• 2D qualitative shape matching applied to ceramic mosaic assembly 

      Museros Cabedo, Lledó; Falomir Llansola, Zoe; Velasco, Francisco; González Abril, Luís; Martí, Isabel
      A theory of shape recognition of 2D objects and its application in the ceramic industry for intelligent automation of the mosaic mural assembly process are presented in this paper. This theory qualitatively describes the ...
    • 2D qualitative shape matching applied to ceramic mosaic assembly 

      Museros Cabedo, Lledó; Falomir Llansola, Zoe; Velasco, Francisco; González Abril, Luís; Martí, Isabel
      A theory of shape recognition of 2D objects and its application in the ceramic industry for intelligent automation of the mosaic mural assembly process are presented in this paper. This theory qualitatively describes the ...
    • 3D high definition video coding on a GPU-based heterogeneous system 

      Rodríguez Sánchez, Rafael; Martínez, José Luis; De Cock, Jan; Fernández Escribano, Gerardo; Pieters, Bart; Sánchez, José L.; Claver, José M.; Van de Walle, Rik
      H.264/MVC is a standard for supporting the sensation of 3D, based on coding from 2 (stereo) to N views. H.264/MVC adopts many coding options inherited from single view H.264/AVC, and thus its complexity is even higher, ...
    • A 3D grasping system based on multimodal visual and tactile processing 

      Grzyb, Beata J.; Chinellato, Eris; Morales Escrig, Antonio; Pascual del Pobil Ferré, Ángel
      urpose – The purpose of this paper is to present a novel multimodal approach to the problem of planning and performing a reliable grasping action on unmodeled objects. Design/methodology/approach – The robotic system is ...
    • A complete and efficient CUDA-sharing solution for HPC clusters 

      Peña, Antonio J.; Reaño, Carlos; Silla, Federico; Mayo, Rafael; Quintana Ortí, Enrique S.; Duato, José
      In this paper we detail the key features, architectural design, and implementation of rCUDA, an advanced framework to enable remote and transparent GPGPU acceleration in HPC clusters. rCUDA allows decoupling GPUs from ...
    • A document clustering algorithm for discovering and describing topics 

      Anaya Sánchez, Henry; Pons Porrata, Aurora; Berlanga Llavori, Rafael
      In this paper, we introduce a new clustering algorithm for discovering and describing the topics comprised in a text collection. Our proposal relies on both the most probable term pairs generated from the collection and ...
    • A factored variant of the Newton iteration for the solution of algebraic Riccati equations via the matrix sign function 

      Benner, Peter; Ezzatti, Pablo; Quintana Ortí, Enrique S.; Remón Gómez, Alfredo
      In this paper we introduce a variant of the Newton iteration for the matrix sign function that results in an efficient numerical solver for a certain class of algebraic Riccati equations (AREs). In particular, when the ...
    • A fast band–Krylov eigensolver for macromolecular functional motion simulation on multicore architectures and graphics processors 

      Aliaga Estellés, José Ignacio; Alonso Jordá, Pedro; Badía Contelles, José Manuel; Chacón, Pablo; Davidovic, Davor; López Blanco, José R.; Quintana Ortí, Enrique S.
      We introduce a new iterative Krylov subspace-based eigensolver for the simulation of macromolecular motions on desktop multithreaded platforms equipped with multicore processors and, possibly, a graphics accelerator (GPU). ...
    • A framework for compliant physical interaction : the grasp meets the task 

      Prats Sánchez, Mario; Sanz Valero, Pedro José; Pascual del Pobil Ferré, Ángel
      Although the grasp-task interplay in our daily life is unquestionable, very little research has addressed this problem in robotics. In order to fill the gap between the grasp and the task, we adopt the most successful ...
    • A General Qualitative Spatio-Temporal Model Based on Intervals 

      Martínez Martín, Ester; Escrig Monferrer, María Teresa; Pascual del Pobil Ferré, Ángel
      Many real-world problems involve qualitative reasoning about space and/or time. Actually, it is an adequate tool for dealing with situations in which information is not sufficiently precise. However, despite its numerous ...
    • A hierarchical system for a distributed representation of the peripersonal space of a humanoid robot 

