Hierarchical sparse representation for image retrieval
作者： Linjun Yang , Qi Tian , Bingbing Ni
DOI:
关键词: Image (mathematics) 、 Mathematics 、 U-matrix 、 Feature (computer vision) 、 Image retrieval 、 Codebook 、 Linde–Buzo–Gray algorithm 、 Pattern recognition 、 Feature detection (computer vision) 、 Computer vision 、 Artificial intelligence 、 Sparse approximation
摘要: A hierarchical sparse codebook allows efficient search and comparison of images in image retrieval. The includes multiple levels a gradual determination/classification an feature into one or more groups nodes by traversing the through paths to codebook. is compared with subset at each level codebook, thereby reducing processing time.
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