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Note

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Current release version of VitML.Recognition.Client: 2.2.2

Info

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As a part of VitML.Recognition.Client distribution, we provide a sample GUI application which demonstrates the operation of VIT Recognition System API. It allows to send images to VIT Recognition Server and receive the corresponding license plate recognition results + additional meta data.

Within the delivered package, the sample application is located in VitML.Recognition.Client.TestClient folder.

Name of the executable: VitML.Recognition.Client.TestClient.exe.

GUI sections:

VIT Recognition Server connection settings.
Recognition settings which specify how your image should be processed.
Recognition request data you will specify to receive as part of recognition result.
Recognition response data (recognition result will be displayed hereimage processing result).
Recognition history: list of sent requests and the corresponding results (new requests on the top).
Images section (displays last the latest sent and received images).

Usage steps:

Table of Contents

Step 1. Specify the connection settings

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Host — IP address of the machine where your VIT Recognition System is functioning (127.0.0.1 by default).
Port — service port of your VIT Recognition System (5432 by default).
Database — name of the database on VIT Recognition System's side that , which stores the images you send, as well as the corresponding license plate recognition results.
User — database user's name.
Password — password to access the database.

Step 2. Specify the recognition settings

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Recognition requests source ID — your identifier (as VIT Recognition System's client, i.e. the source of recognition requests); the client is responsible for

recognition requests source's ID uniqueness

uniqueness of this ID.
Recognition requests source name — your name (as VIT Recognition System's client).

License plate star max count — maximum number of unrecognized symbols on the license plate image

to still send back

, when the result is still considered valid and is sent to the client.

The unrecognized

Info
Unrecognized symbols are substituted with the asterisk symbol ( *

in the resulting data structure

) in recognition result string, hence the option's name.

License plate validity min — minimum value of license plate recognition validity (preciseness)

to still send back

, when the result is still considered valid and is sent to the client.

Info
For each recognition result, validity is determined by the recognition engine by its own criteria.

Step 3. Load the image to analyze

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Step 4. Change sizes of recognition zone and plate

size

image

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Edit plate size — allows to visually specify the license plate sizes which will be taken into account while recognizing processing your image:
Minimum
1. Maximum size of license plate's image.
If its size is less than
1. If the license plate image's size exceeds this value, the system
ignores the
1. will ignore this license plate.
Maximum
1. Minimum size of license plate's image. If
its size exceeds
1. the license plate image's size is less than this value, the system will ignore
the
1. this license plate.
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Edit zone — allows to specify a so-called "recognition zone", a zone in the image where the license plate detection will be done, while ignoring the . The rest of the image (which is not included into the recognition zone) is ignored by the recognition engine. By default, if recognition zone is not specified, license plates are searched on the whole frame.
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