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Precise estimation and uncertainty quantification for average crop yields are critical for agricultural monitoring and decision making. Existing data collection methods, such as crop cuts in randomly sampled fields at harvest time, are…

A new scheme for digital image correlation, i.e., short time series DIC (STS-DIC) is proposed. Instead of processing the original deformed speckle images individually, STS-DIC combines several adjacent deformed speckle images from a short…

光学 · 物理学 2014-10-29 Xian Wang , Shaopeng Ma

Urbanization advances at unprecedented rates, leading to negative environmental and societal impacts. Remote sensing can help mitigate these effects by supporting sustainable development strategies with accurate information on urban growth.…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Sebastian Hafner , Heng Fang , Hossein Azizpour , Yifang Ban

Multispectral imagery is frequently incorporated into agricultural tasks, providing valuable support for applications such as image segmentation, crop monitoring, field robotics, and yield estimation. From an image segmentation perspective,…

计算机视觉与模式识别 · 计算机科学 2023-08-02 Nuno Cunha , Tiago Barros , Mário Reis , Tiago Marta , Cristiano Premebida , Urbano J. Nunes

In the context of proven climate change, maintaining olive biodiversity through early anomaly detection and treatment using remote sensing technology is crucial, offering effective management solutions. This paper presents an innovative…

计算机视觉与模式识别 · 计算机科学 2025-08-29 Amir Jmal , Chaima Chtourou , Mahdi Louati , Abdelaziz Kallel , Houda Khmila

Here we compare the Boltzmann-Gibbs-Shannon (standard) with the Tsallis entropy on the pattern recognition and segmentation of coloured images obtained by satellites, via "Google Earth". By segmentation we mean split an image to locate…

计算机视觉与模式识别 · 计算机科学 2015-06-18 Lucas Assirati , Alexandre Souto Martinez , Odemir Martinez Bruno

Image segmentation is a crucial step in various visual applications, including environmental monitoring through remote sensing. In the context of the ForestEyes project, which combines citizen science and machine learning to detect…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Hugo Resende , Fabio A. Faria , Eduardo B. Neto , Isabela Borlido , Victor Sundermann , Silvio Jamil F. Guimarães , Álvaro L. Fazenda

Optical satellite sensors cannot see the Earth's surface through clouds. Despite the periodic revisit cycle, image sequences acquired by Earth observation satellites are therefore irregularly sampled in time. State-of-the-art methods for…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Nando Metzger , Mehmet Ozgur Turkoglu , Stefano D'Aronco , Jan Dirk Wegner , Konrad Schindler

While unsupervised change detection using contrastive learning has been significantly improved the performance of literature techniques, at present, it only focuses on the bi-temporal change detection scenario. Previous state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Yuxing Chen , Lorenzo Bruzzone

European satellite missions Sentinel-1 (S1) and Sentinel-2 (S2) provide at highspatial resolution and high revisit time, respectively, radar and optical imagesthat support a wide range of Earth surface monitoring tasks such as LandUse/Land…

While annual crop rotations play a crucial role for agricultural optimization, they have been largely ignored for automated crop type mapping. In this paper, we take advantage of the increasing quantity of annotated satellite data to…

计算机视觉与模式识别 · 计算机科学 2021-11-17 Félix Quinton , Loic Landrieu

Agricultural research is essential for increasing food production to meet the requirements of an increasing population in the coming decades. Recently, satellite technology has been improving rapidly and deep learning has seen much success…

计算机视觉与模式识别 · 计算机科学 2025-01-15 Brandon Victor , Zhen He , Aiden Nibali

In this paper, we investigate the problem of Semantic Segmentation for agricultural aerial imagery. We observe that the existing methods used for this task are designed without considering two characteristics of the aerial data: (i) the…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Antonio Tavera , Edoardo Arnaudo , Carlo Masone , Barbara Caputo

The goal of field boundary delineation is to predict the polygonal boundaries and interiors of individual crop fields in overhead remotely sensed images (e.g., from satellites or drones). Automatic delineation of field boundaries is a…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Hannah Kerner , Saketh Sundar , Mathan Satish

While image segmentation is crucial in various computer vision applications, such as autonomous driving, grasping, and robot navigation, annotating all objects at the pixel-level for training is nearly impossible. Therefore, the study of…

计算机视觉与模式识别 · 计算机科学 2023-10-26 Cuong Manh Hoang , Byeongkeun Kang

Temporal sequences of satellite images constitute a highly valuable and abundant resource for analyzing regions of interest. However, the automatic acquisition of knowledge on a large scale is a challenging task due to different factors…

计算机视觉与模式识别 · 计算机科学 2024-02-15 Carlos Echegoyen , Aritz Pérez , Guzmán Santafé , Unai Pérez-Goya , María Dolores Ugarte

Crop type mapping at the field level is critical for a variety of applications in agricultural monitoring, and satellite imagery is becoming an increasingly abundant and useful raw input from which to create crop type maps. Still, in many…

应用统计 · 统计学 2021-09-07 Dan M. Kluger , Sherrie Wang , David B. Lobell

This paper presents a new Bayesian estimation technique for hidden Potts-Markov random fields with unknown regularisation parameters, with application to fast unsupervised K-class image segmentation. The technique is derived by first…

统计计算 · 统计学 2016-02-03 Marcelo Pereyra , Steve McLaughlin

Hyperspectral images often have hundreds of spectral bands of different wavelengths captured by aircraft or satellites that record land coverage. Identifying detailed classes of pixels becomes feasible due to the enhancement in spectral and…

计算机视觉与模式识别 · 计算机科学 2022-04-21 Raymond H. Chan , Ruoning Li

Following crop growth through the vegetative cycle allows farmers to predict fruit setting and yield in early stages, but it is a laborious and non-scalable task if performed by a human who has to manually measure fruit sizes with a caliper…

计算机视觉与模式识别 · 计算机科学 2026-02-05 Gonçalo P. Matos , Carlos Santiago , João P. Costeira , Ricardo L. Saldanha , Ernesto M. Morgado