Pupil position extraction method based on template matching

The invention discloses a pupil position extraction method based on template matching. The invention provides a method for realizing pupil position extraction based on template matching aiming at the pupil position extraction problem in optical path automatic alignment. Firstly, a theoretical template is calculated according to pupil image parameters, then image noise reduction, threshold segmentation, morphological operation and image projection are carried out on a collected actual pupil image, after an actual image template is obtained, the theoretical template is matched with the actual template, and the position of the pupil image can be obtained. The method is simple to implement and small in calculation amount, has the characteristics of high real-time performance and strong transportability, and can be applied to different engineering projects by modifying the template. 本发明公开了一种基于模板匹配的光瞳位置提取方法。该方法针对光路自动对准中光瞳位置提取问题，提出了一种基于模板匹配实现光瞳位置提取的方法。首先根据光瞳图像参数计算理论模板，然后对采集的实际光瞳图像进行图像降噪、阈值分割、形态学操作、图像投影，得到实际图像模板后，将理论