Improving the coding strategy for BOF (Bag-of-Features) based feature design has drawn increasing attention in recent image categorization works. However, the ambiguity in coding procedure still impedes its further development. In this paper, we introduce a context-aware and locality-constrained Coding (CALC) approach with context information for describing objects in a discriminative way. It i...

In this contribution w e utiliz e recent advances in feature coding strategies for a hierarchical N eocognitron-like neural architecture, w hich can be used for invariant recognition of natural visual stimuli like objects or faces. Several researchers have identifi ed that sparseness is an important coding principle for learning receptive fi eld profi les that resemble response properties of si...