Method and device for measuring height of tobacco plant based on cooperation of unmanned aerial vehicle, and electronic equipment

By using drones in collaboration with image stitching and model calculations, the problem of low efficiency in measuring tobacco plant height has been solved, enabling rapid and accurate plant height measurement, which is suitable for precise monitoring of large-area tobacco fields.

CN116563362BActive Publication Date: 2026-07-07BEIJING RES CENT FOR INFORMATION TECH & AGRI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING RES CENT FOR INFORMATION TECH & AGRI
Filing Date
2023-03-27
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Existing technologies lack a rapid and effective method for measuring the height of flue-cured tobacco plants. Manual measurement is inefficient and subject to human error, making it difficult to achieve convenient measurement in large-area tobacco fields.

Method used

A drone-based collaborative approach was adopted to generate digital surface and digital elevation models through image stitching. Combined with the height of the tobacco field ridging, the plant height was calculated using a tobacco canopy height measurement model. Drone aerial images were used for image processing and data extraction.

Benefits of technology

It enables rapid and accurate measurement of tobacco plant height in large-area tobacco fields, reduces labor costs, and improves the objectivity and timeliness of measurement. It is suitable for full-coverage precision monitoring at the 100-acre and 1,000-acre levels.

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Abstract

The application provides a flue-cured tobacco plant height measurement method and device based on unmanned aerial vehicle cooperation and electronic equipment, and belongs to the field of agricultural technology.The method comprises the following steps: determining digital surface model information of a to-be-measured flue-cured tobacco field based on an image of the to-be-measured flue-cured tobacco field; the image of the to-be-measured flue-cured tobacco field is obtained by splicing images of different tobacco field regions collected by an unmanned aerial vehicle; determining digital elevation model information of the to-be-measured flue-cured tobacco field based on the digital surface model information; and determining the plant height of each flue-cured tobacco plant in the to-be-measured flue-cured tobacco field based on the digital surface model information, the digital elevation model information and the tobacco field ridge height.The application can quickly calculate the plant height of each flue-cured tobacco plant in the to-be-measured flue-cured tobacco field, has the advantages of strong objectivity, high timeliness, rapid response and the like, and is low in cost, so that only a small amount of manpower is needed to realize full-coverage accurate monitoring of the plant height of flue-cured tobacco at the level of hundreds of mu and thousands of mu.
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