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For most physical stores, procuring customer behavior data and client management is di cult yet crucial. For stores, especially luxury stores, who value returning customers the most, identifying customer's identity and past purchase history would significantly improve the sales by personalizing the recommendation. Many chain stores utilize membership card to collect purchase information and change...
Little progress has been achieved in hand-crafted feature based human action recognition (HAR) for RGB videos in recent years. The emergence of low price depth camera presents more information for action recognition. Compared to RGB videos, depth video sequences are more insensitive to light changes and more discriminative in many vision tasks such as segmentation and activity recognition. In this...
The task of visual vocabulary construction plays an important role in the bag-of-words based pattern analysis and robotic applications. A discriminative vocabulary generation in unsupervised case is an open issue for reducing perceptual aliasing in image matching based applications. In this paper, we present a scheme to evaluate the discriminative power of each visual word quantitatively in terms...
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