Computerized imaging

Question 1

Define digital imaging

Question 2

define teleradiology

Question 3

differences between PSP and FPD image capture

Question 4

PSP plate is…

Question 5

FPD plate is…

Question 6

differences between indirect and direct digital xray

Question 7

differences between film/screen and digital imaging

Question 8

define PACS and it’s major components

Question 9

Describe the technical considerations between film and digital imagng

Question 10

describe the term “speed class” and how it relates to DR

Question 11

explain process for prepping images to send to PACS for interpretation

Question 12

compare and contrast the differences between analog and digital images

Question 13

define the term pixel

Question 14

pixel size is

Question 15

pixel bit depth is

Question 16

what is a matrix

Question 17

what is the Field of View of a image? (FOV)

Question 18

compare pixel size, matrix size, and FOV

Question 19

explain role of exposure indicators and units of measure

Question 20

explain: brightness, contrast resolution, spatial resolution

Question 21

explain modulation transfer function (MTF)

Question 22

define noise and noise power spectrum

Question 23

define exposure latitude

Question 24

describe detective quantum efficiency

Question 25

explain histogram and it's formation

Question 26

explain the nyquist theorem and it's important in digital imaging

Question 27

define aliasing

Question 28

define auto rescaling

Question 29

define LUT

Question 30

describe the process of contrast manipulation under quality control workstation functions

Question 31

define these spatial filtering processes: -edge enhancement -smoothing

Question 32

explain windowing and levelling post processing image manipulation

Question 33

describe post processing image techniques: -stitching -orientation of image -background removal or shuttering -annotation of image -magnification of image

Question 34

list and describe different image management functions