Remote Sensing Image Enhancement through Spatiotemporal Filtering
Hessah Albanwan

TL;DR
This paper introduces a spatiotemporal bilateral filter to enhance remote sensing images, improving classification accuracy by leveraging temporal information in satellite image sequences.
Contribution
It proposes a novel spatiotemporal filtering method that reduces radiance differences in multitemporal images to boost transfer learning accuracy in classification tasks.
Findings
Classification accuracy improved by up to 15% with the new filter.
The filter effectively reduces noise and radiance differences in multitemporal images.
Experiments on Landsat 8 and Planet satellite images validate the method's effectiveness.
Abstract
The analysis of time-sequence satellite images is a powerful tool in remote sensing; it is used to explore the statics and dynamics of the surface of the earth. Usually, the quality of multitemporal images is influenced by metrological conditions, high reflectance of surfaces, illumination, and satellite sensor conditions. These negative influences may produce noises and different radiances and appearances between the images, which can affect the applications that process them. Thus, a spatiotemporal bilateral filter has been adopted in this research to enhance the quality of an image before using it in any application. The filter takes advantage of the temporal information provided by multi temporal images and attempts to reduce the differences between them to improve transfer learning used in classification. The classification method used here is support vector machine (SVM). Three…
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Taxonomy
TopicsRemote-Sensing Image Classification · Remote Sensing and Land Use · Advanced Image Fusion Techniques
