273 citations · 785 across the 10 of their papers we have counts for
10 papers
IVCR-200K: A Large-Scale Multi-turn Dialogue Benchmark for Interactive Video Corpus Retrieval
Ning Han, Yawen Zeng, Shaohua Long +5
In recent years, significant developments have been made in both video retrieval and video moment retrieval tasks, which respectively retrieve complete videos or moments for a give…
The Graph Structure of Baker's maps Implemented on a Computer
Chengqing Li, Kai Tan
The complex dynamics of baker's map and its variants in an infinite-precision mathematical domain have been extensively analyzed in the past five decades. However, their real struc…
Adjusting Dynamics of Hopfield Neural Network via Time-variant Stimulus
Xuenan Peng, Chengqing Li, Yicheng Zeng +1
As a paradigmatic model for nonlinear dynamics studies, the Hopfield Neural Network (HNN) demonstrates a high susceptibility to external disturbances owing to its intricate structu…
The Graph Structure of Chebyshev Permutation Polynomials over Ring
Chengqing Li, Xiaoxiong Lu, Kai Tan +1
Understanding the underlying graph structure of a nonlinear map over a particular domain is essential in evaluating its potential for real applications. In this paper, we investiga…
Cryptanalyzing an Image Encryption Algorithm Underpinned by 2D Lag-Complex Logistic Map
Chengqing Li, Xianhui Shen, Sheng Liu
This paper analyzes security performance of an image encryption algorithm using 2D lag-complex Logistic map (LCLM), which adopts it as a pseudo-random number generator, and uses th…
Cryptanalyzing two image encryption algorithms based on a first-order time-delay system
Sheng Liu, Chengqing Li, Qiao Hu
Security is a key problem for the transmission, interchange and storage process of multimedia systems and applications. In 2018, M. Li et al. proposed in-depth security analysis on…
Generating Multi-Scroll Chua's Attractors via Simplified Piecewise-Linear Chua's Diode
Ning Wang, Chengqing Li, Han Bao +2
High implementation complexity of multi-scroll circuit is a bottleneck problem in real chaos-based communication. Especially, in multi-scroll Chua's circuit, the simplified impleme…
Cryptanalysis of a Chaotic Image Encryption Algorithm Based on Information Entropy
Chengqing Li, Dongdong Lin, Bingbing Feng +2
Recently, a chaotic image encryption algorithm based on information entropy (IEAIE) was proposed. This paper scrutinizes the security properties of the algorithm and evaluates the…
The Graph Structure of the Generalized Discrete Arnold's Cat Map
Chengqing Li, Kai Tan, Bingbing Feng +1
Chaotic dynamics is an important source for generating pseudorandom binary sequences (PRNS). Much efforts have been devoted to obtaining period distribution of the generalized disc…
Dynamic Analysis of Digital Chaotic Maps via State-Mapping Networks
Chengqing Li, Bingbing Feng, Shujun Li +2
Chaotic dynamics is widely used to design pseudo-random number generators and for other applications such as secure communications and encryption. This paper aims to study the dyna…