Keita Hirai - RankMe

61 papers B 1C 3Journal 10Unranked 47

Year	Rank	Type	Title / Venue / Authors
2023	J	`jnl`	Mental-state estimation model with time-series environmental data regarding cognitive function. Internet Things Isao Kurebayashi, Koshiro Maeda, Nobuyoshi Komuro, Keita Hirai, Hiroo Sekiya, Makoto Ichikawa
2022	J	`jnl`	Evaluating the Influence of ipRGCs on Color Discrimination. J. Imaging Masaya Ohtsu, Akihiro Kurata, Keita Hirai, Midori Tanaka, Takahiko Horiuchi
2022	J	`jnl`	Fabrication of a Human Skin Mockup with a Multilayered Concentration Map of Pigment Components Using a UV Printer. J. Imaging Kazuki Nagasawa, Shoji Yamamoto, Wataru Arai, Kunio Hakkaku, Chawan Koopipat, Keita Hirai, Norimichi Tsumura
2022	—	`conf`	Hand authentication from RGB-D video based on deep neural network. 3D Imaging and Applications Ryogo Miyazaki, Kazuya Sasaki, Norimichi Tsumura, Keita Hirai
2021	—	`conf`	A Study on Time Series Analysis of Environmental Data for Predicting Emotional Conditions. LifeTech Koshiro Maeda, Isao Kurebayashi, Nobuyoshi Komuro, Keita Hirai
2021	—	`conf`	Color Discrimination Experiments using Metameric ipRGC Stimuli. Color Imaging: Displaying, Processing, Hardcopy, and Applications Masaya Ohtsu, Akihiro Kurata, Keita Hirai
2021	—	`conf`	Testing Machine Learning Models for Individual Emotion Estimation from Indoor Environment Data. ICCE-TW Isao Kurebayashi, Nobuyoshi Komuro, Keita Hirai
2021	J	`jnl`	Video Smoke Removal from a Single Image Sequence. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Shiori Yamaguchi, Keita Hirai, Takahiko Horiuchi
2020	—	`conf`	BTF Image Recovery based on U-Net and Texture Interpolation. Material Appearance Naoki Tada, Keita Hirai
2020	—	`conf`	Estimation of Layered Ink Layout to reproduce desired Translucency of skin in Inkjet 3D Printer using deep neural network trained with synthetic simulated data. CIC Kensuke Fukumoto, Kazuki Nagasawa, Wataru Arai, Kunio Hakkaku, Satoshi Kaneko, Keita Hirai, Norimichi Tsumura
2020	—	`conf`	Image-Based Measurement of Structural Color using Spectral Camera. CIC Kazuki Iwata, Hiroki Shirasawa, Keita Hirai
2020	—	`conf`	Investigating Effects of Visual and Auditory Adaptation on Metallic Material Appearance. CIC Takumi Nakamura, Yagi Daichi, Kuangzhe Xu, Toshihiko Matsuka, Keita Hirai
2020	—	`conf`	Spectral Estimation of Multiple Light Sources based on Highlight Detection. CIC Shoji Tominaga, Keita Hirai, Takahiko Horiuchi
2019	J	`jnl`	Advances in Cross-Spectral Iris Recognition Using Integrated Gradientface-Based Normalization. IEEE Access Maulisa Oktiana, Khairun Saddami, Fitri Arnia, Yuwaldi Away, Keita Hirai, Takahiko Horiuchi, Khairul Munadi
2019	—	`conf`	Appearance Reconstruction of Fluorescent Objects Based on Reference Geometric Factors. CIC Shoji Tominaga, Keita Hirai, Takahiko Horiuchi
2019	—	`conf`	Appearance Reconstruction of Mutual Illumination Effect between Plane and Curved Fluorescent Objects. Material Appearance Shoji Tominaga, Keita Hirai, Takahiko Horiuchi
2019	—	`conf`	Constructing glossiness perception model of computer graphics with sounds. Material Appearance Takumi Nakamura, Keita Hirai, Takahiko Horiuchi
2019	—	`conf`	Construction of facial emotion database through subjective experiments and its application to deep learning-based facial image processing. Image Processing: Algorithms and Systems Tomoyuki Takanashi, Keita Hirai, Takahiko Horiuchi
2019	—	`conf`	Estimation of Layered Ink Layout from Arbitrary Skin Color and Translucency in Inkjet 3D Printer. CIC Junki Yoshii, Shoji Yamamoto, Kazuki Nagasawa, Wataru Arai, Satoshi Kaneko, Keita Hirai, Norimichi Tsumura
