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A brief discussion on low-pass and high-pass filtering in image enhancement

  • 2013-09-22
  • 1.09MB
  • Points it Requires : 2

This paper analyzes and compares the characteristics of several typical spatial domain filtering methods, and attempts to find a denoising method to restore the original image contour by first performing low-pass filtering and then high-pass filtering on the noisy image. Based on the experiment, it is proved that the median filtering algorithm combined with the Laplace operator is ideal for eliminating salt and pepper noise.

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