How can I find all zeros in a 2d matrix and change those values by interpolating with the closest available values ?

14 views (last 30 days)
For example, A=

Accepted Answer

Image Analyst
Image Analyst on 8 Jun 2017
You could use regionfill(), if you have the Image Processing Toolbox, to do it in a single line of code:
outputArray = regionfill(inputArray, inputArray == 0);

More Answers (1)

Walter Roberson
Walter Roberson on 7 Jun 2017
[gr, gc, gv] = find(A);
F = scatteredInterpolant(gr, gc, gv);
[br, bc] = find(~A);
replacements = F(br, bc);
A( sub2ind(size(A), br, bc) ) = replacements;


Find more on Interpolation in Help Center and File Exchange

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by