Abstract
A large-scale fluorescence measurement captured by non-contact fluorescence molecular tomography imaging system is utilized to reconstruct the three-dimensional distribution of fluorescent probe in small animals. However, this makes the computational burden heavier and restricts the capacity of this technique. In general, the extracting area of interest is a universal method of increasing the effectiveness of the reconstruction. Hence, this study proposed permissible region extraction strategy by means of the node with the maximum energy at each projection. Simulation experiment and physical experiment demonstrated that the presented method can provide high-graded images at a shorter time cost. Furthermore, the stability of this method deserves investigation even under quite ill-posed conditions.
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Abbreviations
- FMT:
-
Fluorescence molecular tomography
- PR:
-
Permissible region
- PCA:
-
Principal component analysis
- SPECT:
-
Single-photon emission computed tomography
- CLT:
-
Cerenkov luminescence tomography
- PCCT:
-
Phase-contrast X-ray computed tomography
- RTE:
-
Radiative transfer equation
- DE:
-
Diffuse equation
- FEM:
-
Finite element method
- LE:
-
Location errors
- nRMSE:
-
Normalized root-mean-square error
- IVTCG:
-
Incomplete variables truncated conjugate gradient
- CGLS:
-
Conjugate gradient least squares
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Acknowledgements
This work was supported by the National Natural Science Foundation of China under Grant (Nos. 11571012, 2016JM6025); China Postdoctoral Science Foundation under Grant (Nos. 2016M602851); Shaanxi Provincial Education Department under Grant (Nos. 2018JQ6099); Industrialization Project of Shaanxi Education Department under Grant (Nos. 16JF026, 17JF027).
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Jiao, P., Yi, H., Hu, Y. et al. A permissible region strategy for fluorescence molecular tomography. Opt Rev 26, 523–530 (2019). https://doi.org/10.1007/s10043-019-00520-8
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DOI: https://doi.org/10.1007/s10043-019-00520-8