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Proceedings Paper

Gastrointestinal tract volume measurement method using a compound eye type endoscope
Author(s): Kayo Yoshimoto; Kenji Yamada; Kenji Watabe; Michiko Kido; Toshiaki Nagakura; Hideya Takahashi; Tsutomu Nishida; Hideki Iijima; Masahiko Tsujii; Tetsuo Takehara; Yuko Ohno
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Paper Abstract

We propose an intestine volume measurement method using a compound eye type endoscope. This method aims at assessment of the gastrointestinal function. Gastrointestinal diseases are mainly based on morphological abnormalities. However, gastrointestinal symptoms are sometimes apparent without visible abnormalities. Such diseases are called functional gastrointestinal disorder, for example, functional dyspepsia, and irritable bowel syndrome. One of the major factors for these diseases is abnormal gastrointestinal motility. For the diagnosis of the gastrointestinal tract, both aspects of organic and functional assessment is important. While endoscopic diagnosis is essential for assessment of organic abnormalities, three-dimensional information is required for assessment of the functional abnormalities. Thus, we proposed the three dimensional endoscope system using compound eye. In this study, we forces on the volume of gastrointestinal tract. The volume of the gastrointestinal tract is thought to related its function. In our system, we use a compound eye type endoscope system to obtain three-dimensional information of the tract. The volume can be calculated by integrating the slice data of the intestine tract shape using the obtained three-dimensional information. First, we evaluate the proposed method by known-shape tube. Then, we confirm that the proposed method can measure the tract volume using the tract simulated model. Our system can assess the wall of gastrointestinal tract directly in a three-dimensional manner. Our system can be used for examination of gastric morphological and functional abnormalities.

Paper Details

Date Published: 4 March 2015
PDF: 6 pages
Proc. SPIE 9313, Advanced Biomedical and Clinical Diagnostic and Surgical Guidance Systems XIII, 93131I (4 March 2015); doi: 10.1117/12.2080949
Show Author Affiliations
Kayo Yoshimoto, Osaka City Univ. (Japan)
Kenji Yamada, Osaka Univ. (Japan)
Kenji Watabe, Osaka Univ. (Japan)
Michiko Kido, Osaka Univ. (Japan)
Toshiaki Nagakura, Osaka Electro-Communication Univ. (Japan)
Hideya Takahashi, Osaka City Univ. (Japan)
Tsutomu Nishida, Osaka Univ. (Japan)
Hideki Iijima, Osaka Univ. (Japan)
Masahiko Tsujii, Osaka Univ. (Japan)
Tetsuo Takehara, Osaka Univ. (Japan)
Yuko Ohno, Osaka Univ. (Japan)


Published in SPIE Proceedings Vol. 9313:
Advanced Biomedical and Clinical Diagnostic and Surgical Guidance Systems XIII
Anita Mahadevan-Jansen; Tuan Vo-Dinh; Warren S. Grundfest; Quan Liu, Editor(s)

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