Browsing Articles by Author "Zagoris, Konstantinos"

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Accurate Image Retrieval Based on Compact Composite Descriptors and Relevance Feedback Information

Chatzichristofis, Savvas A.; Zagoris, Konstantinos; Boutalis, Yiannis S.; Papamarkos, Nikos (World Scientific Publishing Company, 2010)

In this paper a new set of descriptors appropriate for image indexing and retrieval is proposed. The proposed descriptors address the tremendously increased need for e±cient content-based image retrieval (CBIR) in many ...
Dynamic two-stage image retrieval from large multimedia databases

Arampatzis, Avi; Zagoris, Konstantinos; Chatzichristofis, Savvas A. (Elsevier, 2013)

Content-based image retrieval (CBIR) with global features is notoriously noisy, especially for image queries with low percentages of relevant images in a collection. Moreover, CBIR typically ranks the whole collection, ...
Text localization using standard deviation analysis of structure elements and support vector machines

Zagoris, Konstantinos; Chatzichristofis, Savvas A.; Papamarkos, Nikos (Springer, 2011)

A text localization technique is required to successfully exploit document images such as technical articles and letters. The proposed method detects and extracts text areas from document images. Initially a connected ...