• 641 Citations
  • 12 h-Index
1977 …2019
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Research Output 1977 2019

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Conference contribution
2019

Improvement of scattering suppression effect of time-reversal propagation using digital phase-conjugate light

Toda, S., Kato, Y., Kudo, N. & Shimizu, K., 2019 Jan 1, Adaptive Optics and Wavefront Control for Biological Systems V. Ji, N., Bifano, T. G. & Gigan, S. (eds.). SPIE, 1088613. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; vol. 10886).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

retarding
Scattering
Light
propagation
scattering
2018

Fundamental Study for Optical Transillumination Imaging of Arteriovenous Fistula - System Integration into Practical Compact Device for Bedside Application

Kamiyama, H., Kitama, M., Yamashita, M., Shimizu, H. O., Kojima, Y., Okuyama, G., Kikuchi, A. & Shimizu, K., 2018 Dec 31, 2018 Progress In Electromagnetics Research Symposium, PIERS-Toyama 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-August. p. 308-310 3 p. 8598005

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transillumination
Dialysis
Imaging techniques
Printed circuit boards
Blood vessels
2017

Fundamental study for scattering suppression in biological tissue using digital phase-conjugate light with intensity modulation

Toda, S., Kato, Y., Kudo, N. & Shimizu, K., 2017 Jan 1, Biomedical Imaging and Sensing Conference. SPIE, Vol. 10251. 102510B

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Biological Tissue
Animals
Modulation
Transillumination
Scattering
2016

Biological effect of ELF electric field in blood aggregability

Kanemaki, M., Shimizu, H. O., Kitama, M., Yamashita, M., Miura, H. & Shimizu, K., 2016 Nov 3, 2016 Progress In Electromagnetics Research Symposium, PIERS 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1115-1118 4 p. 7734591

Research output: Chapter in Book/Report/Conference proceedingConference contribution

extremely low frequencies
biological effects
blood
Blood
Electric fields
2 Citations (Scopus)

Trial operation of a cloud service-based three-dimensional virtual reality tele-rehabilitation system for stroke patients

Kato, N., Tanaka, T., Sugihara, S., Shimizu, K. & Kudo, N., 2016 Oct 3, ICCSE 2016 - 11th International Conference on Computer Science and Education. Institute of Electrical and Electronics Engineers Inc., p. 285-290 6 p. 7581595

Research output: Chapter in Book/Report/Conference proceedingConference contribution

stroke
virtual reality
Patient rehabilitation
Virtual reality
rehabilitation
2015

Analysis for nonlinear inversion technique developed to estimate depth-distribution of absorption by spatially resolved backscattering measurement

Nishida, K., Namita, T., Kato, Y. & Shimizu, K., 2015, Optical Tomography and Spectroscopy of Tissue XI. SPIE, Vol. 9319. 93191X

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Backscattering
Photons
backscattering
inversions
Light
2014

3D reconstruction of internal structure of animal body using near-infrared light

Tran, T. N., Yamamoto, K., Namita, T., Kato, Y. & Shimizu, K., 2014, Biomedical Applications of Light Scattering VIII. SPIE, Vol. 8952. 89521A

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Animal Structures
Transillumination
animals
Animals
Infrared radiation
1 Citation (Scopus)

Analysis of body hair movement in ELF electric field exposure - For mechanism of seasonal change in perception threshold

Shimizu, H. O. & Shimizu, K., 2014 Dec 23, EMC 2014/Tokyo - 2014 International Symposium on Electromagnetic CompatibiIity, Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2014-December. p. 162-165 4 p. 6997121

Research output: Chapter in Book/Report/Conference proceedingConference contribution

thresholds (perception)
hair
Electric fields
electric fields
Atmospheric humidity
2013
1 Citation (Scopus)

Application of fluorescent PSF for 3D reconstruction of absorbing structure using slab transillumination images

Tran, T. N., Namita, T., Kato, Y. & Shimizu, K., 2013, 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2013. p. 2644-2647 4 p. 6610083

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transillumination
Optical transfer function
Scattering
Imaging techniques
Light

Application of transillumination imaging to injection assist system

Shimizu, K., Tobisawa, N., Nghia, T. T., Namita, T. & Kato, Y., 2013, 4th International Conference on Biomedical Engineering in Vietnam. Vol. 40 IFMBE. p. 13-16 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transillumination
Blood
Infrared radiation
Imaging techniques
Meats

Assessment of visual space recognition in patients with unilateral spatial neglect using head mounted display (HMD) system: Case study with left unilateral spatial neglect

