Browsing by Subject "Computer graphics"

Now showing items 1-20 of 135

    • 3D point cloud video segmentation oriented to the analysis of interactions 

      Lin, Xiao; Casas Pla, Josep Ramon; Pardàs Feliu, Montse (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference lecture
      Open Access
      Given the widespread availability of point cloud data from consumer depth sensors, 3D point cloud segmentation becomes a promising building block for high level applications such as scene understanding and interaction ...

    • A framework for network traffic analysis using GPUs 

      Suñé Clos, Marc (Universitat Politècnica de Catalunya, 2010-01)
      Master thesis (pre-Bologna period)
      Open Access
      During the last years the computer networks have become an important part of our society. Networks have kept growing in size and complexity, making more complex its management and traffic monitoring and analysis processes, ...

    • A framework for real-time physically-based hair rendering 

      Gonzalez Jimenez, Santi (Universitat Politècnica de Catalunya, 2022-06-28)
      Master thesis
      Open Access
      Covenantee:   Universitat Pompeu Fabra
      Hair rendering has been a major challenge in computer graphics for several years due to the complex light interactions involved. Complexity mainly stems from two aspects: the number of hair strands, and the resulting ...

    • A general illumination model for molecular visualization 

      Hermosilla Casajús, Pedro; Vázquez Alcocer, Pere Pau; Vinacua Pla, Álvaro; Ropinski, Timo (2018-06)
      Article
      Open Access
      Several visual representations have been developed over the years to visualize molecular structures, and to enable a better understanding of their underlying chemical processes. Today, the most frequently used atom-based ...

    • A Hybrid Rendering Technique to Navigate in Large Terrains Using Mobile Devices 

      Noguera, José María; Segura, Rafael; Ogáyar, Carlos; Joan Arinyo, Robert (2010-09-08)
      Conference report
      Restricted access - publisher's policy
      We describe a hybrid client-server technique for remote adaptive streaming and rendering of large terrains in resource-limited mobile devices. The technique has been designed to achieve an interactive rendering performance ...

    • A Multiple shooting vectorial algorithm for progressive radiosity 

      Garcia, Blanca; Pueyo Sandez, Francesc Xavier (1994-01-01)
      Research report
      Open Access
      Radiosity has been largely used in computer graphics for synthesis of realistic images. It is well known that this method has a high computational cost. This paper proposes an algorithm designed in order to take advantage ...

    • A practical and robust method to compute the boundary of three-dimensional axis-aligned boxes 

      López Monterde, Daniel; Martínez Bayona, Jonàs; Vigo Anglada, Marc; Pla García, Núria (2014)
      Conference report
      Open Access
      The union of axis-aligned boxes results in a constrained structure that is advantageous for solving certain geometrical problems. A widely used scheme for solid modelling systems is the boundary representation (Brep). We ...

    • Ambient Occlusion on Mobile: an empirical comparison 

      Sunet Pérez, Marc (Universitat Politècnica de Catalunya, 2016-02-03)
      Master thesis
      Open Access
      In this thesis, we study the feasibility of screen space ambient occlusion on a range of mobile devices. We implement several of the most popular techniques and propose two rendering pipelines, a custom algorithm and an ...

    • An approach to visual interaction analysis of urban spaces: Central Barcelona as a case study 

      Clua Uceda, Álvaro; Crosas Armengol, Carles; Parcerisa Bundó, Josep (2021-03-28)
      Article
      Open Access
      Beyond the binary, traditional, figure-ground reading of urban patterns, this research presents a graduated expression of the geometry of urban spaces from a perceptive point of view. This highlights the spatial relationships ...

    • An interactive 3D framework for anatomical education 

      Vázquez Alcocer, Pere Pau; Götzelmann, Timo; Hartmann, Knut; Nürnberger, Andreas (2008-12)
      Article
      Restricted access - publisher's policy
      Object: This paper presents a 3D framework for Anatomy teaching. We are mainly concerned with the proper understanding of human anatomical 3D structures. Materials and methods: The main idea of our approach is taking an ...

