Výsledky vyhledávání - "Stefanov Simeon"

Akademický článek

Noise Generation Methods Preserving Image Color Intensity Distributions

Autor: Totev Tsvetalin, Bocheva Nadejda, Stefanov Simeon, Mihaylova Milena Slavcheva

Publikováno v: Cybernetics and Information Technologies, Vol 22, Iss 3, Pp 111-126 (2022)

In many visual perception studies, external visual noise is used as a methodology to broaden the understanding of information processing of visual stimuli. The underlying assumption is that two sources of noise limit sensory processing: the external

Externí odkaz: https://doaj.org/article/51e5a64cac4e450eada4d66acf2a6074

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Counting fixed points free vector fields on $\mathbb{B}^{2}$

Autor: Stefanov, Simeon T.

The number of diagrams of stationary points free vector fields in the 2-disk $\mathbb{B}^{2}$ is counted in the article. It is shown that the number of such diagrams with $2k$ exceptional points on the boundary $\mathbb{S}^{1}$ equals $3^{k-2}(C_{k}+

Externí odkaz: http://arxiv.org/abs/1807.03714

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