|
GENERAL
|
VIDEO STREAM RECOGNITION SDK
|
SINGLE FRAME RECOGNITION
ENGINE SDK
|
|
Input as a single image in memory
RAM
|
No
|
Yes
|
|
Input as a sequence of images in
memory RAM
|
Yes
|
No
|
|
Samples with source code
|
C++6.0, C++7.0, C# VB.NET
|
C++6.0, C++7.0, C# VB.NET
|
|
Ease of integration
|
High (only 5 exported functions)
|
High (only 5 exported functions)
|
|
Syntax-checker
|
Fully automatic. Country independent.
|
Fully automatic. Country independent.
|
|
Response time
|
Nearly real time: less than 0.5s after the passage of the vehicle.
(Pentium 3 GHz)
|
0.4 s. (Pentium 3 GHz)
|
|
recognition confidence rate
|
Yes (0-100)
|
Yes (0-100)
|
|
Percentage
of exact readings (N characters)
|
VIDEO STREAM
RECOGNITION SDK
|
SINGLE FRAME
RECOGNITION ENGINE SDK
|
|
Single image of a stopped vehicle (for ex in front of a barrier)
|
N.A.
|
72%
|
|
Single image of high speed moving vehicle (for ex. over speeders)
|
N.A.
|
56%
|
|
Percentage
of exact readings (N-1 characters)
|
VIDEO STREAM
RECOGNITION SDK
|
SINGLE FRAME
RECOGNITION ENGINE SDK
|
|
Single image of a stopped vehicle (for ex in front of a barrier)
|
N.A.
|
90%
|
|
Single image of high speed moving vehicle (for ex. over speeders)
|
N.A.
|
82%
|
|
Type of
license plate
|
VIDEO STREAM
RECOGNITION SDK
|
SINGLE FRAME
RECOGNITION ENGINE SDK
|
|
Dark digits/letters on a light
background
|
Yes
|
Yes
|
|
Light digits/letters on a dark
|
Yes
|
Yes
|
|
English letters
|
Yes
|
Yes
|
|
alphanumeric on two
lines
|
Yes
|
Yes
|
|
License
plate reading from video
|
VIDEO STREAM
RECOGNITION SDK
|
SINGLE FRAME
RECOGNITION ENGINE SDK
|
|
Vehicle presence detection
|
Yes trigger or fully automatic
|
Yes
|
|
Independent of type
of frame-grabbers and cameras
|
Yes
|
Yes
|
|
Optimized reading
from multiple images of the same vehicles
|
Yes
|
No
|
|
Comparison 1 to N
|
Yes automatically
detects if the current vehicle belongs to a predetermined list
|
No
|
|
Percentage of exact readings from a
mobile camera onboard of a vehicle (up to 30km/h)
|
Yes automatic
detection + reading
Accuracy :
80%
|
N/A
|
|
Percentage of exact readings of
vehicles crossing from side to side of an access barrier
|
Yes automatic
detection + reading
Accuracy :
92%
|
N/A
|
|
Percentage of exact readings of
vehicles moving along a road
|
Yes automatic
detection + reading
Accuracy : NC
|
N/A
|
|
Minimal
requirements of image acquisition
|
·
The license plate must be readable without any hesitation by
an operator.
·
The characters height must be ranged between 18 and 35 pixels.
·
The
contrast on the license plate must be more than 65 greyscale level.
|
|
Limitations
|
VIDEO STREAM
RECOGNITION SDK
|
SINGLE FRAME
RECOGNITION ENGINE SDK
|
|
hardware protection
key
|
Yes
|
Yes
|
|
Downloadable
version
|
No
|
Use limited to 2
weeks
|
