CA2305060A1 - Vehicle safety data collection, storage and retrieval system - Google Patents
Vehicle safety data collection, storage and retrieval system Download PDFInfo
- Publication number
- CA2305060A1 CA2305060A1 CA 2305060 CA2305060A CA2305060A1 CA 2305060 A1 CA2305060 A1 CA 2305060A1 CA 2305060 CA2305060 CA 2305060 CA 2305060 A CA2305060 A CA 2305060A CA 2305060 A1 CA2305060 A1 CA 2305060A1
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- CA
- Canada
- Prior art keywords
- identification information
- record
- vehicle
- collecting
- camera
- 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.)
- Abandoned
Links
- 238000013480 data collection Methods 0.000 title description 4
- 231100000279 safety data Toxicity 0.000 title description 2
- 238000013500 data storage Methods 0.000 title 1
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000002596 correlated effect Effects 0.000 abstract description 2
- 238000011156 evaluation Methods 0.000 description 11
- 238000001914 filtration Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 241000271569 Rhea Species 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000007 visual effect Effects 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
- G08G1/015—Detecting movement of traffic to be counted or controlled with provision for distinguishing between two or more types of vehicles, e.g. between motor-cars and cycles
-
- 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
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
-
- 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
- G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Abstract
The present invention is for a method of collecting, storing and retrieving vehicle safety information. This comprises collecting onto a first storage area identification information for a roadway vehicle obtained by means of a camera, then collecting onto a second storage area safety information about said roadway vehicle obtained by means of an infra red video camera. The identification information and safety information is then correlated on a record and then stored in a third storage area, the latter being accessible for searching by an operator for the identification information and retrieval of the record. The invention also provides an apparatus for carrying out the foregoing method.
Description
VEHICLE SAFETY DATA COLLECTION, STORAGE
AND RETRIEVAL SYSTEM
The present invention relates to a method of collecting, storing and retrieving vehicle safety information.
It is known that vehicle safety can be assessed by use of an infra red camera, in that such camera can provide video evidence of the condition of various components of roadway vehicles such as brakes and tires. It has not been possible, however, to capture such evidence in such a manner that would permit convenient retrieval for use by, for example, bus, trucking and insurance companies.
Such companies could beneficially ase such information for purposes of maintenance inspection of brake and tire conditions, without costly, time consuming manual inspections, or for assessing the insurable risk posed by a tested truck or fleet of trucks.
Summary of the Invention The present invention is for a method of collecting, storing and retrieving vehicle safety information. This comprises collecting onto a first storage area identification information for a roadway vehicle obtained by means of a camera, then collecting onto a second storage area safety information about said roadway vehicle obtained by means of an infra red video camera. The identification information and safety information is then correlated on a record and then stored in a third storage area, the latter being accessible for searching by an operator for the identification information and retrieval ofthe record. The invention also provides an apparatus for carrying out the foregoing method.
Brief Description of the Drawings In preferred embodiments of the invention:
Figure 1 is an overhead view showing preferred positioning of a data collection van relative to a roadway vehicle;
Figure 2 is a functional diagram of components in a preferred apparatus of the invention; and Figure 3 is a series of overhead views illustrating options for image selections.
Detailed Description of Preferred Embodiments Figure 1 shows the proposed positioning of the data collection van relative to the roadway. The angle is chosen specifically to allow an unobstructed view of the left rear trailer tires (dashed line). Some tire configurations may not allow all of the rear tires to be seen.
The operators part the survey vehicle parallel to the path on which the target vehicles wilt travel.
Vehicles will be moving at between 30 and 50 km/h.
The survey vehicle will park 130' to the riglu (in the direction of travzl) of the vehicle path.
Tlie Flir ball will be aimed 44° measured counterclockwise from the perpendicular pine AD in figure 1).
Option 1: inboard plate reader device:
The plate reader camet~a is aimad at the furtliest counter clockwise edge of the IR camera FOV.
The FOV of the license plate camera is set to 6' at a distance of 215'. The resolution of the camera must be no. more than 1/10" per pixel, which means that a standard G40 liorizontal pixel camera can cover about 6.4'. A HD camera has about 1000 pixels horizontal resoh~tion.
