CN103824476A - Device, method and program for vehicle interval management - Google Patents
Device, method and program for vehicle interval management Download PDFInfo
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- CN103824476A CN103824476A CN201410056587.8A CN201410056587A CN103824476A CN 103824476 A CN103824476 A CN 103824476A CN 201410056587 A CN201410056587 A CN 201410056587A CN 103824476 A CN103824476 A CN 103824476A
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Abstract
The invention relates to a vehicle interval managing device, a vehicle interval managing method and a vehicle interval managing program which can realize the driving evaluation aiming at vehicle distances. The vehicle interval managing device (10) comprises an image acquiring part for acquiring the images of the vehicles including the driving vehicles and the vehicles in front of the driving vehicles within a shooting range; a position information obtaining part for obtaining the position information of the driving vehicles; a determining part for appropriately determining the distances between the driving vehicles and the vehicles in front of the driving vehicles based on the interval determination information utilized in the appropriate determination of the vehicle intervals and stored in a storage part and the images obtained by the image acquiring part; and an output part for outputting the map data of the positions of the vehicles which are determined not to be appropriate based on the position information on the condition that the distances between the vehicles are determined not to be appropriate.
Description
The application is the divisional application that application people is " 201110049159.9 " this application for Fujitsu Ltd., denomination of invention for " convoy spacing management devices and convoy spacing management method ", the applying date.
Technical field
The present invention relates to a kind of convoy spacing management devices, convoy spacing management method and program.
Background technology
In recent years, along with rule of punishing strengthening, fuel cost that road traffic law is revised are surging, the quantity of paying close attention to safe driving, the economic driver who drives increases day by day.For paying close attention to safe driving, the economic driver who drives, and between front vehicles, to keep suitable vehicle headway be one of effective driving technology.
For this reason, for helping the objects such as safe driving, the prior art of various measurement vehicle headways has been proposed.If give an example, following technology is proposed: from laser radar head mounted on a vehicle to range finding object irradiating laser, receive and measure vehicle headway from the time till the reflection laser of the object of finding range by measurements.
In addition, for example,, for the object for driving evaluation, also proposed to come according to vehicle headway the prior art of the method for change record driving condition.For example, there is following technology: measure vehicle headway by method arbitrarily, in the case of judging that according to the vehicle headway measuring driver has made dangerous movement, change the logging mode of drive recorder (Drive record).
Patent documentation 1: Japanese kokai publication hei 11-203599 communique
Patent documentation 2: TOHKEMY 2002-42288 communique
Summary of the invention
But, as described above, for safe driving, economic driving, guarantee that vehicle headway is important, therefore require to realize the vehicle headway of registration of vehicle in travelling and evaluate the whether suitable technology of vehicle headway.
But, even if present situation is to have used above-mentioned prior art to be also difficult to realize the whether suitable technology of vehicle headway of evaluating.For example, measuring in the technology of vehicle headway with laser radar head, exist corner to can't detect front vehicles or the narrow road place mistake of road width surveys subtend car test for problems such as front vehicles.For this reason, not necessarily under any situation, can record vehicle headway, therefore be difficult to realize the technology of carrying out for the driving evaluation of vehicle headway.
The disclosed technology of the application In view of the foregoing completes, and its object is to provide a kind of can realize convoy spacing management devices, convoy spacing management method and the program evaluated for the driving of vehicle headway.
The disclosed convoy spacing management devices of the application in a mode, image obtaining section, it obtains the image of the vehicle front that comprises the vehicle of driving in coverage travelling; Positional information obtaining section, it obtains the positional information of the vehicle in described driving; Judging part, the described image that the interval utilizing in the appropriateness judgement of its convoy spacing based on storing at storage part judge information and obtained by described image obtaining section, the appropriateness of the vehicle headway between the vehicle that carries out the front of the vehicle in vehicle and the described driving in described driving travelling judges; And efferent, for being judged as in the inappropriate situation of vehicle headway, carry out output packet and be contained in this and be judged as the map datum of the position that Vehicle Driving Cycle is crossed when improper in the judged result of described judging part based on described positional information.