2019	—	`conf`	Haze Transfer Between Images Based on Dark Channel Prior. CCIW Koushirou Maeda, Keita Hirai, Takahiko Horiuchi
2019	—	`conf`	Makeup Skin Appearance Reproduction by Spectral Projection Mapping. CCIW Hiroki Shirasawa, Keita Hirai, Takahiko Horiuchi
2018	—	`conf`	A General Method for Estimating Fluorescent Donaldson Matrices. Material Appearance Shoji Tominaga, Keita Hirai, Takahiko Horiuchi
2018	J	`jnl`	High-Dynamic-Range Spectral Imaging System for Omnidirectional Scene Capture. J. Imaging Keita Hirai, Naoto Osawa, Motoki Hori, Takahiko Horiuchi, Shoji Tominaga
2018	—	`conf`	Reversible Color-to-Gray Mapping with Resistance to JPEG Encoding. SSIAI Takahiko Horiuchi, Xu Wen, Keita Hirai
2017	—	`conf`	Analysis of Material Representation of Manga Line Drawings using Convolutional Neural Networks. CIC Takahiko Horiuchi, Yuma Saito, Keita Hirai
2017	—	`conf`	Appearance Decomposition and Reconstruction of Textured Fluorescent Objects. Material Appearance Shoji Tominaga, Keiji Kato, Keita Hirai, Takahiko Horiuchi
2017	—	`conf`	Appearance Reconstruction of Fluorescent Objects for Different Materials and Light Source. CIC Shoji Tominaga, Keiji Kato, Keita Hirai, Takahiko Horiuchi
2017	—	`conf`	Correlation Analysis between Wood Eigen Textures and Perceptual Qualities. CIC Yoshimitsu Yamada, Keita Hirai, Takahiko Horiuchi
2017	J	`jnl`	Fabric Appearance Control System for Example-Based Interactive Texture and Color Design. ACM Trans. Appl. Percept. Takafumi Katsunuma, Keita Hirai, Takahiko Horiuchi
2017	—	`conf`	Interactive Object Surface Retexturing using Perceptual Quality Indexes. Material Appearance Keita Hirai, Wataru Suzuki, Yoshimitsu Yamada, Takahiko Horiuchi
2017	—	`conf`	Video Smoke Removal Based on Smoke Imaging Model and Space-Time Pixel Compensation. CCIW Shiori Yamaguchi, Keita Hirai, Takahiko Horiuchi
2016	C	`conf`	Measuring Spectral Reflectance and 3D Shape Using Multi-primary Image Projector. ICISP Keita Hirai, Ryosuke Nakahata, Takahiko Horiuchi
2016	—	`conf`	Modeling and Estimation for Surface-Spectral Reflectance of Watercolor Paintings. Measuring, Modeling, and Reproducing Material Appearance Shoji Tominaga, Shingo Dozaki, Yukiko Kuma, Keita Hirai, Takahiko Horiuchi
2016	—	`conf`	Perceptual Dependencies in Fabric Appearance between Texture and Color. Measuring, Modeling, and Reproducing Material Appearance Takafumi Katsunuma, Keita Hirai, Takahiko Horiuchi
2016	—	`conf`	Spectral Image Analysis of Florescent Objects with Mutual Illumination. CIC Shoji Tominaga, Keiji Kato, Keita Hirai, Takahiko Horiuchi
2015	—	`conf`	Bispectral Interreflection Estimation of Fluorescent Objects. CIC Shoji Tominaga, Keiji Kato, Keita Hirai, Takahiko Horiuchi
2015	—	`conf`	Construction of Manga Materials Database for Analyzing Perception of Materials in Line Drawings. CIC Yuma Saito, Keita Hirai, Takahiko Horiuchi
2015	—	`conf`	Development of a Dynamic Relighting System for Moving Planar Objects with Unknown Reflectance. CCIW Ryosuke Nakahata, Keita Hirai, Takahiko Horiuchi, Shoji Tominaga
2015	—	`conf`	Photometric and geometric measurements based on multi-primary image projector. CVCS Keita Hirai, Daisuke Irie, Takahiko Horiuchi
2015	—	`conf`	Visual Quality Improvement of Color-Embedded Gray Images for a Reversible Color-to-Gray Algorithm. AECIA Takahiko Horiuchi, Jiqiang Lin, Keita Hirai
2014	B	`conf`	An HDR Spectral Imaging System for Time-Varying Omnidirectional Scene. ICPR Keita Hirai, Naoto Osawa, Takahiko Horiuchi, Shoji Tominaga
2014	—	`conf`	Color image recovery system from printed gray image. SSIAI Jiqiang Lin, Takahiko Horiuchi, Keita Hirai, Shoji Tominaga
