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Nowadays, with so many surveillance cameras having been installed, the market demand for intelligent violence detection is continuously growing, while it is still a challenging topic in research area. Therefore, we attempt to make some improvements of existing violence detectors. The primary contributions of this paper are two-fold. Firstly, a novel feature extraction method named Oriented VIolent...
Smile detection is a sub-problem of facial expression recognition field, which has attracted more and more interests from researchers because of its wide application market. As for smile detection problem itself, the ‘wild’ unconstrained scenario is more challenging than the laboratory constrained scenario. Therefore, in this paper, we mainly focus on solving smile detection problem in unconstrained...
Gender identification has been a hot research topic with wide application requirements from social life. In general, effective feature representation is the key to solving this problem. In this paper, a new feature named Self-Similarity of Gradients (GSS) is proposed, which captures pairwise statistics of localized gradient distributions. There are three contributions made by us to practical gender...
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