Results 221 to 230 of about 2,113,538 (360)

Secure edge-guided adaptive image steganography using HED-based attention maps and CNN. [PDF]

open access: yesSci Rep
Alrawashdeh R   +4 more
europepmc   +1 more source

The Tension Field of the Gauss Map [PDF]

open access: yesTransactions of the American Mathematical Society, 1970
Ruh, E. A., Vilms, J.
openaire   +2 more sources

Nonparametric Detection of a Time‐Varying Mean

open access: yesJournal of Time Series Analysis, EarlyView.
ABSTRACT We propose a nonparametric portmanteau test for detecting changes in the unconditional mean of a univariate time series which may display either long or short memory. Our approach is designed to have power against, among other things, cases where the mean component of the series displays abrupt level shifts, deterministic trending behaviour ...
Fabrizio Iacone, A. M. Robert Taylor
wiley   +1 more source

Internal 3D temperature mapping in biological systems using ratiometric light-sheet imaging and lipid-coated upconversion nanothermometers. [PDF]

open access: yesBeilstein J Nanotechnol
Barron-Ortiz D   +7 more
europepmc   +1 more source

Robust Bernoulli Mixture Models for Credit Portfolio Risk

open access: yesMathematical Finance, EarlyView.
ABSTRACT This paper presents comparison results and establishes risk bounds for credit portfolios within classes of Bernoulli mixture models, assuming conditionally independent defaults that are stochastically increasing in a common risk factor. We provide simple and interpretable conditions on conditional default probabilities that imply a comparison ...
Jonathan Ansari, Eva Lütkebohmert
wiley   +1 more source

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