Consistent Presentation of Images

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Consistent Presentation of Images (CPI) maintains consistent intensity and image transformations between different hardcopy and softcopy devices.


Consistent Presentation of Images maintains the consistency of presentation for grayscale images and their presentation state information (including user an notations, shutters, flip/rotate, display area, and zoom). It also defines a standard contrast curve, the Grayscale Standard Display Function, against which different types of display and hardcopy output devices can be calibrated. Thus it supports hardcopy, softcopy and mixed environments.

Rad CPI.jpg


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Systems Affected

The systems included in this profile are hospital-wide and radiology-department image rendering systems such as:

  • Review or diagnostic image softcopy display stations (stand-alone or integrated with a HIS, RIS or PACS)
  • Image management and archiving systems (PACS)
  • Hardcopy image producing systems on various media such as film or paper
  • Acquisition modalities

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