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DLT를 이용한 3차원 공간검증시 RMSE에 대한 통계학적 분석
이현섭,김기형 한국운동역학회 2003 한국운동역학회지 Vol.13 No.1
Lee, H-S, and Kim, K-H. Statistical analysis for RMSE of 3D space calibration using the DLT. Korean Journal of Sport Biomechanics, Vol. 13, N. 1, pp.1-12 The purpose of this study was to design the method of 3D space calibration to reduce RMSE by statistical analysis when using the DLT algorithm and control frame. Control frame for 3D calibration was consist of 1×3×2m and 162 contorl points adhere to it. For calculate of 3D coordination used two methods about 2D coordination analysis used one-wat ANOVA and T-test. Significant level was α= .05. The compose of methods for reduce RMSE were as follow. 1. Use the control frame composed of 24-44 control points arranged equally. 2. When photographing, locate control frame to center of image plane(image frame) or use the lens of a few distortion. 3. When calculate of 3D coordination, use mean of 2D coordinate obtainable from all image frames.