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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 21  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
CCS 2022-11-18
16:50
Mie
(Primary: On-site, Secondary: Online)
Task Concentration Avoidance Method Considering Transfer Probabilities Between Heterogeneous Edge Servers
Kohei Ogawa, Sumiko Miyata (SIT) CCS2022-62
In mobile edge computing, servers are distributed to reduce the distance between users and servers, thereby reducing unn... [more] CCS2022-62
pp.97-102
NS 2022-10-05
15:35
Hokkaido Hokkaidou University + Online
(Primary: On-site, Secondary: Online)
Improvement of TCP Fairness by Updating TCP BBR's RTprop Considering Update Frequency
Kohei Ogawa, Natsuki Katsumata, Saneyasu Yamaguchi (Kogakuin University) NS2022-84
 [more] NS2022-84
pp.12-17
NS 2022-10-05
16:00
Hokkaido Hokkaidou University + Online
(Primary: On-site, Secondary: Online)
A Significant Performance Decline of TCP BBR at the Start of Connection and Its Relief
Natsuki Katsumata, Kohei Ogawa, Saneyasu Yamaguchi (Kogakuin University) NS2022-85
(To be available after the conference date) [more] NS2022-85
pp.18-23
HIP 2021-12-23
14:00
Online Online Changes in the impression of urgency-inducing speech due to added background image and background sounds
Kohei Ogawa, Masahiro Yamataka (Aichi Univ of Technology.), Shuichi Sakamoto, Yoiti Suzuki, Toshiaki Muramoto (Tohoku Univ.) HIP2021-50
It is reported that emergency-related damage has been increased because residents who were in danger frequently made ove... [more] HIP2021-50
pp.11-16
SRW, SeMI, CNR
(Joint)
2021-11-25
15:20
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
[Invited Talk] Understanding humans by creating interactive robots.
Kohei Ogawa (Nagoya Univ.)
We introduce the research we have conducted so far on interactive android robots that look like humans. Then, through va... [more]
US 2019-09-25
14:55
Miyagi Tohoku Univ. Fundamental study for quantitative evaluation of arthritis using photoacoustic imaging
Kohei Ogawa, Takeshi Namita, Kengo Kondo, Makoto Yamakawa, Tsuyoshi Shiina (Kyoto Univ.) US2019-53
Arthritis is a disorder associated with joint inflammation causing various symptoms including local rigidity, swelling, ... [more] US2019-53
pp.35-40
IBISML 2014-11-17
17:00
Aichi Nagoya Univ. [Poster Presentation] Efficient leave-one-out cross-validation for L2-regularized classifier
Shota Okumura, Yoshiki Suzuki, Kohei Ogawa, Yuki Shinmura, Ichiro Takeuchi (NIT) IBISML2014-44
Leave-one-out cross-validation (LOOCV) is a useful tool
for estimating generalization performances of
various machine ... [more]
IBISML2014-44
pp.73-80
IBISML 2013-11-12
15:45
Tokyo Tokyo Institute of Technology, Kuramae-Kaikan [Poster Presentation] Safe Sample Screening Rule on Hinge Loss Minimization
Kohei Ogawa, Yamato Kawamoto, Yoshiki Suzuki, Ichiro Takeuchi (Nagoya Inst. of Tech.) IBISML2013-39
In this paper, we propose the algorithm that can speed up computing problems minimizing Hinge loss such as SVMs, via eli... [more] IBISML2013-39
pp.23-30
IBISML 2013-11-13
15:45
Tokyo Tokyo Institute of Technology, Kuramae-Kaikan [Poster Presentation] Safe Screening Rule for Incmrenetal Learning
Yoshiki Suzuki, Shota Okumura, Kohei Ogawa, Ichiro Takeuchi (Nagoya Inst. of Tech.) IBISML2013-64
Efficient optimization algorithm is required in online learning or other incremental learning scenario since the model m... [more] IBISML2013-64
pp.213-218
HCS 2013-11-09
12:30
Osaka Osaka Univ. (Toyonaka) Societal Androids Based on a Situatedness
Miki Watanabe, Kohei Ogawa, Hiroshi Ishiguro (Osaka Univ.) HCS2013-55
In this paper, we proposed the design method for an autonomous android robot that is recognized as an intelligent and a ... [more] HCS2013-55
pp.31-36
HCS 2013-11-09
12:30
Osaka Osaka Univ. (Toyonaka) Presenting Android as a substitute for human
