Compensation for Optical Axis Consistency in Visible Light-Laser Hybrid Tracking and Ranging System Based on Dual-Mirror Coupled Optical Path and Polynomial Regression Regularization

To address the challenge of enhancing optical axis consistency in visible light-laser composite tracking and ranging systems, this paper proposes a dual-mirror coupled optical path for visible light cameras and laser rangefinders, which ensures optical axis alignment at varying distances under a fixed focal length. Furthermore, a data-driven active optical axis compensation mechanism is established: discrete zoom node data are collected, and polynomial regression modeling combined with regularization techniques is applied to mitigate optical axis jitter during the zooming process of variable-focus cameras. Experimental results demonstrate that the proposed system architecture improves overall measurement performance, and the compensation mechanism effectively corrects optical axis deviations, thereby providing technical support for the advancement of high-precision photoelectric tracking equipment.