Browsing by Author "Ventura Royo, Carles"
Ventura Royo, Carles; Giró Nieto, Xavier; Vilaplana Besler, Verónica; Giribet, Daniel; Carasusan, Eusebio (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Restricted access - publisher's policyThis paper addresses the problem of video summarization through an automatic selection of a single representative keyframe. The proposed solution is based on the mutual reinforcement paradigm, where a keyframe is selected ...
Ventura Royo, Carles; Martos Asensio, Manuel; Giró Nieto, Xavier; Vilaplana Besler, Verónica; Marqués Acosta, Fernando (Springer Verlag, 2012)
Open AccessThis work presents a browser that supports two strategies for video browsing: the navigation through visual hierarchies and the retrieval of similar images. The input videos are firstly processed by a keyframe extractor ...
Ventura Royo, Carles (Escola Tècnica Superior de Telecomunicació de Barcelona, 2010)
Master thesis (pre-Bologna period)
Open AccessThis project presents the design and implementation of a Content-Based Image Retrieval (CBIR) system where queries are formulated by visual examples through a graphical interface. Visual descriptors and similarity measures ...
Ventura Royo, Carles; Vilaplana Besler, Verónica; Giró Nieto, Xavier; Marqués Acosta, Fernando (2013-09)
Restricted access - publisher's policyAbstract Metric Access Methods (MAMs) are indexing techniques which al- low working in generic metric spaces. Therefore, MAMs are specially useful for Content-Based Image Retrieval systems based on features which use ...
Ventura Royo, Carles; Giró Nieto, Xavier; Vilaplana Besler, Verónica (2015)
Restricted access - publisher's policyThis paper explores novel approaches for improving the spatial codification for the pooling of local descriptors to solve the semantic segmentation problem. We propose to partition the image into three regions for each ...
Ventura Royo, Carles (Universitat Politècnica de Catalunya, 2011-09-07)
Open AccessEnglish: One of the challenges in the development of an image retrieval system is to achieve an efficient indexing scheme since both developers and users, who are used to make requests in order to find a multimedia element ...
Ventura Royo, Carles; Tella-Amo, Marcel; Giró Nieto, Xavier (CEUR Workshop Proceedings, 2013)
Open AccessThese working notes paper present the contribution of the UPC team to the Hyperlinking sub-task of the Search and Hyperlinking Task in MediaEval 2013. Our contribution ex- plores the potential of a solution based only ...
Ventura Royo, Carles (Universitat Politècnica de Catalunya, 2016-07-08)
Open AccessThe first part of this dissertation focuses on an analysis of the spatial context in semantic image segmentation. First, we review how spatial context has been tackled in the literature by local features and spatial ...