Zunlin Fan Duyan Bi Lin-Yuan He Shiping Ma Shan Gao Cheng Li Low-level structure feature extraction for image processing via stacked sparse denoising autoencoder. 12-20 2017 243 Neurocomputing https://doi.org/10.1016/j.neucom.2017.02.066 db/journals/ijon/ijon243.html#FanBHMGL17