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

Filter
Article
2019
reaction time
absorptivity
retarding
Scattering
Tissue
2018
4 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
2017
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

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
2015
8 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
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

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

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
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
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
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
2010
9 Citations (Scopus)

Fraction estimation of small, dense LDL using autocorrelation function of dynamic light scattering

Trirongjitmoah, S., Sakurai, T., Iinaga, K., Chiba, H. & Shimizu, K., 2010 Mar 15, In : Optics Express. 18, 6, p. 6315-6326 12 p.

Research output: Contribution to journalArticle

lipoproteins
autocorrelation
light scattering
preprocessing
estimates
26 Citations (Scopus)

Measurement of lipoprotein particle sizes using dynamic light scattering

Sakurai, T., Trirongjitmoah, S., Nishibata, Y., Namita, T., Tsuji, M., Hui, S. P., Jin, S., Shimizu, K. & Chiba, H., 2010 Sep, In : Annals of Clinical Biochemistry. 47, 5, p. 476-481 6 p.

Research output: Contribution to journalArticle

Dynamic light scattering
Particle Size
Lipoproteins
Particle size
Ultracentrifugation
2009
10 Citations (Scopus)

CT imaging of diffuse medium by time-resolved measurement of backscattered light

Namita, T., Kato, Y. & Shimizu, K., 2009 Apr 1, In : Applied Optics. 48, 10

Research output: Contribution to journalArticle

Time measurement
Inverse problems
time measurement
Imaging techniques
Tissue
9 Citations (Scopus)

CW transillumination imaging by extracting weakly scattered light from strongly diffused light

Takagi, K., Kakinuma, H., Kato, Y. & Shimizu, K., 2009 May 11, In : Optics Express. 17, 10, p. 8332-8342 11 p.

Research output: Contribution to journalArticle

chickens
scattering
propagation
evaluation
cross sections
10 Citations (Scopus)

Extraction of near-axis scattered light for transillumination imaging

Takagi, K., Kato, Y. & Shimizu, K., 2009 Apr 1, In : Applied Optics. 48, 10

Research output: Contribution to journalArticle

Transillumination
diffusers
Imaging techniques
scattering
Scattering
2005
32 Citations (Scopus)

Improvement of transcutaneous fluorescent images with a depth-dependent point-spread function

Shimizu, K., Tochio, K. & Kato, Y., 2005 Apr 10, In : Applied Optics. 44, 11, p. 2154-2161 8 p.

Research output: Contribution to journalArticle

Optical transfer function
point spread functions
Rats
Optical properties
Scattering
2004
10 Citations (Scopus)
Artificial Immune System
Immune system
Veins
Fingers
Template
2003
6 Citations (Scopus)

Idiotypic network model for feature extraction in pattern recognition - Effect of diffusion of antibody

Shimooka, T. & Shimizu, K., 2003, In : Unknown Journal. 2774 PART 2, p. 511-518 8 p.

Research output: Contribution to journalArticle

antibodies
Antibody
Antibodies
pattern recognition
Network Model
2002
3 Citations (Scopus)

Cross-sectional imaging of absorption distribution in biological tissue using backscattered light

Awata, A., Kato, Y. & Shimizu, K., 2002 Jan, In : IEICE Transactions on Information and Systems. E85-D, 1, p. 124-132 9 p.

Research output: Contribution to journalArticle

Tissue
Impulse response
Imaging techniques
Ultrashort pulses
Image reconstruction
2000

ELF electrostimulation on macrophages: Possibility of immunomodulation by electric field

Shimooka, T., Ushida, K., Nakata, I., Ohsaki, K. & Shimizu, K., 2000, In : Unknown Journal. 2, p. 1408-1411 4 p.

Research output: Contribution to journalArticle

macrophages
Macrophages
stimulation
Electric fields
electric fields
17 Citations (Scopus)

Fundamental study on near-axis scattered light and its application to optical computed tomography

Shimizu, K. & Kitama, M., 2000 Sep, In : Optical Review. 7, 5, p. 383-388 6 p.

Research output: Contribution to journalArticle

tomography
kidneys
liver
light beams
organs
16 Citations (Scopus)

Location system for dementia wandering

Shimizu, K., Kawamura, K. & Yamamoto, K., 2000, In : Unknown Journal. 2, p. 1556-1559 4 p.

Research output: Contribution to journalArticle

Global positioning system
transponders
suburban areas
receivers
Mobile phones
1 Citation (Scopus)

Transillumination imaging of physiological functions by NIR light

Taka, Y., Kato, Y. & Shimizu, K., 2000, In : Unknown Journal. 1, p. 771-774 4 p.

Research output: Contribution to journalArticle

Transillumination
Infrared radiation
blood volume
Imaging techniques
Blood
1999
10 Citations (Scopus)

Experimental analysis of the human perception threshold of a DC electric field

Odagiri-Shimizu, H. & Shimizu, K., 1999, In : Medical and Biological Engineering and Computing. 37, 6, p. 727-732 6 p.

