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Cardinal - Astrophysics Data System

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Last Updated: 27 July 2022

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Fusion of Finite-Set Distributions: Pointwise Consistency and Global Cardinality

A new trend in distributed multi-sensor fusion is to use random finite set filters at the sensor nodes and fuse the filtered distributions algorithmically using their exponential mixture densities. We discuss the variational model under EMDs in this paper, showing that the EMDs of finite set distributions do not necessarily result in a fusion of cardinality distributions in a continuous manner. We show that pointwise consistency of EMDs does not imply certainty in global cardinality and vice versa.

Source link: https://ui.adsabs.harvard.edu/abs/2019ITAES..55.2759U/abstract


Accountable Private Set Cardinality for Distributed Measurement

We've developed cryptographic tools for quickly and efficiently computing the cardinality of set union and set intersection. Our private set-cardinality protocols are specifically developed for the setting in which a large number of participants in a distributed system conducts experiments, and a small group of parties with more resources and higher reliability aggregates the findings. PSC allows for safe and useful statistics data analysis in privacy-preserving distributed networks. We demonstrate the legitimacy and stability of PSC in the Universal Composability framework against an emerging competitor that compromises only one of the aggregating sides. PSC also stops adaptive deterioration of the data parties from revealing previous findings, which stops them from being victims of targeted exploitation, and we can guarantee reliable measurements by making outputs differently private. We present a proof-of-concept version of PSC, as well as a graphical display to show that PSC operates with little computational overhead and high bandwidth.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220615068F/abstract


A hybrid level-based learning swarm algorithm with mutation operator for solving large-scale cardinality-constrained portfolio optimization problems

We present a mixed version of the level-based learning swarm optimizer for large-scale portfolio optimization challenges in this publication. The outstanding results of the envisioned solver in terms of exploration capabilities and solution quality were highlighted by Then's comparison with other LLSO algorithm variants and two state-of-the-art swarm optimizers. Also, we examine the effectiveness of the portfolio allocation scheme over the past five years using an investment pool of 1119 constituents from the MSCI World Index.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220614760K/abstract


Multiple Fairness and Cardinality constraints for Students-Topics Grouping Problem

Student students are often divided into subject-specific groups based on their interests, making group work a common activity in educational settings, where students are often divided into subject-specific groups based on their interests. Generally, the resulting groups should be balanced in terms of protected characteristics such as gender or race, since studies show that students can learn more in a diverse community. We present a multi-fair capacitated grouping issue that effectively divides students into non-overlapping groups, while still ensuring balanced group cardinalities and maximizing member diversity in terms of protected attributes.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220609895L/abstract


Automated Detection of Cardinal Points of ECG Signal for Feature Extraction Using a Single Median Filter

The algorithm uses a single median filter for its operation in artifact elimination as well as the detection of the cardinal points or peak from the clean ECG signal. For both baseline and power line artifact removal procedures, the filter's size is changed. With the same filter, specific portions of the signal, such as QRS complex alongside P and T waves, can also be segregated. For all of the records under scrutiny, the new strategy is capable of finding any of the peaks or cardinal points from the denoised ECG signal.

Source link: https://ui.adsabs.harvard.edu/abs/2022JIEIB.tmp...67P/abstract


High-Cardinality Geometrical Constellation Shaping for the Nonlinear Fibre Channel

This paper discusses design techniques for highly effective optimization of geometrically formed constellations in optical communications, maximizing data throughput. Both 2 and 4 dimensions are shown, with generalised mutual information within 0. 06 bits/2Dsymbol of additive white Gaussian noise channel capacity capacity. In addition, a design algorithm that reduces the design computation time from days to minutes is introduced, enabling the delivery of optimized constellations for both linear AWGN and nonlinear fibre channels with a wide variety of signal-to-noise ratios.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220504391S/abstract

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions