Bag-of-Words and Object-Based Classification for Cloud Extraction From Satellite Imagery

  title={Bag-of-Words and Object-Based Classification for Cloud Extraction From Satellite Imagery},
  author={Yi Yuan and Xiangyun Hu},
  journal={IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing},
Automatic cloud extraction from satellite imagery is an important task for many applications in remote sensing. Humans can easily identify various clouds from satellite images based on the visual features of cloud. In this study, a method of automatic cloud detection is proposed based on object classification of image features. An image is first segmented into superpixels so that the descriptor of each superpixel can be computed to form a feature vector for classification. The support vector… CONTINUE READING
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