# Questions tagged [smoothing]

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### Using ImageGraphics in Mathematica [closed]

As a followup to my post here, I'd like to smooth the output of the image obtained from ImageGraphics. Input image is the following ...
48 views

### Calculate and plot mean values of pairs of data points

I have a list of data points where there can be multiple y values for a given x value, e.g., {{0, 4}, {1, 2}, {1, 3}, {2, 3}}. I would like to Take the mean of the y values for each x value. Get a ...
50 views

### Moving map with non-overlapping window

How can I apply a function to a list with non-overlapping window. E.g. $data = \{x_1, x_2, ...., x_n\}$ and we apply f with window size 2 to get $\{f(x_1,x_2), f(x_3, x_4), ...., f(x_{n-1}. x_n)\}$. ...
57 views

### BSpline vs natural spline [closed]

The BSpline in mathematica is defined mathematically here. These BSplines constitute basis for any Spline. But how do I define natural splines in mathematica, i.e. splines that are linear left of the ...
35 views

### RegionPlot with FindMaximum

I don't understand why each time I'm launching this computation Mathematica buggs and I get a message from Windows that the Kernel stopped working... I'm trying to get a map of where the value of ...
423 views

### Catmull-Clark and Doo-Sabin Subdivision Implementations

I want to work on subdivision surfaces. Unfortunately, I don’t have any source code to start with. I need some Mathematica codes for applying Catmull-Clark and Doo-Sabin methods. I would like to ...
129 views

### How to make the ListContourPlot3D smooth and closed?

I am struggling with making my plot in ListContourPlot3D smooth and closed. I have seen so many posts regarding the same issue but in other functions, the solution of which can not be applied to ...
85 views

### Smoothing random data with MovingAverage

If I have this kind of data: ...
117 views

### Changing the averaging window dynamically in a moving average

I have some temperature decay data (2k points) that is very noisy for large time values. I don't want to do much or any smoothing to the data early on, but would like a large window to average over ...
29 views

### Smoothing the surface created from a set of points

I have a question about "smoothing" the surface created on the basis of a set of points. I would like to get an effect similar to that from the Documentation Center. enter link description here The ...
46 views

### Smoothen curve in ListDensityPlot [duplicate]

I have a list of points of dimensions (150,101) and I am plotting them in a ListDensityPlot. I am happy with the command and how the data is represented, but I ...
437 views

### Smoothing noisy data

I have this data shown in picture 1 below and I want to filter it. I tried some filters but I couldn't get good results. seems that I didn't choose the best parameters for it. I want to smooth my ...
148 views

### How to find the boundary of a region from a dataset

I have a dataset which supposed to show some regions. For example ...
738 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 ...
436 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 ...
116 views

### Smoothing EdgeDetect - image processing

I have to make a program that analyzes the image of saw tooth and later find the function that can describe it (or just part of it). Now I have a problem with smoothing the edges detected with ...
93 views

### Smoothing 2-d Functions [closed]

I have a large array of triples (x_i,y_i,f(x_i,y_i)) The the values x_i and y_i are equidistant variables and the function values f(x_i,y_i) are results of a Monte Carlo calculation which contain ...
511 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 ...
913 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 ...
142 views

### Reshape interpolated data

I want to reshape/smooth the following data: ...
620 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 ...
98 views

### DistributionChart and kernel smoothing: preventing negative numbers

I am visualising rather scarce data about size distribution of certain objects (here - oil basin areas on continents, to be specific). There is no raw data, but some already processed quantities, for ...
500 views

### Interpolating or smoothing list plot

I am currently trying to interpret my FTIR data. But due to a lot of background noise, my spectrum is quite spiky and fluctuating at some points. I want to try to smoothen my function to make the ...
863 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 ...
188 views

### How to make logic for detecting “abnormality point” and remove it from data points

Here are my data points: ...
218 views

### Smoothing a cusp in plotted data

Here are my data points: ...
1k views

### Interpolate the noisy data

I have some noisy data ...
281 views

### Smoothing the gradient of the potential function from a finite element calculation

The results from a finite element calculation using NDSolve are, in this case, a potential function expressed as an interpolation function. To get values from the potential function it is necessary to ...
467 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 <...
321 views

### What exactly do DerivativeFilter and RidgeFilter do with the scale parameter?

Both DerivativeFilter and RidgeFilter take an optional parameter σ to indicate the scale of ...
298 views

### Smooth curves in a raster image

I have a *.bmp image, e.g. this one: I need to smooth boundaries of the thick curves and save it in a vector graphics form. Is there a simple way how to do that in Mathematica 10? I know it is ...
155 views

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### 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 ...
154 views

### I want to plot 3Dhistogram from my data?

I have the data file like this: {{16.3009, 5454}, {16.2118, 5463}, {15.8156, 5414}, {15.9585, 5515}, {16.2253, 5459}, {16.284, 5419}, {15.6112, 5389}, {15.7221, 5403}, {15.509, 5445}, {15.6993, ...
229 views

### How to make lines more smooth in Graphics3D? [duplicate]

I drew using Graphics3D, but I found the quality of output is very low, like this:. I wanted to improve the quality of the output, make it more smooth. But I can't ...
275 views

### How to get smoother curves when plotting with mathematica 8.0?

Using the following line of code, I am trying to plot a few curves side-by-side. However, it turns out that the output curves are not that smooth as seen from the ups and downs (oscillating pattern) ...
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 ...
533 views

### Plotting multiple lists together with their avarages in a single plot

I have as example multiple lists of x data (in mm) http://pastebin.com/7xwgGDsd which I want to plot against time (in sec). ...
564 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. ...
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 ...