    • Analysis of the Path Tracing rendering method on CPU and GPU 

      Gil González, Jordi (Universitat Politècnica de Catalunya, 2020-04-23)
      Bachelor thesis
      Open Access
      Fa molts anys que es realitza recerca al camp de la renderització realista. Tenim diversos mètodes capaços d'aconseguir imatges amb un gran grau de realisme, com pot ser Ray Tracing, Path Tracing, Photon Mapping o Metropolis ...

    • ANAVMG: Automatic generation of suboptimal Navmeshes for 3D virtual environments 

      Oliva Martínez, Ramon (Universitat Politècnica de Catalunya, 2012-09-05)
      Master thesis
      Open Access

    • Anàlisi 3D del projecte d'un edifici unifamiliar aïllat a Ullastrell 

      Bermúdez Gómez, Marta (Universitat Politècnica de Catalunya, 2013-02-20)
      Bachelor thesis
      Open Access
      El present treball de final de grau està basat en un projecte arquitectònic real, el qual ha servit d'origen per mostrar com desenvolupar la part infogràfica del procés arquitectònic. Així, aquest treball pretén donar a ...

    • Análisis de la coherencia temporal en escenas dinámicas iluminadas con radiosidad 

      Martín Campos, Ignacio Clemente (1994-10-06)
      Research report
      Open Access
      Este report analiza los antecedentes existentes en el uso de la coherencia temporal para la aceleración del cálculo de secuencias de animación en escenas dinámicas iluminadas mediante radiosidad. La importancia de estas ...

    • Análisis del rendimiento de DirectX 

      Gorriz Torner, Xavier (Universitat Politècnica de Catalunya, 2009-06-22)
      Master thesis (pre-Bologna period)
      Open Access
      La memoria del proyecto seguirá el siguiente transcurso. En el segundo capítulo se hará una descripción detallada de lo que se espera del proyecto como, por ejemplo, qué ofrecerá o sus objetivos. A continuación, el ...

    • Applications of information theory to computer graphics 

      Sbert Cassasayas, Mateu; Feixas, Miquel; Rigau, Jaume; Castro, Francesc; Vázquez Alcocer, Pere Pau (2002)
      Conference report
      Restricted access - publisher's policy
      We present in this talk several applications of Information Theory concepts to Computer Graphics. Mutual information will be applied to Radiosity to obtain the better scene discretization. The concept of entropy will be ...

    • AR Natural Feature. Sistema de tracking sin etiquetas 

      Navarro Muncunill, Javier (Universitat Politècnica de Catalunya, 2009-09-16)
      Master thesis
      Restricted access - confidentiality agreement

    • Assistent per desenvolupar videojocs en Flash 

      Ortiz Ortiz, Joel (Universitat Politècnica de Catalunya, 2011-01-14)
      Master thesis (pre-Bologna period)
      Open Access
      Lʼobjectiu general dʼaquest projecte és aconseguir una aplicació gràfica interactiva senzilla que mostri el flux dʼexecució dʼuna aplicació Flash, composada per diferents fitxers de Flash, i permeti editar-lo per definir ...

    • Automatic view selection through depth-based view stability analysis 

      Vázquez Alcocer, Pere Pau (Springer, 2009-05)
      Article
      Restricted access - publisher's policy
      Although the real world is composed of three-dimensional objects, we communicate information using two-dimensional media. The initial 2D view we see of an object has great importance on how we perceive it. Deciding which ...

    • Automatic view selection using viewpoint entropy and its application to image-based modelling 

      Vázquez Alcocer, Pere Pau; Feixas, Miquel; Sbert Cassasayas, Mateu; Heidrich, Wolfgang (North Holland, 2003)
      Article
      Restricted access - publisher's policy
      In the last decade a new family of methods, namely Image-Based Rendering, has appeared. These techniques rely on the use of precomputed images to totally or partially substitute the geometric representation of the scene. ...