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To optimize the operation of the License plate recognition RR and Vehicle recognition RR on GPURR—Search in archive detector on GPU, do the following:

1. Stop the server (see Stopping the server).
   

   Note
   title Attention!
   If the system has the software running on GPU, it is necessary to stop its operation.

2. Create the GPU_CACHE_DIR system variable (see Appendix 9. Creating system variable) by specifying in the Variable value field the path to the cache location with an arbitrary folder name. For example, D:\AO_GPU_cache. The specified directory will store the cache for all used detectors and neural networks.

3. To call the utility, open in the command line: C:\Program Files\Common Files\AxxonSoft\DetectorPack\RRGpuCacheGenerator.exe and press Enter.

4. Select the required cache sets by specifying the y value:

   1. lpr recognition—recognition of a vehicle license plate;
   2. vehicle recognition—recognition of a vehicle.
      When you select the lpr recognition cache set, you need to specify the required countries in the numeric or alphabetic form. After you select all required countries, enter the done value.
      

      Expand
      title Expand the list of countries
      AM (Armenia) AR (Argentina) AT (Austria) AZ (Azerbaijan) BE (Belgium) BG (Bulgaria) BN (Brunei) BR (Brazil) BY (Belarus) CI (Ivory Coast) CN (China) CO (Colombia) CY (Cyprus) CZ (Czech Republic) DE (Germany) DK (Denmark) EE (Estonia) EG (Egypt) ES (Spain) FI (Finland) FR (France) GE (Georgia) GR (Greece) HR (Croatia) HU (Hungary) ID (Indonesia) IE (Ireland) IT (Italy) KG (Kyrgyzstan) KZ (Kazakhstan) LT (Lithuania) LU (Luxembourg) LV (Latvia) MD (Moldova) MM (Myanmar) MT (Malta) MX (Mexico) MY (Malaysia) NL (Netherlands) PE (Peru) PL (Poland) PT (Portugal) PA (Panama) PY (Paraguay) RO (Romania) RS (Serbia) RU (Russia) SE (Sweden) SI (Slovenia) SK (Slovakia) TJ (Tajikistan) TM (Turkmenistan) UA (Ukraine) UZ (Uzbekistan) UY (Uruguay) VN (Venezuela) VN (Vietnam) US (USA) LK (Sri Lanka) CL (Chile) TN (Tunisia)

   3. When you select the vehicle recognition cache set without lpr recognition, you must choose the territory where vehicle recognition is going to be performed:
      
      1. CIS countries—1;
      2. Other countries—2.
         
5. Select one of the accuracy and performance values by specifying the corresponding number:
   
   1. Medium accuracy, high performance—1, provides medium recognition accuracy and high performance of the GPU (less load on the GPU);
   2. High accuracy, medium performance—2, provides high recognition accuracy and medium performance of the GPU (high load on the GPU).
      
6. Specify the ID of the required GPU (see Selecting Nvidia GPU when configuring detectors).
7. Press Enter.

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Optimizing the operation of the the License plate recognition RR and Vehicle recognition RR RR—Search in archive detector on GPU is complete.

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