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17
votes
2answers
418 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 ...
22
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
2
votes
1answer
88 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
63 views

Pixel-wise image manipulation

I downloaded an image from a website and imported it to Mathematica ...
8
votes
2answers
383 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 ...
1
vote
1answer
108 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 ...
12
votes
1answer
470 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
54 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
179 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 ...
2
votes
1answer
156 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 ...
10
votes
1answer
531 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
125 views

How to find the boundary of a region from a dataset

I have a dataset which supposed to show some regions. For example ...
1
vote
1answer
62 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?
1
vote
1answer
141 views

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

I need the image to be totally blank, so the black must disappear
2
votes
3answers
251 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 ...
43
votes
1answer
13k 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?
11
votes
1answer
173 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
956 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 ...
1
vote
0answers
33 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
315 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
313 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
185 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 known as ...
3
votes
2answers
266 views

Labeling elements of a grid

Let's create a simple $3 \times 3$ grid of images ...
1
vote
1answer
845 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
83 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?
3
votes
1answer
171 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
194 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 "...
6
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
212 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 ...
1
vote
1answer
133 views

How to add the picture to graph without overlapping?

I want to add some pictures to my plot and point them to especial part of the graph with the arrow (or maybe something fancier) but I got problem the canvas of my pictures are too big and its cover ...
1
vote
1answer
290 views

Positioning images in Graphics using Inset

I need to position a certain part of a photographic image at the origin of a plot in Graphics. I am currently using Inset[image, {0,0}, {xpos,ypos}, size] and ...
2
votes
3answers
483 views

Visual superposition of two images

In a previous question Karsten 7. proposed an elegant image-manipulation solution on how to overlay two images. However in the following case the method does not properly work and needs refinement. ...
10
votes
2answers
2k views

Pixel perfect world map with no border lines

I'm trying to build a real world map in Minecraft and want a pixel-perfect raster image I can copy pixel for block. How can I modify ...
8
votes
1answer
211 views

Weird behaviour of HighlightImage—bug or not?

For background, check my answer under this question. It is clearly stated in the documentation of HighlightImage that the 2nd argument,...
14
votes
2answers
422 views

How to retouch (smart fill) photo image?

Can the program proposed by Alexei Boulbitch at the post of Custom arrow shaft be adapted to retouch an image in setting a mask arround the part one desires to disapear? This is only a suggestion, ...
32
votes
1answer
4k 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
0answers
52 views

Magnify Part of a 3D Graphic [duplicate]

I have a 3D Graphic built, and I want to magnify part of it. I would prefer a circle or ring-shape that can be placed anywhere in front of a 3D graphic that would magnify it. Ultimately, I want to ...
1
vote
0answers
81 views

Fast Creation of Label Matrix for Use With ComponentMeasurements?

I am taking a lot of measurements from regions of interest in microscopy images and am finding that generating binary masks to use with ComponentMeasurements is rather slow (at least it's slow the way ...
1
vote
1answer
194 views

Speed Up Sampling of Perimeter of Polygon

I have a polygon whose vertices (points) are defined by some image coordinates that I have manually selected. The polygon is used to create a mask for a region of interest in a microscopy image. ...
3
votes
2answers
728 views

How to copy Coordinates of “Get Coordinates” in Figure?

I am trying to reproduce the answer here about Recovering data points from an image. I click the figure and press "Get Coordinates". I would like to copy the four coordinates by CTRL-C and then paste ...
3
votes
1answer
184 views

How to guarantee the point's position is fixed in the Graphics and Image

SeedRandom[8] plot = ParametricPlot[ Evaluate@BezierFunction[temPoint = RandomReal[{-50, 50}, {5, 2}]][ t], {t, 0, 1}, AxesOrigin -> {0, 0}] We can ...
1
vote
0answers
64 views

Convex and concave regions of a closed curve [duplicate]

A few days ago, in Mathematica's help, I saw a function for recognizing if a closed curve has a positive or negative radius (convex or concave) like in the picture I found on the web, but without the ...
2
votes
1answer
353 views

How to get a full closed contour image [closed]

In this program, I need to select the point on the contour image that has the same abscissa as the center of the contour and has the highest ordinate. However, since the contour is not full closed, ...
2
votes
0answers
872 views

How to convert an uploaded image to a “dot-to-dot” puzzle? [closed]

I would like to upload an image to Mathematica and have the software place numbered points throughout the image so that it appears as a "dot-to-dot" image puzzle. I would also like to specify exactly ...
10
votes
2answers
544 views

How to extract a region shape from an 2 colour image?

I'll start by saying that I don't know anything about image processing. I have an image and I need to extract its outermost shape for use in a WordCloud. The image ...
5
votes
1answer
959 views

Circular crop: extract non rectangular parts of an image

I want to extract a part of an image. For example, let's start with something like the following image: I would like to apply some image processing to get this result: I have tried to manipulate <...
9
votes
4answers
566 views

How can I delineate the outline of a complex shape?

I have a picture of a lake as follows: And I want to delineate the outline of the lake. I binarized the picture and obtained img: ...
4
votes
1answer
145 views

Rotate imported images which are inset into a Graphics container and then overlapped?

The methods given as answers to this question do not seem to work here. I suspect it is because of my use of Inset function. Consider two .png images hand1 and ...
1
vote
1answer
177 views

Remove color artifacts in overlay of several Graphics objects?

I am trying to create an animation with a graphic of an arm that can bend at the elbow. For this purpose I created the following two images: hand1 and hand2. I load the images with ...