| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| IDY, SID-JC |
2024-03-08
14:05 |
Online |
online |
[Invited Talk]
Sheet-type Image Sensor with Organic Photodetector for Biomedical Imaging and Sensing
Tomoyuki Yokota, Cheng Dongkai, Takao Someya (Tokyo Univ.) |
We have developed a sheet-type image sensor that enables high-resolution and high-speed reading. This sheet-type image s... [more] |
IDY2024-18
pp.12-16 |
| IST |
2023-06-21
13:10 |
Tokyo |
Tokyo University of Science Morito Memorial Hall |
[Poster Presentation]
Tomographic imaging based on a two-layer model using multiple spatial frequencies
Naoshi Yoneyama, Keiichiro Kagawa (Shizuoka Univ.) |
Because biological tissues have a complex layered structure, quantitative measurement of tissue parameters requires a mu... [more] |
IST2023-20
pp.5-6 |
| IST |
2023-06-21
13:10 |
Tokyo |
Tokyo University of Science Morito Memorial Hall |
[Poster Presentation]
Design of image sensors for the cameras to protect privacy
Tomoki Nakamura, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito (Shizuoka Univ.), Hajime Nagahara (Osaka Univ.) |
In this paper, we propose an image sensor for privacy protection and show its basic configuration. The image sensor outp... [more] |
IST2023-22
pp.11-12 |
| IST |
2023-06-21
14:10 |
Tokyo |
Tokyo University of Science Morito Memorial Hall |
[Poster Presentation]
Applications of multi-tap ToF image sensors for fluorescence lifetime imaging
Ibuki Ando, Kamel Mars, Keita Yasutomi, Shoji Kawahito, Keiichiro Kagawa (Shizuoka Univ.) |
Fluorescence lifetime imaging is a tumor detection method that utilizes the autofluorescence of living cells. This metho... [more] |
IST2023-24
pp.17-18 |
| AIT, 3DMT, OSJ-HODIC |
2022-09-09
15:05 |
Online |
|
See-through screen camera with full color volume HOE
Kazuma Ohara, Saori Takeyama, Masahiro Yamaguchi (Tokyo Tech) |
A transparent screen camera using holographic waveguide and image reconstruction techniques can capture objects in front... [more] |
AIT2022-169 3DMT2022-37
pp.13-16 |
| IST |
2022-06-29
13:30 |
Online |
|
600 MHz operation of charge-domain time-compressive computational CMOS image sensor
Thoriq Ibrahim, Pham Ngoc Anh, Keita Yasutomi, Shoji Kawahito (Shizuoka Univ.), Hajime Nagahara (Osaka Univ.), Keiichiro Kagawa (Shizuoka Univ.) |
In this work, we improved the operation speed of a charge-domain time-compressive ultra-high-speed computational CMOS im... [more] |
IST2022-26
pp.5-8 |
| AIT, IIEEJ, AS, CG-ARTS |
2022-03-08
12:52 |
Online |
Online |
Thermal Synthetic Aperture Image De-fencing by Temperature Compensation
Miyuki Matsuda (Tokai Univ.), Kenichiro Tanaka (Ritsumeikan Univ.), Takuya Funatomi, Yasuhiro Mukaigawa (NAIST), Hiroyuki Kubo (Tokai Univ.) |
Thermal cameras use far-infrared light, which is emitted in response to the temperature of an object, to make measuremen... [more] |
AIT2022-75
pp.145-146 |
| IDY, IEICE-EID, IEE-EDD, SID-JC, IEIJ-SSL [detail] |
2022-01-28
11:30 |
Online |
|
Liquid phase synthesis of near-infrared phosphor Ca2GeO4: Mn5+ for in vivo bioimaging
Yudai Nitta, Hiroto Sanzen, Koutoku Ohmi (Tottori Univ.) |
In our previous studies, Ca2GeO4:Mn5+ has been synthesized as a near-infrared (NIR) phosphor for bioimaging by the solid... [more] |
|
| IST |
2021-06-30
11:00 |
Online |
|
|
SFDI and TRS are non-invasive imaging techniques for optical parameters such as absorption and scattering coefficients o... [more] |
IST2021-32
pp.9-12 |
| IST |
2021-06-30
14:30 |
Online |
|
A CMOS image sensor with multilayer polarizers for highly sensitive polarization modulation detection
Ryoma Okada, Kiyotaka Sasagawa, Makito Haruta, Hironari Takehara (NAIST), Hiroyuki Tashiro (NAIST/Kyushu Univ.), Jun Ohta (NAIST) |
In this study, we fabricated a polarization-analyzing CMOS image sensor for sensitive polarization modulation detection.... [more] |
IST2021-37
pp.29-32 |
| IST |
2021-03-26
16:55 |
Tokyo |
Online |
A 1-inch 17Mpixel 1000fps Block-Controlled Coded-Exposure Back-Illuminated Stacked CMOS Image Sensor for Computational Imaging and Adaptive Dynamic Range Control
Yojiro Tezuka, Tomoki Hirata, Hironobu Murata, Hideaki Matsuda, Shiro Tsunai (Nikon) |
