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Questions tagged [image]

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

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2 votes
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Exporting bathymetry data in GeoTiff format

I have some bathymetry data in WGS84 UTM15N in {x,y,z} format. Sample: ...
Mahdi Razaz's user avatar
0 votes
0 answers
25 views

FindImageShapes for "Rectangles"?

I need to find affine projections of rectangular content in an image, e.g., paintings, postcards, posters, etc. I was surprised that FindImageShapes only supports ...
user5601's user avatar
  • 3,645
0 votes
0 answers
97 views

Local zoomed-in image? [duplicate]

I want to use a local zoomed-in image. The code is as follows. As you can see, in the zoomed-in image, the 'PlotLabels' such as "Min" and "RF" are not displayed completely. However,...
Yilin Cheng's user avatar
2 votes
1 answer
76 views

Memory problem in exporting images

I saw discussions of similar questions in the past, still, I will ask mine. It seems there is a memory leak in exporting images with recent versions of Mathematica - 13 and 14. What happens is the ...
Dmitry Garanin's user avatar
0 votes
1 answer
41 views

Preserving the font size in exporting images

I am trying to make a video by generating many images of a process, exporting them to the disk by the Export command in the PNG format, and finally making a video with FFmpeg. My images have a title ...
Dmitry Garanin's user avatar
8 votes
1 answer
177 views

Electronic Einstein - Reproducing Herbert W. Franke's dissolving images

Herbert W. Franke Herbert W. Franke (1927 - 2022) was an Austrian scientist and writer. He was one of the important early computer artists, creating digital art since the early 1950s. Franke, a jack-...
eldo's user avatar
  • 74.7k
6 votes
2 answers
210 views

Crop images with two borders

I often download images with two borders (frame and mat). Here is an example downloaded from link: ...
eldo's user avatar
  • 74.7k
4 votes
2 answers
150 views

Help with a simple figure for a poster

I am asking for someone's kind help with creating the figure blow for a poster. The figure I have is a bit too basic and I am don't know how to use Photoshop as yet. Many thanks in advance for any ...
Engineer's user avatar
  • 119
1 vote
0 answers
36 views

remove the text of the images [duplicate]

I want to remove the text of the image in Mathematica. Can someone help me remove the text from the image?
aynaz's user avatar
  • 11
2 votes
2 answers
183 views

Why do image sizes shrink when printing multiple plots as a single object?

I searched the repository a lot and found no answer to the following question. My code below produces 4 plots as a group. Each plot has ImageSize->300. However, ...
Tugrul Temel's user avatar
  • 6,223
3 votes
2 answers
234 views

How do I export an entire notebook as an image?

I am trying to export a complete notebook as a single image. I do not want separate pages, just one really long image. I think I got close to figuring this out in the past, but I forgot what I did. I ...
Alec Graves's user avatar
  • 1,058
0 votes
0 answers
59 views

Problem when copying and pasting codes

When I copy codes I usually have problems, because when I paste them to the Mathematica notebook, they don't run as they should. It has happened to me already several times, and specifically now when ...
Emerson Villafuerte's user avatar
10 votes
1 answer
470 views

Making a Scanimation

Scanimations are also known as a barrier grid animation. These work by overlaying a screen with black (or in the gif below, red) bars separated by transparent bars. The red bar width is an integer ...
Tomi's user avatar
  • 4,398
3 votes
1 answer
186 views

Convert black and white pictures into color images

I have a digital image of an old black and white picture. Is it possible, using Mathematica, to convert this old picture into a black and white image? For example: This transformation was done using ...
Michiel van Mens's user avatar
9 votes
3 answers
292 views

Is there a faster way to compose a large number of random Gaussians?

I'm looking for a more efficient way to generate an image with a large number of randomly coloured Gaussians. Here's the code I'm using: ...
flinty's user avatar
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1 vote
1 answer
43 views

How to get all elements from a single WebImageSearch[]?

