Image processing (#1742)

* Add image_processing

* add to demo

source/_components/demo.markdown

@@ -22,6 +22,7 @@ Available demo platforms:
 - [Climate](/components/climate/) (`climate`)
 - [Cover](/components/cover/) (`cover`)
 - [Fan](/components/fan/) (`fan`)
+- [Image Processing](/components/image_processing/) (`image_processing`)
 - [Light](/components/light/) (`light`)
 - [Lock](/components/lock/) (`lock`)
 - [Notification](/components/notify/) (`notify`)

source/_components/image_processing.markdown

@@ -0,0 +1,36 @@
+---
+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 image from cameras.
+As source is only supported camera entities.
+
+For interval controll, use `scan_interval` in platform.
+
+## {% 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 licence plate.
+```yaml
+# Example configuration.yaml automation entry
+automation:
+- alias: Open garage door
+  trigger:
+    platform: event
+    event_type: openalpr.found
+    event_data:
+      entity_id: openalpr.camera_garage_1
+      plate: BE2183423
+...
+```
+
+follow event data while be present: `entity_id`, `plate`, `confidence`

source/_components/image_processing.openalpr_cloud.markdown

@@ -0,0 +1,35 @@
+---
+layout: page
+title: "OpenAlpr Cloud"
+description: "Instructions how to integrate licences plates with OpenAlpr cloud into Home Assistant."
+date: 2017-01-09 00:00
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: openalpr.png
+ha_category: Image_Processing
+featured: false
+ha_release: 0.36
+---
+
+[OpenAlpr](http://www.openalpr.com/) 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](https://home-assistant.io/components/automation/).
+
+### {% linkable_title Configuration Home Assistant %}
+
+```yaml
+# Example configuration.yaml entry
+image_processing:
+ - platform: openalpr_cloud
+   region: eu
+   source:
+    - entity_id: camera.garage
+```
+Configuration variables:
+
+- **region** (*Required*): Country or region. List of Supported [value](https://github.com/openalpr/openalpr/tree/master/runtime_data/config).
+- **alpr_bin** (*Optional*): Default `alpr`. The command line tool alpr from OpenAlpr software for local processing.
+- **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.

source/_components/image_processing.openalpr_local.markdown

@@ -0,0 +1,52 @@
+---
+layout: page
+title: "OpenAlpr Local"
+description: "Instructions how to integrate licences plates with OpenAlpr local into Home Assistant."
+date: 2017-01-09 00:00
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: openalpr.png
+ha_category: Image_Processing
+featured: false
+ha_release: 0.36
+---
+
+[OpenAlpr](http://www.openalpr.com/) 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](https://home-assistant.io/components/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](https://github.com/openalpr/openalpr/wiki).
+
+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+):
+```bash
+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 %}
+
+```yaml
+# 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](https://github.com/openalpr/openalpr/tree/master/runtime_data/config).
+- **api_key** (*Required*): You need a api key from  [OpenAlpr Cloud](https://cloud.openalpr.com/).
+- **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.