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Listar por autor "López Hernández, Fernando"

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    • A Nondisturbing Service to Automatically Customize Notification Sending Using Implicit-Feedback 

      López Hernández, Fernando ; Verdú, Elena ; Rainer, J Javier ; González-Crespo, Rubén (Scientific Programming, 2019)
      This paper addresses the problem of automatically customizing the sending of notifications in a nondisturbing way, that is, by using only implicit-feedback. Then, we build a hybrid filter that combines text mining content ...

    • A Visual Analytics Method for Score Estimation in Learning Courses 

      de-la-Fuente-Valentín, Luis ; Pardo, Abelardo; López Hernández, Fernando ; Burgos, Daniel (Journal of Universal Computer Science, 01/2015)
      The provision of awareness is a well-known method for fostering students' self-reflection, a metacognitive skill often related to academic success and considered one of the key skills of the 21st century. Although the ...

    • Data Science Techniques for COVID-19 in Intensive Care Units 

      Muñoz Lezcano, Sergio ; López Hernández, Fernando ; Corbi, Alberto (International Journal of Interactive Multimedia and Artificial Intelligence, 12/2020)
      Data scientists aim to provide techniques and tools to the clinicians to manage the new coronavirus disease. Nowadays, new emerging tools based on Artificial Intelligence (AI), Image Processing (IP) and Machine Learning ...

    • Detecting image brush editing using the discarded coefficients and intentions 

      López Hernández, Fernando ; de-la-Fuente-Valentín, Luis ; Sarría, Íñigo (International Journal of Interactive Multimedia and Artificial Intelligence, 06/2019)
      This paper describes a quick and simple method to detect brush editing in JPEG images. The novelty of the proposed method is based on detecting the discarded coefficients during the quantization of the image. Another novelty ...

    • Improving the activities of a robotic guide by taking into account human reactions 

      Rainer, J Javier ; López Hernández, Fernando ; Galán, Ramón (Data Science and knowledge Engineerign for Sensing Decision Support, 2018)
      Traditionally robots are autonomous systems that plan and execute actions without taking into account any external feedback. This paper studies to what extent a robot is able to alter its behavior based on observing a ...

    • Residue properties for the arithmetical estimation of the image quantization table 

      López Hernández, Fernando ; Giménez de Ory, Elena ; Ríos Aguilar, Sergio ; González-Crespo, Rubén (Applied Soft Computing, 06/2018)
      Ttaditionally, a statistical approach has been used to detect the JPEG quantization table used to compressa bitmap. This approach has the disadvantage that at times false solutions are found. These false solutions may have ...

    • Tree-based convolutional neural networks for object classification in segmented satellite images 

      Robinson, Y.H.; Vimal, S.; Khari, Manju; López Hernández, Fernando ; González-Crespo, Rubén (SAGE Publications Inc., 2020)
      Satellite images have a very high resolution, which make their automatic processing computationally costly, and they suffer from artifacts making their processing difficult. This paper describes a method for the effective ...