I'm trying to use WebImageSearch[] to get a bunch of images and basic metadata about them. According to the documentation, we can get the following info: Is it possible to get all of these for a ...
TumbiSapichu's user avatar
  • 1,603
4 votes
2 answers
212 views

Gray level shading of image histogram bins

How to shade bins in an ImageHistogram to match the image GrayLevel? Inputs Import the following graphic: ...
dantopa's user avatar
  • 1,070
13 votes
1 answer
327 views

Lens on a map. Realistic imitation of magnifying glass on images with text and other small features

UPDATE: Code from this post was used for video generation here: Cinematically moving a lens over images: magnifying glass effect in videos I am trying to create a magnifying glass effect for images ...
Vitaliy Kaurov's user avatar
-2 votes
1 answer
133 views

Please help me how to label curves like this

Please tell me how to label curves like this:
HANG YU's user avatar
  • 87
1 vote
2 answers
144 views

How to calculate the depth of the lake in mathematica?

I want to calculate mean depth of Goose lake (mean depth=4.6 m), I use bellow command for this operation, But this command is not automatic and we have to create the coordinates manually, and on the ...
Erfan's user avatar
  • 169
1 vote
0 answers
45 views

Finding and manually weeding out images in ClusteringComponents clusters

I have processed images using the following code, where list1 and list 2 are x and y axes, sample of images: ...
atomic-muclei's user avatar
0 votes
0 answers
73 views

How to extract shape from image in the Mathematica?

I have some satellite images for the lakes. How to extract the shape of the lake with maximum accuracy from the image?
Erfan's user avatar
  • 169
1 vote
2 answers
109 views

How to import many Images in Mathematica?

I have 150 images that I want to import into the Mathematica, and process. I use this code but I get errors. I ran the example for three images. ...
Erfan's user avatar
  • 169
1 vote
0 answers
76 views

Finding how far an image has moved a very small x distance

I am trying to process 200+ images (10 datasets, each set contains ~20 images) and see how much each image changes or moves compared to a starting position for a dataset. The problem is, I expect a ...
atomic-muclei's user avatar
1 vote
2 answers
156 views

How to do edge detection in Mathematica?

I have some pictures of water level and I want to do edge detection, I used the following command, but this command is vertical edge detection and I want horizontal edge detection and water level. ...
Erfan's user avatar
  • 169
0 votes
1 answer
99 views

How to take a satellite image in Mathematica at different times?

I want to see the satellite image of the same area at different times. But by entering the following code, also shows the same picture with changing times. ...
Erfan's user avatar
  • 169
1 vote
1 answer
63 views

ImageResize change image pixel value range

I have a weird image in my notebook. If I do ImageResize to it. The pixel values of this image is changed. Sorry, I can not share this image directly. As you can ...
matheorem's user avatar
  • 17.2k
3 votes
1 answer
107 views

Rotate components on image around a fixed point

I have an binarized image and a center ...
matheorem's user avatar
  • 17.2k
3 votes
1 answer
104 views

minimal enclosing k-gon of binarized image

Similar to my previous post. I have a binarized image with 4 disk-like dots. I want to find a minimum quadrilateral enclosing 4 dots as below and extract the coordinates of 4 corners(yellow points) ...
matheorem's user avatar
  • 17.2k
1 vote
0 answers
72 views

efficient way of generating convex hull of binarized image

I have a binarized image with 4 disk-like dots. I want to find the convex hull of these 4 dots. The conventional method using MorphologicalComponents ...
matheorem's user avatar
  • 17.2k
1 vote
1 answer
118 views

Convert .gif to HTML and keep animation [closed]

I want to convert any .gif in HTML on Mathematica and keep the animation of the gif. For this I use this function: ...
DuK's user avatar
  • 111
2 votes
1 answer
263 views

Moving disk over a underlying image

I want to make the following animation. The basis is a image, for example Lena's photo. I will place a new layer over this image. This layer has a color, for example black. In this layer there is a ...
Michiel van Mens's user avatar
0 votes
0 answers
40 views

How to draw a graph based on a known function?

