一种基于双目辅助单目的远心结构光系统标定与测量方法及系统

By using a binocular-assisted monocular telecentric structured light system calibration method, and leveraging the mapping relationship between phase difference and height difference, matching errors caused by occlusion and projector calibration errors were resolved, achieving efficient and high-precision 3D reconstruction and measurement.

CN121576953BActive Publication Date: 2026-07-17NANKAI UNIV +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NANKAI UNIV
Filing Date
2025-12-19
Publication Date
2026-07-17

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Abstract

本发明属于光学系统精密检测技术领域，具体涉及一种基于双目辅助单目的远心结构光系统标定与测量方法及系统。方法包括：基于测量系统获得参考平面的相位差值和高度差值，拟合相位差值和高度差值之间的映射关系，实现两个单目相位到高度的标定；基于拟合的相位差值和高度差值之间的映射关系，将待测量物体的相位值转换为高度值和点云坐标，通过点云拼接实现待测物体的三维重构与测量。本发明克服了单目相机镜头标定方法的符号歧义问题，同时避免了传统投影仪标定方法带来的精度和效率问题，规避了物体的相位匹配环节，从而有效避免了遮挡条件下因相位匹配引发的匹配误差与信息丢失问题。
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