Key Fundings：

1. National Key Research and Development Program of China (2016-2021), Grant No: 2016YFA0202003, Research on Tomographic Image Based on Planar X-ray Source and Detector.
2. The National High Technology Research and Development Program of China (“863 Project” Key Program, 1997-1999, Medical X ray Digital Image Processing System, Grant No: 863-306-06-06.

National Natural Science Foundation of China ：

1. National Natural Science Foundation of China (2021-2024), Grant No: 62071375, Image Quality Assessment(IQA) Guided Iterative CT Reconstruction.
2. National Natural Science Foundation of China (2016-2019), Grant No: 61571359, Research on Dynamic Cone Beam CT Reconstruction.
3. National Natural Science Foundation of China (2012-2015), Grant No: 61172163, Dictionary Learning Based Statistical Reconstruction for CT with Incomplete Projection Data.
4. National Natural Science Foundation of China (2010-2012), Research on Perceptual Model of Image Quality, Grant No: 90920003.
5. National Natural Science Foundation of China (2006-2008), Projection Data Simulation and Linearity Correction for Polyenergetic XCT, Grant No: 60551003.
6. National Natural Science Foundation of China (2005-2007), Medical X ray Optimal Exposure Control based on computing modeling, Grant No: 60472004.
7. National Natural Science Foundation of China (2001-2003), 3D Vessel Reconstruction Based on Vessel Branch Model and Rotational X-ray Imaging, Grant No: 30070225.

863 Programs：

1. The National High Technology Research and Development Program of China (“863 Project” Program, 2001-2003), Medical X-ray Digital Imaging System with Adaptive Exposure Control Technique, Grant No: 2001AA114152.
2. The National High Technology Research and Development Program of China (“863 Project” Program, 1999-2000), Frame Store with Anti blurring Recursive Filtration, Grant No: 863-306-ZT04-06-5.
3. The National High Technology Research and Development Program of China (“863 Project” Program, 1997-1998, Frame Store with Recursive Filtration, Grant No: 863-306-04-03-07.

Fundings from the Ministry of Education of China ：

1. Research Fund for the Doctoral Program of Higher Education of China (2012-2014), Dictionary Learning Based CT Reconstruction for Incomplete Projections, Grant No: 20110201110011.
2. Research Fund for the Doctoral Program of Higher Education of China (2007-2009), Quantitative X-ray CT reconstruction method from one rotational projection, Grant No: 20060698040.
3. Program for New Century Excellent Talents in University (2005), Research on Helgasson Ludwig Consistency and Correction Method of CT Projection Data.
4. The Key Foundation by the Ministry of Education (2006-2008), Dual-energy Imaging, Its Physical Model and Characteristic Analysis, Grant No: 106143.
5. Foundation for University Key Teacher by the Ministry of Education (2000-2001), Study on 3D Vessel Reconstruction.