Xerox 6180N Color Management Guide v3.7 - Page 41

Interpolation methods, Nearest Neighbor Interpolation, Bi-Linear Interpolation

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Using color tools Figure 4-7. Interpolation methods The interpolation methods that may be selected include: Nearest Neighbor Interpolation: A method used to scale image data (pixels) from one resolution to another. The output pixel value is simply the value of the input pixel closest to the output location. Nearest neighbor interpolation is the highest speed interpolation on the DocuSP controller. Bi-Linear Interpolation: A method used to scale image data (pixels) from one resolution to another. The replacement pixel in the scaled image is calculated using a weighted sum of the four nearest pixel values in the source image. This method offers higher quality than Nearest Neighbor Interpolation. Smart Interpolation: A method used to scale image data (pixels) from one resolution to another. This interpolation method automatically chooses between bi-linear interpolation and filtered interpolation based on the input image characteristics. Smart interpolation is the highest quality interpolation available on DocuSP. Color Management Guide 4-7

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Using color tools
Color Management Guide
4-7
Figure 4-7. Interpolation methods
The interpolation methods that may be selected include:
Nearest Neighbor Interpolation:
A method used to
scale image data (pixels) from one resolution to
another. The output pixel value is simply the value of
the input pixel closest to the output location. Nearest
neighbor interpolation is the highest speed
interpolation on the DocuSP controller.
Bi-Linear Interpolation
: A method used to scale
image data (pixels) from one resolution to another.
The replacement pixel in the scaled image is
calculated using a weighted sum of the four nearest
pixel values in the source image. This method offers
higher quality than Nearest Neighbor Interpolation.
Smart Interpolation:
A method used to scale image
data (pixels) from one resolution to another. This
interpolation method automatically chooses between
bi-linear interpolation and filtered interpolation based
on the input image characteristics. Smart interpolation
is the highest quality interpolation available on
DocuSP.