Photoelectric system synchronous positioning method

• Main Authors: HE JIAN, WANG HUILIN, YAN MING, HUI WEISHENG, BAI TAOYAN, WANG LE, KANG TING, ZOU MEIYING, HUO LIYE
• Format: Patent
• Language: Chinese; English
• Published: 30.09.2022
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; GYROSCOPIC INSTRUMENTS; MEASURING; MEASURING DISTANCES, LEVELS OR BEARINGS; NAVIGATION; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHYSICS; PICTORIAL COMMUNICATION, e.g. TELEVISION; SURVEYING; TESTING

The invention discloses a synchronous positioning method for a photoelectric system, which comprises the following steps: an aerial carrier flies along a predetermined track over an operation area, the photoelectric system scans at a certain speed in the rolling direction, the flight speed of the aerial carrier is compensated by pitching, seamless coverage of a specific area of a mountainous area is realized, and the geographic coordinate of each frame of image point is calculated; and the images are transmitted to the ground in real time for image splicing, so that a large-range single comprehensive image is formed. According to the invention, the frame positioning error caused by data image asynchronization can be reduced, the positioning precision error is greatly reduced, and the positioning precision is improved. 本发明公开了一种光电系统同步定位方法，载机在作业区域上空沿预定航迹飞行，光电系统在横滚向以一定的速度扫描，俯仰补偿飞机的飞行速度，实现对山区特定区域的无缝覆盖，同时解算出每帧图像点地理坐标，并将图像实时传输至地面进行图像拼接，形成大范围单一综合图像。本发明可以减少由于数据图像不同步导致的帧定位误差，大大减小定位精度误差，提高了定位精度。