no code implementations • 25 Mar 2024 • Francisco Mena, Diego Arenas, Andreas Dengel
Deep learning models have proven to be effective for this task by mapping time series data to high-level representation for prediction.
Ranked #1 on Crop Classification on CropHarvest - Brazil
1 code implementation • 21 Mar 2024 • Francisco Mena, Diego Arenas, Marcela Charfuelan, Marlon Nuske, Andreas Dengel
In this work, we assess the impact of missing temporal and static EO sources in trained models across four datasets with classification and regression tasks.
no code implementations • 22 Jan 2024 • Francisco Mena, Deepak Pathak, Hiba Najjar, Cristhian Sanchez, Patrick Helber, Benjamin Bischke, Peter Habelitz, Miro Miranda, Jayanth Siddamsetty, Marlon Nuske, Marcela Charfuelan, Diego Arenas, Michaela Vollmer, Andreas Dengel
The GU module learned different weights based on the country and crop-type, aligning with the variable significance of each data source to the prediction task.
no code implementations • 17 Aug 2023 • Deepak Pathak, Miro Miranda, Francisco Mena, Cristhian Sanchez, Patrick Helber, Benjamin Bischke, Peter Habelitz, Hiba Najjar, Jayanth Siddamsetty, Diego Arenas, Michaela Vollmer, Marcela Charfuelan, Marlon Nuske, Andreas Dengel
We introduce a simple yet effective early fusion method for crop yield prediction that handles multiple input modalities with different temporal and spatial resolutions.
1 code implementation • 10 Aug 2023 • Francisco Mena, Diego Arenas, Marlon Nuske, Andreas Dengel
Instead, we present a comparison of multi-view fusion methods for three different datasets and show that, depending on the test region, different methods obtain the best performance.
Ranked #2 on Crop Classification on CropHarvest - Togo
1 code implementation • 20 Dec 2022 • Francisco Mena, Diego Arenas, Marlon Nuske, Andreas Dengel
However, the approaches in the literature vary greatly since different terminology is used to refer to similar concepts or different illustrations are given to similar techniques.
1 code implementation • Signal 2021 • Francisco Mena, Patricio Olivares, Margarita Bugueño, Gabriel Molina, Mauricio Aray
In addition, the S-VRAE𝑡 embeds the re-scaling preprocessing of the time series into the model in order to use the Flux standard deviation in the learning of the light curves structure.
1 code implementation • 17 Jul 2020 • Ricardo Ñanculef, Francisco Mena, Antonio Macaluso, Stefano Lodi, Claudio Sartori
This paper investigates the robustness of hashing methods based on variational autoencoders to the lack of supervision, focusing on two semi-supervised approaches currently in use.
Ranked #1 on Supervised Image Retrieval on CIFAR-10
1 code implementation • CLEI Electronic Journal 2019 • Francisco Mena, Margarita Bugueño, Mauricio Aray
The field of astronomical data analysis has experienced an important paradigm shift in the recent years.
2 code implementations • Lecture Notes in Computer Science 2019 • Francisco Mena, Ricardo Ñanculef
Handling this noise in a principled way is an important challenge for machine learning, called learning from crowds.
1 code implementation • Lecture Notes in Computer Science 2019 • Francisco Mena, Ricardo Ñanculef
Searching a large dataset to find elements that are similar to a sample object is a fundamental problem in computer science.
Ranked #1 on Text Retrieval on 20 Newsgroups