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5
votes
2answers
143 views

Extract individual white parts of binarized image

Suppose we have an image, like so: and I managed to create its MorphologicalGraph by using ...
1
vote
3answers
2k views

Projection of curve 3D (x,y,z) on the x-y plane

I have a following systeme : \begin{equation} \left\{ \begin{array}{rcr} (\beta+\frac{1}{2}\delta^{2})\nu_{1}(u)-\delta\nu_{2}(u)+\nu_{3}(u)& = &0\\ (\beta+\frac{1}{2}\delta^{2})\...
23
votes
1answer
925 views

Face Morphing with Mathematica

Can Mathematica be used to produce animations of face morphing (as described in wikipedia? This is a self-answered question because I felt there was a lack of resources on this topic, to share funny ...
4
votes
1answer
149 views

Find a continuous map between two sets of 2D points

Given two sets of points in 2D points1 and points2 inside a rectangle, I would like to find a continuous map ...
48
votes
3answers
3k views

Generating stippled (Penrose-style) drawings of surfaces

In The Road to Reality there are plots of surfaces that use a variable density of dots to suggest curvature. You can see some examples here and here. I suppose they've been drawn by Penrose, but to ...
41
votes
5answers
3k views

How to make a stereogram in Mathematica?

Given a background and a pattern jpg files, is there a quick and easy way to produce a stereogram by using Mathematica? The following picture was produced from Photoshop, spent about half an hour. ...
2
votes
2answers
79 views

Scaling and Stretching a Mesh

I have a Voronoi mesh, given by ...
2
votes
1answer
127 views

Make a 3d plot of 2d “slices”

I have two 2D plots which came from taking slices of a 3D data set of the form (x,y,z,intensity). I manually "sliced" the data set to get the slices I wanted from two planes of interest and plotted ...
47
votes
1answer
18k views

How can I draw a Homer with epicycloids? [duplicate]

You may have seen this video: https://www.youtube.com/watch?v=QVuU2YCwHjw. How does this work, and how to do it with Mathematica?
26
votes
2answers
1k views

How to project 3d image in the planes xy, xz, yz?

Some idea of how to do something similar to the image, but with any 3d object
4
votes
1answer
175 views

Good book on image processing and analysis on Mathematica 12

Can someone recommend a good book on image processing/analysis and graphics on Mathematica 12?
20
votes
2answers
690 views

Creating graph out of particles images

I have recently started learning how to use Mathematica's brilliant image processing tools, and the image I've taken as first example is the following (source): So far I've tried to first use ...
52
votes
4answers
4k views

Mollweide maps in Mathematica

Context In my field of research, many people use the following package: healpix (for Hierarchical Equal Area isoLatitude Pixelization) which has been ported to a few different languages (F90, C,C++, ...
5
votes
4answers
1k views

Creating a realistic, photo-like 3D effect from an image or document

Suppose I have an image or a document, provided in a high-quality PDF file. You can open and view it in a PDF viewer, but then it has a kind of static look: it's not something tangible, it's just an ...
2
votes
1answer
123 views

Plotting large scale image embeddings

I'm looking for help making publication-quality graphics for visualizing 2D embeddings of image datasets, so that they look like this: These two-dimensional embeddings of thumbnails (sometimes with ...
0
votes
0answers
83 views

Pixel-wise image manipulation

I downloaded an image from a website and imported it to Mathematica ...
8
votes
2answers
432 views

Branching points detection in processed image

I want to get the branching coordinates from a computer-generated image like this one: After SkeletonTransform and Pruning, I ...
14
votes
1answer
7k views

Image Processing: Finding Orientation and Position of Symmetry Axes

Background I'm currently toying with Principles of Design by Charlotte Jirousek in order to learn some basics of image processing. As main principals she suggests Balance, Proportion, Rhythm, ...
6
votes
2answers
588 views

How do I transform a rasterized graphic's coordinates back to its original ListPlot data coordinates?

From this question I successfully made an elliptical fit for my data. However, when I try and collect the datapoints within the ellipse via this question the coordinates of my ellipse correspond to an ...
1
vote
1answer
138 views

Numeric data from a color map

Importing the following image (without a scale): and knowing the extreme temperatures, is it possible to obtain the graduated scale? Also, it would be interesting to get the temperatures of all the ...
3
votes
1answer
168 views

Overlap two images and give movement and the result record it in an animated gif

I need to put the circular image 1 in the image with the hole 2 (and cover the gap) the idea is to create an animated gif that shows the image 1 turning to the right and image 2 to the left in a size ...
13
votes
1answer
693 views

Converting image into graphics

I have a black-white image, but it is rather blurry so I was thinking of converting it into vector graphics so I could do some coloring. This is the image: ...
0
votes
0answers
65 views

Can Mathematica convert PDF into QR code too?

I recently learned that we can embed a whole PDF file into QR codes. But many online sites are not free for this service. Just wondering if Mathematica can do this? Note I don't want to convert the ...
3
votes
2answers
198 views

How to extract graph from microscope image?

I have a microscope image of actin filaments and I'd like to extract the geometry of the bright lines into a Graph object: Here's what I have so far, using the ...
13
votes
1answer
1k views

How to make a Nebulabrot?

