Bilinear interpolation: Difference between revisions
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SqrtNegInf (talk | contribs) (Added Perl example) |
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=={{header|Julia}}== |
=={{header|Julia}}== |
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{{works with|Julia|0.6}} |
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<lang julia>using Images, FileIO, Interpolations |
<lang julia>using Images, FileIO, Interpolations |
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function enlarge(A::Matrix, factor::AbstractFloat) |
function enlarge(A::Matrix, factor::AbstractFloat) |
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lx, ly = size(A) |
lx, ly = size(A) |
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nx, ny = round.(Int, factor .* (lx, ly)) |
nx, ny = round.(Int, factor .* (lx, ly)) |
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vx, vy = |
vx, vy = LinRange(1, lx, nx), LinRange(1, ly, ny) |
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itp = interpolate(A, BSpline(Linear() |
itp = interpolate(A, BSpline(Linear())) |
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return itp |
return itp(vx, vy) |
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end |
end |
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A = load("data/lenna100.jpg") |> Matrix{RGB{Float64}}; |
A = load("data/lenna100.jpg") |> Matrix{RGB{Float64}}; |
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Alarge = enlarge(A, 1.6); |
Alarge = enlarge(A, 1.6); |
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save("data/lennaenlarged.jpg", Alarge) |
save("data/lennaenlarged.jpg", Alarge) |
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=={{header|Kotlin}}== |
=={{header|Kotlin}}== |
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