home-assistant.io/source/_components/image_processing.openalpr_local.markdown

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layout	title	description	date	sidebar	comments	sharing	footer	logo	ha_category	featured	ha_release
page	OpenAlpr Local	Instructions how to integrate licences plates with OpenAlpr local into Home Assistant.	2017-01-09 00:00	true	false	true	true	openalpr.png	Image_Processing	false	0.36

OpenAlpr integration for Home Assistant allows you to process licences plates from a camera. You can use them to open a garage door or trigger any other automation.

{% linkable_title Local installation %}

If you want process all data local you need the command line tool alpr in version > 2.3.1

If you don't find binaries for your distribution you can compile from source. Documention of how to build openalpr is found here.

On a debian system you can use this cmake command to build only the command line tool (which second part on linux build instruction - ubuntu 14.04+):

cmake -DWITH_TEST=FALSE -DWITH_BINDING_JAVA=FALSE --DWITH_BINDING_PYTHON=FALSE --DWITH_BINDING_GO=FALSE -DWITH_DAEMON=FALSE -DCMAKE_INSTALL_PREFIX:PATH=/usr ..

Verify your alpr installation with:

wget -O- -q http://plates.openalpr.com/h786poj.jpg | alpr -

{% linkable_title Configuration Home Assistant %}

# Example configuration.yaml entry
image_processing:
 - platform: openalpr_cloud
   api_key: 'sk_abcxyz123456'
   region: eu
   source:
    - entity_id: camera.garage

Configuration variables:

• region (Required): Country or region. List of Supported value.
• api_key (Required): You need a api key from OpenAlpr Cloud.
• confidence (Optional): Default 80. The minimum of confidence in percent to process with Home-Assistant.
• source (Required):
  • entities (Required): A list of device to add in Home-Assistant.
  • name (Optional): This parameter allows you to override the name of your openalpr entity.