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Carmen Parking 

Frequently Asked Questions

·What is the recognition accuracy of CARMEN Parking?

Recognition accuracy depends on several factors. Under the circumstance of an average parking or access control system/application, the recognition accuracy is steadily over 95%. 97-98% is frequently reached in 24 hours/day, 7 days/week operation.

·Can CARMEN Parking improve its recognition capabilities by examining more than one pictures of the same car?

Yes, it can. CARMEN Parking is optimised for parking and access control systems, and provide a recognition result by analysing a short film of the vehicle, instead of a single picture only.

·Can CARMEN Parking read coloured plates?

Yes, CARMEN Parking internally converts colour images into monochrome (grayscale) format. As a result, two different types of plate can be distinguished: (a) dark characters on light background (b) light characters on dark background. CARMEN successfully reads both types.

·Is CARMEN Parking able to read two-row number plates?

Yes, it is. CARMEN Parking is capable of reading and recognising vehicle registration numbers written in two rows.

·Can CARMEN Parking read both front and back plates?

Yes, it can. CARMEN Parking reads plates regardless of their location.

·Is CARMEN Parking capable of reading number plates from every country?

Yes, with appropriate training CARMEN Parking is capable of reading basically all number plates made up of alphanumeric characters and it even has versions for Cyrillic, Arabic and Oriental characters too.

·Can number plate recognition systems with CARMEN Parking work 24 hours/day, 7 days/week, under all weather conditions?

Yes, CARMEN Parking provides high tolerance recognition technology enabling systems to work reliably 24 hours/day, 7 days/week. There are several of such systems under operation for many years.

·Can a single copy of CARMEN Parking control multiple lanes of traffic?

Yes, it can. However the more lanes are controlled, the slower the process of recognition per lane becomes.

·Is CARMEN Parking provided with a capture card?

Yes, it is. CARMEN Parking comes with FXVD4 4-channel video capture card.

·Does CARMEN Parking Can a single copy of CARMEN Parking control multiple lanes of traffic?

Yes, it can. However the more lanes are controlled, the slower the process of recognition per lane becomes.

·Is there any probability or confidence level information provided by CARMEN Parking together with the result of recognition?

Yes, CARMEN Parking provides a list of possibilities for every recognised character and indicates the confidence level of the recognition. This information can be used in advanced database systems.