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Author |
Patricia L. Suarez; Angel D. Sappa; Boris X. Vintimilla |
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Title |
Vegetation Index Estimation from Monospectral Images |
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Conference Article |
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Year |
2018 |
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15th International Conference, Image Analysis and Recognition (ICIAR 2018), Póvoa de Varzim, Portugal. Lecture Notes in Computer Science |
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10882 |
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353-362 |
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This paper proposes a novel approach to estimate Normalized
Difference Vegetation Index (NDVI) from just the red channel of
a RGB image. The NDVI index is defined as the ratio of the difference
of the red and infrared radiances over their sum. In other words, information
from the red channel of a RGB image and the corresponding
infrared spectral band are required for its computation. In the current
work the NDVI index is estimated just from the red channel by training a
Conditional Generative Adversarial Network (CGAN). The architecture
proposed for the generative network consists of a single level structure,
which combines at the final layer results from convolutional operations
together with the given red channel with Gaussian noise to enhance
details, resulting in a sharp NDVI image. Then, the discriminative model
estimates the probability that the NDVI generated index came from the
training dataset, rather than the index automatically generated. Experimental
results with a large set of real images are provided showing that
a Conditional GAN single level model represents an acceptable approach
to estimate NDVI index. |
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gtsi @ user @ |
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82 |
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Author |
Juan A. Carvajal; Dennis G. Romero; Angel D. Sappa |
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Title |
Fine-tuning deep convolutional networks for lepidopterous genus recognition |
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Journal Article |
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2017 |
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Lecture Notes in Computer Science |
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Vol. 10125 LNCS |
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pp. 467-475 |
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gtsi @ user @ |
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63 |
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Author |
Calderón, Eddy; Riofrio, Ariel; Baykara, Haci; Realpe, Miguel; Paillacho, Jonathan |
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Title |
Predictive Modeling of Ecuadorian Zeolite-Based Geopolymer Compressive Strength: A Machine Learning Approach |
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Conference Article |
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Year |
2025 |
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Communications in Computer and Information Science. 6th International Conference on International Conference on Applied Technologies, ICAT 2024 Samborondon, 20-22 noviembre 2024 |
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Vol. 2457 CCIS |
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14 - 29 |
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cidis @ cidis @ |
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282 |
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Author |
Henry O. Velesaca , Miguel Realpe, Angel D. Sappa & Alice Gomez |
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Title |
Analysis of Hidden Patterns in Road Accident Dataset using Clustering Techniques |
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Conference Article |
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Year |
2026 |
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Communications in Computer and Information Science. 4th International Conference on Smart Technologies, Systems and Applications, SmartTech-IC 2024, Quito 2-4 Diciembre 2024 |
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2393 CCIS |
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96–111 |
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no |
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cidis @ cidis @ |
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257 |
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Author |
Henry O. Velesaca, Doménica Carrasco, Angel D. Sappa, Juan A. Holgado-Terriza & Wilton Agila |
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Title |
Industrial Anomaly Detection: Bridging OPC-UA with Classical and Deep Learning Methods |
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Conference Article |
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2026 |
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Communications in Computer and Information Science. 4th International Conference on Smart Technologies, Systems and Applications, SmartTech-IC 2024, Quito 2-4 Diciembre 2024 |
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2392 CCIS |
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3 - 18 |
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18650929 |
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978-303198286-6 |
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no |
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cidis @ cidis @ |
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256 |
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Author |
Steven Silva, Nervo Verdezoto, Dennys Paillacho, Samuel Millan-Norman & Juan David Hernandez |
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Title |
Online Social Robot Navigation in Indoor, Large and Crowded Environments. |
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Conference Article |
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Year |
2023 |
Publication |
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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cidis @ cidis @ |
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206 |
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Author |
Spencer Low, Oliver Nina, Angel D. Sappa, Erik Blasch, Nathan Inkawhich |
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Title |
Multi-modal Aerial View Image Challenge: Translation from Synthetic Aperture Radar to Electro-Optical Domain Results – PBVS 2023 |
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Conference Article |
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Year |
2023 |
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19th IEEE Workshop on Perception Beyond the Visible Spectrum de la Conferencia Computer Vision & Pattern Recognition (CVPR 2023) Vancouver, 18-28 junio 2023 |
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2023-June |
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515 - 523 |
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21607508 |
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979-835030249-3 |
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Call Number |
cidis @ cidis @ |
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211 |
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Author |
Rafael E. Rivadeneira, Angel D. Sappa, Boris X. Vintimilla, Chenyang Wang, Junjun Jiang, Xianming Liu, Zhiwei Zhong, Dai Bin, Li Ruodi, Li Shengye |
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Title |
Thermal Image Super-Resolution Challenge Results – PBVS 2023 |
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Conference Article |
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Year |
2023 |
Publication |
19th IEEE Workshop on Perception Beyond the Visible Spectrum de la Conferencia Computer Vision & Pattern Recognition (CVPR 2023) Vancouver, 18-28 junio 2023 |
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2023-June |
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470 - 478 |
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21607508 |
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979-835030249-3 |
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no |
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Call Number |
cidis @ cidis @ |
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210 |
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Author |
Spencer Low, Oliver Nina, Angel D. Sappa, Erik Blasch, Nathan Inkawhich |
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Title |
Multi-modal Aerial View Object Classification Challenge Results – PBVS 2023 |
Type |
Conference Article |
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Year |
2023 |
Publication |
19th IEEE Workshop on Perception Beyond the Visible Spectrum de la Conferencia Computer Vision & Pattern Recognition (CVPR 2023) Vancouver, 18-28 junio 2023 |
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2023-June |
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412 - 421 |
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21607508 |
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979-835030249-3 |
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cidis @ cidis @ |
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212 |
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Author |
Rafael E. Rivadeneira, Angel D. Sappa, Boris X. Vintimilla, Jin Kim, Dogun Kim et al. |
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Title |
Thermal Image Super-Resolution Challenge Results- PBVS 2022. |
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Conference Article |
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Year |
2022 |
Publication |
Computer Vision and Pattern Recognition Workshops, (CVPRW 2022), junio 19-24. |
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CONFERENCE |
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2022-June |
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349-357 |
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This paper presents results from the third Thermal Image
Super-Resolution (TISR) challenge organized in the Perception Beyond the Visible Spectrum (PBVS) 2022 workshop.
The challenge uses the same thermal image dataset as the
first two challenges, with 951 training images and 50 validation images at each resolution. A set of 20 images was
kept aside for testing. The evaluation tasks were to measure
the PSNR and SSIM between the SR image and the ground
truth (HR thermal noisy image downsampled by four), and
also to measure the PSNR and SSIM between the SR image
and the semi-registered HR image (acquired with another
camera). The results outperformed those from last year’s
challenge, improving both evaluation metrics. This year,
almost 100 teams participants registered for the challenge,
showing the community’s interest in this hot topic. |
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cidis @ cidis @ |
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175 |
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