基于孪生Bi-LSTM网络的线状要素相似判别模型研究OA
Research on Linear Element Similarity Discrimination Model Based on Twin Bi-LSTM Network
传统线状要素间相似性判别方法存在算法复杂、阈值难以确定等缺点,鉴于此,提出了一种基于孪生双向长短期记忆(Bi-LSTM)网络的线状要素相似判别模型.利用孪生Bi-LSTM网络对输入的线状要素对进行建模,学习线状要素的空间几何特征,再通过特征向量组合得到相似性判断结果.实验表明,在河流要素数据集上该模型对线状要素相似性判别的F1-score为96.34%,具有良好的效果,为线状要素的几何相似性判别提供了新思路.
Traditional methods of similarity discrimination between linear elements suffer from algorithmic complexity and difficulty in determining thresholds.Addressing this problem,we proposed a linear element similarity discrimination model based on twin bidirectional long short-term memory(Bi-LSTM)network.We utilized twin Bi-LSTM networks to model the input pairs of linear elements,learning the spatial geometric characteristics of these elements.After combining the element vectors,we obtained similarity judgments.Experiments demonstrate that this model achieves F1-score of 96.34%in the similarity discrimination of linear elements in river element datasets,exhibiting superior performance compared to traditional algorithms,which can offer a novel approach to geometric similarity discrimination among linear elements.
陈涛;周婧娟;郑旭野
湖北省测绘成果档案馆,湖北 武汉 430074湖北省测绘成果档案馆,湖北 武汉 430074自然资源部 重庆测绘院,重庆 401120
天文与地球科学
孪生网络Bi-LSTM地理知识图谱几何相似性
twin networkBi-LSTMgeographical knowledge graphgeometric similarity
《地理空间信息》 2026 (3)
84-86,102,4
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