using DitherPunk
using Images
using TestImages

Image Gallery

This gallery uses images from TestImages.jl.

function preprocess(img)
    img = Gray.(img)
    return imresize(img; ratio=1 / 2)
end

file_names = [
    "cameraman", "lake_gray", "house", "fabio_gray_512", "mandril_gray", "peppers_gray"
]
img = mosaic([preprocess(testimage(file)) for file in file_names]; ncol=3)

Threshold dithering

ConstantThreshold

dither(img, ConstantThreshold())

WhiteNoiseThreshold

dither(img, WhiteNoiseThreshold())

Ordered dithering

Bayer matrices

Level 1

dither(img, Bayer())

Level 2

dither(img, Bayer(2))

Level 3

dither(img, Bayer(3))

Level 4

dither(img, Bayer(4))

ClusteredDots

dither(img, ClusteredDots())

CentralWhitePoint

dither(img, CentralWhitePoint())

BalancedCenteredPoint

dither(img, BalancedCenteredPoint())

Rhombus

dither(img, Rhombus())

ImageMagick methods

dither(img, IM_checks())

dither(img, IM_h4x4a())

dither(img, IM_h6x6a())

dither(img, IM_h8x8a())

dither(img, IM_h4x4o())

dither(img, IM_h6x6o())

dither(img, IM_h8x8o())

dither(img, IM_c5x5())

dither(img, IM_c6x6())

dither(img, IM_c7x7())

Error diffusion

SimpleErrorDiffusion

dither(img, SimpleErrorDiffusion())

FloydSteinberg

dither(img, FloydSteinberg())

JarvisJudice

dither(img, JarvisJudice())

Stucki

dither(img, Stucki())

Burkes

dither(img, Burkes())

Sierra

dither(img, Sierra())

TwoRowSierra

dither(img, TwoRowSierra())

SierraLite

dither(img, SierraLite())

Fan93()

dither(img, Fan93())

ShiauFan()

dither(img, ShiauFan())

ShiauFan2()

dither(img, ShiauFan2())

Atkinson()

dither(img, Atkinson())

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