Knowing the following code, how to draw a result similar to the following picture? ...
gufe's user avatar
  • 65
1 vote
0 answers
54 views

Cannot use perimetric complexity function in Mathematica

I am very new to Mathematica, so I'm having difficulties troubleshooting the code that I am trying to resolve (I'm much more familiar with R, but sadly I haven't found a package to do this). In any ...
Shawn Hemelstrand's user avatar
0 votes
1 answer
79 views

Measure dimension of an expression without Rasterize [duplicate]

Is there a method to measure (in pixel) width and height of an expression without making it to an Image ? I found a method for measuring width and height of an ...
imida k's user avatar
  • 4,295
3 votes
1 answer
112 views

Evaluating a questionnaire from image

I want to evaluate a questionnaire made at school. The survey is made on paper and I will scan it. So I have an image with all the questions (44 questions). What I am looking for is which number was ...
Eisbär's user avatar
  • 1,476
1 vote
1 answer
85 views

Overlay two cells without changing size

At present I am interested in overlaying cells without change of size. Cells may be graphic or not graphic. For example, it can be a complicated mathematical formula or grid. Also cells may be output ...
imida k's user avatar
  • 4,295
3 votes
0 answers
82 views

Speed up scrolling with images in notebook

I like to have images in between code and text cells. Whether they are pasted (in a default Input cell) or generated (in an Output cell), they slow down the front end considerably. When part of an ...
Adam's user avatar
  • 3,956
0 votes
0 answers
31 views

ListLinePlot over a plot image respecting the axes scale and coordinates

I have the following array of points: ...
romanovzky's user avatar
2 votes
1 answer
94 views

How to give a scale bar in microscopy image?

I have a Differential interference contrast microscopy (DIC) image img = Import["https://i.sstatic.net/hfEZx.png"] I have made some image adjustment ...
R.Saha's user avatar
  • 23
1 vote
0 answers
68 views

Calculating luminance in $\rm{cd/m^2}$

Let's say I have an image of the following transparent material through which light is passing, I want to calculate the luminance in units of $\rm{cd/m^2}$. What I did is ...
a019's user avatar
  • 867
5 votes
1 answer
85 views

Custom Graphics primitives can't work with parallel Rasterize

I tried to create Graphics primitives using the techniques in this, found problems with parallel rasterization ...
expression's user avatar
  • 5,652
0 votes
0 answers
55 views

How do I import an image from the Windows file system in Mathematica Online?

I have an image file named forest.jpg in the C:\Temp directory. I am running Windows Pro 11 Here's what I tried in a new notebook in Wolfram Mathematica Online image = Import["C:\Temp\forest.jpg&...
Sudip Chakraborty's user avatar
0 votes
1 answer
65 views

Tiff image height fft

I wanted to import .tiff image to Mathematica and then plot fft of z values (height) of the image i. e. values which are translated to color in the image. I know that total time to create picture was ...
Marianna Kalwat's user avatar
4 votes
1 answer
114 views

Notebook magnification - two independent values

It seems there are two independent, equally influential values those control mathematica notebook magnification. Just like volume bars in a certain media player(program) and volume bar in tray bar(...
imida k's user avatar
  • 4,295
2 votes
0 answers
95 views

Creating a size changing image in output cell

In the following video, there are Image 1 and Image 2. The image size of Image 1 changes ...
imida k's user avatar
  • 4,295
0 votes
0 answers
51 views

How could I draw a picture by connecting stars between them?

My idea is to try to make a program which would be able to trace a given picture in the sky, by simply connecting stars. Therefore, I have two questions. Is it possible to convert the product of an ...
Robin Raxel6's user avatar
1 vote
1 answer
94 views

How to get randomly arranged image in Mathematica?

I'm now thinking about randomly arrangement of the imported image. After importing 2 hand-written images, image1 and image2, I want to make each 5 copys and randomly arrange them in one graph, i.e. ...
rani's user avatar
  • 321
1 vote
2 answers
123 views

How to set the width of grid elements in cm?

As a 'painter', I use photos. To get a good projection of a photo on the canvas I use a grid. I draw this grid both on the canvas and on the photo. It is an easy way to get the proportions right that ...
Michiel van Mens's user avatar
2 votes
1 answer
92 views

How to obtain the ImageSize?

I want to obtain the ImageSize of an output in printer's points, which is the standard unit of measurement of ImagePadding, ImageMargins etc. For example I have a Plot ...
mathematica_guy's user avatar

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