A5047658240- Advanced Optical Sensing Technologies
- Electromagnetic Simulation and Numerical Methods
- Dental Radiography and Imaging
- CCD and CMOS Imaging Sensors
- Near-Field Optical Microscopy
- Superconducting Materials and Applications
- bioluminescence and chemiluminescence research
- Biosensors and Analytical Detection
- Language Development and Disorders
- Magnetic properties of thin films
- Magnetic Properties and Applications
- Ocular and Laser Science Research
- Context-Aware Activity Recognition Systems
- Marine and Coastal Research
- Digital Radiography and Breast Imaging
- Speech and dialogue systems
- Advanced Fluorescence Microscopy Techniques
- Advanced Radiotherapy Techniques
- Healthcare Systems and Technology
- IoT-based Smart Home Systems
- Force Microscopy Techniques and Applications
- Antenna Design and Analysis
- Augmented Reality Applications
- Artificial Intelligence in Healthcare
- Nursing Roles and Practices
Osaka University
2019
Nagasaki University
2018
Saga University
2016-2017
Hiroshima University
2011
Kyushu Institute of Technology
2010
Nihon University
2008-2009
Shibaura Institute of Technology
2006
Yoshino Kogyosho (Japan)
2003
Kumamoto University Hospital
2003
Sumitomo Electric Industries (United States)
2003
A <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$320\times 240$ </tex-math></inline-formula> back-illuminated (BI) time-of-flight CMOS image sensor with 10- notation="LaTeX">$\mu \text{m}$ current-assisted photonic demodulator (CAPD) pixels has been developed. The BI pixel structure maximizes fill factor, allows for flexible transistor positioning, and makes the light path independent of metal layers....
A 1280×960 floating diffusion storage global shutter image sensor is implemented in a 3D stacked back illuminated indirect time of flight (iToF). The sensor, achieves 18,000e- full well capacity and 32% quantum efficiency (QE) with pyramid surface for diffraction (PSD) structure [1], utilizing 3.5µm pixel. Low power consumption also achieved, due to low leakage current the iToF pixel resistance Cu-Cu connection metal wiring. These device architectures enable high resolution wide dynamic...
A 320×240 back-illuminated Time-of-Flight CMOS image sensor with 10μm CAPD pixels has been developed. The (BI) pixel structure maximizes the fill factor, allows for flexible transistor position and makes light path independent of metal layer. In addition, pixel, which is optimized high speed modulation, results in 80% modulation contrast at 100MHz frequency.
By exploring the feasibility of medical imaging applicable to periodontal disease, we have designed a MapReduce-like deep learning model for severity assessment by estimating pocket depth from oral images. However, typically relies on supervised training with large annotated dataset, and data often faces an insufficiency in quantity variety. Furthermore, obtaining patient annotating such experts still remain challenge. To overcome data, propose random cropping GAN-based augmentation methods...
This research applied thermally assisted magnetic recording to analyze both temperature distributions and time transitions of isolated columnar structured media. It was clarified how a higher thermal resolution could be achieved using media compared with continuous film With the application plasmon antenna, bit-patterned writing more than 10 times that conventional Temperatures adjacent columns strongly depend on arrangement shape antenna.
Thermally assisted magnetic recording (TAMR) is a promising technology to achieve density of over several Tbit/inch2. We analyzed the use plasmon antenna as well effect particle medium with Finite-Difference Time-Domain (FDTD) method. Using antenna, we dependence flying height (FH) on power intensity (E2). FH distance between and antenna. also full width half maximum (FWHM) near-field optics. investigated influence different compositions media resonance. Three were Au, Pt, Co. For metallic...
When a magnetically shielded room (MSR) to shield leakage fluxes of electric machines is designed by using magnetic field analysis, it difficult represent the an machine accurately. In this paper, method modeling simple solid model with multiple magnetization vectors proposed. method, are determined inverse technique real flux distribution. First, proposed explained and verified 2-D linear magnetostatic one-phase transformer model. Then, applied 3-D effect selected measured surface on...
In this paper, a method of modeling the leakage magnetic field electric machines using simple solid model composed blocks with multiple magnetizations is proposed. It shown that 3-dimensional can be reproduced by block only 3 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> in numerical investigation on transformer. Moreover, it experimentally confirmed cubicle for voltage conversion also proposed method.
A high sensitivity CMOS bio photosensor applicable to a bioluminescent assay was developed with 0.18µm image sensor (CIS) process. The consisting of and PWM 20bit A/D converter achieved for detecting extremely low bioluminescence due large photodiode area, long exposure time the other noise reduction techniques. chip has 2×4 array on 2.45×2.45mm2 die. Experimental results showed can detect below 10-5lux luminescence at room temperature power consumption is 32µW.
Mobile devices have a function of character recognition in recent years. Due to the acquire text information, it is possible use mobile as way geographical information system, image search and classification engines, etc. However, difficult recognize characters natural scenes, because there too much these scenes. In earlier work, binarization-based method extract signboard from those scenes has been reported. There disadvantage that this technique depends on colors background. study, we...
Antenna for the microwave CT mammography is under development. Matching between FDTD simulation and measurement investigated on antipodal Vivaldi antenna that formed a 1.6 mm thick FR4 printed-circuit-board substrate. The result suggests can be matched by considering mesh size, frequency dispersion of permittivity, removal reflections.
In recent years, The angiograyhy is one of the most important method for diagnosis and treatment vascular disease development surgical field. single technique not satisfactory to obtain movement circulation, therefore sevial angiography visualize succesionally circulation. We disigned serial two cassette changing apparatus. features as follows : 1) apparatus simple constraction, automatic function economical manufacture. 2) Can be used only vessels lower extremities, but also upper breast...
The purpose of this study is to obtain substantial input regarding the support function at time a doctor gives prescription, in order strengthen prescription check function. We designed injection agent composition analysis system not only for agents used infusion but also all which have been adopted hospital. As result, can easily refer such values as total volume, calories, amount electrolytes and amino acid composition, etc., after they inputted agent. Informational unitary management...