ALPR contexts are created for specific regions in order to optimize ALPR for the license plates of that region.
ALPR contexts are available for the following license plates:
Asia-Pacific
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Caribbean and Latin America
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Europe/Middle East/Africa
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North America
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1Includes Saudi Arabia, Bahrain, Kuwait, and UAE.
2General European context for one-line plates.
3General European context for one-line and two-line plates.
4Only standard Omani plates are supported (wide-format, black-on-white, and black-on-yellow). License plates issued by neighboring countries are not supported.
5Includes Abu Dhabi, Dubai, and Sharjah plates.
6Includes Delaware, New York, Pennsylvania, and Vermont plates.
7Includes Pennsylvania, Delaware, Florida, Vermont, and New York plates.
8Includes Utah, Oregon, Montana, and North Dakota plates.
9Supports one-line plates with five or more characters.
10Supports one-line and two-line plates with five or more characters.
11Supports one-line and two-line plates with three or more characters. Note that this context can produce many false positive reads.
12Exposure settings are optimized for non-reflective military plates. Note that performance with standard plates might be reduced.
13Excludes the letters Q, W, and X. Note that foreign plates that contain these characters are not read correctly.
14Optimized for fixed installations.
15Optimized for SharpZ3 cameras with 850nm IR illuminators.
16Exposure settings are optimized for non-reflective taxi plates. Note that performance with standard plates might be reduced.
17Supports standard and motorcycle plates.
18WithPrefix includes characters that are present on the plate, but are separate from the license plate read.
19Specialized ALPR contexts available for ABMER (590 nm) and IR (850nm) illuminators.
20Supports Latin characters only.
21Supports plates with three or more characters. Note that using this context might increase the false positive count.