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1 May 1991 Removing vertical lines generated when x-ray images are digitized
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A film digitizer is used when X-ray images are entered in the PACS. Dust adhering to the film causes white vertical lines on the readout image displayed on the screen. Once generated, the lines will appear on all subsequent readout film images. These white lines must be removed because they adversely affect CRT diagnosis. This paper shows why vertical lines are generated and describes how these lines are suppressed and effects on aliasing caused when a film radiographed using grid is read by the digitizer.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yoshiro Oyama, Yuichiro Tani, Naoshi Shigemura, Toshio Abe, Koyo Matsuda, Shigeto Kubota, and Takashi Inami "Removing vertical lines generated when x-ray images are digitized", Proc. SPIE 1444, Medical Imaging V: Image Capture, Formatting, and Display, (1 May 1991);

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