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Questions and Answers
What can cause streak artifacts in an image?
What can cause streak artifacts in an image?
- Low random errors
- Proper detector measurements
- Improper sampling of data (correct)
- High X-ray intensity
What is a common reason for streak artifacts according to the text?
What is a common reason for streak artifacts according to the text?
- Consistent detector measurements
- Low beam divergence
- Tube arcing (correct)
- System alignment
Why does a small structure like the edge of a bone contribute to image streaks?
Why does a small structure like the edge of a bone contribute to image streaks?
- It eliminates beam divergence
- It attenuates the X-ray beam differently in different directions (correct)
- It leads to consistent ray path measurements
- It enhances the image quality
What happens during a 360 axial scan regarding the X-ray beam sampling?
What happens during a 360 axial scan regarding the X-ray beam sampling?
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What do inconsistent measurements of the same ray path during imaging lead to?
What do inconsistent measurements of the same ray path during imaging lead to?
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Why do streak artifacts appear as intense straight lines in images?
Why do streak artifacts appear as intense straight lines in images?
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