All Questions
6
questions
0
votes
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Image analysis with MATLAB: transforming an image taken at an angle back to direct view
I have a series of photographs taken at an angle, like this:
What I would like to do is "straighten" these photographs into direct view:
The above examples are taken from this Photoshop ...
0
votes
1
answer
287
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Measuring objects in a photo taken by calibrated cameras, knowing the size of a reference object in the photo
I am writing a program that captures real time images from a scene by two calibrated cameras (so the internal parameters of the cameras are known to us). Using two view geometry, I can find the ...
2
votes
1
answer
458
views
How to arrange input as an object for Extrinsics() function of matlab?
I am trying to use extrinsics function of matlab to calculate the translation vector. As a requirement i want to give the input camera parameters. i.e. Camera matrix, distortion matrix. But when i ...
3
votes
3
answers
3k
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Error in calculating perspective transform for opencv in Matlab
I am trying to recode feature matching and homography using mexopencv .Mexopencv ports OpenCV vision toolbox into Matlab .
My code in Matlab using OpenCV toolbox:
function hello
close all;clear ...
0
votes
1
answer
612
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expected point is not right in epipolar geometry
I have 2 cameras (camera 2 is translating respect camera 1) with their projection matrix P1 and P2. They took an image, I1 (camera 1) and I2 (camera 2) 512x512.
P1 =
-510.0686 -12.9401 -259.3765 -...
5
votes
2
answers
2k
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Different fundamental matrix from the same projection matrices
I use two projection matrices P1 and P2 (for example I'm using dinosaur dataset) and I need to compute the fundamental matrix F.
So I use two Matlab functions:
Peter Kovesi's function: www.csse.uwa....