نتایج جستجو برای: successive projections algorithm
تعداد نتایج: 830484 فیلتر نتایج به سال:
Three successive stages in the representations of the visual image are studied by computations from the best available data. The results are embodied in projections, drawn automatically. These projections are related to the assessment of visual disability and the dimensions of lesions in the retina and visual pathway. Fields can be assessed visually with the aid of graticules or directly during...
This paper presents an efficient algorithm to solve total variation (TV) regularizations of images contaminated by a both blur and noise. The unconstrained structure of the problem suggests that one can solve a constrained optimization problem by transforming the original unconstrained minimization problem to an equivalent constrained minimization one. An augmented Lagrangian method is develope...
Health risks management such as epidemics study produces large quantity of spatio-temporal data. The development of new methods able to manage such specific characteristics becomes crucial. To tackle this problem, we define a theoretical framework for extracting spatio-temporal patterns (sequences representing evolution of locations and their neighborhoods over time). Classical frequency suppor...
Dual-energy (DE) imaging of the chest improves the conspicuity of subtle lung nodules through the removal of overlying anatomical noise. Recent work has shown double-shot DE imaging (i.e., successive acquisition of low- and high-energy projections) to provide detective quantum efficiency, spectral separation (and therefore contrast), and radiation dose superior to single-shot DE imaging configu...
Kete Charles Chalermkraivuth, Srinivas Bollapragada, Michael C. Clark, John Deaton, Lynn Kiaer, John P. Murdzek, Walter Neeves, Bernhard J. Scholz, David Toledano General Electric Global Research Center, 1 Research Circle, Schenectady, New York 12309 {[email protected], [email protected], [email protected], [email protected], [email protected], john.murdzek@ge...
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