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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 123  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
HCS 2022-03-11
13:00
Online Online Development of Archery Game Supporting System for Visually Impaired People -- Performance Evaluation of Acoustic Sight Based on Practical Experiment --
Sei Ohirabaru, Tetsuo Tsujioka, Hitoshi Watanabe, Ikuo Oka (Osaka City Univ.) HCS2021-64
In this paper, we have developed an archery game supporting system for visually impaired.
In the previous studies, ther... [more]
HCS2021-64
pp.19-24
HCS 2022-03-11
14:00
Online Online Sound Signal Generation for the Visually Impaired to Recognize the Scenery Using Music -- Depth Information with LIDAR and the Expression by Pulse Width Modulation --
Naoki Aoyama, Shigeyoshi Nakajima, Tetsuo Tsujioka, Ikuo Oka, Hitoshi Watanabe (Osaka City Univ.) HCS2021-66
In this paper, we propose a system that converts depth information with LIDAR into acoustic signals by PWM, and grasps s... [more] HCS2021-66
pp.31-36
ICM 2022-03-04
16:00
Online Online Learning Data Extraction Method for Sequential Accumulation Learning-Based Anomaly Detection
Natsuki Fukazawa, Shingo Ata, Ikuo Oka (Osaka City Univ.) ICM2021-58
 [more] ICM2021-58
pp.84-89
HCS 2022-01-29
14:00
Online Online Development of Archery Game Supporting System for Visually Impaired -- Prototype Overview of Acoustic Sight Using a Camera with Object Recognition Function and its Basic Experimental Evaluations --
Sei Ohirabaru, Tetsuo Tsujioka, Hitoshi Watanabe, Ikuo Oka (Osaka City Univ.) HCS2021-57
In this paper, we have developed an archery game supporting system for visually impaired. In the previous studies, there... [more] HCS2021-57
pp.81-88
HCS 2021-08-22
13:00
Online Online Environmental Cognition by Auditory and Tactile Information Using Plane Recognition
Koki Samoto, Ikuo Oka, Tetsuo Tsujioka, Shigeyoshi Nakajima, Hitoshi Watanabe (Osaka City Univ.) HCS2021-28
In this paper, we propose a spatial cognition system based on plane recognition as a support system for visually impaire... [more] HCS2021-28
pp.63-66
ICM 2021-03-19
10:50
Online Online [Encouragement Talk] Utility of Training Data in Sequential Accumulation Learning-Based Anomaly Detection
Natsuki Fukazawa, Naoki Yoshida, Shingo Ata, Ikuo Oka (Osaka City Univ.) ICM2020-69
In Network-based Intrusion Detection Systems (NIDS) using supervised learning, one of important challengings is how to c... [more] ICM2020-69
pp.52-57
HCS 2020-08-22
15:30
Online Online Environmental Cognition by Auditory Information Using Plane Recognition
Kosuke Tomita, Ikuo Oka, Tetsuo Tsujioka, Hitoshi Watanabe (Osaka City Univ.) HCS2020-37
In this paper, we propose an environmental cognition system based on plane recognition as an auxiliary system for visual... [more] HCS2020-37
pp.95-98
ICM 2020-03-03
10:00
Okinawa Ohama Nobumoto Memorial Hall
(Cancelled but technical report was issued)
Automatic Accumulation of Learning Data on Learning-based Anomaly Detection Utilizing Communication Traffics
Natsuki Fukazawa, Naoki Yoshida, Shingo Ata, Ikuo Oka (Osaka City Univ.) ICM2019-50
With the advancement and diversification of information infrastructure in recent years, the importance
of network secur... [more]
ICM2019-50
pp.49-54
RISING
(2nd)
2019-11-26
14:10
Tokyo Fukutake Learning Theater, Hongo Campus, Univ. Tokyo Due to the sophistication and diversification of information infrastructure in recent years, the risk due to connections... [more]
RISING
(2nd)
2019-11-26
14:10
Tokyo Fukutake Learning Theater, Hongo Campus, Univ. Tokyo [Poster Presentation] A method of improving device identification based on multiple identification methods
Yuki Imamura (Osaka City Univ.), Nobuyuki Nakamura, Taketsugu Yao (OKI), Shingo Ata, Ikuo Oka (Osaka City Univ.)
