Fusing Feature Distribution Entropy with R-MAC Features in Image Retrieval. - Pingping Liu; Guixia Gou; Huili Guo; Danyang Zhang; Hongwei Zhao; Qiuzhan Zhou (Entropy, 2019)

Deep Hash Remote Sensing Image Retrieval with Hard Probability Sampling. - Xue Shan; Pingping Liu; Guixia Gou; Qiuzhan Zhou; Zhen Wang (Remote. Sens., 2020)

Global Optimal Structured Embedding Learning for Remote Sensing Image Retrieval. - Pingping Liu; Guixia Gou; Xue Shan; Dan Tao; Qiuzhan Zhou (Sensors, 2020)