Example of a request:
https://192.168.1.200:8080/lpr_events?sid=zxRc8Y7w
Example of a server response:
[
{
"best_guess" : "b663kt777",
"channel" : "ilL0UhRy",
"flags" : "1073741825",
"id" : "63191",
"lane" : "2",
"lists" : "",
"plate" : "b663kt777",
"quality" : "98.90",
"server" : "CyPy6vF5",
"speed" : "0.00",
"template" : "ru/rux3xx3-v1",
"time_bestview" : "1393329818921734",
"time_enter" : "1393329818802482",
"time_leave" : "1393329819239768",
"track_points" : []
},
{
"best_guess" : "p066ok77",
"channel" : "ilL0UhRy",
"flags" : "536870913",
"id" : "63190",
"lane" : "1",
"lists" : "",
"plate" : "p066ok77",
"quality" : "65.60",
"server" : "CyPy6vF5",
"speed" : "0.00",
"template" : "ru/rux3xx2-v1",
"time_bestview" : "1393329818524229",
"time_enter" : "1393329818524229",
"time_leave" : "1393329818762729",
"track_points" : []
}
]
Table 102.
| Properties | Values | Description | TRASSIR version |
|---|---|---|---|
| "best_guess" | The most qualitatively recognized license plate number | ≥4.0 | |
| "channel" | GUID of channel on which AutoTRASSIR module is used | ≥3.1 | |
| "flags" | Flags | ≥3.1 | |
| "id" | AutoTRASSIR event ID | ≥3.1 | |
| "lane" | Traffic lane | ≥3.1 | |
| "lists" | The list in which the given license plate number was detected | ≥3.1 | |
| "plate" | Recognized AutoTRASSIR license plate number | ≥3.1 | |
| "quality" | The best quality rate of the license plate number recognition | ≥3.1 | |
| "server" | TRASSIR server ID | ≥3.1 | |
| "speed" | Vehicle speed | ≥3.1 | |
| "template" | AutoTRASSIR template used for license plate number detection | ≥3.1 | |
| "time_bestview" | The time the license plate number is recognized most qualitatively | ≥3.1 | |
| "time_enter" | Time of the license plate appearance in the detection zone | ≥3.1 | |
| "time_leave" | Time of the license plate number leaving the detection zone | ≥3.1 | |
| "track_points" | The recognized numbers coordinates. The example of the coordinate request is described below | ≥3.1 |
Tip
The response time is indicated in microseconds in UNIX-time format according to time zone configured on the server.
To get the coordinates of the recognized license plates add to request &track_points=true.
Example of requesting AutoTRASSIR events with the coordinates of recognized license plates:
https://192.168.1.200:8080/lpr_events?sid=zxRc8Y7w&track_points=true
Example of a server response:
[
{
"best_guess" : "b663kt777",
"channel" : "ilL0UhRy",
"flags" : "1073741825",
"id" : "63191",
"lane" : "2",
"lists" : "",
"plate" : "b663kt777",
"quality" : "98.90",
"server" : "CyPy6vF5",
"speed" : "0.00",
"template" : "ru/rux3xx3-v1",
"time_bestview" : "1393329818921734",
"time_enter" : "1393329818802482",
"time_leave" : "1393329819239768",
"track_points" : [
{
"h" : 8.25,
"w" : 18.75,
"x" : 41.5,
"y" : 35.75
},
{
"h" : 7.5,
"w" : 17.25,
"x" : 40,
"y" : 37.25
}
]
}
]
Table 103.
| Properties | Values | Description | TRASSIR version |
|---|---|---|---|
| "h" | The height of the recognized license plate number | ≥3.1 | |
| "w" | The width of the recognized license plate | ≥3.1 | |
| "x" | Horizontal axis position of the top left corner of the recognized license plate number in the frame | ≥3.1 | |
| "y" | Vertical axis position of the top left corner of the recognized license plate number in the frame | ≥3.1 |
Tip
Parameter values are indicated as a percentage of the frame size.
