Hironobu Ohmatsu

Shinsuke Saita, Mitsuru Kubo, Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Noriyuki Moriyama: An algorithm for the extraction of pulmonary fissures from low-dose multislice CT image. Systems and Computers in Japan 37(9): 63-76 (2006)

Yasushi Hirano, Jun-ichi Hasegawa, Jun-ichiro Toriwaki, Hironobu Ohmatsu, Kenji Eguchi: Interactive method to extract tumor regions from chest X-ray CT images and its application to benign/malignant discrimination. Systems and Computers in Japan 36(8): 90-101 (2005)

Yoshiki Kawata, Hiroaki Kubo, Noboru Niki, Hironobu Ohmatsu, Noriyuki Moriyama: A study of three-dimensional curvatures and curvatures of four-dimensional hypersurface for analyzing pulmonary nodules on high-resolution CT images. Systems and Computers in Japan 36(10): 16-29 (2005)

Yasushi Hirano, Jun-ichi Hasegawa, Jun-ichiro Toriwaki, Hironobu Ohmatsu, Kenji Eguchi: Recognition of boundary voxels of tumors in chest CT images for extraction of tumor regions. CARS 2004: 1359

Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Masahiko Kusumoto, Ryutaro Kakinuma, Kouzo Yamada, Kiyoshi Mori, Hiroyuki Nishiyama, Kenji Eguchi, Masahiro Kaneko, Noriyuki Moriyama: Pulmonary Nodule Classification Based on Nodule Retrieval from 3-D Thoracic CT Image Database. MICCAI (2) 2004: 838-846

Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Masahiko Kusumoto, Ryutaro Kakinuma, Kensaku Mori, Hiroyuki Nishiyama, Kenji Eguchi, Masahiro Kaneko, Noriyuki Moriyama: Three-dimensional CT image retrieval in a database of pulmonary nodules. ICIP (3) 2002: 149-152

Yasushi Hirano, Jun-ichi Hasegawa, Jun-ichiro Toriwaki, Hironobu Ohmatsu, Kenji Eguchi: Quantification of Shrinkage of Lung Lobe from Chest CT Images Using the 3D Extended Voronoi Division and its Application to the Benign/Malignant Discrimination of Tumor Shadows. ICPR (1) 2002: 751-754

Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Masahiko Kusumoto, Ryutaro Kakinuma, Kensaku Mori, Hiroyuki Nishiyama, Kenji Eguchi, Masahiro Kaneko, Noriyuki Moriyama: Searching similar images for classification of pulmonary nodules in three-dimensional CT images. ISBI 2002: 189-192

Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Noriyuki Moriyama: Example-Based Assisting Approach for Pulmonary Nodule Classification in 3-D Thoracic CT Images. MICCAI (1) 2002: 793-800

Hiroshi Mizushima, Eiko Uchiyama, Hiroshi Nagata, Yoshihiro Matsuno, Ryuzo Sekiguchi, Hironobu Ohmatsu, Fumihiko Hojo, Tadakazu Shimoda, Fumihiko Wakao, Tetsu Shinkai, Naohito Yamaguchi, Noriyuki Moriyama, Tadao Kakizoe, Kaoru Abe, Masaaki Terada: Japanese experience of telemedicine in oncology. I. J. Medical Informatics 61(2-3): 207-215 (2001)

Tetsuya Tozaki, Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu: Extraction and classification of pulmonary organs based on thoracic 3D CT images. Systems and Computers in Japan 32(9): 42-53 (2001)

Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu: Curvature-based internal structure analysis of pulmonary nodules using thoracic 3D CT images. Systems and Computers in Japan 32(11): 9-19 (2001)

Mitsuru Kubo, T. Yamamoto, Yoshiki Kawata, Noboru Niki, Kenji Eguchi, Hironobu Ohmatsu, Ryutaro Kakinuma, Masahiro Kaneko, Masahiko Kusumoto, Noriyuki Moriyama, Kensaku Mori, Hiroyuki Nishiyama: CAD system to support comparative reading for lung cancer based on helical CT images. CARS 2001: 615-620

