ALPR
they quote the most recent accuracy results from, say, an potential will require the cooperation and consideration
Israeli Highway to a potential client somewhere on the by each country and state towards eliminating those
East coast of the US. potentials for error inherent in many license plates; issu-
The future
“A good license
ing agencies need to understand what
makes a license plate difficult to inter-
There is no question that the develop- plate reading pret. This also assumes teamwork
ment of better cameras and illuminators
system can produce
among states and bordering countries
has made the capture of excellent involving the design and assignment of
license plate images a reality and this extremely good even the alpha-numerics that make up
has led to greater performance of the
results”
a license plate with a universal goal of
OCR algorithms tasked with interpret- making it easier for each state to iden-
ing those images and creating useful data. A good tify violating vehicles from their own state as well as
license plate reading system, one where the image cap- other states.
ture technology is matched with the capabilities of the This is a big task, but it can be accomplished and may
OCR technology, can produce extremely good results. require a period of time to be fully realized. With the
To approach the high accuracy rates that the design cooperation of individual states it will be possible for
and engineering community is specifying at this point good ALPR suppliers to deliver, with confidence, sys-
takes a bit of cleverness on the part of the ALPR vendors, tems that can provide greater than 98 per cent accuracy
who are now using tools that go well beyond the basic for traffic whether in Jerusalem or in Philadelphia. TH
optical character recognition. To fully realize ALPR’s
jimk@inexzamir.com
42 Vol 4 No 1 Thinking Highways
www.thinkinghighways.com
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44 |
Page 45 |
Page 46 |
Page 47 |
Page 48 |
Page 49 |
Page 50 |
Page 51 |
Page 52 |
Page 53 |
Page 54 |
Page 55 |
Page 56 |
Page 57 |
Page 58 |
Page 59 |
Page 60 |
Page 61 |
Page 62 |
Page 63 |
Page 64 |
Page 65 |
Page 66 |
Page 67 |
Page 68