Abstract
Objective: The feasibility of applying DR card in the quality control of chest film of pneumoconiosis was discussed by using the image detail change of 1 degree star card. Methods: With different types of grid DR device for star card photography, to ensure that the grid bars are orthogonal to the direction of star card image quality is stable, conforms to the DR standard of pneumoconiosis image edge enhancement processing, analysis of the relationship between lung tissue image changes and changes with fuzzy star card. By 3 physicians blind reading way, compare the use of auxiliary judgment and direct x-ray star catu judgment in the accuracy evaluation of whether the use of edge enhancement function. Results: Fuzzy images of star card were consistent with lung tissues details as DR images were treated with edge enhancement. The fuzzy zore was closer to the start card center with more image edge enhancement and more image details sharpening. on the opposite, it was farther from the center with less with edge enhancement and less image sharpening. It's valuable for star card analysis to evaluate the accuracy of the application of image edge enhancement (P<0.001). Conclusion: To determine whether the use of X-ray star catu edge feasible enhancements can be used for health supervision and quality supervision and quality control of the institution itself of radiology.
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