window level


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win·dow lev·el

the CT number setting in Hounsfield units of the midpoint of the window width, which is the gray scale of the image. A typical window level for imaging the lungs is -500; for the abdomen, 0.

window level

Abbreviation: WL
In digital imaging, including computed tomography, the center of the range of gray scale in the image.
See also: window
References in periodicals archive ?
0 is a new windows-based suite of tools for contouring, smart interpolation, streamlined data transfer, user preferences for default colors, renderings, density assignments, output preferences, and window level settings.
With this order, the installation of the inner window level ( insulated windows , a finishing coat ) takes place .
of WinVista Pro(TM), its well-received enterprise application monitoring and control tool that centrally audits desktop application activity at the individual window level.
1 Level: Rehabilitation of the outer window level and preparatory measures for the rehabilitation of the inner window level : 2 Level: The redevelopment of the inner level (insulated windows, topcoat).
First Stage: Reconstruction of the outer window level and preparatory measures for installation of interior window level : Second Level: Addition to the viewport level (insulated windows, finish) is not part of this tender.
Additionally, as the only software program to monitor activity down to the Window level, WinVista Pro pinpoints employee training needs by identifying where and when they experience problems.
1 stage: reconstruction of the outer window level and preparatory measures for the rehabilitation of the inner window level
In addition, the BilReader lowers the cost-of-entry for automated data processing at the teller window level or back room.
He says that most people walk around either looking straight ahead or at their feet, and seldom raise their eyes above window levels.