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37 lines
937 B
Markdown
37 lines
937 B
Markdown
---
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layout: page
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title: "Image Processing"
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description: "Instructions how to setup image processing with Home Assistant."
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date: 2017-01-09 00:00
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sidebar: true
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comments: false
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sharing: true
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footer: true
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ha_release: 0.36
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---
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Image processing enables Home Assistant to process image from [cameras][/components/#camera]. Only camera entities are supported as sources.
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For interval control, use `scan_interval` in platform.
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## {% linkable_title ALPR %}
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Alpr entities attribute have a vehicle counter `vehicles` and all found plates as `plates`.
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This event is trigger after OpenALPR found a new licence plate.
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```yaml
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# Example configuration.yaml automation entry
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automation:
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- alias: Open garage door
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trigger:
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platform: event
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event_type: openalpr.found
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event_data:
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entity_id: openalpr.camera_garage_1
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plate: BE2183423
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...
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```
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The following event attributes will be present: `entity_id`, `plate`, `confidence`
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