image processing Word Scramble

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Question	Answer
Which component of the digital image corresponds to contrast on the radiographic image?	Window width
When the image matrix size is increased, resulting in a decreased pixel size, what happens to spatial resolution?	It increases
Which of the following is normally unique to DR?	Fast image access
Which of the following is used as an image receptor in DR?	Se
With digital imaging, using twice the needed mAs will result in an image with _____ density/brightness and _____ patient exposure	Appropriate, excessive
What is the display of the digital image that occurs in a series of rows and columns called?	Matrix
How can you describe a noisy image?	An image with noticeable quantum mottle
A digital image constructed on 512 x 512 matrix will have how many pixels?	262144
The pixel bit depth determines the amount of shades of gray the system is capable of displaying on the digital image.	True
DR imaging systems briefly store the electrical charge in the:	TFT
In digital radiography or fluoroscopy, the image should be viewed on what device to take advantage of the digital capabilities?	High resolution monitor
Which component of the digital image corresponds to contrast on the radiographic image?	Window width
In CR and DR, each pixel corresponds to a shade of gray representing a volume in the patient known as a:	Voxel
What is the display of the digital image that occurs in a series of rows and columns called?	Matrix
THe mathematical formula used to reconstruct the image in digital imaging is called	An algorithm
The window level in CR or DR is the	The midpoint of densities
A graphic display that is constructed to show the radiographer the distribution of pixel values is called	A histogram
Image brightness in CR and DR may be adjusted by	Changing the window level
Picture elements in a digital image are called	Pixels
In computed radiography, the image must be turned into digital form by what device?	The analog to digital converter

Created by: volcomgrl12