K. Shagrithaya, K. Kepa, and P. Athanas, Enabling development of OpenCL applications on FPGA platforms, 2013 IEEE 24th International Conference on Application-Specific Systems, Architectures and Processors, 2013.
DOI : 10.1109/ASAP.2013.6567546
URL : https://vtechworks.lib.vt.edu/bitstream/10919/34669/1/Shagrithaya_KS_T_2012.pdf

H. Lu, J. Cheng, G. Han, L. Li, and Z. Liang, 3D distance-weighted Wiener filter for Poisson noise reduction in sinogram space for SPECT imaging, Medical Imaging 2001: Physics of Medical Imaging, 2001.
DOI : 10.1117/12.430936