Presentation | 1995/5/26 Canonical Correlation Analysis of Cranial and Mandibular Movements Nobuyuki Yagi, Toyohiko Hayashi, Michio Miyakawa, |
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Abstract(in Japanese) | (See Japanese page) |
Abstract(in English) | Since the sternocleidmastoid muscle was discovered to possess an activity synchronized with the masticatory muscles, the co-operating of cranial and mandibular movements gradually attracts much attention in dentistry. Conventional analysis of this co-operation, however, was still restricted to a qualitative level. In order to expand this to a quantitative analysis, we proposed a canonical correlation analysis of the 3D movement of the mandibular incisor and the fluctuation or the cranial orientation. The canonical correlation coefficient is computed for these two vectors lasted for duration T centered at every time t. Duration T is determined so as to maximize the variation of the time series of this coefficient. Through experiments employing data of a habitual open/close movement, the canonical correlation coefficient usually increased during the open/close phases, and decreased during the occlusal phase. Thus our methodology can be considered to be effective for detecting the co-operation of cranial and mandibular movements. |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | mandibular movement / cranial movement / canonical correlation / time-series analysis / incisal trajectory / cranial orientation |
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Committee | MBE |
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Conference Date | 1995/5/26(1days) |
Place (in Japanese) | (See Japanese page) |
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Topics (in Japanese) | (See Japanese page) |
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Registration To | ME and Bio Cybernetics (MBE) |
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Language | JPN |
Title (in Japanese) | (See Japanese page) |
Sub Title (in Japanese) | (See Japanese page) |
Title (in English) | Canonical Correlation Analysis of Cranial and Mandibular Movements |
Sub Title (in English) | |
Keyword(1) | mandibular movement |
Keyword(2) | cranial movement |
Keyword(3) | canonical correlation |
Keyword(4) | time-series analysis |
Keyword(5) | incisal trajectory |
Keyword(6) | cranial orientation |
1st Author's Name | Nobuyuki Yagi |
1st Author's Affiliation | Graduate School of Science and Technology() |
2nd Author's Name | Toyohiko Hayashi |
2nd Author's Affiliation | Graduate School of Science and Technology |
3rd Author's Name | Michio Miyakawa |
3rd Author's Affiliation | Department of Information Engineering, Faculty of Engineering, Niigata University |
Date | 1995/5/26 |
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Volume (vol) | vol.95 |
Number (no) | 84 |
Page | pp.pp.- |
#Pages | 8 |
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