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Author Patricia L. Suárez, Angel D. Sappa and Boris X. Vintimilla openurl 
  Title Deep learning-based vegetation index estimation Type Book Chapter
  Year (down) 2021 Publication Generative Adversarial Networks for Image-to-Image Translation Book. (Chapter 9, Issue 2, pp. 205-232) Abbreviated Journal  
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  Call Number cidis @ cidis @ Serial 137  
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Author Patricia L. Suárez, Angel D. Sappa, Boris X. Vintimilla pdf  openurl
  Title Cycle generative adversarial network: towards a low-cost vegetation index estimation Type Conference Article
  Year (down) 2021 Publication In Accepted in IEEE International Conference on Image Processing (ICIP 2021) Abbreviated Journal  
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  Keywords CyclicGAN, NDVI, near infrared spectra, instance normalization.  
  Abstract 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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  Call Number cidis @ cidis @ Serial 164  
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Author Patricia L. Suárez, Dario Carpio, and Angel Sappa url  openurl
  Title Non-Homogeneous Haze Removal through a Multiple Attention Module Architecture. Type Conference Article
  Year (down) 2021 Publication Accepted in 16 International Symposium on Visual Computing. Octubre 4-6, 2021. Lecture Notes in Computer Science (Vol. 13017, pp. 131-143) Abbreviated Journal  
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  Call Number cidis @ cidis @ Serial 162  
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Author Pereira J., Mora M. & W. Agila openurl 
  Title Qualitative Model to Maximize Shrimp Growth at Low Cost Type Journal Article
  Year (down) 2021 Publication 5th Ecuador Technical Chapters Meeting (ETCM 2021), Octubre 12 – 15 Abbreviated Journal  
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  Call Number cidis @ cidis @ Serial 167  
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Author Rivadeneira R.E., Sappa A.D., Vintimilla B.X., Nathan S., Kansal P., Mehri A et al. pdf  openurl
  Title Thermal Image Super-Resolution Challenge – PBVS 2021. Type Conference Article
  Year (down) 2021 Publication In IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops, CVPRW 2021., junio 19 – 25, 2021 Abbreviated Journal  
  Volume Issue Pages 4354-4362  
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  Call Number cidis @ cidis @ Serial 151  
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Author Rubio, G.A., Agila, W.E pdf  openurl
  Title A fuzzy model to manage water in polymer electrolyte membrane fuel cells Type Journal Article
  Year (down) 2021 Publication In Processes Journal. (Vol. 9, Issue 6, Article number 904) Abbreviated Journal  
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  Keywords PEM fuel cell, fuzzy, neural network, electrical response, flooding, drying.  
  Abstract In this paper, a fuzzy model is presented to determine in real-time the degree of dehydration or flooding of a proton exchange membrane of a fuel cell, to optimize its electrical response and consequently, its autonomous operation. By applying load, current and flux variations in the dry, normal, and flooded states of the membrane, it was determined that the temporal evolution of the fuel cell voltage is characterized by changes in slope and by its voltage oscillations. The results were validated using electrochemical impedance spectroscopy and show slope changes from 0.435 to 0.52 and oscillations from 3.6 mV to 5.2 mV in the dry state, and slope changes from 0.2 to 0.3 and oscillations from 1 mV to 2 mV in the flooded state. The use of fuzzy logic is a novelty and constitutes a step towards the progressive automation of the supervision, perception, and intelligent control of fuel cells, allowing them to reduce their risks and increase their economic benefits.  
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  Call Number cidis @ cidis @ Serial 153  
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Author Santos, V., Sappa, A.D., Oliveira, M. & de la Escalera, A. openurl 
  Title Editorial: Special Issue on Autonomous Driving and Driver Assistance Systems – Some Main Trends Type Journal Article
  Year (down) 2021 Publication In Journal: Robotics and Autonomous Systems. (Vol. 144, Article number 103832) Abbreviated Journal  
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  Call Number cidis @ cidis @ Serial 158  
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Author Steven Silva, Dennys Paillacho., David Soque, María Guerra & Jonathan Paillacho url  openurl
  Title Autonomous Intelligent Navigation For Mobile Robots In Closed Environments. Type Conference Article
  Year (down) 2021 Publication The 2nd International Conference on Applied Technologies (ICAT 2020), diciembre 2-4. Communications in Computer and Information Science Abbreviated Journal  
  Volume 1388 Issue Pages 391-402  
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  Call Number cidis @ cidis @ Serial 187  
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Author Suárez P. pdf  openurl
  Title Processing and Representation of Multispectral Images Using Deep Learning Techniques Type Magazine Article
  Year (down) 2021 Publication In Electronic Letters on Computer Vision and Image Analysis Abbreviated Journal  
  Volume Volume 19 Issue Issue 2 Pages Pages 5 – 8  
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  Corporate Author Ph.D. Angel Sappa, Director & Ph.D. Boris Vintimilla, Codirector Thesis Master's thesis  
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  Call Number cidis @ cidis @ Serial 122  
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Author Velesaca, H.O., Suárez, P. L., Mira, R., & Sappa, A.D. pdf  openurl
  Title Computer Vision based Food Grain Classification: a Comprehensive Survey Type Journal Article
  Year (down) 2021 Publication In Computers and Electronics in Agriculture Journal. (Vol. 187, Article number 106287) Abbreviated Journal  
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  Call Number cidis @ cidis @ Serial 159  
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