Keyphrases
Single-photon Emission Computed Tomography (SPECT)
100%
Compensation Method
100%
Collimator
100%
Detector Response
100%
Response Compensation
100%
Spatial Resolution
60%
Analytical Method
60%
Iterative Methods
60%
Point Source
40%
Image Noise
40%
Computation Time
20%
Phantom
20%
Reconstructed Image
20%
Response Characteristics
20%
High-frequency Noise
20%
Noise Level
20%
Noise Properties
20%
Low Noise
20%
Accurately Model
20%
Resolution Recovery
20%
Smoothing Filter
20%
Center of Rotation
20%
Asymmetric Shape
20%
Engineering
Collimator
100%
Spatial Resolution
60%
Image Noise
40%
Source Point
40%
Simulated Data
40%
Computation Time
20%
Reconstructed Image
20%
Noise Level
20%
Frequency Noise
20%
Image Source
20%
Response Characteristic
20%