Audi Q7 2018 - Camera-Based Traffic Sign Recognition

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Camera-based traffic
sign recognition
Description
App lies to: vehicles with camera-based tr affic sign recogni-
tio n
~ 180 m 1 & I
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Fig. 90 Instrument cluster: traff ic sign reco gnition
Fig. 9 1 Windsh ield: camera window for t raffic sign recog-
nition
Traffic sign recognit io n assis t s you when driving
by disp laying detected speed limits or signs pro -
hibit ing passing in the instrument cluster d isp lay
c::> fig . 90 . Within the limits of the system, the le-
gal speed limits in school zones are detected and
d isp layed.
General information
Traffic sign recognit ion can detect standa rd
speed limit sig ns that are within the camera's vis-
ua l field. With assistance from navigation data,
detected speed limits are evaluated and shown in
the disp lay. The traffic sign for the current de-
tected speed limit will blink in the display if you
exceed the war ning th reshold set in the Infotain-
ment system
c::> page 98 .
The traffic sign recogn ition is subject to certain
system limitations and may be unavailab le or on -
ly partia lly available in the followi ng situations:
A s si s t a nce s ystems
- when visibility is poor, s uch as in snow, rain,
fog or heavy spray
- when there is glare, for example from oncom-
ing traffic or the sun
- at high speeds
- if t he camera 's visual field
c::> fig. 91 is cove red,
for examp le by dirt or st icke rs. For info rmation
on cleaning, see
c::>page 351 .
- if the t raff ic signs are comp letely or partially
covered, for examp le by t rees, snow, dirt or
other vehicles
- if speed t raffic signs do not conform to the
stand a rds
- if t raffic signs are damage d or ben t
- if traff ic sig ns are d isplayed o n sig n holders
with elec t ronic s igns
- if the traffic signs or the configu ration of the
road have changed (navigation data is no lon-
ge r up-to-da t e)
_&. WARNING
Pay at ten t ion to traffic and t he area around
your vehicle when traffic sign recogn ition is
turned on . The traffic signs insta lled on the
road a lways ta ke precedence over the display.
The dr iver is a lways responsible for assessing
the traffic situation.
- Under some circumstances, traffic s ign rec-
ognition may not detect traff ic signs cor-
rectly or detect them at a ll. As a resu lt, the
system may not dis play the correct speed
limit or any speed limit.
- Traffic sign recognit ion does not adapt your
veh icle's speed to match the speed limit!
- The display in the instrument cluster is
based on the units of measurement used for
speed in that country. As a result, the dis-
play
50 in t he inst rument cluste r can mean
eithe r km/h or m ph, depend ing o n t he cou n-
try.
-
97