Tracking and detecting of colors
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Hi all! I would like you to clarify me on these questions plz
If I calibrate my camera to a particular resolution say 640x360, can I use it for another resolution like 1024x768?
Also I want to know as to how many centimeters does 1 pixel contain in my image. It varies from system to system., How do I find that?. Also, it is not definitely square. SoI hsve to find the length and width of it.
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Image Analyst
2014 年 6 月 16 日
See my spatial calibration demo, attached.
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Image Analyst
2014 年 6 月 17 日
You have to measure something you know, such as a ruler.
If you change the resolution and the field of view stays the same then obviously you can't use the same spatial calibration and will need a new one that properly takes into account the different number of pixels spanning your real world field of view.
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