Dr. Tatsuro Hayashi Profile

Dr. Tatsuro Hayashi

at I-Tech Co Ltd

SPIE Involvement:

Author

Publications (17)

Proceedings Article | 7 April 2023 Poster + Paper

Recognition of tooth numbers and conditions on dental panoramic radiographs for assisting dental chart filing

Chisako Muramatsu, Koki Sakai, Yuta Seino, Ryo Takahashi, Tatsuro Hayashi, Wataru Nishiyama, Xiangrong Zhou, Takeshi Hara, Akitoshi Katsumata, Hiroshi Fujita

Proceedings Volume 12465, 1246539 (2023) https://doi.org/10.1117/12.2655306

KEYWORDS: Teeth, Panoramic photography, Radiography, Object detection, Cross validation, Diagnostics

Read Abstract +

SPIE Journal Paper | 22 June 2022

Tooth recognition of 32 tooth types by branched single shot multibox detector and integration processing in panoramic radiographs

Takumi Morishita, Chisako Muramatsu, Yuta Seino, Ryo Takahashi, Tatsuro Hayashi, Wataru Nishiyama, Xiangrong Zhou, Takeshi Hara, Akitoshi Katsumata, Hiroshi Fujita

JMI, Vol. 9, Issue 03, 034503, (June 2022) https://doi.org/10.1117/12.10.1117/1.JMI.9.3.034503

KEYWORDS: Teeth, Sensors, Panoramic photography, Radiography, Target detection, Performance modeling, Image segmentation, Neural networks, Medical imaging, Image classification

Read Abstract +

Proceedings Article | 1 May 2022 Paper

Detection and classification of 32 tooth types in dental panoramic radiographs using single CNN model and post-processing

Takumi Morishita, Chisako Muramatsu, Yuta Seino, Ryo Takahashi, Tatsuro Hayashi, Wataru Nishiyama, Xiangrong Zhou, Takeshi Hara, Akitoshi Katsumata, Hiroshi Fujita

Proceedings Volume 12177, 121771T (2022) https://doi.org/10.1117/12.2625961

KEYWORDS: Teeth, Radiography, Panoramic photography, Image classification, Target detection, Target recognition, Sensors, Medical imaging, Image processing, Dentistry

Read Abstract +

Proceedings Article | 15 February 2021 Poster + Presentation + Paper

Tooth recognition and classification using multi-task learning and post-processing in dental panoramic radiographs

Takumi Morishita, Chisako Muramatsu, Xiangrong Zhou, Ryo Takahashi, Tatsuro Hayashi, Wataru Nishiyama, Takeshi Hara, Yoshiko Ariji, Eiichiro Ariji, Akitoshi Katsumata, Hiroshi Fujita

Proceedings Volume 11597, 115971X (2021) https://doi.org/10.1117/12.2582046

KEYWORDS: Teeth, Radiography, Panoramic photography, Sensors, Image classification

Read Abstract +

Proceedings Article | 2 March 2020 Paper

Tooth numbering in cone-beam CT using a relation network for automatic filing of dentition charts

Chisako Muramatsu, Shota Kutsuna, Ryo Takahashi, Tatsuro Hayashi, Wataru Nishiyama, Yoshiko Ariji, Xiangrong Zhou, Takeshi Hara, Akitoshi Katsumata, Eiichiro Ariji, Hiroshi Fujita

Proceedings Volume 11318, 113180L (2020) https://doi.org/10.1117/12.2550933

KEYWORDS: Teeth, Computed tomography, Image segmentation, Dentistry, Diagnostics, Forensic science, Databases

Read Abstract +

Proceedings Article | 27 February 2018 Paper

Measurement of hard tissue density based on image density of intraoral radiograph

Akitoshi Katsumata, Tatsumasa Fukui, Shinji Shimoda, Kaoru Kobayashi, Tatsuro Hayashi

Proceedings Volume 10575, 105752H (2018) https://doi.org/10.1117/12.2294957

KEYWORDS: Bone, Minerals, Dual energy x-ray absorptiometry, X-rays, Radiography, Teeth, X-ray imaging, X-ray detectors, Sensors, Tissues

Read Abstract +

Proceedings Article | 3 March 2017 Paper

Tooth labeling in cone-beam CT using deep convolutional neural network for forensic identification

Yuma Miki, Chisako Muramatsu, Tatsuro Hayashi, Xiangrong Zhou, Takeshi Hara, Akitoshi Katsumata, Hiroshi Fujita

Proceedings Volume 10134, 101343E (2017) https://doi.org/10.1117/12.2254332

KEYWORDS: Convolutional neural networks, Teeth, Computed tomography, Neural networks, Forensic science, Image classification, Image analysis, Network architectures, Convolution, Imaging systems, Machine learning, X-ray computed tomography, Image segmentation, X-ray imaging, X-rays, Facial recognition systems

Read Abstract +

Proceedings Article | 20 March 2015 Paper

Automated classification of mandibular cortical bone on dental panoramic radiographs for early detection of osteoporosis

Kazuki Horiba, Chisako Muramatsu, Tatsuro Hayashi, Tatsumasa Fukui, Takeshi Hara, Akitoshi Katsumata, Hiroshi Fujita

Proceedings Volume 9414, 94142J (2015) https://doi.org/10.1117/12.2081512

KEYWORDS: Bone, Computer aided diagnosis and therapy, Panoramic photography, Radiography, FDA class I medical device development, Computing systems, Dentistry, Minerals, FDA class II medical device development, Neodymium

Read Abstract +

Proceedings Article | 18 March 2014 Paper

Toward early diagnosis of arteriosclerotic diseases: collaborative detection of carotid artery calcifications by computer and dentists on dental panoramic radiographs

