In this paper we consider the problem of detecting, from a finite discrete set of points, the curves across which a two-dimensional function is discontinuous. We propose a strategy based on wavelets which allows to discriminate the edge points from points in which the function has steep gradients or extrema.
Rossini, M. (2009). Detecting discontinuities in two-dimensional signals sampled on a grid. JOURNAL OF NUMERICAL ANALYSIS,INDUSTRIAL AND APPLIED MATHEMATICS, 4(3-4), 203-215.
Detecting discontinuities in two-dimensional signals sampled on a grid
ROSSINI, MILVIA FRANCESCA
2009
Abstract
In this paper we consider the problem of detecting, from a finite discrete set of points, the curves across which a two-dimensional function is discontinuous. We propose a strategy based on wavelets which allows to discriminate the edge points from points in which the function has steep gradients or extrema.
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