Keyword : outlier detection


Noise Robust Acoustic Anomaly Detection System with Nonnegative Matrix Factorization Based on Generalized Gaussian Distribution
Akihito AIBA Minoru YOSHIDA Daichi KITAMURA Shinnosuke TAKAMICHI Hiroshi SARUWATARI 
Publication:   
Publication Date: 2021/03/01
Vol. E104-D  No. 3 ; pp. 441-449
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
nonnegative matrix factorizationgeneralized Gaussian distributionanomaly detectionoutlier detection
 Summary | Full Text:PDF(662.8KB)

Real-Time Detection of Global Cyberthreat Based on Darknet by Estimating Anomalous Synchronization Using Graphical Lasso
Chansu HAN Jumpei SHIMAMURA Takeshi TAKAHASHI Daisuke INOUE Jun'ichi TAKEUCHI Koji NAKAO 
Publication:   
Publication Date: 2020/10/01
Vol. E103-D  No. 10 ; pp. 2113-2124
Type of Manuscript:  PAPER
Category: Information Network
Keyword: 
cyberthreatmalwaredarknetnetwork securitysynchronizationoutlier detectionreal-time detection
 Summary | Full Text:PDF(1.7MB)

Non-Steady Trading Day Detection Based on Stock Index Time-Series Information
Hideaki IWATA 
Publication:   
Publication Date: 2020/06/01
Vol. E103-A  No. 6 ; pp. 821-828
Type of Manuscript:  PAPER
Category: Numerical Analysis and Optimization
Keyword: 
outlier detectionnon-steadystock indexvisualization of time-series information
 Summary | Full Text:PDF(523.5KB)

Automatic Retrieval of Action Video Shots from the Web Using Density-Based Cluster Analysis and Outlier Detection
Nga Hang DO Keiji YANAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2016/11/01
Vol. E99-D  No. 11 ; pp. 2788-2795
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
automatic constructionaction datasetsWeb videosdensity-based clusteringoutlier detection
 Summary | Full Text:PDF(1.5MB)

Direct Density Ratio Estimation with Convolutional Neural Networks with Application in Outlier Detection
Hyunha NAM Masashi SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/05/01
Vol. E98-D  No. 5 ; pp. 1073-1079
Type of Manuscript:  PAPER
Category: Artificial Intelligence, Data Mining
Keyword: 
density ratio estimationconvolutional neural networkoutlier detection
 Summary | Full Text:PDF(588.5KB)

Trajectory Outlier Detection Based on Multi-Factors
Lei ZHANG Zimu HU Guang YANG 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/08/01
Vol. E97-D  No. 8 ; pp. 2170-2173
Type of Manuscript:  LETTER
Category: Data Engineering, Web Information Systems
Keyword: 
trajectoryoutlier detectionmulti-factorscanonical correlation analysis
 Summary | Full Text:PDF(461.7KB)

Class Prior Estimation from Positive and Unlabeled Data
Marthinus Christoffel DU PLESSIS Masashi SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/05/01
Vol. E97-D  No. 5 ; pp. 1358-1362
Type of Manuscript:  LETTER
Category: Artificial Intelligence, Data Mining
Keyword: 
class-prior changeoutlier detectionpositive and unlabeled learningdivergence estimationpearson divergence
 Summary | Full Text:PDF(449.9KB)

Outlier Detection and Removal for HMM-Based Speech Synthesis with an Insufficient Speech Database
Doo Hwa HONG June Sig SUNG Kyung Hwan OH Nam Soo KIM 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/09/01
Vol. E95-D  No. 9 ; pp. 2351-2354
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
HMM-based speech synthesisdecision tree-based clusteringoutlier detectioninsufficient speech database
 Summary | Full Text:PDF(235.1KB)

A High-Accuracy Passive 3D Measurement System Using Phase-Based Image Matching
Mohammad Abdul MUQUIT Takuma SHIBAHARA Takafumi AOKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/03/01
Vol. E89-A  No. 3 ; pp. 686-697
Type of Manuscript:  Special Section PAPER (Special Section on Multidimensional Signal Processing and Its Application)
Category: Image/Vision Processing
Keyword: 
3D measurementstereo visionphase-based image matchingphase-only correlationoutlier detection
 Summary | Full Text:PDF(1.7MB)