Prevalence of radiographic small opacities in vermiculite miners
β Scribed by Harlan E. Amandus
- Publisher
- John Wiley and Sons
- Year
- 1987
- Tongue
- English
- Weight
- 74 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0271-3586
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π SIMILAR VOLUMES
## Abstract This paper proposes an automated procedure for both the size classification and the density (profusion) classification of the pneumoconiosis radiograph. The procedure is as follows. The rounded opacities are enhanced using a secondβorder difference linear filter with a circular weightin
## Background: The purpose of this study was to assess inter-and intraobserver variation in the radiographic categories of small lung opacities (profusion) and pleural abnormalities classified according to the ilo classification of pneumoconioses with some modifications. ## Methods: Chest radiogr