A visual encoding and transmission method of flight parameter data based on UAV video
A transmission method and flight parameter encoding technology, which is applied in digital video signal modification, image communication, electrical components, etc., can solve the problem of inability to accurately obtain flight parameter data, and achieve the effect of reducing hardware requirements and data bandwidth requirements
Active Publication Date: 2018-12-28
湖南优象科技有限公司
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[0006] The present invention adopts the method of visually encoding the flight parameter data at the shooting time and synthesizing it into the video frame for transmission, which solves the technical problem that the flight parameter data cannot be accurately obtained in the prior art in UAV video processing and video-based flight control
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[0020] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0021] see figure 1 , a flowchart of the specific steps of the present invention. Before implementing the method of the present invention, preparations need to be made for data acquisition, and video, position and motion sensors are integrated on the UAV airborne platform.
[0022] (S1) Obtain video frame and flight parameter data: obtain the video frame sent from the UAV camera in real time, monitor the first line arrival time of each frame of video, and obtain the flight parameter data at this moment; in the embodiment, through on-board The video and flight parameter data collected in real time are connected to the onboard processing system. Set the resolution of the UAV video frame as W×H, W and H are positive integers, and represent the flight parameter data that needs to be coded and input as Data[M], denoted as Data, and M represents th...
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The invention belongs to the technical field of image processing, and specifically relates to a flight parameter data visual coding and transmission method based on unmanned aerial vehicle videos. The method comprises following steps of (S1), obtaining video frames and flight parameter data: obtaining the video frames sent from an unmanned aerial vehicle camera in real time, monitoring the arrival moment of the first line of each frame of video, and obtaining the flight parameter data of the moment; (S2), visually coding the flight parameter data, thus obtaining flight parameter coding images; (S3), fusing and synthesizing the unmanned aerial vehicle video frames and the flight parameter coding images of the corresponding moments, thus obtaining new video frame images; (S4), extracting the new video frame images from the unmanned aerial vehicle videos by a receiving end; and decoding and recovering the flight parameter data. The coded flight parameter data and the video data are transmitted together, the data bandwidth demand is reduced, the data form is unified, the hardware demand is reduced, and the demand for carrying out video processing and flight control by using the flight parameter data on the unmanned aerial vehicle processor is satisfied well.
Description
technical field [0001] The invention belongs to the technical field of image processing, and in particular relates to a method for visually encoding and transmitting flight parameter data based on unmanned aerial vehicle video. Background technique [0002] With the development of UAV technology, the field of demand for video collection by UAV continues to expand, and the intelligent application of UAV based on UAV video has gradually become an urgent technical problem in related fields, including video compression, wireless transmission, etc. , video image stabilization, geometric reconstruction, automatic obstacle avoidance, etc. Among them, video image stabilization, geometric reconstruction, automatic obstacle avoidance and UAV flight attitude are closely related. The combination of UAV flight parameters and video processing technology will help improve the efficiency and accuracy of video processing on UAVs. The level of intelligent application of drones is meaningful....
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IPC IPC(8): H04N19/46
CPCH04N19/46
Inventor 罗文峰
Owner 湖南优象科技有限公司