Opinion mining is an important research topic in data mining. Many current methods are coarse-grained, which are practically problemic due to insufficient feedback information and limited reference values. To address these problems, a novel topic and sentiment unification maximum entropy LDA model is proposed in this paper for fine-grained opinion mining of online reviews. In this model, a maxi...

Egocentric videos offer fine-grained information for high-fidelity modeling of human behaviors. Hands and interacting objects are one crucial aspect understanding a viewer’s behaviors intentions. We provide labeled dataset consisting 11,243 egocentric images with per-pixel segmentation labels hands being interacted during diverse array daily activities. Our is the first to label detailed hand-o...