International Journal on Science and Technology

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Advances in Synthetic Aperture Radar Image Change Detection: Challenges and Innovations

Author(s) Himani Prajapati, Dr. Vibha Patel
Country India
Abstract One of the most crucial areas of study in remote sensing is the detection of changes in Synthetic Aperture Radar images, which finds use in disaster relief and environmental monitoring. The study presents an analysis of machine learning techniques in SAR image change detection. Traditional methods, which consist of image differencing followed by thresholding, are introduced. Novel supervised change detection models based on feature representation learning using convolutional neural networks are proposed. A detailed presentation of a few unsupervised models follows. An innovative network design for detecting changes in Synthetic Aperture Radar images is the Siamese Adaptive Fusion Network (SAFNet). This makes the problem challenging in SAR image change detection, mainly due to the complex multiscale feature fusion and limited correlation between multitemporal features. By using a two-branch CNN architecture to extract high-level semantic features from multitemporal SAR pictures and adaptively fuse them using a fusion module that takes use of complementary information at various feature levels, SAFNet overcomes these problems.
Keywords Synthetic Aperture Radar, Change Detection, Siamese Adaptive Fusion Network (SAFNet), Deep Learning
Field Engineering
Published In Volume 16, Issue 1, January-March 2025
Published On 2025-03-22
Cite This Advances in Synthetic Aperture Radar Image Change Detection: Challenges and Innovations - Himani Prajapati, Dr. Vibha Patel - IJSAT Volume 16, Issue 1, January-March 2025. DOI 10.71097/IJSAT.v16.i1.2680
DOI https://doi.org/10.71097/IJSAT.v16.i1.2680
Short DOI https://doi.org/g892fj
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