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imager (version 0.45.8)

px.remove_outer: Remove all connected regions that touch image boundaries

Description

All pixels that belong to a connected region in contact with image boundaries are set to FALSE.

Usage

px.remove_outer(px)

Value

a pixset

Arguments

px

a pixset

Author

Simon Barthelme

Examples

Run this code
cimg.limit.openmp()
im <- draw_circle(imfill(100,100),c(0,50,100),c(50,50,50),radius=10,color=1)
plot(im)
as.pixset(im) %>% px.remove_outer %>% plot

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