In the context of computed tomography (CT), iterative image reconstruction techniques are gaining attention because high-quality images are becoming computationally feasible. They involve the solution of large systems of ...
[EN] A parallel algorithm for image noise removal is proposed. The algorithm is based on peer group concept and uses a fuzzy metric. An optimization study on the use of the CUDA platform to remove impulsive noise using ...
San Juan Sebastián, Pablo; Vidal Maciá, Antonio Manuel; García Mollá, Víctor Manuel; Martínez Zaldívar, Francisco José; Ranilla, J.; Alonso, P.; Alonso-González, M.; Cortina, R.(CMMSE, 2015-07)
[EN] NnmfPack is a numerical library designed to compute efficiently the
Non-Negative Matrix Factorization (NNMF). It has been conceived for
shared memory heterogeneous parallel systems, and it supports, from its
conception, ...
A parallel algorithm to remove impulsive noise in digital images using heterogeneous CPU/GPU computing is proposed. The parallel denoising algorithm is based on the peer group concept and uses an Euclidean metric. In order ...
Díaz-Gracia, N.; Cocaña-Fernández, A.; Alonso-González, M:; Martínez Zaldívar, Francisco José; Cortina, Raquel; García Mollá, Víctor Manuel; Alonso, P.; Ranilla, J.; Vidal Maciá, Antonio Manuel(Springer Verlag (Germany), 2015-05)
NnmfPack is a library for the nonnegative matrix factorization (NNMF) problem. Nowadays NNMF is an essential tool in many fields spanning machine learning, data analysis, image analysis or audio source separation, among ...
Ramiro Sánchez, Carla(Universitat Politècnica de València, 2015-07-30)
[EN] Nowadays, several communication standards are emerging and evolving, searching
higher transmission rates, reliability and coverage. This expansion is
primarily driven by the continued increase in consumption of mobile ...
Ramiro Sánchez, Carla; Vidal Maciá, Antonio Manuel; Gonzalez, Alberto(Springer, 2015-02)
This paper presents MIMOPack, a set of optimized functions to perform
some of themost complex stages in multiple-input multiple-output (MIMO) communication
systems such as channel coding, preprocessing, precoding and ...
[EN] The consumer market is continuously pushing for smarter, faster, more durable and cheaper products with ever more complex and sophisticated functionality. Other fields such as safety-critical and dependable applications ...
[EN] This paper describes several parallel algorithmic variations of the Neville elimination. This elimination solves a system of linear equations making zeros in a matrix column by adding to each row an adequate multiple ...
In this paper, we report a study on the parallelization of an algorithm
for removing impulsive noise in images. The algorithm is based on the concept
of peer group and fuzzy metric. We have developed implementations ...
Roche Peris, David(Universitat Politècnica de València, 2024-09-13)
[CA] L’alt interés industrial en els processadors RISC-V de codi obert han generat la necessitat de nous components més complexos que puguen optimitzar al màxim les prestacions dels processadors. Les caches compartides, ...