Yuhui Li Jiucheng Xu Yifan Zhang 0001 Chunjie Zhang 0001 Hongsheng Yin 0001 Hanqing Lu Image Classification Using Spatial Difference Descriptor Under Spatial Pyramid Matching Framework. 527-539 2016 MMM (1) https://doi.org/10.1007/978-3-319-27671-7_44 conf/mmm/2016-1 db/conf/mmm/mmm2016-1.html#LiXZZYL16