Image Calculator...

This is an example of how it works Image Calculator function in ImageJ or Fiji. (Process → Image Calculator...)

 

These are the original images:

 

Image A

Image B


Add

A(u,v)  A(u,v) + B(u,v)

Multiply

A(u,v) A(u,v)*B(u,v)

AND

A(u,v) A(u,v) ˄B(u,v)

 

Bitwise AND operation.

XOR

A(u,v)A(u,v) XOR B(u,v)

 

Bitwise exclusive OR (XOR) operation.

max

A(u,v)max(A(u,v),B(u,v))

difference

A(u,v)ǀ A(u,v) – B(u,v) ǀ

Subtract

A(u,v) A(u,v) – B(u,v)

Divide

A(u,v) A(u,v)/B(u,v)

OR

A(u,v) A(u,v)˅B(u,v)

 

Bitwise OR operation.

min

A(u,v)min(A(u,v),B(u,v))

average

A(u,v) (A(u,v)+B(u,v))/2


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