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http://dx.doi.org/10.3745/KIPSTB.2006.13B.7.671

Robust Estimation of Camera Motion using Fuzzy Classification Method  

Lee, Joong-Jae (한국과학기술연구원 지능로봇연구센터)
Kim, Gye-Young (숭실대학교 컴퓨터학부)
Choi, Hyung-Il (숭실대학교 미디어학부)
Abstract
In this paper, we propose a method for robustly estimating camera motion using fuzzy classification from the correspondences between two images. We use a RANSAC(Random Sample Consensus) algorithm to obtain accurate camera motion estimates in the presence of outliers. The drawback of RANSAC is that its performance depends on a prior knowledge of the outlier ratio. To resolve this problem the proposed method classifies samples into three classes(good sample set, bad sample set and vague sample set) using fuzzy classification. It then improves classification accuracy omitting outliers by iteratively sampling in only good sample set. The experimental results show that the proposed approach is very effective for computing a homography.
Keywords
Camera Motion; Homography; Fuzzy Classification; Ransac; Outlier;
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