Hajime NAGAHARA


Designing Coded Aperture Camera Based on PCA and NMF for Light Field Acquisition
Yusuke YAGI Keita TAKAHASHI Toshiaki FUJII Toshiki SONODA Hajime NAGAHARA 
Publication:   
Publication Date: 2018/09/01
Vol. E101-D  No. 9  pp. 2190-2200
Type of Manuscript:  Special Section PAPER (Special Section on Picture Coding and Image Media Processing)
Category: 
Keyword: 
light fieldcoded apertureprincipal component analysisnon-negative matrix factorization
 Summary | Full Text:PDF(3.6MB)

Orientation-Compensative Signal Registration for Owner Authentication Using an Accelerometer
Trung Thanh NGO Yasushi MAKIHARA Hajime NAGAHARA Yasuhiro MUKAIGAWA Yasushi YAGI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/03/01
Vol. E97-D  No. 3  pp. 541-553
Type of Manuscript:  PAPER
Category: Pattern Recognition
Keyword: 
biometric authenticationdynamic programminggaitaccelerometersensor-orientation inconsistency
 Summary | Full Text:PDF(2.8MB)

Real-Time Estimation of Fast Egomotion with Feature Classification Using Compound Omnidirectional Vision Sensor
Trung Thanh NGO Yuichiro KOJIMA Hajime NAGAHARA Ryusuke SAGAWA Yasuhiro MUKAIGAWA Masahiko YACHIDA Yasushi YAGI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/01/01
Vol. E93-D  No. 1  pp. 152-166
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
compound omnidirectional visionmulti-baseline stereolarge FOVmotion parameter separationfast egomotion estimationRANSAC
 Summary | Full Text:PDF(1.5MB)

Video Synthesis with High Spatio-Temporal Resolution Using Motion Compensation and Spectral Fusion
Kiyotaka WATANABE Yoshio IWAI Hajime NAGAHARA Masahiko YACHIDA Toshiya SUZUKI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/07/01
Vol. E89-D  No. 7  pp. 2186-2196
Type of Manuscript:  Special Section PAPER (Special Section on Machine Vision Applications)
Category: Video Generation
Keyword: 
high spatio-temporal resolution videomotion compensationspectral fusiondiscrete cosine transform (DCT)
 Summary | Full Text:PDF(1.1MB)