51524d0bcb89df109a59fd8d3f0ef0e1  a3.jpg
ef6bf699bfdaeb0350efe74eb369ebc5a0410e09  a3.jpg
2840f7a9d2addfbb80ea2e8469c332e5f43758def1e32aa2433f5a9115db01fb  a3.jpg

a3.jpg JPEG 350x368 DirectClass 16kb 
Image: a3.jpg
  Format: JPEG (Joint Photographic Experts Group JFIF format)
  Geometry: 350x368
  Class: DirectClass
  Type: TrueColor
  Endianess: Undefined
  Colorspace: RGB
  Channel depth:
    Red: 8-bits
    Green: 8-bits
    Blue: 8-bits
  Channel statistics:
    Red:
      Min: 59 (0.231373)
      Max: 255 (1)
      Mean: 144.721 (0.567534)
      Standard deviation: 51.9469 (0.203713)
    Green:
      Min: 13 (0.0509804)
      Max: 238 (0.933333)
      Mean: 103.397 (0.405479)
      Standard deviation: 59.9241 (0.234997)
    Blue:
      Min: 8 (0.0313725)
      Max: 211 (0.827451)
      Mean: 85.0164 (0.333398)
      Standard deviation: 47.51 (0.186314)
  Colors: 28751
  Rendering-intent: Undefined
  Resolution: 150x150
  Units: PixelsPerInch
  Filesize: 16kb
  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: ae5e1750db1360e7a5d8bef48f84af3417d22e9f4b6795a30ebfe9033e217c16
  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 00:42:24 CET
 RepresentationInformation: a3.jpg
  ReportingModule: JPEG-hul, Rel. 1.2 (2007-02-13)
  LastModified: 2009-04-24 14:34:59 CEST
  Size: 16373
  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: 368
      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: 853c986a
   Type: CRC32
  Checksum: 51524d0bcb89df109a59fd8d3f0ef0e1
   Type: MD5
  Checksum: ef6bf699bfdaeb0350efe74eb369ebc5a0410e09
   Type: SHA-1