Combined wide angle aviation digital camera system with self-checking self-stabilization function

• Main Authors: HONG ZHIGANG, LI YONGLONG, LIU ZHAOQIN, CHEN TIANEN, GUI DEZHU, SU GUOZHONG, YIN JINKUAN, ZHANG KESHU, LI GUOSHENG, MENG WENLI, SUN JIE, LI YI, PENG XIAODONG, DENG BING, CUI HONGXIA, WU ZUOFEI, ZHANG FENG, LIN ZONGJIAN
• Format: Patent
• Language: Chinese; English
• Published: 29.12.2010
• Subjects: ACCESSORIES THEREFOR; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES; APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM; CINEMATOGRAPHY; ELECTROGRAPHY; GYROSCOPIC INSTRUMENTS; HOLOGRAPHY; MEASURING; MEASURING DISTANCES, LEVELS OR BEARINGS; NAVIGATION; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHOTOGRAPHY; PHYSICS; SURVEYING; TESTING

The invention discloses a combined wide-angled aerial digital camera system having functions of self checking and self stabilization, wherein, four cameras are arranged in pairs on a stable platform; each pair of cameras are in equivalent and relative tilt, and a combined wide-angled equivalent center projection imaging system is formed and rectified by a self calibration method. The stable platform stabilizes a primary optical axis of the equivalent center projection imaging system to a near-plumb direction by revolving shafts which are vertical to each other and a mechanical damping device;and then the primary optical axis of the equivalent center projection imaging system is further stabilized by an accelerometer, an axial gyroscope, electronic sensors such as a magnetic compass and the like, as well as an attitude angle correcting unit. The camera system of the invention can realize the miniaturization and light weight of the combined wide-angled camera and the stable platform thereof, has high precision