automatic passenger counting with expandable …...automatic passenger counting with expandable...
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Automatic Passenger Counting with expandable features
APC Webinar
Andreas Rakebrandt
Director Business Development APC
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Automatic Passenger Counting
APC Presentation
History of APC technologiesCurrent status of systemsFuture/trends of APC technologiesHow it benefits transit agenciesChallengesAccuracy issuesReliabilityHardware maintenance issuesEtc.
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Automatic Passenger Counting
APC Presentation
• Detailed counts at stop level for every route
• Calculating on-time performance
• Ridership by trip, route, stop, time-periods, peak time etc
• NTD reporting
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Automatic Passenger Counting
APC Presentation
• Most important: Accurate data
• Specify the margin of error it must meet
• Testing methods process of installed product
Agency expectation of an APC system?
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Automatic Passenger Counting
APC Presentation
History of APC technologies
• Counting mats• Side Beam Barrier• Weight measurement (train)
• Reflection light scanner (active only)• Thermo scanner (passive only)
• Combination of active and passive sensor• Time of flight technology IRMA 3D
• Video based system
• Time of Flight (TOF) technology produces 3D images
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Automatic Passenger Counting
APC Presentation
Current status of APC systems
Counting Mats Obsolete
Side Beam barrier Obsolete, but still in use
UTA, Trapeze (Red pine), Clever Devices
Active sensor technology Current Dilax, Infodev, UTA, IRIS IRMA Basic /INIT
Active Passive Technology Will be phasedout in 2016
IRIS IRMA advanced /INIT
Time of Flight 4 pixel Current IRIS IRMA 3D/INIT
Stereoscopic camera Current Hella
Time of flight 3D Images 500 pixel
Current Iris IRMA Matrix/INIT
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7INIT Company Presentation © 4/03/2015 INIT GmbH
Legacy Sensors
Low accuracy when bulk entries occur
Horizontal Beams
Poor accuracy when there is a wide door on the bus and two people walk in at the same time
What happens if somebody stands in the door way while another person walks out?
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8INIT Company Presentation © 4/03/2015 INIT GmbH
Example installation
Active sensor: Low accuracy when bulk entries occur
Sensors have to correctly adjusted to avoid false counts (maintenance costs)
Video camera needs sufficient distance to object, Camera can not mounted in the door area. Needs height clearance
Dependant on sufficient light
Vulnerable to changing conditions (temperature, moisture, reflections)
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9INIT Company Presentation © 3/4/2015 INIT GmbH
APC Key Components
Processing & Evaluating
Storing and Transmitting
Counting and analyzing
IRMA System
OnBoard Computer
MOBILEdvm
MOBILEstatistics
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APC system integration
• Vehicle survey: Width and height of the door
• Mounting Location of Equipment
• Installation testing and verification
• APC Test Ride
• APC verification based on IRIS specification related to VDV Standard 457
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IRMA4-Basic
Active Infrared
Signal Detection
IRMA4-Advanced
Active-Passive Infrared
Signal Detection
IRMA4-3D
Infrared Distance Detection
IRMA5-Matrix
Infrared Image Detection
Sensor Product Family
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Accuracy Overview
IRMA Basic
(Active)
IRMA Advanced
(active/passive)
IRMA 3D
TOFL
IRMA Matrix
TOFL
Passenger error 5% 5% 4% 2%
Balanced error for
boarding passengers 13% 10% 8% 4%
Balanced error for
alighting passengers 13% 10% 8% 4%
Typical
Unbalanced error NA NA 10% < 8 %
Required
Passengers1000 700 500 500
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Accuracy IRIS Accuracy Definition
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Accuracy IRMA Testride MTS San Diego
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Accuracy Overview MTS San Diego
RAW Data
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Trends of technology
• Manual Sensor Calibration towards easy maintenance free installation
• Fulfillment of higher Accuracy Requirements needs smarter technology Counting for Wheelchair, bikes, stroller.
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Automatic Passenger Counting
APC Presentation
Mounting Screws
Adjusting Screws
Passive InfraredSensor
Active Infrared Receiver
Active Infrared Transmitter
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Automatic Passenger Counting
APC Presentation
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Automatic Passenger Counting
APC Presentation
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20INIT Company Presentation © 3/4/2015 INIT GmbH
Sensor Overview
Laser light pulse is emitted and reflected by an object und picked up again by the sensor. The distance results from the runtime between time of emission and time of reception (Time of Flight).
