# Tag Info

Accepted

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

In your code you use constant strength: (r/strength). You can change it to depend on r: ...
• 19.7k
Accepted

### Moving disk over a underlying image

I think the cleanest solution is to use HighlightImage which also has interactive example in the documentation that might be useful to you. ...
• 27.4k

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

Basically the idea is to draw in vector form, then exploit FrontEnd's ability to Rasterize the result. First we make the base primitive corresponding to a "...
• 27.6k

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

You use MapThread with a CompiledFunction. But CompiledFunctions have their own threading ...

### How to import many Images in Mathematica?

Either removing the "Data" format argument or using "JPEG" instead should do it. Here is a short example based on the original code. ...
• 4,961

### Help with a simple figure for a poster

Something like: ...
• 53.2k

### Convert black and white pictures into color images

Note I did not write any of this code, netevaluation is taken directly from the Examples -> Evaluation Function of the "ColorNet Image Colorization Trained ...
• 4,187

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

The 3D Case takes just a few seconds using OpenCL. It was a real pain getting OpenCLLink to work. I also improved the alpha blending. ...
• 25.6k
Accepted

### How do I export an entire notebook as an image?

Edit, I found out how to do it, but it is not rendering the notebook style correctly for some reason :( ...
• 1,078

### Gray level shading of image histogram bins

B = RandomImage[1, {200, 200}]; ImageHistogram[B, ColorFunctionScaling -> False, ColorFunction -> GrayLevel] With your image we have to scale the vertical ...
• 48.5k

### Crop images with two borders

Since there are some letters on the right down corner,the crop seems not so perfect. ...
• 77.2k
Accepted

### Finding centers and radii of multiple circles in a dense image

If your images have circles with distinct colors, as is the case for your example image, you can extract them by color and then find their centers as the locations at maximum distances from the ...
• 2,095
Accepted

### Rotate components on image around a fixed point

Well, this may be easy to overlook, but it's actually mentioned in Details and Options section of document of ImageTransformation: In 2D, the range of the ...
• 67k
Accepted

### minimal enclosing k-gon of binarized image

Unfortuantely RegionMember and RegionWithin don't evaluate for such a complex question. In my answer I'll show how to find a ...
• 54.6k

### Evaluating a questionnaire from image

First I start by identifying the vertical position of each question number. You can see that the answer boxes on the right for each question line up nicely with the bulleted question number on the ...
• 4,187

It starts with a curve by ParametricPlot, a RegionPlot and a Graphics list of objects bound together in a Show statemenent, e.g. ...
• 3,887

### Gray level shading of image histogram bins

Do it yourself using a bar chart: ...
• 25.6k
Accepted

• 55.7k
Accepted

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

Trying to reproduce the Elekronischer Einstein using ImageSaliencyFilter suggested by ydd for the background, together with ...
• 4,961
Accepted

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• 4,548

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

From the answer to my other questions (by kglr), I produced the following answer. ...
• 6,233

### How do I export an entire notebook as an image?

This is easy to do on Linux. For windows or mac, you might have to use online tool. There are many of them if you google. I just tried it this on one large notebook I have. open the notebook and save ...
• 146k

### How to calculate the depth of the lake in mathematica?

We can use a combination of GeoNearest and Entity: I use the center of your map: ...
• 36.4k
Accepted

### ImageResize change image pixel value range

Compare Information[img] and Information[Import["D:\\1.png"]]. You will see that the data type of original image is <...
• 27.4k
Accepted

### How can I remove the background from a bokeh photo?

img = Import["https://i.sstatic.net/SMAtq.jpg"] Adding as an answer, here are two methods to remove the blurry background. There are likely several more ...
• 4,187

### Help with a simple figure for a poster

You could also import an image of this: ...
• 4,565

### Convert .gif to HTML and keep animation

It seems when you export AnimatedImage or a list of frames to HTML, Mathematica give you a notebook interface that does not ...
• 9,319

### How to create a checkerboard pattern?

ParametricPlot with MeshShading -> {{None, Black}, {Black, None}}. ...
• 77.2k