Image Reconstruction and Display Flashcards
Range of CT numbers
(maximum - minimum) that are distributed
over the viewable grey scale of the display
device or film
Window width
The CT number in the
center of the viewable grey scale
Window center
Width of
the square region mapped to the
reconstructed image matrix
Reconstruction field of view
Prescribing the reconstruction parameters _____ to scan acquisition
prior
Prescribing the reconstruction parameters
______scan acquisition
After
determines
sharpness or smoothness of image in the
axial plane
Reconstruction property
achieve a
wider or narrower section sensitivity profile
Helical interpolation options
Nominal width of ____________along the z axis
reconstructed
image
Distance between two
consecutive reconstructed images
Reconstruction
interval,
Recon Interval
Interval
(Revolution/Apex
platform)
Interval
Slice separation
Slice Increment
Increment
Position
increment
Increment
Fast but lower-quality reconstructed images for rapid review of entire
exam
SUREScan
QC Image
Image Check
Real Time
Reconstructi
on
Image Preview
Image Check
Evolving
Evolving
reconstructions
RT (Realtime
reconstruc
tion)
Preview
Off-center reconstruction coordinates are
called
RL Center; AP
Center
Center x, y Center x, center y
Flip or rotate the image orientation is
called
Rotate/Mirror,Flip/rotate, Flip/Rotate, Flip/rotate ,Flip & Rotate ,Flip/rotate Mirroring (Flip in
Viewing card);
Rotate
Image Flip
Image modifications to alter sharpness or
smoothness (done in image space without
reconstructing images)
Filter
Advanced Image Reconstruction
AIDR, AIDR 3D,
AiCE,
ASIR, ASIR-V,
DLIR
(TrueFidelity)
ClearView
