ANPR Project Day 1: Standard Format of Indian Number Plate
The main purpose of ANPR project is to recognize the characters present in the number plate. To do this first, understanding the standard format of Indian Number Plate is required.
Since June 1, 2005, the Government of India has introduced High Security Registration (HSR) number plates which are tamper proof. All new motorized road vehicles that come into the market have to adhere to the new plates, while existing vehicles have been given two years to comply with. Features incorporated include the number plate having a patented chromium hologram; a laser numbering containing the alpha-numeric identification of both the testing agency and manufacturers and a retro-reflective film bearing a verification inscription "India" at a 45-degree inclination. The numbers would be embossed on the plate, rather than being painted for better visibility. The term "India" is to be in a light shade of blue. But still most of the vehicles don't follow this format.
Using this standard format, the methodology will be designed for this project. A sample image of the standard format of Indian Number Plate is given below:
The first two alphabets indicate that the vehicle is from which state. The next two are representing the district. P 8488 is the unique license plate number. In some states (such as the union territory of Delhi) the initial 0 of the district code is omitted; thus Delhi district 2
numbers appear as DL 2 not DL 02. The National Capital Territory of Delhi has
an additional code in the registration code:
Since June 1, 2005, the Government of India has introduced High Security Registration (HSR) number plates which are tamper proof. All new motorized road vehicles that come into the market have to adhere to the new plates, while existing vehicles have been given two years to comply with. Features incorporated include the number plate having a patented chromium hologram; a laser numbering containing the alpha-numeric identification of both the testing agency and manufacturers and a retro-reflective film bearing a verification inscription "India" at a 45-degree inclination. The numbers would be embossed on the plate, rather than being painted for better visibility. The term "India" is to be in a light shade of blue. But still most of the vehicles don't follow this format.
Using this standard format, the methodology will be designed for this project. A sample image of the standard format of Indian Number Plate is given below:
The first two alphabets indicate that the vehicle is from which state. The next two are representing the district. P 8488 is the unique license plate number. In some states (such as the union territory of Delhi) the initial 0 of the district code is omitted; thus Delhi district 2
numbers appear as DL 2 not DL 02. The National Capital Territory of Delhi has
an additional code in the registration code:
DL 11 C AA 1111
Where DL is the two letter code for Delhi (DL). The additional C (for category of vehicle) is the letter 'S' for two-wheelers, 'C' for cars., 'P' for public passenger vehicles such as buses, 'R' for three-wheeled rickshaws, 'T' for tourist licensed vehicles and taxis, 'V' for pick-up trucks and vans and 'Y' for hire vehicles. Thus a Delhi-specific example is:
DL 5 S AB 9876
These variations exist from state to state and even old 1939 series is also in circulation. The special case also include VIP numbers. Due to this wide variations, I have stuck to the state based standard format shown in first pic.
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