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We introduce a novel interactive satellite image change detection algorithm based on active learning. The proposed method is iterative and consists in frugally probing the user (oracle) about the labels of the most critical images, and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Hichem Sahbi

Satellite image time series, bolstered by their growing availability, are at the forefront of an extensive effort towards automated Earth monitoring by international institutions. In particular, large-scale control of agricultural parcels…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Vivien Sainte Fare Garnot , Loic Landrieu , Sebastien Giordano , Nesrine Chehata

Automatic detection of visual anomalies and changes in the environment has been a topic of recurrent attention in the fields of machine learning and computer vision over the past decades. A visual anomaly or change detection algorithm…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Sahar Salimpour , Jorge Peña Queralta , Tomi Westerlund

In this paper, we devise a novel interactive satellite image change detection algorithm based on active learning. The proposed framework is iterative and relies on a question and answer model which asks the oracle (user) questions about the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Hichem Sahbi , Sebastien Deschamps

Semi-supervised object detection (SSOD), leveraging unlabeled data to boost object detectors, has become a hot topic recently. However, existing SSOD approaches mainly focus on horizontal objects, leaving oriented objects common in aerial…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Dingkang Liang , Wei Hua , Chunsheng Shi , Zhikang Zou , Xiaoqing Ye , Xiang Bai

Modeling hand-object manipulations is essential for understanding how humans interact with their environment. While of practical importance, estimating the pose of hands and objects during interactions is challenging due to the large mutual…

Computer Vision and Pattern Recognition · Computer Science 2020-04-29 Yana Hasson , Bugra Tekin , Federica Bogo , Ivan Laptev , Marc Pollefeys , Cordelia Schmid

Image restoration methods are commonly used to improve the quality of astronomical images. In recent years, developments of deep neural networks and increments of the number of astronomical images have evoked a lot of data--driven image…

Instrumentation and Methods for Astrophysics · Physics 2020-11-25 Peng Jia , Ruiyu Ning , Ruiqi Sun , Xiaoshan Yang , Dongmei Cai

Object detection and classification for aircraft are the most important tasks in the satellite image analysis. The success of modern detection and classification methods has been based on machine learning and deep learning. One of the key…

Computer Vision and Pattern Recognition · Computer Science 2018-06-11 Junghoon Seo , Seunghyun Jeon , Taegyun Jeon

Satellites are widely used to estimate and monitor ground cover, providing critical information to address the challenges posed by climate change. High-resolution satellite images help to identify smaller features on the ground and…

Image and Video Processing · Electrical Eng. & Systems 2024-11-19 Jhanavi Hegde

Imitation learning is a powerful tool for training robot manipulation policies, allowing them to learn from expert demonstrations without manual programming or trial-and-error. However, common methods of data collection, such as human…

Robotics · Computer Science 2023-10-18 Murtaza Dalal , Ajay Mandlekar , Caelan Garrett , Ankur Handa , Ruslan Salakhutdinov , Dieter Fox

One of the primary objectives of satellite remote sensing is to capture the complex dynamics of the Earth environment, which encompasses tasks such as reconstructing continuous cloud-free image sequences, detecting land cover changes, and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Yuxiang Zhang , Shunlin Liang , Wenyuan Li , Han Ma , Jianglei Xu , Yichuan Ma , Jiangwei Xie , Wei Li , Mengmeng Zhang , Ran Tao , Xiang-Gen Xia

While annotated images for change detection using satellite imagery are scarce and costly to obtain, there is a wealth of unlabeled images being generated every day. In order to leverage these data to learn an image representation more…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Marrit Leenstra , Diego Marcos , Francesca Bovolo , Devis Tuia

The future large adaptive telescopes will trigger new constraints for the calibration of Adaptive Optics (AO) systems equipped with pre-focal Deformable Mirrors (DM). The image of the DM actuators grid as seen by the Wave-Front Sensor (WFS)…

Instrumentation and Methods for Astrophysics · Physics 2021-05-26 C. T. Heritier , T. Fusco , S. Oberti , B. Neichel , S. Esposito , P. -Y. Madec

Ground-based solar observations are severely affected by Earth's turbulent atmosphere. As a consequence, observed image quality and prevailing seeing conditions are closely related. Partial correction of image degradation is nowadays…

Instrumentation and Methods for Astrophysics · Physics 2021-02-10 Robert Kamlah , Meetu Verma , Andrea Diercke , Carsten Denker

Change point detection is a crucial aspect of analyzing time series data, as the presence of a change point indicates an abrupt and significant change in the process generating the data. While many algorithms for the problem of change point…

Machine Learning · Computer Science 2023-05-23 Mario Krause

We consider the sequential change-point detection problem of detecting changes that are characterized by a subspace structure. Such changes are frequent in high-dimensional streaming data altering the form of the corresponding covariance…

Statistics Theory · Mathematics 2018-06-29 Liyan Xie , George V. Moustakides , Yao Xie

A lot of work has been done to reach the best possible performance of predictive models on images. There are fewer studies about the resilience of these models when they are trained on image datasets that suffer modifications altering their…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Pau Gallés , Katalin Takats , Javier Marin

Optical aerial images change detection is an important task in earth observation and has been extensively investigated in the past few decades. Generally, the supervised change detection methods with superior performance require a large…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Yuan Zhou , Xiangrui Li

Urbanization challenges underscore the necessity for effective satellite image-text retrieval methods to swiftly access specific information enriched with geographic semantics for urban applications. However, existing methods often overlook…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Siru Zhong , Xixuan Hao , Yibo Yan , Ying Zhang , Yangqiu Song , Yuxuan Liang

Optical Earth observation satellites acquire images worldwide , covering up to several million square kilometers every day. The complexity of scheduling acquisitions for such systems increases exponentially when considering the…

Machine Learning · Computer Science 2019-11-14 Adrien Hadj-Salah , Rémi Verdier , Clément Caron , Mathieu Picard , Mikaël Capelle