Qingzhong Liu — Papers on Cortexa

arxivcs.CV2026-07-19

An Explainable FFT-Based Spatial-Frequency Fusion Framework for Deepfake Detection

Pamela Kirui, Cho Hyuk, Qingzhong Liu, Haodi Jiang

Deepfake generation has raised growing concerns regarding digital media authenticity, misinformation, identity fraud, and public trust. Recent studies show that combining spatial and frequency features leads to stronger detection results than using independently. This paper prese…

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crossrefElectronics2024-10-10Cited by 24

Advanced Comparative Analysis of Machine Learning and Transformer Models for Depression and Suicide Detection in Social Media Texts

Biodoumoye George Bokolo, Qingzhong Liu

Depression detection through social media analysis has emerged as a promising approach for early intervention and mental health support. This study evaluates the performance of various machine learning and transformer models in identifying depressive content from tweets on X. Uti…

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