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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RECONF, VLD, CPSY, IPSJ-ARC, IPSJ-SLDM [detail] | 2022-01-25 09:30 |
Online | Online | GPU acceleration of algorithm for minimal distance approximate calculation between two objects Masumi Fukuta, Takakazu Kurokawa, Takashi Matsubara, Keisuke Iwai (NDA)  VLD2021-62 CPSY2021-31 RECONF2021-70 |
(To be available after the conference date) [more] | VLD2021-62 CPSY2021-31 RECONF2021-70 pp.73-77 |
| EA, ASJ-H, EMM | 2020-11-20 09:00 |
Online | Online | [Poster Presentation]
Improving wavelet-synchrosqueezing transform with calculating angular frequency using time shift Akira Kakutani, Takashi Matsubara, Keisuke Iwai, Takakazu Kurokawa (NDA) EA2020-21 EMM2020-36 |
Time-frequency analysis is mainly used for analyzing acoustic signals. Short-time Fourier transform by Allen, et al. and... [more] | EA2020-21 EMM2020-36 pp.1-5 |
| IPSJ-SLDM, RECONF, VLD, CPSY, IPSJ-ARC [detail] | 2020-01-24 11:25 |
Kanagawa | Raiosha, Hiyoshi Campus, Keio University | Implementation of high speed rainbow table generation using Keccak hashing algorithm on CUDA Nguyen Dat Thuong, Keisuke Iwai, Takashi Matsubara, Takakazu Kurokawa (NDA) VLD2019-84 CPSY2019-82 RECONF2019-74 |
This paper proposes the implementation of high speed rainbow table generation using Keccak hashing algorithm with the in... [more] | VLD2019-84 CPSY2019-82 RECONF2019-74 pp.181-186 |
| HWS (2nd) |
2019-12-06 16:00 |
Tokyo | Asakusabashi Hulic Conference | [Poster Presentation]
Correlation power analysis and its countermeasure for lightweight ciphers LED and SKINNY implemented in SAKURA-X FPGA Hayato Tanaka, Keisuke Iwai, Takashi Matsubara, Takakazu Kurokawa (NDA) |
[more] | |
| EA, ASJ-H, ASJ-AA | 2018-07-24 13:00 |
Hokkaido | Hokkaido Univ. | [Poster Presentation]
Denoising Method for Underwater Acoustic Signals by Using Hough Transform Yoshihiro Taira, Takashi Matsubara, Keisuke Iwai, Takakazu Kurokawa (NDA) EA2018-11 |
Underwater acoustic signals are used in various fields such as marine environmental measurement, exploration of sea bott... [more] | EA2018-11 pp.59-64 |
| AP | 2017-08-24 10:00 |
Hokkaido | National Institute of Technology, Hakodate College | DOA Estimation for Coprime Arrays Without Knowledge of Source Number Anh-Tuan Nguyen, Takashi Matsubara, Takakazu Kurokawa (NDA) AP2017-69 |
Pal et al. use a coprime array to extend it to a larger virtual ULA, and after spatial smoothing technique is implemente... [more] | AP2017-69 pp.7-12 |
| AP | 2016-12-08 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | High Performance DOA Estimation Method for Copime Arrays and Nested Arrays Anh-Tuan Nguyen, Takashi Matsubara, Takakazu Kurokawa (NDA) AP2016-126 |
In this paper, we consider a coprime array or nested array. Pal et al. have proposed a method to extend these arrays to ... [more] | AP2016-126 pp.17-22 |
| ISEC | 2016-09-02 14:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Implementation of security evaluation function on a Development Environment of Cryptography using GUI Toshihiro Nakamura, Keisuke Iwai, Takashi Matsubara, Takakazu Kurokawa (NDA) ISEC2016-46 |
Security evaluation on cryptography and cryptography development are two sides of the same coin. Security evaluation... [more] |
ISEC2016-46 pp.49-56 |
| AP, SAT, SANE (Joint) |
2016-07-20 14:55 |
Hokkaido | Otaru port marina | High Performance DOA Estimation Method with Coprime Array using Toeplitz Matrix Anh-Tuan Nguyen, Takashi Matsubara, Takakazu Kurokawa (NDA) AP2016-39 |
MUSIC and ESPRIT are high accuracy direction of arrival(DOA) estimation methods using uniform linear array antenna(ULA).... [more] | AP2016-39 pp.13-18 |
| AP, SAT, SANE (Joint) |
2016-07-20 16:20 |
Hokkaido | Otaru port marina | Improvement of RV-MUSIC using Unitary Transformation and Orthogonal Complement Koji Sonoyama, Takashi Matsubara, Takakazu Kurokawa (NDA) AP2016-42 |
