EP2047447A1 - Verfahren und vorrichtung zur fusion von verkehrsdaten bei unvollständiger information - Google Patents
Verfahren und vorrichtung zur fusion von verkehrsdaten bei unvollständiger informationInfo
- Publication number
- EP2047447A1 EP2047447A1 EP06846957A EP06846957A EP2047447A1 EP 2047447 A1 EP2047447 A1 EP 2047447A1 EP 06846957 A EP06846957 A EP 06846957A EP 06846957 A EP06846957 A EP 06846957A EP 2047447 A1 EP2047447 A1 EP 2047447A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- traffic
- situation data
- traffic situation
- reported
- proportion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000004927 fusion Effects 0.000 title description 8
- 238000012790 confirmation Methods 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000011156 evaluation Methods 0.000 claims 2
- 239000000047 product Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
Definitions
- the invention relates to a method and apparatus for merging traffic data with incomplete information, taking into account information from different sources mapped to functions to obtain a result based on calculations with these functions.
- the object of the present invention is to overcome the aforementioned disadvantages of the prior art.
- it is a method for local determination of traffic situation data, taking into account a plurality of traffic reports with fuzzy location information, which are to be merged as best as possible. It includes the following steps.
- Fig. 1 shows a schematic representation of an inaccurate traffic information source which reports a disturbance of length L between the terminals AS1 and AS4;
- Fig. 2 is a schematic representation of the data fusion, with the result of the data fusion displayed at the top, in the middle of which the message from the inaccurate source and the local numerical traffic situation data are displayed;
- the present invention report deals with an optimal solution of the data fusion problem with incomplete information.
- n (x) For each possible position x within the allowed value range, a function n (x) is determined which indicates the proportion of the reported disturbance that can not be refuted by existing traffic situation data
- the weighting factors gx can be determined on the basis of a priori knowledge about the quality of a source. For example, disturbances reported by the police are locally blurred i.d.R. credible and try to confirm them; however, police reports are usually not timely deregistered. Further criteria for the gx are the (origin) position of disturbances (disturbances arise at bottlenecks, therefore they are preferably positioned as far downstream as possible) and quality requirements for the end product (eg correctness could be more important than completeness, then the confirmation gb would have to be heavily weighted ). By statistically evaluating the distribution among the categories "acknowledgment,” "ignorance,” and "refutation,” the assumptions made to set the weights may be reviewed and it may not be possible. an adaptation takes place.
- the kvm indicate the locations of the connection points.
- L the length of the possible error.
- fusion with the local numerical traffic data is performed as follows. Wherever the sharply localized message competes with non-knowledge from the traffic assessment, the relevant share of the message is adopted as the end product. In all other places, the numerical traffic situation data is preferred.
- Fig. 2 and Fig. 3 shows a traffic incident that occurred on 10.01.2005 due to an accident on the A555 from Cologne to Bonn shortly after the junction Bornheim / Alfter ( ⁇ km 16). From direct observation it was known that the traffic disruption was in the range of km 13 - 17. There is no stationary measurement infrastructure in this area.
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Circuits Of Receivers In General (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
- Alarm Systems (AREA)
- Telephonic Communication Services (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006033744A DE102006033744A1 (de) | 2006-07-21 | 2006-07-21 | Verfahren und Vorrichtung zur Fusion von Verkehrsdaten bei unvollständiger Information |
PCT/DE2006/002327 WO2008011850A1 (de) | 2006-07-21 | 2006-12-28 | Verfahren und vorrichtung zur fusion von verkehrsdaten bei unvollständiger information |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2047447A1 true EP2047447A1 (de) | 2009-04-15 |
EP2047447B1 EP2047447B1 (de) | 2011-04-27 |
Family
ID=37943945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06846957A Active EP2047447B1 (de) | 2006-07-21 | 2006-12-28 | Verfahren und vorrichtung zur fusion von verkehrsdaten bei unvollständiger information |
Country Status (7)
