The present application provides a kind of
intertidal zone beach benthic animal intelligent identification and density monitoring method and device, in the target area of investigation light beach, multiple independent sample quadrats are laid according to random way, video is collected using unmanned aerial vehicle and is pretreated;In uniform video environment, the identification and spatial scale calibration of sample
quadrat are carried out synchronously, and the target identification of beach benthic animal is carried out;The actual beach area corresponding to the video picture is determined according to the sample
quadrat identification result, and the representative quantity and biological density of the species are calculated based on the identification result of target species using median statistical method.The non-contact, automatic and high-precision monitoring of
intertidal zone beach benthic animal is realized through the cooperative application of unmanned aerial vehicle
aerial photography and improved YOLO identification model, the interference of artificial investigation is reduced, the stability, accuracy and monitoring efficiency of density
estimation are improved, and it is suitable for large-scale, high-frequency investigation and monitoring of
intertidal zone beach benthic animal resources.