7b9de7dc10338d0b17d9a17b61d74640  ciencia.jpg
86b9bf2e51420f5d4d49059d1a21e27aa57d7d5e  ciencia.jpg
9a42040c33b888fe702a4792ee82121100aff85cf31ea24564b7dd43db23d4f7  ciencia.jpg

ciencia.jpg JPEG 400x300 DirectClass 45kb 
Image: ciencia.jpg
  Format: JPEG (Joint Photographic Experts Group JFIF format)
  Geometry: 400x300
  Class: DirectClass
  Type: TrueColor
  Endianess: Undefined
  Colorspace: RGB
  Channel depth:
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    Green: 8-bits
    Blue: 8-bits
  Channel statistics:
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      Min: 3 (0.0117647)
      Max: 255 (1)
      Mean: 221.947 (0.870379)
      Standard deviation: 42.4247 (0.166371)
    Green:
      Min: 12 (0.0470588)
      Max: 255 (1)
      Mean: 221.647 (0.869205)
      Standard deviation: 44.5555 (0.174727)
    Blue:
      Min: 0 (0)
      Max: 255 (1)
      Mean: 218.157 (0.855519)
      Standard deviation: 48.9773 (0.192068)
  Colors: 13946
  Rendering-intent: Undefined
  Resolution: 72x72
  Units: Undefined
  Filesize: 45kb
  Interlace: None
  Background Color: white
  Border Color: #DFDFDF
  Matte Color: grey74
  Dispose: Undefined
  Iterations: 0
  Compression: JPEG
  Quality: 100
  Orientation: Undefined
  Comment: CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 100

  JPEG-Colorspace: 2
  JPEG-Sampling-factors: 2x2,1x1,1x1
  Signature: 4a28efea8780ec15ae181f231d1669f86e18fd0f6e94548203f5e278f432fc6d
  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: 2009-07-10 00:23:52 CEST
 RepresentationInformation: ciencia.jpg
  ReportingModule: JPEG-hul, Rel. 1.2 (2007-02-13)
  LastModified: 2009-06-18 19:53:19 CEST
  Size: 46459
  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: 400
      ImageHeight: 300
      ColorSpace: YCbCr
      SamplingFrequencyUnit: no absolute unit
      BitsPerSample: 8, 8, 8
      BitsPerSampleUnit: integer
      SamplesPerPixel: 3
     PixelAspectRatio: 
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      PixelAspectRatioY: 1
     Scans: 1
     QuantizationTables: 
      QuantizationTable: 
       Precision: 8-bit
       DestinationIdentifier: 0
      QuantizationTable: 
       Precision: 8-bit
       DestinationIdentifier: 1
   Comments: CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 100

   ApplicationSegments: APP0
  Checksum: ae9033a9
   Type: CRC32
  Checksum: 7b9de7dc10338d0b17d9a17b61d74640
   Type: MD5
  Checksum: 86b9bf2e51420f5d4d49059d1a21e27aa57d7d5e
   Type: SHA-1