Browsing NUP Academic Publications - Ακαδημαϊκές Δημοσιεύσεις ΠΝΠ by Author "Lux, Mathias"
Now showing items 1-8 of 8
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Combining Color and Spatial Color Distribution Information in a Fuzzy Rule Based Compact Composite Descriptor
Chatzichristofis, Savvas A.; Boutalis, Yiannis S.; Lux, Mathias (Springer, 2011)In this paper, a novel low level feature for content based image retrieval is presented. The proposed feature structure combines color and spatial color distribution information. The combination of these two features in ...
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Image Encryption using the Recursive Attributes of the eXclusive-OR Filter
Chatzichristofis, Savvas A.; Marques, Oge; Lux, Mathias; Boutalis, Yiannis (Springer, 2014)This paper describes a visual multimedia content encryption approach based on cellular automata (CA), expanding the work proposed in [4]. The presented algorithm relies on an attribute of the eXclusive-OR (XOR) filter, ...
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Img(Rummager): An Interactive Content Based Image Retrieval System
Chatzichristofis, Savvas A.; Boutalis, Yiannis; Lux, Mathias (IEEE (Institute of Electrical and Electronics Engineers , United States), 2009)This paper presents an image retrieval suite called img(Rummager) which brings into effect a number of new as well as state of the art descriptors. The application can execute an image search based on a query image, either ...
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LIRe: Lucene Image Retrieval - An Extensible Java CBIR Library
Lux, Mathias; Chatzichristofis, Savvas A. (Association for Computing Machinery (ACM), United States, 2008)LIRe (Lucene Image Retrieval) is a light weight open source Java library for content based image retrieval. It provides common and state of the art global image features and offers means for indexing and retrieval. Due ...
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Localized Global Descriptors for Image Retrieval: An Extensive Evaluation on Adaptations to the Simple Model
Anagnostopoulos, Nektarios; Iakovidou, Chrysanthi; Chatzichristofis, Savvas A.; Boutalis, Yiannis; Lux, Mathias (IEEE (Computer Society), 2016)SIMPLE (Searching Images with MPEG-7 (& MPEG-7-like) Powered Localized dEscriptors) is a model that proposes the reuse of well-established global descriptors by localizing their description mechanism on image patches located ...
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Localizing global descriptors for content-based image retrieval
Iakovidou, Chryssanthi; Anagnostopoulos, Nektarios; Kapoutsis, Athanasios; Boutalis, Yiannis; Lux, Mathias; Chatzichristofis, Savvas A. (Springer, 2015)In this paper, we explore, extend and simplify the localization of the description ability of the well-established MPEG-7 (Scalable Colour Descriptor (SCD), Colour Layout Descriptor (CLD) and Edge Histogram Descriptor ...
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Selection of the Proper Compact Composite Descriptor for Improving Content based Image Retrieval
Chatzichristofis, Savvas A.; Boutalis, Yiannis; Lux, Mathias (ACTA Press, Canada, 2009)Compact Composite Descriptors (CCD) are global image features capturing both, color and texture characteristics, at the same time in a very compact representation. In this paper we propose a combination of two recently ...
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SPCD - SPATIAL COLOR DISTRIBUTION DESCRIPTOR - A Fuzzy Rule based Compact Composite Descriptor Appropriate for Hand Drawn Color Sketches Retrieval
Chatzichristofis, Savvas A.; Boutalis, Yiannis; Lux, Mathias (SCITEPRESS, 2010)In this paper, a new low level feature suitable for Hand Drawn Color Sketches retrieval is presented. The proposed feature structure combines color and spatial color distribution information. The combination of these two ...