FAQ: Which Of The Following Image Manipulation Tools Can Be Used When Viewing 3-d Or 4-d Images?

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Which of the following image manipulation tools is most useful for viewing 3D images?

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Question Answer
When manipulating an image using the zoom tool, the resolution: (increases, decreases, stays the same) decreases
Which of the following image manipulation tools is most useful for viewing 3D images? (swivel, pan, zoom, scroll) swivel

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Which of the following postprocessing techniques is referred to as 4 D reconstruction?

Which of the following postprocessing techniques is referred to as 4 – D reconstruction? vOLUME RENDERING. Virtual reality (VR) and volume rendering imaging techniques are identical.

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Which of the following reconstruction method is used by most modern CT scanners?

The most commonly used analytical reconstruction methods on commercial CT scanners are all in the form of filtered backprojection (FBP), which uses a 1D filter on the projection data before backprojecting (2D or 3D) the data onto the image space.

Which of the following terms refers to the automatic removal of artifacts?

incorrect image reconstruction. Which of the following terms refers to the automatic removal of artifacts that occur in anatomy of various densities? artifact -free images. misregistration.

What type of detectors are typically used in modern CT scanners?

a fan beam/multi- detectors. B and C are correct. Which generation of CT scanners was the first to use a curved array of rotating detectors?

What is the linearity phantom used to test?

What is the linearity phantom used to test? Image noise can be reduced by: increasing mAs. decreasing slice thickness.

Which type of tumor would most likely be treated with cryoablation?

Cryoablation is usually effective for localized kidney cancer and some liver and lung cancers. Cryoablation spares healthy kidney tissue and can be repeated, if needed. Most patients go home the same day.

Which period of time is the term modern most closely associated with?

Modernity has been associated with cultural and intellectual movements of 1436–1789 and extending to the 1970s or later. People were beginning to experience a more modern life (Laughey, 31).

When image data is acquired by a CT scanner it goes through a process known as?

When image data is acquired by a CT scanner, it goes through a process known as: convolution. digitization.

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What is back projection CT?

Backprojection reconstructs an image by taking each view and smearing it along the path it was originally acquired. The resulting image is a blurry version of the correct image.

Which is the current advanced CT image reconstruction method?

Advanced CT reconstruction methods are indispensable in the current clinical setting. IR is essential for photon-counting CT, phase-contrast CT, and dark-field CT. Artificial intelligence will potentially further increase the performance of reconstruction methods.

Which CT image reconstruction algorithm is most likely used in clinical practice?

With the Fourier slice theorem one of the most commonly used reconstruction algorithms —the filtered back-projection (FBP) method —can be elegantly derived.

Which type of exam commonly uses the virtual reality application for post processing?

Which type of exam commonly uses the virtual reality application for postprocessing? Multiplanar reconstruction, or MPR, changes the data set from: A) axial to a coronal, sagittal or oblique projections.

What are signal artifacts?

In natural science and signal processing, an artifact or artefact is any error in the perception or representation of any information, introduced by the involved equipment or technique(s).

Which of the following tests determines the uniformity of CT numbers throughout the image?

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Question Answer
Which test determines the uniformity of CT numbers throughout the image? CT number flatness
It is important for CT technologists to understand the medical physicist’s measurements in order to: observe daily image quality

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