The disclosed convoy spacing management method of the application is in a mode, and computing machine is carried out following action: the image of obtaining the vehicle front that comprises the vehicle of driving in coverage travelling; Obtain the positional information of the vehicle in described driving; The described image that the interval utilizing in the appropriateness judgement of the convoy spacing based on storing at storage part judges information and obtained by described obtaining section, the appropriateness judgement of the vehicle headway between the vehicle of the front of carrying out the vehicle in vehicle and the described driving in described driving in travelling, for being judged as in the inappropriate situation of vehicle headway, export the map datum that can be identified in this and be judged as the position that Vehicle Driving Cycle is crossed when improper in the judged result of described judging part based on described positional information.
The disclosed convoy spacing supervisory routine of the application, in a mode, makes computing machine carry out following action: obtain the vehicle image travelling in the front that comprises the vehicle of driving in coverage; Obtain the positional information of the vehicle in described driving; The described image that the interval utilizing in the appropriateness judgement of the convoy spacing based on storing at storage part judge information and obtained by described obtaining section, the appropriateness of the vehicle headway between the vehicle that carries out the front of the vehicle in vehicle and the described driving in described driving travelling judges; And in the judged result of described judging part for being judged as in the inappropriate situation of vehicle headway, export the map datum that can be identified in this and be judged as the position that Vehicle Driving Cycle is crossed when improper based on described positional information.
According to the disclosed technology of the application mode, can realize the driving evaluation for vehicle headway.
Accompanying drawing explanation
Fig. 1 is the figure that represents the convoy spacing management devices relevant with embodiment 1.
Fig. 2 is the figure that represents the structure of the vehicle relevant with embodiment 2.
Fig. 3 is the figure that represents the structure example that is stored in the information in the vehicle headway result of determination storage part relevant with embodiment 2.
Fig. 4 is the figure that represents the structure example that is stored in the information in the template storage part relevant with embodiment 2.
Fig. 5 is the figure that represents the structure of the driving evaluation apparatus relevant with embodiment 2.
Fig. 6 is the figure that represents the treatment scheme of the convoy spacing management department relevant with embodiment 2.
Fig. 7 is the figure that represents the structure example that is stored in the information in the template storage part relevant with embodiment 3.
Fig. 8 is the figure that represents the treatment scheme of the convoy spacing management department relevant with embodiment 3.
Fig. 9 is the figure that represents the structure of the vehicle relevant with embodiment 4.
Figure 10 is the figure that represents the treatment scheme of the convoy spacing management department relevant with embodiment 4.
Figure 11 is the figure that represents an example of the computing machine of carrying out convoy spacing supervisory routine.
Embodiment
Explain an embodiment of the disclosed convoy spacing management devices of the application, convoy spacing management method and convoy spacing supervisory routine below, with reference to accompanying drawing.In addition, below as an embodiment of the disclosed convoy spacing management devices of the application, convoy spacing management method and convoy spacing supervisory routine and embodiment described later does not limit the disclosed technology of the application.
[embodiment 1]
Fig. 1 is the figure that represents the convoy spacing management devices relevant with embodiment 1.As shown in Figure 1, convoy spacing management devices 10 has storage part 11, selection portion 12, obtaining section 13 and judging part 14.
For example, in the case of obtaining the regulation vehicle headway that needs to guarantee between front vehicles according to the speed of vehicle, convoy spacing management devices 10 for each speed storage expression of vehicle by the camera of vehicle to the template of license plate of front vehicles.For example, and in the time obtaining the image of license plate of front vehicles, the size of size by the license plate in this image relatively of convoy spacing management devices 10 and the template corresponding with the speed of vehicle, judges that whether vehicle headway is suitable.
Thus, the convoy spacing management devices 10 relevant with embodiment 1 can be realized the driving evaluation for vehicle headway.
[embodiment 2]
[structure (embodiment 2) of vehicle]
Fig. 2 is the figure that represents the structure of the vehicle relevant with embodiment 2.In addition, the following describes embodiment when the each processing function part corresponding with the disclosed convoy spacing management devices of the application is applied to vehicle.