Reflective and non-reflective surfaces
Humidity
Luminance
Temperature
Analyser processes the sensor signals and calculates the passenger count
Sensor signals are independent of environmental influences and changes:
No adjustment of the sensor needed.
Maintenance free and vandal resistant
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21 © 3/4/2015 INIT GmbH
Detection Signals Using IRMA 3D Sensor
Door centre
Outside
Vehicle Inside
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22 © 3/4/2015 INIT GmbH
IRMA 3D testride in DRT Durham
Iris performed the accuracy test ride two weeks ago
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23APC Presentation
Higher Accuracy Requirements
An APC system with the following additional features shall be proposed:
The APC shall have the ability to recognize and classify regular passengerobjects such as wheelchairs, stroller, bicycles, etc. with a 95% accuracy.
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Sensor features:
500 detection pixels / image data per sensor (“matrix sensor”)
The sensor “sees“ the door area, i.e., works like camera
Results
Easy adjustment to door condition, no calibration
Door contact cables no longer required
Precise counting due to higher quality of signal information
Count accuracy 98+% without on-board data manipulation
Integration of the analyzer features into sensor (possible due to small subcomponents), i.e., sensor connection directly to on-board system
Simple software integration via Advanced Programming Interface (API). The API provides all sensor functions and messages.
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IRMA Matrix Sensor Features
APC Presentation
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IRMA Matrix 3D vision based on TOFL
APC Presentation
IRMA
The speed of light converts the time of flight into distance:
Transmitter
Receiver
Objec
t
𝑑𝑖𝑠𝑡𝑎𝑛𝑐𝑒 =𝑐𝑡
2
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26Presentation subject © 3/4/2015 INIT GmbH
How does the technology work
Sensor
Passenger
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IRMA Matrix Sensor Features
APC Presentation
Surface mount version
Flush mount version
500-pixel infrared sensor matrix
Time of Flight technology (ToF)
Real time capture of passenger loads
Low installation effort -No adjustment work needed
1 sensor per standard door
Distinction between Passengers and objects, also in bulk entries
No door contact required - Sensor recieves door release signal from On-Board-Unit for activation
Ethernet interface 100 Mbit/s
Can easily be integrated in existing systems
Detection of height profiles -distiction between adults and children for accrurate revenue distribution
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28APC Presentation
Installation Overview
S-Con Connector Flush-Mounted-Version
(Vandalism-proof)
External mount-Version
(Vandalism-proof)
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29APC Presentation
Installation Overview
X Y
X=Y
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IRMA Test Ride
APC Presentation
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IRMA Test Ride
APC Presentation
YRT NOVA bus: 1 sensor per wide door
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IRMA Test Ride
APC Presentation
RTD Gillig bus: 1 sensor per wide door
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IRMA Test Ride
APC Presentation
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Outlook: Coming Soon
APC Presentation
• Height classification
• Detection of wheel chairs, strollers, bicycles, …
• Detection of vandalism (covering, damages)
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Sensor Evolution Based on IRIS/INIT
APC Presentation
1990 2000 2010
Active IR
IRMABASIC
Passive IR + Active IR
IRMAADVANCE
D
Time-of-Flight (TOF)
IRMA3D
3D Vision via TOF
IRMAMATRIX
Passive IR
IRMA
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IRMA Matrix 3D vision based on TOFL
APC Presentation
• 5th APC generation of iris: Latest Time of Flight (TOF) technology produces 3D images instead of 2D contrasts of detection area, people and objects.
• Innovative TOF technology: evaluates real distance and contour data for most accurate people countingdetects individual people according contour and movement, distinguishes between people and objects.
• High counting accuracy independent of color, temperature, changing background, ambient light, reflections, …
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IRMA Matrix 3D vision based on TOFL
APC Presentation
• 5th APC generation of iris: Latest Time of Flight (TOF) technology produces 3D images instead of 2D contrasts of detection area, people and objects.
• Innovative TOF technology: evaluates real distance and contour data for most accurate people countingdetects individual people according contour and movement, distinguishes between people and objects.
• High counting accuracy independent of color, temperature, changing background, ambient light, reflections, …
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Complete Reporting with MOBILEstatistics
APC Presentation
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Reliability
APC Presentation
• Before the Burn-In must be a pre-test to check if all functions are existent. • The applicable test is to be performed over a length of time of 46h.• The quantitative end-test takes place after Burn-In.
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