3 papers
cs.CV2026
Explaining RhythmFormer: A Systematic XAI Analysis of Periodic Sparse Attention for Remote Photoplethysmography
Louis Chen, Torbjörn E. M. Nordling
Remote photoplethysmography (rPPG) transformers achieve low heart-rate error on benchmarks, yet their decisions remain opaque--a growing concern as rPPG moves toward clinical heart…
cs.CV2026
Illumination-Robust Camera-Based Heart-Rate Estimation for Physiological Sensing in Robots
Zhi Wei Xu, Torbjörn E. M. Nordling
Physiological awareness is important for service, social, and assistive robots that interact with humans in everyday environments. Remote photoplethysmography (rPPG) enables non-co…
cs.CV2025
3C-FBI: A Combinatorial method using Convolutions for Circle Fitting in Blurry Images
Esteban Román Catafau, Torbjörn E. M. Nordling
This paper addresses the fundamental computer vision challenge of robust circle detection and fitting in degraded imaging conditions. We present Combinatorial Convolution-based Cir…