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

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
reaction time
absorptivity
retarding
Scattering
Tissue
2018
3 Citations (Scopus)

Effects of digital phase-conjugate light intensity on time-reversal imaging through animal tissue

Toda, S., Kato, Y., Kudo, N. & Shimizu, K., 2018 Apr 1, In : Biomedical Optics Express. 9, 4, p. 1570-1581 12 p., #315650.

Research output: Contribution to journalArticle

luminous intensity
animals
Light
Transillumination
modulation

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
2 Citations (Scopus)

Inter-Method Reliability of Pulse Volume Related Measures Derived Using Finger-Photoplethysmography: Across Sensor Positions and Light Intensities

Matsumura, K., Shimizu, K., Rolfe, P., Kakimoto, M. & Yamakoshi, T., 2017 Jul 13, (Accepted/In press) In : Journal of Psychophysiology.

Research output: Contribution to journalArticle

Photoplethysmography
Fingers
Light
Heart Rate
Uncertainty

Optical imaging of arteriovenous fistula for clinical application: Clarification of transillumination image of blood vessel by image-subtraction

Kamiyama, H., Kitama, M., Shimizu, H. O., Yamashita, M., Yokoyama, T., Kojima, Y. & Shimizu, K., 2017, In : Transactions of Japanese Society for Medical and Biological Engineering. 55, Proc, p. 593-594 2 p.

Research output: Contribution to journalArticle

Transillumination
Blood vessels
Blood
Imaging techniques
Wavelength
5 Citations (Scopus)

Side-scattered finger-photoplethysmography: Experimental investigations toward practical noninvasive measurement of blood glucose

Yamakoshi, Y., Matsumura, K., Yamakoshi, T., Lee, J., Rolfe, P., Kato, Y., Shimizu, K. & Yamakoshi, K. I., 2017 Jun 1, In : Journal of Biomedical Optics. 22, 6, 067001.

Research output: Contribution to journalArticle

Photoplethysmography
glucose
blood
Glucose
Blood Glucose
2016
1 Citation (Scopus)

Assessment of visual space recognition of patients with unilateral spatial neglect and visual field defects using a head mounted display system

Sugihara, S., Tanaka, T., Miyasaka, T., Izumi, T. & Shimizu, K., 2016 Feb 1, In : Journal of Physical Therapy Science. 28, 2, p. 332-338 7 p.

Research output: Contribution to journalArticle

Visual Fields
Head
Eye Movements
Recognition (Psychology)
5 Citations (Scopus)

A study of the effect of visual depth information on upper limb movement by use of measurement of smoothness

Kato, N., Tanaka, T., Sugihara, S., Shimizu, K. & Kudo, N., 2016 Apr 1, In : Journal of Physical Therapy Science. 28, 4, p. 1134-1141 8 p.

Research output: Contribution to journalArticle

Upper Extremity
Three-Dimensional Imaging
Stroke
Healthy Volunteers
Arm

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

Experimental study for scattering suppression effect using digital phase-conjugate optics

Toda, S., Kato, Y., Kudo, N. & Shimizu, K., 2016, In : Transactions of Japanese Society for Medical and Biological Engineering. 54, PROC, p. 1-2 2 p.

Research output: Contribution to journalArticle

Optics
Scattering
Transillumination
Light propagation
Animals

Fundamental study on property change of human blood in ELF electric field exposure III-detection of aggregability change in in vitro exposure

Kanemaki, M., Shimizu, H. O., Kitama, M., Yamashita, M., Miura, H. & Shimizu, K., 2016, In : Transactions of Japanese Society for Medical and Biological Engineering. 54, PROC, p. 1-2 2 p.

Research output: Contribution to journalArticle

Blood
Electric fields
Induced currents
Current density
Cells

Practical technique to quantify small, dense low-density lipoprotein cholesterol using dynamic light scattering

Trirongjitmoah, S., Iinaga, K., Sakurai, T., Chiba, H., Sriyudthsak, M. & Shimizu, K., 2016 Apr 1, In : Optical Review. 23, 2, p. 265-272 8 p.

Research output: Contribution to journalArticle

lipoproteins
cholesterol
light scattering
blood serum
estimates
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
7 Citations (Scopus)

Development and evaluation of a new telerehabilitation system based on VR technology using multisensory feedback for patients with stroke

Kato, N., Tanaka, T., Sugihara, S. & Shimizu, K., 2015 Oct 30, In : Journal of Physical Therapy Science. 27, 10, p. 3185-3190 6 p.

