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[Octave-bug-tracker] [bug #35178] griddata: cubic interpolation not yet

From: Nicholas Jankowski
Subject: [Octave-bug-tracker] [bug #35178] griddata: cubic interpolation not yet implemented
Date: Thu, 19 Mar 2020 16:42:40 -0400 (EDT)
User-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36

Follow-up Comment #6, bug #35178 (project octave):

after some searching, the report: 

From: J.C. Chan, J. Ma, F. Canters "A comparison of superresolution
reconstruction methods for multiangle CHRIS/Proba images", SPIE Image and
Signal Processing for Remote Sensing XIV. Vol. 7109, 2008
"For the interpolation, the griddata function in
Matlab is used with the option of triangle-based cubic interpolation. This
interpolation function is based on the Quickhull algorithm described in [21]"

[21] Barber, C. B., Dobkin, D.P. and Huhdanpaa, H.T., “The Quickhull
Algorithm for Convex Hulls”, ACM
Transactions on Mathematical Software, 22(4), 469-483 (1996)

so, progress.


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