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image calibration

f jimenez
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Joined: Mar 14, 2007
Posts: 30
does anyone in here tried image calibration?

google gives results but i need codes only like how this can be done...

help is needed in here...


if you can't be the sun, be a star...<br />もし たいように なれないたら ほしに なれ。
Ulf Dittmer
Rancher

Joined: Mar 22, 2005
Posts: 42954
    
  73
ImageJ can perform image calibration, so you may be able to lift some code from it.
f jimenez
Ranch Hand

Joined: Mar 14, 2007
Posts: 30
thanks Mr. bartender...
f jimenez
Ranch Hand

Joined: Mar 14, 2007
Posts: 30
mr Bartender or anyone out there...

i have seen ij now but i still have no idea as to how it works: calibration works to be exact.

what does calibration mean by the way?

i thought calibration just means increasing the dots per inch or per cm but it doesnt seem that way in ij...

help is badly needed...

thanks a lot.
Ulf Dittmer
Rancher

Joined: Mar 22, 2005
Posts: 42954
    
  73
If you're curious how it works in IJ, post a question on the image-j mailing list, or have a look at its source code.
f jimenez
Ranch Hand

Joined: Mar 14, 2007
Posts: 30
thnaks ulf.

you really are a great help.

without you, no one will bother to answer me in here...

thanks a lot.
Ulf Dittmer
Rancher

Joined: Mar 22, 2005
Posts: 42954
    
  73
You're welcome. Image calibration is a bit obscure a topic, even more so in the Java world, so there may be nobody here who has done it (neither have I, actually ).
 
It is sorta covered in the JavaRanch Style Guide.
 
subject: image calibration