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KMID : 0357520070300040329
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Journal of Radiological Science and Technology
2007 Volume.30 No. 4 p.329 ~ p.334
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Research About Filter Association and Clinical Effect Noise Reduction of Digital Medical Imaging System
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Min Jung-Whan
Kim Jung-Min
Jung Hea-Won
Ok Chi-Il
Kim Jung-Min
Jeong Hea-Won
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Abstract
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This paper is for investigation of the noise reduction effect all 20 filters by combining Low Pass Filter(LPF) 5 kinds, High Pass Filter(HPF) 4 kinds, Median Filter(MF) 11 kinds. Noise is added to reduce noise and minimize the quality degradation in medical imaging system. We also compared Peak Signal to Noise Ratio(PSNR), Mean Square Error(MSE) for all the combinations of different filters. As a result, noise decrease appeared in the LPF3*3#1 + HPF3*3#1 + Vertical3*1 of highest filter. We confirmed noise reduction effect by applying the proposed filter combination in many fields of medical imaging applications.
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KEYWORD
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Digital Image, Noise, Peak Signal to Noise Ratio(PSNR), Mean Square Error(MSE)
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