Anisotropic Bilateral Filters for Edge-Preserving Stripe Enhancement

Kohei Inouet, Kiichi Urahama

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

An anisotropic extension is presented to a bilateral filter which is an edge-preserving nonlinear filter. Spatially anisotropic weights are adjusted on the basis of the gradient tensor of the luminance at each pixel of an image. This anisotropic bilateral filter is applied to enhance stripe patterns such as fingerprints and nonphotorealistic rendering for generating flow patterns in pictures. Extension of the low-pass characteristics to a band-pass ones strengthens, the stripe enhancement effect of the filter.

Original languageEnglish
Pages (from-to)115-120
Number of pages6
JournalKyokai Joho Imeji Zasshi/Journal of the Institute of Image Information and Television Engineers
Volume58
Issue number1
DOIs
Publication statusPublished - Jan 2004

All Science Journal Classification (ASJC) codes

  • Media Technology
  • Computer Science Applications
  • Electrical and Electronic Engineering

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