Investigation of the accurate measurement of the basic imaging properties for the digital radiographic system based on flat panel detector

R. Katayama, S. Sakai, T. Sakaguchi, T. Maeda, K. Takada, N. Hayabuchi, Junji Morishita

Research output: Contribution to journalArticle

Abstract

PURPOSE/AIM OF THE EXHIBIT: The purpose of this exhibit is: 1. To explain "resampling", an image data processing, performed by the digital radiographic system based on flat panel detector (FPD). 2. To show the influence of "resampling" on the basic imaging properties. 3. To present accurate measurement methods of the basic imaging properties of the FPD system. CONTENT ORGANIZATION: 1. The relationship between the matrix sizes of the output image and the image data acquired on FPD that automatically changes depending on a selected image size (FOV). 2. The explanation of the image data processing of "resampling". 3. The evaluation results of the basic imaging properties of the FPD system using two types of DICOM image to which "resampling" was performed: characteristic curves, presampled MTFs, noise power spectra, detective quantum efficiencies. CONCLUSION/SUMMARY: The major points of the exhibit are as follows: 1. The influence of "resampling" should not be disregarded in the evaluation of the basic imaging properties of the flat panel detector system. 2. It is necessary for the basic imaging properties to be measured by using DICOM image to which no "resampling" is performed.

Original languageEnglish
Pages (from-to)877-878
Number of pages2
JournalNippon Hoshasen Gijutsu Gakkai zasshi
Volume64
Issue number7
Publication statusPublished - Jan 1 2008
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Medicine(all)

Cite this

Investigation of the accurate measurement of the basic imaging properties for the digital radiographic system based on flat panel detector. / Katayama, R.; Sakai, S.; Sakaguchi, T.; Maeda, T.; Takada, K.; Hayabuchi, N.; Morishita, Junji.

In: Nippon Hoshasen Gijutsu Gakkai zasshi, Vol. 64, No. 7, 01.01.2008, p. 877-878.

Research output: Contribution to journalArticle

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AU - Sakai, S.

AU - Sakaguchi, T.

AU - Maeda, T.

AU - Takada, K.

AU - Hayabuchi, N.

AU - Morishita, Junji

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