Nagaaki Ohyama

Publication Activity (10 Years)

Years Active: 1986-2024
Publications (10 Years): 2

Top Topics

Remotely Sensed

Unsupervised Classification

Hyperspectral Images

Top Venues

Mach. Vis. Appl.

Publications

Sotheany Nou, Joong Sun Lee, Nagaaki Ohyama, Takashi Obi
The improvement of ground truth annotation in public datasets for human detection. Mach. Vis. Appl. 35 (3) (2024)
Lina Septiana, Hiroyuki Suzuki, Masahiro Ishikawa, Takashi Obi, Naoki Kobayashi, Nagaaki Ohyama, Erning Wihardjo, Dini Andiani
Classification of Elastic and Collagen Fibers in H&E Stained Hyperspectral Images. EMBC (2019)
Joong Sun Lee, Takashi Obi, Hiroyuki Suzuki, Kazushige Fujita, Masuyoshi Yachida, Nagaaki Ohyama
A new method for constructing dynamic VPN cooperating with OpenFlow control technology and healthcare PKI. APNOMS (2015)
Tatsuya Kon, Takashi Obi, Hideaki Tashima, Nagaaki Ohyama
A Proposal of Spatio-Temporal Reconstruction Method Based on a Fast Block-Iterative Algorithm. IEICE Trans. Inf. Syst. (4) (2013)
Yuri Murakami, Masahiro Yamaguchi, Nagaaki Ohyama
Hybrid-resolution multispectral imaging based on color filter array: basic principles and computer simulation. CGIV (2012)
Kazuma Shinoda, Yuri Murakami, Masahiro Yamaguchi, Nagaaki Ohyama
Lossless and lossy coding for multispectral image based on sRGB standard and residual components. J. Electronic Imaging 20 (2) (2011)
Joong Sun Lee, Hiroyuki Suzuki, Naoko Taira, Kouichi Kita, Takashi Obi, Masuyoshi Yachida, Takahiro Yokoyma, Hiroshige Yamamoto, Kazuhisa Uryu, Masahiro Yamaguchi, Nagaaki Ohyama
The Development of a Prototype e-P.O. Box and its Application to Personal Health Information Management System. HEALTHINF (2011)
Yuri Murakami, Masahiro Yamaguchi, Nagaaki Ohyama
Hybrid Resolution Spectral Imaging by Class-based Regression Method. Color Imaging Conference (2011)
Kazuma Shinoda, Yuri Murakami, Masahiro Yamaguchi, Nagaaki Ohyama
Multispectral image compression for spectral and color reproduction based on lossy to lossless coding. Image Processing: Algorithms and Systems (2010)
Yunsang Oh, Takashi Obi, Joong Sun Lee, Hiroyuki Suzuki, Nagaaki Ohyama
Empirical analysis of internet identity misuse: case study of south Korean real name system. Digital Identity Management (2010)
Noriaki Hashimoto, Yuri Murakami, Masahiro Yamaguchi, Takashi Obi, Nagaaki Ohyama
Color Enhancement of Multispectral Images for Effective Visualization. CGIV/MCS (2010)
Kazuma Shinoda, Yukio Kosugi, Yuri Murakami, Masahiro Yamaguchi, Nagaaki Ohyama
Hyperspectral image compression suitable for spectral analysis application. PCS (2010)
Junko Kishimoto, Masahiro Yamaguchi, Nagaaki Ohyama
A subjective evaluation of high-chroma color with wide color-gamut display. Color Imaging: Displaying, Processing, Hardcopy, and Applications (2009)
Tokiya Abe, Hideaki Haneishi, Pinky A. Bautista, Yuri Murakami, Masahiro Yamaguchi, Nagaaki Ohyama, Yukako Yagi
Color Correction of Red Blood Cell Area in H&E Stained Images by Using Multispectral Imaging. CGIV/MCS (2008)
Yuri Murakami, Keiko Iwase, Masahiro Yamaguchi, Nagaaki Ohyama
Evaluating Wide Gamut Color Capture of Multispectral Cameras. Color Imaging Conference (2008)
Yuri Murakami, Kunihiko Ietomi, Ayumi Tadano, Masahiro Yamaguchi, Nagaaki Ohyama
Comparison of spectral image reconstruction methods using multipoint spectral measurements. CGIV/MCS (2008)
Junko Kishimoto, Masahiro Yamaguchi, Nagaaki Ohyama
Evaluation of tone mapping for multi-band high dynamic range images: (0258). SIGGRAPH Talks (2008)
Jarkko Mutanen, Jussi Kinnunen, Masahiro Yamaguchi, Nagaaki Ohyama
New Method for Reproducing Fluorescent Colors. CGIV/MCS (2008)
Pinky A. Bautista, Tokiya Abe, Masahiro Yamaguchi, Nagaaki Ohyama, Yukako Yagi
Multispectral image enhancement for H&E stained pathological tissue specimens. Medical Imaging: Image-Guided Procedures (2008)
Pinky A. Bautista, Tokiya Abe, Masahiro Yamaguchi, Yukako Yagi, Nagaaki Ohyama
