SAR-SIFT: A SIFT-like algorithm for applications on SAR images

  title={SAR-SIFT: A SIFT-like algorithm for applications on SAR images},
  author={Flora Dellinger and Julie Delon and Yann Gousseau and Julien Michel and Florence Tupin},
  journal={2012 IEEE International Geoscience and Remote Sensing Symposium},
The scale invariant feature transform (SIFT) algorithm, commonly used in computer vision, does not perform well on synthetic aperture radar (SAR) images, in particular because of the strong intensity and the multiplicative nature of the noise. We present an improvement of this algorithm for SAR images. First, a robust yet simple way to compute gradient on radar images is introduced. This step is first used to develop a new keypoints extraction algorithm, based on the Harris criterion. Second… CONTINUE READING


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