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Use regular expressions for plate matching (#14727)

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This commit is contained in:
Josh Hawkins
2024-11-01 18:43:21 -05:00
committed by Nicolas Mowen
parent d56b5dac28
commit c269b4c320
5 changed files with 26 additions and 25 deletions
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9
docs/docs/configuration/license_plate_recognition.md
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@@ -26,7 +26,7 @@ lpr:
Several options are available to fine-tune the LPR feature. For example, you can adjust the `min_area` setting, which defines the minimum size in pixels a license plate must be before LPR runs. The default is 500 pixels.
Additionally, you can define `known_plates`, allowing Frigate to label tracked vehicles with custom sub_labels when a recognized plate is detected. This information is then accessible in the UI, filters, and notifications.
Additionally, you can define `known_plates` as strings or regular expressions, allowing Frigate to label tracked vehicles with custom sub_labels when a recognized plate is detected. This information is then accessible in the UI, filters, and notifications.
```yaml
lpr:
@@ -37,12 +37,9 @@ lpr:
- "ABC-1234"
- "ABC-I234"
Johnny:
- "JHN-1234"
- "JMN-1234"
- "JHN-I234"
- "J*N-*234" # Using wildcards for H/M and 1/I
Sally:
- "SLL-1234"
- "5LL-1234"
- "[S5]LL-1234" # Matches SLL-1234 and 5LL-1234
```
In this example, "Wife's Car" will appear as the label for any vehicle matching the plate "ABC-1234." The model might occasionally interpret the digit 1 as a capital I (e.g., "ABC-I234"), so both variations are listed. Similarly, multiple possible variations are specified for Johnny and Sally.