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When you change the used face recognition module, for example, replace the Cognitec module with the VA module or vice versa, the biometric vectors are automatically regenerated. This is necessary because biometric vectors received by one face recognition module cannot be used by another.

The biometric vectors are also automatically regenerated when you switch the VA SDK version or the face recognition and search algorithm of VA and VideoIntellect 1.1 face recognition modules.

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Note
titleAttention!

Errors may occur during the biometric vectors regeneration process.

For example, an error may occur due to the fact that the new face recognition module SDK or the algorithm of the Va VA ALG2 face recognition module cannot recognize a face on a poor quality image and recreate a vector due to its better and more demanding recognition capabilities. Therefore, such image can be skipped.

Code Block
languageyml
[FIRSERVER][1] ERROR: Problem with regenerating fir for id 79656915-5BC1-E811-AA3F-1C1B0D34F0DF, skipping ...

If Axxon PSIM malfunctions after the vectors regeneration, do the following:

  1. Shut down Axxon PSIM.
  2. Run the FaceRecognitionTool.exe utility stored at: <Axxon PSIM installation folder>\Modules.

  3. Specify required settings—in the Path field, specify the path to the folder to which the data will be uploaded (for example, C:\Backup).

  4. Upload the data.

    Info
    titleNote

    For more information on the FaceRecognitionTool.exe utility, see Face Recognition Tool utility for extracting captured and reference faces from the database.


  5. Execute the following script in the database manager (for example, SQL Server Management Studio):

    Code Block
    languagesql
    USE [Fir]
GO
DECLARE	@return_value int
EXEC	@return_value = [dbo].[spReset]
SELECT	'Return Value' = @return_value
GO


  6. Start Axxon PSIM and upload images from the folder specified in the Path field to the reference face database (see Selecting a way to upload an image to the reference face database).

     

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