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

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1
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1answer
103 views

Exporting File Outside Home Directory

When running Mathematica (v10) on my Raspberry Pi, I'd like to output an image file to a directory other than /home/pi. I understand that letting Mathematica write ...
8
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0answers
104 views

Efficient image stacking

I have a list of lists of images that I would like to stack and create mean images for each list of images. Images are .jpg files 2592x1944 pixels large. Each list ...
7
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0answers
101 views

Is Mathematica 10 color managed?

With ColorProfileData[] Mathematica 10 can handle device-dependent color spaces. However, images with embedded color profiles, e.g. sRGB, are rendered and displayed ...
5
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0answers
111 views

Incorporating photos into a Mathematica-made web page

I use Mathematica to make my web page. I make various .nb files, usually with photos, and then use an Export command to convert the .nb file to an .html file with ...
4
votes
0answers
96 views

Rendering a 3D volume with Image3D

I have 2D JPEG images, of 1024 x 1024 pixels, corresponding to a 500 x 500 square micron section. These images are taken from slices of tissue, each slice seperated by 10 microns. I've been trying to ...
4
votes
0answers
92 views

How to determine foci colocalization in a microscopy RGB image

First of all thanks to everyone for the amazing amount of info and help provided here, I'm quite new to Mathematica so probably this is a very simple question but I'm not sure how to proceed. I have ...
4
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0answers
338 views

Masked Image Registration/Alignment/Correlation

I'm trying to register (align) two circular grayscale images using a boolean mask to prevent them simply being aligned on the fixed circular border. There are also small fixed circular regions in the ...
4
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0answers
121 views

Problem importing individual frames from QuickTime file

I am having difficulties with a code I am trying to run. Essentially I want to Read in a large .mov video file (60000+frames). ...
4
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0answers
173 views

Single image import from stack via FTP connection

Background I would like to create a CDF document that is embedded on a webpage. The CDF will contain some image display ...
4
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0answers
337 views

How can I create jpeg images of a given file size?

Cross-posted at Wolfram Community I would like to have a function makeJPG[megabytes_] that generates random jpg images of given file sizes with itf filesize (in megabytes) watermarked on the image ...
3
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0answers
203 views

Method Shrinkwrap Messes up editting Graphics

If you try resizing or moving the Inset in the following interface, the Graphics becomes incredibly jerky and borderline ...
2
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0answers
69 views

Frame text is cropped while exporting as EPS

I have generated an eps file with using Export["filename.eps", figure, "eps"], but the text on the frame labels and tick numbers are cropped like this: Screenshot ...
2
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0answers
271 views

Understanding “IntensityData” coordinates

Update - Playing around a bit, is it true that we need to process the list of "IntensityData" values $r$ as follows: r = Partition[r,k]; r = Transpose@r; And ...
2
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0answers
110 views

“automated” image embedding app

Based on the following image attach procedure, can a Dynamic app be developed that: at start, only shows a small import button once clicked, opens a choose image ...
1
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0answers
142 views

Using 2D Fourier transform of an image to detect typical wavelengths

I am new to Mathematica, and I have read this post to understand how to perform Fourier transform on an image. My mission is to extract information on the typical distance between the black patches in ...
1
vote
0answers
75 views

passing values between widgets in GUIKit

I am writing a short GUIKit script with one TextField widget that takes the path of the image and a button widget which imports the image. The problem I have is ...
1
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0answers
100 views

Can not understand the code to plot Fourier Series approximation of the line

I'm reading the CDF file from Making Formulas… for Everything in wolframalpha blog. When I step into In[9] and In[10], I'm fully confused. Who can tell me what does the two functions mean? The ...
1
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0answers
155 views

Import displays DICOM images as black rectangles (Mma v. 10)

My problem concerns Mathematica version 10.0.1.0 with OS X 10.9.4, OS X 10.9.5 and it does not occur in Mathematica version 9.0.1.0 (on the same computer and OS). About 90% of my DICOM images are ...
1
vote
0answers
61 views

How can I modify the interval of the function Image[]?

I think the default interval is [0,1]. when I have all positives I find it easy to rescale but when I included negative values it doesn't give me the results that I expect. for example how can I ...
0
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0answers
47 views

Is it possible to import Matlab “.fig” files in Mathematica?

Is it possible to import a ".fig" file made in Matlab into Mathematica? If I try the usual Import[filename] it produces an error ...
0
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0answers
39 views

“Enlarge” a plot for export

I wish to export a plot with more resolution than it starts with. Interactively, I can do this by enlarging the image, and then exporting. Is there a way to do this programmatically? I attempted to ...
0
votes
0answers
51 views

Automatic measurement of components in a picture

I have a tricky problem, with which I'm stuck just after a few steps. I have the following picture of a slice of the brain. I want to detect all the named structures and measure the area of those ...
0
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0answers
41 views

How to export a PNG with an alpha channel?

Is "RGBA" not a supported colorspace? Export["test.png", RandomImage[1, {100, 100}], ColorSpace -> "RGBA"]
0
votes
0answers
44 views

How can I run my API on an image?

I've built an API that takes a url of an image as an argument. Using Import[] I can easily call my API on any url and get the results... but I need to run it on an ...
0
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0answers
196 views

How can estimate the PSF function to deblur an image of plate licence of a car

I want to deblur a blurred image of a plate licence of a car. I need to deblured it. I have used the ImageDeconvolve[] function and Sharpen but the problem is still difficult because I need to ...
0
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0answers
193 views

Change size of a saved plot or image (post-processing)

I have many plots (that take a long time to run) and each is saved to a variable name. For simplicity, say one was: ...
0
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0answers
195 views

Behavior of copy and paste with different image formats

Ok, let's say I create a 1x1 pixel image. i = Image[{{0}}, "Byte"]; Now I Export["image.png", i] the image and import it into ...