# Questions tagged [image]

Tag for questions about bitmapped graphics, particularly those using the Image function.

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### Getting the real coordinates of a point by using the "Get Coordinates"

I had previously asked a question here, how to get the real coordinates of the points in the following figure by Mathematica: Two answers were provided, which by using them, I could get almost all ...
80 views

### ColorFunction in SphericalPlot3D fails with ImageValue

I would like to texture and deform a sphere with with images using various mapping functions between x,y and phi,theta. I figure I should start with $f(phi,theta)=(x,y)$ as a test case. However, I ...
50 views

### Fullpath of image in tutorial?

Is it possible to figure out the fullpath of an image in tutorial ? For example, we can find an image of duck in tutorial/ImageProcessing. But it is not easy to figure out the fullpath of the image. <...
244 views

### Fast Segmentation

Imagine I have an image of a segmented tissue as follows what is the fastest way of converting such an image into a mesh-type object in Mathematica? I am familiar with ...
61 views

### Export 3D vector pdf in Mathematica 13.1

it seems hard to export 3D vector image in Mathematica 13.1, code like ...
144 views

### What are all the ways to remove noise from an image and how to choose the right method?

I am learning how to use image processing and I am a bit overwhelmed by all the options to remove speckle noise in an image. Here is a list of functions that I learned about: ...
54 views

### How to repair possible origin problem in png files?

i tell you, my daughter uses a figure cutting program called Silhouette Studio and loads and traces png files so that later a machine cuts them, recently she acquired some png files that behave in a ...
56 views

### Motion blurring in the frequency domain

My task is to implement a motion blurring filter via the frequency domain. The transfer function for this is as follows: I previously consulted this answer for starter code. My function is shown below:...
192 views

### How to obtain a crisp maybe vector graphics format image from a symbollic expression

[EDIT : The image should stay within Mathematica so I can not use Export["file.svg", expression] as Import does not ...
367 views

### Export Vectorized Images

I read the answered question here which was for 7 years ago. I want to use DensityPlot3D function to draw a figure and save it as eps, pdf, or SVG as a vectorized ...
59 views

### How to restore a photo by using two photos

I have same two photos. They are both in need of restoration. How can I sort of combine them such that I get the best of both worlds? Image#1 Image#2
70 views

### How to control the Image Assistant Toolbar?

(Cross-posted on the Wolfram Community.) When we select an Image in the FrontEnd, the Image Assistant Toolbar appears attached under it: How can we temporarily ...
169 views

### How to display PNG image in notebook with best quality

Consider the following image: It looks quite good here on the site. (So probably this site and also my browser know how to display it with best quality). Now the image can be uploaded into ...
1 vote
58 views

### How to remove the background from a bokeh photo?

Is there a way to remove the bokeh background from photos using Mathematica? An example photo is given below. I tried the methods answered here and here but they don't seem to work.
80 views

### Exporting images correctly as insets in plots

I want to add an image into a plot. Lets leave the plot empty for simplicity. It is important that in the end the pixels of the image are identical to the original. First we define an example image: <...
169 views

### Apparent bug in ImageHistogram

When building a simple image with only red Rred = Image[Table[{r, 0, 0}, {r, 0, 255}, {g, 0, 255}], "Byte"], the corresponding histogram displays badly: each channel has a wrong colour ...
193 views

### How to convert a Java BufferedImage to a Mathematica Image?

Mathematica's CurrentScreenImage is very buggy on multiple monitor setups, so Wolfram tech support has proposed to use .NET or Java frameworks to implement my own. ...
262 views

### Labeling images for TrainImageContentDetector

I want to use TrainImageContentDetector on a directory of ~2k unlabeled images. I'm willing to put in the effort to label them, but I was never good at using "...
36 views

### Problems with ImageResize using Mathematica Online (different results than Mathematica desktop .nb)

I originally created a package (.m file) which handled figure formatting. This package was read into my desktop notebook file. In the code block below, I use ImageResize[image,width] to resize an ...
131 views

### How can I compress DICOM images?

I have 193 dcm files in a folder. I will like to combine these images into .dcm.gz format (e.g. images.dcm.gz) and I was wondering how this could be done in Mathematica. Thank you in anticipation of ...
1 vote
165 views

### Coordinates system used by Get Coordinates on large images

I often try to crop images by selecting a few points manually with the interactive tools and copy-paste them in ImageTrim[theImage,ThePoints]. It works fine on ...
1 vote
46 views

### How to create a single PDF from a list of HEIC files?

In attempting to create a PDF from a series of HEIC files created on my iPhone, I did the following after loading them into a directory on my Windows computer: ...
85 views

### Disable image resize

Below is a screenshot of mathematica help : As you see, if I click the image, orange colored frame appears, and we can control its size. Can we make it impossible to resize an image ? Probably by ...
67 views

