Introduction of aerial photos

Aerial photography is also called aerial photography. Generally refers to all kinds of remote sensing photos taken by aerial photography equipment. There are many kinds. According to the camera structure and imaging mode, it can be divided into frame type, panoramic type and continuous shooting type. Frame aerial photos can be divided into small frames according to the frame size, such as 70×70 mm2；; There are 23 kinds of standard picture frames, such as 18× 18cm2, 23× 23cm2, and large picture frames are 23× 46cm.