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MM - Mask Multiplication

(9/19/94)

PURPOSE

Mask an image or a volume according to a mask reference file. This operation will retain image values from the original image wherever the corresponding location in the reference image is >= 0.5. If the corresponding location in the reference image is < 0.5 the image value will be replaced with a background value.

SEE ALSO

MM C [Mask multiplication - continuous]
MA [Mask]

USAGE

.OPERATION: MM

.MASK REFERENCE FILE: MAS001
[Enter mask reference file containing values >= 0.5 where INPUT2 file is to be passed, and < 0.5 where elements in input are to be replaced by a background value.]

.IMAGE (OVERWITTEN!): IMA001
[Enter name of image or volume file to be masked. This image or volume file will be overwritten by the masked output image.]

.ENTER BACKGROUND: 0.8
[Enter value of background to be used in masking.]

SUBROUTINES

MASKMU

CALLER

UTIL2

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