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IEICE Trans

Takafumi KANAMORI

Ultra-Fast NAS Based on Normalized Generalization Error with Random NTK
Keigo WAKAYAMA Takafumi KANAMORI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2025/10/01
Vol. E108-D  No. 10  pp. 1194-1205
Type of Manuscript:  PAPER
Category: Artificial Intelligence, Data Mining
Keyword: 
neural architecture search, neural tangent kernel, initialization, generalization performance, 
 Summary | Full Text:PDF
Robust Label Prediction via Label Propagation and Geodesic k-Nearest Neighbor in Online Semi-Supervised Learning
Yuichiro WADA Siqiang SU Wataru KUMAGAI Takafumi KANAMORI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2019/08/01
Vol. E102-D  No. 8  pp. 1537-1545
Type of Manuscript:  PAPER
Category: Artificial Intelligence, Data Mining
Keyword: 
semi-supervised learning, label propagation, manifold learning, online learning, geodesic distance, 
 Summary | Full Text:PDF
Constrained Least-Squares Density-Difference Estimation
Tuan Duong NGUYEN Marthinus Christoffel DU PLESSIS Takafumi KANAMORI Masashi SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/07/01
Vol. E97-D  No. 7  pp. 1822-1829
Type of Manuscript:  PAPER
Category: Artificial Intelligence, Data Mining
Keyword: 
density difference, asymptotic variance, L2-distance, bias, class-balance change, two-sample homogeneity test, 
 Summary | Full Text:PDF
Multiscale Bagging and Its Applications
Hidetoshi SHIMODAIRA Takafumi KANAMORI Masayoshi AOKI Kouta MINE 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/10/01
Vol. E94-D  No. 10  pp. 1924-1932
Type of Manuscript:  Special Section PAPER (Special Section on Information-Based Induction Sciences and Machine Learning)
Category: 
Keyword: 
bagging, active learning, confidence level, classification, 
 Summary | Full Text:PDF
Theoretical Analysis of Density Ratio Estimation
Takafumi KANAMORI Taiji SUZUKI Masashi SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/04/01
Vol. E93-A  No. 4  pp. 787-798
Type of Manuscript:  PAPER
Category: Algorithms and Data Structures
Keyword: 
density ratio estimation, density estimation, logistic regression, asymptotic analysis, Gaussian assumption, 
 Summary | Full Text:PDF
Least-Squares Conditional Density Estimation
Masashi SUGIYAMA Ichiro TAKEUCHI Taiji SUZUKI Takafumi KANAMORI Hirotaka HACHIYA Daisuke OKANOHARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/03/01
Vol. E93-D  No. 3  pp. 583-594
Type of Manuscript:  PAPER
Category: Pattern Recognition
Keyword: 
conditional density estimation, multimodality, heteroscedastic noise, direct density ratio estimation, transition estimation, 
 Summary | Full Text:PDF
Multiclass Boosting Algorithms for Shrinkage Estimators of Class Probability
Takafumi KANAMORI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2007/12/01
Vol. E90-D  No. 12  pp. 2033-2042
Type of Manuscript:  PAPER
Category: Artificial Intelligence and Cognitive Science
Keyword: 
multiclass classification, loss functions, conditional probability, shrinkage estimator, learning process, 
 Summary | Full Text:PDF