VPAR v4.0 - Neurallabs

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Table of Contents VPAR v.4 DLL Reference Manual October 10 Initialization / Finalization 3 vparInit 3 vparEnd 5 Reading Plates 6 vparRead 6 vparReadRGB24 7 vparReadRGB32 8 vparReadBMP 9 vparReadJPG 10 Retrieving Results 11 vparGetNumberOfPlates 11 vparGetText 12 vparGetNumberOfCharacters 13 vparGetGlobalConfidence 14 vparGetAverageCharacterHeight 15 vparGetCharacterConfidence 16 vparGetRectangle 17 vparGetFormat 18 Time Management 19 vparGetProcessingTime 19 vparSetTimeOut 20 Optional Configuration 21 vparSetCorrectionCoefficients 21 vparSetDistortionCorrectionOff 22 vparConfigureAutomaticCharacterHeight 23 vparSetRectangle 24 Storing Data into the HASP Dongle 25 vparWriteHASP 25 vparReadHASP 26 Miscellaneous 27 vparComparePlates 27 Example of Use 28 NEURAL LABS S.L. Carrer Sant Eduard 31. 08290 Cerdanyola del Valles. Barcelona - Spain. http://www.neurallabs.net 2 de 28
Initialization / Finalization vparInit VPAR v.4 DLL Reference Manual October 10 Initializes the Vehicle Plates Automatic Reader (VPAR). It loads the Artificial Neural Networks used by the OCR and initializes parameters. This function must be called before calling any other function in this library. long vparInit (long lCountryCode, long lAverageCharacterHeight, bool bDuplicateLines = false, long lreserved1, long lreserver2, bool bTrace = false ); Arguments lCountryCode County code used for selecting the target country for license plate recognition. See declaration file for a list of supported countries. lAvCharacterHeight Approximate average height of the characters in the plates to read. If this argument is -1, the library uses automatic height mode and tries to read characters of any height. If -1 is passed, the processing time will be increased. bDuplicateLines In order to properly recognize images acquired with only half of the scan lines, this argument must be true. For images acquired with all the lines, this parameter must be false. lreserved1 Sort characters in squared plates (plates with two rows of characters). If this argument is false, the characters in the top row are returned first, followed by the characters in the bottom row. If it is true, the characters are re-arranged to match the Spanish format. (For example, if this parameter is true, a plate with the top line “BU AX” and bottom line “5278” would be re-arranged to generate the result “BU5278AX”. In the other hand, if this argument is false, the result would be “BUAX5278”). NEURAL LABS S.L. Carrer Sant Eduard 31. 08290 Cerdanyola del Valles. Barcelona - Spain. http://www.neurallabs.net 3 de 28
Page 1: VPAR v4.0 DLL Reference Manual Octo
Page 5 and 6: vparEnd VPAR v.4 DLL Reference Manu
Page 7 and 8: vparReadRGB24 VPAR v.4 DLL Referenc
Page 9 and 10: vparReadBMP VPAR v.4 DLL Reference
Page 11 and 12: Retrieving Results vparGetNumberOfP
Page 13 and 14: vparGetNumberOfCharacters VPAR v.4
Page 15 and 16: vparGetAverageCharacterHeight VPAR
Page 17 and 18: vparGetRectangle VPAR v.4 DLL Refer
Page 19 and 20: Time Management vparGetProcessingTi
Page 21 and 22: Optional Configuration vparSetCorre
Page 23 and 24: VPAR v.4 DLL Reference Manual Octob
Page 25 and 26: VPAR v.4 DLL Reference Manual Octob
Page 27 and 28: Miscellaneous vparComparePlates Com

VPAR v4.0 - Neurallabs

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