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The Leaf Area Index (LAI) is a critical parameter to understand ecosystem health and vegetation dynamics. In this paper, we propose a novel method for pixel-wise LAI prediction by leveraging the complementary information from Sentinel 1…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Clement Wang , Antoine Debouchage , Valentin Goldité , Aurélien Wery , Jules Salzinger

The leaf area index determines crop health and growth. Traditional methods for calculating it are time-consuming, destructive, costly, and limited to a scale. In this study, we automate the index estimation method using drone image data of…

Leaf area index (LAI) is a key biophysical parameter used to determine foliage cover and crop growth in environmental studies. Smartphones are nowadays ubiquitous sensor devices with high computational power, moderate cost, and high-quality…

Climate change impacts could cause progressive decrease of crop quality and yield, up to harvest failures. In particular, heat waves and other climate extremes can lead to localized food shortages and even threaten food security of…

Populations and Evolution · Quantitative Biology 2019-09-18 Andrea Gobbi , Marco Cristoforetti , Giuseppe Jurman , Cesare Furlanello

Forests of the Earth are a vital carbon sink while providing an essential habitat for biodiversity. Vegetation productivity (VP) is a critical indicator of carbon uptake in the atmosphere. The leaf area index is a crucial vegetation index…

Atmospheric and Oceanic Physics · Physics 2023-10-31 Ricardo Barros Lourenço , Michael J. Smith , Sylvia Smullin , Umangi Jain , Alemu Gonsamo , Arthur Ouaknine

Leaf Area index is widely used metric for the assessment of vegetation dynamics and can be used to assess the impact of regional/local climate conditions. The underlying continuity of high resolution spatio-temporal phenological processes…

Quantitative Methods · Quantitative Biology 2021-05-20 Andrew B Whetten , Hannah Demler

Estimation of a single leaf area can be a measure of crop growth and a phenotypic trait to breed new varieties. It has also been used to measure leaf area index and total leaf area. Some studies have used hand-held cameras, image processing…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Namal Jayasuriya , Yi Guo , Wen Hu , Oula Ghannoum

Information on cultivated crops is relevant for a large number of food security studies. Different scientific efforts are dedicated to generating this information from remote sensing images by means of machine learning methods.…

Computer Vision and Pattern Recognition · Computer Science 2021-12-01 Sina Mohammadi , Mariana Belgiu , Alfred Stein

Practical automated detection and diagnosis of plant disease from wide-angle images (i.e. in-field images containing multiple leaves using a fixed-position camera) is a very important application for large-scale farm management, in view of…

Computer Vision and Pattern Recognition · Computer Science 2019-11-25 Katsumasa Suwa , Quan Huu Cap , Ryunosuke Kotani , Hiroyuki Uga , Satoshi Kagiwada , Hitoshi Iyatomi

Yield and its prediction is one of the most important tasks in grapevine breeding purposes and vineyard management. Commonly, this trait is estimated manually right before harvest by extrapolation, which mostly is labor-intensive,…

Computer Vision and Pattern Recognition · Computer Science 2018-07-11 Robert Rudolph , Katja Herzog , Reinhard Töpfer , Volker Steinhage

The Leaf Area Index (LAI) is vital for predicting winter wheat yield. Acquisition of crop conditions via Sentinel-2 remote sensing images can be hindered by persistent clouds, affecting yield predictions. Synthetic Aperture Radar (SAR)…

Computer Vision and Pattern Recognition · Computer Science 2023-07-17 W. Zhao , F. Yin , H. Ma , Q. Wu , J. Gomez-Dans , P. Lewis

Modern day studies show a high degree of correlation between high yielding crop varieties and plants with upright leaf angles. It is observed that plants with upright leaf angles intercept more light than those without upright leaf angles,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Venkat Margapuri , Prapti Thapaliya , Trevor Rife

Agriculture plays a critical role in the global economy, providing livelihoods and ensuring food security for billions. As innovative agricultural practices become more widespread, the risk of crop diseases has increased, highlighting the…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Shyam Sundhar , Riya Sharma , Priyansh Maheshwari , Suvidha Rupesh Kumar , T. Sunil Kumar

Identification, classification, and quantification of crop defects are of paramount of interest to the farmers for preventive measures and decrease the yield loss through necessary remedial actions. Due to the vast agricultural field,…

Computer Vision and Pattern Recognition · Computer Science 2020-06-18 Asharf , Balasubramanian E , Sankarasrinivasan S

There is a warning light for the loss of plant habitats worldwide that entails concerted efforts to conserve plant biodiversity. Thus, plant species classification is of crucial importance to address this environmental challenge. In recent…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Boi M. Quach , Dinh V. Cuong , Nhung Pham , Dang Huynh , Binh T. Nguyen

There is a growing demand for accurate high-resolution land cover maps in many fields, e.g., in land-use planning and biodiversity conservation. Developing such maps has been performed using Object-Based Image Analysis (OBIA) methods, which…

Computer Vision and Pattern Recognition · Computer Science 2017-06-06 Emilio Guirado , Siham Tabik , Domingo Alcaraz-Segura , Javier Cabello , Francisco Herrera

The field of machine learning has become an increasingly budding area of research as more efficient methods are needed in the quest to handle more complex image detection challenges. To solve the problems of agriculture is more and more…

Computer Vision and Pattern Recognition · Computer Science 2019-06-06 Mohammad Ibrahim Sarker , Heechan Yang , Hyongsuk Kim

Lawn area measurement is an application of image processing and deep learning. Researchers have been used hierarchical networks, segmented images and many other methods to measure lawn area. Methods effectiveness and accuracy varies. In…

Computer Vision and Pattern Recognition · Computer Science 2020-04-23 J. Wilkins , M. V. Nguyen , B. Rahmani

Convolutional neural networks (CNNs) have become popular especially in computer vision in the last few years because they achieved outstanding performance on different tasks, such as image classifications. We propose a nine-layer CNN for…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Christoph Wick , Frank Puppe

We introduce LAESI, a Synthetic Leaf Dataset of 100,000 synthetic leaf images on millimeter paper, each with semantic masks and surface area labels. This dataset provides a resource for leaf morphology analysis primarily aimed at beech and…

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