Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Hoi Woun Jeong"'
Publikováno v:
Journal of Radiological Science and Technology. 38:375-381
Autor:
Soon Yong Son, Jae Yong Jung, Hoi Woun Jeong, Bo Young Choe, In Seok Choi, Jungmin Kim, Jae Hong Jung, Jung Whan Min, Ki Won Kim, Geum Mun Back
Publikováno v:
Journal of the Korean Physical Society. 65:1969-1975
The modulation transfer function (MTF) must be measured against the requirements of the specific digital imaging application under consideration in order to evaluate the performance of detector equipment and to further develop the detector by perform
Autor:
Bo Young Choe, Wha Sun Kim, Ham Gyum Kim, Hoi Woun Jeong, Jeong Woo Lee, Ki Won Kim, Jung Whan Min, Soon Yong Son, Kwang Yeul Lyu, Jungmin Kim
Publikováno v:
Journal of the Korean Physical Society. 65:1976-1984
Regular quality assurance (QA) of image quality is essential for reasonable patient dose and accurate treatment. Thus, QA should be performed as a routine for correction. The purpose of this study was to evaluate the modulation transfer function (MTF
Publikováno v:
Journal of the Korea Academia-Industrial cooperation Society. 15:3734-3740
The aim of this study was provide basic information and establish the criteria in radiation therapy planningby measuring the absorbed neutron dose of normal tissues and lesions according to the number of portals. From September 2013 to January 2014,
Autor:
Sang-Young Kim, Bo Young Choe, Youl Hun Seoung, Do-Wan Lee, Jungmin Kim, Hoi Woun Jeong, In Seok Choi, Jung Whan Min, Soon Yong Son, Ki Won Kim
Publikováno v:
Journal of the Korean Physical Society. 64:732-739
In megavoltage X-ray imaging (MVI), computed radiography (CR) has required a very simple and general quality assurance (QA) method based on a radiotherapy imaging technique. The purpose of this study was to develop a general QA method for evaluating
Autor:
Soon-Yong Son, Jae-Hong Jung, Jung-Whan Min, Kwan-Woo Choi, Jin-Hyun Son, Hoi-Woun Jeong, Ki-Won Kim
Publikováno v:
Journal of the Korea Academia-Industrial cooperation Society. 14:4429-4436
Measurements of CNR(Contrast to Noise Ratio) and SNR(Signal to Noise Ratio) of T-spine breathing technique (TBT) using spontaneous breathing and T-spine exhalation technique (TET) with full exhalation were carried out, and with which the more appropr
Comparison of noise power spectrum methodologies in measurements by using megavoltage X-ray energies
Autor:
Sang-Young Kim, Jung Whan Min, Jung Min Kim, Bo Young Choe, Ho Kyung Kim, Jae Yong Jung, Jin Hyun Son, Youl Hun Seoung, Do-Wan Lee, Hoi Woun Jeong, Tae Suk Suh, Soon Yong Son
Publikováno v:
Journal of the Korean Physical Society. 60:129-136
The noise power spectrum (NPS) is one of the most general methods for measuring the noise amplitude and the quality of an image acquired from a uniform radiation field. The purpose of this study was to compare different NPS methodologies by using meg
Publikováno v:
Radiation protection dosimetry. 153(1)
With the introduction of digital radiography, patients undergoing radiographic procedures are subject to being overexposed to radiation. Therefore, it is necessary to estimate the absorbed organ dose and the effective dose, which are significant for