Kensuke OKUBO

Image Modification Based on Spatial Frequency Components for Visual Attention Retargeting
Hironori TAKIMOTO Syuhei HITOMI Hitoshi YAMAUCHI Mitsuyoshi KISHIHARA Kensuke OKUBO 
Publication:   
Publication Date: 2017/06/01
Vol. E100-D  No. 6  pp. 1339-1349
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
visual attention, visual saliency map, attention retargeting, wavelet analysis, 
 Summary | Full Text:PDF(2.1MB)
Left-Handed Waveguide Using Cutoff TM-Mode
Mitsuyoshi KISHIHARA Yuki MIZUTANI Isao OHTA Kensuke OKUBO Hironori TAKIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/01/01
Vol. E99-C  No. 1  pp. 61-67
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: 
Keyword: 
circular waveguides, EBG devices, electromagnetic propagation, rectangular waveguides, 
 Summary | Full Text:PDF(930.5KB)
Image Modification Based on a Visual Saliency Map for Guiding Visual Attention
Hironori TAKIMOTO Tatsuhiko KOKUI Hitoshi YAMAUCHI Mitsuyoshi KISHIHARA Kensuke OKUBO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/11/01
Vol. E98-D  No. 11  pp. 1967-1975
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
visual attention, saliency map, image processing, guiding attention, 
 Summary | Full Text:PDF(1.4MB)
Band Pass Response on Left-Handed Ferrite Rectangular Waveguide
Kensuke OKUBO Makoto TSUTSUMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/10/01
Vol. E94-C  No. 10  pp. 1565-1571
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: Passive Devices and Circuits
Keyword: 
left-handed circuit, ferrite filter, ferrite phase shifter, periodic structure, 
 Summary | Full Text:PDF(770.9KB)
Design of a Broadband Cruciform Substrate Integrated Waveguide Coupler
Mitsuyoshi KISHIHARA Isao OHTA Kensuke OKUBO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/02/01
Vol. E94-C  No. 2  pp. 248-250
Type of Manuscript:  LETTER
Category: Microwaves, Millimeter-Waves
Keyword: 
millimeter-wave technology, passive components, couplers, substrate-integrated waveguide (SIW), planar circuit approach, 
 Summary | Full Text:PDF(246.4KB)
Shielded Structure of Composite Right/Left-Handed Transmission Line Using Substrate Integrated Waveguide and Floating-Conductor
Kensuke OKUBO Mitsuyoshi KISHIHARA Akifumi IKEDA Jiro YAMAKITA Isao OHTA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/07/01
Vol. E93-C  No. 7  pp. 1055-1062
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
composite right/left-handed transmission line (CRLH-TL), substrate integrated waveguide (SIW), SIW-type CRLH, floating-conductor, shielded structure, periodic structure, 
 Summary | Full Text:PDF(2.1MB)
Analysis of Post-Wall Waveguide Based on H-Plane Planar Circuit Approach
Mitsuyoshi KISHIHARA Isao OHTA Kensuke OKUBO Jiro YAMAKITA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/01/01
Vol. E92-C  No. 1  pp. 63-71
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and its Application)
Category: 
Keyword: 
parallel-plate waveguides, substrate integrated waveguide (SIW), waveguide discontinuities, passive circuits, 
 Summary | Full Text:PDF(829KB)
Effects of Nonuniform Bias Magnetic Field on Left-Handed Ferrite Microstrip Line
Kensuke OKUBO Makoto TSUTSUMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/09/01
Vol. E90-C  No. 9  pp. 1756-1762
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: Passive Devices/Circuits
Keyword: 
left-handed line, ferrite microstrip line, nonreciprocity, nonuniform bias magnetic field, 
 Summary | Full Text:PDF(601.9KB)
On the Quasi-Left-Handed Transmission Line with Gyrator Loading
Kensuke OKUBO Makoto TSUTSUMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/09/01
Vol. E89-C  No. 9  pp. 1312-1317
Type of Manuscript:  Special Section PAPER (Special Section on Metamaterials for Microwave and Millimeter-Wave Applications)
Category: 
Keyword: 
gyrator, left-handed line, ferrite, periodic structure, nonreciprocity, 
 Summary | Full Text:PDF(514.9KB)
Hollow Ferrite Waveguide and Its Application
Kensuke OKUBO Makoto TSUTSUMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/08/01
Vol. E86-C  No. 8  pp. 1685-1689
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: 
Keyword: 
ferrite waveguide, nonreciprocal circuit, hollow guide, magnetostatic surface wave, 
 Summary | Full Text:PDF(347.7KB)
Full-Wave Finite-Difference Time-Domain Formulation for Gyromagnetic Ferrite Media Magnetized in Arbitrary Direction
Atsushi SANADA Kensuke OKUBO Ikuo AWAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/07/01
Vol. E84-C  No. 7  pp. 931-936
Type of Manuscript:  Special Section PAPER (Special Issue on Techniques for Constructing Microwave Simulators--Design and Analysis Tools for Electromagnetic Fields, Circuits, and Antennas--)
Category: Electromagnetics Simulation Techniques
Keyword: 
FDTD method, ferrite, microwave, 
 Summary | Full Text:PDF(698.7KB)