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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| NC, MBE (Joint) |
2024-03-11 10:50 |
Tokyo | The Univ. of Tokyo (Primary: On-site, Secondary: Online) |
Spatiotemporal Prediction and Anomaly Detection in Polarimetric Synthetic Aperture Radar Using Quaternion Reservoir Computing Kitoshi Kawai, Bungo Konishi, Ryo Natsuaki, Akira Hirose (UTokyo.)  NC2023-44 |
Synthetic aperture radar (SAR) is a remote sensing technology that uses microwaves to generate high-resolution images of... [more] | NC2023-44 pp.7-12 |
| SAT, KOSST | 2023-10-11 15:35 |
Overseas | Central Hotel Marianne（Korea, Busan） (Primary: On-site, Secondary: Online) |
A Complex Vector-Scalar Ring theory Osamu Ichiyoshi (HNfB21C) SAT2023-57 |
The quaternion is an expansion of complex number to three dimensions of imaginary numbers. It is a useful tool in calcul... [more] | SAT2023-57 pp.50-55 |
| PRMU, IBISML, IPSJ-CVIM [detail] | 2023-03-03 10:05 |
Hokkaido | Future University Hakodate (Primary: On-site, Secondary: Online) |
High Accuracy Alignment of 3D Point Clouds Obtained from Multiple View Point Images for Automatic Wire Harness Placement Environments Erika Hata, Eiji Fukuzawa, Jun Ohya (Waseda Univ.) PRMU2022-103 IBISML2022-110 |
In automatic wire harness routing environments, we are exploring methods for generating 3D maps with high accuracies by ... [more] | PRMU2022-103 IBISML2022-110 pp.232-237 |
| SANE | 2023-01-20 10:25 |
Tokyo | (Primary: On-site, Secondary: Online) |
* Yasuhiro Okaniwa, Fang Shang, Naoto Kishi (UEC) SANE2022-91 |
Observation of buildings by polarimetric SAR is one of the research topics that have attracted much attention because of... [more] | SANE2022-91 pp.18-21 |
| SIP, BioX, IE, MI, ITE-IST, ITE-ME [detail] | 2022-05-20 14:00 |
Kumamoto | Kumamoto University Kurokami Campus (Primary: On-site, Secondary: Online) |
Hadamard-Coded Supervised Discrete Hashing on Quaternion Domain Manabu Sueyasu (The Univ. Kitakyushu), Seisuke Kyochi (Kogakuin Univ.), Gou Koutaki (Kumamoto Univ.) SIP2022-23 BioX2022-23 IE2022-23 MI2022-23 |
This paper extends Hadamard-coded supervised discrete hashing on real domain (termed as $mathbb{R}$-HCSDH) using a real-... [more] | SIP2022-23 BioX2022-23 IE2022-23 MI2022-23 pp.117-122 |
| MBE, NC (Joint) |
2022-03-02 15:45 |
Online | Online | NC2021-57 |
We propose a polarimetric remote sensing system to classify daily movements of humans such as walking and standing. We e... [more] | NC2021-57 pp.56-61 |
| EMT, IEE-EMT | 2021-11-05 11:15 |
Online | Online | Quaternion convolutional neural networks for PolSAR land classification Yuya Matsumoto, Ryo Natsuaki, Akira Hirose (UTokyo) EMT2021-43 |
We propose a quaternion convolutional neural network (QCNN) for Polarimetric synthetic aperture radar (PolSAR) land cla... [more] |
EMT2021-43 pp.76-81 |
| SANE | 2021-08-26 15:50 |
Online | Online | A Quaternion Vector Theory Osamu Ichiyoshi (HNB21C) SANE2021-26 |
In order for the flight control of such flying objects as space rockets or satellites a continuous conversion between th... [more] | SANE2021-26 pp.22-25 |
| NC, MBE (Joint) |
2021-03-05 09:30 |
Online | Online | Quaternion neural networks for channel prediction including polarization states Haotian Chen, Ryo Natsuaki, Akira Hirose (Tokyo Univ.) NC2020-64 |
Fading channel compensation requires channel prediction because channels change in time. In this paper, we ... [more] | NC2020-64 pp.121-126 |
| EMT, IEE-EMT | 2019-11-07 15:15 |
Saga | Hotel Syunkeiya | Land classification using unsupervised quaternion neural network with neighbor pixel information Jungmin Song, Ryo Natusaki, Akira Hirose (The Univ. of Tokyo) EMT2019-57 |
(To be available after the conference date) [more] | EMT2019-57 pp.117-122 |
| MBE, NC (Joint) |
