Recent Submissions

  • Variable selection in microbiome compositional data analysis 

    Susín Sánchez, Antonio; Calle, M. L.; Wang, Yiwen; Le Cao, Kim-Anh (2020-06-01)
    Article
    Open Access
    Though variable selection is one of the most relevant tasks in microbiome analysis, e.g. for the identification of microbial signatures, many studies still rely on methods that ignore the compositional nature of microbiome ...
  • The Rocketbox library and the utility of freely available rigged avatars 

    Gonzalez-Franco, Mar; Ofek, Eyal; Pan, Ye; Antley, Angus; Steed, Anthony; Spanlang, Bernhard; Maselli, Antonella; Banakou, Domna; Pelechano Gómez, Núria; Orts-Escolano, Sergio; Orvalho, Veronica; Trutoiu, Laura; Wójcik, Markus; Sanchez-Vives, Maria V.; Bailenson, Jeremy; Slater, Mel; Lanier, Jaron (2020-11-03)
    Article
    Open Access
    As part of the open sourcing of the Microsoft Rocketbox avatar library for research and academic purposes, here we discuss the importance of rigged avatars for the Virtual and Augmented Reality (VR, AR) research community. ...
  • Syntactic and semantic analysis for extended feedback on computer graphics assignments 

    Andújar Gran, Carlos Antonio; Vijulie, Cristina Raluca; Vinacua Pla, Álvaro (2020-05-01)
    Article
    Open Access
    Modern computer graphics courses require students to complete assignments involving computer programming. The evaluation of student programs, either by the student (self-assessment) or by the instructors (grading) can take ...
  • Interactive framework for the visual exploration of colonic data 

    Males, Jan; Monclús Lahoya, Eva; Díaz Iriberri, José; Navazo Álvaro, Isabel; Vázquez Alcocer, Pere Pau (2020-10)
    Article
    Restricted access - publisher's policy
    Computerized Tomography (CT) and, more recently, Magnetic Resonance Imaging (MRI) have become the state-of-the art techniques for morpho-volumetric analysis of abdominal cavities. Due to its constant motility, the colon ...
  • Marker-less monitoring protocol to analyze biomechanical joint metrics during pedaling 

    Serrancolí, Gil; Bogatikov, Peter; Palés Huix, Joana; Forcada, Ainoa; Sánchez Egea, Antonio José; Torner Ribé, Jordi; Kanaan Izquierdo, Samir; Susín Sánchez, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2020-07-02)
    Article
    Open Access
    Marker-less systems are becoming popular to detect a human skeleton in an image automatically. However, these systems have difficulties in tracking points when part of the body is hidden, or there is an artifact that does ...
  • Follower behavior under stress in immersive VR 

    Ríos Jerez, Alejandro; Pelechano Gómez, Núria (2020-12)
    Article
    Open Access
    Understanding human decision making is a key requirement to improve crowd simulation models so that they can better mimic real human behavior. It is often difficult to study human decision making during dangerous situations ...
  • A scalable approach to T2-MRI colon segmentation 

    Orellana Bech, Bernat; Monclús Lahoya, Eva; Navazo Álvaro, Isabel; Brunet Crosa, Pere; Bendezú García, Álvaro; Azpiroz Vidaur, Fernando (2020-07-01)
    Article
    Restricted access - publisher's policy
    The study of the colonic volume is a procedure with strong relevance to gastroenterologists. Depending on the clinical protocols, the volume analysis has to be performed on MRI of the unprepared colon without contrast ...
  • VR4Health: personalized teaching and learning anatomy using VR 

    Fairén González, Marta; Moyes Ardiaca, Jordi; Insa Calderón, Esther (2020-03-19)
    Article
    Open Access
    Virtual Reality (VR) is being integrated into many different areas of our lives, from industrial engineering to video-games, and also including teaching and education. We have several examples where VR has been used to ...
  • Codimension-3 bifurcation for continuous saddle bimodal linear dynamical systems 

    Ferrer Llop, Josep; Peña Carrera, Marta; Susín Sánchez, Antonio (2018-02-01)
    Article
    Open Access
    We continue the study of the structural stability and the bifurcations of planar continuous bimodal linear dynamical systems (that is, systems consisting of two linear dynamics acting on each side of a straight line, ...
  • Analysis of the winning probability and the scoring actions in the American professional soccer championship 

    Susín Sánchez, Antonio (2020-01-01)
    Article
    Open Access
    This study aimed to assess the effect of the scoring moment on the conditional probability of winning or losing a professional soccer match, as well as identified the most influential variables contributing to victory in ...
  • Multi-agent parallel hierarchical path finding in navigation meshes (MA-HNA*) 

    Rahmani, Vahid; Pelechano Gómez, Núria (2020-02)
    Article
    Restricted access - publisher's policy
    One of the main challenges in video games is to compute paths as efficiently as possible for groups of agents. As both the size of the environments and the number of autonomous agents increase, it becomes harder to obtain ...
  • First impressions: A survey on vision-based apparent personality trait analysis 

    Jacques Junior, Julio; Güçlütürk, Yagmur; Pérez Quintana, Marc; Güçlü, Umut; Andújar Gran, Carlos Antonio; Baró Solé, Xavier; Escalante Balderas, Hugo Jair; Guyon, Isabelle; van Gerven, Marcel A. J.; van Lier, Rob; Escalera Guerrero, Sergio (Institute of Electrical and Electronics Engineers (IEEE), 2019-07-23)
    Article
    Open Access
    Personality analysis has been widely studied in psychology, neuropsychology, and signal processing fields, among others. From the past few years, it also became an attractive research area in visual computing. From the ...

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