Artifacts
Artifacts
Major Objectives and Sub-Content:
1. Introduction
1. Introduction
- What is it
- Why is it Important
- How can it be Fixed
- What is the Cause
- Fundamental Assumptions of Ultrasound Imaging
- Classification Systems: Manifestations vs Mechanisms
- Artifact Manifestations:
- Missing Information:
- Vertical Resolution
- Lateral Resolution
- Added Information:
- Volume Averaging
- Mirror Artifact
- Reverberation
- Speckle
- Wrong Location:
- Side and Grating Lobes
- Range Ambiguity
- Range Error
- Multipath
- Brightness Alteration:
- Acoustic Enhancement
- Acoustic Shadowing
- Focal Enhancement
- Edge Shadow
Key
Message:
This is a rather difficult module, and you will likely need to revisit this page multiple times for referencing.
You do not have to understand all the physics, but do strive to RECOGNIZE them and ATTENUATE/MITIGATE them.
This is a rather difficult module, and you will likely need to revisit this page multiple times for referencing.
You do not have to understand all the physics, but do strive to RECOGNIZE them and ATTENUATE/MITIGATE them.