antsrMetricGetValue.Rd
get current value of metric
antsrMetricGetValue(metric)
image similarity value
x <- antsImageRead(getANTsRData("r16"))
y <- antsImageRead(getANTsRData("r30"))
metric <- antsrMetricCreate(x, y, type = "MeanSquares")
metricValue <- antsrMetricGetValue(metric)