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Magick canny edge detector
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| library(magrittr) | |
| library(magick) | |
| image_read("logo:") %>% | |
| image_convert('png', colorspace = 'gray') %>% | |
| image_edge(radius = 1) %>% | |
| image_negate() %>% | |
| image_transparent('white', 10000) %>% | |
| image_background("white") %>% | |
| image_browse() | |
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