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KMID : 1151820180120040519
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Journal of the Korean Society of Radiology
2018 Volume.12 No. 4 p.519 ~ p.524
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Application of Wiener filter to Chest CR images
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Choi Seok-Yoon
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Abstract
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Chest examinations and mass chest examinations using the CR(computed radiography) System are frequently used clinically. a factor that degrades image quality in the acquisition process is the use of unused IPs long times. this paper addresses the estimation of winer filter and improved wiener filter to restoration of Chest CR images Experimental results show that the proposed method can reduce noise. in low noise variation image wiener method was excellent than improved method and the result was the opposite at high noise varience. the application of algorithms to chest CR images effectively eliminates noise. the classic Wiener filter was better than the improved method. Multiple patients examined during the process without any erase IP(image plate) process, The proposed algorithm determines that the images can be restored to a good quality and will help to read the images.
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KEYWORD
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CR, IP, noise, PSNR
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