As shown in Figure 2, in vehicle 100, be equipped with: image obtaining section 101, vehicle speed sensor 102, input part 103, display part 104, audio output unit 105, positional information obtaining section 106 and time information obtaining section 107.And, in vehicle 100, be equipped with: storage part 108, exterior storage write section 109 and convoy spacing management department 110.
Positional information obtaining section 106 is for example equivalent to GPS receiver, by with the position of communicating by letter to calculate vehicle of GPS artificial satellite.Positional information obtaining section 106 for example calculates the position of vehicle under the timing of image of having been inputted front vehicles by image processing apparatus 110a described later, and the information relevant with the position of the vehicle calculating is exported to time information obtaining section 107.In addition, positional information obtaining section 106, by the positional information of vehicle is provided to not shown navigational system, can also make the projected route of travelling of navigational system management vehicle.
Time information obtaining section 107 provides service to wait from time information and obtains the time information that is calculated the position of vehicle by positional information obtaining section 106.Time information obtaining section 107 gets up to export to convoy spacing management department 110 by the time information of obtaining with the information association relevant with the position of the vehicle of obtaining from positional information obtaining section 106.
Fig. 3 is the figure that represents the structure example that is stored in the information in the vehicle headway result of determination storage part relevant with embodiment 2." front vehicles data " shown in Fig. 3 refer to the data such as car type and car body color that obtain according to the image of the front vehicles being obtained by image obtaining section 101." positional information " shown in Fig. 3 refers to the information relevant with the position of the vehicle being calculated by positional information obtaining section 106." time information " shown in Fig. 3 refers to the time information of being obtained by time information obtaining section 107." mark of jumping a queue " shown in Fig. 3 refers to the mark being generated by convoy spacing management department 110 in the situation of the vehicle of having jumped a queue forwardly.
As shown in Figure 3, vehicle headway result of determination storage part 108a, by " front vehicles data ", " positional information ", " time information ", " mark of the jumping a queue " storage that is mapped, is used as the information relevant with the vehicle headway result of determination of convoy spacing management department 110.
Fig. 4 is the figure that represents the structure example that is stored in the information in the template storage part relevant with embodiment 2." front vehicles license plate species " shown in Fig. 4 refer to the species of the license plate of the front vehicles mirroring in the image of being obtained by image obtaining section 101.For example, be by the size species of standardized license plate in advance, to start from any one numeral in 1,2,3,4,5,6,7,8,9,0 by vehicle size, discharge capacity or staffing etc.Usually, start from 3 license plate and be called " 3 licence plate ".
" from vehicle speed " shown in Fig. 4 refers to the travel speed of the vehicle of driving of being obtained by vehicle speed sensor 102." suitably vehicle headway corresponding templates " shown in Fig. 4 refer to be illustrated in guarantee between front vehicles with the state of the corresponding suitably vehicle headway of travel speed of vehicle under the big or small template of license plate of the front vehicles that mirrors in the image of being obtained by image obtaining section 101.
As shown in Figure 4, template storage part 108b is mapped " front vehicles license plate species ", " from vehicle speed " and " suitably vehicle headway corresponding templates " to store.For example, template storage part 108b will be as " 3 licence plate " of " front vehicles license plate species ", be mapped and store as " A(km/h) " of travel speed and as suitably " B " of vehicle headway corresponding templates.
Here suitable vehicle headway and suitable vehicle headway corresponding templates are described.Suitably vehicle headway means the distance that not affected by the braking of front vehicles and to drive, vehicle carries out avoiding dangerous distance in the situation of brake hard forwardly, and the distance of for example vehicle being advanced for two seconds according to current driving speed is as mark post.For example, be to be about 28 meters 50 kilometers of speed per hours in the speed of vehicle, be about 60 kilometers of speed per hours and be about 33 meters in the speed of vehicle, be to be about 44 meters 80 kilometers of speed per hours in the speed of vehicle.
