Author

Kiichi Urahama

Observed names: K. URAHAMA, K. Urahama, KIICHI URAHAMA, Ki-Ichi Urahama, Kiichi URAHAMA, Ki‐Ichi Urahama, Urahama, Kiichi

Institution: Kyushu University

Observed institutions: Kyushu University, Kyushu Institute of Technology, Fujitsu (Japan), Kyushu Economic Research Center, Kyushu Art Institute of Technology, National Institute of Technology, Oita College

OpenAlex ID: A5042478867

K-winners-take-all circuit with O(N) complexity

1995 · K. Urahama, T. Nagao · IEEE Transactions on Neural Networks · 83

Sequential fuzzy cluster extraction by a graph spectral method

1999 · Kohei Inoue, Kiichi Urahama · Pattern Recognition Letters · 41

Direct analog rank filtering

1995 · K. Urahama, T. Nagao · IEEE Transactions on Circuits and Systems I Fundamental Theory and Applications · 33

Equivalence of Non-Iterative Algorithms for Simultaneous Low Rank Approximations of Matrices

2006 · K. Inoue, K. Urahama · IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 29

Non-Iterative Two-Dimensional Linear Discriminant Analysis

2006 · K. Inoue, K. Urahama · Proceedings - International Conference on Pattern Recognition/Proceedings/International Conference on Pattern Recognition · 23

Gradient descent learning of nearest neighbor classifiers with outlier rejection

1995 · K. Urahama, Y. Furukawa · Pattern Recognition · 22

Robust multilinear principal component analysis

2009 · Kohei Inoue, Kenji Hara, et al. · IEEE/CVF International Conference on Computer Vision (ICCV) · 19

DSVD: A Tensor-Based Image Compression and Recognition Method

2005 · K. Inoue, K. Urahama · IEEE International Symposium on Circuits and Systems proceedings · 18

Robust Kernel Fuzzy Clustering

2005 · Weiwei Du, Kohei Inoue, et al. · Lecture notes in computer science · 18

Gradient Projection Network: Analog Solver for Linearly Constrained Nonlinear Programming

1996 · Kiichi Urahama · Neural Computation · 18

Separation of multiple objects in motion images by clustering

2002 · K. Inoue, K. Urahama · IEEE/CVF International Conference on Computer Vision (ICCV) · 15

Iterative Method for Inverse Nonlinear Image Processing

2014 · Zihan YU, Kiichi URAHAMA · IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences · 14

Saturation improvement in hue-preserving color image enhancement without gamut problem

2017 · Hengjun Yu, Kohei Inoue, et al. · ICT Express · 13

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Gradient operators for feature extraction from omnidirectional panoramic images

2015 · Kenji Hara, Kohei Inoue, et al. · Pattern Recognition Letters · 13

A Differentiable Approximation Approach to Contrast-Aware Image Fusion

2014 · Kenji Hara, Kohei Inoue, et al. · IEEE Signal Processing Letters · 13

Analog circuit for solving assignment problems

1994 · K. Urahama · IEEE Transactions on Circuits and Systems I Fundamental Theory and Applications · 13

Classification between natural and graphics images based on generalized Gaussian distributions

2018 · Atsushi Morinaga, Kenji Hara, et al. · Information Processing Letters · 11

RGB Color Cube-Based Histogram Specification for Hue-Preserving Color Image Enhancement

2017 · Kohei Inoue, Kenji Hara, et al. · Journal of Imaging · 10

Dimensionality Reduction for Semi-supervised Face Recognition

2005 · Weiwei Du, Kohei Inoue, et al. · Lecture notes in computer science · 10

Halftoning with minimum spanning trees and its application to maze-like images

2009 · Kohei Inoue, Kiichi Urahama · Computers & Graphics · 9

Technologies Leading to the Next-generation Digital Cameras and Movies (8); Extracting Intrinsic Structures in Images; Noise Reduction and Generation of Illustrations by Using Bilateral Filters

2008 · Kiichi Urahama · The Journal of The Institute of Image Information and Television Engineers · 9

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An NPR Technique for Pointillistic and Mosaic Images with Impressionist Color Arrangement

2005 · Linlin Jing, Kohei Inoue, et al. · Lecture notes in computer science · 9

An NPR Technique for Generating Bamboo Weave Images

2008 · Yusuke Matsushima, Kohei Inoue, et al. · IEICE technical report. Image engineering · 8

Anisotropic Bilateral Filters for Edge-Preserving Stripe Enhancement

2004 · Kohei Inoue, Kiichi Urahama · The Journal of The Institute of Image Information and Television Engineers · 8

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Time-Dependent Ginzburg-Landau Equations for Hard-Mode Instabilities

1981 · Kaoru Yamafuji, Kiyoshi Toko, et al. · Journal of the Physical Society of Japan · 8

Works count: 433

Citation count: 747

H-index: 13

I10-index: 19