基于多纹理特征融合的震后SAR图像倒塌建筑物信息提取
杜妍开,龚丽霞,李强,詹森,张景发

Earthquake Induced Building Damage Assessment on SAR Multi-texture Feature Fusion
Yankai Du,Lixia Gong,Qiang Li,Sen Zhan,Jingfa Zhang
表4 基于主成分分析后的多纹理特征提取精度分布
Table 4 The extraction accuracy of multi-texture feature based on PCA
震害类型验证数据总计UA/%
倒塌未倒塌
倒塌10 93013 79424 72444.21
未倒塌3 01855 68458 70294.88
总计13 94869 47883 426
PA/%78.3680.1579.85