Acti ALPR Server 1 V1.0.1 Bedienungsanleitung PDF herunterladen (Seite 27)

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ACTi ALPR Server 1 User’s Manual

To start setting up your License Plate Recognition algorithm, follow the steps below:

1. Adjust the LPR Property Settings to get the most optimal results:

Property

Description

Default

Country

Used as reference only. Allows you to choose from a

predetermined list of countries, to increase the accuracy

of recognition results.

Taiwan

Enable

Enables LPR algorithm.

Enabled

Maximum

Car Plate

Height

Set the maximum height (1-120 pixels) of any license

plate to be recognized. Any license plate whose height is

larger than this value will be ignored. The Maximum

Plate Size Reference Frame (found in the bottom left

corner of the Live View Display) provides visual

reference for the value selected. The ratio between

Maximum Car Plate Height and Minimum Car Plate

Height should be as close to 2 as possible.

Maximum

Car Plate

Width

Set the maximum width (1-160 pixels) of any license

plate to be recognized. Any license plate whose width is

larger than this value will be ignored. The Maximum

Plate Size Reference Frame (found in the bottom left

corner of the Live View Display) provides visual

reference for the value selected. The ratio between

Maximum Car Plate Width and Minimum Car Plate

Width should be as close to 2 as possible.

Minimum

Car Plate

Height

Set the minimum height (1-120 pixels) of any license

plate to be recognized. Any license plate whose height is

smaller than this value will be ignored. The Minimum

Plate Size Reference Frame (found in the bottom left

corner of the Live View Display) provides visual

reference for the value selected. The ratio between

Maximum Car Plate Height and Minimum Car Plate

Height should be as close to 2 as possible.

Minimum

Car Plate

Width

Set the minimum width (1-160 pixels) of any license

plate to be recognized. Any license plate whose width is

smaller than this value will be ignored. The Minimum

Plate Size Reference Frame (found in the bottom left

corner of the Live View Display) provides visual

reference for the value selected. The ratio between

Maximum Car Plate Width and Minimum Car Plate

Width should be as close to 2 as possible.

Post-buffer

Time

Set the amount of time (in seconds) that video footage

will be recorded after a license plate is recognized.

Pre-buffer

Time

Set the amount of time (in seconds) that video footage

will be recorded before a license plate is recognized.

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