Search Results for author: Wenjun Mei

Found 7 papers, 0 papers with code

DriveDreamer4D: World Models Are Effective Data Machines for 4D Driving Scene Representation

no code implementations17 Oct 2024 Guosheng Zhao, Chaojun Ni, XiaoFeng Wang, Zheng Zhu, Xueyang Zhang, Yida Wang, Guan Huang, Xinze Chen, Boyuan Wang, Youyi Zhang, Wenjun Mei, Xingang Wang

Contemporary sensor simulation methods, such as NeRF and 3DGS, rely predominantly on conditions closely aligned with training data distributions, which are largely confined to forward-driving scenarios.

4D reconstruction Autonomous Driving +1

Convergence Analysis of Weighted-Median Opinion Dynamics with Prejudice

no code implementations4 Aug 2024 Ruichang Zhang, Zhixin Liu, Ge Chen, Wenjun Mei

The Friedkin-Johnsen (FJ) model introduces prejudice into the opinion evolution and has been successfully validated in many practical scenarios; however, due to its weighted average mechanism, only one prejudiced agent can always guide all unprejudiced agents synchronizing to its prejudice under the connected influence network, which may not be in line with some social realities.

The Continuous-Time Weighted-Median Opinion Dynamics

no code implementations25 Apr 2024 Yi Han, Ge Chen, Florian Dörfler, Wenjun Mei

It turns out that the proof methods for the original discrete-time asynchronous model are no longer applicable to the analysis of the continuous-time model.

Evolutionary Games on Networks: Phase Transition, Quasi-equilibrium, and Mathematical Principles

no code implementations26 Apr 2023 Jiangjiang Cheng, Wenjun Mei, Wei Su, Ge Chen

The stable cooperation ratio of spatial evolutionary games has been widely studied using simulations or approximate analysis methods.

Convergence, Consensus and Dissensus in the Weighted-Median Opinion Dynamics

no code implementations17 Dec 2022 Wenjun Mei, Julien M. Hendrickx, Ge Chen, Francesco Bullo, Florian Dörfler

Moreover, we prove a necessary and sufficient graph-theoretic condition for the almost-sure convergence to consensus, as well as a sufficient graph-theoretic condition for almost-sure persistent dissensus.

Structural Balance and Interpersonal Appraisals Dynamics: Beyond All-to-All and Two-Faction Networks

no code implementations18 Dec 2020 Wenjun Mei, Ge Chen, Noah E. Friedkin, Florian Dörfler

structural balance configurations of the appraisal networks.

Social and Information Networks Discrete Mathematics Systems and Control Systems and Control 93-10, 91D30, 68R10

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