[별첨] 바닥제거 (RANSAC) (70%)
RANSAC이란.
동작과정
수행 방법은 무작위로 샘플을 선택(hypothetical inliers라고함) 하여 반복적으로 아래 절차를 진행 한다.
1. A model is fitted to the hypothetical inliers, i.e. all free parameters of the model are reconstructed from the inliers.
2. All other data are then tested against the fitted model and, if a point fits well to the estimated model, also considered as a hypothetical inlier.
3. The estimated model is reasonably good if sufficiently many points have been classified as hypothetical inliers.
4. The model is reestimated from all hypothetical inliers, because it has only been estimated from the initial set of hypothetical inliers.
5. Finally, the model is evaluated by estimating the error of the inliers relative to the model.장/단점
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