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Perceptual Image Retrieval by Adding Color Information to the Shape Context Descriptor

12 years 29 days ago
Perceptual Image Retrieval by Adding Color Information to the Shape Context Descriptor
In this paper we present a method for the retrieval of images in terms of perceptual similarity. Local color information is added to the shape context descriptor in order to obtain an object description integrating both shape and color as visual cues. We use a color naming algorithm in order to represent the color information from a perceptual point of view. The proposed method has been tested in two different applications, an object retrieval scenario based on color sketch queries and a color trademark retrieval problem. Experimental results show that the addition of the color information significantly outperforms the sole use of the shape context descriptor. Keywords-Graphics recognition; multimedia retrieval; perceptual description; shape context; color naming.
Marçal Rusiñol, Farshad Nourbakhsh, Dimosthenis
Added 03 Sep 2010
Updated 03 Sep 2010
Type Conference
Year 2010
Where ICPR
Authors Marçal Rusiñol, Farshad Nourbakhsh, Dimosthenis Karatzas, Ernest Valveny, Josep Llados
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