Therefore, front vehicles to be had to the license plate of 3 licence plates of wide 165 millimeters, long 330 millimeters and the travel speed of vehicle be that the situation of 60 kilometers of speed per hours lifts is example.In the case of having been obtained by image obtaining section 101 the image of vehicle apart from the front vehicles of the license plate with 3 licence plates of 33 meters of front vehicles, the size of 3 license plate that mirror is made as to suitable vehicle headway corresponding templates in image.Thus, for each species of license plate, obtain respectively the corresponding suitably vehicle headway corresponding templates of the travel speed of supposing with vehicle.
Exterior storage write section 109 writes the data relevant with vehicle headway result of determination to storage medium, is writing after end to outside discharge storage medium.Storage medium is that the user who for example carries out driver's driving evaluation inserts.
Convoy spacing management department 110 has image processing apparatus 110a and vehicle headway detection unit 110b.
In addition, image processing part 110a uses prior art to go out license plate from the image cropping of the front vehicles inputted by image obtaining section 101.As prior art, for example, be suitable for pattern match processing, edge extraction processing etc.And image processing part 110a is recorded in the data of the license plate of front vehicles in storage inside portion.
Vehicle headway detection unit 110b judges between front vehicles whether guaranteed suitable vehicle headway.For example, vehicle headway detection unit 110b inputs the travel speed of vehicle from vehicle speed sensor 102.Then, vehicle headway detection unit 110b is taken into the image of the license plate of front vehicles from image processing part 110a, reads in the suitable vehicle headway corresponding templates corresponding with the species of license plate and the travel speed of vehicle from template storage part 108b.And vehicle headway detection unit 110b judges from the size of the image of the license plate of the front vehicles of image processing part 110a whether be less than the suitable vehicle headway corresponding templates of reading in from template storage part 108b.
The size of the image of the license plate that vehicle headway detection unit 110b is front vehicles in result of determination is less than suitable vehicle headway corresponding templates, waits for the image of being inputted next front vehicles by image processing part 110a.
On the other hand, the size of the image of the license plate that vehicle headway detection unit 110b is front vehicles in result of determination is not less than suitable vehicle headway corresponding templates, reads in from the image of the license plate that last time input picture cuts out from image processing part 110a.And vehicle headway detection unit 110b judges that whether the license plate of current input image is identical with the license plate of input picture last time.
Vehicle headway detection unit 110b is license plate identical in the situation that in result of determination, obtains the front vehicles data such as car body species, car body color from image processing part 110a.And positional information and time information that vehicle headway detection unit 110b exports by front vehicles data and from time information obtaining section 107 associate, and be recorded in vehicle headway result of determination storage part 108a as vehicle headway result of determination.
On the other hand, vehicle headway detection unit 110b is license plate not identical in the situation that in result of determination, generates and is illustrated in " mark of jumping a queue " that front has vehicle to jump a queue.Then, vehicle headway detection unit 110b obtains the front vehicles data such as car body species, car body color from image processing part 110a.And, vehicle headway detection unit 110b associates the mark of jumping a queue, front vehicles data and positional information and the time information exported from time information obtaining section 107, and is recorded in vehicle headway result of determination storage part 108a as vehicle headway result of determination.
After having carried out the record of vehicle headway result of determination, vehicle headway detection unit 110b does not take the warning of suitable vehicle headway to the effect that to driver's notice.For example, vehicle headway detection unit 110b does not take the careless warning message of suitable vehicle headway to show that output is on display part 104 by representing, and the careless auditory tone cues of not taking suitable vehicle headway is exported to audio output unit 105.And vehicle headway detection unit 110b waits for the image of being inputted next front vehicles by image processing part 110a.
Above-mentioned convoy spacing management department 110 is computing machines that microcomputer, microcontroller etc. have used integrated circuit.As integrated circuit, for example, have ASIC(Application Specific Integrated Circuit: special IC), FPGA(Field Programmable Gate Array: field programmable gate array) etc.