This is a report of a 4k×4k, 2.7μm pixel, back-illuminated stacked CIS with controllable integration time for
each pix... [more] |
IST2021-21
pp.53-56 |
| IEICE-IE, IEICE-ITS, MMS, ME, AIT [detail] |
2021-02-18
15:15 |
Online |
Online |
A study on avoiding phase-retrieval stagnation for ptychography
Ryo Ozawa (Muroran IT), Yosuke Maehara (DOWELL), Asahi Takaoka, Hiroyuki Shioya (Muroran IT) |
Diffractive imaging is a method of reconstructing an image from an observed diffraction pattern, in which a computer sub... [more] |
|
| AIT, 3DMT, OSJ-HODIC |
2020-09-25
15:05 |
Online |
Video Conference |
wavelength-multiplexed phase-shifting incoherent multicolor digital holography
Takayuki Hara (Chiba Univ.), Tatsuki Tahara, Yasuyuki Ichihashi, Ryutaro Oi (NICT), Tomoyoshi Ito (Chiba Univ.) |
We present wavelength-multiplexed phase-shifting incoherent multicolor digital holography, which is a technique that rec... [more] |
AIT2020-173 3DIT2020-14
pp.11-15 |
| IST |
2020-07-01
15:00 |
Online |
Online |
Evaluation of mosaic multilayer interference filter attached on an image sensor for near-infrared color high-speed fundus camera
Masayuki Uemura, Wang Ze, Hironari Takehara (NAIST), Hirofumi Sumi (The Univ. of Tokyo), Hiroyuki Tashiro, Makito Haruta, Kiyotaka Sasagawa, Jun Ohta (NAIST) |
The fundus diagnosis using near-infrared multispectral reduces the patient burden. We fabricated a Fabry-Perot multilaye... [more] |
IST2020-37
pp.19-21 |
| IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2020-01-23
14:10 |
Tottori |
Tottori Univ |
[Poster Presentation]
Mn5+ activated M2AO4 (M = Ca, Sr, Ba, A = Si, Ge) near-infrared phosphors
Shoto Tanaka, Tadashi Ishigaki, Yutaro Zaima, Kohei Matsubara, Yudai Nitta, Koutoku Ohmi (Tottori Univ.) |
M2AO4:Mn5+ (M = Ca, Sr, Ba, A = Si, Ge) phosphors have been synthesized by solid-state reaction method. Their crystallog... [more] |
|
| IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2020-01-24
11:15 |
Tottori |
Tottori Univ |
[Poster Presentation]
Synthesis of Ca6BaP4O17:Mn5+ near-infrared phosphors and their luminescent properties
Kohei Matsubara, Tadashi Ishigaki, Yutarou Zaima, Shoto Tanaka, Yudai Nitta, Koutoku Ohmi (Tottori Univ.) |
癌診断の方法の一つとして蛍光生体イメージングが期待されている．これまでの研究で液相反応法を用いてCa10(PO4)6(OH)2：Mn5+ (HAp：Mn5+) ナノ粒子蛍光体の作製に成功している．しかし，発光強度が非常に弱いため， Caサイ... [more] |
|
| IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2020-01-24
11:20 |
Tottori |
Tottori Univ |
[Poster Presentation]
Characteristics of luminescence and particle shape in M10(PO4)6(OH)2:Mn5+ (M=Ca,Sr,Ba) near-infrared nanophosphors
Yutaro Zaima, Tadashi Ishigaki, Kouhei Matsubara, Shoto Tanaka, Yudai Nitta, Koutoku Ohmi (tottori Univ) |
Recently, we succeeded in synthesizing a near-infrared Ca10(PO4)6(OH)2:Mn5+ (HAp:Mn5+) nanophosphors by liquid phase rea... [more] |
|
| ME |
2019-07-16
10:30 |
Tokyo |
|
High resolution ultrasound imaging based on frequency sweep and array signal processing
Ryoya Kozai, Nguyen Chi Hai, Jing Zhu, Norio Tagawa (Tokyo Metropolitan Univ.) |
Ultrasound imaging is widely used not only for medical applications but also for nondestructive testing and environmenta... [more] |
ME2019-83
pp.1-4 |
| IST |
2019-06-18
14:40 |
Tokyo |
Tokyo University of Sci. Morito Kinenkan |
Measurement of gas concentration distribution in vacuum chamber using high SN ratio absorption imaging
Keigo Takahashi, Yhang Ricardo Sipauba Carvalho da Silva, Naoki Numao, Rihito Kuroda, Yasuyuki Fujihara, Maasa Murata, Hidekazu Ishii, Tatsuo Morimoto, Tomoyuki Suwa, Akinobu Teramoto, Shigetoshi Sugawa (Tohoku Univ.) |
This paper reports gas concentration absorption imaging in a vacuum chamber using a LOFIC CMOS image sensor with high si... [more] |
IST2019-37
pp.11-14 |
| IST |
2019-03-22
09:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Understanding multi-path interference with calibrated and normalized phasor plot in the endoscopic application of TOF image sensors
Keiichiro Kagawa, Ryota Miyagi, Yuta Murakami, Keita Yasutomi, Shoji Kawahito (Shizuoka Univ.) |
Mulipath interference in the endoscopic applications of time-of-flight image sensors was visualized with a phasor approa... [more] |
IST2019-13
pp.7-10 |