Shinpei Okawa

Summary

Affiliation: University of Electro-Communications
Country: Japan

Publications

  1. doi request reprint Reconstruction of fluorescence/bioluminescence sources in biological medium with spatial filter
    Shinpei Okawa
    Depatrment of Mechanical Engineering and Intelligent Systems, The University of Electro Communications, 1 5 1 Choufugaoka, Choufu, Tokyo 182 8585, Japan
    Opt Express 18:13151-72. 2010
  2. doi request reprint Reduction of Poisson noise in measured time-resolved data for time-domain diffuse optical tomography
    S Okawa
    Department of Mechanical Engineering and Intelligent Systems, The University of Electro Communications, Tokyo, Japan
    Med Biol Eng Comput 50:69-78. 2012
  3. pmc Phantom and mouse experiments of time-domain fluorescence tomography using total light approach
    Shinpei Okawa
    Department of Mechanical Engineering and Intelligent Systems, University of Electro Communications, 1 5 1 Chofuga oka, Chofu, Tokyo 182 8585, Japan Currently with the Department of Medical Engineering, National Defense Medical College, 3 2 Namiki, Tokorozawa, Saitama 359 8513, Japan
    Biomed Opt Express 4:635-51. 2013
  4. doi request reprint Reduction of image artifacts induced by change in the optode coupling in time-resolved diffuse optical tomography
    Ryo Fukuzawa
    University of Electro Communications, Department of Mechanical Engineering and Intelligent Systems, Chofu, Tokyo, Japan
    J Biomed Opt 16:116022. 2011
  5. doi request reprint 3D analysis of intracortical microvasculature during chronic hypoxia in mouse brains
    Kouichi Yoshihara
    Department of Mechanical Engineering and Intelligent Systems, University of Electro Communications, Chofu, Tokyo, Japan
    Adv Exp Med Biol 765:357-63. 2013
  6. ncbi request reprint Total light approach of time-domain fluorescence diffuse optical tomography
    Andhi Marjono
    Department of Mechanical Engineering and Intelligent Systems, University of Electro Communications, Chofu, Tokyo, Japan
    Opt Express 16:15268-85. 2008

Collaborators

Detail Information

Publications7

  1. doi request reprint Reconstruction of fluorescence/bioluminescence sources in biological medium with spatial filter
    Shinpei Okawa
    Depatrment of Mechanical Engineering and Intelligent Systems, The University of Electro Communications, 1 5 1 Choufugaoka, Choufu, Tokyo 182 8585, Japan
    Opt Express 18:13151-72. 2010
    ..Finally the criteria for practical use of the method are quantitatively presented by the simulations for 2D and 3D geometries...
  2. doi request reprint Reduction of Poisson noise in measured time-resolved data for time-domain diffuse optical tomography
    S Okawa
    Department of Mechanical Engineering and Intelligent Systems, The University of Electro Communications, Tokyo, Japan
    Med Biol Eng Comput 50:69-78. 2012
    ..The variance of the reconstructed absorption coefficients decreased by 22% in a phantom experiment. The quality of DOT, which can be applied to breast cancer screening etc., is improved by the proposed noise reduction...
  3. pmc Phantom and mouse experiments of time-domain fluorescence tomography using total light approach
    Shinpei Okawa
    Department of Mechanical Engineering and Intelligent Systems, University of Electro Communications, 1 5 1 Chofuga oka, Chofu, Tokyo 182 8585, Japan Currently with the Department of Medical Engineering, National Defense Medical College, 3 2 Namiki, Tokorozawa, Saitama 359 8513, Japan
    Biomed Opt Express 4:635-51. 2013
    ..The effectiveness of the total light approach was demonstrated by the phantom and mouse experiments...
  4. doi request reprint Reduction of image artifacts induced by change in the optode coupling in time-resolved diffuse optical tomography
    Ryo Fukuzawa
    University of Electro Communications, Department of Mechanical Engineering and Intelligent Systems, Chofu, Tokyo, Japan
    J Biomed Opt 16:116022. 2011
    ..Moreover, numerical simulations, phantom experiments, and in vivo studies have validated this algorithm...
  5. doi request reprint 3D analysis of intracortical microvasculature during chronic hypoxia in mouse brains
    Kouichi Yoshihara
    Department of Mechanical Engineering and Intelligent Systems, University of Electro Communications, Chofu, Tokyo, Japan
    Adv Exp Med Biol 765:357-63. 2013
    ..2 fold increases) showed relatively small diameter changes compared with the parenchymal capillaries. These findings indicate that parenchymal capillaries are the major site responding to the oxygen environment during chronic hypoxia...
  6. ncbi request reprint Total light approach of time-domain fluorescence diffuse optical tomography
    Andhi Marjono
    Department of Mechanical Engineering and Intelligent Systems, University of Electro Communications, Chofu, Tokyo, Japan
    Opt Express 16:15268-85. 2008
    ..The reconstructed images of fluorophore concentration show good quantitativeness and spatial reproducibility. By use of the total light approach, computation is performed much faster than the conventional ones...