| 摘要 |
Methods and apparatus for determining film processor performance. Films for use in radiographic imaging, adapted to evaluate performance of a film processor which develops an image of a structure of interest on the films are provided. The films have exposable areas for radiographically imaging the structure of interest, and test means integrally located on the exposable areas for determining the performance of the processor which develops the radiographic image on the film. Additionally, methods of determining performance of film processors which develop radiographic images of structures of interest on films comprise the steps of shielding a first portion of the film from radiographic imaging of the structure of interest, imaging radiographically the structure of interest on a second portion of the film, impressing a test pattern on the first portion of the film, processing the film to develop the test pattern on the first portion of a film and the radiographic image of the structure of interest on the second portion of the film, and determining the performance of the film processor by visually comparing the test pattern to a control pattern. Methods and apparatus provided in accordance with the present invention eliminate the need for independent calibration of film processors that develop radiographic images on X-ray films and are particularly useful for determining the effect of the film processor on the diagnostic quality of mammograms.
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