Tomoya Hoshikawa, Kohei Ogawa, Hiroshi Ishiguro (Osaka Univ.) HCS2013-58
This paper suggests an android system which can give a speech as a substitute for Prof. Ishiguro. Android’s behavior is ... [more] HCS2013-58
pp.47-52
PRMU, IBISML, IPSJ-CVIM [detail] 2013-09-02
09:30
Tottori   Optimization for Robust Support Vector Machine Utilizing Homotopy Approach
Shinya Suzumura, Kohei Ogawa, Ichiro Takeuchi (Nagoya Inst. of Tech.), Masashi Sugiyama (Tokyo Inst. of Tech.) PRMU2013-36 IBISML2013-16
In this paper, we propose a novel optimization method for robust SVM that has robustness to outliers. In robust SVM, it ... [more] PRMU2013-36 IBISML2013-16
pp.19-24
ASN, IPSJ-UBI 2013-05-16
16:40
Kumamoto Kumamoto University [Poster Presentation] Delay performance improvement of wireless network with many sensors employing reliable multicast scheme
Ryo Nishioka, Kohei Ogawa, Masahiro Morikura, Koji Yamamoto (Kyoto Univ.) ASN2013-17
In smart meter systems, an access point (AP) has to multicast control signals to multiple stations (STAs) with high reli... [more] ASN2013-17
pp.91-96
IBISML 2013-03-05
16:05
Aichi Nagoya Institute of Technology Computing pathwise SVMs by Using Non-Support Vector Screening
Kohei Ogawa, Yoshiki Suzuki, Ichiro Takeuchi (Nagoya Inst. of Tech.) IBISML2012-108
In this paper, we claim that some of the non-support vectors (non-SVs) that have no influence on the classifier can be s... [more] IBISML2012-108
pp.107-114
NS, RCS
(Joint)
2012-12-14
14:10
Ehime Ehime Univ. New power saving method for M2M networks by sleep mode control scheme employing virtual grouping
Kohei Ogawa, Yuki Sangenya, Masahiro Morikura, Koji Yamamoto (Kyoto Univ.), Tomoyuki Sugihara (Allied Telesis) RCS2012-236
In recent years, a wireless access scheme attracts attention to realize machine to machine (M2M) networks such as smart ... [more] RCS2012-236
pp.315-320
IBISML 2012-11-08
15:00
Tokyo Bunkyo School Building, Tokyo Campus, Tsukuba Univ. Efficient SVM Bootstrap Computation by Parametric Programming
Yoshiki Suzuki, Kohei Ogawa, Ichiro Takeuchi (Nagoya Inst. of Tech.) IBISML2012-73
In this paper, we study statistical variability estimation of the support vector machine (SVM) by using bootstrap method... [more] IBISML2012-73
pp.277-282
SAT, RCS
(Joint)
2012-08-31
15:15
Kochi Kochi City Cultura-Plaza CUL-PORT Throughput improvement of IEEE 802.11ah based M2M network by random AIFSN scheme
Kohei Ogawa, Yuki Sangenya, Masahiro Morikura, Koji Yamamoto (Kyoto Univ.), Tomoyuki Sugihara (Allied Telesis) RCS2012-122
In recent years, a wireless access scheme attracts attention to realize machine to machine (M2M) networks such as smart ... [more] RCS2012-122
pp.157-162
IBISML 2012-06-19
10:00
Kyoto Campus plaza Kyoto A study on an optimization algorithm for semi-supervised SVM using parametric programing
Kohei Ogawa, Ichiro Takeuchi (NIT), Masashi Sugiyama (Tokyo Tech) IBISML2012-1
The goal of semi-supervised learning is to incorporate unlabeled instances as well as labeled ones for improving classif... [more] IBISML2012-1
pp.1-8
SR, RCS, SRW
(Joint)
2012-03-09
15:40
Kanagawa YRP Throughput perforamance of smart meter system emplyoing IEEE 802.11ah
Kohei Ogawa, Masahiro Morikura, Koji Yamamoto (Kyoto Univ.) RCS2011-352
In smart meter systems an access point (AP) has to communicate with stations (STAs) in a much larger cell than that in w... [more] RCS2011-352
pp.217-222
HCS 2009-03-23
14:30
Shimane   Effects to the condition for eye contact by differences of appearance and movement
Takayoshi Yamamori (ATR), Kohei Ogawa (Future Univ.), Shuichi Nishio (ATR), Hiroshi Ishiguro (Osaka Univ) HCS2008-60
We are doing research for Android, which looks like a human. Eye, the motion of eye contact above all, plays important r... [more] HCS2008-60
pp.13-18
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