Research Projects

Explore research projects in digital agriculture, remote sensing, and precision farming conducted at UC Davis Digital Agriculture Laboratory.

πŸ“‘ Sentinel-2 for Crop Yield Estimation

Open-Access Systematic Review of Field-Scale Yield Mapping from Satellite Time Series

Focus: Machine learning, crop-growth data assimilation, and Sentinel-1–Sentinel-2 fusion

Scope: Yield-centered synthesis of Sentinel-2 research since 2015 across crops and continents

Publication: Smart Agricultural Technology 14 (2026) 102405 Β· Open access CC BY

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πŸ›°οΈ AlphaEarth + Deep Learning for California Tomato Mapping

Field-Scale Processing Tomato Mapping with Geospatial Foundation-Model Embeddings

Technology: AlphaEarth 64-band embeddings, U-Net segmentation, AWS SageMaker, Monte Carlo dropout

Results: 99.04% F1 score and 98.11% IoU on 1,424 spatially independent test fields

Presentation: ASABE Annual International Meeting 2026 Β· Indianapolis, IN

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πŸ† Farm Robotics Challenge 2026

1st Rank, Excellence in Specialty Crops Award from Western Growers

Technology: Project BloomSense - UAV mapping fused with Amiga ground robot

Impact: High-resolution bloom density estimates for pollination and yield prediction

Achievement: Selected as winner among 96 global teams at USA Plug and Play Summit

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🚁 Tomato Crop Monitoring with Drone LiDAR

Advanced Remote Sensing for Parasitic Weed Detection and Biomass Estimation

Technology: Matrice drone, LiDAR module, 3D point cloud analysis

Focus: Early detection of broomrape, biomass monitoring, stress indicators

Collaboration: Alireza Pourreza, Ali Moghimi, Mohsen Mesgaran

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πŸ“· Multispectral + Deep Learning for Broomrape Detection

Drone-Based Multispectral Imaging and LSTM for Timely Detection of Branched Broomrape in Tomato Farms

Technology: DJI Matrice 210, MicaSense Altum-PT, LSTM, SMOTE

Results: 88.37% accuracy, 95.37% recall; earliest detection at 897 GDD

Publication: SPIE 2024 (Vol. 13053) β€’ Narimani, Pourreza, Moghimi, Mesgaran, et al.

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🌿 Leaf Spectral Analysis for Broomrape Detection

Early Detection of Branched Broomrape in Tomato Using Leaf Reflectance and Ensemble Machine Learning

Technology: Portable spectroradiometer (350–2500 nm), RF, XGBoost, SVM, Naive Bayes

Results: 89% accuracy at 585 GDD; water absorption bands (1500, 2000 nm) key for early detection

Publication: IFAC-PapersOnLine 59(23), 2025 β€’ Presented at AGRICONTROL 2025, Davis, CA

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πŸ›°οΈ Satellite Imagery and Time-Series for Broomrape Detection

Sentinel-2 and LSTM for Branched Broomrape Detection in Tomato Farms

Technology: Sentinel-2, 20 vegetation indices, 5 NN-derived traits, GDD alignment, LSTM

Results: 87% test accuracy; NDMI, CCC, FAPAR, CHL-RED-EDGE most influential

Publication: SPIE 2025 (Vol. 13475) β€’ Orlando, FL β€’ Narimani, Pourreza, Moghimi, et al.

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🌱 Aeroponic Smart Greenhouse & Deep Learning

IoT-Controlled Aeroponic Greenhouse and AI-Based Plant Disease Detection

Technology: IoT (Arduino, Ubidots), centrifugal aeroponic irrigation, VGG-19, InceptionResNetV2, InceptionV3

Results: VGG-19 92% on industrial data, 86.34% on experimental greenhouse; healthy / drought / rust detection

Publication: ASABE 2021 Virtual Meeting Β· Paper 2101252 Β· Narimani, Hajiahmad, Moghimi, Alimardani, et al.

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More Research Coming Soon

Additional research projects and publications in development