Retinopathy online challenge: automatic detection of microaneurysms in digital color fundus photographs

…, J You, A Mayo, Q Li, Y Hatanaka… - IEEE transactions on …, 2009 - ieeexplore.ieee.org
The detection of microaneurysms in digital color fundus photographs is a critical first step in
automated screening for diabetic retinopathy (DR), a common complication of diabetes. To …

Computer-aided diagnosis: The emerging of three CAD systems induced by Japanese health care needs

…, T Nakagawa, D Fukuoka, Y Hatanaka… - Computer methods and …, 2008 - Elsevier
The aim of this paper is to describe three emerging computer-aided diagnosis (CAD) systems
induced by Japanese health care needs. CAD has been developing fast in the last two …

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

A Mizutani, C Muramatsu, Y Hatanaka… - Medical Imaging …, 2009 - spiedigitallibrary.org
The presence of microaneurysms in the eye is one of the early signs of diabetic retinopathy,
which is one of the leading causes of vision loss. We have been investigating a …

Automated segmentation of optic disc region on retinal fundus photographs: Comparison of contour modeling and pixel classification methods

…, T Nakagawa, A Sawada, Y Hatanaka… - Computer methods and …, 2011 - Elsevier
The automatic determination of the optic disc area in retinal fundus images can be useful for
calculation of the cup-to-disc (CD) ratio in the glaucoma screening. We compared three …

Automatic measurement of cup to disc ratio based on line profile analysis in retinal images

Y Hatanaka, A Noudo, C Muramatsu… - … Conference of the …, 2011 - ieeexplore.ieee.org
Retinal image examination is useful for early detection of glaucoma, which is a leading cause
of permanent blindness. In order to evaluate the presence of glaucoma, ophthalmologists …

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

…, Y Hayashi, A Sawada, Y Hatanaka… - … of biomedical optics, 2010 - spiedigitallibrary.org
Retinal nerve fiber layer defect (NFLD) is a major sign of glaucoma, which is the second
leading cause of blindness in the world. Early detection of NFLDs is critical for improved …

Automated microaneurysm detection method based on double-ring filter and feature analysis in retinal fundus images

Y Hatanaka, T Inoue, S Okumura… - 2012 25th IEEE …, 2012 - ieeexplore.ieee.org
Microaneurysm in the retina is one of the signs of simple diabetic retinopathy. We have been
investigating a computerized method for the detection of microaneurysms on retinal fundus …

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

Y Hatanaka, A Noudo, C Muramatsu… - Medical Imaging …, 2010 - spiedigitallibrary.org
Glaucoma is a leading cause of permanent blindness. Retinal fundus image examination is
useful for early detection of glaucoma. In order to evaluate the presence of glaucoma, the …

Automated selection of major arteries and veins for measurement of arteriolar-to-venular diameter ratio on retinal fundus images

C Muramatsu, Y Hatanaka, T Iwase, T Hara… - … medical imaging and …, 2011 - Elsevier
An automated method for measurement of arteriolar-to-venular diameter ratio (AVR) is
presented. The method includes optic disc segmentation for the determination of the AVR …

Development of an automated method for detecting mammographic masses with a partial loss of region

Y Hatanaka, T Hara, H Fujita, S Kasai… - … on medical imaging, 2001 - ieeexplore.ieee.org
Recently, we have been developing several automated algorithms for detecting masses on
mammograms. For our algorithm, we devised an adaptive thresholding technique for …