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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 28  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
NLP 2022-08-02
16:20
Online Online Esimation of Propagation Delay and Doppler Frequency based on Time-Domain and Frequency-Domain Spread Spectrum Signal.
Yutaka Jitsumatsu (Tokyo Tech.) NLP2022-38
In Direct Sequence Spread Spectrum (DSSS) communications, a symbol interval is divided into chip intervals, and a pseudo... [more] NLP2022-38
pp.44-49
IT 2022-07-21
14:05
Okayama Okayama University of Science
(Primary: On-site, Secondary: Online)
New algorithms for computing the correct decoding probability exponent for lossy source coding
Yutaka Jitsumatsu (Tokyo Tech.), Yasutada Oohama (UEC) IT2022-17
In a 1976 paper, Arimoto proposed an algorithm for computing the error exponent and the correct decoding probability exp... [more] IT2022-17
pp.10-11
SIP, BioX, IE, MI, ITE-IST, ITE-ME [detail] 2022-05-19
09:20
Kumamoto Kumamoto University Kurokami Campus
(Primary: On-site, Secondary: Online)
A sequence design for a Phase-Coded Pulse radar using Discrete Prolate Spheroidal Sequences
Yutaka Jitsumatsu (Tokyo Tech.) SIP2022-2 BioX2022-2 IE2022-2 MI2022-2
We study the design of signals for phase-coded pulse radar so that the absolute values of function values other than the... [more] SIP2022-2 BioX2022-2 IE2022-2 MI2022-2
pp.7-12
MBE, NC
(Joint)
2022-03-03
09:45
Online Online Estimating the permeability of rocks using three-dimensional CNN and ResNet
Taro Kamano (Kyushu Univ.), Yutaka Jitsumatsu (Tokyo Tech), Takeshi Tsuji (Kyushu Univ.) NC2021-60
Investigating the permeability and elastic wave velocity of rocks covering the surface of the earth is central in petrol... [more] NC2021-60
pp.74-79
NLP, MSS
(Joint)
2021-03-16
10:45
Online Online Approximate formula of the mean square quantization error of golden ratio encoders
Yoshikatsu Kashiwabara, Yutaka Jitsumatsu (Kyushu Univ.) NLP2020-63
The Golden Ratio Encoder (GRE) is a type of analog-to-digital (A/D) conversion method. GRE expands the input analog valu... [more] NLP2020-63
pp.47-52
IT 2020-12-02
09:00
Online Online MRI Tumor Recognition Based on Transfer Learning
Jiangchen Wei (Kyushu Univ.), Yutaka Jitsumatsu (Kyushu Univ) IT2020-28
 [more] IT2020-28
pp.21-25
IT 2020-12-03
13:40
Online Online Downlink Non-Orthogonal Multiple Access (NOMA) Using sparse superposition codes
Hayato Tachiwana, Yutaka Jitsumatsu (Kyushu Univ.) IT2020-54
Non-orthogonal multiple access (NOMA) is considered to be a most promising next generation mobile communication systems.... [more] IT2020-54
pp.159-164
MI, IE, SIP, BioX, ITE-IST, ITE-ME [detail] 2020-05-29
09:50
Online Online Estimation of velocities of elastic wave of rocks by convolutional neural networks
Taro Kamano, Yutaka Jitsumatsu, Takeshi Tsuji (Kyushu Univ) SIP2020-7 BioX2020-7 IE2020-7 MI2020-7
 [more] SIP2020-7 BioX2020-7 IE2020-7 MI2020-7
pp.29-34
IBISML 2020-03-11
14:10
Kyoto Kyoto University
(Cancelled but technical report was issued)
Accuracy of Brain Tumor Detection and Classification Based on Under Sampled k-Space Signals
Tania Sultana, Sho Kurosaki, Yutaka Jitsumatsu, Junichi Takeuchi (Kyushu Univ.) IBISML2019-46
The prime concern of Magnetic Resonance Imaging (MRI) is to optimize
examination time by assuring a good quality of the... [more]
IBISML2019-46
pp.91-94
CS, CAS 2020-02-28
10:50
Kumamoto   Sparse superposition codes in massive machine type communications
Hayato Tachiwana, Yutaka Jitsumatsu (Kyushu Univ.) CAS2019-117 CS2019-117
 [more] CAS2019-117 CS2019-117
pp.111-115
MIKA
(2nd)
2019-10-03
11:15
Hokkaido Hokkaido Univ. [Poster Presentation] Error Probability Performance of a multiple access system using sparse superposition codes
Hayato Tachiwana, Yutaka Jitsumatsu (Kyushu Univ.)
