资讯

A State Council executive meeting on Friday urged efforts to strengthen overall coordination and refine implementation ...
China's move to promote a new round of large-scale equipment renewals is estimated to create an enormous market worth more than 5 trillion yuan, according to the National Development and Reform ...
HOHHOT, Aug. 10 (Xinhua) -- The carbon capture, utilization and storage (CCUS) project of the Bayan Oilfield, located in Bayannur in north China's Inner Mongolia Autonomous Region, has injected over ...
ANKARA, Aug. 15 (Xinhua) -- Türkiye has seized nearly half a ton of narcotics and more than 780,000 narcotic pills in large-scale operations carried out across 73 provinces over the past two weeks, ...
本文针对无人机LiDAR点云地物分类问题,提出了一种基于改进的卷积神经网络模型,通过对四川某地区采集的点云数据进行人工标注,实现了地面、建筑和植被三种地物的点云分类。利用所设计的CNN模型对人工构建的数据集进行模型训练及测试,并不断对模型参数进行优化,总体分类精度 (OA)可达93.6599%。实验结果表明,本文所设计的改进CNN能够自动学习点云的空间分布特征和形状模式,减少了人工特征设计的工作量 ...