Sugihara, S., Tanaka, T., Miyasaka, T., Izumi, T. & Shimizu, K., 2013, 2013 IEEE/SICE International Symposium on System Integration, SII 2013. IEEE Computer Society, p. 712-716 5 p. 6776681

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Display devices
Eye movements
Angular velocity
Motion analysis
1 Citation (Scopus)

Assessment of visual space recognition in patients with visual field defects using head mounted display (HMD) system: Case study with severe visual field defect

Sugihara, S., Tanaka, T., Miyasaka, T., Izumi, T. & Shimizu, K., 2013, 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2013. p. 6929-6932 4 p. 6611151

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Eye movements
Eye Movements
Visual Fields
Display devices
Head

Attempt for noninvasive evaluation of in vivo triglyceride in blood

Iinaga, K., Namita, T., Sakurai, T., Chiba, H. & Shimizu, K., 2013, 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2013. p. 1214-1217 4 p. 6609725

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Triglycerides
Blood
Hyperlipidemias
Meals
Scattering

Depth estimation and image improvement of fluorescent objects in scattering medium with unknown optical parameters

Xia, J., Namita, T., Kato, Y. & Shimizu, K., 2013, 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2013. p. 2648-2651 4 p. 6610084

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Computer Simulation
Scattering
Light
Light sources
Imaging techniques

Development of vital-sign telemetry system for long-term ambulatory monitoring of autonomic nerve activity

Shimizu, K., 2013, 2013 7th International Symposium on Medical Information and Communication Technology, ISMICT 2013. p. 173-177 5 p. 6521724

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Autonomic Pathways
Ambulatory Monitoring
Telemetry
Vital Signs
Telemetering
1 Citation (Scopus)

Estimation of scattering coefficient in CW reflectance measurement for noninvasive triglyceride evaluation

Iinaga, K., Namita, T., Sakurai, T., Chiba, H. & Shimizu, K., 2013, 2013 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2013. 6600633

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Reflectometers
scattering coefficients
human body
blood
Triglycerides

Feasibility study for 3D reconstruction of internal structure of animal body using near-infrared light

Nghia, T. T., Namita, T., Kato, Y. & Shimizu, K., 2013, 4th International Conference on Biomedical Engineering in Vietnam. Vol. 40 IFMBE. p. 22-24 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transillumination
Animals
Infrared radiation
Blood vessels
Digital cameras

Feasibility study for optical BAN

Akiyama, J., Seki, D., Namita, T., Kato, Y. & Shimizu, K., 2013, 2013 7th International Symposium on Medical Information and Communication Technology, ISMICT 2013. p. 14-17 4 p. 6521690

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Feasibility Studies
Data communication systems
Hand
Bandwidth
Light

Fundamental study for optical BAN

Shimizu, K., Namita, T. & Kato, Y., 2013, Wireless Mobile Communication and Healthcare - 3rd International Conference MobiHealth 2012, Revised Selected Papers. Vol. 61. p. 173-178 6 p. (Lecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering, LNICST; vol. 61).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Data communication systems
Impulse response
Scattering
Tissue
Bandwidth
1 Citation (Scopus)

New nonlinear inversion technique for depth distribution of absorption using spatially resolved backscattering measurement

Nishida, K., Namita, T., Kato, Y. & Shimizu, K., 2013, Optical Tomography and Spectroscopy of Tissue X. Vol. 8578. 85782X

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Backscattering
backscattering
absorptivity
Photons
inversions

New reconstruction technique for 3 dimensional structure in shallow layer of turbid medium using optical transillumination images - Attempt for reconstruction with limited view angle

Matsuura, T., Namita, T., Kato, Y. & Shimizu, K., 2013, 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2013. p. 1795-1798 4 p. 6609870

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transillumination
Computer-Assisted Image Processing
Light
Three-Dimensional Imaging
Animals

Theoretical analysis of body hair movement in ELF electric field exposure in different environmental conditions

Iida, K., Shimizu, H. O. & Shimizu, K., 2013, 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2013. p. 4573-4576 4 p. 6610565

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric fields
Humidity
Safety
Equations of motion
Atmospheric humidity
2011
3 Citations (Scopus)

Injection assist system with surface and transillumination images

Tobisawa, N., Namita, T., Kato, Y. & Shimizu, K., 2011, 5th International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2011. 5780365

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transillumination
Forearm
Blood Vessels
Light
Injections

New technique to estimate non-absorbing temporal point spread function for diffuse optical tomography using backscattered light

