| Records |
| Author |
W. Agila; Gomer Rubio; L. Miranda; D. Sanaguano |
| Title |
Open Control Architecture for the Characterization and Control of the PEM Fuel Cell |
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Conference Article |
| Year |
2019 |
Publication  |
IEEE ETCM 2019 Fourth Ecuador Technical Chapters Meeting; Guayaquil, Ecuador |
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1-5 |
| Keywords |
PEM fuel cell, Experimental System, Control Engineering. |
| Abstract |
Proton exchange membrane (PEM) fuel cells, are an efficient and clean source of electrical energy. The analysis of its operation requires experimental work, which allows measuring, modeling and optimizing PEM fuel cells electrical behavior under different operating conditions. Therefore, having an experimentation platform that allows to easily carry out its study and control is essential. This research presents the design and development of an open instrumental system that allows measuring, controlling and determining the operating parameters of a PEM fuel cell. As results, the polarization curves, voltage-current, obtained by the system itself in different experimental conditions are shown. These curves are a very useful tool to evaluate the electrical behavior of the PEM battery. |
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no |
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gtsi @ user @ |
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118 |
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| Author |
Rato D., Oliveira M., Santos V., Sappa A. & Raducanu B. |
| Title |
Multi-View 2D to 3D Lifting Video-Based Optimization: A Robust Approach for Human Pose Estimation with Occluded Joint Prediction |
Type |
Journal Article |
| Year |
2024 |
Publication |
IEEE Int. Conf. on Intelligent Robots and Systems (IROS), Abu Dhabi, October 14-18, 2024 |
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no |
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cidis @ cidis @ |
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255 |
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| Author |
Silva Steven, Paillacho Dennys, Verdezoto Nervo, Hernandez Juan David |
| Title |
TOWARDS ONLINE SOCIALLY ACCEPTABLE ROBOT NAVIGATION |
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Conference Article |
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2022 |
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IEEE INTERNATIONAL CONFERENCE ON AUTOMATION SCIENCE AND ENGINEERING, |
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2022-August |
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707-714 |
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cidis @ cidis @ |
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199 |
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| Author |
Cristina L. Abad; Yi Lu; Roy H. Campbell |
| Title |
DARE: Adaptive Data Replication for Efficient Cluster Scheduling |
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Conference Article |
| Year |
2011 |
Publication |
IEEE International Conference on Cluster Computing, 2011 |
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159 - 168 |
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MapReduce, replication, scheduling, locality |
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Placing data as close as possible to computation is a common practice of data intensive systems, commonly referred to as the data locality problem. By analyzing existing production systems, we confirm the benefit of data locality and find that data have different popularity and varying correlation of accesses. We propose DARE, a distributed adaptive data replication algorithm that aids the scheduler to achieve better data locality. DARE solves two problems, how many replicas to allocate for each file and where to place them, using probabilistic sampling and a competitive aging algorithm independently at each node. It takes advantage of existing remote data accesses in the system and incurs no extra network usage. Using two mixed workload traces from Facebook, we show that DARE improves data locality by more than 7 times with the FIFO scheduler in Hadoop and achieves more than 85% data locality for the FAIR scheduler with delay scheduling. Turnaround time and job slowdown are reduced by 19% and 25%, respectively. |
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yes |
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cidis @ cidis @ |
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21 |
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| Author |
Cristhian A. Aguilera; Francisco J. Aguilera; Angel D. Sappa; Ricardo Toledo |
| Title |
Learning crossspectral similarity measures with deep convolutional neural networks |
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Conference Article |
| Year |
2016 |
Publication |
IEEE International Conference on Computer Vision and Pattern Recognition (CVPR) Workshops |
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267-275 |
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The simultaneous use of images from different spectra can be helpful to improve the performance of many com- puter vision tasks. The core idea behind the usage of cross- spectral approaches is to take advantage of the strengths of each spectral band providing a richer representation of a scene, which cannot be obtained with just images from one spectral band. In this work we tackle the cross-spectral image similarity problem by using Convolutional Neural Networks (CNNs). We explore three different CNN archi- tectures to compare the similarity of cross-spectral image patches. Specifically, we train each network with images from the visible and the near-infrared spectrum, and then test the result with two public cross-spectral datasets. Ex- perimental results show that CNN approaches outperform the current state-of-art on both cross-spectral datasets. Ad- ditionally, our experiments show that some CNN architec- tures are capable of generalizing between different cross- spectral domains. |
