ImageMagick > identifyコマンド > verboseオプション

verboseオプションは、より詳細な画像情報を出力してくれる。
サンプル画像の情報は以下の通り。

Image: gandom.jpg
  Format: JPEG (Joint Photographic Experts Group JFIF format)
  Class: DirectClass
  Geometry: 230x401+0+0
  Type: TrueColor
  Endianess: Undefined
  Colorspace: RGB
  Depth: 8-bit
  Channel depth:
    Red: 8-bit
    Green: 8-bit
    Blue: 8-bit
  Channel statistics:
    Red:
      Min: 0 (0)
      Max: 255 (1)
      Mean: 177.153 (0.694719)
      Standard deviation: 56.3777 (0.221089)
    Green:
      Min: 0 (0)
      Max: 255 (1)
      Mean: 171.555 (0.672765)
      Standard deviation: 57.7193 (0.22635)
    Blue:
      Min: 0 (0)
      Max: 255 (1)
      Mean: 167.832 (0.658163)
      Standard deviation: 58.7839 (0.230525)
  Rendering intent: Undefined
  Resolution: 96x96
  Units: PixelsPerInch
  Filesize: 15.4883kb
  Interlace: None
  Background color: white
  Border color: rgb(223,223,223)
  Matte color: grey74
  Transparent color: black
  Page geometry: 230x401+0+0
  Dispose: Undefined
  Iterations: 0
  Compression: JPEG
  Quality: 75
  Orientation: Undefined
  Jpeg:colorspace: 2
  Jpeg:sampling-factor: 2x2,1x1,1x1
  Signature: 51fa336b71c2ba60f6ed83a8f160cbf35ca9c18c2870d3f348f21ec3f2bd10a6
  Tainted: False
  Version: ImageMagick 6.3.7 03/24/09 Q16 http://www.imagemagick.org