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Artificial Intelligence Review
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Context is a vital element in both biological as well as synthetic vision systems. It is essential for deriving meaningful explanation of an image. Unfortunately, there is a lack of consensus in the computer vision community on what context is and how it should be represented. In this paper context is defined generally as "any and all information that is not directly derived from the object of interest but helps in explaining it". Furthermore, a description of context is provided in terms of its three major aspects namely scope, source and type. As an application of context in improving object detection results a Context Verification System (ConVeS) is proposed. ConVeS incorporates semantic and spatial context with an external knowledgebase to verify object detection results provided by state-of-the-art machine learning algorithms such as support vector machine or artificial neural network. ConVeS is presented as a simple framework that can be effectively applied to a wide range of computer vision applications such as medical image, surveillance video, and natural imagery.