3 papers
cs.CV2026
Beyond Detection: Multi-Scale Hidden-Code for Natural Image Deepfake Recovery and Factual Retrieval
Yuan-Chih Chen, Chun-Shien Lu
Recent advances in image authenticity have primarily focused on deepfake detection and localization, leaving recovery of tampered contents for factual retrieval relatively underexp…
cs.CV2026
UFO-DETR: Frequency-Guided End-to-End Detector for UAV Tiny Objects
Yuankai Chen, Kai Lin, Qihong Wu +6
Small target detection in UAV imagery faces significant challenges such as scale variations, dense distribution, and the dominance of small targets. Existing algorithms rely on man…
cs.CV2026
Diffusion or Non-Diffusion Adversarial Defenses: Rethinking the Relation between Classifier and Adversarial Purifier
Yuan-Chih Chen, Chun-Shien Lu
Adversarial defense research continues to face challenges in combating against advanced adversarial attacks, yet with diffusion models increasingly favoring their defensive capabil…