Applications of Uncertainty Analysis to Visual Evaluation of Density in Radiographs
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概要
- 論文の詳細を見る
Uncertainty analysis, developed as a method of absolute judgment in psychology, is applied to a method of radiographic image evaluation with perceptual fluctuations and to an examination of visual evaluation of density in radiographs. Subjects are composed of three groups of four neurosurgeons, four radiologic technologists and four nonprofessionals. By using a fivecategory rating scale, each observer is directed to classify 255 radiographs randomly presented without feedback. Characteristics of each observer and each group can be shown quantitatively by calculated information values. It is also described that bivariate uncertainty analysis or entropy method can be used to calculate the degree of agreement of evaluation.
- 社団法人応用物理学会の論文
- 1981-03-05
著者
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Fujita Hiroshi
Department Of Cardiology Kyoto Second Red Cross Hospital
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Uchida Suguru
Department Of Electrical Engineering Faculty Of Engineering Gifu University
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OHTSUKA Akiyoshi
Department of Radiology, Yamaguchi University Hospital
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Ohtsuka Akiyoshi
Department Of Radiology Yamaguchi University Hospital
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Fujita Hiroshi
Department Of Applied Physics Faculty Of Engineering University Of Tokyo
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