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논문 기본 정보

자료유형
학술저널
저자정보
에르덴바야르 (후레정보통신대학교) 전유용 (인하대학교) 박규석 (인하대학교) 송영록 (인하대학교) 이상민 (인하대학교)
저널정보
대한전기학회 전기학회논문지 전기학회논문지 제60권 제5호
발행연도
2011.5
수록면
1,055 - 1,061 (7page)

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초록· 키워드

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In this study, main parameters: aperture, first bend and second bend which express a structure of ear canal are extracted in order to modeling and manufacture the ready-made ear shells of hearing aids. The proposed parameter extraction method consists of 2 important algorithms, aperture detection and feature detection. In the aperture detection algorithm, aperture of 3-D scanned virtual ear impression and parameters relating to ear shell of hearing aid are determined. The feature detection algorithm detects first bend, second bend, and related parameters. Through these two algorithms, parameters for aperture, first bend, and second bend are extracted to model the ready-made ear shell of hearing aid. The values of these extracted parameters from 36 people’s right ear impression are analyzed and measured statistically. As a result of the analysis, it has been found that it is possible to classify ready-made ear shell parameters by age and size. The ready-made ear shell parameters are classified 3-size for 20 years old and 2-size for 60 years olde. Using 3D rhino program, virtual ready-made ear shell is reconstructed by parameters of every type, and simulated to model it. A final product was produced by transferring simulation result with rapid prototyping system. The modeled ready-made ear shell is evaluated with the objective and subjective method. Objective method is the comparison volume ratio and overlapped volume ratio of ear impression from randomly chosen 18 people and ready-made ear shell. And subjective method is that the final product of ready-made ear shell is used by users and the satisfaction number drawn from well fitting and comfortable testing was evaluated. In the result of the evaluation, it has been found that volume ration is 70%, big and middle size ready-made ear shell products are possible, and the satisfaction number is high.

목차

Abstract
1. 서론
2. 파라미터 도출 알고리즘
3. 실험 결과 및 평가
4. 결론
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UCI(KEPA) : I410-ECN-0101-2012-560-004483629