Sinogram Interpolation Method for Sparse-Angle Tomography

Sinogram Interpolation Method for Sparse-Angle Tomography

In sparse-angle X-ray tomography reconstruction, where only a small number of projection images are taken around the object, appropriate sinogram interpolation has a significant impact on image quality. A novel sinogram interpolation method is introduced for extreme sparse tomographic reconstruction where only nine measured projection images are available. The sinogram is interpolated by solvin...

TGV sinogram inpainting for limited angle tomography

X-ray computed tomography (CT) plays a very important role in daily biomedical practice for diagnosis and therapy, and in materials science for accurate data analysis and quality control. Besides accurate and robust image reconstruction, there is a growing interest in methods for limited angle tomography. The idea is to reduce the X-ray dose delivered to patients or to cope with physical angle ...

Constrained sinogram restoration for limited-angle tomography

Artifact Reduction Based on Sinogram Interpolation for the 3D Reconstruction of Nanoparticles Using Electron Tomography

K. Sentosun, Dr. I. Lobato, Dr. E. Bladt, Dr. Y. Zhang, Prof. D. Van Dyck, Prof. S. Bals EMAT-University of Antwerp Groenenborgerlaan 171, B-2020 Antwerp, Belgium E-mail: [email protected] Dr. W. J. Palenstijn, Prof. K. J. Batenburg Centrum Wiskunde and Informatica Scientific Computing Group Science Park 123, NL-1098XG Amsterdam, The Netherlands Prof. K. J. Batenburg Wiskunde en Natuurwet...

Image processing methods for limited angle tomography and sparse angle tomography

The purpose of medical computed tomography (CT) is to generate a three dimensional (3D) model of inner organs based on number of two dimensional (2D) X-ray images taken from different directions around the patient. Clinical CT imaging improves and extends the operational and diagnostic X-ray imaging since it basically adds a new spatial dimension to the data by converting multiple 2D images int...