Check for Character Height & Threshold
•
Check the
A
“
Char height Min
” (Minimum Character Height) to the number of pixels [pixels] expected by software,
while
B
“
Char height Max
” (Maximum character height) is the maximum character height [pixel] expected by
software. Minimum acceptable character is 20 pixels.
•
C
Threshold
will allow to cutout readings with weak confi dence in order to avoid fake readings. Note this may make
some plates that are read partially to be missed.
•
A bright, clear and well sized plate image generate a score = 100. A misreading will fall below 50. A good initial setting
for the threshold is = 70.
•
You may adjust these values to optimize the readings in your installation
4.3 Fine Tuning Settings
Try changing the following settings for a clear picture.
A
B
C
