Intensive cultivated land area identification method
The intensive farmland area identification method using sliding window pixel-by-pixel scanning and dynamic exclusion mechanism solves the problem of inaccurate identification in existing technologies, and achieves accurate identification and high-precision monitoring of farmland that is not fully connected but highly concentrated.
CN122415707APending Publication Date: 2026-07-17CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHINA INST OF WATER RESOURCES & HYDROPOWER RES
- Filing Date
- 2026-04-21
- Publication Date
- 2026-07-17
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Figure CN122415707A_ABST
Abstract
本发明提供一种集约化耕地面积识别方法，包括：基于待识别区域的耕地栅格数据构建用于记录像元参与状态的可用耕地矩阵，并初始化集约化标记矩阵；利用滑动窗口在待识别区域进行逐像元扫描，根据可用耕地矩阵统计当前滑动窗口内的可用耕地占比；若可用耕地占比大于预设阈值，则在集约化标记矩阵中将当前滑动窗口内的像元记录为集约化像元，并在可用耕地矩阵中将集约化像元的参与状态更新为不可用状态；在完成对待识别区域的逐像元扫描后，根据集约化标记矩阵生成集约化耕地面积识别结果。本发明解决了集约化耕地面积识别不精准的问题，满足了大尺度高精度耕地监测需求，显著提升了其实际面积统计和工程应用中的可靠性。
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