Yasushi Hirano, Jun-ichi Hasegawa, Jun-ichiro Toriwaki, Hironobu Ohmatsu, Kenji Eguchi: Extraction of tumor regions keeping boundary shape information from chest X-ray CT images and benign/malignant discrimination. CARS 2001: 659-664

Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Masahiko Kusumoto, Ryutaro Kakinuma, Kensaku Mori, Hiroyuki Nishiyama, Kenji Eguchi, Masahiro Kaneko, Noriyuki Moriyama: Computer-aided classification of benign and malignant pulmonary nodules in three-dimensional thoracic CT images based on a hybrid classifier. CARS 2001: 1297-1298

Kazuhiro Minami, Yoshiki Kawata, Noboru Niki, Kensaku Mori, Hironobu Ohmatsu, Ryutaro Kakinuma, Kenji Eguchi, Masahiko Kusumoto, Masahiro Kaneko, Noriyuki Moriyama: Patterns for classifying pulmonary nodules based on dynamic CT images. CARS 2001: 1305-1306

Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Masahiko Kusumoto, Ryutaro Kakinuma, Kensaku Mori, Hiroyuki Nishiyama, Kenji Eguchi, Masahiro Kaneko, Noriyuki Moriyama: Analysis of evolving processes in pulmonary nodules using a sequence of three-dimensional thoracic images. CARS 2001: 1307-1308

Yoshiki Kawata, Hironobu Ohmatsu, Ryutaro Kakinuma, Noriyuki Moriyama, Mitsuru Kubo, Noboru Niki, Kenji Eguchi, Masahiro Kaneko, Akira Kubota: The results in the clinical trial of CAD system for lung cancer using helical CT images. ICIP (1) 2001: 313-316

Tsutomu Mukaibo, Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Ryutaro Kakinuma, Masahiro Kaneko, Kenji Eguchi, Noriyuki Moriyama: Classification of pulmonary blood vessel using multidetector-row CT images. ICIP (2) 2001: 841-844

Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Masahiko Kusumoto, Ryutaro Kakinuma, Kensaku Mori, Hiroyuki Nishiyama, Kenji Eguchi, Masahiro Kaneko, Noriyuki Moriyama: Computerized analysis of 3-D pulmonary nodule images in surrounding and internal structure feature spaces. ICIP (2) 2001: 889-892

Kazuhiro Minami, Yoshiki Kawata, Noboru Niki, Kiyoshi Mori, Hironobu Ohmatsu, Ryutaro Kakinuma, Kenji Eguchi, Masahiko Kusumoto, Masahiro Kaneko, Noriyuki Moriyama: Computerized characterization of contrast enhancement patterns for classifying pulmonary nodules. ICIP (2) 2001: 897-900

Mitsuru Kubo, Yoshiki Kawata, Noboru Niki, Kenji Eguchi, Hironobu Ohmatsu, Ryutaro Kakinuma, Masahiro Kaneko, Masahiko Kusumoto, Noriyuki Moriyama, Kensaku Mori, Hiroyuki Nishiyama: Automatic extraction of pulmonary fissures from multidetector-row CT images. ICIP (3) 2001: 1091-1094

Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Masahiko Kusumoto, Ryutaro Kakinuma, Kensaku Mori, Hiroyuki Nishiyama, Kenji Eguchi, Masahiro Kaneko, Noriyuki Moriyama: Analysis of Pulmonary Nodule Evolutions Using a Sequence of Three-Dimensional Thoracic CT Images. MICCAI 2001: 103-110

Mitsuru Kubo, T. Yamamoto, Yoshiki Kawata, Noboru Niki, Kenji Eguchi, Hironobu Ohmatsu, Ryutaro Kakinuma, Masahiro Kaneko, Masahiko Kusumoto, Noriyuki Moriyama, Kensaku Mori, Hiroyuki Nishiyama: CAD System for the Assistance of Comparative Reading for Lung Cancer Using Serial Helical CT Images. MICCAI 2001: 1388-1390

Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Masahiko Kusumoto, Ryutaro Kakinuma, Kensaku Mori, Hiroyuki Nishiyama, Kenji Eguchi, Masahiro Kaneko, Noriyuki Moriyama: Computer-Aided Diagnosis of Pulmonary Nodules Using Three-Dimensional Thoracic CT Images. MICCAI 2001: 1393-1394

Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Masahiko Kusumoto, Ryutaro Kakinuma, Kensaku Mori, Hiroyuki Nishiyama, Kenji Eguchi, Masahiro Kaneko, Noriyuki Moriyama: Internal Structure Analysis of Pulmonary Nodules in Topological and Histogram Feature Spaces. ICIP 2000: 168-171

N. Takagi, Yoshiki Kawata, Noboru Niki, Kensaku Mori, Hironobu Ohmatsu, Ryutaro Kakinuma, Kenji Eguchi, Masahiko Kusumoto, Masahiro Kaneko, Noriyuki Moriyama: Computerized Characterization of Contrast Enhancement Patterns for Classifying Pulmonary Nodules. ICIP 2000: 188-191

Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Masahiko Kusumoto, Ryutaro Kakinuma, Kensaku Mori, Hiroyuki Nishiyama, Kenji Eguchi, Masahiro Kaneko, Noriyuki Moriyama: Surrounding Structures Analysis of Pulmonary Nodules Using Differential Geometry Based Vector Fields . ICIP 2000: 424-427

Mitsuru Kubo, Noboru Niki, Kenji Eguchi, Masahiro Kaneko, Masahiko Kusumoto, Noriyuki Moriyama, Hironobu Ohmatsu, Ryutaro Kakinuma, Hiroyuki Nishiyama, Kensaku Mori, Naohito Yamaguchi: Extraction of Pulmonary Fissures from Thin-Section CT Images Using Calculation of Surface-Curvatures and Morphology Filters. ICIP 2000: 637-640

Mitsuru Kubo, Noboru Niki, Kenji Eguchi, Masahiro Kaneko, Masahiko Kusumoto, Noriyuki Moriyama, Hironobu Ohmatsu, Ryutaro Kakinuma, Hiroyuki Nishiyama, Kensaku Mori, A. Yamaguchi: Extraction of Pulmonary Fissures from HRCT Images Based on Surface Curvatures Analysis and Morphology Filters. ICPR 2000: 1490-1493

Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Ryutaro Kakinuma, Masahiko Kusumoto, Masahiro Kaneko, Noriyuki Moriyama, Kensaku Mori, Hiroyuki Nishiyama, Kenji Eguchi: Computerized Analysis of Pulmonary Nodules in Topological and Histogram Feature Spaces. ICPR 2000: 4332-4335

Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Masahiko Kusumoto, Ryutaro Kakinuma, Kensaku Mori, Hiroyuki Nishiyama, Kenji Eguchi, Masahiro Kaneko, Noriyuki Moriyama: Hybrid Classification Approach of Malignant and Benign Pulmonary Nodules Based on Topological and Histogram Features. MICCAI 2000: 297-306

Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Masahiko Kusumoto, Ryutaro Kakinuma, Kensaku Mori, Hiroyuki Nishiyama, Kenji Eguchi, Masahiro Kaneko, Noriyuki Moriyama: Differential Geometry Based Vector Fields for Characterizing Surrounding Structures of Pulmonary Nodules. MICCAI 2000: 348-357

Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Ryutaro Kakinuma, Kiyoshi Mori, Kenji Eguchi, Masahiro Kaneko, Noriyuki Moriyama, Masahiko Kusumoto, Hiroyuki Nishiyama: Computer Aided Differential Diagnosis of Pulmonary Nodules Using Curvature Based Analysis. ICIAP 1999: 470-

Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Ryutaro Kakinuma, Masahiko Kusumoto, Kensaku Mori, Hiroyuki Nishiyama, Kenji Eguchi, Masahiro Kaneko, Noriyuki Moriyama: Classification of Pulmonary Nodules in Thin-Section CT Images by Using Multi-Scale Curvature Indexes. ICIP (2) 1999: 197-201

N. Takagi, Yoshiki Kawata, Noboru Niki, Kensaku Mori, Hironobu Ohmatsu, Ryutaro Kakinuma, Kenji Eguchi, Masahiko Kusumoto, Masahiro Kaneko, Noriyuki Moriyama: 3D Analysis of Solitary Pulmonary Nodules Based on Contrast Enhanced Dynamic CT. ICIP (3) 1999: 416-420

Akira Tanaka, Tetsuya Tozaki, Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Ryutaro Kakinuma, Masahiro Kaneko, Kenji Eguchi, Noriyuki Moriyama: Pulmonary Organs Analysis Method and Its Evaluation Based on Thoracic Thin-Section CT Images. ICIP (3) 1999: 421-425

Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Masahiko Kusumoto, Ryutaro Kakinuma, Kensaku Mori, Kenji Eguchi, Masahiro Kaneko, Noriyuki Moriyama: Potential Usefulness of Curvature Based Description for Differential Diagnosis of Pulmonary Nodules. MICCAI 1999: 386-393

Tetsuya Tozaki, Akira Tanaka, Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Ryutaro Kakinuma, Kenji Eguchi, Masahiro Kaneko, Noriyuki Moriyama: Pulmonary Organs Analysis Method and Its Evaluation Based on Thoracic Thin-Section CT Images. MICCAI 1999: 394-401

Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Ryutaro Kakinuma, Kensaku Mori, Kenji Eguchi, Masahiro Kaneko, Noriyuki Moriyama: Curvature based Analysis of Internal Structure of Pulmonary Nodules using Thin-Section CT Images. ICIP (3) 1998: 851-855

Keizo Kanazawa, Yoshiki Kawata, Noboru Niki, Hitoshi Satoh, Hironobu Ohmatsu, Ryutaro Kakinuma, Masahiro Kaneko, Kenji Eguchi, Noriyuki Moriyama: Computer-Aided Diagnostic System for Pulmonary Nodules Using Helical CT Images. MICCAI 1998: 449-456

Yoshiki Kawata, Keizo Kanazawa, S. Toshioka, Noboru Niki, Hitoshi Satoh, Hironobu Ohmatsu, Kenji Eguchi, Noriyuki Moriyama: Computer Aided Diagnosis System for Lung Cancer Based on Helical CT Images. ICIAP (2) 1997: 420-427

Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Ryutaro Kakinuma, Kenji Eguchi, Masahiro Kaneko, Noriyuki Moriyama: Classification of pulmonary nodules in thin-section CT images based on shape characterization. ICIP (3) 1997: 528-530

Mitsuru Kubo, Tetsuya Tozaki, Noboru Niki, S. Nakagawa, Kenji Eguchi, Masahiro Kaneko, Hironobu Ohmatsu, Noriyuki Moriyama, Naohito Yamaguchi: Bias field correction of chest thin section CT images. ICIP (3) 1997: 551-554

Tetsuya Tozaki, Yoshiki Kawata, Noboru Niki, Hironobu Ohmatsu, Kenji Eguchi, Noriyuki Moriyama: 3D image analysis of the lung area using thin section CT images and its application to differential diagnosis. ICIP (2) 1996: 281-284

Keizo Kanazawa, Mitsuru Kubo, Noboru Niki, Hitoshi Satoh, Hironobu Ohmatsu, Kenji Eguchi, Noriyuki Moriyama: Computer Aided Screening System for Lung Cancer Based on Helical CT Images. VBC 1996: 223-228

Keizo Kanazawa, Mitsuru Kubo, Noboru Niki, Hitoshi Satoh, Hironobu Ohmatsu, Kenji Eguchi, Noriyuki Moriyama: Computer Assisted Lung Cancer Diagnosis Based on Helical Images. ICSC 1995: 323-330