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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 13 of 13  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
SP, EA, SIP 2020-03-03
16:15
Okinawa Okinawa Industry Support Center
(Cancelled but technical report was issued)
A Portscan Detection Based on Low-rankness of Destination Port Matrices
Hiroki Nousou, Masao Yamagishi, Isao Yamada (Tokyo Tech) EA2019-167 SIP2019-169 SP2019-116
The detection of port scans as possible preliminaries to more serious attacks is important for system administrators and... [more] EA2019-167 SIP2019-169 SP2019-116
pp.385-390
CAS, MSS, IPSJ-AL [detail] 2017-11-16
10:35
Tokyo   [Invited Talk] Recent Advances in Optimization Methods Applied to Sparse Signal Processing
Masao Yamagishi (Tokyo Inst. of Tech.) CAS2017-43 MSS2017-27
 [more] CAS2017-43 MSS2017-27
p.13
SIP 2017-08-24
14:15
Tokyo Tokyo Denki University A DDoS Attack Detection Based on Group Sparsities of OD Flow Matrices
Masaya Endo, Masao Yamagishi, Isao Yamada (Tokyo Inst. of Tech.) SIP2017-52
To realize effective detection schemes applicable to diverse network traffic anomalies, we first propose to use group sp... [more] SIP2017-52
pp.21-26
SP, SIP, EA 2017-03-01
12:40
Okinawa Okinawa Industry Support Center [Poster Presentation] A Simple Self-Tuning Technique for Adaptive Proximal Forward-Backward Splitting
Kwangjin Jeong, Masahiro Yukawa (Keio Univ.), Masao Yamagishi, Isao Yamada (Tokyo Inst. Tech.) EA2016-94 SIP2016-149 SP2016-89
 [more] EA2016-94 SIP2016-149 SP2016-89
pp.71-76
SP, SIP, EA 2017-03-02
09:00
Okinawa Okinawa Industry Support Center [Poster Presentation] Parameter estimation method for mirror filter based on quadratically constrained quadratic optimization -- A study on a estimation using measured displacement of the diaphragm --
Kenta Iwai (Kansai Univ.), Masao Yamagishi (Tokyo Tech), Yoshinobu Kajikawa (Kansai Univ.) EA2016-127 SIP2016-182 SP2016-122
This paper shows the parameter estimation results using the measured displacement of the diaphragm by parameter estimati... [more] EA2016-127 SIP2016-182 SP2016-122
pp.255-260
SIP, EA, SP 2015-03-03
09:00
Okinawa   [Poster Presentation] RIP Conditions for Exact Recovery of Group-Sparse Vectors under Two Sets of Non-Overlapping Groups
Keiji Furuya, Masahiro Yukawa (Keio Univ.), Masao Yamagishi, Isao Yamada (Tokyo Tech.) EA2014-86 SIP2014-127 SP2014-149
 [more] EA2014-86 SIP2014-127 SP2014-149
pp.75-78
PRMU, CNR 2014-02-14
10:40
Fukuoka   [Special Talk] Convex Optimization for Applications to Image Analysis and Processing -- With a focus on effective utilization of the nuclear norm --
Shunsuke Ono, Masao Yamagishi, Isao Yamada (Tokyo Inst. of Tech.) PRMU2013-158 CNR2013-66
Remarkable advances in convex optimization have enabled us to handle large-scale (constrained) convex optimization probl... [more] PRMU2013-158 CNR2013-66
p.147
SP, EA, SIP 2013-05-17
15:45
Okayama   Sparsity-Aware Feed-Forward Active Noise Control with the Adaptive Douglas-Rachford Splitting
Masao Yamagishi, Isao Yamada (Tokyo Inst. of Tech.) EA2013-26 SIP2013-26 SP2013-26
Observing that a typical primary path in Active Noise Control (ANC) system is sparse, i.e., having a few significant coe... [more] EA2013-26 SIP2013-26 SP2013-26
pp.151-156
SP, EA, SIP 2013-05-17
17:15
Okayama   Detecting Reflection from Single Image Based on Nuclear Norm Minimization
Katsuhiro Toyokawa, Shunsuke Ono, Masao Yamagishi, Isao Yamada (Tokyo Inst. of Tech.) EA2013-29 SIP2013-29 SP2013-29
We propose a reflection detection method, namely, a method to extract edges of reflection, from a single image using a c... [more] EA2013-29 SIP2013-29 SP2013-29
pp.169-173
CAS, CS, SIP 2012-03-08
10:55
Niigata The University of Niigata Adaptive proximal forward-backward splitting applied to Huber loss function for sparse system identification under impulsive noise
Takayuki Yamamoto, Masao Yamagishi, Isao Yamada (Tokyo Inst. of Tech.) CAS2011-110 SIP2011-130 CS2011-102
In this paper, we propose a robust sparsity-aware adaptive filtering algorithm under impulsive noise environment,
by u... [more]
CAS2011-110 SIP2011-130 CS2011-102
pp.19-23
CAS, CS, SIP 2012-03-08
14:10
Niigata The University of Niigata Three variants of alternating direction method of multipliers without certain inner iterations and their application to image super-resolution via sparse representation
Masao Yamagishi, Shunsuke Ono, Isao Yamada (Tokyo Inst. of Tech.) CAS2011-115 SIP2011-135 CS2011-107
We propose three variants of Alternating Direction Method of Multipliers (ADMM) employing simplified updates under addit... [more] CAS2011-115 SIP2011-135 CS2011-107
pp.49-54
CS, SIP, CAS 2011-03-03
10:00
Okinawa Ohhamanobumoto memorial hall (Ishigaki)( Two improvements of the fast iterative shrinkage/thresholding algorithm -- Overrelaxation and weak convergence --
Masao Yamagishi, Isao Yamada (Tokyo Inst. of Tech) CAS2010-126 SIP2010-142 CS2010-96
In this paper, we present two improved schemes of FISTA (an iterative gradient-based algorithm, whose convergence rate o... [more] CAS2010-126 SIP2010-142 CS2010-96
pp.143-148
CS, SIP, CAS 2011-03-03
10:20
Okinawa Ohhamanobumoto memorial hall (Ishigaki)( A Rank-Selection Criterion for MV-PURE and its Applications to Ill-conditioned Inverse Problems
Shinji Shimamura, Masao Yamagishi, Isao Yamada (Tokyo Inst. of Tech.) CAS2010-127 SIP2010-143 CS2010-97
 [more] CAS2010-127 SIP2010-143 CS2010-97
pp.149-153
 Results 1 - 13 of 13  /   
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