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magnitude in images

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munch kitty
munch kitty el 27 de Feb. de 2012
i just calculate the magnitude from the abs value of images.but it returns the large matrix having abs values value.but i want the one magnitude value for the whole images?. i used max function.is it correct?
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munch kitty
munch kitty el 28 de Feb. de 2012
color images sir.no formulas sir.simply we calculate abs for given image sir.how to get a single mag for a whole image?
Walter Roberson
Walter Roberson el 28 de Feb. de 2012
Based upon the information you have provided, the required outcome is undefined, so you might as well use _any_ magnitude between the minimum and maximum value.

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Respuestas (2)

Walter Roberson
Walter Roberson el 27 de Feb. de 2012
There are multiple ways of defining the "magnitude from the abs value of images", and using max() is one of the ways. It does not appear to be a common way, but whether it is right or wrong depends upon your needs.

Rajesh Kumar
Rajesh Kumar el 27 de Feb. de 2012
lets say A is an 2dim matrix.. max(A) gives a row matrix with elements as maximums in each column.
>> A= [1 3 5;2 6 7;9 7 2]
then, max(A)=[9 7 7]
and then max(max(A))=9
  1 comentario
munch kitty
munch kitty el 28 de Feb. de 2012
i know this. i jst ask whether its correct or not for magnitude calculation us my question?

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