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With its vast expanse, exceeding that of Western Europe by twice, the Amazon rainforest stands as the largest forest of the Earth, holding immense importance in global climate regulation. Yet, deforestation detection from remote sensing…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Carla Nascimento Neves , Raul Queiroz Feitosa , Mabel X. Ortega Adarme , Gilson Antonio Giraldi

The availability of massive earth observing satellite data provide huge opportunities for land use and land cover mapping. However, such mapping effort is challenging due to the existence of various land cover classes, noisy data, and the…

计算机视觉与模式识别 · 计算机科学 2021-09-29 Rahul Ghosh , Praveen Ravirathinam , Xiaowei Jia , Chenxi Lin , Zhenong Jin , Vipin Kumar

In this paper we develop a deforestation detection pipeline that incorporates optical and Synthetic Aperture Radar (SAR) data. A crucial component of the pipeline is the construction of anomaly maps of the optical data, which is done using…

The present work proposes a prototype for an operational method for early deforestation detection of cloudy tropical rainforests. The proposed methodology makes use of Sentinel-1 SAR data processed into the Google Earth Engine platform for…

应用统计 · 统计学 2020-05-18 Juan Doblas

We introduce a method for decomposition of trend, cycle and seasonal components in spatio-temporal models and apply it to investigate the existence of climate changes in temperature and rainfall series. The method incorporates critical…

应用统计 · 统计学 2017-03-21 Marcio Poletti Laurini

Land use classification of low resolution spatial imagery is one of the most extensively researched fields in remote sensing. Despite significant advancements in satellite technology, high resolution imagery lacks global coverage and can be…

机器学习 · 计算机科学 2019-04-24 John Brandt

Farm parcel delineation provides cadastral data that is important in developing and managing climate change policies. Specifically, farm parcel delineation informs applications in downstream governmental policies of land allocation,…

图像与视频处理 · 电气工程与系统科学 2020-04-21 Han Lin Aung , Burak Uzkent , Marshall Burke , David Lobell , Stefano Ermon

Land Use Land Cover (LULC) mapping is essential for urban and resource planning, and is one of the key elements in developing smart and sustainable cities.This study evaluates advanced LULC mapping techniques, focusing on Look-Up Table…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Naman Srivastava , Joel D Joy , Yash Dixit , Swarup E , Rakshit Ramesh

Land Cover (LC) mapping using satellite imagery is critical for environmental monitoring and management. Deep Learning (DL), particularly Convolutional Neural Networks (CNNs) and Vision Transformers (ViTs), have revolutionized this field by…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Luigi Russo , Antonietta Sorriso , Silvia Liberata Ullo , Paolo Gamba

As both a central task in Remote Sensing and a common problem in many other situations involving time series data, change point detection boasts a thorough and well-documented history of study. However, the treatment of missing data and…

应用统计 · 统计学 2015-04-01 Hunter Glanz , Xiaoman Huang , Minhui Zheng , Luis E. Carvalho

Tropical forests play an important role in regulating the global carbon cycle and are crucial for maintaining the tropical forest biodiversity. Therefore, there is an urgent need to map the extent of tropical forest ecosystems. Recently,…

图像与视频处理 · 电气工程与系统科学 2024-08-05 Adugna Mullissa , Sassan Saatchi

Monitoring changes in tree cover for rapid assessment of deforestation is considered the critical component of any climate mitigation policy for reducing carbon. Here, we map tropical tree cover and deforestation between 2015 and 2022 using…

Understanding land use over time is critical to tracking events related to climate change, like deforestation. However, satellite-based remote sensing tools which are used for monitoring struggle to differentiate vegetation types in farms…

图像与视频处理 · 电气工程与系统科学 2025-02-27 Angela Busheska , Vikram Iyer , Bruno Silva , Peder Olsen , Ranveer Chandra , Vaishnavi Ranganathan

Understanding the state of changed areas requires that precise information be given about the changes. Thus, detecting different kinds of changes is important for land surface monitoring. SAR sensors are ideal to fulfil this task, because…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Weiying Zhao , Charles-Alban Deledalle , Loïc Denis , Henri Maître , Jean-Marie Nicolas , Florence Tupin

Traditional spatio-temporal models for areal data typically begin with spatial structure imposed at the level of random effects and later extend to include temporal dynamics. We propose an alternative hierarchical modeling framework that…

Recent developments in engineering techniques for spatial data collection such as geographic information systems have resulted in an increasing need for methods to analyze large spatial data sets. These sorts of data sets can be found in…

统计方法学 · 统计学 2020-08-14 Toshihiro Hirano

The current practice in land cover/land use change analysis relies heavily on the individually classified maps of the multitemporal data set. Due to varying acquisition conditions (e.g., illumination, sensors, seasonal differences), the…

计算机视觉与模式识别 · 计算机科学 2021-07-02 Hessah Albanwan , Rongjun Qin , Xiaohu Lu , Mao Li , Desheng Liu , Jean-Michel Guldmann

Land cover mapping is essential for monitoring global environmental change and managing natural resources. Unfortunately, traditional classification models are plagued by limited training data available in existing land cover products and…

机器学习 · 计算机科学 2021-09-16 Rahul Ghosh , Xiaowei Jia , Vipin Kumar

Satellite-based remote sensing is instrumental in the monitoring and mitigation of the effects of anthropogenic climate change. Large scale, high resolution data derived from these sensors can be used to inform intervention and policy…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Matt Allen , Francisco Dorr , Joseph A. Gallego-Mejia , Laura Martínez-Ferrer , Anna Jungbluth , Freddie Kalaitzis , Raúl Ramos-Pollán

Sustainability of the global environment is dependent on the accurate land cover information over large areas. Even with the increased number of satellite systems and sensors acquiring data with improved spectral, spatial, radiometric and…

计算机视觉与模式识别 · 计算机科学 2018-06-05 Atharva Sharma , Xiuwen Liu , Xiaojun Yang
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