Fig. 5 is the figure that represents the structure of the driving evaluation apparatus relevant with embodiment 2.The driving evaluation personnel of operation driving evaluation apparatus 200 are for example connected to storage medium the exterior storage write section 109 of vehicle 100, the data that are stored in the vehicle headway result of determination in vehicle headway result of determination storage part 108a are kept in storage medium, the data that are kept at the vehicle headway result of determination in storage medium are kept to the inside of driving evaluation apparatus 200.And the user of driving evaluation apparatus 200 obtains the driving evaluation information being generated by driving evaluation apparatus 200 as basis take the data of vehicle headway result of determination.
As shown in Figure 5, driving evaluation apparatus 200 has display part 210, storage part 220 and drives evaluation information efferent 230.In addition, driving evaluation apparatus 220 is for example being connected with the state of printing equipment 300 swap datas such as printer.Printing equipment 300 by the driving evaluation information printout of exporting from driving evaluation apparatus 200 on paper medium.
In the time for example receiving the output indication operation of driving evaluation information from driving evaluation personnel, drive evaluation information efferent 230 and read in the data of vehicle headway result of determination from vehicle headway result of determination storage part 220a, and read in map datum from map datum storage part 220b.Then, drive evaluation information efferent 230 according to the positional information being included in the data of vehicle headway result of determination, by other data that are included in the data of vehicle headway result of determination are deployed on map datum, generate driving evaluation information.And, drive evaluation information efferent 230 the driving evaluation information generating is shown to output is on display part 210, and send to printing equipment 300.
In addition, more than narrated driving evaluation apparatus 200 and carried out the situation of the data of wagon transferred from one yard to another spacing result of determination via storage medium, but be not limited to this.For example also can, by making driving evaluation apparatus 200 be connected with the state that the convoy spacing management department 110 being mounted in vehicle 100 communicates, the data that are stored in the vehicle headway result of determination in vehicle headway result of determination storage part 108a be taken into driving evaluation apparatus 200.
[processing (embodiment 2) of convoy spacing management department]
Fig. 6 is the figure that represents the treatment scheme of the convoy spacing management department relevant with embodiment 2.As shown in Figure 6, (step S601 when input the image of front vehicles from image obtaining section 101, be), image processing part 110a uses prior art to carry out image processing, obtains the car type of the front vehicles mirroring in image and the data (step S602) of car body color.And the data of the car type of front vehicles, car body color are recorded in (step S603) in storage inside portion by image processing part 110a.
Here get back to the explanation of step S601.Image processing part 110a till input the image of front vehicles from image obtaining section 101, is made as "No" by the result of determination of step S601.
Then, image processing part 110a uses prior art to go out the image (step S604) of license plate from the image cropping of the front vehicles inputted by image obtaining section 101.And image processing part 110a is by the recording image of the license plate of front vehicles (step S605) in storage inside portion.
Then, vehicle headway detection unit 110b inputs the travel speed (step S606) of vehicle from vehicle speed sensor 102.Then, vehicle headway detection unit 110b reads in the suitable vehicle headway corresponding templates (step S607) corresponding with the species of license plate of front vehicles and the travel speed of vehicle from template storage part 108b.And vehicle headway detection unit 110b judges from the size of the image of the license plate of the front vehicles of image processing part 110a whether be less than the suitable vehicle headway corresponding templates (step S608) of reading in from template storage part 108b.
The size of the image of the license plate that vehicle headway detection unit 110b is front vehicles in result of determination is less than (step S608 is) suitable vehicle headway corresponding templates, gets back to above-mentioned steps S601.
On the other hand, the size of the image of the license plate that vehicle headway detection unit 110b is front vehicles in result of determination is not less than (step S608, no) suitable vehicle headway corresponding templates, carries out next judgement.Be license plate and the license plate whether identical (step S609) of input picture last time that vehicle headway detection unit 110b judges current input image.
Vehicle headway detection unit 110b is license plate (step S609 identical in the situation that in result of determination, be), front vehicles data, positional information and time information are associated, and be recorded in vehicle headway result of determination storage part 108a (step S610) as vehicle headway result of determination.