Digital staining of pathological images: dye amount correction for improved classification performance. Medical Imaging: Computer-Aided Diagnosis (2007)
Masahiro Yamaguchi, Ryo Iwama, Hiroshi Kanazawa, Norihito Fujikawa, Hiroyuki Fukuda, Hideaki Haneishi, Nagaaki Ohyama, Hidefumi Wada, Takeshi Kambara, Michiko Aihara, Yuko Yamakawa, Akinobu Nemoto, Masaki Furukawa, Zenro Ikezawa
Color reproducibility of skin lesions in multispectral video: Experimental evaluation. Color Imaging Conference (2006)
Masaru Tsuchida, Hiroyuki Arai, Toshio Uchiyama, Masahiro Yamaguchi, Hideaki Haneishi, Nagaaki Ohyama
A method for rendering and editing multispectral computer graphics. CGIV (2006)
Pinky A. Bautista, Tokiya Abe, Masahiro Yamaguchi, Yukako Yagi, Nagaaki Ohyama
Digital Staining of Pathological Tissue Specimens with PCA-based Feature Extraction and Linear Mapping of Spectral Transmittance. Color Imaging Conference (2005)
Masahiro Yamaguchi, Masanori Mitsui, Yuri Murakami, Hiroyuki Fukuda, Nagaaki Ohyama, Yasuo Kubota
Multispectral Color Imaging for Dermatology: Application in Inflammatory and Immunologic Diseases. Color Imaging Conference (2005)
Hiroyuki Fukuda, Junko Kishimoto, Masahiro Yamaguchi, Hideaki Haneishi, Nagaaki Ohyama
Spectral-based image-editing system. SIGGRAPH Posters (2005)
Junko Kishimoto, Masahiro Yamaguchi, Hideaki Haneishi, Nagaaki Ohyama
Color palette with enhanced psychological effect uncovered by multiprimary color display. SIGGRAPH Posters (2005)
Shanshan Yu, Yuri Murakami, Takashi Obi, Masahiro Yamaguchi, Nagaaki Ohyama
Improvements for multispectral image compression for color reproducibility with preservation to spectral accuracy. ICIP (2) (2005)
Pinky A. Bautista, Tokiya Abe, Masahiro Yamaguchi, Yukako Yagi, Nagaaki Ohyama
Digital staining of pathological tissue specimens using spectral transmittance. Medical Imaging: Image Processing (2005)
Hiroyuki Fukuda, Toshio Uchiyama, Hideaki Haneishi, Masahiro Yamaguchi, Nagaaki Ohyama
Development of a 16-band multispectral image archiving system. Color Imaging: Processing, Hardcopy, and Applications (2005)
Masaru Tsuchida, Yoshiyuki Sakaguchi, Hiroyuki Arai, Masami Nishiko, Norihito Fujikawa, Masahiro Yamaguchi, Hideaki Haneishi, Nagaaki Ohyama
High-fidelity color reproduction based on multi-channel BTF/BRDF acquisition, rendering and display. SIGGRAPH Sketches (2005)
Ryota Mase, Yohei Kawasaki, Yuri Murakami, Takashi Obi, Masahiro Yamaguchi, Nagaaki Ohyama
Multispectral image compression for high-quality color reproduction using JPEG2000. VCIP (2004)
Toshio Uchiyama, Masahiro Yamaguchi, Hideaki Haneishi, Nagaaki Ohyama
A Visual Evaluation of the Image Reproduced by Color Decomposition Based on Spectral Approximation for Multiprimary Display. CGIV (2004)
Yuri Murakami, Jun-ichiro Ishii, Takashi Obi, Masahiro Yamaguchi, Nagaaki Ohyama
Color conversion method for multi-primary display for spectral color reproduction. J. Electronic Imaging 13 (4) (2004)
Nagaaki Ohyama
Concept and Technology of Natural Vision System. Color Imaging Conference (2004)
Junya Takiue, Shingo Sugino, Yuri Murakami, Takashi Obi, Masahiro Yamaguchi, Nagaaki Ohyama
Evaluation of Smoothness in Color Gradation on Multiprimary Display. Color Imaging Conference (2004)
Junko Kishimoto, Masahiro Yamaguchi, Hideaki Haneishi, Nagaaki Ohyama
IRODORI: a color-rich palette based on natural vision technology. SIGGRAPH Emerging Technologies (2004)
Hiroshi Kanazawa, Masanori Mitsui, Masahiro Yamaguchi, Hideaki Haneishi, Nagaaki Ohyama
Color Conversion for Multi-primary Displays Using a Spherical Average Method. Color Imaging Conference (2004)
Hideto Motomura, Kenro Ohsawa, Hideaki Haneishi, Masahiro Yamaguchi, Nagaaki Ohyama
Natural Vision Image Data File Format for Spectral-Based Color Reproduction. PICS (2003)
Kenro Ohsawa, Hiroyuki Fukuda, Yasuhiro Komiya, Masahiro Yamaguchi, Nagaaki Ohyama
Spectrum-based color reproduction system for motion picture. Color Imaging: Processing, Hardcopy, and Applications (2003)
