Questions tagged [smoothing]

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50
votes
7answers
3k views

Character edge finding

The following line of code finds the edge of a character: ...
23
votes
2answers
753 views

Smoothing 3D contours as post processing

Context Following this question (and great answer!), It would be nice to have a function which also smooths 3D contours plots once they have been done. There are various solutions which involve ...
18
votes
3answers
5k views

Smoothing ListContourPlot contours

I have some data of type {{x1, y1, f1}, {x2, y2, f2}, ...} and want to do ListContourPlot. However, there is a problem that the ...
34
votes
1answer
928 views

How to perform Loop subdivision on a triangle mesh with Mathematica?

(Cross posted on Wolfram Community) Every now and then, the question pops up how a given geometric mesh (e.g. a MeshRegion) can be refined to produce a (i) finer ...
9
votes
3answers
570 views

Derivative of contour in ContourPlot

Sorry to bring this question up again, since there are many similar questions on the site. I use to think this is a easy job to do, because for the worst case I can follow the answers on this site. ...
15
votes
3answers
441 views

Generic contour smoothing with shading

Context It would be nice to have a function which smooths contours plots once they have been done. There are various solutions which involve smoothing the data before making the contours, but here I ...
0
votes
2answers
526 views

Interpolating noisy data

My data looks like this: https://pastebin.com/n59CTB3L Or if displayed in log chart: I want to create an interpolation of the data that would remove most of the noise. What are some good ways to ...
10
votes
2answers
878 views

How to get a smooth ridge from a binary image

I always have this demand,but Mathematica cannot implement this perfectly for me.For example,I have such binary image ...
13
votes
3answers
630 views

Improve the mesh smoothing procedure

My question is inspired by this answer about meshing with quadrilateral elements. The following functions are my (naive) try of implementing the Laplacian smoothing. I find interior nodes in the mesh ...
5
votes
4answers
477 views

How to get a smooth outline

I have a outline image img=Uncompress[FromCharacterCode[ Flatten[ImageData[Import["http://i.stack.imgur.com/cc0Mt.png"],"Byte"]]]] This is current method <...
12
votes
3answers
1k views

Interpolate the noisy data

I have some noisy data ...
9
votes
3answers
375 views

How to smoothen a surface given as a mesh?

I am trying to "smoothen" meshes. For example, if starting from a cuboid, I would like something similar to a rounded cuboid. There are many ways to smoothen a surface, but I am not going to give a ...
9
votes
1answer
1k views

Smoothing out data points in a ListDensityPlot

I stumbled upon this problem when I was trying to make some nice smooth ListDensityPlots of my numerical data. In short, my problem is that I let Mathematica plot two copies of basically the exact ...
2
votes
2answers
220 views

Smoothing a cusp in plotted data

Here are my data points: ...