• A Spatially Adaptive Edge-Preserving Denoising Method Based on Fractional-Order Variational PDEs 

  Wang, Dehua; Nieto Roig, Juan José; Li, Xiaoping; Li, Yiming (IEEE, 2020)

  Image denoising is a basic problem in image processing. An important task of image denoising is to preserve the significant geometric features such as edges and textures while filtering out noise. So far, this is still a ...

• Estimación del área basimétrica en masas maduras de Pinus sylvestris en base a una única medición del escáner láser terrestre (TLS) 

  Molina Valero, Juan Alberto; Ginzo Villamayor, María José; Novo Pérez, Manuel Antonio; Álvarez González, Juan Gabriel; Pérez Cruzado, César (Sociedad Española de Ciencias Forestales (SECF), 2019)

  El láser escáner terrestre (TLS) ha surgido como un nuevo dispositivo de tecnología LiDAR con un gran potencial para ser implementado en inventarios forestales (IIFF). En este trabajo se ha desarrollado un algoritmo con ...

• First order differential systems with a nonlinear boundary condition via the method of solution-regions 

  Frigon, Marlène; Tella Álvarez, Marcos; Fernández Tojo, Fernando Adrián (Springer Nature, 2021)

  In this article we extend the known theory of solution regions to encompass nonlinear boundary conditions. We both provide results for new boundary conditions and recover some known results for the linear case

• A Clustering Perspective of the Collatz Conjecture 

  Tenreiro Machado, José António; Galhano, Alexandra; Cao Labora, Daniel (MDPI, 2021)

  This manuscript focuses on one of the most famous open problems in mathematics, namely the Collatz conjecture. The first part of the paper is devoted to describe the problem, providing a historical introduction to it, as ...

• FORTLS: An R Package for Processing TLS Data and Estimating Stand Variables in Forest Inventories 

  Molina Valero, Juan Alberto; Ginzo Villamayor, María José; Novo Pérez, Manuel Antonio; Álvarez González, Juan Gabriel; Montes, Fernando; Martínez Calvo, Adela; Pérez Cruzado, César (MDPI, 2021)

  Terrestrial Laser Scanning (TLS) enables rapid, automatic, and detailed 3D representation of surfaces with an easily handled scanner device. TLS, therefore, shows great potential for use in Forest Inventories (FIs). However, ...

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