Eye-Contact-RealTime-Detection

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Eye-Contact-RealTime-Detection

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Robust eye gaze direction detection

Eye-Contact-RealTime-Detection 최신버젼 다운로드

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# Eye-Contact Real-Time Detection

*"Is someone looking at me?", in real time, from any webcam. Geometric, no training, no GPU.*

![license](https://img.shields.io/badge/license-MIT-blue)
![method](https://img.shields.io/badge/method-geometric_gaze-1d9e75)
![deps](https://img.shields.io/badge/on-MediaPipe_FaceLandmarker-444)

## Install and run

```bash
pip install git+https://github.com/arnaudlvq/Eye-Contact-RealTime-Detection
python demo.py     # shows EYE CONTACT / · · · live
```

## Use it in 4 lines

```python
from types import SimpleNamespace
from eye_contact_detector import EyeContactDetector, DetectorConfig

det = EyeContactDetector(SimpleNamespace(window_h_deg=12, window_v_deg=10),
                         DetectorConfig(camera_index=0))
frame, looking = det.detect_eye_contact()   # looking: True / False
```

`window_h_deg` / `window_v_deg` = the width of the "looking at me" cone (in degrees), horizontal / vertical.

## How it works

A single network (MediaPipe **FaceLandmarker**, CPU) per frame gives 478 face
points, the head pose, and 52 *blendshapes*. From the `eyeLook*` blendshapes and
the head rotation, we reconstruct the **3D gaze direction**, compare it to the
camera direction, and it is "contact" when the angular error stays within a
window (in degrees). No dataset, no training, no gaze CNN, just geometry.

```mermaid
flowchart LR
  cam["📷 webcam"] --> mp["MediaPipe FaceLandmarker<br/>478 pts + pose + 52 blendshapes"]
  mp --> gaze["3D gaze direction<br/>(eyeLook* × head rotation)"]
  gaze --> cmp{"angular error<br/>within the window?"}
  cmp -->|yes| yes["👁️ EYE CONTACT"]
  cmp -->|no| no["· · · no contact"]
```

- **CALIBRATE** once (stare at the camera) absorbs the camera to target offset, persisted by the caller.
- Smoothing (EMA), hysteresis, and a freeze during blinks keep the decision stable.

## Backends, modular

Inference is **decoupled** from the gaze geometry. By default: MediaPipe's **CPU**
FaceLandmarker (portable, runs everywhere). To swap engines, inject your own
backend and the geometry does not change by a single line:

```python
EyeContactDetector(settings, landmarker=my_backend)
# my_backend: any object with detect_for_video(mp.Image, ts) -> result
```

This lets you plug in an accelerated backend (dedicated hardware, a delegate, a
service, and so on) without touching the core, which stays **100% portable**.

**MIPI/CSI camera:** `DetectorConfig(use_gst_camera=True)` selects a **GStreamer**
capture path (useful for MIPI cameras that OpenCV cannot drive) instead of OpenCV.

## License

MIT. Built on Google's MediaPipe FaceLandmarker (models under Apache-2.0).

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