Country | Link |
---|---|
US (1) | US9076329B2 (de) |
EP (1) | EP2047447B1 (de) |
JP (1) | JP5106529B2 (de) |
AT (1) | ATE507546T1 (de) |
DE (2) | DE102006033744A1 (de) |
ES (1) | ES2365418T3 (de) |
WO (1) | WO2008011850A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6587781B2 (en) | 2000-08-28 | 2003-07-01 | Estimotion, Inc. | Method and system for modeling and processing vehicular traffic data and information and applying thereof |
US7620402B2 (en) | 2004-07-09 | 2009-11-17 | Itis Uk Limited | System and method for geographically locating a mobile device |
GB0901588D0 (en) | 2009-02-02 | 2009-03-11 | Itis Holdings Plc | Apparatus and methods for providing journey information |
GB2492369B (en) | 2011-06-29 | 2014-04-02 | Itis Holdings Plc | Method and system for collecting traffic data |
AU2013266013B2 (en) * | 2012-05-21 | 2017-05-25 | Thales Australia Limited | A firearm |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19905284A1 (de) * | 1998-02-19 | 1999-09-09 | Ddg Ges Fuer Verkehrsdaten Mbh | Verkehrslageerfassung mit Fuzzy-Klassifikation und mehrdimensionaler morphologischer Datenfilterung und dynamischer Domänenbildung |
US6311127B1 (en) * | 1999-09-02 | 2001-10-30 | Rockwell Collins | Satellite navigation system having redundant signal processing and matched filtering |
DE10002918C2 (de) | 2000-01-19 | 2003-06-18 | Ddg Ges Fuer Verkehrsdaten Mbh | Stabile Zuordnung von Verkehrsmeldungen und deren Ursache repräsentierenden Zusatzinformationen |
JP4951188B2 (ja) * | 2000-06-26 | 2012-06-13 | ストラテック システムズ リミテッド | トラフィック又は関連情報提供方法およびシステム |
US6317686B1 (en) * | 2000-07-21 | 2001-11-13 | Bin Ran | Method of providing travel time |
US7133568B2 (en) * | 2000-08-04 | 2006-11-07 | Nikitin Alexei V | Method and apparatus for analysis of variables |
US6587781B2 (en) * | 2000-08-28 | 2003-07-01 | Estimotion, Inc. | Method and system for modeling and processing vehicular traffic data and information and applying thereof |
US6420999B1 (en) * | 2000-10-26 | 2002-07-16 | Qualcomm, Inc. | Method and apparatus for determining an error estimate in a hybrid position determination system |
US6615135B2 (en) * | 2001-05-24 | 2003-09-02 | Prc Inc. | Satellite based on-board vehicle navigation system including predictive filtering and map-matching to reduce errors in a vehicular position |
US6629034B1 (en) * | 2001-06-06 | 2003-09-30 | Navigation Technologies Corp. | Driving profile method and system |
US6989765B2 (en) * | 2002-03-05 | 2006-01-24 | Triangle Software Llc | Personalized traveler information dissemination system |
US7590589B2 (en) * | 2004-09-10 | 2009-09-15 | Hoffberg Steven M | Game theoretic prioritization scheme for mobile ad hoc networks permitting hierarchal deference |
DE102004046357A1 (de) * | 2004-09-24 | 2006-04-27 | Daimlerchrysler Ag | Verfahren zur Bereitstellung von Verkehrsgrößen |
US7849031B2 (en) * | 2004-12-22 | 2010-12-07 | Hntb Holdings Ltd. | Optimizing traffic predictions and enhancing notifications |
US7894980B2 (en) * | 2005-02-07 | 2011-02-22 | International Business Machines Corporation | Method and apparatus for estimating real-time travel times over a transportation network based on limited real-time data |
US7363144B2 (en) * | 2005-02-07 | 2008-04-22 | International Business Machines Corporation | Method and apparatus for predicting future travel times over a transportation network |
DE102005009604B4 (de) * | 2005-02-28 | 2008-07-17 | Ptv Ag | Verfahren und Vorrichtung zum Erzeugen eines Bewertungswertes für Verkehrsdaten |
US8874354B2 (en) * | 2007-10-16 | 2014-10-28 | International Business Machines Corporation | Method and system for expansion of real-time data on traffic networks |
-
2006
- 2006-07-21 DE DE102006033744A patent/DE102006033744A1/de not_active Withdrawn
- 2006-12-28 EP EP06846957A patent/EP2047447B1/de active Active
- 2006-12-28 AT AT06846957T patent/ATE507546T1/de active
- 2006-12-28 JP JP2009519783A patent/JP5106529B2/ja active Active
- 2006-12-28 DE DE502006009415T patent/DE502006009415D1/de active Active
- 2006-12-28 US US12/374,643 patent/US9076329B2/en active Active
- 2006-12-28 WO PCT/DE2006/002327 patent/WO2008011850A1/de active Application Filing
- 2006-12-28 ES ES06846957T patent/ES2365418T3/es active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2008011850A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2365418T3 (es) | 2011-10-04 |
JP2009545021A (ja) | 2009-12-17 |
DE102006033744A1 (de) | 2008-01-24 |
JP5106529B2 (ja) | 2012-12-26 |
US9076329B2 (en) | 2015-07-07 |
WO2008011850A1 (de) | 2008-01-31 |
ATE507546T1 (de) | 2011-05-15 |
DE502006009415D1 (de) | 2011-06-09 |
EP2047447B1 (de) | 2011-04-27 |
US20090287403A1 (en) | 2009-11-19 |
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