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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| PN | 2024-03-15 15:50 |
Kagoshima | (Primary: On-site, Secondary: Online) |
Iterative complex-field reconstruction of optical signals using time-domain ptychography Masataka Kinugawa, Masayuki Matsumoto (Wakayama Univ.)  PN2023-91 |
A number of studies have been devoted to retrieval of optical phase information by direct-detection receivers. Such dete... [more] | PN2023-91 pp.121-126 |
| IMQ, IE, MVE, CQ (Joint) [detail] |
2023-03-16 15:15 |
Okinawa | Okinawaken Seinenkaikan (Naha-shi) (Primary: On-site, Secondary: Online) |
A Method for Fast Compression of Sign Bits of DCT Coefficients in Image Coding Fuma Ito, Chihiro Tsutake, Keita Takahashi, Toshiaki Fujii (Nagoya Univ.) IMQ2022-56 IE2022-133 MVE2022-86 |
Compressing the signs of DCT coefficients is an intractable problem in image coding because of their equiprobable charac... [more] | IMQ2022-56 IE2022-133 MVE2022-86 pp.178-181 |
| IE | 2023-02-02 15:30 |
Tokyo | NII (Primary: On-site, Secondary: Online) |
[Invited Talk]
How Can We Compress Signs of DCT Coefficients in Image Coding?
-- A Method Inspired by Phase Retrieval -- Chihiro Tsutake (Nagoya Univ.) IE2022-55 |
Compressing the signs of DCT coefficients is an intractable problem in image coding because of their equiprobable charac... [more] | IE2022-55 p.19 |
| PN, NS, OCS (Joint) |
2021-06-25 13:25 |
Online | Online | Field reconstruction of optical OFDM signals using temporal transport-of-intensity equation Masayuki Matsumoto (Wakayama Univ.) OCS2021-5 |
Optical signal phase reconstruction based on temporal transport-of-intensity equation is a non-iterative complex-field r... [more] | OCS2021-5 pp.20-24 |
| AP | 2021-06-17 15:30 |
Online | Online | [Invited Lecture]
Phase retrieval method and its applications Hiroyuki Arai (Yokohama National Univ.) AP2021-23 |
This reports presents the summary and application of Phase Retrieval (PR) method in which the phase information is recon... [more] | AP2021-23 pp.25-30 |
| IE, ITS, ITE-MMS, ITE-ME, ITE-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) ITS2020-31 IE2020-45 |
Diffractive imaging is a method of reconstructing an image from an observed diffraction pattern, in which a computer sub... [more] | ITS2020-31 IE2020-45 pp.25-30 |
| LQE, OCS, OPE | 2019-05-13 16:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Special Invited Talk]
Phase-retrieving Coherent Detection by a High-speed Photodetector Array Yuki Yoshida, Toshimasa Umezawa, Atsushi Kanno, Naokatsu Yamamoto (NICT) OCS2019-8 OPE2019-8 LQE2019-8 |
A novel coherent detection technique based on phase retrieval is introduced. A 2-D arrayed photodetector with a novel di... [more] | OCS2019-8 OPE2019-8 LQE2019-8 pp.29-34 |
| PN, EMT, OPE, EST, MWP, LQE, IEE-EMT [detail] | 2019-01-17 16:20 |
Osaka | Osaka University Nakanoshima Center | [Invited Talk]
Reconstruction schemes for complex-modulated optical signals using direct detection Masayuki Matsumoto (Wakayama Univ.) PN2018-42 EMT2018-76 OPE2018-151 LQE2018-161 EST2018-89 MWP2018-60 |
A number of studies have been recently devoted to direct detection (DD) schemes for multivalued complex-modulated signal... [more] | PN2018-42 EMT2018-76 OPE2018-151 LQE2018-161 EST2018-89 MWP2018-60 pp.59-63 |
| US | 2016-10-07 16:25 |
Fukushima | College of Eng., Nihon Univ. | Study of Simulation of Optical Propagation for Phase Retrieval in Shadowgraph of Ultrasonic Field Hiroki Hanayama, Takuya Nakamura, Ryo Takagi, Shin Yoshizawa, Shin-ichiro Umemura (Tohoku Univ.) US2016-48 |
Establishment of fast and accurate measurement of ultrasound pressure field leads to the development of medical ultrasou... [more] | US2016-48 pp.23-27 |
