Questions tagged [image-processing]
Questions on the image processing capabilities implemented in Mathematica.
1,691 questions
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Extracting analemma from series of sunset photos
This is a recreational question. I would value better approaches.
Aim
I found the following image on substack.
I wondered whether it would be possible to show the analemma from these images.
I don't ...
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How to extract points from multicurve image? [duplicate]
I have this three curves in one fig. Is it possible to extract points {xi,yi} for each curve?
- 5,752
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How to reproduce the Fourier-Mellin method
The Fourier-Mellin method described in this paper can detect rotation and scaling in images. Just recently, I noticed that OpenCVLink's SpatialOps`CVLogPolar and <...
- 28k
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Counting steps on a staircase
This is a recreational question. At my workplace within the same stairwell there are different steps numbers per floor on certain floors.
I have tried to automate counting the steps by binarising the ...
- 69.3k
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Application of ColorFunction to rasterized image data changes resolution of the final image
I have a square array with brightness data (Gaussian for this example). I convert it into a grayscale image with Image[]. But I would like to add color via ...
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Recovering plots (datasets) from a PDF
I have the following PDF:
The image contains four datasets: a solid curve, a dashed curve, big dots with error bars, and small dots with error bars.
I need to reproduce these data from this image.
...
user106999
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Creating micro QR codes with Mathematica
I read in the "Summary of New Features" that the support of MicroQR codes has been added to the BarcodeRecognize function in recent versions of ...
- 347
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How to release memory from parallel kernels?
I'm doing image processing in parallel kernels:
(I'm sorry, but it is impossible to construct a MWE for this, so I am including this code to indicate what I am doing)
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Animate a part of the image with the Rubik's cube. How?
I have this image and would like to create an animated GIF with the head moving like it's completing a Rubik's Cube.
Here I leave you part of the code that I have.
Could you help me? Thank you.
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Options of ImageSegmentationComponents
In 2024 there was a nice update of image segmentation package with ImageSegmentationComponents expression:
It works nicely, but it seems not possible to provide ...
- 1,831
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3
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How can I speed up my curvature flow filter for Image3D?
Consider this example where we smooth a 2D image:
...
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How does one wrap an image around a circle?
I know about PolarPlot, and I've found a few questions here about wrapping text, but is there a way to do this with an image
similarly to how Photoshop's polar-...
- 780
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Mathematica camera resolution
For some reason, Mathematica captures images in much worse resolution than available.
One of camera properties listed in Mathematica is
...
- 133
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Calculating distance between objects in een Graphic image (printing Laser Cutter)
I am converting a drawing into a grid of black circles. I want to send this new drawing to a laser cutter. The laser cutter should cut out all the black circles. To get ...
- 2,855