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Estimation for Two-Dimensional Nonsymmetric Coherently Distributed Source in L-Shaped Arrays

Tao Wu, Zhenghong Deng, Qingyue Gu, Jiwei Xu • International Journal of Antennas and Propagation (2018)

We explore the estimation of a two-dimensional (2D) nonsymmetric coherently distributed (CD) source using L-shaped arrays. Compared with a symmetric source, the modeling and estimation of a nonsymmetric source are more practical. A nonsymme...

DOAJ Open Access (DOAJ) DOI: 10.1155/2018/5247919

Motion-Compensated PET Image Reconstruction via Separable Parabolic Surrogates

Nicholas E. Protonotarios, George A. Kastis, Andreas D. Fotopoulos, Andreas G. Tzakos et al. • Mathematics (2022)

The effective resolution of positron emission tomography (PET) can be significantly degraded by patient motion during data acquisition. This is especially true in the thorax due to respiratory motion. This study concentrates on the improvem...

DOAJ Open Access (DOAJ) DOI: 10.3390/math11010055