Automatic Number Plate Recognition

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AUTOMATIC NUMBER PLATE RECOGINITION

INTRODUCTION

ANPR is a mass surveillance method that uses optical character recognition on images to read the license plate on vehicles. They can use road rule enforcement cameras for electronic toll collection.

OTHER NAMESAutomatic license plate recognition{ALPR}.Automatic vehicle identification {AVI}.Car plate recognition {CPR}License plate recognition {LPR}.

HISTORY

Invented in 1976 at police scientific development branch in the u k. the first arrest is in 1981

TECHNOLOGYIt uses optical character recognition[OCR] on images taken by Cameras. Dutch vehicle registration plates switched to a different style in 2002one of the changes made was to the font ,introducing small gap in some letters.

ANPR in mobile systems

1) Maintenance free operation.

2) No moving parts.3) Configurable.4) Low maintenance.5) Reduces cost -efficiency&

ADVANTAGES

1.POOR IMAGE RESOLUTION. 2.BLURRY IMAGES.3.POOR LIGHTING DUE TO OVER EXPOSURE.4.REFLECTION &SHADOWS.5.LACK OF COORDINATION.

Disadvantages

ROAD TOLLING CAR PARK MANAGEMENT.SECURITYJOURNEY TIME MEASUREMENTSTATE BORDER CONTROLVEHICLE THEFT PREVENTION

APPLICATIONS

CONCLUTION

Thanks