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Longitudinal changes in anatomic biomarkers on optical coherence tomography angiography in diabetic retinopathy. [PDF]

open access: yesFront Ophthalmol (Lausanne)
Liu R   +6 more
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Clustering by Finding Average Density

Proceedings of the 2nd International Conference on Artificial Intelligence and Advanced Manufacture, 2020
Density Peak Clustering (DPC) algorithm can get better clustering results of data sets with lower dimensions. However, for the high-dimensional data sets, there are many nodes in the clustering center area; their densities are relatively high and close to each other, so that it is hard to identify the centering node accurately.
Wenkang Huang   +4 more
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Equivalence of Surface Density and Average Directional Density

Mathematics of Operations Research, 1984
The average directional density criteria for evaluating tilings is shown to be equivalent to surface density and valid for random broken paths just as for straight paths.
B. Curtis Eaves, James A. Yorke
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The average electron momentum density and rigorous bounds to average electron densities for atoms and molecules

Chemical Physics Letters, 1986
Abstract The average electron density in momentum space, viz. 〈γ〉, where γ(p) is the electron momentum density, is defined and shown to be experimentally measureable. The connection is obtained via the relation 8π3〈γ〉 = ∝B2(s) ds, where B(s) is reciprocal form factor. The approximate relationships 〈p〉 = 2 〈r3〉/3π2 and 〈γ〉 = 2 〈r3〉/3π2 have been phase
Shridhar R. Gadre, Subhas J. Chakravorty
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Average Intersection and Pivoting Densities

SIAM Journal on Numerical Analysis, 1987
To follow a path in \({\mathbb{R}}^ N\), defined by N-1 (nonlinear) equations \(f(x)=0\), an attractive approach is to decompose \({\mathbb{R}}^ N\) into simplices and to approximate f by a piecewise linear function \(\hat f\) for which this path becomes a broken line.
openaire   +2 more sources

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