Elk identification and form contour parameter extraction method based on unmanned aerial vehicle remote sensing
A technology of parameter extraction and machine-based remote sensing, applied in neural learning methods, character and pattern recognition, computer components, etc., can solve the problems of low monitoring accuracy and unfavorable extraction of elk shape and contour parameters, achieve high monitoring accuracy and improve monitoring efficiency , Reduce the effect of operation difficulty and cost
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Embodiment 1
[0078] see figure 1 , a method for elk identification and morphological profile parameter extraction based on UAV remote sensing, comprising the following steps:
[0079] S1: Photograph the elk population on the ground through the camera or sensor mounted on the UAV platform to obtain the corresponding UAV remote sensing image. The UAV remote sensing image is a picture, and the number of shooting times is multiple. The number of remote sensing images is multiple;
[0080] S2: Preprocess the aforementioned UAV remote sensing image to obtain the initial image I1 (such as figure 2 shown), the preprocessing includes at least one or any combination of image enhancement, denoising, and filtering; all initial images I1 form a separate folder;
[0081] S3: Use the target recognition data labeling tool to label the elk individuals in the initial image I1 (such as image 3 After each initial image I1 is marked, a marked file T1 is correspondingly generated, and the T1 is in txt or x...
Embodiment 2
[0091] The basic content is the same as that of Example 1, except that:
[0092] like Figure 10 As shown, in S9, the OpenCV library performs grayscale processing and binarization processing on the individual prediction masks in turn; at the same time, the OpenCV library calls the binarized graphics, and superimposes the binarized graphics on its corresponding On the individual pictures of elk in the new image dataset D2, and display it.
Embodiment 3
[0094] The basic content is the same as that of Example 1, except that:
[0095] like Figure 11 , Figure 12 As shown, first use ArcGIS tool to convert the above binarized graphics into elk outline vector information file, and then obtain the area and perimeter of elk outline based on the elk outline vector information file, and generate skeleton lines, and then calculate the length of the extracted skeleton lines as The length of the elk, and then determine the sex of the elk according to the ratio of the length of the elk to the circumference of the outline;
[0096] In addition, first extract feature points from the outline of the elk, and then calculate according to the feature points to obtain the head width and body width of the elk, and then determine the age of the elk according to the body length and body width;
[0097] Finally, after the above judgment operation is completed, the obtained area, perimeter, body length, head width, body width, gender, and age are i...
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