Quiz ma’am Lovely 2 Flashcards
consists of columns (M) and rows (N) that define small square regions called picture elements or pixels
Matrix
The amount of body part or patient included in the image.
Field of View
the smallest element in a digital image.
Pixel
directly related to the amount of spatial resolution or detail in the image
Pixel Size
●The number of bits within a pixel
•Pixel Bit Depth
Refers to its appearance on the display monitor of the computer and is a function of the monitor’s ability to emit light through the surface of the display.
Brightness
The ability of the digital system to display subtle changes in the shade of gray.
Contrast Resolution
The ability of the imaging system to demonstrate small details of an object
Spatial Resolution
Image noise contributes no useful diagnostic information and serves only to detract from the quality of the image.
● is visible as brightness or density fluctuations on the image.
Quantum noise
Ability to respond to varying levels of exposure, more tissue densities on the digital image are seen, giving the appearance of more detail.
Dynamic Range
The range of exposure diagnostic image values the image detector is able to produce.
Exposure Latitude
The purpose of this class of processing is to generate an image that is more pleasing to the observer
Image Enhancement
to improve the quality of images that have distortions or degradations.
Image Restoration
reduce the size of the image in order to decrease transmission time and reduce storage space.
Image Compression
These processing operations “create images from other images or non-image data.
Image Synthesis
