Dr. Yuji Hatanaka Profile

Dr. Yuji Hatanaka

Associate Professor at Univ of Shiga Prefecture

SPIE Involvement:

Author

Publications (21)

Proceedings Article | 2 March 2020 Paper

Detection of defected nerve regions on retinal fundus images using OCT data for glaucoma screening

Chisako Muramatsu, Ryusuke Watanabe, Akira Sawada, Yuji Hatanaka, Takeshi Hara, Tetsuya Yamamoto, Hiroshi Fujita

Proceedings Volume 11318, 1131819 (2020) https://doi.org/10.1117/12.2549920

KEYWORDS: Optical coherence tomography, Photography, Image segmentation, Defect detection, Image registration, Visualization, Ophthalmology, Blood vessels

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Proceedings Article | 27 March 2019 Paper

Arteriovenous classification method using convolutional neural network for early detection of retinal vascular lesion

Hibiki Ikawa, Yuji Hatanaka, Wataru Sunayama, Kazunori Ogohara, Chisako Muramatsu, Hiroshi Fujita

Proceedings Volume 11050, 110501M (2019) https://doi.org/10.1117/12.2521528

KEYWORDS: Blood vessels, Arteries, Veins, Image segmentation, Convolutional neural networks, Image classification, Image resolution, Electronics engineering, Systems engineering, Performance modeling

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Proceedings Article | 22 March 2019 Paper

Furniture layout design aided system using subjective reward

Tomohiro Matsuno, Yuji Hatanaka, Wataru Sunayama, Kazunori Ogohara

Proceedings Volume 11049, 110492X (2019) https://doi.org/10.1117/12.2521524

KEYWORDS: Genetic algorithms, Virtual reality, Electronics engineering, Systems engineering, Human-machine interfaces, Printed circuit board testing, Optimization (mathematics), Systems modeling, Artificial intelligence, Robots

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Proceedings Article | 3 March 2017 Paper

Automated detection of nerve fiber layer defects on retinal fundus images using fully convolutional network for early diagnosis of glaucoma

Ryusuke Watanabe, Chisako Muramatsu, Kyoko Ishida, Akira Sawada, Yuji Hatanaka, Tetsuya Yamamoto, Hiroshi Fujita

Proceedings Volume 10134, 1013438 (2017) https://doi.org/10.1117/12.2254574

KEYWORDS: Convolutional neural networks, Neural networks, Defect detection, Image filtering, Machine learning, Eye, Retina, Visualization, Medicine, Ophthalmology, Receivers, Photography, Gold

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Proceedings Article | 24 March 2016 Paper

Automated detection of retinal nerve fiber layer defects on fundus images: false positive reduction based on vessel likelihood

Chisako Muramatsu, Kyoko Ishida, Akira Sawada, Yuji Hatanaka, Tetsuya Yamamoto, Hiroshi Fujita

Proceedings Volume 9785, 97852L (2016) https://doi.org/10.1117/12.2216662

KEYWORDS: Nerve, Blood vessels, Eye, Retina, Databases, Image filtering, Digital filtering, Medicine, Ophthalmology, Photography, Visualization

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Proceedings Article | 24 March 2016 Paper

Automated blood vessel extraction using local features on retinal images

Yuji Hatanaka, Kazuki Samo, Mikiya Tajima, Kazunori Ogohara, Chisako Muramatsu, Susumu Okumura, Hiroshi Fujita

Proceedings Volume 9785, 97852F (2016) https://doi.org/10.1117/12.2216572

KEYWORDS: Blood vessels, Feature extraction, Computer aided design, Image segmentation, Artificial neural networks, Databases, Receivers, Eye, Retina, Image filtering, Optical filters, Blood, Systems engineering

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Proceedings Article | 18 March 2014 Paper

Preliminary study on differentiation between glaucomatous and non-glaucomatous eyes on stereo fundus images using cup gradient models

