Mathematics
Subtraction
85%
Real-time
80%
Higher Order
50%
Energy
47%
Phantom
42%
Instrumentation
42%
Pixel
24%
Coefficient
20%
Multiplier
18%
Radiography
16%
Digital Image
13%
System Design
13%
Range of data
12%
Hardware
12%
Imaging
11%
Calibration
10%
Weighting
10%
Experimental Results
10%
Least Squares
9%
Closed-form
8%
Cover
7%
Necessary
6%
Object
6%
Design
6%
Arbitrary
5%
Engineering & Materials Science
Phantoms
75%
X rays
42%
Pixels
35%
Iodine
31%
Radiography
30%
Interfaces (computer)
22%
Calibration
18%
Imaging techniques
18%
Systems analysis
17%
Computer hardware
13%
Physics & Astronomy
fluoroscopy
100%
subtraction
74%
energy
20%
multipliers
20%
coefficients
19%
pixels
14%
traction
10%
radiography
9%
systems engineering
9%
iodine
9%
hardware
8%
x rays
7%
Chemical Compounds
Instrumentation
51%
Energy
33%
Contrast Medium
19%
Iodine
15%