With recent development in communication technology, the number of devices connected to a network is increasing, and sec... [more]
NS, IN, CS, NV
(Joint)
2019-09-06
13:05
Miyagi Research Institute of Electrical Communication, Tohoku Univ. A Method for Complementing Device Information by Using Similarity of DNS Queries
Takuya Hirasawa, Shingo Ata, Ikuo Oka (Osaka City Univ.) IN2019-27
In recent networks, which is becoming more and more complicated, it is important to maintain detailed information of dev... [more] IN2019-27
pp.23-28
NS, IN, CS, NV
(Joint)
2019-09-06
13:30
Miyagi Research Institute of Electrical Communication, Tohoku Univ. Improvement of Device Identification by using Multiple Monitoring Methods
Yuki Imamura (Osaka City Univ.), Nobuyuki Nakamura, Taketsugu Yao (OKI), Shingo Ata, Ikuo Oka (Osaka City Univ.) IN2019-28
With recent development in communication technology, security in communication devices especially in IoT devices becomes... [more] IN2019-28
pp.29-34
IT 2019-07-25
15:50
Tokyo NATULUCK-Iidabashi-Higashiguchi Ekimaeten Metric for Channel Selection by the Number of Users and SNR in WLAN
Taiga Okutate, Ikuo Oka, Shingo Ata (Osaka City Univ.) IT2019-19
A channel selection is employed to switch dynamically the channel to the optimal channel using channel state information... [more] IT2019-19
pp.23-26
IT 2019-07-25
16:15
Tokyo NATULUCK-Iidabashi-Higashiguchi Ekimaeten Probability Distribution of Backoff and Frozen Backoff in CSMA/CA
Koki Samoto, Ikuo Oka, Shingo Ata (Osaka City Univ.) IT2019-20
Recently, in wireless communications a transmission rate degradation due to the increase of traffic becomes a serious pr... [more] IT2019-20
pp.27-30
RCS, SIP, IT 2019-01-31
12:55
Osaka Osaka University Access Point Selection by the Number of Users and SNR Estimation
Tatsuhiko Murakami, Ikuo Oka, Shingo Ata (Osaka City Univ.) IT2018-42 SIP2018-72 RCS2018-249
Communication efficiency is improved by selecting the base station with the aid on channel state information (CSI). Many... [more] IT2018-42 SIP2018-72 RCS2018-249
pp.43-47
IT 2018-07-19
13:40
Nara Yamato Kaigishitsu Estimation of The Number of Users by Backoff and Collision Information on WLAN
Norihiro Matsumoto, Ikuo Oka, Shingo Ata (Osaka City Univ.) IT2018-12
Recently, the number of users using wireless devices is increasing. This causes a transmission rate degradation. To deal... [more] IT2018-12
pp.1-4
IT 2018-07-19
14:05
Nara Yamato Kaigishitsu Exact Analysis for Error Probability of Viterbi Decoding in Sequence Dependent Channels
Tadashi Tomizuka, Riku Iwanaga, Ikuo Oka, Shingo Ata (Osaka City Univ.) IT2018-13
In this paper, an exact analysis is presented for bit error probability of Viterbi decoding in sequence dependent channe... [more] IT2018-13
pp.5-10
IT 2017-07-13
14:20
Chiba Chiba University An Estimation of Number of Users Using Backoff in DCF on WLAN
Norihiro Matsumoto, Ikuo Oka, Shingo Ata (Osaka City Univ.) IT2017-22
In WLAN, the AP selection should be based on the AP wireless environments, which include usually used RSSI. However, oth... [more] IT2017-22
pp.33-36
IT 2017-07-13
14:45
Chiba Chiba University An Error Probability Analysis for SNR Estimation in Nakagami-m Fading Channels
Tatsuhiko Murakami, Ikuo Oka, Shingo Ata (Osaka City Univ.) IT2017-23
 [more] IT2017-23
pp.37-42
IT, SIP, RCS 2017-01-19
10:00
Osaka Osaka City Univ. A Study on Channel Select by Traffic and SNR Estimation
Shinji Nishijima, Ikuo Oka, Shingo Ata (Osaka City Univ.) IT2016-51 SIP2016-89 RCS2016-241
 [more] IT2016-51 SIP2016-89 RCS2016-241
pp.31-34
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