Legacy ImageMagick Discussions Archive

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compare -metric rmse -fuzz 5% -lowlight-color none People.jpg People2.jpg -alpha off people_compare5.png

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identify -verbose people_compare5.png

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Image: people_compare5.png
  Format: PNG (Portable Network Graphics)
  Mime type: image/png
  Class: DirectClass
  Geometry: 500x500+0+0
  Resolution: 28.34x28.34
  Print size: 17.6429x17.6429
  Units: PixelsPerCentimeter
  Type: TrueColorAlpha
  Endianess: Undefined
  Colorspace: sRGB
  Depth: 8-bit
  Channel depth:
    red: 8-bit
    green: 8-bit
    blue: 8-bit
    alpha: 1-bit
  Channel statistics:
    Pixels: 250000
    Red:
      min: 0 (0)
      max: 255 (1)
      mean: 197.134 (0.773075)
      standard deviation: 80.8914 (0.317221)
      kurtosis: 0.213007
      skewness: -1.30378
      entropy: 0.562481
    Green:
      min: 1 (0.00392157)
      max: 255 (1)
      mean: 194.273 (0.761855)
      standard deviation: 85.7685 (0.336347)
      kurtosis: -0.394662
      skewness: -1.11982
      entropy: 0.530233
    Blue:
      min: 9 (0.0352941)
      max: 255 (1)
      mean: 203.67 (0.798705)
      standard deviation: 79.727 (0.312655)
      kurtosis: 0.0309241
      skewness: -1.3092
      entropy: 0.521523
    Alpha:
      min: 255 (1)
      max: 255 (1)
      mean: 255 (1)
      standard deviation: 0 (0)
      kurtosis: 0
      skewness: 0
      entropy: 0