Non-negativity and dependence constrained sparse coding for image classification

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Hong Han, Sanjun Liu, Lu Gan

Published: 2015, Last Modified: 06 Nov 2025J. Vis. Commun. Image Represent. 2015EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: Highlights•Non-negative dictionary is learnt with localized, bandpass and oriented attributes.•Graph Laplacian is used to take the dependence relationship among local features.•Along with spatial pooling method, the proposed framework is extended to BoW model.