An approach to positron emission tomography based on penalized cross-entropy minimization - Zhang, Song; Wang, Yuan Mei (Signal processing, 2001)
Keywords: Applied sciences; Cross-entropy; EM algorithm; Exact sciences and technology; Image processing; Information, signal and communications theory; Merit function; Positron emission tomography; Signal processing; Telecommunications and information theory; Positron emission tomography; EM algorithm; Merit function; Cross-entropy; Performance evaluation; Simulation; Iterative method; Kuhn Tucker condition; Minimum entropy methods; Maximum likelihood; Optimization; Image reconstruction