56c42b6f4aeb28a868a1e4adb5871759  professor.jpg
14cab0a870b4ee59eec83dc0d07104d630024341  professor.jpg
3e6e6ac725219d49bf469493df487e92761e5b02ec164200f90b9dfe57fce30a  professor.jpg

professor.jpg JPEG 100x156 DirectClass 5kb 
Image: professor.jpg
  Format: JPEG (Joint Photographic Experts Group JFIF format)
  Geometry: 100x156
  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: 248 (0.972549)
      Mean: 90.4155 (0.354571)
      Standard deviation: 62.9749 (0.246961)
    Green:
      Min: 0 (0)
      Max: 247 (0.968627)
      Mean: 86.002 (0.337263)
      Standard deviation: 61.0998 (0.239607)
    Blue:
      Min: 0 (0)
      Max: 223 (0.87451)
      Mean: 63.4204 (0.248708)
      Standard deviation: 64.4289 (0.252662)
  Colors: 8980
  Rendering-intent: Undefined
  Resolution: 72x72
  Units: PixelsPerInch
  Filesize: 5kb
  Interlace: None
  Background Color: white
  Border Color: #DFDFDF
  Matte Color: grey74
  Dispose: Undefined
  Iterations: 0
  Compression: JPEG
  Quality: 80
  Orientation: Undefined
  JPEG-Colorspace: 2
  JPEG-Sampling-factors: 2x2,1x1,1x1
  Signature: 46962dc7c83223aac081add0e376d7eddb7a1a5b43fc91c4b07b086ec2f7fe64
  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: 2009-11-05 00:45:38 CET
 RepresentationInformation: professor.jpg
  ReportingModule: JPEG-hul, Rel. 1.2 (2007-02-13)
  LastModified: 2009-07-31 17:05:05 CEST
  Size: 5032
  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: 100
      ImageHeight: 156
      ColorSpace: YCbCr
      SamplingFrequencyUnit: inch
      XSamplingFrequency: 72
      YSamplingFrequency: 72
      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: 53073ca5
   Type: CRC32
  Checksum: 56c42b6f4aeb28a868a1e4adb5871759
   Type: MD5
  Checksum: 14cab0a870b4ee59eec83dc0d07104d630024341
   Type: SHA-1