Satoshi Nambu, Toshio Uchiyama, Masahiro Yamaguchi, Hideaki Haneishi, Nagaaki Ohyama
A Method for the Unified Representation of Multispectral Images with Different Number of Bands. PICS (2003)
Kenro Ohsawa, Hiroyuki Fukuda, Takeyuki Ajito, Yasuhiro Komiya, Hideaki Haneishi, Masahiro Yamaguchi, Nagaaki Ohyama
Six-Band HDTV Camera System for Color Reproduction Based on Spectral Information. PICS (2003)
Keiko Fujii, Masahiro Yamaguchi, Nagaaki Ohyama, Kiyoshi Mukai
Development of support systems for pathology using spectral transmittance: the quantification method of stain conditions. Medical Imaging: Image Processing (2002)
Yuri Murakami, Takashi Obi, Masahiro Yamaguchi, Nagaaki Ohyama
A Method for the Evaluation of Color Estimation from Multispectral Data. Color Imaging Conference (2002)
Masahiro Yamaguchi, Taishi Teraji, Kenro Ohsawa, Toshio Uchiyama, Hideto Motomura, Yuri Murakami, Nagaaki Ohyama
Color image reproduction based on multispectral and multiprimary imaging: experimental evaluation. Color Imaging: Device-Independent Color, Color Hardcopy, and Applications (2002)
Friedhelm König, Kenro Ohsawa, Masahiro Yamaguchi, Nagaaki Ohyama, Bernhard Hill
A Multiprimary Display: Optimized Control Values for Displaying Tristimulus Values. PICS (2002)
Hideto Motomura, Hideaki Haneishi, Masahiro Yamaguchi, Nagaaki Ohyama
Backward Model for Multi-Primary Display Using Linear Interpolation on Equi-luminance Plane. Color Imaging Conference (2002)
Nagaaki Ohyama, Toshio Uchiyama, Masahiro Yamaguchi, Naoki Mukawa, Hiroshi Kaneko
Multispectral image retrieval using vector quantization. ICIP (1) (2001)
Masaru Tsuchida, Takashi Obi, Masahiro Yamaguchi, Nagaaki Ohyama
High-fidelity image reproduction using angular distribution of reflected spectral intensity. Color Imaging: Device-Independent Color, Color Hardcopy, and Graphic Arts (2001)
Yuri Murakami, Hiroyuki Manabe, Takashi Obi, Masahiro Yamaguchi, Nagaaki Ohyama
Multispectral Image Compression for Color Reproduction; Weighted KLT and Adaptive Quantization based on Visual Color Perception. Color Imaging Conference (2001)
Yücel Ugurlu, Takashi Obi, Akira Hasegawa, Masahiro Yamaguchi, Nagaaki Ohyama
Pattern-histogram-based temporal change detection using personal chest radiographs. Medical Imaging: Image Processing (1999)
Yücel Ugurlu, Keiko Ohkura, Takashi Obi, Akira Hasegawa, Masahiro Yamaguchi, Nagaaki Ohyama
Detection of Increasing Profusion of Opacities from a Sequence of Personal Chest Radiographs. ICIP (3) (1999)
Yasuhiro Komiya, Kenro Ohsawa, Yuri Ohya, Takashi Obi, Masahiro Yamaguchi, Nagaaki Ohyama
Natural Color Reproduction System for Telemedicine and Its Application to Digital Camera. ICIP (3) (1999)
Keiko Ohkura, Yücel Ugurlu, Hidekazu Nishizawa, Takashi Obi, Akira Hasegawa, Masahiro Yamaguchi, Nagaaki Ohyama
Hierarchical Image Segmentation Using Adaptive Pattern Sizes. ICIP (3) (1999)
Keiko Ohkura, Hidezaku Nishizawa, Takashi Obi, Masahiro Yamaguchi, Nagaaki Ohyama
Hierarchical clustering method for the segmentation of medical images. Medical Imaging: Image Processing (1998)
Masahiro Yamaguchi, Ryo Iwama, Yuri Ohya, Takashi Obi, Nagaaki Ohyama, Yasuhiro Komiya, Toshiaki Wada
Natural color reproduction in the television system for telemedicime. Medical Imaging: Image Processing (1997)
Kensuke Sekihara, Hideaki Haneishi, Nagaaki Ohyama
Details of simulated annealing algorithm to estimate parameters of multiple current dipoles using biomagnetic data. IEEE Trans. Medical Imaging 11 (2) (1992)
Hideaki Haneishi, Nagaaki Ohyama
3-D blood vessel reconstruction by simulated annealing. Medical Imaging: Image Processing (1990)
Eric Badiqué, Nagaaki Ohyama, Masuyoshi Yachida, T. Honda, J. Tsujiuchi
Compensation of motion related blur in CCD color endoscope images. ICASSP (1986)
Masuyoshi Yachida, Nagaaki Ohyama, Eric Badiqué, T. Honda, J. Tsujiuchi, R. Ono, S. Ikeda
One approach to color image processing. ICASSP (1986)