Research output: Contribution to journalArticle

Atmospheric humidity
Electric fields
Hair
Humidity
Psychology

Fundamental study on emission characteristics of near-axis scattered light

Kidooka, S., Kitama, M., Misawa, K., Arisawa, J. & Shimizu, K., 1999, In : IEEJ Transactions on Sensors and Micromachines. 119, 6, p. 352-353 2 p.

Research output: Contribution to journalArticle

Time measurement
Scattering
Tissue
Imaging techniques
Monte Carlo simulation
85 Citations (Scopus)

Telemedicine by mobile communication

Shimizu, K., 1999 Jul, In : IEEE Engineering in Medicine and Biology Magazine. 18, 4, p. 32-44 13 p.

Research output: Contribution to journalArticle

Telemedicine
Communication
Communications Media
Mobile Applications
Ambulances
1997
27 Citations (Scopus)

Noninvasive optical imaging of the subarachnoid space and cerebrospinal fluid pathways based on near-infrared fluorescence

Sakatani, K., Kashiwasake-Jibu, M., Taka, Y., Wang, S., Zuo, H., Yamamoto, K. & Shimizu, K., 1997 Nov, In : Journal of Neurosurgery. 87, 5, p. 738-745 8 p.

Research output: Contribution to journalArticle

Subarachnoid Space
Indocyanine Green
Optical Imaging
Cerebrospinal Fluid
Fluorescence

Suppression of scattering effect of optical CT image using point spread function

Onodera, Y., Kato, Y. & Shimizu, K., 1997, In : Japanese Journal of Medical Electronics and Biological Engineering. 35, 4, p. 400-406 7 p.

Research output: Contribution to journalArticle

Optical transfer function
Scattering
Deconvolution
Convolution
Animals
1995
6 Citations (Scopus)

Application of biotelemetry technique for advanced emergency radio system

Shimizu, K., Matsuda, S., Saito, I., Yamamoto, K. & Hatsuda, T., 1995 Jun, In : IEICE Transactions on Communications. E78-B, 6, p. 818-825 8 p.

Research output: Contribution to journalArticle

Biotelemetry
Ambulances
Radio systems
Emergency rooms
Radio links
1994
3 Citations (Scopus)

Biological effects of ELF electric fields - historical review on bioengineering studies in Japan

Matsumoto, G. & Shimizu, K., 1994 Jun, In : IEICE Transactions on Communications. E77-B, 6, p. 684-692 9 p.

Research output: Contribution to journalArticle

Electric fields
Animals
Ions
Telemetering
Electric sparks
3 Citations (Scopus)
Boundary element method
Electric lines
Electric space charge
Ions
Electric potential
5 Citations (Scopus)

Fundamental analysis on perception mechanism of ELF electric field

Odagiri, H., Shimizu, K. & Matsumoto, G., 1994 Jun, In : IEICE Transactions on Communications. E77-B, 6, p. 719-723 5 p.

Research output: Contribution to journalArticle

Electric fields
Permittivity
Atmospheric humidity
Air
Experiments

Measurement and analysis of human perception-threshold of strong electric field

Odagiri, H., Shimizu, K. & Matsumoto, G., 1994, In : Unknown Journal. p. 234-237 4 p.

Research output: Contribution to journalArticle

thresholds (perception)
hair
Electric fields
electric fields
extremely low frequencies

Noninvasive measurement of physiological functions in a living body by transillumination

Shimizu, K., Kitama, M., Mouri, M. & Yamamoto, K., 1994, In : Unknown Journal. 2, p. 982-985 4 p.

Research output: Contribution to journalArticle

Transillumination
brain
Brain
brain circulation
blood volume
3 Citations (Scopus)

Optical biotelemetry in moving vehicles

Shimizu, K., Matsuda, S., Miyanaga, T. & Yamamoto, K., 1994, In : Unknown Journal. 2, p. 579-582 4 p.

Research output: Contribution to journalArticle

biotelemetry
ambulances
Biotelemetry
telemedicine
light transmission
52 Citations (Scopus)

Telemedicine Using Mobile Satellite Communication

Murakami, H., Shimizu, K., Yamamoto, K., Mikami, T., Hoshimiya, N. & Kondo, K., 1994, In : IEEE Transactions on Biomedical Engineering. 41, 5, p. 488-497 10 p.

Research output: Contribution to journalArticle

Telemedicine
Communication satellites
Channel capacity
Blood pressure
Signal interference

Threshold evaluation of electric field perception using optical telemetry technique

Yamashita, M., Shimizu, K. & Matsumoto, G., 1994, In : Unknown Journal. p. 230-233 4 p.

Research output: Contribution to journalArticle

telemetry
blood vessels
Blood vessels
Telemetering
peripheral circulation
1993
2 Citations (Scopus)

Multiplexing technique of audio and medical signals for emergency radio

Matsuda, S., Shimizu, K., Yamamoto, K. & Hatsuda, T., 1993, In : Japanese Journal of Medical Electronics and Biological Engineering. 31, 1, p. 74-78 5 p.

Research output: Contribution to journalArticle

Ambulances
Multiplexing
Frequency division multiplexing
Radio transmission
Telemetering