Inland river channel ship automatic detection method based on unmanned aerial vehicle

The invention relates to the technical field of smart cities, in particular to an inland river channel ship automatic detection method based on an unmanned aerial vehicle, and the method specifically comprises the following steps: S101, determining a river channel region to be automatically detected, constructing an electronic map covering the river channel region, dividing the river channel region into a plurality of sub-regions on the electronic map, setting detection points in the plurality of sub-regions; s102, the collected ship image data set is preprocessed, and image distortion of an object is eliminated; s103, carrying out edge detection on the downsampled aerial view image to obtain a binary image only containing edge points, fitting two longest straight lines through transformation, and determining the boundary of the river channel; and S104, performing multi-scale triangle matching on the binary image in the river channel to detect ships in the river channel. According to the inland river channel