4 papers
Low-Complexity Channel Parameter Estimation for Coprime HRIS-Assisted MIMO Systems
Jean C. S. Ferreira, Melryllin G. O. Sousa, Fazal-E Asim
This paper proposes a parameter estimation scheme for uplink MIMO systems assisted by a Hybrid Reconfigurable Intelligent Surface (HRIS). To reduce hardware complexity, the HRIS em…
MAC 2026: Advancing Micro-Action Analysis Towards Fine-Grained Understanding
Kun Li, Dan Guo, Jihao Gu +6
Micro-Actions (MAs) are subtle and spontaneous human behaviors that provide important non-verbal cues in social interaction and affective communication. However, their short durati…
OmniFD: A Unified Model for Versatile Face Forgery Detection
Haotian Liu, Haoyu Chen, Chenhui Pan +3
Face forgery detection encompasses multiple critical tasks, including identifying forged images and videos and localizing manipulated regions and temporal segments. Current approac…
Biometric Authentication Based on Enhanced Remote Photoplethysmography Signal Morphology
Zhaodong Sun, Xiaobai Li, Jukka Komulainen +1
Remote photoplethysmography (rPPG) is a non-contact method for measuring cardiac signals from facial videos, offering a convenient alternative to contact photoplethysmography (cPPG…