Dataset

BP4D-Dyadic / Inter-Stance

dyadic multimodal corpus with face video + finger PPG + continuous BP (Binghamton, FG 2026)

Newest entry in the Binghamton BP4D family (landing page updated 2026-10-01). Relevant to camera rPPG because each participant has high-res face video time-synced with a contact finger PPG and a continuous finger BP waveform.

At a glance
Type
Dataset
Host
Not reported
Licence
Not reported
Access
Gated / on request
Subjects
90
PPG sites
Not reported
Setting
Not reported
Wrist
Not reported
Raw waveforms
Not reported
Tasks
Not reported
Updated
Oct 26, 2026

Original description

Social interactions dominate our perceptions of the world and shape our daily behavior by attaching social meaning to acts as simple and spontaneous as gestures, facial expressions, voice, and speech. People mimic and otherwise respond to each other's postures, facial expressions, mannerisms, and other verbal and nonverbal behavior, and form appraisals or evaluations in the process. Yet, no publicly-available dataset includes multimodal recordings and self-report measures of multiple persons in social interaction. Dyadic recordings and annotation are lacking. We present a new data corpus of multimodal dyadic interaction (45 dyads, 90 persons) that includes synchronized multi-modality behavior (2D face video, 3D face geometry, thermal spectrum dynamics, voice and speech behavior, physiology (PPG, EDA, heart-rate, blood pressure, and respiration), and self-reported affect of all participants in a communicative interaction scenario. Two types of dyads are included: persons with shared past history and strangers. Annotations include social signals, agreement, disagreement, and neutral stance. With a potent emotion induction, these multimodal data will enable novel modeling of multimodal interpersonal behavior. We present extensive experiments to evaluate multimodal dyadic communication of dyads with and without interpersonal history, and their affect. This new database will make multimodal modeling of social interaction never possible before. The dataset includes 20TB of multimodal data to share with the research community.

Verbatim fromDataCite· Licence: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

BP4D-Dyadic / Inter-Stance: ChatPPG research summary card

Key numbers

90
Subjects
5
Reference labels
HR, CONTINUOUS BP, RESP RATE, EMOTION

How it works

Inputs
BP4D-Dyadic / Inter-Stance
Your model
Outputs / tasks

No model in the hub reports results on this dataset yet.

Reference labels
hr, continuous bp, resp rate, emotion, stance

Models trained or evaluated on it

No model in the hub reports results on BP4D-Dyadic / Inter-Stance yet. Be the first: results submitted with a paper are added here.

FAQ

How many subjects are in BP4D-Dyadic / Inter-Stance?

BP4D-Dyadic / Inter-Stance has data from 90 subjects, as listed in its research record.

What signals does BP4D-Dyadic / Inter-Stance include?

BP4D-Dyadic / Inter-Stance includes video, thermal, 3d-face, audio, PPG, bp, EDA and respiration data.

How do I get BP4D-Dyadic / Inter-Stance, and what is its licence?

It is available from https://www.cs.binghamton.edu/~lijun/Research/3DFE/3DFE_Analysis.html. Access is controlled by the host (for example registration, credentialing or a data use agreement), so check the source page for the steps. No licence is recorded for it here, so check the terms on the source page before you use it.

Cite

APA

BP4D-Dyadic / Inter-Stance [Data set]. (n.d.). https://doi.org/10.48550/arXiv.2604.22739

BibTeX

@misc{bp4ddyadicbp4ddyadic,
  title         = {{BP4D-Dyadic / Inter-Stance}},
  doi           = {10.48550/arXiv.2604.22739}
}

Built from the hub record. Check it against the publisher before submitting.

Cite the ChatPPG record

Cite the dated snapshot 2026-10 for a fixed, reproducible version. Please also cite the original publications listed above.

APA

ChatPPG. (2026). BP4D-Dyadic / Inter-Stance: dataset record (Version 2026-10) [Data set]. ChatPPG Research Hub. https://chatppg.com/research/datasets/bp4d-dyadic

BibTeX
@misc{chatppg_dataset_bp4d_dyadic,
  author       = {{ChatPPG}},
  title        = {{BP4D-Dyadic / Inter-Stance: dataset record}},
  year         = {2026},
  month        = oct,
  version      = {2026-10},
  howpublished = {\url{https://chatppg.com/research/datasets/bp4d-dyadic}},
  note         = {ChatPPG Research Hub, Snapshot 2026-10, https://chatppg.com/research/snapshots/2026-10}
}
CITATION.cff
cff-version: 1.2.0
message: "If you use this resource, please cite it as below."
type: dataset
title: "BP4D-Dyadic / Inter-Stance: dataset record"
authors:
  - name: "ChatPPG"
url: "https://chatppg.com/research/datasets/bp4d-dyadic"
repository-artifact: "https://chatppg.com/research/snapshots/2026-10"
version: "2026-10"
date-released: "2026-10-26"

History

  1. Record updated