activity
20222025
most citedAbs-CAM: A Gradient Optimization Interpretable Approach for Explanation of Convolutional Neural Networks

3 citations · 15 across the 19 of their papers we have counts for

collaborators

19 papers

cs.CV2025

Mask-Robust Face Verification for Online Learning via YOLOv5 and Residual Networks

Zhifeng Wang, Minghui Wang, Chunyan Zeng +3

In the contemporary landscape, the fusion of information technology and the rapid advancement of artificial intelligence have ushered school education into a transformative phase c…

cs.LG2025

Dynamically Weighted Momentum with Adaptive Step Sizes for Efficient Deep Network Training

Zhifeng Wang, Longlong Li, Chunyan Zeng

Within the current sphere of deep learning research, despite the extensive application of optimization algorithms such as Stochastic Gradient Descent (SGD) and Adaptive Moment Esti…

cs.AI2025

TLCD: A Deep Transfer Learning Framework for Cross-Disciplinary Cognitive Diagnosis

Zhifeng Wang, Meixin Su, Yang Yang +2

Driven by the dual principles of smart education and artificial intelligence technology, the online education model has rapidly emerged as an important component of the education i…

cs.CL2025

A Closed-Loop Personalized Learning Agent Integrating Neural Cognitive Diagnosis, Bounded-Ability Adaptive Testing, and LLM-Driven Feedback

Zhifeng Wang, Xinyue Zheng, Chunyan Zeng

As information technology advances, education is moving from one-size-fits-all instruction toward personalized learning. However, most methods handle modeling, item selection, and…

cs.CY2025★ 1 cited

TLSQKT: A Question-Aware Dual-Channel Transformer for Literacy Tracing from Learning Sequences

Zhifeng Wang, Yaowei Dong, Chunyan Zeng

Knowledge tracing (KT) supports personalized learning by modeling how students' knowledge states evolve over time. However, most KT models emphasize mastery of discrete knowledge c…

cs.SD2024

Mobile Recording Device Recognition Based Cross-Scale and Multi-Level Representation Learning

Chunyan Zeng, Yuhao Zhao, Zhifeng Wang

This paper introduces a modeling approach that employs multi-level global processing, encompassing both short-term frame-level and long-term sample-level feature scales. In the ini…

cs.CE2024★ 1 cited

PhysioFormer: Integrating Multimodal Physiological Signals and Symbolic Regression for Explainable Affective State Prediction

Zhifeng Wang, Wanxuan Wu, Chunyan Zeng

Most affective computing tasks still rely heavily on traditional methods, with few deep learning models applied, particularly in multimodal signal processing. Given the importance…

cs.CV2024★ 2 cited

Multi-Scale Deformable Transformers for Student Learning Behavior Detection in Smart Classroom

Zhifeng Wang, Minghui Wang, Chunyan Zeng +1

The integration of Artificial Intelligence into the modern educational system is rapidly evolving, particularly in monitoring student behavior in classrooms, a task traditionally d…

cs.SD2023

DSARSR: Deep Stacked Auto-encoders Enhanced Robust Speaker Recognition

Zhifeng Wang, Chunyan Zeng, Surong Duan +2

Speaker recognition is a biometric modality that utilizes the speaker's speech segments to recognize the identity, determining whether the test speaker belongs to one of the enroll…

cs.CV2023★ 1 cited

Learning Behavior Recognition in Smart Classroom with Multiple Students Based on YOLOv5

Zhifeng Wang, Jialong Yao, Chunyan Zeng +3

Deep learning-based computer vision technology has grown stronger in recent years, and cross-fertilization using computer vision technology has been a popular direction in recent y…

cs.CR2023★ 3 cited

Graph Neural Networks Enhanced Smart Contract Vulnerability Detection of Educational Blockchain

Zhifeng Wang, Wanxuan Wu, Chunyan Zeng +3

With the development of blockchain technology, more and more attention has been paid to the intersection of blockchain and education, and various educational evaluation systems and…

cs.SD2022

End-to-end Recording Device Identification Based on Deep Representation Learning

Chunyan Zeng, Dongliang Zhu, Zhifeng Wang +3

Deep learning techniques have achieved specific results in recording device source identification. The recording device source features include spatial information and certain temp…

cs.CV2022★ 2 cited

JSRNN: Joint Sampling and Reconstruction Neural Networks for High Quality Image Compressed Sensing

Chunyan Zeng, Jiaxiang Ye, Zhifeng Wang +2

Most Deep Learning (DL) based Compressed Sensing (DCS) algorithms adopt a single neural network for signal reconstruction, and fail to jointly consider the influences of the sampli…

cs.SD2022

Audio Tampering Detection Based on Shallow and Deep Feature Representation Learning

Zhifeng Wang, Yao Yang, Chunyan Zeng +3

Digital audio tampering detection can be used to verify the authenticity of digital audio. However, most current methods use standard electronic network frequency (ENF) databases f…

eess.IV2022

Image Compressed Sensing with Multi-scale Dilated Convolutional Neural Network

Zhifeng Wang, Zhenghui Wang, Chunyan Zeng +2

Deep Learning (DL) based Compressed Sensing (CS) has been applied for better performance of image reconstruction than traditional CS methods. However, most existing DL methods util…

cs.SD2022

Spatio-Temporal Representation Learning Enhanced Source Cell-phone Recognition from Speech Recordings

Chunyan Zeng, Shixiong Feng, Zhifeng Wang +3

The existing source cell-phone recognition method lacks the long-term feature characterization of the source device, resulting in inaccurate representation of the source cell-phone…

cs.SD2022

Digital Audio Tampering Detection Based on ENF Spatio-temporal Features Representation Learning

Chunyan Zeng, Shuai Kong, Zhifeng Wang +2

Most digital audio tampering detection methods based on electrical network frequency (ENF) only utilize the static spatial information of ENF, ignoring the variation of ENF in time…

cs.CV2022★ 3 cited

Abs-CAM: A Gradient Optimization Interpretable Approach for Explanation of Convolutional Neural Networks

Chunyan Zeng, Kang Yan, Zhifeng Wang +3

The black-box nature of Deep Neural Networks (DNNs) severely hinders its performance improvement and application in specific scenes. In recent years, class activation mapping-based…

cs.AI2022★ 2 cited

UIILD: A Unified Interpretable Intelligent Learning Diagnosis Framework for Intelligent Tutoring Systems

Zhifeng Wang, Wenxing Yan, Chunyan Zeng +1

Intelligent learning diagnosis is a critical engine of intelligent tutoring systems, which aims to estimate learners' current knowledge mastery status and predict their future lear…