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

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1
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1answer
40 views

Getting raw data using DcRaw

I'm using dcraw program to import raw image data to Mathematica. When I use Run["dcraw -4 -D -T "image.nef"] (which converts it to an unprocessed linear TIFF file) ...
11
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0answers
130 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 ...
10
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0answers
184 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
167 views

How to recreate a certain word cloud

This is my current method: ...
7
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0answers
149 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 ...
6
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0answers
73 views

How to preview a list of images by sliding the mouse?

I'm trying to dynamically scrub over a list of images like in iphoto. Unfortunately, when the mouse moves from one side to the other, it's skipping frames which is confusing: When the mouse runs ...
6
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0answers
188 views

How to determine foci colocalization in a microscopy RGB image

I have a series of microscopy RGB images of the cell nucleus like this one The red and green dots are clusters of different proteins and I would like to determine when these dots colocalize. ...
5
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0answers
119 views

Transparent bitmaps in controllers. Problem with initial appearance

Bug introduced in V9.0 or earlier and persisting through 10.4.0 I have a problem with images with alpha channel which I want to use as labels on Button etc. ...
4
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0answers
499 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
166 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
197 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
462 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
41 views

Overlay Inside a Grid/Column/Row Not Working

Here is a microscopy image of some cells I want to make measurements on with Mathematica: In order to make some measurements of cells in a microscopy image I have written a simple dynamic overlay ...
3
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0answers
66 views

How can I import from a usb webcam on the raspberry pi?

I'm trying to set up a raspberry pi as a webcam server and I need to import images into a mathematica notebook on the raspberry pi. I tried using CurrentImage[] just to test it but I got an error just ...
3
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0answers
265 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 ...
3
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0answers
87 views

Georeferenced bitmaps

The command Export["filename.jpg", graphic] will export the graphic object graphic to the file ...
3
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0answers
269 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
40 views

Exporting or save graph to pdf, when will the rasterization occur?

For simple graph Plot[Sin[x], {x, 0, 10}] No matter right click save as pdf or export as pdf, the result is vector image. But for ...
2
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0answers
90 views

Confocal Microscopy

Is it possible to direcly import Nikon ND2 files (e.g Confocal microscope 2D or 3D stacks files)? Otherwise how can we import TIFFs of 3D stack and process it as a single "entity" so to speak? ...
2
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0answers
102 views

Identify and measure single bubble radius in series of images (TIFF)

I aim to make use of Mathematica's image processing capabilities to measure the radius of bubbles in consecutive images taken with a high-speed camera. After searching through this website I have ...
2
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0answers
134 views

How to get the SIFT features of an image?

According to the documentation, the function KeyPoints[] computes features only using SURF, but what about SIFT or FAST features?
2
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0answers
93 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
324 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
119 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
26 views

embeding an image in a cdf deployment

I would like to embed an image into CDF. Import function just import the function from a pathway but I would like the image to be present in the CDF or nb file as a part of it not importing. ...
1
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0answers
48 views

2D image rotation about 3D vector and projection

I'm trying to rotate a 2D image such that the viewing angle is not along the normal to the 2D plane, but along some other vector. I tried various things such as: ...
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0answers
54 views

How to call python code on an image

I have lots of image processing code written in python and would like to call it from within mathematica. Is there a way to transmit the image data directly like with c++ and LibraryLink? I'd rather ...
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0answers
29 views

Function with many lines that takes image as parameter not returning same result as if I run the same lines of code

Running the exact same lines of code in a function produces just a return of the original image without any points identified, whereas when I run the exact body of the function line by line it works ...
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0answers
56 views

ImageAssemble and Export gif takes too much memory

Errr.... First Let's create some gifs: ...
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0answers
384 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 ...
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0answers
104 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
74 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 ...
1
vote
0answers
269 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 ...
0
votes
0answers
35 views

How to select very small components in an image

I have been trying to identify the centroids or positions of the small yellow dots (not the large regions) in the image below. I have adopted the following strategy (please see the code), however, i ...
0
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0answers
198 views

Decompose Point-Spread Function into Seidel Aberration/Zernike Polynomials

I have measured the point spread function (PSF of a microscope) and I want to quantify it. For that purpose I want to fit my PSF data to the primary Seidel optical aberrations (or Zernike Polynomials, ...