On the other hand, vehicle headway detection unit 110b is license plate not identical in the situation that (step S609, no) in result of determination, generates and is illustrated in " mark of jumping a queue " (the step S611) that front has vehicle to jump a queue.And vehicle headway detection unit 110b forwards above-mentioned steps S610 to, the mark of jumping a queue, front vehicles data, positional information and time information associate, and are recorded in vehicle headway result of determination storage part 108a as vehicle headway result of determination.
After having recorded vehicle headway result of determination, vehicle headway detection unit 110b does not take the warning (step S612) of suitable vehicle headway to the effect that to driver's notice.And vehicle headway detection unit 110b gets back to above-mentioned steps S601.
[effect of embodiment 2]
As mentioned above, in embodiment 2, in the case of the regulation vehicle headway of taking to need to guarantee between front vehicles according to the speed of vehicle, for each travel speed storage template corresponding with the template size of the license plate of the front vehicles photographing from vehicle.In addition, in embodiment 2, in the time obtaining the image of license plate of front vehicles, by comparing the image of license plate and the size of suitable vehicle headway corresponding templates of front vehicles, judge that whether vehicle headway is suitable.And, in embodiment 2, in the unsuitable situation of vehicle headway, position, the moment etc. of record vehicle now.Thus, can preserve according to embodiment 2 information of evaluating for the driving of vehicle headway for carrying out.
In addition, in embodiment 2, provide the position of vehicle and moment are deployed in to the data on map to driving evaluation personnel.Thus, drive evaluation personnel and can carry out the driving evaluation for vehicle headway according to these data.
In addition, in the above embodiments 2, also can, from the image of the license plate of the front vehicles that obtained by image obtaining section 101, calculate the vehicle headway between front vehicles, the vehicle headway calculating is recorded as to vehicle headway result of determination.
In addition, in the above embodiments 2, although judge that by the image of license plate and the size of suitable vehicle headway corresponding templates that compare front vehicles whether vehicle headway is suitable, be not limited to this.For example preserve in advance and the corresponding suitable spacing distance of travel speed itself.And, also can carry out actual calculating and the vehicle headway of front vehicles according to the image of the license plate of front vehicles, judge that by the vehicle headway that relatively calculates and suitable vehicle headway whether vehicle headway is suitable.
[embodiment 3]
In the above embodiments 2, for example also can judgement and front vehicles and vehicle between the corresponding suitably vehicle headway of relative velocity.
[structure (embodiment 3) of vehicle]
Fig. 7 is the figure that represents the structure example that is stored in the information in the template storage part relevant with embodiment 3.As shown in Figure 7, template storage part 108b is mapped " front vehicles license plate species ", " relative velocity " and " suitably vehicle headway corresponding templates " to store.For example, template storage part 108b will be as " 3 licence plate " of " front vehicles license plate species ", be mapped and store as " C(km/h) " of relative velocity and as suitably " D " of vehicle headway corresponding templates.
Vehicle headway detection unit 110b inputs the travel speed of vehicle from vehicle speed sensor 102.Then, vehicle headway detection unit 110b is taken into the image of the license plate of front vehicles from image processing part 110a.And vehicle headway detection unit 110b, according to the variation of the license plate size of the travel speed of vehicle and front vehicles, calculates the relative velocity between front vehicles and vehicle.
For example, under the travel speed of vehicle keeps certain state, vehicle headway detection unit 110b obtains the size variation of the image of the license plate of the front vehicles of certain stipulated time.Then, vehicle headway detection unit 110b calculates the variable quantity of the vehicle headway of certain stipulated time, calculates the travel speed of front vehicles according to the variable quantity of the travel speed of vehicle and vehicle headway.And vehicle headway detection unit 110b for example calculates the relative velocity of the front vehicles that with respect to the relative velocity of vehicle, front vehicles see from vehicle.
After calculating relative velocity, vehicle headway detection unit 110b reads in the corresponding suitable vehicle headway corresponding templates of relative velocity between species and vehicle and the front vehicles of license plate from template storage part 108b.And vehicle headway detection unit 110b judges from the size of the image of the license plate of the front vehicles of image processing part 110a whether be less than the suitable vehicle headway corresponding templates of reading in from template storage part 108b.
