Oblique photography unmanned aerial vehicle surveying and mapping system and device
A technology of oblique photography and UAV, which is applied in the field of UAV surveying and mapping, can solve the problems of inability to adjust the tilt angle of the camera and affect the accuracy of 3D modeling, and achieve the effect of eliminating geometric deformation of images and improving accuracy
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Embodiment 1
[0045] An oblique photographic UAV surveying and mapping system, such as figure 1 As shown, it specifically includes the following steps:
[0046] S1: data acquisition;
[0047] S2: data preprocessing;
[0048] S3: 3D reconstruction.
[0049] In order to ensure the accuracy of data collection; figure 1 As shown, the step S1 data collection includes the following steps:
[0050] S11: Site survey;
[0051] S12: route planning;
[0052] S13: UAV operation.
[0053] In order to ensure that the photography is clear when the drone is operating; figure 1 As shown, the ground resolution formula of the UAV operation in the step S13 is:
[0054]
[0055] in:
[0056] gsd - ground resolution;
[0057] H-relative flying height;
[0058] f-the focal length of the camera lens;
[0059] a - pixel size.
[0060] In order to ensure the effectiveness of data preprocessing; such as figure 1 As shown, the data preprocessing in the step S2 includes the following steps:
[0061] S21...
Embodiment 2
[0069] A device for oblique photographic drone mapping systems such as Figure 2-4 As shown, the UAV body 1 including the UAV operation in step S13; the outer wall of the top of the UAV body 1 is fixedly connected with the arc top 2; the outer wall of the UAV body 1 is fixedly connected with evenly distributed elevating paddles Wing 3; the bottom outer wall of the drone body 1 is fixedly connected with a buffer protection bracket 4; the bottom outer wall of the drone body 1 is fixedly connected with a camera housing 5; the bottom outer wall of the camera housing 5 is fixedly connected with a vertical camera 6; the camera housing 5 The outer wall of the bottom end is processed with evenly distributed square holes; the outer wall of the bottom end of the drone body 1 is processed with a placement groove 8; the outer wall of the bottom end of the placement groove 8 is fixedly connected with an electric telescopic rod 9; Connected with a support link 11; the outer wall of the supp...
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