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   Articles with "image change" as a keyword



SAR Image Change Detection Based on Joint Dictionary Learning With Iterative Adaptive Threshold Optimization

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recommendations! Published in 2022 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2022.3187108

Abstract: Synthetic aperture radar (SAR) image change detection is still a challenge due to inherent speckle noise and scarce datasets. This article proposes a joint-related dictionary learning algorithm based on the k-singular value decomposition (K-SVD) algorithm… read more here.

Keywords: change detection; change; sar image; image change ... See more keywords

STransUNet: A Siamese TransUNet-Based Remote Sensing Image Change Detection Network

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recommendations! Published in 2022 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2022.3217038

Abstract: In modern remote sensing image change detection (CD), convolution neural network (CNN), especially U-shaped structure (UNet), has achieved great success due to their powerful discriminative ability. However, UNet-based CNN networks usually have limitations in modeling… read more here.

Keywords: change detection; remote sensing; cnn; image change ... See more keywords

SAR Image Change Detection via Heterogeneous Graph With Multiorder and Multilevel Connections

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recommendations! Published in 2024 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2024.3405170

Abstract: Synthetic aperture radar (SAR) image change detection is currently a popular topic, but the existence of speckle noise renders it challenging. Making full use of the neighborhood information can reduce noise interference and improve accuracy.… read more here.

Keywords: heterogeneous graph; change detection; image; sar image ... See more keywords

RaHFF-Net: Recall-Adjustable Hierarchical Feature Fusion Network for Remote Sensing Image Change Detection

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recommendations! Published in 2025 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2024.3485687

Abstract: Remote sensing (RS) image change detection (CD) aims to identify areas of interest that have changed between bitemporal images. For complex scenarios (e.g., varying lighting conditions), the diverse shapes and scales of the changed areas… read more here.

Keywords: remote sensing; recall; change; feature ... See more keywords

Differential-Guided Unsupervised Learning for SAR Image Change Detection

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recommendations! Published in 2025 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2025.3604339

Abstract: The study of difference maps is crucial for synthetic aperture radar (SAR) image change detection tasks. Current methods primarily focus on extracting features from the difference map and original images in a parallel structure while… read more here.

Keywords: change detection; sar image; differential; differential guided ... See more keywords

SAR Image Change Detection via Spatial Metric Learning With an Improved Mahalanobis Distance

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recommendations! Published in 2020 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2019.2915251

Abstract: The log-ratio (LR) operator has been widely employed to generate the difference image for synthetic aperture radar (SAR) image change detection. However, the difference image generated by this pixelwise operator can be subject to SAR… read more here.

Keywords: sar images; change detection; spatial metric; image change ... See more keywords

A Hierarchical Heterogeneous Graph for Unsupervised SAR Image Change Detection

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recommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2022.3224454

Abstract: This letter presents a novel graph-driven synthetic aperture radar (SAR) image change detection approach. A hierarchical heterogeneous graph (HHG) is proposed, combining two distinct graphs: a weighted graph based on adjacency of superpixels of an… read more here.

Keywords: change detection; heterogeneous graph; sar image; graph ... See more keywords

SSN: Stockwell Scattering Network for SAR Image Change Detection

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recommendations! Published in 2023 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2023.3234972

Abstract: Recently, synthetic aperture radar (SAR) image change detection has become an interesting yet challenging direction due to the presence of speckle noise. Although both traditional and modern learning-driven methods attempted to overcome this challenge, deep… read more here.

Keywords: change detection; scattering network; sar image; image change ... See more keywords
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Intrinsic Decomposition Model-Guided Two-Stream Coupled Autoencoder for Unsupervised Hyperspectral Image Change Detection

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recommendations! Published in 2023 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2023.3266091

Abstract: Hyperspectral image change detection (HSI-CD) is one of the main research topics in remote sensing. Theoretically, the ground objects can be considered to have changed when their spectral features behave differently. However, in practical scenarios,… read more here.

Keywords: change detection; hyperspectral image; image change; image ... See more keywords

Unsupervised SAR Image Change Detection Based on Feature Fusion of Information Transfer

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recommendations! Published in 2023 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2023.3266891

Abstract: Synthetic aperture radar (SAR) image change detection is a hot but challenging task due to SAR images’ complex contents and inherent speckle noises. The expected change detection methods should reduce the influence of speckle noises,… read more here.

Keywords: information; change detection; change; sar image ... See more keywords

Wavelet-Based Bi-Dimensional Aggregation Network for SAR Image Change Detection

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recommendations! Published in 2024 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2024.3431532

Abstract: Synthetic aperture radar (SAR) image change detection is critical in remote sensing image analysis. Recently, the attention mechanism has been widely used in change detection tasks. However, existing attention mechanisms often use downsampling operations such… read more here.

Keywords: image; sar image; change detection; image change ... See more keywords