A spatial grid index based on inverted index and its query method. - Jiexiong Duan; Weixin Zhai; Chengqi Cheng (IGARSS, 2017)

Merkle quad-tree based remote sensing image analysis. - Weixin Zhai; Kun Qi; Jiexiong Duan; Chengqi Cheng (IGARSS, 2017)