arXiv:2607.18779cs.CV2026-07

用无人机和AI精准识别甘蔗出苗空缺,助力高效农业决策

CGMap: A Geospatially Aware Deep Learning Framework for Crop Gap Mapping Using UAV

论文配图:CGMap: A Geospatially Aware Deep Learning Framework for Crop Gap Mapping Using UAV
图 1 · 摘自论文原文
  • 基于YOLOv8的无人机图像检测,定位出苗点并提取行列布局
  • 通过最小生成树校正种植方向,实现不同田块的稳定行列识别
  • 输出地理空间出苗图,可直接导入GIS系统指导补种

在印度,作物发芽主要依赖人工目视与计数,易出错,但对最终产量预测至关重要。本文提出一种基于深度学习的管道,利用无人机影像与目标检测技术,精确统计甘蔗田的出苗情况。该方法采用预训练的YOLOv8模型,在印度不同农业气候区采集的无人机图像数据集上进行训练,可识别发芽植株并定位空缺区域(即“秃斑”),这些区域限制田间生产力。研究创新性地引入最小生成树(MST)导向的方位归一化技术,有效应对种植几何差异,确保各类田块中行、列信息的可靠提取。将检测到的幼苗转换为空间点云后,根据预期株距推断出苗空缺。最终生成以WKT格式输出的地理空间出苗地图,可直接集成至糖厂与农学家常用的地理信息系统平台,支持及时补种干预,显著提升产量与收益,优化资源分配,减少浪费,促进长期可持续发展。

原文摘要 · Abstract (English)

In India, crop germination is primarily monitored by visual inspection and manual counting, which are prone to errors, despite their crucial role in determining eventual yield potential. This paper highlights a deep learning based pipeline which uses object detection methods and drone imagery to assess and provide a precise count of sugarcane germination in fields. The approch uses a pre-trained AI model to find germinated plant sampling and identify gaps, also known as ``bald spots'', which restricts field productivity. The techniques used here relies on the YOLOV8 architecture, which was trained on a carefully selected dataset of UAV photos taken in various agroclimatic zones of India. Here, we bring upon a novel orientation-normalization technique that uses minimum Spanning Trees (MST) to account for variations in planting geometry, allowing for dependable row and column extraction across a variety of field layouts. By converting detected seedlings into spatial point clouds, emergence gaps can be inferred from the anticipated spacing between plants. A geospatial germination map exported in Well-Known Text (WKT) format is the end result, and it can be easily incorporated into GIS platforms used by sugar mills and agronomists to direct transplant initiatives. Timely interventions based on the insights provided by the algorithm can significantly increase yield, resulting in higher profits. Hence, support proper allocation of resources, avoid wastage, and enhance long-term sustainability.

农业AI无人机监测目标检测地理空间分析

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