General Information
    • ISSN: 2010-0221 (Print)
    • Abbreviated Title: Int. J. Chem. Eng. Appl.
    • Frequency: Quarterly
    • DOI: 10.18178/IJCEA
    • Editor-in-Chief: Prof. Dr. Shen-Ming Chen
    • Executive Editor: Jennifer X. Zeng
    • Abstracting/ Indexing: Chemical Abstracts Services (CAS), Ulrich's Periodicals Directory, CABI, Electronic Journals Library, Google Scholar, ProQuest,  Crossref, EBSCO, CNKI.
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Prof. Dr. Shen-Ming Chen
National Taipei University of Technology, Taiwan

IJCEA 2013 Vol.4(4): 213-216 ISSN: 2010-0221
DOI: 10.7763/IJCEA.2013.V4.297

Wiener Filter Used in the EBT2 Film for Radiation Therapy

Liyun Chang
Abstract—EBT2 film has been widely used in the dosimetry application of radiation therapy with lots of benefits especially its self-development, water equivalent, energy independent and high spatial resolution. However, the higher inhomogeneity between the pixels of EBT2 image, needed to be averaged out according to the traditional method, but it could sacrifice the spatial resolution. The Wiener filter technique was introduced in this paper. The EBT2 film was calibrated by using the PDD method and the film calculate doses were compared with the measurement doses by the edge detector with the water phantom. The results demonstrate that the Wiener filter technique has higher accuracy than the traditional method and it would not sacrifice the high spatial resolution of EBT2 film. This method can also be applied to all the quality assurances of treatment planning of radiationtherapy by using EBT2 film.

Index Terms—Wiener filter, EBT2 film, radiation therapy

L. Chang is with the Department of Medical Imaging and Radiological Sciences, I-Shou University, Kaohsiung, Taiwan (e-mail: cliyun@


Cite:Liyun Chang, "Wiener Filter Used in the EBT2 Film for Radiation Therapy," International Journal of Chemical Engineering and Applications vol. 4, no. 4 pp. 213-216, 2013.

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