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Cone-beam Reconstruction using Limited EPID Projections for Seeds Localization

Chang J, Jung WK, Park SH, Cheong KH, Suh TS

  • KMID: 1482435
  • Korean J Med Phys.
  • 2008 Sep;19(3):186-190.
In this study, we describe the preliminary application for the delineation of a metal object using cone-beam reconstruction (CBR) based on limited electronic portal imaging device (EPID) projections. A typical...
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Radiation Dose Calculation in the Surrounding Organs during Brachytherapy of Prostate Cancer

Kim J, Lim C, Whang J

  • KMID: 1482433
  • Korean J Med Phys.
  • 2008 Sep;19(3):172-177.
As a part of estimating quantitative radiation treatment doses, we produced a mathematical phantom based on the standard Korean male. Then, with the prostate as the source organ, we calculated...
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Image Enhancement and Clinical Evaluation in Digital Chest Radiography

Kim SH, Suh TS, Choe BY, Lee HK

  • KMID: 1482429
  • Korean J Med Phys.
  • 2008 Sep;19(3):143-149.
The aim of this study is to suggest the method for image enhancement of digital chest radiograph and evaluate clinically the quality of the resultant image. A nonlinear iterative filter...
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Contrast Enhancement for X-ray Images Based on Combined Enhancement of Scaling and Wavelet Coefficients

Park CJ, Kim DI, Jang DY, Yoon HB, Choe BY, Kim HK, Lee HK

  • KMID: 1482430
  • Korean J Med Phys.
  • 2008 Sep;19(3):150-156.
An applied technique of contrast enhancement for X-ray image is proposed which is based on combined enhancement of scaling and wavelet coefficients in discrete wavelet transform space. Conventional contrast enhancement...
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Analysis of Low MU Characteristics of Siemens Primus Linear Accelerator using Diode Arrays for IMRT QA

Kim J, Lee R, Lee KJ

  • KMID: 1482432
  • Korean J Med Phys.
  • 2008 Sep;19(3):164-171.
One of the most important task in commissioning intensity modulated radiotherapy (IMRT) into a clinic is the characterization of dosimetry performance under small monitor unit delivery conditions. In this study,...
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A Study of Energy Dependency in Intensity Modulated Radiation Therapy of Lung Cancer

Kim SK, Kim MS, Yun SM

  • KMID: 1482436
  • Korean J Med Phys.
  • 2008 Sep;19(3):191-199.
PTV considered for the energy, dose distribution exposed to lung and spinal cord, and the characteristic of DVH (Dose Volume Histogram) were compared and investigated by planning the intensity modulated...
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Comparison of Retinal Waveform between Normal and rd/rd Mouse

Ye JH, Seo JH, Goo YS

  • KMID: 1482431
  • Korean J Med Phys.
  • 2008 Sep;19(3):157-163.
Retinal prosthesis is regarded as the most feasible method for the blind caused by retinal diseases such as retinitis pigmentosa or age-related macular degeneration. One of the prerequisites for the...
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Evaluation of Automatic Image Segmentation for 3D Volume Measurement of Liver and Spleen Based on 3D Region-growing Algorithm using Animal Phantom

Kim JS, Cho JS, Shin KS, Kim JH, Jeon H, Cho G

  • KMID: 1482434
  • Korean J Med Phys.
  • 2008 Sep;19(3):178-185.
Living donor liver transplantation is increasingly performed as an alternative to cadaveric transplantation. Preoperative screening of the donor candidates is very important. The quality, size, and vascular and biliary anatomy...
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