Chisako Muramatsu, Ryo Takahashi, Takeshi Hara, Tatsuro Hayashi, Akitoshi Katsumata, Xiangrong Zhou, Hiroshi Fujita

Proceedings Volume 9035, 903521 (2014) https://doi.org/10.1117/12.2043407

KEYWORDS: Panoramic photography, Computer aided diagnosis and therapy, Radiography, Arteries, Teleradiology, Diagnostics, Feature selection, Imaging systems, Clinical trials, Image processing

Read Abstract +

Proceedings Article | 23 February 2012 Paper

Automated scheme for measuring mandibular cortical thickness on dental panoramic radiographs for osteoporosis screening

T. Matsumoto, T. Hayashi, T. Hara, A. Katsumata, C. Muramatsu, X. Zhou, Y. Iida, M. Matsuoka, Ki. Katagi, H. Fujita

Proceedings Volume 8315, 83152L (2012) https://doi.org/10.1117/12.912309

KEYWORDS: Panoramic photography, Radiography, Bone, CAD systems, Computer aided diagnosis and therapy, Clinical trials, Sensors, Information technology, Radiology, Minerals

Read Abstract +

Proceedings Article | 23 February 2012 Paper

A new screening pathway for identifying asymptomatic patients using dental panoramic radiographs

Tatsuro Hayashi, Takuya Matsumoto, Tsuyoshi Sawagashira, Motoki Tagami, Akitoshi Katsumata, Yoshinori Hayashi, Chisako Muramatsu, Xiangrong Zhou, Yukihiro Iida, Masato Matsuoka, Kiyoji Katagi, Hiroshi Fujita

Proceedings Volume 8315, 83152K (2012) https://doi.org/10.1117/12.911791

KEYWORDS: Panoramic photography, CAD systems, Computer aided diagnosis and therapy, Radiography, Picture Archiving and Communication System, Arteries, Clinical trials, Computer aided design, Image processing, Medical imaging

Read Abstract +

Proceedings Article | 15 March 2011 Paper

A decision support scheme for vertebral geometry on body CT scans

Tatsuro Hayashi, Huayue Chen, Kei Miyamoto, Xiangrong Zhou, Takeshi Hara, Ryujiro Yokoyama, Masayuki Kanematsu, Hiroaki Hoshi, Hiroshi Fujita

Proceedings Volume 7962, 796245 (2011) https://doi.org/10.1117/12.877516

KEYWORDS: Computed tomography, Bone, Medicine, Medical imaging, Spine, Minerals, Magnesium, Radiology, Computer aided design, Target detection

Read Abstract +

Proceedings Article | 14 March 2011 Paper

A computerized scheme for localization of vertebral bodies on body CT scans

Tatsuro Hayashi, Huayue Chen, Kei Miyamoto, Xiangrong Zhou, Takeshi Hara, Ryujiro Yokoyama, Masayuki Kanematsu, Hiroaki Hoshi, Hiroshi Fujita

Proceedings Volume 7962, 796238 (2011) https://doi.org/10.1117/12.877511

KEYWORDS: Computed tomography, Bone, Spine, Image processing, X-ray computed tomography, Image segmentation, Medicine, Statistical modeling, Medical imaging, Visualization

Read Abstract +

Proceedings Article | 9 March 2011 Paper

Automated contralateral subtraction of dental panoramic radiographs for detecting abnormalities in paranasal sinus

Takeshi Hara, Shintaro Mori, Takashi Kaneda, Tatsuro Hayashi, Akitoshi Katsumata, Hiroshi Fujita

Proceedings Volume 7963, 79632R (2011) https://doi.org/10.1117/12.878581

KEYWORDS: Panoramic photography, Radiography, Image filtering, Image registration, Computed tomography, Opacity, Inflammation, Feature extraction, Teeth, Denoising

Read Abstract +

Proceedings Article | 13 March 2010 Paper

Automated extraction method for the center line of spinal canal and its application to the spinal curvature quantification in torso x-ray CT images

Tatsuro Hayashi, Xiangrong Zhou, Huayue Chen, Takeshi Hara, Kei Miyamoto, Tatsunori Kobayashi, Ryujiro Yokoyama, Masayuki Kanematsu, Hiroaki Hoshi, Hiroshi Fujita

Proceedings Volume 7623, 76233F (2010) https://doi.org/10.1117/12.843956

KEYWORDS: X-ray computed tomography, Spine, X-rays, X-ray imaging, Medicine, Tissues, Radiology, 3D image processing, 3D vision, Scanners

Read Abstract +

Proceedings Article | 28 March 2009 Open Access

Automated segmentation and recognition of the bone structure in non-contrast torso CT images using implicit anatomical knowledge

X. Zhou, T. Hayashi, M. Han, H. Chen, T. Hara, H. Fujita, R. Yokoyama, M. Kanematsu, H. Hoshi

Proceedings Volume 7259, 72593S (2009) https://doi.org/10.1117/12.812945

KEYWORDS: Bone, Image segmentation, X-ray computed tomography, Computed tomography, Computer aided diagnosis and therapy, Tissues, Medicine, Radiology, X-rays, Computing systems

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 12 May 2004 Paper

Automatic recognition of lung lobes and fissures from multislice CT images

Xiangrong Zhou, Tatsuro Hayashi, Takeshi Hara, Hiroshi Fujita, Ryujiro Yokoyama, Takuji Kiryu, Hiroaki Hoshi

Proceedings Volume 5370, (2004) https://doi.org/10.1117/12.534499

KEYWORDS: Lung, Computed tomography, Chest, Image processing, 3D image processing, Image segmentation, Tissues, Computer aided diagnosis and therapy, CAD systems, Edge detection

Read Abstract +

Showing 5 of 17 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years