Chisako Muramatsu, Yuji Hatanaka, Kyoko Ishida, Akira Sawada, Tetsuya Yamamoto, Hiroshi Fujita

Proceedings Volume 9035, 903533 (2014) https://doi.org/10.1117/12.2043409

KEYWORDS: Eye models, Image segmentation, Eye, Model-based design, Systems modeling, Photography, Cameras, Databases, Medicine, Ophthalmology

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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 | 9 March 2011 Paper

Automatic arteriovenous crossing phenomenon detection on retinal fundus images

Yuji Hatanaka, Chisako Muramatsu, Takeshi Hara, Hiroshi Fujita

Proceedings Volume 7963, 79633V (2011) https://doi.org/10.1117/12.877232

KEYWORDS: Veins, Arteries, Blood vessels, Image filtering, Computer aided diagnosis and therapy, Diagnostics, Capillaries, Detector development, Image segmentation, Retina

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Proceedings Article | 9 March 2010 Paper

Automated detection and classification of major retinal vessels for determination of diameter ratio of arteries and veins

Chisako Muramatsu, Yuji Hatanaka, Tatsuhiko Iwase, Takeshi Hara, Hiroshi Fujita

Proceedings Volume 7624, 76240J (2010) https://doi.org/10.1117/12.843898

KEYWORDS: Arteries, Veins, Image segmentation, Blood vessels, Gold, Databases, Image classification, Image filtering, Digital imaging, Blood pressure

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Proceedings Article | 9 March 2010 Paper

Vertical cup-to-disc ratio measurement for diagnosis of glaucoma on fundus images

Yuji Hatanaka, Atsushi Noudo, Chisako Muramatsu, Akira Sawada, Takeshi Hara, Tetsuya Yamamoto, Hiroshi Fujita

Proceedings Volume 7624, 76243C (2010) https://doi.org/10.1117/12.843775

KEYWORDS: Blood vessels, Computer aided diagnosis and therapy, Cameras, Medicine, Edge detection, Ear, Diagnostics, Optical filters, Image filtering, Channel projecting optics

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SPIE Journal Paper | 1 January 2010 Open Access

Detection of retinal nerve fiber layer defects on retinal fundus images for early diagnosis of glaucoma

Chisako Muramatsu, Yoshinori Hayashi, Akira Sawada, Yuji Hatanaka, Takeshi Hara, Tetsuya Yamamoto, Hiroshi Fujita

JBO, Vol. 15, Issue 01, 016021, (January 2010) https://doi.org/10.1117/12.10.1117/1.3322388

KEYWORDS: Image filtering, Blood vessels, Optical discs, Nerve, Computing systems, Databases, Medicine, Photography, Gaussian filters, Visualization

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Proceedings Article | 5 March 2009 Open Access

Automated microaneurysm detection method based on double ring filter in retinal fundus images

Atsushi Mizutani, Chisako Muramatsu, Yuji Hatanaka, Shinsuke Suemori, Takeshi Hara, Hiroshi Fujita

Proceedings Volume 7260, 72601N (2009) https://doi.org/10.1117/12.813468

KEYWORDS: Blood vessels, Gold, Databases, Image filtering, CAD systems, Computer aided diagnosis and therapy, Image classification, Artificial neural networks, Angiography, Image processing

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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

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 | 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 | 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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Proceedings Article | 12 May 2004 Paper

Automated analysis of the distributions and geometries of blood vessels on retinal fundus images

Yuji Hatanaka, Takeshi Hara, Hiroshi Fujita, Masaru Aoyama, Hideya Uchida, Testuya Yamamoto

Proceedings Volume 5370, (2004) https://doi.org/10.1117/12.534632

KEYWORDS: Blood vessels, Image segmentation, Optical discs, Computer aided diagnosis and therapy, Diagnostics, Arteries, Image processing, Detection and tracking algorithms, Computing systems, CAD systems

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Showing 5 of 21 publications

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