Keita TAKAHASHI


Weighted 4D-DCT Basis for Compressively Sampled Light Fields
Yusuke MIYAGI Keita TAKAHASHI Toshiaki FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/09/01
Vol. E99-A  No. 9  pp. 1655-1664
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Image Sampling and Reconstruction)
Category: 
Keyword: 
light field photographycompressive sensingcoded maskDCT
 Summary | Full Text:PDF(15.8MB)

Reconstruction of Compressively Sampled Ray Space by Statistically Weighted Model
Qiang YAO Keita TAKAHASHI Toshiaki FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/10/01
Vol. E97-A  No. 10  pp. 2064-2073
Type of Manuscript:  PAPER
Category: Image
Keyword: 
ray spacecomputational photographycompressed sensingstatistically weighted model
 Summary | Full Text:PDF(6.6MB)

Facial Expression Recognition Based on Facial Region Segmentation and Modal Value Approach
Gibran BENITEZ-GARCIA Gabriel SANCHEZ-PEREZ Hector PEREZ-MEANA Keita TAKAHASHI Masahide KANEKO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/04/01
Vol. E97-D  No. 4  pp. 928-935
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
facial expression recognitionpartial occlusionfacial segmentationmodal value
 Summary | Full Text:PDF(2.3MB)

Stereo Image Retargeting with Shift-Map
Ryo NAKASHIMA Kei UTSUGI Keita TAKAHASHI Takeshi NAEMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/06/01
Vol. E94-D  No. 6  pp. 1345-1348
Type of Manuscript:  LETTER
Category: Image Recognition, Computer Vision
Keyword: 
stereo image editingimage retargetingshift-map image editing
 Summary | Full Text:PDF(392.6KB)

Design and Implementation of a Real-Time Video-Based Rendering System Using a Network Camera Array
Yuichi TAGUCHI Keita TAKAHASHI Takeshi NAEMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2009/07/01
Vol. E92-D  No. 7  pp. 1442-1452
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
real-time video-based renderinglight fieldcamera arraydepth estimationGPGPU
 Summary | Full Text:PDF(2.1MB)