### Rasterize : actual size, within a code [closed]

How to get rasterized image of actual size ? ...
106 views

### ImageDimensions[Plot[something]] : where does ratio 1.666... come from

From my knowledge, ImageSize is an option that adjust the width of an image. ...
362 views

### How to create this image with the current colors and as a mesh?

I need to create this image bigger with that coloring, and also as a mesh or wire structure, please help me. I tried to connect the dots, but it didn't work and I deleted it There is some command ...
234 views

### How can we Rasterize only plots profile without frame or labels?

Exporting very dense DensityPlot or Plot3D figures as vectors (pdf, eps) become very huge in size. for example, exporting this ...
8k views

### How to automatically remove text from images?

I'd like to remove the text in the center of images automatically. To use Inpaint[], you need a mask, but I don't have one. So really the problem is: How to build ...
366 views

### Wrong Graphics coordinate system after Image to Graphics conversion

Bug introduced in 12.3 or earlier and persisting through 13.1.0 [CASE:4896512] If I upload this image (originally this img was generated by ...
80 views

### Create grid-like Image3D

I would like to create a visualization of a volume with the help of equally-spaced grid lines. The effect I want to get is easily obtainable for 2D images, the image is simply divided into quadratic ...
346 views

### Rectangular Image Segmentation?

I'd like to segment an image such that the components are rectangles. Is this possible out of the box? For example: ...
88 views

### Imported macOS screenshots display differently

When I take a screenshot in macOS (cmd-shift-4) and then import into a notebook, the colors tend to look washed out. Can anyone reproduce this behavior, and is there a workaround? For example let's ...
292 views

### What is idiomatic way to extract NumericArray from Image?

It is easy to see that NumericArray is a construct underlying Image: ...
129 views

### Import causes image to lose resolution

I am having trouble preserving image resolutions in Mathematica 13.0.1. The following is a free high-resolution GIF from Giphy dot com, pasted below for your convenience: I notice that even if I ...
81 views

### Applying Super-Resolution to differently sized images

I would like to make some images larger and noticed that there is a page in the documentation for doing super-resolution using a network structure. It's called "A Model for Super-Resolution."...
57 views

### How can I outline my figures?

I am currently producing some figures, all using the same colours. This, however makes them impossible to distingis from one another. This is my code ...
147 views

### Import high-resolution images from a PDF?

I have a pdf file that I want to resize after importing. However, ImageResize doesn't seem to take into account the high-resolution of the initial image, and resizing makes it very pixelated. I can ...
62 views

### How can I remove undesired straight line suddenly appearing in the exported image of mathematica?

I'm drawing a picture of some 2D flows (x[t],y[t]) generated by differential equations of x[t] and y[t]. The code is as follows. The picture I get inside mathematica is like Something is already ...
320 views

### Background removal with hair

I'd like RemoveBackgound to work on images where the foreground boundary is nontrivial e.g. with hair: ...
1 vote
74 views

### How to put image in mathematica header?

I wanted to know if you can help me how to put this image in the header of the notebook Thanks in advance :)
100 views

### How to get ImageResolution for the Image?

Is it possible to get (not change!) ImageResolution for an existing Image, say the one I have imported from a file? ...
44 views

### In using GeoGraphics "GeoImage" on custom rasterized images to Mollweide projection, but image outputs are fuzzy- GeoZoomLevel doesn't apply

My goal is to apply custom high quality rasterized Planck CMB images to project to Mollweide with "GeoImage" GeoGraphics. In testing basic shape images the outputs are fuzzy no matter how ...
1k views

### Why in Mathematica 13 do imported PDFs have lower image quality?

I'm finding images imported into Mathematica 13 notebooks are noticeably pixelated. (Oddly, pasting an image into a notebook cell does not have this problem.) Has the default changed for some import ...
166 views

### Colors in ImageMarker

The symbol ImageMarker (new in 10.4) seems to ignore color commands: ...
147 views

### Extracting intensity from density plot image given color bar

I have an image showing a density plot from a paper, as well as the corresponding color bar. I am trying to convert this back to a 2D array of intensities. Here's what I did, which works but seems to ...
144 views

### Generating a network from an image

This is a follow up to my previous question here I have to skeletonize an image (ref) and convert the skeleton into a network. I've tried the following ...
197 views

### Exactly recreating image NetEncoder output

I need to run an exported NetChain in ONNX, surprisingly the model exports and runs successfully, but there's a discrepancy in the image loading stage (the NetEncoder'ing that must be written manually)...
1k views

### Importing a Canon Raw file (.CR2)

This is a very top level question with no code examples attached. I have an interest in using Mathematica to read raw files coming from a Canon camera, before they are converted into jpg's, where ...