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How to distort an "image"

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Emmanouil Karamousadakis
Emmanouil Karamousadakis 2021 年 9 月 29 日
Hello, I have a .tiff file, with thousands of frames with data from a thermal camera, I managed to get the frames with Tiff function and I can do most of the image processing. I can display the data with imagesc and see a very reasonable result on my screen.
What I am stuck with, is on how to remove a slight distortion. I would like to avoid taking pictures of checkerboard. The cameras are stationary and detect the temps of the bead of a 3d printer. As you can see the distortion is minimal, is there a way correct this manually?
I am willing to play with the manual settings of the estimateCameraParametres I cannot figure out the process. What makes it worse is that the imshow shows an empty white canvas (vs the imagesc, which shows the attached screenshot)
Any ideas on how to proceed? I cannot even read the .tiff file with imread/show to start experimenting :(

回答 (1 件)

Image Analyst
Image Analyst 2021 年 9 月 29 日
Not sure what you want to move where. But take a look at imwarp() and this link:
  5 件のコメント
Image Analyst
Image Analyst 2021 年 10 月 1 日
Not sure that's an answer. Why can't the other software take it as-is? You basicly said "it needs to be straight because it needs to be."
Did you try the link I sent you?
Emmanouil Karamousadakis
Emmanouil Karamousadakis 2021 年 10 月 1 日
It can't because I have to feed this data back to the 3d model of the object that is printed. And the model is.... orthogonal :) :) I am taking the temperature and trying to relate stress analysis results with the temperature I am printing. I hope that makes sense.
yes. Transformation looks like promising. I have to figure out a function that will do what I want.
I just found out the conformal mapping, I will play a bit with geometric transformations so see what I can figure out.
Thank you for your help!

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