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3D Reconstruction using a Moving Planar Mirror  

장경호 (경북대학교 컴퓨터공학과)
이동훈 (동서대학교 디지털공학과)
정순기 (경북대학교 컴퓨터공학과)
Publication Information
Journal of KIISE:Software and Applications / v.31, no.11, 2004 , pp. 1543-1550 More about this Journal
Abstract
Modeling from images is a cost-effective means of obtaining 3D geometric models. These models can be effectively constructed from classical Structure from Motion algorithm. However, it's too difficult to reconstruct whole scenes using SFM method since general sites contain a very complex shapes and brilliant colours. To overcome this difficulty, the current paper proposes a new reconstruction method based on a moving Planar mirror. We devise the mirror posture instead of scene itself as a cue for reconstructing the geometry That implies that the geometric cues are inserted into the scene by compulsion. With this method, we can obtain the geometric details regardless of the scene complexity. For this purpose, we first capture image sequences through the moving mirror containing the interested scene, and then calibrate the camera through the mirror's posture. Since the calibration results are still inaccurate due to the detection error, the camera pose is revised using frame-correspondence of the comer points that are easily obtained using the initial camera posture. Finally, 3D information is computed from a set of calibrated image sequences. We validate our approach with a set of experiments on some complex objects.
Keywords
3D reconstruction; camera calibration;
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