651e401c27ad7a01d79461094b91f41b  a2.jpg
2b02a90c189cd3b9df5bf219b34602ffad2f21d7  a2.jpg
841a9b99edd0e449d2b364f26e70145c8dfa5aa9cf811a057b14e32ef2cf6a4f  a2.jpg

a2.jpg JPEG 350x245 DirectClass 18kb 
Image: a2.jpg
  Format: JPEG (Joint Photographic Experts Group JFIF format)
  Geometry: 350x245
  Class: DirectClass
  Type: TrueColor
  Endianess: Undefined
  Colorspace: RGB
  Channel depth:
    Red: 8-bits
    Green: 8-bits
    Blue: 8-bits
  Channel statistics:
    Red:
      Min: 0 (0)
      Max: 255 (1)
      Mean: 137.881 (0.540711)
      Standard deviation: 71.8838 (0.281897)
    Green:
      Min: 0 (0)
      Max: 255 (1)
      Mean: 125.158 (0.490817)
      Standard deviation: 72.8345 (0.285625)
    Blue:
      Min: 3 (0.0117647)
      Max: 255 (1)
      Mean: 133.393 (0.523109)
      Standard deviation: 66.0367 (0.258967)
  Colors: 11773
  Rendering-intent: Undefined
  Resolution: 150x150
  Units: PixelsPerInch
  Filesize: 18kb
  Interlace: None
  Background Color: white
  Border Color: #DFDFDF
  Matte Color: grey74
  Dispose: Undefined
  Iterations: 0
  Compression: JPEG
  Quality: 85
  Orientation: Undefined
  JPEG-Colorspace: 2
  JPEG-Sampling-factors: 1x1,1x1,1x1
  Signature: 5e1dd5f84062c6afe29b22c06c63ff14434de57e486c9bb615e138656672423c
  Tainted: False
  Version: ImageMagick 6.2.4 02/10/07 Q16 http://www.imagemagick.org

Jhove (Rel. 1.1 (pre-release g), 2007-08-30)
 Date: 2009-11-10 00:42:04 CET
 RepresentationInformation: a2.jpg
  ReportingModule: JPEG-hul, Rel. 1.2 (2007-02-13)
  LastModified: 2009-04-24 14:34:52 CEST
  Size: 18214
  Format: JPEG
  Version: 1.01
  Status: Well-Formed and valid
  SignatureMatches:
   JPEG-hul
  MIMEtype: image/jpeg
  Profile: JFIF
  JPEGMetadata: 
   CompressionType: Huffman coding, Baseline DCT
   Images: 
    Number: 1
    Image: 
     NisoImageMetadata: 
      ByteOrder: big_endian
      CompressionScheme: JPEG
      ImageWidth: 350
      ImageHeight: 245
      ColorSpace: YCbCr
      SamplingFrequencyUnit: inch
      XSamplingFrequency: 150
      YSamplingFrequency: 150
      BitsPerSample: 8, 8, 8
      BitsPerSampleUnit: integer
      SamplesPerPixel: 3
     Scans: 1
     QuantizationTables: 
      QuantizationTable: 
       Precision: 8-bit
       DestinationIdentifier: 0
      QuantizationTable: 
       Precision: 8-bit
       DestinationIdentifier: 1
   ApplicationSegments: APP0
  Checksum: 83f80566
   Type: CRC32
  Checksum: 651e401c27ad7a01d79461094b91f41b
   Type: MD5
  Checksum: 2b02a90c189cd3b9df5bf219b34602ffad2f21d7
   Type: SHA-1