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Conventional radiographs vs digitized radiographs: image quality assessment
N Parissis1, A Kondylidou-Sidira, A Tsirlis
1Dental School, Department of Oral Surgery, Implantology and Roentgenology, Aristotle University of Thessaloniki, 54124 Greece.
Dento Maxillo Facial Radiology
|October 18, 2005
Summary
Digitized radiographs show higher density but a narrower range than conventional ones, with similar resolution. Further research is needed to understand factors affecting digitized image quality.
Area of Science:
- Radiology
- Medical Imaging
Background:
- Conventional radiographs are standard in medical imaging.
- Digital imaging offers potential advantages in image processing and storage.
Purpose of the Study:
- To compare image quality characteristics between conventional radiographs and their digital counterparts.
- To evaluate density, contrast, and resolution of both image types.
Main Methods:
- 100 conventional E-speed radiographs were assessed for density and contrast.
- Digital images were created by scanning conventional radiographs.
- Resolution was tested using a resolution target on both original and scanned images.
Main Results:
- Digitized radiographs exhibited higher density compared to conventional ones.
- A narrower density range was observed in the digitized images.
- Resolution levels were found to be similar between conventional and digitized radiographs.
Conclusions:
- Digitized radiographs present higher density, aligning with existing literature.
- Further investigation is necessary to identify factors influencing digitized image quality.
- Understanding these factors is crucial for optimizing digital radiography practices.
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