no code implementations • 20 Apr 2024 • Jeremy Speth, Nathan Vance, Patrick Flynn, Adam Czajka
We present the first non-contrastive unsupervised learning framework for signal regression to mitigate the need for labelled video data.
no code implementations • 3 Feb 2024 • Jeremy Speth, Nathan Vance, Benjamin Sporrer, Lu Niu, Patrick Flynn, Adam Czajka
We provide thorough experiments demonstrating the suitability of MSPM to support research on rPPG, respiration rate, and PTT.
no code implementations • 24 May 2023 • Nathan Vance, Jeremy Speth, Benjamin Sporrer, Patrick Flynn
Remote Photoplethysmography (rPPG), or the remote monitoring of a subject's heart rate using a camera, has seen a shift from handcrafted techniques to deep learning models.
no code implementations • 16 Mar 2023 • Lu Niu, Jeremy Speth, Nathan Vance, Ben Sporrer, Adam Czajka, Patrick Flynn
In this paper we explored the feasibility of rPPG from non-face body regions such as the arms, legs, and hands.
1 code implementation • CVPR 2023 • Jeremy Speth, Nathan Vance, Patrick Flynn, Adam Czajka
Given the limited inductive biases and impressive empirical results, the approach is theoretically capable of discovering other periodic signals from video, enabling multiple physiological measurements without the need for ground truth signals.
no code implementations • 11 Mar 2023 • Jeremy Speth, Nathan Vance, Benjamin Sporrer, Lu Niu, Patrick Flynn, Adam Czajka
Extensive experimentation with eight research datasets (rPPG-specific: DDPM, CDDPM, PURE, UBFC, ARPM; deep fakes: DFDC; face presentation attack detection: HKBU-MARs; rPPG outlier: KITTI) show better accuracy of anomaly detection for deep learning models incorporating the proposed training (75. 8%), compared to models trained regularly (73. 7%) and to hand-crafted rPPG methods (52-62%).
no code implementations • 22 Aug 2022 • Aidan Boyd, Jeremy Speth, Lucas Parzianello, Kevin Bowyer, Adam Czajka
We have curated the largest publicly-available image dataset for this problem, drawing from 26 benchmarks previously released by various groups, and adding 150, 000 images being released with the journal version of this paper, to create a set of 450, 000 images representing authentic iris and seven types of presentation attack instrument (PAI).
no code implementations • 21 Oct 2021 • Jeremy Speth, Nathan Vance, Patrick Flynn, Kevin W. Bowyer, Adam Czajka
Remote photoplethysmography (rPPG) is a technique for estimating blood volume changes from reflected light without the need for a contact sensor.
no code implementations • 11 Jun 2021 • Jeremy Speth, Nathan Vance, Adam Czajka, Kevin W. Bowyer, Diane Wright, Patrick Flynn
Our application context is an interview scenario in which the interviewee attempts to deceive the interviewer on selected responses.
no code implementations • 11 Jan 2021 • Jeremy Speth, Nathan Vance, Patrick Flynn, Kevin Bowyer, Adam Czajka
Remote photoplethysmography (rPPG), a family of techniques for monitoring blood volume changes, may be especially useful for widespread contactless health monitoring using face video from consumer-grade visible-light cameras.