Listar por tema "Reconeixement de formes (Informàtica)"

Mostrando ítems 1-20 de 169

  • 2D Grammar Extension of the CMP Mathematical Formulae On-line Recognition System 

    Gallardo Pérez, Eva (Universitat Politècnica de Catalunya, 2009-01-21)
    Proyecto/Trabajo final de carrera
    Acceso abierto
    In the last years, the recognition of handwritten mathematical formulae has recieved an increasing amount of attention in pattern recognition research. However, the diversity of approaches to the problem and the lack of ...

  • 3D human action recognition in multiple view scenarios 

    Canton Ferrer, Cristian; Casas Pla, Josep Ramon; Pardàs Feliu, Montse; Sargin, M E; Tekalp, A M (Universitat Politècnica de Catalunya (UPC), 2006)
    Texto en actas de congreso
    Acceso abierto
    This paper presents a novel view-independent approach to the recognition of human gestures of several people in low resolution sequences from multiple calibrated cameras. In contraposition with other multi-ocular ...

  • 3D modelling of leaves from color and ToF data for robotized plant measuring 

    Alenyà Ribas, Guillem; Dellen, Babette; Torras, Carme (2011)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    Supervision of long-lasting extensive botanic experiments is a promising robotic application that some recent technological advances have made feasible. Plant modelling for this application has strong demands, particularly ...

  • 3D reconstruction and recognition of objects using a kinect camera 

    Luján Rossell, Alba (Universitat Politècnica de Catalunya, 2016-09)
    Trabajo final de grado
    Acceso abierto
    Realizado en/con:  Technische Universität München
    This project is based on the recent advances of 3D depth cameras, one being the Microsoft Kinect sensors. Nowadays, this technology enables to create really accurate 3D figures and scenes simplifying difficult tasks in ...

  • 3d semantic representation of actions from effcient stereo-image-sequence segmentation on GPUs 

    Alexey, Abramov; Aksoy, Eren Erdal; Dörr, Johannes; Wörgötter, Florentin; Pauwels, Karl; Dellen, Babette (2010)
    Texto en actas de congreso
    Acceso abierto
    A novel real-time framework for model-free stereo-video segmentation and stereo-segment tracking is presented, combining real-time optical flow and stereo with image segmentation running separately on two GPUs. The ...

  • Accurate human body tracking from multiple RGBZ sensors 

    Carruesco Llorens, Álex (Universitat Politècnica de Catalunya, 2014-06-26)
    Trabajo final de grado
    Acceso abierto
    [CATALÀ] En aquest projecte s'ha desenvolupat un software que permet calibrar càmeres Kinect i reconèixer gestos amb múltiples Kinect a partir de la informació de profunditat. El software s'ha dissenyat per a que pugui ...

  • Active Appearance Models for People Recognition with a RGB-D Sensor 

    Trejo Ramírez, Karla Andrea (Universitat Politècnica de Catalunya, 2014-06)
    Projecte Final de Màster Oficial
    Acceso restringido por decisión del autor
    Active Appearance Models (AAMs) is a computer vision procedure for statistical matching of object shape and appearance between images. The present work will analyze how AAMs can be employed with RGB-Depth technology, so ...

  • A deep analysis on age estimation 

    Huerta Casado, Iván; Fernandez Tena, Carles; Segura, Carlos; Hernando Pericás, Francisco Javier; Prati, Andrea (2015-12-15)
    Artículo
    Acceso abierto
    The automatic estimation of age from face images is increasingly gaining attention, as it facilitates applications including advanced video surveillance, demographic statistics collection, customer profiling, or search ...

  • Alignment of 3D point clouds and detection of RPS in automotive applications 

    Matilla Sarrate, Martin (Universitat Politècnica de Catalunya, 2015-02)
    Trabajo final de grado
    Acceso restringido por acuerdo de confidencialidad
    [ANGLÈS] The purpose of this project is to explore methods for the alignment of scan-generated 3D point clouds with the original design blueprints ( CAD ) of the scanned element, for quality control in the automotive ...

