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Corresponding Author

ElAlami, M.

Subject Area

Computer and Control Systems Engineering

Article Type

Original Study

Abstract

Content-based image retrieval (CBIR) is a promising technology to assist image finding, CBIR retrieves images by visual features inherent in images. Relevance feedback allows the user to reflect his preference to the system, then the system can reformulate the query according to the positive and/or negative examples responded by the user. This paper presents two efficient frameworks for image classification through the analysis of the visual features (such as color, shape, texture) of an example image. The first framework is based on comparing the norm and the direction of vectors ia multi-dimensional space for both the target and query image vectors, which allows classification according to their probabilities oli existence. The second framework depends on acquiring classification knowledge from a large empirical image database in a specific domain and utilizes that knowledge for image classification. The initial classification process is used as a training phase to feed the system with a classification tree for images in the retrieval domain. This tree is the best reduction of dimensionality that would result from all possible combinations of feature divisions.

Keywords

Image classification; Content Based Image Retrieval; Relevance Feedback. Inference Engines; Vector Analysis; Multidimensional Vector Indexing

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