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  • Title: Dynamic range control processing of digital chest images. A clinical evaluation.
    Author: Ikezoe J, Takeuchi N, Kido S, Kondoh H, Johkoh T, Kohno N, Arisawa J, Kozuka T, Tanaka H, Nakajima N, Kato H.
    Journal: Acta Radiol; 1996 Jan; 37(1):107-15. PubMed ID: 8611313.
    Abstract:
    PURPOSE: The clinical usefulness of an advanced image-processing system called "dynamic range control processing" was investigated, with which selected parts of the dynamic range of digital chest images could be controlled. MATERIAL AND METHODS: A comparative study of 3 different post-processed formats of storage phosphor (SR) images was performed in 35 patients with abnormalities in the chest. The 3 formats were SR images with standard mode (SR-standard), SR images with strong edge-enhancement (SR-enhanced), and dynamic range controlled SR images (SR-controlled). RESULTS: For lung abnormalities, there was no difference among the 3 SR image formats. For normal mediastinal structures and lung abnormalities covered by the heart or diaphragm, SR-controlled and SR-enhanced images were significantly superior to SR-standard images, while no difference was found between SR-controlled and SR-enhanced images except for the trachea and bony structures. CONCLUSION: Dynamic range control processing appears to be a useful method for displaying SR chest images with an extremely wide dynamic range.
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