Written and maintained by:

Xylar Asay-Davis (Potsdam Institute for Climate Impact Research)

Mike Wong (UC Berkeley Astronomy)

ACCIV is the Advection-Corrected Correlation Image Velocimetry technique for measuring velocity fields from time-separated image data. ACCIV is described in Xylar Asay-Davis et al. (2009; Icarus 203, 164–188, http://dx.doi.org/10.1016/j.icarus.2009.05.001).

The source code is freely available here on GitHub under the MIT license.

• The Mechanics of ACCIV
  • Installing ACCIV
  • Preparing image datasets and choosing parameter values
  • Running ACCIV
  • ACCIV output
• The Art of ACCIV
  • Optimizing input parameters
  • Calculating uncertainties
  • Visualizing ACCIV output
• Mastering ACCIV
• Frequently Asked Questions