The TWIML AI Podcast (formerly This Week in Machine Learning & Artificial Intelligence)

Supporting Food Security in Africa Using ML with Catherine Nakalembe - #611

Jan 9, 2023
Catherine Nakalembe, an Associate Research Professor at the University of Maryland and Africa Program Director at NASA Harvest, discusses her work on food security in Africa through machine learning and satellite data. She highlights the critical challenges of food insecurity exacerbated by climate change and the COVID-19 pandemic. Catherine delves into innovative techniques like multi-task learning for crop mapping and emphasizes the importance of improving access to remote sensing data. Collaborations and local initiatives are vital for enhancing agricultural productivity and sustainability.
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ANECDOTE

Cyclone Disaster

  • In 2019, a cyclone in Southern Africa indirectly caused crop failure in East Africa.
  • Moisture was pulled from East Africa, leading to a failed season despite a positive forecast.
INSIGHT

Data Explosion

  • Earth observation data has increased significantly due to more satellites and cloud computing.
  • Higher resolution and frequency allow observation of previously inaccessible areas, boosting innovation.
ANECDOTE

Street2Sat

  • The Street2Sat project uses GoPro cameras on helmets to capture street-level images of crops.
  • Millions of images are collected from various countries to enrich satellite data and train models.
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