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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제9권 제6호
- 발행연도
- 2017.1
- 수록면
- 409 - 415 (7page)
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초록· 키워드
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PURPOSE. Accurate information is essential in dentistry. The image information of missing teeth is used in optically based medical equipment in prosthodontic treatment. To evaluate oral scanners, the standardized model was examined from cases of image recognition errors of linear discriminant analysis (LDA), and a model that combines the variables with reference to ISO 12836:2015 was designed.
MATERIALS AND METHODS. The basic model was fabricated by applying 4 factors to the tooth profile (chamfer, groove, curve, and square) and the bottom surface. Photo-type and video-type scanners were used to analyze 3D images after image capture. The scans were performed several times according to the prescribed sequence to distinguish the model from the one that did not form, and the results confirmed it to be the best.
RESULTS. In the case of the initial basic model, a 3D shape could not be obtained by scanning even if several shots were taken. Subsequently, the recognition rate of the image was improved with every variable factor, and the difference depends on the tooth profile and the pattern of the floor surface.
CONCLUSION. Based on the recognition error of the LDA, the recognition rate decreases when the model has a similar pattern. Therefore, to obtain the accurate 3D data, the difference of each class needs to be provided when developing a standardized model.
목차
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참고문헌 (7)
참고문헌 신청
Moghaddam B / 1997 / Probabilistic visual learning for object representation / IEEE Trans Pattern Anal Mach Intell 19 : 696 ~ 710
Moura DC / 2014 / Real-scale 3D models of the scoliotic spine from biplanar radiography without calibration objects / Comput Med Imaging Graph 38 : 580 ~ 585
Sung KK / 1995 / Learning a distribution-based face model for human face detection / Neural Networks for Signal Processing [1995] V. Proceedings of The 1995 IEEE Workshop
Syrek A / 2010 / Clinical evaluation of all-ceramic crowns fabricated from intraoral digital impressions based on the principle of active wavefront sampling / J Dent 38 : 553
Thalji G / 2014 / Prosthodontic management of implant therapy / Dent Clin North Am 58 : 207 ~ 225
Moura DC / 2014 / Real-scale 3D models of the scoliotic spine from biplanar radiography without calibration objects / Comput Med Imaging Graph 38 : 580 ~ 585
Sung KK / 1995 / Learning a distribution-based face model for human face detection / Neural Networks for Signal Processing [1995] V. Proceedings of The 1995 IEEE Workshop
Syrek A / 2010 / Clinical evaluation of all-ceramic crowns fabricated from intraoral digital impressions based on the principle of active wavefront sampling / J Dent 38 : 553
Thalji G / 2014 / Prosthodontic management of implant therapy / Dent Clin North Am 58 : 207 ~ 225
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