Search Results - "Migallón, H."

Multi-level parallel chaotic Jaya optimization algorithms for solving constrained engineering design problems by Migallón, H., Jimeno-Morenilla, A., Rico, H., Sánchez-Romero, J. L., Belazi, A.

“…Several heuristic optimization algorithms have been applied to solve engineering problems. Most of these algorithms are based on populations that evolve…”
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Efficient parallel and fast convergence chaotic Jaya algorithms by Migallón, H., Jimeno-Morenilla, A., Sánchez-Romero, J.L., Belazi, A.

“…The Jaya algorithm is a recent heuristic approach for solving optimisation problems. It involves a random search for the global optimum, based on the…”
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Multipopulation-based multi-level parallel enhanced Jaya algorithms by Migallón, H., Jimeno-Morenilla, A., Sánchez-Romero, J. L., Rico, H., Rao, R. V.

“…To solve optimization problems, in the field of engineering optimization, an optimal value of a specific function must be found, in a limited time, within a…”
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Jaya optimization algorithm with GPU acceleration by Jimeno-Morenilla, A., Sánchez-Romero, J. L., Migallón, H., Mora-Mora, H.

“…Optimization methods allow looking for an optimal value given a specific function within a constrained or unconstrained domain. These methods are useful for a…”
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A highly scalable parallel encoder version of the emergent JEM video encoder by López-Granado, O., Migallón, H., Martínez-Rach, M., Galiano, V., Malumbres, M. P., Van Wallendael, Glenn

“…In 2016, 73% of total Internet traffic came from video transmission and this percentage is expected to reach 82% by 2021. These figures show the importance of…”
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Distributed memory parallel approaches for HEVC encoder by Migallón, H., Galiano, V., Piñol, P., López-Granado, O., Malumbres, M. P.

“…The HEVC video coding standard launched on 2013, is able to reduce to the half, on average, the bit stream size produced by H.264/AVC encoder at the same video…”
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Performance analysis of frame partitioning in parallel HEVC encoders by Migallón, H., Piñol, P., López-Granado, O., Galiano, V., Malumbres, M. P.

“…The new video coding standard HEVC includes two concepts that allow to partition a frame into regions that can be independently encoded and decoded. These two…”
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GPU-based HEVC intra-prediction module by Galiano, V., Migallón, H., Herranz, V., Piñol, P., López-Granado, O., Malumbres, M. P.

“…The HEVC video coding standard requires nearly 70 % more time than H.264/AVC to encode a video sequence. Manycore architectures can considerably help to reduce…”
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GPU-based parallel algorithms for sparse nonlinear systems by Galiano, V., Migallón, H., Migallón, V., Penadés, J.

“…In this work we describe some parallel algorithms for solving nonlinear systems using CUDA (Compute Unified Device Architecture) over a GPU (Graphics…”
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Synchronous and asynchronous HEVC parallel encoder versions based on a GOP approach by Migallón, H., Hernández-Losada, J.L., Cebrián-Márquez, G., Piñol, P., Martínez, J.L., López-Granado, O., Malumbres, M.P.

“…In this paper, we focus on applying parallel processing techniques to HEVC encoder in order to significantly reduce the computational power requirements…”
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Slice-based parallel approach for HEVC encoder by Piñol, P., Migallón, H., López-Granado, O., Malumbres, M. P.

“…The high efficiency video coding (HEVC) is the newest video coding standard from the ITU-T Video Coding Experts Group and the ISO/IEC Moving Picture Experts…”
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Parallel strategies for 2D Discrete Wavelet Transform in shared memory systems and GPUs by Galiano, V., López, O., Malumbres, M. P., Migallón, H.

“…In this work, we analyze the behavior of several parallel algorithms developed to compute the two-dimensional discrete wavelet transform using both OpenMP over…”
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Parallel strategies analysis over the HEVC encoder by Piñol, P., Migallón, H., López-Granado, O., Malumbres, M. P.

“…Recently, a new video coding standard called HEVC has been developed to deal with the nowadays media market challenges, being able to reduce to the half, on…”
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Comparison of High Performance Parallel Implementations of TLBO and Jaya Optimization Methods on Manycore GPU by Rico-Garcia, H., Sanchez-Romero, Jose-Luis, Jimeno-Morenilla, A., Migallon-Gomis, H., Mora-Mora, H., Rao, R. V.

“…The utilization of optimization algorithms within engineering problems has had a major rise in recent years, which has led to the proliferation of a large…”
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Fast 3D wavelet transform on multicore and many-core computing platforms by Galiano, V., López-Granado, O., Malumbres, M. P., Migallón, H.

“…The three-dimensional wavelet transform (3D-DWT) has focused the attention of the research community, most of all in areas such as video watermarking,…”
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Parallel Newton two-stage methods based on ILU factorizations for nonlinear systems by Arnal, J., Migallón, H., Migallón, V., Penadés, J.

“…Parallel iterative algorithms based on the Newton method and on two of its variants, the Shamanskii method and the Chord method, for solving nonlinear systems…”
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Monitoring pest insect traps by means of low-power image sensor technologies by López, Otoniel, Rach, Miguel Martinez, Migallon, Hector, Malumbres, Manuel P, Bonastre, Alberto, Serrano, Juan J

“…Monitoring pest insect populations is currently a key issue in agriculture and forestry protection. At the farm level, human operators typically must perform…”
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Alternating two-stage methods for consistent linear systems with applications to the parallel solution of Markov chains by Migallon, H, Migallon, V, Penades, J

“…Two-stage methods in which the inner iterations are accomplished by an alternating method are developed. Convergence of these methods is shown in the context…”
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PyPnetCDF: A high level framework for parallel access to netCDF files by Galiano, Vicente, Migallón, Héctor, Migallón, Violeta, Penadés, Jose

“…A Python tool for manipulating netCDF files in a parallel infrastructure is proposed. The parallel interface, PyPnetCDF, manages netCDF properties in a similar…”
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