
    Applied Optics Group, School of Electrical and Electronic Engineering, University of Nottingham, Nottingham, UK
    Regen Med 2:145-60. 2007
    ..This review argues that principles of design, measurement and process monitoring from the physical sciences are needed to move tissue engineering forward, and that much of the technology needed to realize this is already available...