Image MathThe Image Math module provides you with a way to perform arithmetic operations on a combination of two images.
1. Select the appropriate Image #1 and Image #2 on which to perform the function.
2. Select the appropriate function used to combine the two images.
|Add||Image #1 + Image #2|
|Subtract||Image #1 - Image #2|
|Multiply||Image #1 * Image #2|
|And||Image #1 & Image #2 (binary AND)|
|Or||Image #1 | Image #2 (binary OR)|
|XOr||Image #1 ^ Image #2 (binary XOR)|
|Maximum||if Image #1 > Image #2 then result = Image #1 else result = Image #2|
|Minimum||if Image #1 < Image #2 then result = Image #1 else result = Image #2|
|Difference||| Image #1 - Image #2 | (Absolute value of subtraction)|
|Divide||Image #1 / Image #2|
|Replace #1||If Image #2 then Image #1 else 0|
|Replace #2||If Image #2 then Image #1 else 255|
3. Select the appropriate channel to perform the function on.
All channels - Performs the operation on each RGB channel
Red, Green, Blue - Performs the operation only on the selected channel. The result is placed in the selected Image #2 channel.
4. Select the appropriate divisor and bias.
Divisor - divides the function's result by the specified amount.
Bias - added to the function's result.
|Source Image #1||Source Image #2|
Image #1 added to Image #2
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