Au infrared illuminator is used. .
Option 2: outboard plate reader device:
The plate reader camera and IR illuminator arc set up on a tripod at or near the roadside near poinr C on figure t.
The license plate camera is aimed so that the license plate image is obtained at a point B. The license ptate reader indicates the successful identification and capture of a license plate.
The license plate infomaation is forwarded to the control computer, which gives the operator visual and/or auditory confirmation of success.
License plate information is available within one second of the vehicle passing point B.
AND RETRIEVAL SYSTEM
The present invention relates to a method of collecting, storing and retrieving vehicle safety information.
It is known that vehicle safety can be assessed by use of an infra red camera, in that such camera can provide video evidence of the condition of various components of roadway vehicles such as brakes and tires. It has not been possible, however, to capture such evidence in such a manner that would permit convenient retrieval for use by, for example, bus, trucking and insurance companies.
Such companies could beneficially ase such information for purposes of maintenance inspection of brake and tire conditions, without costly, time consuming manual inspections, or for assessing the insurable risk posed by a tested truck or fleet of trucks.
Summary of the Invention The present invention is for a method of collecting, storing and retrieving vehicle safety information. This comprises collecting onto a first storage area identification information for a roadway vehicle obtained by means of a camera, then collecting onto a second storage area safety information about said roadway vehicle obtained by means of an infra red video camera. The identification information and safety information is then correlated on a record and then stored in a third storage area, the latter being accessible for searching by an operator for the identification information and retrieval ofthe record. The invention also provides an apparatus for carrying out the foregoing method.
Brief Description of the Drawings In preferred embodiments of the invention:
Figure 1 is an overhead view showing preferred positioning of a data collection van relative to a roadway vehicle;
Figure 2 is a functional diagram of components in a preferred apparatus of the invention; and Figure 3 is a series of overhead views illustrating options for image selections.
Detailed Description of Preferred Embodiments Figure 1 shows the proposed positioning of the data collection van relative to the roadway. The angle is chosen specifically to allow an unobstructed view of the left rear trailer tires (dashed line). Some tire configurations may not allow all of the rear tires to be seen.
The operators part the survey vehicle parallel to the path on which the target vehicles wilt travel.
Vehicles will be moving at between 30 and 50 km/h.
The survey vehicle will park 130' to the riglu (in the direction of travzl) of the vehicle path.
Tlie Flir ball will be aimed 44° measured counterclockwise from the perpendicular pine AD in figure 1).
Option 1: inboard plate reader device:
The plate reader camet~a is aimad at the furtliest counter clockwise edge of the IR camera FOV.
The FOV of the license plate camera is set to 6' at a distance of 215'. The resolution of the camera must be no. more than 1/10" per pixel, which means that a standard G40 liorizontal pixel camera can cover about 6.4'. A HD camera has about 1000 pixels horizontal resoh~tion.
Au infrared illuminator is used. .
Option 2: outboard plate reader device:
The plate reader camera and IR illuminator arc set up on a tripod at or near the roadside near poinr C on figure t.
The license plate camera is aimed so that the license plate image is obtained at a point B. The license ptate reader indicates the successful identification and capture of a license plate.
The license plate infomaation is forwarded to the control computer, which gives the operator visual and/or auditory confirmation of success.
License plate information is available within one second of the vehicle passing point B.
The operator performs the evaluation of a vehicle during an evaluation window.
'Ibis window begins when the license plate is successfully identified, and the vehicle is identified as a truck. The window ends when:
a) the operator evaluates the vehicle, b) the operator cancels the evaluation (via a cancel button), or c) the next evaluation window begins. The critical component is the filtering of trucks from cars.
Option I : Manual filtering of t<vchs from cars The operator indicates his/her intent to evaluate the vehicle by pressing a button. This marks the start of the evaluation window for that vehicle.
Option 2: Automatic filtering of trucks from cars Image recognition software processes images from one or more cameras, limiting the license plate reader success indications to those oftrucks. The start of the evaluation window for that vehicle is determined automatically.
