Buscar
Speeding up the log-polar transform with inexpensive parallel hardware: graphics units and multi-core architectures
(Springer-Verlag, 2012)
Log-polar imaging is a kind of foveal, biologically inspired visual representation with advantageous properties in practical applications in computer vision, robotics, and other fields. While the cheapest, most flexible, ...
Effects of mitigation of pixel crosstalk in the encoding of complex fields using the double-phase method
(Society of Photo-optical Instrumentation Engineers, 2020)
We report on unwanted effects of pixel cross-talk and its mitigation on the experimental realization
of the double-phase method with phase-only spatial light modulators. We experimentally demonstrate that a
generalized ...
Three Dimensional Visualization of Long Range Scenes by Photon Counting Mid-Wave Infrared Integral Imaging
(2015-07-03)
Integral Imaging under photon counting conditions has found different three-dimensional (3D) imaging applications, including 3D image reconstruction and recognition. In this letter, we present the application of the maximum ...
Femtosecond laser micromachining with extended depth of focus by using diffractive lenses
(Elsevier, 2014-06-01)
We show that a simple diffraction focusing element can alleviate mechanical tolerances in ultrafast laser microprocessing. In particular, we experimentally demonstrate that, in comparison with a conventional refractive ...
A bias correction function for classification performance assessment in two-class imbalanced problems
(Elsevier, 2014)
This paper introduces a framework that allows to mitigate the impact of class imbalance on most scalar performance measures when used to evaluate the behavior of classifiers. Formally, a correction function is defined with ...
Three-dimensional fluorescence imaging using the transport of intensity equation
(SPIE, 2019-11-12)
We propose a nonscanning three-dimensional (3-D) fluorescence imaging technique using the transport of intensity equation (TIE) and free-space Fresnel propagation. In this imaging technique, a phase distribution corresponding ...
Educación para el Desarrollo en los Programas Universitarios para Mayores (PUM) en España
(Universidad Loyola Andalucía, 2019)
En las últimas décadas, los Programas Universitarios para Mayores (PUM) han experimentado un importante desarrollo y crecimiento en España como respuesta a los cambios socio–demográficos acaecidos en nuestro país, en ...
Hierarchical spatial modeling of the presence of Chagas disease insect vectors in Argentina. A comparative approach
(Springer Verlag, 2016)
We modeled the spatial distribution of the most important Chagas disease vectors in Argentina, in order to obtain a predictive mapping method for the probability of presence of the vector species. We analyzed both the ...
Space-time autoregressive estimation and prediction with missing data based on Kalman filtering
(Wiley, 2020-11)
We propose a Kalman filter algorithm to provide a formal statistical analysis of space‐time data with an autoregressive structure in time. The Kalman filter technique allows to capture the temporal dependence as well as ...
Survey of Decentralized Solutions with Mobile Devices for User Location Tracking, Proximity Detection, and Contact Tracing in the COVID-19 Era
(MDPI, 2020-09-23)
Some of the recent developments in data science for worldwide disease control have
involved research of large-scale feasibility and usefulness of digital contact tracing, user location
tracking, and proximity detection ...