SpineUp
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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