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Another update from ingydotnet^djgoku

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Ingy döt Net 2015-11-18 06:14:39 +00:00
parent 91df62d461
commit 948b86eafa
7604 changed files with 108452 additions and 22726 deletions
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Task/Image-convolution/J/image-convolution-1.j Normal file
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NB. pad the edges of an array with border pixels
NB. (increasing the first two dimensions by 1 less than the kernel size)
pad=: adverb define
'a b'=. (<. ,. >.) 0.5 0.5 p. $m
a"_`(0 , ] - 1:)`(# 1:)}~&# # b"_`(0 , ] - 1:)`(# 1:)}~&(1 { $) #"1 ]
)
kernel_filter=: adverb define
($m)+/ .*&(,m)&(,/);._3 m pad
)