Related Experiment Videos
Retrospective motion correction in digital subtraction angiography: a review
E H Meijering1, W J Niesssen, M A Viergever
1Image Sciences Institute, Utrecht University, The Netherlands.
IEEE Transactions on Medical Imaging
|April 8, 1999
Summary
Digital subtraction angiography (DSA) is prone to motion artifacts that hinder image quality. This review focuses on retrospective motion correction techniques to improve diagnostic accuracy in vascular imaging.
Area of Science:
- Medical Imaging
- Radiology
- Vascular Imaging
Background:
- Digital subtraction angiography (DSA) is crucial for visualizing blood vessels.
- Patient motion during DSA causes artifacts, reducing diagnostic value.
- Existing solutions for motion artifacts are varied.
Purpose of the Study:
- To provide an overview of motion artifact types in DSA.
- To review proposed techniques for motion artifact avoidance.
- To detail retrospective motion correction methods.
Main Methods:
- Literature review of motion artifact types.
- Analysis of proposed motion correction techniques.
- Focus on retrospective correction methods.
Main Results:
- Identified various motion artifact types in DSA.
- Summarized numerous techniques to mitigate motion artifacts.
- Detailed retrospective motion correction strategies.
Conclusions:
- Retrospective motion correction is key to improving DSA image quality.
- Further research is needed to optimize motion correction techniques.
- Enhanced DSA imaging will improve diagnostic capabilities.