| ITS, IE, ITE-AIT, ITE-HI, ITE-ME, ITE-MMS, ITE-CE [detail] | 2016-02-22 11:15 |
Hokkaido | Hokkaido Univ. | Internal analysis of spherical shell structure consisted by phase-retrieved images Daiki Yamamoto, Katsuya Ichihashi, Hiroyuki Shioya (Muroran Inst. of Tech.), Shigeki Hirobayashi (Univ. of Toyama), Kazutoshi Gohara (Hokkaido Univ.) ITS2015-63 IE2015-105 |
Diffractive imaging is to obtain a target object image from its diffraction pattern, and the Fourier phase retrieval is ... [more] | ITS2015-63 IE2015-105 pp.41-46 |
| AP, PEM (2nd) |
2013-12-20 14:15 |
Okinawa | Nobumoto Ohama Memorial Hall (Ishigaki) | Spherical Far-Field Extrapolation by Phase Retrieval Method and Sampling Method about Reduction of Measurement Points Eriko Ohashi, Hiroyuki Arai (YNU) |
This paper presents a method of spherical far-field extrapolation from near-field using phase retrieval method. The sim... [more] | |
| NC, IPSJ-BIO | 2013-06-28 10:30 |
Okinawa | Okinawa Institute of Science and Technology | Optimal pairs of coupling function and STDP window function for auto-associative memory Ryota Miyata, Keita Sato, Toru Aonishi (Tokyo Inst. of Tech.) NC2013-6 |
From the computational viewpoint, Lengyel et al. (2005) derived an optimal auto-associative memory algorithm to store an... [more] | NC2013-6 pp.101-106 |
| NC, MBE (Joint) |
2012-12-12 16:30 |
Aichi | Toyohashi University of Technology | EEG dynamics during semantic unification of simple sentences Shoma Arai, Toshiki Iwabuchi, Hiroaki Mizuhara, Nobuhiko Asakura, Toshio Inui (Kyoto Univ.) NC2012-92 |
Understanding a sentence requires not only the memory retrieval of each constituent of the sentence, such as the nouns a... [more] | NC2012-92 pp.89-94 |
| MI | 2012-01-20 11:25 |
Okinawa | Automatic organs segmentation from non-contrast CT images by using content-based image retrieval Atsuto Watanabe, Xiangrong Zhou, Huayue Chen, Takeshi Hara (Gifu Univ.), Ryujiro Yokoyama, Masayuki Kanematsu (Gifu Univ. Hosp), Hiroaki Hoshi, Hiroshi Fujita (Gifu Univ.) MI2011-150 |
Currently, it is required for automatic extraction of organs from CT. The automatic extraction of organs may require pri... [more] | MI2011-150 pp.407-410 |
|
| ACT (2nd) |
2008-12-01 15:50 |
Kyoto | Doshisha Univ. (Imadegawa campus) | Optimization of aperture-field distribution based on phase retrieval method Shinichiro Kurihara, Hiroyuki Deguchi, Mikio Tsuji (Doshisha Univ.) |
This paper presents directivity synthesis for an aperture antenna based on the phase-retrieval method and also shows sim... [more] | |
| OPE, EMT, MW | 2008-07-24 09:00 |
Hokkaido | Design based on phase-retrieval method for reflectarray antenna Shinichiro Kurihara, Hiroyuki Deguchi, Mikio Tsuji (Doshisha Univ.) MW2008-63 OPE2008-46 |
This paper presents directivity synthesis for an aperture antenna based on the phase-retrieval method and also shows sim... [more] | MW2008-63 OPE2008-46 pp.91-96 |
|
| NC | 2007-01-25 15:00 |
Hokkaido | Noboribetsu Manseikaku(Noboribetsu) | Beam-divergence deconvolution for Fourier iterative phase retrieval method Kota Kawahara, Kazutoshi Gohara (Hokkaido Univ.), Hiroyuki Shioya (Muroran IT) |
Using X-ray or electron beam for a protein structure analysis, intensity can be measured. However,phase can’t be detecte... [more] | NC2006-92 pp.25-29 |
| AP | 2006-08-24 14:25 |
Niigata | Toki Messe(Niigata) | Measurement and evaluation of submillimeter-wave antenna feed system by a phase-retrieval method at 640 GHz Takeshi Manabe, Tomo Fukami (Osaka Pref. Univ.), Toshiyuki Nishibori, Kazuo Mizukoshi (JAXA), Masumichi Seta (Univ. of Tsukuba) AP2006-66 |
A phase-retrieval method is applied to the quasioptical feed system of the offset Cassegrain antenna of the Superconduct... [more] | AP2006-66 pp.51-56 |
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