Presentation on intelligent traffic prediction system
1. Presentation on Road Traffic
Information using Cellular Networks
Presented By
Engr. Md. Tanzir Ahsan
Id-012152019
2. Road Traffic Information
INTRODUCTION
VIDEO SURVEILLANCE SYSTEMS
TRAFFIC MONITORING ISSUES
ROAD MAP & TRAFFIC DETECTION
CONVENTIONAL & NEW TRAFFIC DATA SOURCES
NEW DATA PROVIDERS
VEHICLE TRACKING STRATEGIES
A REAL TIME SYSTEM EXPLANATION
DRAWBACKS
3. INTRODUCTION
• ROAD TRAFFIC CAN BE MONITORED BY MEANS OF STATIC SENSORS AND DERIVED
FROM FLOATING CAR DATA.
• THE TRAFFIC INFORMATION OF ROAD CAN BE COLLECTED IN A VARIOUS WAYS,
SUCH AS
USING ROAD SIDE DETECTORS
PUBLIC CALLERS
FLOATING CAR DATA
LICENSE PLATE MATCHING
4. Video surveillance
Present Implementations
Human detection systems.
vehicle monitoring systems.
Advantages of video surveillance
Keep track of information video data for future use.
Helpful in identifying people in the crime scenes etc..
Disadvantages of the present system
It’s difficult to maintain heavy amount of raw video data
Human interaction.
Require higher bandwidth for transmitting the visual data.
5. Need for Traffic Monitoring
To reduce the traffic congestion on highways
Reduce the road accidents
Identifying suspicious vehicles. Etc..
6. Traffic Monitoring
Traffic scene analysis in 3 categories.
A strait forward vehicle detection and counting system .
Congestion monitoring and traffic scene analysis.
Vehicle classification & tracking systems which involve much more detailed scene traffic
analysis.
7. Road Map and Traffic Detection
Uses existing Detection Systems
Traffic: qCar, qHGV, vCar, vHGV (per time for every lane)
Road Map: Distance between adjacent cross sections (= section),
location of ascents, descents, entrances, exits
100100
Central Traffic ComputerLocal ComputerTraffic Detection
Traffic Sign Gantry
Environmental
Detection
8. Substitute Values
Substitute missing Data by Time-Distance Traffic Forecast
use previous cross section to forecast traffic on main and exit lanes
use following cross section to forecast traffic on entrance lanes
use historical data when neighbor cross section not available
8 0 ! 8 0
q qCar Hgv
v vCar Hgv
100100
1 2
3
Time Distance Forecast
Detect ariving vehicles at
cross section,
Trace vehicles during the
sector by using detected
vehicle speed,
calculate number of cars,
that arrive at subsequent
cross section for
observed time interval.
10. NEW TRAFFIC DATA SOURCES
ROAD-SIDE TRAFFIC SENSORS
• ACOUSTIC SENSORS
• MICROWAVE RADAR
• LIDAR AND ACTIVE INFRARED (SIDE-FIRE) SENSORS
• VIDEO IMAGE DETECTION
• RADIO FREQUENCY IDENTIFICATION (RFID) TAGS
GPS-BASED HOUSEHOLD TRAVEL SURVEYS
MOBILE PROBE-TYPE DATA SOURCES
12. CELLULAR GSM DATA AND TRAVEL ROUTE
DETERMINATION
Fig: A theoretical route (tessellated cell towers) Fig: A realistic route tessellated from cell towers
14. OTHER ISSUES
MASS COLLECTION OF TIME-STAMPED POSITION DATA WILL REQUIRE NEW
METHODOLOGIES FOR ITS STORAGE, INTERROGATION AND SUMMARIZATION.
SAMPLING (AND DATA ACCURACY)
POST-COLLECTION STATISTICAL ANALYSIS
INFORMATION PRIVACY
INTELLECTUAL PROPERTY RIGHTS
STORAGE
15. ‘NEW DATA’ PROVIDERS AND NEW DATA
INITIATIVES
THERE ARE ALSO A RANGE OF CROWD-SOURCING PLATFORMS ENABLING ROAD
USERS TO SHARE TRAFFIC INFORMATION FROM MOBILE DEVICES, E.G. WAZE,
BEATTHETRAFFIC, WHICH ARE ALSO INCLUDED AS A SOURCE.
IN AUSTRALIA, THERE ARE SOME COMPANIES PROVIDING CONVENTIONAL
TRAFFIC DATA COLLECTION SERVICES (E.G. AUSTRAFFIC AND SKYHIGH TRAFFIC
DATA) USING VARIOUS LEVELS OF TECHNOLOGY
16. PRIVATE SECTOR TRAFFIC DATA PROVIDERS
• WORLD-WIDE DIGITAL TRANSPORT DATA AND INFORMATION SERVICE
PROVIDERS —INCLUDING APPS. HERE (WWW.HERE.COM, FORMERLY
NAVTEQ/NOKIA MAPS)
• INRIX (WWW.INRIX.COM)
• AIRSAGE (WWW.AIRSAGE.COM)
• TOMTOM (WWW.TOMTOM.COM)
• GOOGLE (MAPS.GOOGLE.COM) – INCLUDING WAZE (APP) (WWW.WAZE.COM)
• SUNA GPS TRAFFIC UPDATES (HTTP://WWW.SUNATRAFFIC.COM.AU)
• NAVIGON USA ( APP) (HTTP://WWW.NAVIGON.COM/PORTAL/SITES.HTML)
• MOTIONX GPS DRIVE ( APP) (HTTP://NEWS.MOTIONX.COM)
17. Vehicle detection techniques
Model based detection
Region based detection
Active contour based detection
Feature based detection
18. A REAL TIME TRAFFIC MONITORING SYSTEM
Feature based tracking
algorithm
•Camera calibration
•Feature detection
•Vehicle tracking
•Feature grouping
Benjamin Coifman, Jitendra Malik, David Beymer
19. DRAWBACKS
GSM NETWORKS DON’T WORK WELL IN THE URBAN AREAS
TEMPORARY FAULTS OF SENSOR
SENSOR DATA ARE MISSING FOR SOME DAYS DUE TO THE PROBLEM IN THE
RECORDING SYSTEM
TOLL DATA ARE PARTLY MISSING ON WEEKENDS & HOLIDAYS
20. CONCLUSION
RECENT AND EMERGING TECHNOLOGIES OFFER SIGNIFICANT OPPORTUNITIES FOR
COLLECTING MORE INFORMATION, MORE COST EFFECTIVELY, ABOUT PERSONAL
TRAVEL ACTIVITY AND ROAD USE, THAT CAN BETTER INFORM DAY-TO-DAY
NETWORK MANAGEMENT, LONG-TERM INFRASTRUCTURE PLANNING AND ROAD
USER TRAVEL CHOICES. GPS, GSM AND BLUETOOTH TECHNOLOGIES PROVIDE
OPPORTUNITIES FOR COLLECTING MORE INFORMATION ABOUT WHEN AND WHERE
VEHICLES USE THE ROAD NETWORK.