Iris Image Classification Based on Hierarchical Visual Codebook - Sun, Zhenan; Zhang, Hui; Tan, Tieniu; Wang, Jianyu (IEEE transactions on pattern analysis and machine intelligence, 2014)
Keywords: Algorithms; Applied sciences; Artificial intelligence; Biomedical imaging; Biometric Identification - methods; Classification; Coarse-to-fine iris identification; Coding, codes; Computer science; control theory; systems; Computer systems and distributed systems. User interface; Databases, Factual; Encoding; Ethnic iris classification; Exact sciences and technology; Feature extraction; Hierarchical Visual Codebook (HVC); Humans; Image classification; Image contrast; Image detection; Image Processing, Computer-Assisted - methods; Information, signal and communications theory; Iris; Iris - anatomy & histology; Iris image classification; Iris liveness detection; Iris recognition; Memory and file management (including protection and security); Memory organisation. Data processing; Pattern recognition. Digital image processing. Computational geometry; Signal and communications theory; Software; Surface layer; Telecommunications and information theory; Texture; Visual; Visualization; Vocabulary; Iris image classification; Hierarchical Visual Codebook (HVC); coarse-to-fine iris identification; iris liveness detection; race classification; Biometrics; Vocabulary; Image processing; Distributed database; Liveness; Bag of words; Linear coding; Codebook; Sparse representation; Forgery; Computer security; Image contrast; Computer vision; Image texture; Iris (eye); Hierarchical classification; Image databank; Information retrieval; Multidatabase retrieval; Tree structure; Experimental result; Image classification