3 papers
cs.CV2025
Tamper-evident Image using JPEG Fixed Points
Zhaofeng Si, Siwei Lyu
An intriguing phenomenon about JPEG compression has been observed since two decades ago- after repeating JPEG compression and decompression, it leads to a stable image that does no…
cs.LG2024
Meta-Learning with Heterogeneous Tasks
Zhaofeng Si, Shu Hu, Kaiyi Ji +1
Meta-learning is a general approach to equip machine learning models with the ability to handle few-shot scenarios when dealing with many tasks. Most existing meta-learning methods…
cs.CR2024
DeepFake-O-Meter v2.0: An Open Platform for DeepFake Detection
Yan Ju, Chengzhe Sun, Shan Jia +7
Deepfakes, as AI-generated media, have increasingly threatened media integrity and personal privacy with realistic yet fake digital content. In this work, we introduce an open-sour…