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English |
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no |
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cidis @ cidis @ |
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48 |
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| Author |
Patricia L. Suárez, Angel D. Sappa, Boris X. Vintimilla |
| Title |
Cycle generative adversarial network: towards a low-cost vegetation index estimation |
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Conference Article |
| Year |
2021 |
Publication |
IEEE International Conference on Image Processing (ICIP 2021) |
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2021-September |
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2783-2787 |
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CyclicGAN, NDVI, near infrared spectra, instance normalization. |
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This paper presents a novel unsupervised approach to estimate the Normalized Difference Vegetation Index (NDVI).The NDVI is obtained as the ratio between information from the visible and near infrared spectral bands; in the current work, the NDVI is estimated just from an image of the visible spectrum through a Cyclic Generative Adversarial Network (CyclicGAN). This unsupervised architecture learns to estimate the NDVI index by means of an image translation between the red channel of a given RGB image and the NDVI unpaired index’s image. The translation is obtained by means of a ResNET architecture and a multiple loss function. Experimental results obtained with this unsupervised scheme show the validity of the implemented model. Additionally, comparisons with the state of the art approaches are provided showing improvements with the proposed approach. |
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no |
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cidis @ cidis @ |
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164 |
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| Author |
Steven Silva, Nervo Verdezoto, Dennys Paillacho, Samuel Millan-Norman & Juan David Hernandez |
| Title |
Online Social Robot Navigation in Indoor, Large and Crowded Environments. |
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Conference Article |
| Year |
2023 |
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IEEE International Conference on Robotics and Automation (ICRA 2023) Londres, 29 may 2023 – 2 jun 2023 |
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2023-May |
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9749 - 9756 |
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10504729 |
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979-835032365-8 |
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no |
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cidis @ cidis @ |
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206 |
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| Author |
Cristhian A. Aguilera; Angel D. Sappa; R. Toledo |
| Title |
LGHD: A feature descriptor for matching across non-linear intensity variations |
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Conference Article |
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2015 |
Publication |
IEEE International Conference on, Quebec City, QC, 2015 |
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178 - 181 |
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Feature descriptor, multi-modal, multispectral, NIR, LWIR |
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This paper presents a new feature descriptor suitable to the task of matching features points between images with nonlinear intensity variations. This includes image pairs with significant illuminations changes, multi-modal image pairs and multi-spectral image pairs. The proposed method describes the neighbourhood of feature points combining frequency and spatial information using multi-scale and multi-oriented Log- Gabor filters. Experimental results show the validity of the proposed approach and also the improvements with respect to the state of the art. |
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IEEE |
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Quebec City, QC, Canada |
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English |
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English |
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2015 IEEE International Conference on Image Processing (ICIP) |
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no |
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cidis @ cidis @ |
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40 |
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| Author |
Leo Ramos & Angel D. Sappa |
| Title |
Multispectral Semantic Segmentation for Land Cover Classification: An Overview |
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| Year |
2024 |
Publication |
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing |
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Vol. 17 |
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14295-14336 |
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19391404 |
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no |
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cidis @ cidis @ |
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250 |
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| Author |
Leo Thomas Ramos & Angel D. Sappa |
| Title |
Dual-branch ConvNeXt-based Network with Attentional Fusion Decoding for Land Cover Classification Using Multispectral Imagery |
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Conference Article |
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2025 |
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IEEE SoutheastCon 2025 |
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no |
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cidis @ cidis @ |
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271 |
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