A novel method to reduce data acquisition time in differential phase contrast computed tomography using compressed sensing

Progress in Biomedical Optics and Imaging - Proceedings of SPIE

Volumn 7258, Issue , 2009, Pages

  Qi, Zhihua ^a   Zambelli, Joseph ^a   Bevins, Nicholas ^a   Chen, Guang Hong ^a  

^a UNIVERSITY OF WISCONSIN   (United States)

Author keywords

Compressed Sensing; Differential Phase Contrast CT; Filtered Back Projection; Under sampling

Indexed keywords

COMPRESSED SENSING; COMPUTED TOMOGRAPHY; CT IMAGE; DIFFERENTIAL PHASE CONTRAST; DIFFERENTIAL PHASE CONTRAST CT; EXPERIMENTAL DATA; FILTERED BACK-PROJECTION; IMAGE RECONSTRUCTION METHODS; IMAGING METHOD; NOVEL METHODS; PHASE CONTRASTS; PHOTON EFFICIENCY; PROJECTION DATA; RECONSTRUCTION ALGORITHMS; RECONSTRUCTION METHOD; SAMPLED DATA; UNDER-SAMPLING; X-RAY EXPOSURE;

COMPUTERIZED TOMOGRAPHY; IMAGE RECONSTRUCTION; IMAGE RESOLUTION; RESTORATION; X RAY TUBES;

MEDICAL IMAGING;

EID: 66749123144     PISSN: 16057422     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.813861     Document Type: Conference Paper

References (7)

1. F. Pfeiffer, et al. Hard x-ray Phase Tomography with low-brilliance sources. Phys. Rev. Letts., Vol.98:108105(2007).
2. E. J. Candes, J. Romberg, and T. Tao. Robust uncertainty principles: Exact signal reconstruction from highly incomplete frequency information. IEEE Trans. Inf. Theory, Vol.52,489-509(2006).
3. M. A. Anastasio and X. Pan. Region-of-interest imaging in differential phase-contrast tomography. Optics Letters, Vol.32(21), pp. 3167-3169(2007).
4. Z.-F. Huang, et al. Direct computed tomographic reconstruction for directional-derivative projections of computed tomography of diffraction enhanced imaging. Appl. Phys. Letts. Vol.89: 041124(2006).
5. Z. Qi and G.-H. Chen. A local region of interest image reconstruction via filtered backprojection for fan-beam differential phase-contrast computed tomography. Phys. Med. Biol.,Vol. 52, No. 18: 417-423(2007).
6. G.-H. Chen and Z. Qi. Image reconstruction for fan-beam differential phase contrast computed tomography. Phys. Med. Biol., Vol.53, No. 4: 1015-1025(2008).
7. Z. Qi and G.-H. Chen. Direct Fan-Beam Reconstruction Algorithm via Filtered Backprojection for Differential Phase-Contrast Computed Tomography. X-Ray Opt. and Instrum, Vol.2008(2008).