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Home > Proceedings / Proceedings of the AAAI Conference on Artificial Intelligence, 35 > No. 17: IAAI-21, EAAI-21, AAAI-21 Special Programs and Special Track

Detection and Prediction of Nutrient Deficiency Stress using Longitudinal Aerial Imagery

February 1, 2023

Authors

Saba Dadsetan

Intelinair University of Pittsburgh


Gisele Rose

Intelinair


Naira Hovakimyan

Intelinair University of Illinois at Urbana Champaign


Jennifer Hobbs

Intelinair


Proceedings:

No. 17: IAAI-21, EAAI-21, AAAI-21 Special Programs and Special Track

Volume

Issue:

Proceedings of the AAAI Conference on Artificial Intelligence, 35

Track:

AAAI Special Track on AI for Social Impact

Downloads:

Download PDF

Abstract:

Early, precise detection of nutrient deficiency stress (NDS) has key economic as well as environmental impact; precision application of chemicals in place of blanket application reduces operational costs for the growers while reducing the amount of chemicals which may enter the environment unnecessarily. Furthermore, earlier treatment reduces the amount of yield loss and therefore boosts crop production during a given season. With this in mind, we collect sequences of high-resolution aerial imagery and construct semantic segmentation models to detect and predict NDS across the field; our work sits at the intersection of agriculture, remote sensing, and deep learning. First, we establish a baseline for full-field detection of NDS and quantify the impact of pretraining, backbone architecture, input representation, and sampling strategy. We then quantify the amount of information available at different points in the season by building a single-timestamp model based on a U-Net. Next, we construct our proposed spatiotemporal architecture, which combines a U-Net with a convolutional LSTM to accurately detect regions of the field showing NDS; this approach has an impressive IOU score of 0.53. Finally, we show that this architecture can be trained to predict regions of the field which are expected to show NDS in a later flight- potentially more than three weeks in the future- maintaining an IOU score of 0.47-0.51 depending on how far in advance the prediction is made. We will also release a dataset which we believe will benefit the computer vision, remote sensing, and agriculture fields. This work contributes to the recent developments in deep learning for remote sensing and agriculture while addressing a key social challenge with implications for economics and sustainability.

DOI:

10.1609/aaai.v35i17.17730


AAAI

Proceedings of the AAAI Conference on Artificial Intelligence, 35



Topics: AAAI

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