Image: CTZN0G04.png
  Format: PNG (Portable Network Graphics)
  Mime type: image/png
  Class: PseudoClass
  Geometry: 32x32+0+0
  Units: Undefined
  Type: Grayscale
  Base type: Grayscale
  Endianess: Undefined
  Colorspace: Gray
  Depth: 8/4-bit
  Channel depth:
    gray: 4-bit
  Channel statistics:
    Pixels: 1024
    Gray:
      min: 0 (0)
      max: 255 (1)
      mean: 224.005 (0.878451)
      standard deviation: 79.9086 (0.313367)
      kurtosis: 3.54069
      skewness: -2.32033
      entropy: 0.238274
  Colors: 15
  Histogram:
       101: (  0,  0,  0) #000000 gray(0)
         3: ( 17, 17, 17) #111111 gray(17)
         4: ( 34, 34, 34) #222222 gray(34)
         5: ( 51, 51, 51) #333333 gray(51)
         2: ( 68, 68, 68) #444444 gray(68)
         3: (102,102,102) #666666 gray(102)
         5: (119,119,119) #777777 gray(119)
         3: (136,136,136) #888888 gray(136)
         4: (153,153,153) #999999 gray(153)
         3: (170,170,170) #AAAAAA gray(170)
         6: (187,187,187) #BBBBBB gray(187)
         3: (204,204,204) #CCCCCC gray(204)
         5: (221,221,221) #DDDDDD gray(221)
         6: (238,238,238) #EEEEEE gray(238)
       871: (255,255,255) #FFFFFF gray(255)
  Colormap entries: 16
  Colormap:
         0: (  0,  0,  0) #000000 gray(0)
         1: ( 17, 17, 17) #111111 gray(17)
         2: ( 34, 34, 34) #222222 gray(34)
         3: ( 51, 51, 51) #333333 gray(51)
         4: ( 68, 68, 68) #444444 gray(68)
         5: ( 85, 85, 85) #555555 gray(85)
         6: (102,102,102) #666666 gray(102)
         7: (119,119,119) #777777 gray(119)
         8: (136,136,136) #888888 gray(136)
         9: (153,153,153) #999999 gray(153)
        10: (170,170,170) #AAAAAA gray(170)
        11: (187,187,187) #BBBBBB gray(187)
        12: (204,204,204) #CCCCCC gray(204)
        13: (221,221,221) #DDDDDD gray(221)
        14: (238,238,238) #EEEEEE gray(238)
        15: (255,255,255) #FFFFFF gray(255)
  Rendering intent: Undefined
  Gamma: 1
  Background color: gray(255)
  Border color: gray(223)
  Matte color: gray(189)
  Transparent color: gray(0)
  Interlace: None
  Intensity: Rec709Luminance
  Compose: Over
  Page geometry: 32x32+0+0
  Dispose: Undefined
  Iterations: 0
  Compression: Zip
  Orientation: Undefined
  Properties:
    Author: Willem A.J. van Schaik
(willem@gintic.gov.sg)
    Copyright: Copyright Willem van Schaik, Singapore 1995-96
    date:create: 2017-06-17T15:13:28-03:00
    date:modify: 2017-06-15T22:08:03-03:00
    Description: A compilation of a set of images created to test the
various color-types of the PNG format. Included are
black&white, color, paletted, with alpha channel, with
transparency formats. All bit-depths allowed according
to the spec are present.
    Disclaimer: Freeware.
    png:gAMA: gamma=1 (See Gamma, above)
    png:IHDR.bit-depth-orig: 4
    png:IHDR.bit_depth: 4
    png:IHDR.color-type-orig: 0
    png:IHDR.color_type: 0 (Grayscale)
    png:IHDR.interlace_method: 0 (Not interlaced)
    png:IHDR.width,height: 32, 32
    png:text: 6 tEXt/zTXt/iTXt chunks were found
    signature: f3b5e025de61c4d76fbfd2ff5d3c616882ce3aea8878723d239abee2aff78704
    Software: Created on a NeXTstation color using "pnmtopng".
    Title: PngSuite
  Artifacts:
    filename: CTZN0G04.png
    verbose: true
  Tainted: False
  Filesize: 756B
  Number pixels: 1.02K
  Pixels per second: 1.024EB
  User time: 0.000u
  Elapsed time: 0:01.000
  Version: ImageMagick 6.9.3-0 Q16 x86_64 2017-03-11 http://www.imagemagick.org