Alexandre Constantin
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View article: Open-source 3D tools developed for the CO3D mission and beyond
Open-source 3D tools developed for the CO3D mission and beyond Open
After several years of development, mid-2025 should see the launch of the CO3D1 (Optical Constellation in 3D) mission. The CO3D project is a public-private partnership between CNES (French space agency) and AIRBUS (aerospace company). The …
View article: NuNER: Entity Recognition Encoder Pre-training via LLM-Annotated Data
NuNER: Entity Recognition Encoder Pre-training via LLM-Annotated Data Open
Large Language Models (LLMs) have shown impressive abilities in data annotation, opening the way for new approaches to solve classic NLP problems. In this paper, we show how to use LLMs to create NuNER, a compact language representation mo…
View article: Analyse de séries temporelles massives d'images satellitaires : Applications à la cartographie des écosystèmes
Analyse de séries temporelles massives d'images satellitaires : Applications à la cartographie des écosystèmes Open
This thesis takes place in the context of the processing of the data from Sentinel-2 mission. This mission, initiated by the European Space Agency and launched in 2017, produces an unprecedented amount of Satellite Image Time-Series (SITS)…
View article: Joint Supervised Classification and Reconstruction of Irregularly Sampled Satellite Image Times Series
Joint Supervised Classification and Reconstruction of Irregularly Sampled Satellite Image Times Series Open
International audience
View article: Supervised Classification of Irregularly Sampled Sattelite Image Times Series
Supervised Classification of Irregularly Sampled Sattelite Image Times Series Open
Recent satellite missions launched in the past decades have led to a huge amount of earth observation data, most of them being freely available. In such context, satellite image time series have been use…