2018-03-14 10:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Hierarchical quaternion neural networks with self-organizing codebook for unsupervised PolSAR land classification Hyunsoo Kim, Akira Hirose (Tokyo Univ.) NC2017-88 |
We propose a self-organizing codebook-based hierarchical polarization feature vector generation to realize an unsupervis... [more] | NC2017-88 pp.121-126 |
| EMT, IEE-EMT | 2017-11-09 10:50 |
Yamagata | Tendo Hotel (Tendo, Yamagata) | Flexible Unsupervised PolSAR Land Classification System Based on Quaternion Neural Networks Hyunsoo Kim, Akira Hirose (Tokyo Univ.) EMT2017-48 |
We propose a flexible unsupervised PolSAR land classification system based on quaternion neural networks. The existing ... [more] | EMT2017-48 pp.37-42 |
| SANE | 2017-10-05 14:20 |
Tokyo | Maison franco - japonaise (Tokyo) | Unsupervised Adaptive PolSAR Land Classification System Using Quaternion Neural Networks Hyunsoo Kim, Akira Hirose (Univ. of Tokyo) SANE2017-57 |
We propose an unsupervised adaptive PolSAR land classification system using quaternion neural networks. Most of the exis... [more] | SANE2017-57 pp.73-78 |
| MBE, NC (Joint) |
2017-03-13 10:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Singular-point compensation in Polarimetric-Interferometric Synthetic aperture radar systems Kohei Oyama, Akira Hirose (Tokyo Univ.) NC2016-79 |
In interferogram obtained by interferometric synthetic aperture radar, there are many singular points (SPs) which make i... [more] | NC2016-79 pp.91-96 |
| MBE, NC (Joint) |
2016-03-22 13:45 |
Tokyo | Tamagawa University | Quaternion neural networks to estimate and predict polarization states in multipath environment Maoki Hikosaka, Tianben Ding, Akira Hirose (Univ. Tokyo) NC2015-73 |
Channel compensation often employs pre-equalization and/or adaptive diversity schemes. Such techniques require channel p... [more] | NC2015-73 pp.25-30 |
| ET | 2015-03-14 10:35 |
Tokushima | Shikoku Univ. Plaza | Similarity Evaluation Methods of Sports Form by Using Depth Sensor Masataka Kaneko, Hiroaki Kudo, Tetsuya Matsumoto (Nagoya Univ.), Yoshinori Takeuchi (Daido Univ.), Noboru Ohnishi (Nagoya Univ.) ET2014-109 |
This paper shows similarity evaluation methods for detecting the motion difference between individuals to teach sports f... [more] | ET2014-109 pp.137-142 |
| MBE, NC (Joint) |
2013-03-13 10:40 |
Tokyo | Tamagawa University | Sufficient conditions for neural networks not to have critical points based on the hierarchical structure Tohru Nitta (AIST) NC2012-135 |
In this paper, we attempt to implement neural networks (NN) that do not have the critical points based on the hierarchic... [more] | NC2012-135 pp.7-12 |
| NC | 2012-07-30 13:45 |
Shiga | Ritsumeikan Univ. College of Information Science and Engineering | On local analytic activation function in quaternionic hopfield neural network Teijiro Isokawa, Haruhiko Nishimura, Nobuyuki Matsui (Univ. Hyogo) NC2012-18 |
It is difficult to introduce appropriate activation functions to neural networks in the hypercomplex domains, and few fu... [more] | NC2012-18 pp.25-30 |
| NC | 2011-07-25 10:20 |
Hyogo | Graduate School of Engineering, Kobe University | Stability Analysis on Multistate Hopfield Neural Networks Based on Commutative Quaternion Teijiro Isokawa, Haruhiko Nishimura, Nobuyuki Matsui (Univ. Hyogo) NC2011-20 |
Two types of multistate Hopfield neural networks are explored in this paper. These networks are based on commutative qu... [more] |
NC2011-20 pp.1-6 |
| ICSS | 2011-03-25 11:10 |
Tokyo | Suspended | Security Level Evaluation of Quaternion Based Hash Function Tomohiro Suto, Tomoyuki Nagase (Hirosaki Unv.) ICSS2010-58 |
One of the security features for designing hash functions is collision resistance. It means that it is difficult to find... [more] | ICSS2010-58 pp.11-16 |
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