[processing (embodiment 3) of convoy spacing management department]
Fig. 8 is the figure that represents the treatment scheme of the convoy spacing management department relevant with embodiment 3.In addition,, in the processing of the convoy spacing management department relevant with embodiment 3, the processing of the step S806 shown in Fig. 8 and step S807 is different from above-described embodiment 2.
As shown in Figure 8,, when record the image of license plate of front vehicles by image processing part 110a, vehicle headway detection unit 110b calculates the relative velocity (step S806) between front vehicles and vehicle.And vehicle headway detection unit 110b reads in the corresponding suitable vehicle headway corresponding templates (step S807) of relative velocity between species and vehicle and the front vehicles of license plate from template storage part 108b.
[effect of embodiment 3]
According to embodiment 3, in the case of having used the relative velocity between vehicle and front vehicles, also can carry out in the same manner the driving evaluation to vehicle headway with above-described embodiment 2.
In addition, also can use the suitable vehicle headway corresponding templates corresponding with the acceleration of vehicle, and vehicle and front vehicles between the corresponding suitable vehicle headway corresponding templates of relative acceleration, replace relative velocity.
[embodiment 4]
In above-described embodiment 2, also can proofread and correct according to the driver's of the characteristic of the driver's of vehicle characteristic, vehicle, front vehicles characteristic etc. the size of suitable vehicle headway corresponding templates.
[structure (embodiment 4) of vehicle]
Fig. 9 is the figure that represents the structure of the vehicle relevant with embodiment 4.As shown in Figure 9, storage part 108 has the 108c of Parameter storage portion.The 108c of Parameter storage portion storage is for proofreading and correct the big or small parameter of suitable vehicle headway corresponding templates according to the driver's of the characteristic of driver's characteristic, vehicle, front vehicles characteristic etc.In addition, in template storage part 108b, do not consider above-mentioned various characteristics, but for the vehicle of mean size, store the big or small template corresponding with the vehicle headway that should guarantee corresponding to travel speed.
Here, the driver's of vehicle characteristic refers to such as driver's age, the driving age etc.In addition, the characteristic of vehicle refers to number of passengers or the load-carrying etc. of such as vehicle.In addition, the driver's of front vehicles characteristic refers to the driving ability that can be responsible for being arranged on by Traffic Administration Bureau the driver that the regulation mark on vehicle recognizes.In vehicle, be provided with forwardly in the situation of so-called " greenery mark ", because driver is beginner, be therefore judged as its driving ability unskilled.In addition, in vehicle, be provided with forwardly in the situation of so-called " red autumnal leaves mark ", because driver is People, be therefore judged as its driving ability low.
For the 108c of Parameter storage portion, for example start weak scope in reflecting nerve in the case of at driver's age, likely braking distance is elongated.Thus, the 108c of Parameter storage portion is for each age store predetermined parameter, and can confirm to guarantee that larger vehicle headway of age is longer, described regulation parameter is less for the size of suitable vehicle headway corresponding templates being carried out to a little.
In addition, for the 108c of Parameter storage portion, for example, be to think that the unskilled age of driving technology, likely braking distance is elongated in driver's driving age.Thus, the 108c of Parameter storage portion is for each driving age store predetermined parameter, and can confirm to guarantee that shorter vehicle headway of driving age is longer, described regulation parameter is for carrying out a little correction to the size of suitable vehicle headway corresponding templates.
In addition, for the 108c of Parameter storage portion, in the case of the load-carrying of the many situations of the number of passengers of vehicle or vehicle is large, likely braking distance is elongated.Thus, the 108c of Parameter storage portion carrys out store predetermined parameter for the load-carrying of each number of passengers or vehicle, can confirm to guarantee the load-carrying of the more or vehicle of number of passengers, more vehicle headway is longer, and described regulation parameter is for carrying out a little correction to the size of suitable vehicle headway corresponding templates.
