Now showing items 1-14 of 14

    • Attention to online channels across the path to purchase: an eye-tracking study 

      Cortiñas Ugalde, Mónica Upna; Cabeza Laguna, Rafael Upna; Chocarro Eguaras, Raquel Upna; Villanueva Larre, Arantxa Upna (Elsevier, 2019)   Artículo / Artikulua
      Currently, consumers display what is known as omnichannel behavior: the combined use of digital and physical channels providing them with multiple points of contact with firms. We combine the stimulus-organism-response (S-O-R) ...
    • Contributions to Head Pose Estimation methods 

      Ariz Galilea, Mikel Upna (2016)   Tesis doctoral / Doktoretza tesia  OpenAccess
      Head Pose Estimation (HPE) is currently a growing research field, mainly because of the proliferation of human-computer interfaces (HCI) in the last decade. It offers a wide variety of applications, including driver ...
    • Evaluation of accurate eye corner detection methods for gaze estimation 

      Bengoechea Irañeta, José Javier; Cerrolaza Martínez, Juan José; Villanueva Larre, Arantxa Upna; Cabeza Laguna, Rafael Upna (Bern Open Publishing, 2014)   Artículo / Artikulua  OpenAccess
      Accurate detection of iris center and eye corners appears to be a promising approach for low cost gaze estimation. In this paper we propose novel eye inner corner detection methods. Appearance and feature based segmentation ...
    • Fast and robust ellipse detection algorithm for head-mounted eye tracking systems 

      Martinikorena Aranburu, Ion Upna; Cabeza Laguna, Rafael Upna; Villanueva Larre, Arantxa Upna; Urtasun, Iñaki; Larumbe Bergera, Andoni Upna (Springer, 2018)   Artículo / Artikulua  OpenAccess
      In head-mounted eye tracking systems, the correct detection of pupil position is a key factor in estimating gaze direction. However, this is a challenging issue when the videos are recorded in real-world conditions, due ...
    • Fisiopatología y técnicas de registro de los movimientos oculares 

      Gila Useros, Luis; Villanueva Larre, Arantxa Upna; Cabeza Laguna, Rafael Upna (Gobierno de Navarra, 2009)   Artículo / Artikulua  OpenAccess
      En el control de la motilidad ocular intervienen varios sistemas funcionales. Los reflejos vestíbulo-oculares y optocinéticos son respuestas automáticas para compensar los movimientos de la cabeza y del entorno visual y ...
    • Gaze tracking system model based on physical parameters 

      Villanueva Larre, Arantxa Upna; Cabeza Laguna, Rafael Upna; Porta Cuéllar, Sonia Upna (World Scientific Publishing, 2007)   Artículo / Artikulua  OpenAccess
      In the past years, research in eye tracking development and applications has attracted much attention and the possibility of interacting with a computer employing just gaze information is becoming more and more feasible. ...
    • Hybrid method based on topography for robust detection of iris center and eye corners 

      Villanueva Larre, Arantxa Upna; Ponz Sarvisé, Victoria; Sesma Sánchez, Laura Upna; Ariz Galilea, Mikel Upna; Porta Cuéllar, Sonia Upna; Cabeza Laguna, Rafael Upna (ACM (Association for Computing Machinery), 2013)   Artículo / Artikulua  OpenAccess
      A multi-stage procedure to detect eye features is presented. Multiresolution and topographic classification are used to detect the iris center. The eye corner is calculated combining valley detection and eyelid curve ...
    • Image, brand and price info: do they always matter the same? 

      Cortiñas Ugalde, Mónica Upna; Chocarro Eguaras, Raquel Upna; Villanueva Larre, Arantxa Upna (Association for Computing Machinery (ACM), 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      We study attention processes to brand, price and visual information about products in online retailing websites, simultaneously considering the effects of consumers’ goals, purchase category and consumers’ statements. We ...
    • Introducing I2Head database 

      Martinikorena Aranburu, Ion Upna; Cabeza Laguna, Rafael Upna; Villanueva Larre, Arantxa Upna; Porta Cuéllar, Sonia Upna (ACM (Association for Computing Machinery), 2018)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      I2Head database has been created with the aim to become an optimal reference for low cost gaze estimation. It exhibits the following outstanding characteristics: it takes into account key aspects of low resolution eye ...
    • Low cost gaze estimation: knowledge-based solutions 

      Martinikorena Aranburu, Ion Upna; Larumbe Bergera, Andoni Upna; Ariz Galilea, Mikel Upna; Porta Cuéllar, Sonia Upna; Cabeza Laguna, Rafael Upna; Villanueva Larre, Arantxa Upna (IEEE, 2020)   Artículo / Artikulua
      Eye tracking technology in low resolution scenarios is not a completely solved issue to date. The possibility of using eye tracking in a mobile gadget is a challenging objective that would permit to spread this technology ...
    • Models for gaze tracking systems 

      Villanueva Larre, Arantxa Upna; Cabeza Laguna, Rafael Upna (Hindawi Publishing Corporation, 2007)   Artículo / Artikulua  OpenAccess
      One of the most confusing aspects that one meets when introducing oneself into gaze tracking technology is the wide variety, in terms of hardware equipment, of available systems that provide solutions to the same matter, ...
    • Optimizing interoperability between video-oculographic and electromyographic systems 

      Navallas Irujo, Javier Upna; Ariz Galilea, Mikel Upna; Villanueva Larre, Arantxa Upna; San Agustín, Javier; Cabeza Laguna, Rafael Upna (Rehabilitation Research & Development Service, 2011)   Artículo / Artikulua  OpenAccess
      A new system is presented that enhances the interoperability between a video-oculographic (VOG) system for mouse movement control and an electromyographic (EMG) system for mouse click detection. The proposed VOG-EMG system ...
    • Robust and accurate 2D-tracking-based 3D positioning method: application to head pose estimation 

      Ariz Galilea, Mikel Upna; Villanueva Larre, Arantxa Upna; Cabeza Laguna, Rafael Upna (Elsevier, 2019)   Artículo / Artikulua  OpenAccess
      Head pose estimation (HPE) is currently a growing research field, mainly because of the proliferation of human–computer interfaces (HCI) in the last decade. It offers a wide variety of applications, including human behavior ...
    • U2Eyes: a binocular dataset for eye tracking and gaze estimation 

      Porta Cuéllar, Sonia Upna; Bossavit, Benoît Upna; Cabeza Laguna, Rafael Upna; Larumbe Bergera, Andoni Upna; Garde Lecumberri, Gonzalo Upna; Villanueva Larre, Arantxa Upna (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena
      Theory shows that huge amount of labelled data are needed in order to achieve reliable classification/regression methods when using deep/machine learning techniques. However, in the eye tracking field, manual annotation ...