BORDER_TRANSPARENT not available in blur()

berak · May 3, 2021, 1:13pm

you’re right, BORDER_TRANSPARENT is not supported,
and the docs should be updated

opencv/opencv/blob/d5fd2f0155ffad366f9ac912dfd6d189a7a6a98e/modules/core/src/copy.cpp#L1158-L1166


/*
 Various border types, image boundaries are denoted with '|'


 * BORDER_REPLICATE:     aaaaaa|abcdefgh|hhhhhhh
 * BORDER_REFLECT:       fedcba|abcdefgh|hgfedcb
 * BORDER_REFLECT_101:   gfedcb|abcdefgh|gfedcba
 * BORDER_WRAP:          cdefgh|abcdefgh|abcdefg
 * BORDER_CONSTANT:      iiiiii|abcdefgh|iiiiiii  with some specified 'i'
 */

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BORDER_TRANSPARENT not available in blur()

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