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  1. matoken (matoken@gnusocial.matoken.org)'s status on Tuesday, 02-Oct-2018 07:45:55 JST matoken matoken
    なるほどわからん

    $ wget https://solar.lowtechmagazine.com/dithers/sps_close.png
    $ identify ./sps_close.png
    $ identify -verbose ./sps_close.png
    ./sps_close.png PNG 800x533 800x533+0+0 8-bit sRGB 16c 43415B 0.000u 0:00.000
    Image: ./sps_close.png
    Format: PNG (Portable Network Graphics)
    Mime type: image/png
    Class: PseudoClass
    Geometry: 800x533+0+0
    Units: Undefined
    Colorspace: sRGB
    Type: Grayscale
    Base type: Undefined
    Endianess: Undefined
    Depth: 8-bit
    Channel depth:
    red: 8-bit
    green: 8-bit
    blue: 8-bit
    Channel statistics:
    Pixels: 426400
    Red:
    min: 25 (0.0980392)
    max: 250 (0.980392)
    mean: 188.277 (0.73834)
    standard deviation: 64.4151 (0.252608)
    kurtosis: -0.438785
    skewness: -0.844747
    entropy: 0.907696
    Green:
    min: 25 (0.0980392)
    max: 250 (0.980392)
    mean: 188.277 (0.73834)
    standard deviation: 64.4151 (0.252608)
    kurtosis: -0.438785
    skewness: -0.844747
    entropy: 0.907696
    Blue:
    min: 25 (0.0980392)
    max: 250 (0.980392)
    mean: 188.277 (0.73834)
    standard deviation: 64.4151 (0.252608)
    kurtosis: -0.438785
    skewness: -0.844747
    entropy: 0.907696
    Image statistics:
    Overall:
    min: 25 (0.0980392)
    max: 250 (0.980392)
    mean: 188.277 (0.73834)
    standard deviation: 64.4151 (0.252608)
    kurtosis: -0.438777
    skewness: -0.844749
    entropy: 0.907696
    Colors: 6
    Histogram:
    11896: ( 25, 25, 25) #191919 srgb(25,25,25)
    44611: ( 75, 75, 75) #4B4B4B srgb(75,75,75)
    58764: (125,125,125) #7D7D7D grey49
    78631: (175,175,175) #AFAFAF srgb(175,175,175)
    103699: (225,225,225) #E1E1E1 srgb(225,225,225)
    128799: (250,250,250) #FAFAFA grey98
    Colormap entries: 16
    Colormap:
    0: ( 25, 25, 25) #191919 srgb(25,25,25)
    1: ( 75, 75, 75) #4B4B4B srgb(75,75,75)
    2: (125,125,125) #7D7D7D grey49
    3: (175,175,175) #AFAFAF srgb(175,175,175)
    4: (225,225,225) #E1E1E1 srgb(225,225,225)
    5: (250,250,250) #FAFAFA grey98
    6: ( 6, 6, 6) #060606 srgb(6,6,6)
    7: ( 7, 7, 7) #070707 srgb(7,7,7)
    8: ( 8, 8, 8) #080808 grey3
    9: ( 9, 9, 9) #090909 srgb(9,9,9)
    10: ( 10, 10, 10) #0A0A0A grey4
    11: ( 11, 11, 11) #0B0B0B srgb(11,11,11)
    12: ( 12, 12, 12) #0C0C0C srgb(12,12,12)
    13: ( 13, 13, 13) #0D0D0D grey5
    14: ( 14, 14, 14) #0E0E0E srgb(14,14,14)
    15: ( 15, 15, 15) #0F0F0F grey6
    Rendering intent: Perceptual
    Gamma: 0.454545
    Chromaticity:
    red primary: (0.64,0.33)
    green primary: (0.3,0.6)
    blue primary: (0.15,0.06)
    white point: (0.3127,0.329)
    Background color: white
    Border color: srgb(223,223,223)
    Matte color: grey74
    Transparent color: black
    Interlace: None
    Intensity: Undefined
    Compose: Over
    Page geometry: 800x533+0+0
    Dispose: Undefined
    Iterations: 0
    Compression: Zip
    Orientation: Undefined
    Properties:
    date:create: 2018-10-01T18:08:35+09:00
    date:modify: 2018-10-01T12:55:39+09:00
    png:IHDR.bit-depth-orig: 4
    png:IHDR.bit_depth: 4
    png:IHDR.color-type-orig: 3
    png:IHDR.color_type: 3 (Indexed)
    png:IHDR.interlace_method: 0 (Not interlaced)
    png:IHDR.width,height: 800, 533
    png:PLTE.number_colors: 16
    png:sRGB: intent=0 (Perceptual Intent)
    signature: 2186c5c608b90bfd2086fc9211ccd41ccc8c98ac65c0e01e25afc49e29961f6a
    Artifacts:
    filename: ./sps_close.png
    verbose: true
    Tainted: False
    Filesize: 43415B
    Number pixels: 426400
    User time: 0.010u
    Elapsed time: 0:01.000
    Version: ImageMagick 6.9.10-8 Q16 x86_64 20180723 https://www.imagemagick.org
    In conversation Tuesday, 02-Oct-2018 07:45:55 JST from gnusocial.matoken.org permalink

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