Unmanned-aerial-vehicle-based automatic identification and early warning method for vendors in no-peddler area
An automatic identification and unmanned aerial vehicle technology, which is applied in scene recognition, character and pattern recognition, computer parts and other directions, can solve the problems of high manpower and equipment costs, many blind spots that are difficult to cure, and heavy workload, etc., and achieve a wide range of inspections , Good maneuverability and strong timeliness
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Embodiment 1
[0018] Please refer to figure 1 , Embodiment 1 provided by the present invention is:
[0019] A method for automatic identification and early warning of vendors in areas where stalls are prohibited based on drones, which includes the following steps:
[0020] Obtain aerial imagery images of areas where stalls are prohibited in the cities under the jurisdiction, preprocess the imagery, and extract multiple pixel areas on the imagery as feature comparison elements;
[0021] Collect characteristic images of various roadside vendors in the market from various angles, and obtain all the characteristic image information of the vendors from the top view to the side view based on the top view, and extract the characteristic maps of the vendors from the pixel area of the image image according to the characteristic image information of the vendors Banner, and incorporate the feature map of street vendors into the feature library;
[0022] Use drones to take aerial photos of areas wh...
Embodiment 2
[0029] On the basis of Embodiment 1, the preprocessing method of the image map is as follows: the image map is fused with the urban planning map, the vector electronic map, and the basic aerial image map, and the color adjustment process is performed on the fused image map, and the color is adjusted according to the color adjustment process. The color, grayscale, texture information and geometric properties of each pixel in the processed image are extracted to form multiple non-overlapping pixel regions.
[0030] After obtaining the image map, it is necessary to collect the urban planning map, vector electronic map, and basic aerial image map data of the area where stalls are prohibited. The urban planning map and vector electronic map are used for route design, and the aerial image map is used for later data comparison and analysis. The urban planning map is used to identify which areas are allowed to set up stalls and which areas are not allowed to set up stalls. The vector ...
Embodiment 3
[0036] On the basis of Embodiment 1, the aerial photographed image map of the area where stalls are prohibited in the city under the jurisdiction is obtained, specifically: adopt the "Z" font cruise, first shoot in one direction with a fixed level and angle to obtain the image map, and arrive at After setting the turning point, offset a certain distance and continue flying in the opposite direction. On the way, take pictures again to obtain image maps until the area where stalls are prohibited in the entire jurisdiction is captured.
[0037] The image map can also be obtained by using a UAV to shoot multiple times in advance. When using a UAV, use a "Z"-shaped route to cruise. The images taken in this way are relatively stable and coherent. The booth area can be fully photographed.
[0038] In addition, when taking aerial photography, drones are limited to cruise and shoot over the area where stalls are prohibited in the jurisdiction according to the set rules. For the pictur...
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