2014	C	`conf`	Measurement and Modeling of Bidirectional Characteristics of Fluorescent Objects. ICISP Shoji Tominaga, Keita Hirai, Takahiko Horiuchi
2014	—	`conf`	Spectral analysis of omnidirectional color signals in natural scenes. Color Imaging: Displaying, Processing, Hardcopy, and Applications Shoji Tominaga, Daiki Watanabe, Keita Hirai, Takahiko Horiuchi
2013	—	`conf`	An LED-Based Spectral Imaging System for Surface Reflectance and Normal Estimation. SITIS Keita Hirai, Tetsushi Tanimoto, Kazuya Yamamoto, Takahiko Horiuchi, Shoji Tominaga
2013	—	`conf`	Estimation of Two Illuminant Spectral Power Distributions from Highlights of Overlapping Illuminants. SITIS Nguyen Thuc Dieu Hang, Takahiko Horiuchi, Keita Hirai, Shoji Tominaga
2013	—	`conf`	Estimation of bispectral matrix for fluorescent objects. CVCS Shoji Tominaga, Keita Hirai, Takahiko Horiuchi
2013	C	`conf`	Investigation of Japanese Onomatopoeias as Features for SHITSUKAN-Based Image Retrieval. ISM Yuxing Wu, Keita Hirai, Takahiko Horiuchi
2013	—	`conf`	Metal-dielectric object classification by combining polarization property and surface spectral reflectance. Color Imaging: Displaying, Processing, Hardcopy, and Applications Shoji Tominaga, Hideki Kadoi, Keita Hirai, Takahiko Horiuchi
2012	—	`conf`	A LUT-based Method for Recovering Color Signals from High Dynamic Range Images. CIC Keita Hirai, Shoji Tominaga
2011	—	`conf`	Color Signal Estimation in High Dynamic Range Scenes. CIC Keita Hirai, Shoji Tominaga
2011	J	`jnl`	Psychological Effects of Ambient Illumination Control and Illumination Layout While Viewing Various Video Images. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Takuya Iwanami, Ayano Kikuchi, Keita Hirai, Toshiya Nakaguchi, Norimichi Tsumura, Yoichi Miyake
2010	—	`conf`	Measurement and Modeling of Chromatic Spatio-Velocity Contrast Sensitivity Function and its Application to Video Quality Evaluation. CIC Keita Hirai, Toshiaki Mikami, Norimichi Tsumura, Toshiya Nakaguchi
2010	J	`jnl`	Video Quality Assessment Using Spatio-Velocity Contrast Sensitivity Function. IEICE Trans. Inf. Syst. Keita Hirai, Jambal Tumurtogoo, Ayano Kikuchi, Norimichi Tsumura, Toshiya Nakaguchi, Yoichi Miyake
2009	J	`jnl`	Adaptive Ambient Illumination Based on Color Harmony Model. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Ayano Kikuchi, Keita Hirai, Toshiya Nakaguchi, Norimichi Tsumura, Yoichi Miyake
2009	—	`conf`	Real reproducing of 3D appearance with multi-projectors and cameras. CIC Sayuri Kamimigaki, Shoji Yamamoto, Keita Hirai, Norimichi Tsumura, Toshiya Nakaguchi, Yoichi Miyake
2009	—	`conf`	SV-CIELAB: Video Quality Assessment using Spatio-Velocity Contrast Sensitivity Function. CIC Keita Hirai, Jambal Tumurtogoo, Ayano Kikuchi, Toshiya Nakaguchi, Norimichi Tsumura, Yoichi Miyake
2009	—	`conf`	The relationship between ambient illumination and psychological factors in viewing of display Images. Color Imaging: Displaying, Processing, Hardcopy, and Applications Takuya Iwanami, Ayano Kikuchi, Takashi Kaneko, Keita Hirai, Natsumi Yano, Toshiya Nakaguchi, Norimichi Tsumura, Yasuhiro Yoshida, Yoichi Miyake
2008	—	`conf`	Compensation for projected image under dim illumination with CIECAM02. CGIV/MCS Sayuri Kamimigaki, Keisuke Taki, Keita Hirai, Shoji Yamamoto, Norimichi Tsumura, Toshiya Nakaguchi, Yoichi Miyake
2007	—	`conf`	Measurement and Modeling of Viewing-Condition-Dependent Spatio-Velocity Contrast Sensitivity Function. CIC Keita Hirai, Norimichi Tsumura, Toshiya Nakaguchi, Yoichi Miyake
2006	—	`conf`	Photometric HDR video for visual adaptation models. SIGGRAPH Research Posters Keita Hirai, Toshiya Nakaguchi, Norimichi Tsumura, Yoichi Miyake