When evaluating a vehicle, the operator issues a pass, or one of four classes of failures, which is sent to the control computer. if the operator evaluates a vehicle when not in an evaluation window, the evaluation is ignored, and the control computer discards the license plate information.
If the operator gives the vehicle a pass evaluation, the pass evaluation, the license: plate information, and additional date, time, and position information are merged into a record by the control computer. The record is buffered, then sent over a wireless Internet connection to the central office.
if the operator gives the vehicle a failing evaluation, the fail valuation, the license plate infonttatiun, and additional date, time, and position information are merged into a record by the control computer. The record is buffered, then sent over a wireless Internet connection to the central office. tn addition, the control computer retrieves compressed digital video segments firom the two cameras connected to the digital video recorder (see figure 2). Jnformation from a speed detector (radar, ultrasonic, or laser) mounted with the license plate camera, which is sent to the control wmputer with the license image, is used to calculate the length of the video segments to be retrieved.
Image selection.
Option 1: Tape archiving The control computer archives the video segments to a tape storage unit. At the end of the day, a bar code with a unique ID is generated and attached to the tape, and the tape is sent to the central offtce for archiving. When a report is tequested, the tape is retrieved (by barcode id). Staff at the central offtce search the tape for the image segments required, rhea select particular stills from the image segmenu.
Option 2: Automatic Image Selection The video segments are post processed by the control computer to retrieve four images, three from the IR camera, and one from the colour camera. Image processing will automatically retrieve the frames, which have the characteristics shown in the following sketches.
'llyese four images, plug the license plate patch sre merged into a record, which is buffered and sent over a wireless uuernet connection to the central office. The images are store in the database, and the reports are generated entirely from the database.
tee, F:g . 3 .
A sub option for option 1, is to obttan the automatic image selection software, and processes the images from the incoming tapes to extract the 4 images. The images would be stored in the database, and the tapes discarded at that point.
'Ibis window begins when the license plate is successfully identified, and the vehicle is identified as a truck. The window ends when:
a) the operator evaluates the vehicle, b) the operator cancels the evaluation (via a cancel button), or c) the next evaluation window begins. The critical component is the filtering of trucks from cars.
Option I : Manual filtering of t<vchs from cars The operator indicates his/her intent to evaluate the vehicle by pressing a button. This marks the start of the evaluation window for that vehicle.
Option 2: Automatic filtering of trucks from cars Image recognition software processes images from one or more cameras, limiting the license plate reader success indications to those oftrucks. The start of the evaluation window for that vehicle is determined automatically.
When evaluating a vehicle, the operator issues a pass, or one of four classes of failures, which is sent to the control computer. if the operator evaluates a vehicle when not in an evaluation window, the evaluation is ignored, and the control computer discards the license plate information.
If the operator gives the vehicle a pass evaluation, the pass evaluation, the license: plate information, and additional date, time, and position information are merged into a record by the control computer. The record is buffered, then sent over a wireless Internet connection to the central office.
if the operator gives the vehicle a failing evaluation, the fail valuation, the license plate infonttatiun, and additional date, time, and position information are merged into a record by the control computer. The record is buffered, then sent over a wireless Internet connection to the central office. tn addition, the control computer retrieves compressed digital video segments firom the two cameras connected to the digital video recorder (see figure 2). Jnformation from a speed detector (radar, ultrasonic, or laser) mounted with the license plate camera, which is sent to the control wmputer with the license image, is used to calculate the length of the video segments to be retrieved.
Image selection.
Option 1: Tape archiving The control computer archives the video segments to a tape storage unit. At the end of the day, a bar code with a unique ID is generated and attached to the tape, and the tape is sent to the central offtce for archiving. When a report is tequested, the tape is retrieved (by barcode id). Staff at the central offtce search the tape for the image segments required, rhea select particular stills from the image segmenu.
Option 2: Automatic Image Selection The video segments are post processed by the control computer to retrieve four images, three from the IR camera, and one from the colour camera. Image processing will automatically retrieve the frames, which have the characteristics shown in the following sketches.
