Correction: Yan, Y.; et al. Building Extraction Based on an Optimized Stacked Sparse Autoencoder of Structure and Training Samples Using LIDAR DSM and Optical Images. Sensors 2017, 17, 1957

Sensors (Basel). 2019 Jan 2;19(1):131. doi: 10.3390/s19010131.

¹ Department of Information and Communication Engineering, Harbin Engineering University, Harbin 150001, China. yanyiming@hrbeu.edu.cn.
² Department of Information and Communication Engineering, Harbin Engineering University, Harbin 150001, China. tanzhichao@yahoo.com.
³ Department of Information and Communication Engineering, Harbin Engineering University, Harbin 150001, China. wLw01@163.com.
⁴ Department of Information and Communication Engineering, Harbin Engineering University, Harbin 150001, China. zhaochunhui@hrbeu.edu.cn.

Abstract