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With the development of the World Wide Web, there exists more and more illicit drug Webpages. Thus, how to screen cannabis Webpages on the internet is a quite important issue. Conventional methods that only use the keyword-based or image-based approaches are not sufficient. We propose a Multi-Modal Multiple-Instance Learning (MMMIL) approach combining both text and image information for cannabis webpage...
Given a textual query in traditional text-based image retrieval (TBIR), relevant images are to be reranked using visual features after the initial text-based search. In this paper, we propose a new bag-based reranking framework for large-scale TBIR. Specifically, we first cluster relevant images using both textual and visual features. By treating each cluster as a “bag” and the images in the bag as...
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