Search Results for author: Joachim Nyborg

Found 4 papers, 4 papers with code

RainAI -- Precipitation Nowcasting from Satellite Data

1 code implementation30 Nov 2023 Rafael Pablos Sarabia, Joachim Nyborg, Morten Birk, Ira Assent

This paper presents a solution to the Weather4Cast 2023 competition, where the goal is to forecast high-resolution precipitation with an 8-hour lead time using lower-resolution satellite radiance images.

Generalized Classification of Satellite Image Time Series with Thermal Positional Encoding

1 code implementation17 Mar 2022 Joachim Nyborg, Charlotte Pelletier, Ira Assent

Unlike previous positional encoding based on calendar time (e. g. day-of-year), TPE is based on thermal time, which is obtained by accumulating daily average temperatures over the growing season.

Crop Classification Time Series +1

Weakly-Supervised Cloud Detection with Fixed-Point GANs

1 code implementation23 Nov 2021 Joachim Nyborg, Ira Assent

Convolutional neural networks (CNNs) have greatly advanced the state-of-the-art in the detection of clouds in satellite images, but existing CNN-based methods are costly as they require large amounts of training images with expensive pixel-level cloud labels.

Cloud Detection Translation

TimeMatch: Unsupervised Cross-Region Adaptation by Temporal Shift Estimation

1 code implementation4 Nov 2021 Joachim Nyborg, Charlotte Pelletier, Sébastien Lefèvre, Ira Assent

However, when applied to target regions spatially different from the training region, these models perform poorly without any target labels due to the temporal shift of crop phenology between regions.

Crop Classification Time Series +2

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