Explanipedia

A Hybrid MPPT algorithm based on trisection search and IPSO Open

Yulun Wu, Lidong Liu · 2025

Joint Beam-Forming Optimization for Active-RIS-Assisted Internet-of-Things Networks with SWIPT Open

Lidong Liu, Shidang Li, Mingsheng Wei, Jinsong Xu, Bencheng Yu · 2024

Network energy resources are limited in communication systems, which may cause energy shortages in mobile devices at the user end. Active Reconfigurable Intelligent Surfaces (A-RIS) not only have phase modulation properties but also enhanc…

Research on the Flip Teaching Practice of Cloud Computing Technology Open

Yantao He, Sijia Liu, Lidong Liu, Yifan Lin · 2023

The teaching process of the traditional cloud computing technology course is mainly taught by teachers, students lack a sense of classroom participation and after-class reflection, and the course assessment method is lack of standardizatio…

Optimization of Briquette Fuels by Co-Torrefaction of Residual Biomass and Plastic Waste Using Response Surface Methodology Open

Shuai Guo, Lidong Liu, Deng Zhao, Chenchen Zhao, Xingcan Li , et al. · 2023

Combining biomass, a clean and renewable energy source, with waste plastic, which serves as a good auxiliary fuel, can produce high-quality clean fuel. The performance of biomass-derived fuel can be improved by torrefaction. This study opt…

A Review of Development of Natural Gas Engines Open

Lidong Liu, Mengli Zhang, Zhengbai Liu · 2023

Review A Review of Development of Natural Gas Engines Lidong Liu 1, Mengli Zhang 1, and Zhengbai Liu 2, * 1 College of Automobile and Traffic Engineering, Liaoning University of Technology, Jinzhou 121001, China 2 School of Innovation and …

A Systematic Classification Method for Grassland Community Division Using China’s ZY1-02D Hyperspectral Observations Open

Dandan Wei, Kai Liu, Chenchao Xiao, Weiwei Sun, Weiwei Liu , et al. · 2022

The main feature of grassland degradation is the change in the vegetation community structure. Hyperspectral-based grassland community identification is the basis and a prerequisite for large-area high-precision grassland degradation monit…

Post-Graduate Geographical Education in China: Can Talents Meet the Need of Sustainable Development? Open

Renfeng Ma, Yuxian Cheng, Lidong Liu, Ruolan Xiao, Xinyi Su , et al. · 2022

As widely acknowledged and targeted in Transforming Our World: The 2030 Agenda for Sustainable Development, talents education and training is an important measure to systematically solve the problem of economically, societally, resource, a…

Image encryption algorithm for crowd data based on a new hyperchaotic system and Bernstein polynomial Open

Donghua Jiang, Lidong Liu, Xingyuan Wang, Xianwei Rong · 2021

A new two‐dimensional chaotic system in the form of a cascade structure is designed, which is derived from the Chebyshev system and the infinite collapse system. Performance analysis including trajectory, Lyapunov exponent and approximate …

Double-Image Visually Meaningful Encryption Algorithm Based on Compressed Sensing and Frft Embedding Open

Donghua Jiang, Lidong Liu, Liya Zhu, Xingyuan Wang, Yingpin Chen , et al. · 2021

The transmission of images via the Internet has grown exponentially in the past few decades. However, the Internet considered as an insecure method of information transmission may cause serious privacy issues. In order to overcome such pot…

A Novel Double-Image Encryption Algorithm Based on Rossler Hyperchaotic System and Compressive Sensing Open

Wei Huang, Donghua Jiang, Yisheng An, Lidong Liu, Xingyuan Wang · 2021

In this paper, a novel double-image compression-encryption algorithm is proposed by combining Rossler hyperchaos and compressive sensing. In the proposed scheme, the sparse matrixes obtained by performing two-dimensional discrete wavelet t…

A Plaintext-Related Dynamical Image Encryption Algorithm Based on Permutation-Combination-Diffusion Architecture Open

Lidong Liu, Donghua Jiang, Tingyu An, Yifan Guan · 2020

In this paper, a novel high security plaintext-related dynamical image encryption algorithm is proposed. Compared with the classical permutation-diffusion encryption architecture, we add the combination operation before the diffusion, whic…

A Dynamic Triple-Image Encryption Scheme Based on Chaos, S-Box and Image Compressing Open

Lidong Liu, Donghua Jiang, Xingyuan Wang, Linlin Zhang, Xianwei Rong · 2020

To guarantee the security and high-efficiency of image transmission, a novel triple-image encryption scheme based on chaotic system, S-box and image compressing is proposed in this paper. Firstly, the combination process is performed by co…

An Image Encryption Scheme Based on Hyper Chaotic System and DNA With Fixed Secret Keys Open

Lidong Liu, Dan Wang, Yuhang Lei · 2020

A novel image encryption scheme combining the 5D hyper chaotic system and DNA technology is proposed in this paper. The proposed scheme is related to the plaintext and external secret key, which does not need to manage the huge amounts of …

A Fast Chaotic Image Encryption Scheme With Simultaneous Permutation-Diffusion Operation Open

Lidong Liu, Yuhang Lei, Dan Wang · 2020

In this paper, a secure and fast chaotic image encryption scheme with simultaneous permutation-diffusion operation is proposed. We combine permutation and diffusion processes into a whole, namely, simultaneous permutation and diffusion ope…

A Simultaneous Scrambling and Diffusion Color Image Encryption Algorithm Based on Hopfield Chaotic Neural Network Open

Lidong Liu, Linlin Zhang, Donghua Jiang, Yifan Guan, Zhaolun Zhang · 2019

The classic scrambling-diffusion structure for image encryption is vulnerable to be attacked. The scrambling and diffusion process can be cracked separately due to the two processes are independent. In this paper, we proposed a novel color…

Cryptanalysis and Improvement in a Plaintext-Related Image Encryption Scheme Based on Hyper Chaos Open

Lidong Liu, Zhaolun Zhang, Ruijie Chen · 2019

Recently, a plaintext-related image encryption scheme based on a hyper-chaotic system has been proposed by Li et al. In their encryption scheme, the permutation process is related to the sum of plaintext pixel values, and the diffusion pro…

Major project risk assessment method based on BP neural network Open

Lidong Liu, Fajie Wei, Shenghan Zhou · 2018

In order to prevent risks in major projects, it is of great importance to accurately assess risks in advance. Therefore, in this paper, we propose a novel major project risk assessment method with the BP neural network model. Firstly, we p…

High‐efficiency and noise‐robust DCSK approach based on an analytically solvable chaotic oscillator Open

Lidong Liu, Yi Li, Zhaolun Zhang, Huansheng Song, Zhao Jin · 2018

A novel high‐efficiency and noise‐robust differential chaos shift keying (DCSK) communication approach based on an analytically solvable chaotic oscillator (ASCO) is proposed. Due to the special characteristic of the ASCO that provides pre…

Research on Suppliers' Performance Clustering Method with the Contracts Evaluation Data Open

Lidong Liu, Wengbing Chang, Shenghan Zhou · 2017

this paper proposed suppliers' performance clustering method with the re-analysis on contracts evaluation data.The study summarizes the basic definitions of the equipment manufacturing industry evaluation methods.Then the k-means clusterin…

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