home-assistant.io/source/_components/image_processing.markdown
Franck Nijhof 6224c71c08 Various markdown, spelling, and grammar fixes #3 (#4510)
*  Various markdown, spelling, and grammar fixes

*  Various markdown, spelling, and grammar fixes

*  Various markdown, spelling, and grammar fixes
2018-01-25 18:21:05 +01:00

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Markdown

---
layout: page
title: "Image Processing"
description: "Instructions how to setup image processing with Home Assistant."
date: 2017-01-09 00:00
sidebar: true
comments: false
sharing: true
footer: true
ha_release: 0.36
---
Image processing enables Home Assistant to process images from [cameras](/components/#camera). Only camera entities are supported as sources.
For interval control, use `scan_interval` in platform.
<p class='note'>
If you are running Home Assistant over SSL or from within a container, you will have to setup a base URL (`base_url`) inside the [http component](/components/http/).
</p>
## {% linkable_title ALPR %}
Alpr entities attribute have a vehicle counter `vehicles` and all found plates as `plates`.
This event is trigger after OpenALPR found a new license plate.
```yaml
# Example configuration.yaml automation entry
automation:
- alias: Open garage door
trigger:
platform: event
event_type: image_processing.found_plate
event_data:
entity_id: openalpr.camera_garage_1
plate: BE2183423
...
```
The following event attributes will be present (platform-dependent): `entity_id`, `plate`, `confidence`
## {% linkable_title Face %}
Face entities attribute have a face counter `total_faces` and all face data as `faces`.
This event is trigger after Microsoft Face found a faces.
```yaml
# Example configuration.yaml automation entry
automation:
- alias: Known person in front of my door
trigger:
platform: event
event_type: image_processing.detect_face
event_data:
entity_id: image_processing.door
name: 'Hans Maier'
...
```
The following event attributes will be present (platform-dependent): `entity_id`, `name`, `confidence`, `age`, `gender`, `motion`, `glasses`