PixelShuffle(r::Int)

Pixel shuffling layer with upscale factor r. Usually used for generating higher resolution images while upscaling them.

See NNlib.pixel_shuffle .

Examples

			julia> p = PixelShuffle(2);

julia> xs = [2row + col + channel/10 for row in 1:2, col in 1:2, channel in 1:4, n in 1:1]
2×2×4×1 Array{Float64, 4}:
[:, :, 1, 1] =
 3.1  4.1
 5.1  6.1

[:, :, 2, 1] =
 3.2  4.2
 5.2  6.2

[:, :, 3, 1] =
 3.3  4.3
 5.3  6.3

[:, :, 4, 1] =
 3.4  4.4
 5.4  6.4

julia> p(xs)
4×4×1×1 Array{Float64, 4}:
[:, :, 1, 1] =
 3.1  3.3  4.1  4.3
 3.2  3.4  4.2  4.4
 5.1  5.3  6.1  6.3
 5.2  5.4  6.2  6.4

julia> xs = [3row + col + channel/10 for row in 1:2, col in 1:3, channel in 1:4, n in 1:1]
2×3×4×1 Array{Float64, 4}:
[:, :, 1, 1] =
 4.1  5.1  6.1
 7.1  8.1  9.1

[:, :, 2, 1] =
 4.2  5.2  6.2
 7.2  8.2  9.2

[:, :, 3, 1] =
 4.3  5.3  6.3
 7.3  8.3  9.3

[:, :, 4, 1] =
 4.4  5.4  6.4
 7.4  8.4  9.4

julia> p(xs)
4×6×1×1 Array{Float64, 4}:
[:, :, 1, 1] =
 4.1  4.3  5.1  5.3  6.1  6.3
 4.2  4.4  5.2  5.4  6.2  6.4
 7.1  7.3  8.1  8.3  9.1  9.3
 7.2  7.4  8.2  8.4  9.2  9.4