MATLAB DATABASE TOOLBOX RELEASE NOTES Betriebsanweisung Seite 222

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18 Image Processing Toolbox 3.1 Release Notes
18-6
Integer Image Arithmetic
The Image Processing Toolbox 3.1 includes new functions for performing
arithmetic on image arrays without converting them to double-precision. In
addition to the basic operations (add, subtract, multiply, and divide), there are
several key functions (absolute difference, linear combination, and
complementation) that cannot readily be implemented in terms of the basic
operations.
cpstruct2pairs
Convert CPSTRUCT to valid pairs of control points
normxcorr2
Normalized two-dimensional cross-correlation
Function Description
imabsdiff
Absolute difference of two images
imadd
Add two images, or add constant to image
imcomplement
Complement image
imdivide
Divide two images, or divide image by constant
imlincomb
Linear combination of images
immultiply
Multiply two images, or multiply image by constant
imsubtract
Subtract two images, or subtract constant from
image
Function Description
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