  • Analyzing human gait and posture by combining feature selection and kernel methods 

    Samà Monsonís, Albert; Angulo Bahón, Cecilio; Pardo Ayala, Diego Esteban; Català Mallofré, Andreu; Cabestany Moncusí, Joan (2011-09)
    Artículo
    Acceso abierto
    This paper evaluates a set of computational algorithms for the automatic estimation of human postures and gait properties from signals provided by an inertial body sensor. The use of a single sensor device imposes ...

  • An evolutionary approach to constraint-regularized learning 

    Hüllermeier, Eyke; Renners, Ingo; Grauel, Adolf (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2004)
    Artículo
    Acceso abierto
    The success of machine learning methods for inducing models from data crucially depends on the proper incorporation of background knowledge about the model to be learned. The idea of constraint-regularized learning is ...

  • A new algorithm to compute the distance between multi-dimensional histograms 

    Serratosa Casanelles, Francesc; Sanromà Güell, Gerard; Sanfeliu Cortés, Alberto (Springer Verlag, 2007)
    Capítulo de libro
    Acceso abierto
    The aim of this paper is to present a new algorithm to compute the distance between ndimensional histograms. There are some domains such as pattern recognition or image retrieval that use the distance between histograms ...

  • A new graph matching method for point-set correspondence using the EM algorithm and Softassign 

    Sanromà Güell, Gerard; Alquézar Mancho, René; Serratosa Casanelles, Francesc (2012)
    Artículo
    Acceso restringido por política de la editorial
    Finding correspondences between two point-sets is a common step in many vision applications (e.g., image matching or shape retrieval). We present a graph matching method to solve the point-set correspondence problem, which ...

  • A new relational geometric feature for human action recognition 

    Vinagre Ruiz, Manuel; Aranda López, Juan; Casals Gelpi, Alicia (Springer, 2015-01)
    Artículo
    Acceso restringido por política de la editorial
    Pose-based features have demonstrated to outperform low-levelappearance features in human action recognition. New RGB-D cameras provide locations of human joints with which geometric correspondences can be easily calculated. ...

  • Application of graph embedding to solve graph matching problems 

    Valveny, Ernest; Ferrer Sumsi, Miquel (2008)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    Graphs have very interesting properties for object representation in pattern recognition. However, graph matching algorithms are usually computationally complex. In addition, graphs are harder to manipulate and operate ...

  • Applying fuzzy logic in video surveillance systems 

    Molina, José Manuel; García, Jesús; Pérez, Oscar; Carbó, Javier; Berlanga, Antonio; Portillo García, Javier Ignacio (2005)
    Artículo
    Acceso abierto
    In this work, the application of fuzzy logic in surveillance systems based on cameras is Analyzed. Three different fuzzy systems have been tested and compared with a crisp decision system. The first one has been developed ...

  • Approximate nearest neighbour search with the fukunaga & narendra algorithm 

    Si, Peng (Universitat Politècnica de Catalunya, 2011-09-05)
    Projecte Final de Màster Oficial
    Acceso abierto
    English: Nearest neighbour search is the one of the most simple and used technique in Pattern Recognition due to its simplicity and its good behaviour.. Many fast NN search algorithm have been developed during last years. ...

  • Aprenentatge de la llengua de signes catalana amb Kinect 

    Górriz, Marc (Universitat Politècnica de Catalunya, 2012)
    Proyecto/Trabajo final de carrera
    Acceso abierto
    S’ha desenvolupat una aplicació per a facilitar l’aprenentatge de l’abecedari de la Llengua de signes catalana mitjançant una sèrie d’activitats de lletrejar paraules. El projecte fa ús del dispositiu Kinect per tal de ...

  • A recursive embedding approach to median graph computation 

    Ferrer Sumsi, Miquel; Valveny, Ernest; Bunke, Horst (Springer Verlag, 2009-06-12)
    Capítulo de libro
    Acceso abierto
    The median graph has been shown to be a good choice to infer a representative of a set of graphs. It has been successfully applied to graph-based classification and clustering. Nevertheless, its computation is extremely ...

  • Arm and hand gesture recognition through online learning 

    Pluma Duran, Oscar (Universitat Politècnica de Catalunya, 2014-06)
    Trabajo final de grado
    Acceso abierto
    [ANGLÈS] The aim of this project is to develop a system capable to move a robot by recognizing the gestures performed by a user. The system has been already implemented by the LIRIS laboratory, and the objective has been ...