difference score


The value returned by a biometric engine that indicates the degree of difference found between a reference biometric sample (e.g. the data on file) and the data being obtained for comparison.

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Read Also:

  • differential incremental backup

    The backup of all data files that have been modified since the last incremental backup or archival backup. Compare with cumulative incremental backup.

  • diffusing update algorithm

    Abbreviated as DUAL, the diffusing update algorithm is a routing protocol used by EIGRP to calculate and create routing tables to determine whether a path is looped or loop-free. It also allows a router running EIGRP to find alternate paths without waiting on updates from other routers. The diffusing update algorithm (DUAL) was developed at […]

  • Digital

    (adj.) Describes any system based on discontinuous data or events. Computers are digital machines because at their most basic level they can distinguish between just two values, 0 and 1, or off and on. There is no simple way to represent all the values in between, such as 0.25. All data that a computer processes […]

  • digital access and cross-connect system (DACS)

    A digital switching device in telecommunications for routing T1 lines. The DACS can cross-connect any T1 line in the system with any other T1 line also in the system. DACS can also connect any DS-0 channel or group of channels on a T1 line to any DS-0 time slots of any other line.

  • digital artifact

    In digital photography and digital video an artifact refers to any visible defect. Jaggies is considered to be a type of digital artifact, and image compression may also introduce artifacts into a digital image.


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