A Nebulabrot is a generalization of the Buddhabrot, a fractal rendering technique related to the Mandelbrot set that sort of looks like a meditating buddha. The Buddhabrot rendering technique was ...
10
votes
1answer
676 views

How to protrude a 2D image wrapped on a 3D surface

There are a few posts on this theme: How to make a 3D globe? How to render a 3D tubular graphics from a 2D image path How to extrude a 3D image from a binary 2D image However I can't quite piece ...
6
votes
3answers
192 views

How to find the boundary of a region from a dataset

I have a dataset which supposed to show some regions. For example ...
17
votes
4answers
13k views

Saving high-quality graphics through commands

Say I make and display a graph in a Mathematica notebook: graph = CompleteGraph[100] If I drag the corner of the graph to increase its size, and then save it to ...
1
vote
1answer
64 views

Import two Gif files together and play them with just one button

I have two gif files and I want to import and play them at the same time with just one play button. The target is to compare them easily. Is there any way?
32
votes
1answer
5k views

How to generate image like QR code with Mathematica

How to generate such form of QR code which displays an image itself but is still scan-able?
1
vote
1answer
166 views

Remove a specific color (black) within an image [closed]

I need the image to be totally blank, so the black must disappear
101
votes
3answers
13k views

Recovering data points from an image

Unfortunately, some data can only be obtained in picture form (Japanese publications anyone?). Since this cannot be worked with, it has to be converted to a dataset that can; I was wondering whether ...
3
votes
3answers
361 views

Masking an image with an annulus

I have an image where I would like to do 2 things: a) Put a disk of radius r on an specific $\{x,y\}$ position on the image such as the result is the original image within the disk and black color ...
81
votes
4answers
45k views

How to create a new “person curve”?

Wolfram|Alpha has a whole collection┬╣ of parametric curves that create images of famous people. To see them, enter WolframAlpha["person curve"] into a Mathematica ...
11
votes
1answer
213 views

How to make Texture unblurred?

This post is related to this post, But somewhat different. Since Wizard focus on alpha channel, and didn't got an answer. So I made this post. My system is Windows 10, and Mathematica 11.2 If I run ...
5
votes
4answers
958 views

How to double (or triple) each element of equation?

x^2/3+y^2/9==1 (0.5x)^2/3+(0.5*y)^2/9==1 Looks at above two equation,I multiply 0.5 to each element of second equation,which means when plotting, each point ...
6
votes
2answers
1k views

Color mixing or blend

Color mixing seems not only one type. Here is RGB_color_model I wrote this one: ...
4
votes
1answer
182 views

WordCloud out of Images or TeX

Is it possible to use the WordCloud function to create a word cloud out of LaTeX expressions or images (with transparencies) representing equations?
1
vote
0answers
39 views

Prevent Semi-Transparent Pixels in Export

I've noticed that when I export plots in Mathematica without a background, a lot of the text ends being made of semi-transparent pixels. For example: ...
34
votes
1answer
1k views

Drawing Clifford Attractors in Mathematica

I came upon the "Clifford Attractor" today, which are equations of the form: $$x_{n+1}=\sin(a\ y_n) + c \cos(x_n)$$ $$y_{n+1}=\sin(b\ x_n) + d \cos(y_n)$$ They create some incredible images by ...
2
votes
2answers
330 views

Creating a custom e-seal

Well, the question is obvious: how can I create the following e-seal (with the rotated wrapped text, inserted image etc) with Mathematica? The central image is the following So, the following ...
1
vote
1answer
396 views

Extract data from an image of a density plot?

I have a density plot in image form and would like to extract the data points from it. How would I go about using Mathematica to accomplish this? My ideal output ...
3
votes
1answer
213 views

Generate coronograph speckle pattern in mathematica

How to simulate the radial coronograph "speckle-noise" in this image? The 3 circled objects are exoplanets. Their star has been blocked out by a coronagraph, resulting in optical noise ...
3
votes
2answers
347 views

Labeling elements of a grid

Let's create a simple $3 \times 3$ grid of images ...
1
vote
1answer
1k views

Adding text in images

My question is simple How can I add text in a figure like the following? In particular I want two labels: one at the top "Label text 1" ()just above the image and one at the right side (just outside)...
2
votes
1answer
105 views

reproduce the plot from image

I need to reproduce the gray plot (H4-WT) of below image.Is there any way for doing that in Mathematica?
50
votes
7answers
3k views

Character edge finding

The following line of code finds the edge of a character: ...
1
vote
0answers
225 views

Make Person Curve from a Picture

I recently read this; http://blog.wolfram.com/2013/05/17/making-formulas-for-everything-from-pi-to-the-pink-panther-to-sir-isaac-newton/ In this post, newton curve is made by using the image "...
7
votes
2answers
1k views

Image with grid lines

I have an image of a certain size. img = Image[source, ImageSize -> escala]; I want to add a grid with a scale (0 to maxX from left to right and 0 to maxY ...
2
votes
2answers
260 views

graphics - Overlaping Image in red and green scale, mixing pure colors

How can I overlap/merge two density plot (in attach) using Mathematica. One image is in red scale and the other is in green scale. In theses two images the lowest value is white (background) and the ...