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Hot Linked Questions - Mathematica Stack Exchange
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11 questions linked to/from QR Code in shopping cart handle
606
votes
19
answers
160k
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Where can I find examples of good Mathematica programming practice?
I consider myself a pretty good Mathematica programmer, but I'm always looking out for ways to either improve my way of doing things in Mathematica, or to see if there's something nifty that I haven't ...
Community wiki
104
votes
4
answers
13k
views
How to peel the labels from marmalade jars using Mathematica?
How can I detect and peel the label from the jar below (POV, cylinder radius, jar contents are all unknown)
to get something like this, which is the original label before it was stuck on the jar?
91
votes
3
answers
6k
views
Extract values for ViewMatrix from a Graphics3D
Under More Information in the help page of ViewMatrix the following entry can be found
With the setting ViewMatrix->Automatic...
12
votes
4
answers
2k
views
Applying an ArrayPlot as a texture to the surface of a cylinder
I would like to apply a matrix plot to the surface of a 3D cylinder. The matrix plot is the output from a custom cellular-automata, and it would be nice to see the lefthand side of the plot connected ...
- 123
17
votes
2
answers
1k
views
Can Mathematica be used to make anamorphic distortions like these?
We have all see these sidewalk and street images that appear to be 3D based on the viewers perspective, but then wildly distort when viewed from a different perspective.
Seems to me anamorphic ...
19
votes
1
answer
3k
views
How to map an image to get an illusion of 3D
I would like to distort or map a given JPEG so that it looks 3D when viewed from certain angle, as in this YouTube video. The most interesting part of the video:
I usually use conformal mapping (a ...
0
votes
1
answer
994
views
What kind of algorithm can be used to map image coordinates to cylinder coordinates
I plan to flatten an images on curved surface(eg: jar or door knob) and I found a pretty good post which helps me a lot :)(link below). However, I still confuse on how to map image coordinate to ...
6
votes
0
answers
409
views
Anamorphic projection onto the corner of a room
I want to use a router to carve anamorphic projections of polyhedron wireframes onto two adjacent walls of my office. Like this:
In order to do this I need to transfer the positions of the vertices ...
4
votes
0
answers
223
views
Mapping Images in Parisian metro stations
One particular aspect of some Parisian metro stations is that stations' walls are curved, even in the sides where one would place advertising posters. Here is a picture of one such station:
I was told ...
- 3,362
0
votes
0
answers
266
views
Removing Perspective Distortion [duplicate]
Below is my input:
I would like to remove perspective distortion from the image.
Expected output below:
3
votes
0
answers
181
views
Challenge: Calulating The Resulting 2D Image Behind A Lens [closed]
This is a tough question!
I would like to calculate how an image (a real 2D photograph) looks if I place a lens at a certain distance d1 from it and I observe it at a certain distance d2.
It is ...
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