­
­
­
­

Inventi Impact - X-Ray Optics & Instrumentation

Articles

  • Inventi:exoi/14364/14
    STUDY ON CONSTRUCTION OF A MEDICAL X-RAY DIRECT DIGITAL RADIOGRAPHY SYSTEM AND HYBRID PREPROCESSING METHODS
    Yong Ren, Sheng Wu, Mijian Wang, Zhongjie Cen

    We construct a medical X-ray direct digital radiography (DDR) system based on a CCD (charge-coupled devices) camera. For the original images captured from X-ray exposure, computer first executes image flat-field correction and image gamma correction, and then carries out image contrast enhancement. A hybrid image contrast enhancement algorithm which is based on sharp frequency localization-contourlet transform(SFL-CT) and contrast limited adaptive histogramequalization (CLAHE), is proposed and verified by the clinical DDR images. Experimental results show that, for the medical X-ray DDR images, the proposed comprehensive preprocessing algorithm can not only greatly enhance the contrast and detail information, but also improve the resolution capability of DDR system.

    How to Cite this Article
    CC Compliant Citation: Yong Ren, Sheng Wu, Mijian Wang, and Zhongjie Cen, “Study on Construction of a Medical X-Ray Direct Digital Radiography System and Hybrid Preprocessing Methods,” Computational and Mathematical Methods in Medicine, vol. 2014, Article ID 495729, 7 pages, 2014. doi:10.1155/2014/495729. Copyright © 2014 Yong Ren et al. This article is distributed under theCreativeCommonsAttribution License,(http://creativecommons.org/licenses/by/3.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
    Download Full Text