Search Results for author: Zhaodong Sun

Found 7 papers, 3 papers with code

Analyzing Participants' Engagement during Online Meetings Using Unsupervised Remote Photoplethysmography with Behavioral Features

no code implementations5 Apr 2024 Alexander Vedernikov, Zhaodong Sun, Virpi-Liisa Kykyri, Mikko Pohjola, Miriam Nokia, Xiaobai Li

The use of physiological and behavioral features is viable, but the impracticality of traditional physiological measurement arises due to the need for contact sensors.

Heart Rate Variability

Contrast-Phys: Unsupervised Video-based Remote Physiological Measurement via Spatiotemporal Contrast

1 code implementation8 Aug 2022 Zhaodong Sun, Xiaobai Li

However, supervised rPPG methods require face videos and ground truth physiological signals for model training.

Uncertainty-Driven Adaptive Sampling via GANs

no code implementations23 Oct 2020 Thomas Sanchez, Igor Krawczuk, Zhaodong Sun, Volkan Cevher

We propose an adaptive sampling method for the linear model, driven by the uncertainty estimation with a generative adversarial network (GAN) model.

Generative Adversarial Network SSIM

Closed loop deep Bayesian inversion: Uncertainty driven acquisition for fast MRI

no code implementations25 Sep 2019 Thomas Sanchez, Igor Krawczuk, Zhaodong Sun, Volkan Cevher

This work proposes a closed-loop, uncertainty-driven adaptive sampling frame- work (CLUDAS) for accelerating magnetic resonance imaging (MRI) via deep Bayesian inversion.

SSIM

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