Error estimates for a bar code reconstruction method

Selim Esedoglu, Fadil Santosa

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

We analyze a variational method for reconstructing a bar code signal from a blurry and noisy measurement. The bar code is modeled as a binary function with a finite number of transitions and a parameter controlling minimal feature size. The measured signal is the convolution of this binary function with a Gaussian kernel. In this work, we assume that the blur kernel is known and establish conditions (involving noise level and variance of the convolution kernel) under which the variational method considered recovers essentially the correct bar code.

Original languageEnglish (US)
Pages (from-to)1889-1902
Number of pages14
JournalDiscrete and Continuous Dynamical Systems - Series B
Volume17
Issue number6
DOIs
StatePublished - 2012

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