'llyese four images, plug the license plate patch sre merged into a record, which is buffered and sent over a wireless uuernet connection to the central office. The images are store in the database, and the reports are generated entirely from the database.
tee, F:g . 3 .
A sub option for option 1, is to obttan the automatic image selection software, and processes the images from the incoming tapes to extract the 4 images. The images would be stored in the database, and the tapes discarded at that point.
Claims (2)
1. A method for collecting, storing and retrieving vehicle safety information which comprises:
collecting onto a first storage area identification information for a roadway vehicle obtained by means of a camera;
collecting onto a second storage area safety information about said roadway vehicle obtained by means of an infra red video camera;
correlating said identification information and safety information in a record, and storing said record on a third storage area being accessible for searching by an operator for said identification information and retrieval of said record.
collecting onto a first storage area identification information for a roadway vehicle obtained by means of a camera;
collecting onto a second storage area safety information about said roadway vehicle obtained by means of an infra red video camera;
correlating said identification information and safety information in a record, and storing said record on a third storage area being accessible for searching by an operator for said identification information and retrieval of said record.
2. An apparatus for collecting, storing and retrieving vehicle safety information which comprises:
identification information collection means, comprising a camera, for collecting roadway vehicle identification information;
first storage means, connected to said identification information collection means, for storing said vehicle identification information when collected;
safety information collection means, comprising an infra red camera, for collecting safety information about a roadway vehicle;
second storage means, connected to said safety information collection means, for storing said safety information;
correlating means, connected to said first and second storage means, for correlating said safety information and identification information on a record;
means for storing said record on a third storage means; and third storage means, connected to said correlating means, for retrievably storing said record.
identification information collection means, comprising a camera, for collecting roadway vehicle identification information;
first storage means, connected to said identification information collection means, for storing said vehicle identification information when collected;
safety information collection means, comprising an infra red camera, for collecting safety information about a roadway vehicle;
second storage means, connected to said safety information collection means, for storing said safety information;
correlating means, connected to said first and second storage means, for correlating said safety information and identification information on a record;
means for storing said record on a third storage means; and third storage means, connected to said correlating means, for retrievably storing said record.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2305060 CA2305060A1 (en) | 2000-04-11 | 2000-04-11 | Vehicle safety data collection, storage and retrieval system |
| AU52068/01A AU5206801A (en) | 2000-04-11 | 2001-04-11 | Vehicle safety data collection, storage and retrieval system |
| PCT/CA2001/000520 WO2001078037A1 (en) | 2000-04-11 | 2001-04-11 | Vehicle safety data collection, storage and retrieval system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2305060 CA2305060A1 (en) | 2000-04-11 | 2000-04-11 | Vehicle safety data collection, storage and retrieval system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2305060A1 true CA2305060A1 (en) | 2001-10-11 |
Family
ID=4165871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2305060 Abandoned CA2305060A1 (en) | 2000-04-11 | 2000-04-11 | Vehicle safety data collection, storage and retrieval system |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU5206801A (en) |
| CA (1) | CA2305060A1 (en) |
| WO (1) | WO2001078037A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1015605A5 (en) * | 2003-07-14 | 2005-06-07 | Traficon Nv | Detection device for security system used to regulate passage of people and vehicles, assesses reliability of sensor data depending on e.g. weather or light conditions |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2154388B (en) * | 1984-02-14 | 1987-11-25 | Secr Defence | Image processing system |
| DE3830598A1 (en) * | 1988-09-08 | 1990-03-22 | Messerschmitt Boelkow Blohm | METHOD FOR MEASURING ROAD FLOW |
| DE19633240A1 (en) * | 1996-08-17 | 1998-02-19 | Bosch Gmbh Robert | Method of identifying a vehicle on a road |
-
2000
- 2000-04-11 CA CA 2305060 patent/CA2305060A1/en not_active Abandoned
-
2001
- 2001-04-11 AU AU52068/01A patent/AU5206801A/en not_active Abandoned
- 2001-04-11 WO PCT/CA2001/000520 patent/WO2001078037A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| AU5206801A (en) | 2001-10-23 |
| WO2001078037A1 (en) | 2001-10-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |