Indian Journal of Science and Technology
DOI: 10.17485/ijst/2016/v9iS1/109898
Year: 2016, Volume: 9, Issue: Special Issue 1, Pages: 1-5
Original Article
Joon-Koo Choi1 , Gha-Jung Kim1 , Dong-Hee Hong1 *, Hyeong-Gyun Kim1 and Dong-Kyoon Han2
1Department of Radiological Science, Far East University,76-32, Daehak-gil, Gamgok-myeon, Eumsung-gun, Chungcheongbuk-do, jk2434/27601, Korea; [email protected]
[email protected]
[email protected]
[email protected]
2 Department of Radiological Science, Eul Ji University, 553, Sanseong-dareo, Sujeong-gu, Seongnam-si, Gyeonggi-do, dk6298/13135, Korea; [email protected]
*Author for correspondence
Dong-Hee Hong
Department of Radiological Science
Email:[email protected]
Objectives: The digital radiography image shows contrast by the difference between pixel values created in accordance with absorbance difference of transmitted X-ray to object. The purpose of this study is to propose the need of standardization of pixel value representation in digital radiography image. Methods/Statistical Analysis: The unprocessed images and processed images are obtained through various types of X-ray equipment and analyzed pixel values. Findings: As the result of pixel value analysis, the unprocessed images represented pixel values in accordance with X-ray signal intensity while processed images represented pixel values in accordance with gray scale. Improvements/Applications: In order to understand the relationship between radiation dose and pixel value in digital radiography image, the pixel value representation which reflects X-ray signal intensity is necessary.
Keywords: Digital Radiography, Gray Scale, Pixel Value, Signal Intensity
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