Peijun Chen, Peng Feng, Weiwen Wu, Xiaochuan Wu, Xiang Fu, Biao Wei, Peng He. Material Discrimination by Multi-Spectral CT Based on Image Total Variation and Tensor Dictionary[J]. Acta Optica Sinica, 2018, 38(11): 1111002
- Acta Optica Sinica
- Vol. 38, Issue 11, 1111002 (2018)
Fig. 1. Mouse thorax phantom after addition of iodine contrast agent (first channel)
Fig. 2. Image reconstruction results of mouse thorax phantom by different algorithms in different energy channels
Fig. 3. Quantitative evaluation of image reconstruction results of mouse thorax phantom. (a) RMSE; (b) SSIM; (c) FSIM
Fig. 4. Mean values and corresponding relative biases of linear attenuation coefficient for iodine contrast agent, soft issue and bone. (a)(d) Iodine contrast agent; (b)(e) soft issue; (c)(f) bone
Fig. 5. Material decomposition of reconstruction results obtained by different algorithms. (a) Bone; (b) soft issue; (c) iodine contrast agent; (d) color images after blending
Fig. 6. Convergence of average RMSE
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