Corn seedling stage plant number information extraction method based on unmanned aerial vehicle remote sensing image

• Main Authors: SHI YANYAN, DAI WEIXU, GUO JIANWEI, CHEN YONGQIANG
• Format: Patent
• Language: Chinese; English
• Published: 25.12.2020
• Subjects: CALCULATING; COMPUTING; COUNTING; HANDLING RECORD CARRIERS; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL; PHYSICS; PRESENTATION OF DATA; RECOGNITION OF DATA; RECORD CARRIERS

The invention discloses a corn seedling stage plant number information extraction method based on an unmanned aerial vehicle remote sensing image, belongs to the technical field of unmanned aerial vehicle remote sensing images, and uses an unmanned aerial vehicle remote sensing technology and a computer image processing technology to extract leaf division characteristics of corn seedlings, i.e., abinary image obtained through threshold segmentation. Corn seedling stage form information is directly separated from an RGB image, most noise points and skeleton bifurcations in a material cell areremoved through image scale scaling transformation, compared with existing manual recognition, the automation degree is high, the precision of the recognized corn seedling form is greatly improved, manpower and material resources are saved, and the recognition efficiency is improved. Powerful support is provided for large-area measurement of the emergence rate in the field and final yield estimation. 本发明公开了一种基于无人机遥感影像的玉米苗期