View source: R/image_similarity.R
image_similarity | R Documentation |
Compute Image Similarity Metrics
image_similarity(image1, image2, image1_mask = NULL, image2_mask = NULL, ...)
image1 |
Object of class |
image2 |
Object of class |
image1_mask |
Mask for first image (optional) |
image2_mask |
Mask for second image (optional) |
... |
Additional arguments to pass to
|
A numeric value
Not all metrics are symmetric.
library(ANTsR)
library(extrantsr)
x = getANTsRData( 'r16' )
y = getANTsRData( 'r30' )
image_similarity(x,y, type="MeanSquares")
image_similarity(y,x, type="MeanSquares")
image_similarity(x,y, type="Correlation")
image_similarity(y,x, type="Correlation")
# NOT SYMMETRIC
image_similarity(x,y, type="MattesMutualInformation")
image_similarity(y,x, type="MattesMutualInformation")
# NOT SYMMETRIC
mutual_information(x, y)
mutual_information(y, x)
image_similarity(x,y, type="ANTSNeighborhoodCorrelation")
image_similarity(y,x, type="ANTSNeighborhoodCorrelation")
image_similarity(x,y, type="JointHistogramMutualInformation")
image_similarity(y,x, type="JointHistogramMutualInformation")
image_similarity(x,y, type="Demons")
image_similarity(y,x, type="Demons")
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