Research output: Contribution to journalArticle

Stroke
Technology
Upper Extremity
Lower Extremity
Healthy Volunteers
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
Transillumination
Optical transfer function
Imaging techniques
Wavelength
Deconvolution
Transillumination
Optical transfer function
Imaging techniques
Dialysis
Blood vessels
Transillumination
Wave propagation
Scattering
Deconvolution
Lighting
Model structures
Time measurement
Error analysis
Scattering
Imaging techniques

Fundamental study for optical imaging of arteriovenous fistula: 2 Detection of blood vessel diameter change using point spread function

Enomoto, T., Kitama, M., Shimizu, H., Yamashita, M., Arisawa, J., Tanaka, Y. & Shimizu, K., 2014 Aug 17, In : Transactions of Japanese Society for Medical and Biological Engineering. 52, p. O-121-O-122

Research output: Contribution to journalComment/debate

Transillumination
Optical transfer function
Blood vessels
Deconvolution
Blood

New attempt to estimate absorption distribution by time-resolved measurement of backscattered light

Oba, K., Yokoyama, N., Namita, T., Kato, Y. & Shimizu, K., 2014 Aug 17, In : Transactions of Japanese Society for Medical and Biological Engineering. 52, p. O-146-O-147

Research output: Contribution to journalArticle

Time measurement
Scattering
Experiments
2 Citations (Scopus)

Optical Biotelemetry

Shimizu, K., 2014 Aug 25, Handbook of Biomedical Telemetry. Wiley Blackwell, p. 301-329 29 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Biotelemetry
Telemetry
Telemetering
Technology
Optical Devices

Scattering suppression in cylindrical turbid medium for transcutaneous fluorescent imaging through animal tissue

Sasaki, H., Ogawa, D., Namita, T., Kato, Y. & Shimizu, K., 2014 Aug 17, In : Transactions of Japanese Society for Medical and Biological Engineering. 52, p. O-148-O-149

Research output: Contribution to journalArticle

Animals
Scattering
Tissue
Imaging techniques
Optical transfer function

Study on human physiological change in ELF electric field exposure II -Relationship to blood flow change by vibration stimulation

Ishikawa, T., Shimizu, H. O., Kitama, M., Yamashita, M., Arisawa, J. & Shimizu, K., 2014 Aug 17, In : Transactions of Japanese Society for Medical and Biological Engineering. 52, p. O-36-O-37

Research output: Contribution to journalComment/debate

Blood
Electric fields
Flowmeters
Electrodes
Lasers
5 Citations (Scopus)

Three-dimensional transillumination image reconstruction for small animal with new scattering suppression technique

Tran, T. N., Yamamoto, K., Namita, T., Kato, Y. & Shimizu, K., 2014 May 1, In : Biomedical Optics Express. 5, 5, p. 1321-1335 15 p.

Research output: Contribution to journalArticle

Transillumination
Computer-Assisted Image Processing
Three-Dimensional Imaging
image reconstruction
animals
Visualization
Ultrasonics
Acoustic fields
Free radicals
Transducers
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

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
8 Citations (Scopus)

Measurement of single low-density lipoprotein particles by atomic force microscopy

Sakurai, T., Takeda, S., Takahashi, J. Y., Takahashi, Y., Wada, N., Trirongjitmoah, S., Namita, T., Jin, S., Ikuta, A., Furumaki, H., Hui, S. P., Fuda, H., Fujikawa, M., Shimizu, K. & Chiba, H., 2013, In : Annals of Clinical Biochemistry. 50, 6, p. 564-570 7 p.

Research output: Contribution to journalArticle

Atomic Force Microscopy
LDL Lipoproteins
Atomic force microscopy
Particle Size
Electron microscopy
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
15 Citations (Scopus)

Analysis of postural adjustment responses to perturbation stimulus by surface tilts in the feet-together position

Maeda, Y., Tanaka, T., Nakajima, Y. & Shimizu, K., 2011, In : Journal of Medical and Biological Engineering. 31, 4, p. 301-305 5 p.

Research output: Contribution to journalArticle

Foot
Electromyography
Muscle
Ankle
Muscles
1 Citation (Scopus)
Accidental Falls
Hand Strength
Pressure
Aptitude
Discriminant Analysis
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