Sparse Code Multiple Access (SCMA), which is one of the machine type communication methods in mobile communication, avoi... [more]
IT, ISEC, WBS 2019-03-08
10:50
Tokyo University of Electro-Communications The distribution of the conditional information leakage in binary symmetric erasure wiretap channels
Ukyo Michiwaki, Yutaka Jitsumatsu (Kyushu Univ.), Yasutada Oohama (UEC) IT2018-118 ISEC2018-124 WBS2018-119
In Wyner's wiretap channel, information leakage is defined as mutual information between transmitter's messages and eave... [more] IT2018-118 ISEC2018-124 WBS2018-119
pp.263-268
PRMU, IBISML, IPSJ-CVIM [detail] 2018-09-20
10:00
Fukuoka   MRI Acceleration by Super Resolution
Shizen Kitazaki, Masanori Kawakita, Yutaka Jitsumatsu (Kyushu Univ.), Shigehide Kuhara (Kyorin Univ.), Jun'ichi Takeuchi (Kyushu Univ.) PRMU2018-39 IBISML2018-16
 [more] PRMU2018-39 IBISML2018-16
pp.21-29
ISEC, WBS, IT 2017-03-10
11:20
Tokyo TOKAI University MRI Acceleration by Super Resolution
Ayaka Nakashima, Masanori Kawakita, Yutaka Jitsumatsu (Kyushu Univ.), Shigehide Kuhara (Kyorin Univ.), Jun'ichi Takeuchi (Kyushu Univ.) IT2016-124 ISEC2016-114 WBS2016-100
MR imaging currently takes a long imaging time in some applications such as 3D imaging and faster imaging speed is requi... [more] IT2016-124 ISEC2016-114 WBS2016-100
pp.161-166
IT, SIP, RCS 2017-01-20
11:15
Osaka Osaka City Univ. Performance Evaluation of Random Number Generation Algorithm Based on a Beta-ary/Binary Conversion
Kohei Oda, Yutaka Jitsumatsu (Kyushu Univ.) IT2016-89 SIP2016-127 RCS2016-279
 [more] IT2016-89 SIP2016-127 RCS2016-279
pp.249-254
IT 2015-07-14
10:30
Tokyo Tokyo Institute of Technology A new method for estimating a real-valued radix in an A/D converter.
Kohei Oda, Yutaka Jitsumatsu (Kyushu Univ.) IT2015-30
A Pulse Code Modulation (PCM) and a Delta-Sigma ($DeltaSigma$) modulation are two major schemes for Analog-to-Digital (A... [more] IT2015-30
pp.77-82
CAS, NLP 2013-09-26
15:55
Gifu Satellite Campus, Gifu University [Invited Talk] Theoretical Analysis on Quantization Error of β-Encoder
Takaki Makino (Univ. of Tokyo), Yukiko Iwata (Meteorol. College), Yutaka Jitsumatsu (Kyushu Univ.), Masao Hotta, Hao San (Tokyo City Univ.), Kazuyuki Aihara (Univ. of Tokyo) CAS2013-43 NLP2013-55
Theoretical evaluation of last{the quantization} error of the $beta$-encoder, that is a non-binary analog-to-digital con... [more] CAS2013-43 NLP2013-55
pp.41-44
SRW 2013-08-19
14:15
Tokyo Shibaura Institute of Technology Separable Property for time and frequency synchronization in communications
Yutaka Jitsumatsu, Tohru Kohda (Kyushu Univ.), Kazuyuki Aihara (Univ. of Tokyo) SRW2013-25
 [more] SRW2013-25
pp.27-31
NLP 2013-05-28
09:25
Fukuoka Event hall, Central Library, Fukuoka University The tolerance of TD/S^3 reciever for frequancy offset
Tatsuro Higuchi, Yutaka Jitsumatsu (Kyushu Univ.) NLP2013-19
In the conventional direct sequence/spread spectrum (DS/SS),
a time delay of a channel can be estimated by time-domain... [more]
NLP2013-19
pp.53-58
NLP 2011-11-09
18:10
Okinawa Miyako Island Marine Terminal Sequences generated by chaos and optimum Sequences for asynchronous CDMA system.
Naoya Maeda, Yutaka Jitsumatsu, Tohru Kohda (Kyushu Univ.) NLP2011-108
Pseudorandom numbers generated from chaos are applied to spread spectrum communications.
Kohda and Fujisaki showed that... [more]
NLP2011-108
pp.91-96
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