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2 results on '"Taishi Takasawa"'

1. An ultra-high-speed compressive multi-aperture CMOS image sensor

Author

Taishi Takasawa, Keita Yasutomi, Min-Woong Seo, Futa Mochizuki, Shoji Kawahito, and Keiichiro Kagawa

Subjects
Ultra high speed, CMOS sensor, Materials science, Pixel, Aperture, business.industry, ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION, Astrophysics::Instrumentation and Methods for Astrophysics, Optics, Three dimensional imaging, Computer Science::Computer Vision and Pattern Recognition, Temporal resolution, Electronic engineering, Physics::Accelerator Physics, Image sensor, business, Image resolution, ComputingMethodologies_COMPUTERGRAPHICS
Abstract

To achieve subnano-second temporal resolution imaging, we have proposed a compressive multi-aperture high-speed image sensor. We designed a CMOS image sensor with 5×3 apertures and 64×54 pixels aperture. Temporal resolution of 10ns was confirmed experimentally.

Published
2014

2. Stimulated Raman Scattering Imager Using Lateral Electric Field Charge Modulator

Author

Keiichiro Kagawa, Beak Guseul, Shoji Kawahito, Taishi Takasawa, Keita Yasutomi, Kamel Mars, Hang Sang Man, and Mamoru Hashimoto

Subjects
Chemical imaging, Materials science, Pixel, Physics::Instrumentation and Detectors, business.industry, Image contrast, symbols.namesake, Optics, Modulation, Computer Science::Computer Vision and Pattern Recognition, Electric field, symbols, Raman spectroscopy, business, Raman scattering, High dynamic range
Abstract

Stimulated Raman scattering (SRS) imaging provides background-free chemical imaging with improved image contrast. Since the generated Raman signal is very low to be readout, a high-speed modulation lock-in pixel using differential charge accumulation and offset canceling to achieve high dynamic range is used.

Published
2013

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