SeetaPsych Hertz

Heart rate estimation modules for SeetaPsych

Usage

This project is already included in the seetapsych-lib default configuration. Download and use it via seetapsych-manager download.

For usage, refer to SeetaPsych.

You can additionally add this algorithm module using the following methods.

Heart rate estimation requires processing video or real-time video streams to extract heart rate information.

WebUI

Run seetapsych-webui with the --files argument to use it.

seetapsych-webui --files seetapsych_hertz/modules/seeta.yml

Programmatic Usage

Add the following code in your program to use this algorithm module.

from seetapsych_lib.runtime.factory import Factory
from seetapsych_lib.runtime.pipeline import Pipeline

factory = Factory()
factory.load_file_modules("seetapsych_hertz/modules/seeta.yml")

pipeline = Pipeline(factory, ...)

pipeline.add_attributes("face/heart_rate")

Module Catalog

Module YAML Path	Package Name
`seetapsych_hertz/modules/ada-chrom.yml`	HeartRate-AdaChrom
`seetapsych_hertz/modules/seeta.yml`	HeartRate-Seeta
`seetapsych_hertz/modules/tiny-hr.yml`	HeartRate-TinyHR

AdaChrom

Model-free rPPG heart rate estimation using adaptive chrominance analysis on skin ROI.

Module config: ada-chrom.yml

Package	Provides	Requires
HeartRate-AdaChrom	`face/heart_rate`	`face/dense_landmarks`

Description

Adaptive chrominance rPPG heart rate estimator from adaptive forehead ROI, no neural model required.

Parameters

Name	Type	Default	Description & Tuning
`window_samples`	integer	`300`	Sliding window frame count for HR estimation. Larger values reduce noise but increase latency; adjust based on real-time demand.

Models

(None)

TinyHR

Lightweight neural network for fast heart rate estimation directly from face video frames.

Module config: tiny-hr.yml

Package	Provides	Requires
HeartRate-TinyHR	`face/heart_rate`	`face/detection`

Description

Fast RhythmFormer heart rate estimator using buffered face crops + Welch spectral analysis.

Parameters

Name	Type	Default	Description & Tuning
`fps`	number	`30`	Expected camera/video FPS used for spectral analysis windowing. Mismatch with actual source FPS degrades HR accuracy.
`interval`	number	`1`	Seconds between consecutive HR estimates. Smaller intervals yield more updates with higher jitter; larger intervals are smoother but slower.

Models

Model	Recommended
`seeta-hertz-tinyhr.onnx`	✓

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Source Distribution

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