Journal

F. Rachmadi, K. Uchimura, G. Koutaki and K. Ogata, "Single Image Vehicle Classification Using Pseudo Long Short-Term Memory Classifier", accepted to Journal of Visual Communication and Image Representation, 2018
G. Koutaki, K.Shirai and M. Ambai, "Hadamard Coding for Discrete Supervised Hashing", IEEE trans. Image Processing (TIP), vol.27, no.11, pp. 5378-5392, 2018 link
G. Koutaki and K.Uchimura, "XY-Separable Scale-space Filtering by Polynomial Representations and Its Applications", IEICE trans. D, 2017
G. Koutaki, "Binary-Continuous Image Decomposition for Multi-view Display", ACM trans. on Graphics (SIGGRAPH2016), Vol.35, No.4, 12 pages, 2016link
project page
G. Koutaki, H.Okajima, N. Matsunaga and K.Uchimura, "Color Quantization and Optimization of Luminance for Digital Mirror Device based Projector", IEEE trans. on Consumer Electronics, Vol.62, No.2, pp.103-110, 2016link
G. Koutaki and K.Uchimura, "Fast and Robust Vision System for Shogi Robot", Journal of Robotics and mechatronics, Vol.27, No.2, pp.1-9, 2015
G. Koutaki and K.Uchimura, "Scale-invariant Edge Detection Using Spectral Theory", IPSJ Transactions on Computer Vision and Applications 5(0), 30-34, 2013

International conference

[ICIP2018] K.Eto, G.Koutaki, and K.Shirai, "Hadamard coded discrete cross modal hashing", link
[ICCV2015] T.Hasegawa, M.Ambai, K.Ishikawa, G.Koutaki, Y.Yamauchi, T.Yamashita, H.Fujiyoshi, "Multiple-hypotheses affine region estimation by anisotropic LoG filter",
project page
[CVPR2014 (oral)] G.Koutaki and K.Uchimura, "Scale-space Processing Using Polynomial Representations",

[ISMAR2015] G.Koutaki, S.Hirata, H.Sato, K.Uchimura, "Marker Identification Using IR LEDs and RGB Color Descriptors", extended poster
[ICIP2015] G.Koutaki, H.Okajima, N. Matsunaga and K.Uchimura, "Optimization of Color Quatization with Total Luminance for DLP Projector and Its Evaluation System"
[ICIP2014] G.Koutaki and K.Uchimura, "Scale-space Filtering Using a Piecewise Polynomial Representation"
[ICIP2013] G.Koutaki and K.Uchimura, "Scale-space Compression and Its Application Using Spactral Theory"

Misc

G. Koutaki , Keiichiro Shirai and Mitsuru Ambai, "Fast Supervised Discrete Hashing and its Analysis", [arXiv link] [github MATLAB code]

Domestic awards (in Japanese)

-ISCIE industrial technical award 2015
-IEICE best paper award 2013
-MIRU2012 best paper award (MIRU-Nagao Prize)

WEB DEMO

-Spectral SIFT: link
-Spectral Multi-Scale Edge Detection: link
previous japanese page

Resources

-Japanese shogi robot system:

movie