Automatic crop image acquisition system based on crawler car by magnetic guidance
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Abstract:
A high throughput crawler car image acquisition suitable for dry field crops is designed to realize the growth image of crops automatically and efficiently. The system uses magnetic guidance sensor and magnetic stripe to realize the automatic walking of the car in the field according to the path,adopts crawler car chassis structure to ensure the stable operation of the system in the complex environment of the field. The overlooking and sideview cameras on both sides of the trolley bracket are installed to improve the work efficiency. The system uses wireless communication technology to monitor the operation of small cars remotely and the solar panel is installed at the top of the system to supply electric energy for small cars at run time. The images of maize plants from seedling period to tasseling stage were collected by this system. The results showed that the system was stable and reliable with the absolute error less than 2 cm in approximate straight line at 0.1 m/s speed and the minimum turning radius of 0.5 m. Single camera acquisition efficiency is 30 sheets per minute in continuous acquisition mode which can meet the actual needs. The system will provide a novel method for crop breeders to screen crop traits in the field.
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王康,梁秀英,周风燃,陈欢,杨万能. Automatic crop image acquisition system based on crawler car by magnetic guidance[J]. Jorunal of Huazhong Agricultural University,2020,39(2):140-149.