September 2017
Intermediate to advanced
206 pages
4h 34m
English
Content preview from Intelligent IoT Projects in 7 Days
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Testing vehicle plate number detection
Now that we've installed OpenALPR on our Raspberry Pi, we can test it using several vehicle plate numbers.
For instance, we have a plate number image here. The number is 6RUX251. We can call alpr:
$ alpr lp.jpg
plate0: 10 results
- 6RUX251 confidence: 95.1969
- 6RUXZ51 confidence: 87.8443
- 6RUX2S1 confidence: 85.4606
- 6RUX25I confidence: 85.4057
- 6ROX251 confidence: 85.3351
- 6RDX251 confidence: 84.7451
- 6R0X251 confidence: 84.7044
- 6RQX251 confidence: 82.9933
- 6RUXZS1 confidence: 78.1079
- 6RUXZ5I confidence: 78.053
You can see the that the result is 6RUX251 with a confidence of 95.1969%.
Source image: http://i.imgur.com/pjukRD0.jpg
The second demo for testing is a plate number ...
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