DICOM PS3.4 2017e - Service Class Specifications

N.2.4.3 Blending Operation
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#### N.2.4.3 Blending Operation

The inputs to the blending operation are grayscale values from 0.0 to 1.0 from the underlying image (Yu) and RGB values from 0.0 to 1.0 from the superimposed image (RGBs), and an opacity value from 0.0 to 1.0 (A).

The output is a single image containing RGB values (RGBo) blended as:

Ro = Rs * A + Yu * (1-A)

Go = Gs * A + Yu * (1-A)

Bo = Bs * A + Yu * (1-A)

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N.2.4.2 Superimposed Image Pixels | Home | N.2.4.4 Conversion to Profile Connection Space

DICOM PS3.4 2017e - Service Class Specifications