Joint bilateral upsampling

Johannes Kopf*, Michael F. Cohen, Dani Lischinski, Matt Uyttendaele

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

762 Scopus citations

Abstract

Image analysis and enhancement tasks such as tone mapping, colorization, stereo depth, and photomontage, often require computing a solution (e.g., for exposure, chromaticity, disparity, labels) over the pixel grid. Computational and memory costs often require that a smaller solution be run over a downsampled image. Although general purpose upsampling methods can be used to interpolate the low resolution solution to the full resolution, these methods generally assume a smoothness prior for the interpolation. We demonstrate that in cases, such as those above, the available high resolution input image may be leveraged as a prior in the context of a joint bilateral upsampling procedure to produce a better high resolution solution. We show results for each of the applications above and compare them to traditional upsampling methods.

Original languageAmerican English
Article number1276497
JournalACM Transactions on Graphics
Volume26
Issue number3
DOIs
StatePublished - 29 Jul 2007

Keywords

  • Bilateral filter
  • Upsampling

Fingerprint

Dive into the research topics of 'Joint bilateral upsampling'. Together they form a unique fingerprint.

Cite this