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 ?
Under the large window, the Double suite ascendante en V (Double suite ascending in a V, 1994), projects three luminous shapes that reach to the top of the window at the right and the left of the entryway: a half circle at floor level, a half circle upside down, located at window level, and a full circle at the top of the room.
The third method of a combined spray and dip plant overcomes these disadvantages in that it can reach the hollow sections in areas which are at risk, such as the lower part of the body because it is normally immersed up to window level. But it requires the chemicals for both the spray and dip processes to be compatible.
All shrubbery should be trimmed to just below window level. Shrubbery near doors should be trimmed back so it is easy to see if anyone is hiding in it.
Tenders are invited for Balance work for construction of kgbv at mashaddi above ground floor window level including boundary wall zone malhar district kathua
He indicated that the house, which is currently at window level, is being constructed through the assistance of Choppies stores.
He said: "By the time I got her out, the window level was in the water."
It is every inch a stand-alone model right down to the light clusters that fold around the back of the car and the switching of the rear door handles into the pillar at window level.
The way the rear light clusters fold around the back of the car and the removal of the rear door handle from the body skin into the pillar at window level have created a sweeping, almost coupe, feel to the car's lines.
The roses had grown tall, no longer covering the pipes, and the flowers were at the top of the plants above window level.
To take advantage of the panoramic views of the city, Mario built a hideaway at window level. Jenny keeps all her favourite cushions and model delivery motorcyle nearby whenever she relaxes here.