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# MCD-rPPG: Multi-Camera Dataset for Remote Photoplethysmography
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This repository contains the
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The presented large-scale multimodal MCD-rPPG dataset is designed for remote photoplethysmography (rPPG) and health biomarker estimation from video. The dataset includes synchronized video recordings from three cameras at different angles, PPG and ECG signals, and extended health metrics (arterial blood pressure, oxygen saturation, stress level, etc.) for 600 subjects in both resting and post-exercise states.
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## The MCD-rPPG Dataset
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The dataset is available on the Hugging Face Hub: [**MCD-rPPG Dataset**](https://huggingface.co/datasets/kyegorov/mcd_rppg)
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The dataset contains:
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* **3600 video recordings** (600 subjects × 2 states × 3 cameras)
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* **Synchronized PPG** (100 Hz) and ECG signals
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* **13 health biomarkers**: systolic/diastolic pressure, oxygen saturation, temperature, glucose, glycated hemoglobin, cholesterol, respiratory rate, arterial stiffness, stress level (PSM-25), age, sex, BMI.
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* **Multi-view videos**: frontal webcam, FullHD camcorder, mobile phone camera.
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We propose an efficient multi-task model that:
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* Processes video in **real-time on a CPU** (up to 13% faster than leading models).
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* Estimates the **PPG signal** and **10+ health biomarkers** simultaneously.
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* Is lightweight (~4 MB) and uses domain-specific preprocessing suitable for low-power devices.
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The model architecture combines domain-specific preprocessing (ROI selection on the face) with a convolutional network (1D Feature Pyramid Network).
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## Repository
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This repository contains code for training and evaluating rPPG models.
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### Main Files and Directories:
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* `rppglib/` — A directory with library functions and utilities for rPPG processing.
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* `AdaPOS.ipynb` — Notebook with the implementation/adaptation of the AdaPOS algorithm.
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* `Inference_time.ipynb` — Notebook for measuring the inference time of various models.
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* `train_OMIT.ipynb` — Notebook for training the OMIT model.
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* `train_POS.ipynb` — Notebook for training the POS model.
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* `train_RythmFormer_SCAMPS.ipynb` — Notebook for training RhythmFormer on the SCAMPS dataset.
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* `train_SCNN_8roi_mcd_rppg.ipynb` — Notebook for training our proposed model (SCNN) with 8 ROIs on the MCD-rPPG dataset.
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* `*_rppg.csv` / `*.csv` (MMPD.csv, SCAMPS.csv, UBFC_rPPG.csv, mcd_rppg.csv) — Metadata or results files for the respective datasets, used during training and evaluation.
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### Usage
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1. **Clone the repository:**
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```bash
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git clone https://github.com/ksyegorov/mcd_rppg.git
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cd mcd_rppg/
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```
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2. **Install dependencies.** Using a virtual environment is recommended.
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```bash
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pip install -r requirements.txt
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```
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3. **Run the notebooks** you are interested in (e.g., `train_SCNN_8roi_mcd_rppg.ipynb`) for training or reproducing experiments. Remember to download the MCD-rPPG dataset first.
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## Results and Comparison
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The tables below show key results of our model (Ours) compared to state-of-the-art (SOTA) alternatives. MAE (Mean Absolute Error) is calculated for the PPG signal and Heart Rate (HR).
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**Table: Model performance comparison (MAE) in cross-dataset scenarios**
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*(Summary of results from the paper)*
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| Model | ... | MCD-rPPG (HR MAE) | ... |
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|----------------|-----|-------------------|-----|
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| PBV | ... | 15.37 | ... |
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| OMIT | ... | 4.78 | ... |
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| POS | ... | 3.80 | ... |
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| PhysFormer | ... | 4.08 | ... |
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| **Ours** | ... | **4.86** | ... |
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**Table: Performance for different camera views and inference speed**
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| Model | CPU Inference (s) | Size (Mb) | Frontal PPG MAE | Side PPG MAE |
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|----------------|-------------------|-----------|-----------------|--------------|
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| POS | 0.26 | 0 | 0.87 | 1.25 |
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| PhysFormer | 0.93 | 28.4 | 0.46 | 0.97 |
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| **Ours** | **0.15** | **3.9** | 0.68 | 1.10 |
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Complete results, including biomarker evaluation, are presented in the paper.
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## Citation
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# MCD-rPPG: Multi-Camera Dataset for Remote Photoplethysmography
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This repository contains the dataset from the paper ["Gaze into the Heart: A Multi-View Video Dataset for rPPG and Health Biomarkers Estimation"](https://arxiv.org/abs/2508.17924v1)
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The presented large-scale multimodal MCD-rPPG dataset is designed for remote photoplethysmography (rPPG) and health biomarker estimation from video. The dataset includes synchronized video recordings from three cameras at different angles, PPG and ECG signals, and extended health metrics (arterial blood pressure, oxygen saturation, stress level, etc.) for 600 subjects in both resting and post-exercise states.
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## The MCD-rPPG Dataset
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The dataset contains:
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* **3600 video recordings** (600 subjects × 2 states × 3 cameras)
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* **Synchronized PPG** (100 Hz) and ECG signals
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* **13 health biomarkers**: systolic/diastolic pressure, oxygen saturation, temperature, glucose, glycated hemoglobin, cholesterol, respiratory rate, arterial stiffness, stress level (PSM-25), age, sex, BMI.
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* **Multi-view videos**: frontal webcam, FullHD camcorder, mobile phone camera.
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*
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## Code and usage
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See GitHub repository https://github.com/ksyegorov/mcd_rppg
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## Citation
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