Some Remarks on the Staircasing Phenomenon in Total Variation-Based Image Denoising

  • Khalid Jalalzai
  • Published 2015 in Journal of Mathematical Imaging and Vision

Abstract

This paper deals with the so-called staircasing phenomenon, which frequently arises in total variation-based denoising models in image analysis. We prove in particular that staircasing always occurs at global extrema of the datum and at all extrema of the minimizer. It is also shown that, for radial images, the staircasing always appears at the extrema and… (More)
DOI: 10.1007/s10851-015-0600-1

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