9/9: Digital Imaging & Image Manipulation Flashcards
1
Q
- What is image processing?
A
a. Mathematical manipulation of image data
2
Q
- This magnifies, adjusts contrast, brightness, gray scale, colors, swap black and white
A
a. Qualitative
3
Q
- This measures lengths, pixel values
A
a. Analytical
4
Q
- What are the 4 types of digital image processing/modifications?
A
a. Compression
b. Image manipulation
c. Automated image analysis
d. Image reconstruction
5
Q
- What are some reasons file memory size can become quite large?
A
a. Size of grid
b. Number of images
c. Bit depth
6
Q
- This is a sharpening filter
A
a. Edge enhancement
7
Q
- This is a softening filter
A
a. Noise reduction
8
Q
- This is to be able to process and construct an image, the computer will turn the voltage signal to numbers and then to shades of gray
A
a. Analog to digital conversion
9
Q
- Are image manipulations pre or post display modifications?
A
a. Post-display modifications
10
Q
- Do image manipulations increase the diagnostic accuracy?
A
No
11
Q
- This reverses the black and white
A
a. Inversion of gray scale
12
Q
- If you increase or decrease contrast that is known as
A
a. brightness/contrast adjustment
13
Q
- Are the brightness and contrast adjustments done together or separately?
A
a. Together
14
Q
- Can edge enhancement stimulate disease?
A
Yes
15
Q
- What is the toolbar where you can make all the image adjustments called?
A
a. MIPACS toolbar