      Antonelli, Marco; Durán Bosch, Ángel Juan; Pascual del Pobil Ferré, Ángel
      Reaching a target object in an unknown and unstructured environment is easily performed by human beings. However, designing a humanoid robot that executes the same task requires the implementation of complex abilities, ...
    • A mixed-precision algorithm for the solution of Lyapunov equations on hybrid CPU–GPU platforms 

      Benner, Peter; Ezzatti, Pablo; Kressner, Daniel; Quintana Ortí, Enrique S.; Remón Gómez, Alfredo
      We describe a hybrid Lyapunov solver based on the matrix sign function, where the intensive parts of the computation are accelerated using a graphics processor (GPU) while executing the remaining operations on a general-purpose ...
    • A model for colour naming and comparing based on conceptual neighbourhood. An application for comparing art compositions 

      Falomir Llansola, Zoe; Museros Cabedo, Lledó; González Abril, Luís
      A computational model for Qualitative Colour Description, named the QCD model, is defined using the Hue, Saturation and Luminance colour space. This model can name rainbow colours, pale, light and dark colours, and colours ...
    • A model for the qualitative description of images based on visual and spatial features 

      Falomir Llansola, Zoe; Museros Cabedo, Lledó; González Abril, Luís; Escrig Monferrer, María Teresa; Ortega, Juan Antonio
      An approach that provides a qualitative description of any image is presented in this paper. The main visual features (shape and colour) and the main spatial features (fixed orientation, relative orientation and topology) ...
    • A multi-agent system for managing adverse weather situations on the road network 

      Martí, Isabel; Tomás López, Vicente Ramón; García Fernández, Luis Amable; Martínez, Juan J.
      The development of traffic management and control strategies to improve traffic flows and road safety is necessary due to the high dynamism of traffic flows. The use of distributed intelligent systems can help the traffic ...
    • A natural interface for remote operation of underwater robots 

      García Sánchez, Juan Carlos; Patrao, Bruno; Almeida, Luis; Pérez Soler, Javier; Menezes, Paulo; Dias, Jorge; Sanz Valero, Pedro José
      Nowadays, an increasing need of intervention robotic systems can be observed in all kind of hazardous environments. In all these intervention systems, the human expert continues playing a central role from the decision-making ...
    • A Parallel Approach to HRTF Approximation and Interpolation Based on a Parametric Filter Model 

      Ramos, German; Cobos, Maximo; Bank, Balázs; Belloch Rodríguez, José Antonio
      Spatial audio-rendering techniques using head-related transfer functions (HRTFs) are currently used in many different contexts such as immersive teleconferencing systems, gaming, or 3-D audio reproduction. Since all these ...
    • A parallel solver for huge dense linear systems  

      Badía Contelles, José Manuel; Movilla Rosell, José Luis; Climente Plasencia, Joan Ignasi; Castillo Catalán, Maribel; Marqués Andrés, Mercedes; Mayo, Rafael; Quintana Ortí, Enrique S.; Planelles Fuster, Josep
      HDSS (Huge Dense Linear System Solver) is a Fortran Application Programming Interface (API) to facilitate the parallel solution of very large dense systems to scientists and engineers. The API makes use of parallelism to ...
    • A Pragmatic Qualitative Approach for Juxtaposing Shapes 

      Museros Cabedo, Lledó; González Abril, Luís; Velasco, Francisco; Falomir Llansola, Zoe
      This paper presents a qualitative shape description scheme which has been defined in order to have a formal theory to allow the construction of new shapes from a set of given shapes by using a juxtaposition operation. ...
    • A Qualitative Acceleration Model Based on Intervals 

      Martínez Martín, Ester; Escrig Monferrer, María Teresa; Pascual del Pobil Ferré, Ángel
      On the way to autonomous service robots, spatial reasoning plays a main role since it properly deals with problems involving uncertainty. In particular, we are interested in knowing people's pose to avoid collisions. With ...

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