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Decision forests (Forests), in particular random forests and gradient boosting trees, have demonstrated state-of-the-art accuracy compared to other methods in many supervised learning scenarios. In particular, Forests dominate other methods…

Since the launch of the Sentinel-2 (S2) satellites, many ML models have used the data for diverse applications. The scene classification layer (SCL) inside the S2 product provides rich information for training, such as filtering images with…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Cristhian Sanchez , Francisco Mena , Marcela Charfuelan , Marlon Nuske , Andreas Dengel

The motivation of this paper is to conduct a comparative study on remote sensing image classification using the morphological attribute profiles (APs) and feature profiles (FPs) generated from different types of tree structures. Over the…

Computer Vision and Pattern Recognition · Computer Science 2018-06-20 Minh-Tan Pham , Erchan Aptoula , Sébastien Lefèvre

We propose a highly structured neural network architecture for semantic segmentation with an extremely small model size, suitable for low-power embedded and mobile platforms. Specifically, our architecture combines i) a Haar wavelet-based…

Computer Vision and Pattern Recognition · Computer Science 2017-06-19 Michael Tschannen , Lukas Cavigelli , Fabian Mentzer , Thomas Wiatowski , Luca Benini

The estimation of deforestation in the Amazon Forest is challenge task because of the vast size of the area and the difficulty of direct human access. However, it is a crucial problem in that deforestation results in serious environmental…

Computer Vision and Pattern Recognition · Computer Science 2022-06-23 Dongoo Lee , Yeonju Choi

Land cover mapping is essential to monitoring the environment and understanding the effects of human activities on it. The automatic approaches to land cover mapping (i.e., image segmentation) mostly used traditional machine learning that…

Image and Video Processing · Electrical Eng. & Systems 2021-03-24 Sanja Šćepanović , Oleg Antropov , Pekka Laurila , Yrjö Rauste , Vladimir Ignatenko , Jaan Praks

This paper presents a change detection method that identifies land cover changes from aerial imagery, using semantic segmentation, a machine learning approach. We present a land cover classification training pipeline with Deeplab v3+,…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Renee Su , Rong Chen

Fine-scale forest monitoring is essential for understanding canopy structure and its dynamics, which are key indicators of carbon stocks, biodiversity, and forest health. Deep learning is particularly effective for this task, as it…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Ekaterina Kalinicheva , Florian Helen , Stéphane Mermoz , Florian Mouret , Milena Planells

The conservation of tropical forests is a topic of significant social and ecological relevance due to their crucial role in the global ecosystem. Unfortunately, deforestation and degradation impact millions of hectares annually, requiring…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Isabela Borlido , Eduardo Bouhid , Victor Sundermann , Hugo Resende , Alvaro Luiz Fazenda , Fabio Faria , Silvio Jamil F. Guimarães

In recent years, wildfires have posed a significant challenge due to their increasing frequency and severity. For this reason, accurate delineation of burned areas is crucial for environmental monitoring and post-fire assessment. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 Edoardo Arnaudo , Luca Barco , Matteo Merlo , Claudio Rossi

This paper introduces a Deep Scattering network that utilizes Dual-Tree complex wavelets to extract translation invariant representations from an input signal. The computationally efficient Dual-Tree wavelets decompose the input signal into…

Computer Vision and Pattern Recognition · Computer Science 2017-02-14 Amarjot Singh , Nick Kingsbury

Access to below-canopy volumetric vegetation data is crucial for understanding ecosystem dynamics. We address the long-standing limitation of remote sensing to penetrate deep into dense canopy layers. LiDAR and radar are currently…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Mohamed Youssef , Jian Peng , Oliver Bimber

We propose a strategy for land use classification which exploits Multiple Kernel Learning (MKL) to automatically determine a suitable combination of a set of features without requiring any heuristic knowledge about the classification task.…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Claudio Cusano , Paolo Napoletano , Raimondo Schettini

Phytoplankton plays an important role in marine ecosystem. It is defined as a biological factor to assess marine quality. The identification of phytoplankton species has a high potential for monitoring environmental, climate changes and for…

Machine Learning · Statistics 2017-01-24 Thi-Thu-Hong Phan , Emilie Poisson Caillault , André Bigand

Monitoring urban tree dynamics is vital for supporting greening policies and reducing risks to electrical infrastructure. Airborne laser scanning has advanced large-scale tree management, but challenges remain due to complex urban…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Narges Takhtkeshha , Gabriele Mazzacca , Fabio Remondino , Juha Hyyppä , Gottfried Mandlburger

Hash codes are a very efficient data representation needed to be able to cope with the ever growing amounts of data. We introduce a random forest semantic hashing scheme with information-theoretic code aggregation, showing for the first…

Computer Vision and Pattern Recognition · Computer Science 2015-04-20 Qiang Qiu , Guillermo Sapiro , Alex Bronstein

This study introduces a novel unsupervised medical image feature extraction method that employs spatial stratification techniques. An objective function based on weight is proposed to achieve the purpose of fast image recognition. The…

Image and Video Processing · Electrical Eng. & Systems 2024-06-28 Qishi Zhan , Dan Sun , Erdi Gao , Yuhan Ma , Yaxin Liang , Haowei Yang

Tree instance segmentation of airborne laser scanning (ALS) data is of utmost importance for forest monitoring, but remains challenging due to variations in the data caused by factors such as sensor resolution, vegetation state at…

Computer Vision and Pattern Recognition · Computer Science 2025-08-22 Swann Emilien Céleste Destouches , Jesse Lahaye , Laurent Valentin Jospin , Jan Skaloud

Superpixel segmentation has become an important research problem in image processing. In this paper, we propose an Iterative Spanning Forest (ISF) framework, based on sequences of Image Foresting Transforms, where one can choose i) a seed…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 John E. Vargas-Muñoz , Ananda S. Chowdhury , Eduardo B. Alexandre , Felipe L. Galvão , Paulo A. Vechiatto Miranda , Alexandre X. Falcão

We present a simple, efficient model for learning boundary detection based on a random forest classifier. Our approach combines (1) efficient clustering of training examples based on simple partitioning of the space of local edge…

Computer Vision and Pattern Recognition · Computer Science 2015-06-30 Sam Hallman , Charless C. Fowlkes