Browsing by Author "Cabrero Daniel, Beatriz"

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  • A perceptually-validated metric for crowd trajectory quality evaluation
    Cabrero Daniel, Beatriz; Marques, Ricardo; Hoyet, Ludovic; Pettré, Julien; Blat, Josep (ACM Association for Computer Machinery, 2021)
    Simulating crowds requires controlling a very large number of trajectories and is usually performed using crowd motion algorithms for which appropriate parameter values need to be found. The study of the relation between ...
  • Automating crowd simulation: from parameter tuning to dynamic context-to-policy adaptation
    Cabrero Daniel, Beatriz (Universitat Pompeu Fabra, 2022-01-25)
    Computer-generated crowds are becoming more and more frequent in films, video games and safety assessment applications. Many crowd simulation algorithms exist to address the needs of this diverse range of industries. Even ...
  • Cross-Entropy method for Kullback-Leibler control in multi-agent systems
    Cabrero Daniel, Beatriz (2017-07)
    We consider the problem of computing optimal control policies in large-scale multiagent systems, for which the standard approach via the Bellman equation is intractable. Our formulation is based on the Kullback-Leibler ...
  • Dynamic combination of crowd steering policies based on context
    Cabrero Daniel, Beatriz; Marques, Ricardo; Hoyet, Ludovic; Pettré, Julien; Blat, Josep (Wiley, 2022)
    Simulating crowds requires controlling a very large number of trajectories of characters and is usually performed using crowd steering algorithms. The question of choosing the right algorithm with the right parameter values ...
  • Quantification of HBsAg to predict low levels and seroclearance in HBeAg-negative patients receiving nucleos(t)ide analogues
    Broquetas, Teresa; Garcia-Retortillo, Montserrat; Hernández, Juanjo; Puigvehí, Marc; Cañete Hidalgo, Nuria; Coll Estrada, Susanna; Cabrero Daniel, Beatriz; Giménez Romaní, Maria Dolors; Solà Lamoglia, Ricard; Carrión Rodríguez, José Antonio (Public Library of Science (PLoS), 2017)
    BACKGROUND: HBeAg-negative chronic hepatitis B patients require long-term nucleos(t)ide analogues(NAs) because loss of surface antigen (HBsAg) is unusual. Low quantitative HBsAg (qHBsAg) levels can identify patients with ...

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