Term
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Definition
| any faslse visual feature on n image that simulates tissue or obscures tissue. Artifacts interfere with diagnosis and must be avoided |
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Term
| what are the 3 ways that digital radiographic artifacts classified |
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Definition
| image receptor, software, and object |
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Term
| what are the types of image receptor artifacts |
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Definition
| dust, dirt, scratches; pixel malfunction; ghost images |
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Term
| what are software artifacts |
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Definition
| when a large group of dead pixels is assigned a value that is inconsistent with the appearance of the image |
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Term
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Definition
| incorrect centering can cause the computer to analyze incorrectly, lack of collimation messes up histogram, selection of wrong body part means incorrect algorithm |
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