Namita, T., Otani, M., Kato, Y. & Shimizu, K., 2011, Conference on Lasers and Electro-Optics/Pacific Rim, CLEOPR 2011. p. 701-703 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical tomography
Optical transfer function
point spread functions
Time measurement
tomography
2 Citations (Scopus)

Reconstruction of three-dimensional structure in turbid medium by scattering suppression

Shimano, M., Namita, T., Kato, Y. & Shimizu, K., 2011, 2011 Symposium on Photonics and Optoelectronics, SOPO 2011. 5780548

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transillumination
Scattering
Imaging techniques
Experiments

Reliable scattering coefficient estimation against absorption inhomogeneity by time-resolved measurement of backscattered light

Namita, T., Kawashima, M., Kato, Y. & Shimizu, K., 2011, Conference on Lasers and Electro-Optics/Pacific Rim, CLEOPR 2011. p. 1696-1698 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

scattering coefficients
Time measurement
Error analysis
inhomogeneity
time measurement
2010
6 Citations (Scopus)

Microscopic visualization of high-frequency ultrasound fields using a newmethod of Schlieren photography

Kudo, N., Sanbonmatsu, Y. & Shimizu, K., 2010, 2010 IEEE International Ultrasonics Symposium, IUS 2010. p. 829-832 4 p. 5935599

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Schlieren photography
transducers
optics
CCD cameras
polymethyl methacrylate
2009

CW detection of weakly scattered light for transillumination imaging of thick body part

Takagi, K., Kakinuma, H., Kato, Y. & Shimizu, K., 2009, 3rd International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2009. 5162568

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transillumination
Human Body
Imaging techniques
Light
Scattering
2008

CT imaging of biological tissue using backscattered light

Namita, T., Kato, Y. & Shimizu, K., 2008, Biomedical Optics, BIOMED 2008.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

animals
Animals
Tissue
Imaging techniques
simulation
2007

Analysis of physiological changes in human caused by local exposure of ELF electric field

Yamashita, M., Ohsaki, K. & Shimizu, K., 2007, 7th International Symposium on Electromagnetic Compatibility and Electromagnetic Ecology the Proceedings, EMCECO 2007. p. 307-310 4 p. 4371719

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Skin
Electric fields
Blood
Temperature
Experiments
2006

CW detection of near-axis scattered light for transillumination imaging

Takagi, K., Kato, Y. & Shimizu, K., 2006, Biomedical Topical Meeting, BIO 2006. Optical Society of America

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transillumination
Light propagation
Scattering
Imaging techniques
light scattering
2005

Analysis of body hair movement in ELF electric field exposure

Shimizu, H. O. & Shimizu, K., 2005, Proceedings of the 2005 27th Annual International Conference of the Engineering in Medicine and Biology Society, IEEE-EMBS 2005. Vol. 7 VOLS. p. 4263-4266 4 p. 1615406

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric fields
2 Citations (Scopus)

Transcutaneous fluorescent imaging with a depth-dependent point spread function

Shimizu, K., Tochio, K. & Kato, Y., 2005, Proceedings of the 2005 27th Annual International Conference of the Engineering in Medicine and Biology Society, IEEE-EMBS 2005. Vol. 7 VOLS. p. 3141-3144 4 p. 1617141

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical transfer function
Imaging techniques
Animals
Rats
Scattering

Validity test of depth-dependent PSF for transcutaneous fluorescent imaging

Shimizu, K., Koizumi, R., Takagi, K. & Kato, Y., 2005, Pacific Rim Conference on Lasers and Electro-Optics, CLEO/Pacific Rim 2005. Vol. 2005. p. 662-663 2 p. 1569540

Research output: Chapter in Book/Report/Conference proceedingConference contribution

retarding
scattering
2004

Derivation of PSF from diffusion equation for transcutaneous fluorescent imaging

Shimizu, K., Koizumi, R., Tochio, K. & Kato, Y., 2004, Second Asian and Pacific Rim Symposium on Biophotonics - Proceedings, APBP 2004. p. 121-122 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical transfer function
Imaging techniques
Rats
2003

Cross-sectional imaging of absorption distribution using backscattered light

Akiyama, K., Kato, Y. & Shimizu, K., 2003, CLEO/Pacific Rim 2003 - 5th Pacific Rim Conference on Lasers and Electro-Optics: Photonics Lights Innovation, from Nano-Structures and Devices to Systems and Networks, Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2. p. 466 1 p. 1277016

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Imaging techniques
Time measurement
Light absorption
Animals
Scattering

