All Questions
Tagged with computer-vision camera
21
questions
0
votes
1
answer
230
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Machine Vision - Infinity Focus effect
I am working on a research project that involves machine vision. The camera we are using implements infinite focus - I have been informed that this can affect the accuracy of computer vision ...
- 115
0
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1
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229
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How to Linearise an Input Image before applying Color Correction?
I'm doing color correction on Raw images taken from Camera directly. I want to make my Camera reproduce same colors as my Target camera.
Here are the steps I'm following:
Take Target Color values ...
- 198
2
votes
3
answers
346
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Can you average out focal length from different camera calibration sessions?
If I perform a number of camera calibration routines at a fixed resolution, with various sizes of calibration patterns (like checkerboards), at various distances and get various values for focal ...
- 91
29
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2
answers
33k
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How does resizing an image affect the intrinsic camera matrix?
I have a camera matrix (I know both intrinsic and extrinsic parameters) known for image of size HxW. (I use this matrix for some calculations I need).
I want to use a smaller image, say: $\frac{H}{2}\...
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10
votes
3
answers
3k
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Camera calibration/pin hole camera model and working out 3d position
I have a calibrated camera and have the intrinsic parameters. I also have the extrinsic parameters relative to a point (the world origin) on a planar surface in the real world. This point I have set ...
- 453
2
votes
1
answer
84
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Given some parameters, how do you determine how much of an image sensor an object will consume? [closed]
If I have the details of a scene and a camera, how can I tell how much of my camera's image sensor will be taken by a certain object in space?
For example, if I have a painting that is 1m by 1m, it ...
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