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https://github.com/sclaflin/OpenALPR-HTTP-Wrapper

Thin wrapper around the OpenALPR cli program
https://github.com/sclaflin/OpenALPR-HTTP-Wrapper

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Thin wrapper around the OpenALPR cli program

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# Open ALPR HTTP Wrapper #

Just a small wrapper around the Open ALPR cli binary.

Simply send and HTTP Post of image data to `/detect` and get back JSON results from the attempted detection.

## Installation ##

A docker image is available via:
```bash
docker pull sclaflin/open-alpr-http-wrapper
```

Docker Compose:

```yaml
version: "3.9"
services:
open-alpr-http-wrapper:
container_name: open-alpr-http-wrapper
restart: unless-stopped
image: sclaflin/open-alpr-http-wrapper:latest
ports:
- "3000:3000"
```

## Usage ##

Post image data to the /detect endpoint:

```bash
curl -F [email protected] http://localhost:3000/detect
```

The following output is returned:

```json
{
"version": 2,
"data_type": "alpr_results",
"epoch_time": 1638566810336,
"img_width": 1289,
"img_height": 744,
"processing_time_ms": 146.275497,
"regions_of_interest": [],
"results": [
{
"plate": "YZ88658",
"confidence": 85.818779,
"matches_template": 0,
"plate_index": 0,
"region": "",
"region_confidence": 0,
"processing_time_ms": 12.290022,
"requested_topn": 10,
"coordinates": [
{
"x": 682,
"y": 342
},
{
"x": 805,
"y": 346
},
{
"x": 801,
"y": 400
},
{
"x": 680,
"y": 396
}
],
"candidates": [
{
"plate": "YZ88658",
"confidence": 85.818779,
"matches_template": 0
},
{
"plate": "Y288658",
"confidence": 85.352005,
"matches_template": 0
},
{
"plate": "YZ8B658",
"confidence": 83.173759,
"matches_template": 0
},
{
"plate": "Y28B658",
"confidence": 82.706985,
"matches_template": 0
},
{
"plate": "YZ8865B",
"confidence": 78.087212,
"matches_template": 0
}
]
}
]
}
```

The root of the server also presents a form that you can use via web browser to upload and detect files.