Direction-of-arrival (DOA) estimation with an array antenna includes MUSIC and ESPRIT. MUSIC needs big computational com... [more] | AP2016-42 pp.31-36 |
| ISEC | 2016-05-19 10:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | IDS using Discrete Fourier Transform with window functions Yusuke Tsuge, Keisuke Iwai, Hidema Tanaka, Takakazu Kurokawa (NDA) ISEC2016-2 |
An Intrusion Detection System (IDS) is countermeasure against network attack. There are mainly two types of detections; ... [more] | ISEC2016-2 pp.5-11 |
| IT, ISEC, WBS | 2016-03-10 13:40 |
Tokyo | The University of Electro-Communications | Collision-Free Rainbow Table Structure Yuki Tabata, Keisuke Iwai, Hidema Tanaka, Takakazu Kurokawa (NDA) IT2015-114 ISEC2015-73 WBS2015-97 |
Rainbow table is a method to crack the password in high speed from hash values. Collision of password candidates occurs,... [more] | IT2015-114 ISEC2015-73 WBS2015-97 pp.81-88 |
| ISEC | 2015-12-18 13:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Evaluation of authenticated encryptions implemented on FPGA with high-level synthesis Makoto Kotegawa, Keisuke Iwai, Hidema Tanaka, Takakazu Kurokawa (NDA) ISEC2015-55 |
Competition for Authenticated Encryption Security, Applicability, and Robustness (CAESAR) which is a development and eva... [more] | ISEC2015-55 pp.9-16 |
| AP | 2015-12-10 09:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | DOA Estimating Method via Toeplitz Matrices without Information of Source Number Anh-Tuan Nguyen, Koji Sonoyama, Takashi Matsubara, Takakazu Kurokawa (NDA) AP2015-154 |
MUSIC and ESPRIT are high accuracy methods for estimating the direction of arrival of signals using array antenna. These... [more] | AP2015-154 pp.1-6 |
| ISEC | 2015-09-04 10:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Improvement of RainbowCrack Reduction Function Yuki Tabata, Keisuke Iwai, Hidema Tanaka, Takakazu Kurokawa (NDA) ISEC2015-26 |
Rainbow table is a method to crack the password in high speed from hash values. Rainbow table can crack passwords only i... [more] | ISEC2015-26 pp.9-14 |
| ISEC | 2015-09-04 11:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | High speed implementation of Hash function on GPU Nguyen Dat Thuong, Keisuke Iwai, Hidema Tanaka, Takakazu Kurokawa (NDA) ISEC2015-27 |
In order to protect the personal information and high confidential information, encryption technology and hash function ... [more] | ISEC2015-27 pp.15-19 |
| IA, ICSS | 2015-06-11 14:35 |
Fukuoka | Kyushu Institute of Technology Univ. | An Efficient Rainbow Table Compression Yuki Tabata, Keisuke Iwai, Hidema Tanaka, Takakazu Kurokawa (NDA) IA2015-3 ICSS2015-3 |
Rainbow table is a method to crack the password in high speed from hash values. Rainbow table can crack passwords only i... [more] | IA2015-3 ICSS2015-3 pp.9-14 |
| AP, RCS (Joint) |
2014-11-12 12:45 |
Yamagata | Yamagata University, Yonezawa Campus | A Proposal of High Accurate Method for Estimating the Number of Signals Based on Support Vector Machine Anh Tuan Nguyen, Takashi Matsubara, Takakazu Kurokawa (NDA) AP2014-133 |
In the case of multiple correlative signals inping on an array antenna in low SN ratio, the MENSE is effective method fo... [more] | AP2014-133 pp.29-34 |
| ISEC | 2014-09-05 15:35 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | GPU implementation of Ciphers using Schematic to Program Translator(SPT) Masashi Watanabe, Keisuke Iwai, Hidema Tanaka, Takakazu Kurokawa (NDA) ISEC2014-52 |
With the spread of heterogeneous computing, accelerators such as GPU are widely used. However, it is not easy to develop... [more] | ISEC2014-52 pp.35-42 |
| CPSY, DC (Joint) |
2014-07-29 17:50 |
Niigata | Toki Messe, Niigata | Development of Cipher implementation tool using GUI Masashi Watanabe, Keisuke Iwai, Hidema Tanaka, Takakazu Kurokawa (NDA) CPSY2014-31 |
With the spread of heterogeneous computing, accelerators such as GPU are widely used. However, it is not easy to write ... [more] |
CPSY2014-31 pp.125-129 |
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