coarse iris classification by learned visual dictionary：粗虹膜分类的视觉词典
Coarse Iris Classification by Learned VisualDictionaryXianchao Qiu, Zhenan Sun, and Tieniu TanCenter
coarse iris classification by learned visual dictionary：粗虹膜分类的视觉词典coarse iris classification by learned visual dictionary：粗虹膜分类的视觉词典