FLOWING BILATERAL FILTER: DEFINITION AND IMPLEMENTATIONS

Authors

  • Maxime Moreaud IFP Energies nouvelles
  • François Cokelaer IFP Energies nouvelles

DOI:

https://doi.org/10.5566/ias.1225

Keywords:

adaptive filter, GPU, 3D image processing

Abstract

The bilateral filter plays a key role in image processing applications due to its intuitive parameterization and its high quality filter result, smoothing homogeneous regions while preserving the edges of the objects. Considering the image as a topological relief, seeing pixel intensities as peaks and valleys, we introduce a way to control the tonal weighting coefficients, the flowing bilateral filter, reducing "halo" artifacts typically produced by the regular bilateral filter around a large peak surrounded by two valleys of lower values. In this paper we propose to investigate exact and approximated versions of CPU and parallel GPU (Graphical Processing Unit) based implementations of the regular and flowing bilateral filter using the NVidia CUDA API. Fast implementations of these filters are important for the processing of large 3D volumes up to several GB acquired by x-ray or electron tomography.

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Published

2015-06-29

Issue

Section

Original Research Paper

How to Cite

Moreaud, M., & Cokelaer, F. (2015). FLOWING BILATERAL FILTER: DEFINITION AND IMPLEMENTATIONS. Image Analysis and Stereology, 34(2), 101-110. https://doi.org/10.5566/ias.1225