Dr. Toshiaki Nakagawa Profile

Dr. Toshiaki Nakagawa

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Publications (8)

SPIE Journal Paper | 1 September 2011 Open Access

Automated determination of cup-to-disc ratio for classification of glaucomatous and normal eyes on stereo retinal fundus images

Chisako Muramatsu, Hiroshi Fujita, Toshiaki Nakagawa, Akira Sawada, Tetsuya Yamamoto, Yuji Hatanaka

JBO, Vol. 16, Issue 09, 096009, (September 2011) https://doi.org/10.1117/12.10.1117/1.3622755

KEYWORDS: Image segmentation, Image classification, Diagnostics, Eye, Image processing, Digital filtering, Databases, Visualization, Photography, Image filtering

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Proceedings Article | 3 March 2009 Open Access

Determination of cup-to-disc ratio of optical nerve head for diagnosis of glaucoma on stereo retinal fundus image pairs

Chisako Muramatsu, Toshiaki Nakagawa, Akira Sawada, Yuji Hatanaka, Takeshi Hara, Tetsuya Yamamoto, Hiroshi Fujita

Proceedings Volume 7260, 72603L (2009) https://doi.org/10.1117/12.811461

KEYWORDS: Image enhancement, Image processing, Head, Nerve, 3D image reconstruction, Cameras, Stereoscopic cameras, Receivers, Eye, Computer aided diagnosis and therapy

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SPIE Journal Paper | 1 November 2008 Open Access

Quantitative depth analysis of optic nerve head using stereo retinal fundus image pair

Toshiaki Nakagawa, Takayoshi Suzuki, Yoshinori Hayashi, Yutaka Mizukusa, Yuji Hatanaka, Kyoko Ishida, Takeshi Hara, Hiroshi Fujita, Tetsuya Yamamoto

JBO, Vol. 13, Issue 06, 064026, (November 2008) https://doi.org/10.1117/12.10.1117/1.3041711

KEYWORDS: Optic nerve, Head, Cameras, Image registration, Biological research, Image processing, Denoising, Stereoscopic cameras, Eye, 3D image processing

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Proceedings Article | 17 March 2008 Paper

Improvement of automatic hemorrhage detection methods using brightness correction on fundus images

Yuji Hatanaka, Toshiaki Nakagawa, Yoshinori Hayashi, Masakatsu Kakogawa, Akira Sawada, Kazuhide Kawase, Takeshi Hara, Hiroshi Fujita

Proceedings Volume 6915, 69153E (2008) https://doi.org/10.1117/12.771051

KEYWORDS: Blood vessels, Image processing, Optic nerve, Head, Diagnostics, RGB color model, Computer aided diagnosis and therapy, Mahalanobis distance, Computing systems, Angiography

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Proceedings Article | 11 March 2008 Paper

Personal identification based on blood vessels of retinal fundus images

Keisuke Fukuta, Toshiaki Nakagawa, Yoshinori Hayashi, Yuji Hatanaka, Takeshi Hara, Hiroshi Fujita

Proceedings Volume 6914, 69141V (2008) https://doi.org/10.1117/12.769330

KEYWORDS: Biometrics, Image processing, Cameras, Blood vessels, Image registration, Retina, Eye, Databases, Computing systems, Distortion

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Proceedings Article | 30 March 2007 Paper

CAD scheme to detect hemorrhages and exudates in ocular fundus images

Yuji Hatanaka, Toshiaki Nakagawa, Yoshinori Hayashi, Yutaka Mizukusa, Akihiro Fujita, Masakatsu Kakogawa, Kazuhide Kawase, Takeshi Hara, Hiroshi Fujita

Proceedings Volume 6514, 65142M (2007) https://doi.org/10.1117/12.708367

KEYWORDS: Blood vessels, Optic nerve, Head, Image processing, Feature extraction, Angiography, Diagnostics, Computer aided design, Computer aided diagnosis and therapy, Image segmentation

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Proceedings Article | 30 March 2007 Paper

Detection of retinal nerve fiber layer defects in retinal fundus images using Gabor filtering

Yoshinori Hayashi, Toshiaki Nakagawa, Yuji Hatanaka, Akira Aoyama, Masakatsu Kakogawa, Takeshi Hara, Hiroshi Fujita, Tetsuya Yamamoto

Proceedings Volume 6514, 65142Z (2007) https://doi.org/10.1117/12.710181

KEYWORDS: Blood vessels, Image filtering, Nerve, Optical filters, Image enhancement, Computer aided diagnosis and therapy, RGB color model, Computing systems, CAD systems

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Proceedings Article | 29 March 2007 Paper

Comparison of the depth of an optic nerve head obtained using stereo retinal images and HRT

Toshiaki Nakagawa, Yoshinori Hayashi, Yuji Hatanaka, Akira Aoyama, Takeshi Hara, Masakatsu Kakogawa, Hiroshi Fujita, Tetsuya Yamamoto

Proceedings Volume 6511, 65112M (2007) https://doi.org/10.1117/12.706237

KEYWORDS: Image registration, Image processing, Optic nerve, Head, Retina, Cameras, 3D image processing, RGB color model, Eye models, Medical imaging

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Showing 5 of 8 publications

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