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Traditional image enhancement techniques produce different types of noise such as unnatural effects, over-enhancement, and artifacts, and these drawbacks become more prominent in enhancing dark images. To overcome these drawbacks, we propose a dark image enhancement technique where local transformation of the pixels have been performed. Here, we apply a transformation method of different parts of...
Feature selection and discretization have been considered to be an important research topic in the field of pattern recognition and data mining. However, addressing both these issues at a time is rarely discussed in the existing research. In this paper, these issues have been addressed by developing a heuristic namely discretization and selection of features based on mutual information (DSM). Experimental...
Popular real-time public events often cause upsurge of traffic in Twitter while the event is taking place. These posts range from real-time update of the event's occurrences highlights of important moments thus far, personal comments and so on. A large user group has evolved who seeks these live updates to get a brief summary of the important moments of the event so far. However, major social search...
Early detection of onset and outbreak of infectious diseases has paramount importance in containing such diseases before they turn into epidemics. The incredible growth in popularity and spatial resolution of coverage have made micro-blogging sites like Twitter a promising source of information for assessing the evolution of intensity of such diseases within a locality. However, identifying tweets...
Micro-blogging sites like Twitter have become a valuable source of information due to their recent upsurge in popularity. The objective of this research is to sense the urban phenomena like peoples' interest in particular topics or shift of interest from one topic to another. Sometimes, even just the proportion of tweets related to a topic appearing in the daily Twitter corpus of a region can give...
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