第 1 章 绪论
令和8年1月5日|p.14
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1. 基于区域建议的目标检测算法
基于区域建议的目标检测算法主要包括 R-CNN、Fast R-CNN、Faster R-CNN 等。这些算法首先通过区域建议网络（Region Proposal Network, RPN）生成候选区域，然后对每个候选区域进行分类和回归，得到最终的检测结果。
2. 基于回归的目标检测算法
基于回归的目标检测算法主要包括 YOLO、SSD 等。这些算法直接将图像划分为多个网格，每个网格负责预测该区域内的目标类别和位置。相比于基于区域建议的目标检测算法，基于回归的目标检测算法具有更快的检测速度。
The Impact of Climate Change on Global Agriculture
Climate change poses significant challenges to global agriculture, affecting crop yields, food security, and livelihoods worldwide. Rising temperatures, altered precipitation patterns, increased frequency of extreme weather events, and changing pest dynamics are some of the key factors influencing agricultural systems.
Key Impacts
- Increased drought conditions leading to water scarcity
- More frequent floods causing soil erosion and nutrient loss
- Shifts in growing seasons disrupting traditional farming practices
- Expansion of pests and diseases into new regions
Adaptation Strategies
To mitigate these impacts, farmers and policymakers must adopt innovative strategies such as developing climate-resilient crop varieties, improving irrigation efficiency, implementing sustainable land management practices, and enhancing early warning systems for extreme weather events.