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System for caption text extraction on a hierarchical region-based image representation
Zaytseva, Ekaterina
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Marqués Acosta, Fernando
English: This work presents a technique for detecting caption text for indexing purposes. This technique is to be included in a generic indexing system dealing with other semantic concepts. The various object detection algorithms are required to share a common image description which is a hierarchical region-based image model. Caption text objects are detected combining texture and geometric features, which are estimated using wavelet analysis and taking advantage of the region-based image model, respectively. Analysis of the region hierarchy provides the final caption text objects.
Àrees temàtiques de la UPC::So, imatge i multimèdia::Creació multimèdia::Imatge digital
Three-dimensional display systems
Image processing
Caption text
BPT
Text recognition
Caption text
BPT
Text recognition
Visualització tridimensional (Informàtica)
Imatges -- Processament
Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
info:eu-repo/semantics/masterThesis
Universitat Politècnica de Catalunya
         

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