Light equalization radiography.
An electro-optical, photographic dodging technique, called light equalization radiography (LER), has been developed. The use of LER extends the dynamic range of radiographic film by enhancing the film contrast in the "toe" region of a radiographic film. Contrast recorded above some predetermined optical density is unaffected. The use of LER permits high-contrast films to be used in radiographic exams where low-contrast, "latitude" film types have been used traditionally, e.g., in chest radiography.
Kruger
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Innovative Imaging Sciences, Inc., Salt Lake City, Utah 84106.
Reinecke
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Power
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D006801:Humans; D008027:Light; D011859:Radiography / Q000379:methods*; D013902:Radiography, Thoracic; D013679:Technology, Radiologic