Development of user-friendly software to visualize ELF electric field exposed to human body

Shimizu, K., Doge, F. & Ohsaki, K., 2003, Proceedings - Asia-Pacific Conference on Environmental Electromagnetics, CEEM 2003. Institute of Electrical and Electronics Engineers Inc., p. 122-125 4 p. 1282259

Research output: Chapter in Book/Report/Conference proceedingConference contribution

human body
Electric fields
computer programs
biological effects
electric fields
2 Citations (Scopus)

Evaluation of hair displacement in ELF electric field exposure

Shimizu, H. O. & Shimizu, K., 2003, Proceedings - Asia-Pacific Conference on Environmental Electromagnetics, CEEM 2003. Institute of Electrical and Electronics Engineers Inc., p. 115-117 3 p. 1282257

Research output: Chapter in Book/Report/Conference proceedingConference contribution

hair
Electric fields
biological effects
electric fields
evaluation

Evaluation of personal identification system by transillumination imaging of a finger

Wang, X., Sushita, K. & Shimizu, K., 2003, APBME 2003 - IEEE EMBS Asian-Pacific Conference on Biomedical Engineering 2003. Institute of Electrical and Electronics Engineers Inc., p. 306-307 2 p. 1302706

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transillumination
Identification (control systems)
Imaging techniques
Blood vessels
2001

Cross-sectional imaging of diffuse medium using backscattered light - Development of new algorithm for reconstruction

Horie, H., Kato, Y. & Shimizu, K., 2001, Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest. Vol. 1.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

linear equations
point spread functions
noise measurement
absorptivity
time measurement

Quantitative imaging of diffuse medium using near-axis scattered light

Sato, F., Kato, Y., Kitama, M. & Shimizu, K., 2001, Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest. Vol. 1.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

absorptivity
tomography
time measurement
propagation
detectors
1999

Attempt to improve imaging through random media

Matsunaga, Y. & Shimizu, K., 1999, Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest. IEEE, Vol. 4. p. 1303-1304 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

visibility
scattering
imaging techniques

Feasibility test to detect near-axis scattered light

Kitama, M., Kidooka, S., Misawa, K., Arisawa, J. & Shimizu, K., 1999, Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest. IEEE, Vol. 4. p. 1309-1310 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

optical density
simulation

Functional imaging of animal body by laser transillumination

Shimizu, K., Taka, Y., Sakatani, K. & Kato, Y., 1999, Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest. IEEE, Vol. 4. p. 1235-1236 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

blood volume
rats
brain
animals
illumination

Suppression of scattering effect using frequency-distance relation in optical CT reconstruction

Onodera, Y., Kato, Y. & Shimizu, K., 1999, Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest. IEEE, Vol. 4. p. 1305-1306 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

retarding
point spread functions
scattering
1998

Improvement of visibility in scattering random media

Shimizu, K., Matsunaga, Y. & Kato, Y., 1998, International Geoscience and Remote Sensing Symposium (IGARSS). Anon (ed.). IEEE, Vol. 4. p. 2092-2094 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Visibility
visibility
Transillumination
scattering
Scattering

Reconstruction of absorption distribution in diffuse medium using backscattered light

Awata, A., Kato, Y. & Shimizu, K., 1998, International Geoscience and Remote Sensing Symposium (IGARSS). Anon (ed.). IEEE, Vol. 1. p. 36-38 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

computer simulation
tomography
Tomography
Sampling
Computer simulation
1997

Functional imaging of animal body by laser transillumination

Taka, Y., Shimizu, K. & Yamamoto, K., 1997, Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest. IEEE, p. 278-279 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

animals
lasers
blood volume
abdomen
oxygenation
2 Citations (Scopus)

Suppression of scattering effect in optical CT reconstruction

Onodera, Y., Kato, Y. & Shimizu, K., 1997, Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest. IEEE, p. 244 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

point spread functions
computerized simulation
retarding
scattering
light scattering
1994

Noninvasive measurement of physiological functions in a living body by transillumination

Shimizu, K., Kitama, M., Mouri, M. & Yamamoto, K., 1994 Jan 1, Conference Proceedings - 10th Anniv., IMTC 1994: Advanced Technologies in I and M. 1994 IEEE Instrumentation and Measurement Technology Conference. Institute of Electrical and Electronics Engineers Inc., p. 982-985 4 p. 351941. (Conference Proceedings - 10th Anniv., IMTC 1994: Advanced Technologies in I and M. 1994 IEEE Instrumentation and Measurement Technology Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transillumination
brain
Brain
brain circulation
blood volume