Crop phenotypic parameter extraction method and device
A technology of parameter extraction and crops, applied in image data processing, instruments, calculations, etc., can solve the problems of difficulty in extracting parameters such as length, width, and area of leaves, affecting the final recognition accuracy, and inability to extract leaf inclination. Achieve the effect of realizing automatic measurement, reducing the image of the extraction result, and improving the detection accuracy
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[0054] Example 1
[0055] figure 1 A schematic flowchart of a method for extracting phenotypic parameters of crops provided by the first embodiment of the present invention is shown.
[0056] The method for extracting phenotypic parameters of crops includes the following steps:
[0057] In step S110, group point cloud data of crops are acquired.
[0058] Specifically, the three-dimensional point cloud data of crops can be collected through lidar. Since lidar will collect all point cloud data in the scanning range, the collected three-dimensional point cloud data not only includes surrounding environment, ground vegetation, etc. Point cloud data also includes point cloud data of multiple crops. Since this technical solution mainly deals with point cloud data of crops, all point cloud data of the scanning range collected by the lidar is collectively referred to as the group point cloud data of crops here.
[0059] In this embodiment, the crops may include crops with stem and leaf charac...
Example Embodiment
[0106] Example 2
[0107] Figure 4 It shows a schematic flowchart of a method for extracting phenotypic parameters of crops according to the second embodiment of the present invention.
[0108] The method for extracting phenotypic parameters of crops includes the following steps:
[0109] In step S210, group point cloud data of crops are acquired.
[0110] This step is the same as step S110, and will not be repeated here.
[0111] In step S220, denoising and normalizing the group point cloud data are performed to obtain preprocessed group point cloud data.
[0112] Specifically, in order to further improve the accuracy of extraction of leaf parameters, the group point cloud data may also be preprocessed to remove noise point clouds, filter out point cloud data such as surface vegetation environment, and retain effective group point cloud data.
[0113] Further, the preprocessing operation may include denoising and normalization processing.
[0114] Specifically, the three-dimensional grou...
Example Embodiment
[0122] Example 3
[0123] Figure 5 It shows a schematic structural diagram of a crop phenotype parameter extraction device provided by the third embodiment of the present invention. The crop phenotypic parameter extraction device 300 corresponds to the crop phenotypic parameter extraction method in Embodiment 1. The crop phenotypic parameter extraction method in Embodiment 1 is also applicable to the crop phenotype parameter extraction device 300, which will not be repeated here. Go into details.
[0124] The crop phenotypic parameter extraction device 300 includes an acquisition module 310, an identification module 320, an extraction module 330, a segmentation module 340, and a fitting module 350.
[0125] The obtaining module 310 is used to obtain group point cloud data of crops.
[0126] The identification module 320 is configured to identify the root positions of all crops according to the group point cloud data.
[0127] The extraction module 330 is configured to extract single...
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