In addition, for the 108c of Parameter storage portion, the driver of vehicle is in the situation of beginner or People forwardly, likely due to the front vehicles situation that is in jeopardy.Thus, the 108c of the Parameter storage portion forwardly driver of vehicle is in the situation of beginner or People, store predetermined parameter, longer can confirm to guarantee vehicle headway, described regulation parameter is for carrying out a little correction to the size of suitable vehicle headway corresponding templates.
Vehicle headway detection unit 110b reads in the suitable vehicle headway corresponding templates corresponding with the species of license plate and the travel speed of vehicle from template storage part 108b.And vehicle headway detection unit 110b reads in and characteristic, driver's characteristic and the driver's of front vehicles of vehicle the corresponding parameter of characteristic from the 108c of Parameter storage portion.And vehicle headway detection unit 110b revises the size of suitable vehicle headway corresponding templates by the parameter of reading in.
[processing (embodiment 4) of convoy spacing management department]
Figure 10 is the figure that represents the treatment scheme of the convoy spacing management department relevant with embodiment 4.Processing shown in Figure 10 is to start under the prerequisite of input of characteristic of the vehicle such as the characteristic such as age, driving age, number of passengers that receives in advance above-mentioned driver from driver.In addition,, in the processing of the convoy spacing management department relevant with embodiment 4, the processing of the step S1002 shown in Figure 10, step S1003 and step S1008 is different from above-described embodiment 2.
As shown in figure 10, image processing part 110a obtains car type, the data of car body color and the driver's of front vehicles of the front vehicles mirroring in image characteristic (step S1002).And the data relevant with car type, car body color and the driver's of front vehicles characteristic are recorded in (step S1003) in storage inside portion by image processing part 110a.Vehicle headway detection unit 110b is by revising the size (step S1008) of suitable vehicle headway corresponding templates with characteristic, driver's characteristic and the driver's of front vehicles of vehicle the corresponding parameter of characteristic.
[effect of embodiment 4]
According to embodiment 4, can add the driving evaluation to vehicle headway of the driver characteristics of the front vehicles such as the characteristic, beginner, People of the vehicles such as driver's the characteristic such as age, driving age, number of passengers or load-carrying.
[embodiment 5]
Other embodiment of the disclosed convoy spacing management devices of the application, convoy spacing management method and convoy spacing supervisory routine is described below.
(1) apparatus structure etc.
For example, the structure of the convoy spacing management department 110 shown in Fig. 2 is concept of function, without forming as illustrated.For example, also can functionally or physically merge image processing part 110a and the vehicle headway detection unit 110b of the convoy spacing management department 110 shown in Fig. 2.Thus, can form in a whole or part of functionally or physically disperseing/merging convoy spacing management department 110 with arbitrary unit according to various loads, behaviour in service etc.
(2) convoy spacing management method
By above-described embodiment, the convoy spacing management method that the face that is achieved as follows is illustrated.This convoy spacing management method is applicable to above-mentioned convoy spacing management department 110.This convoy spacing management method comprises selection step, obtains step and determining step.
The storage part of the tables of data that above-mentioned selection step is mapped car speed and the template varying in size from storage reads in this tables of data, according to this table reading in, selects the big or small template corresponding with the speed of the vehicle of driving.
The above-mentioned image of obtaining step and obtain the license plate of the vehicle travelling in the front of the vehicle of driving.
Above-mentioned determining step is according to the template of being selected by above-mentioned selection step with by the above-mentioned image of obtaining the license plate that step obtains, and whether the vehicle headway between the vehicle that judgement is being driven and the vehicle travelling in the front of the vehicle of driving is suitable.
(3) convoy spacing supervisory routine
In addition, the various processing of for example carrying out by the convoy spacing management department 110 being illustrated by above-described embodiment, can also realize by carrying out pre-prepd program by the computer system such as personal computer, workstation.In addition, about the various processing of convoy spacing management department 110, for example will be with reference to Fig. 6,9,10 etc.
Therefore, use Figure 11 that an example of the computing machine of carrying out convoy spacing supervisory routine is described below, described convoy spacing supervisory routine realizes the identical function of processing of carrying out with the convoy spacing management department 110 by being illustrated by above-described embodiment.Figure 11 is the figure that represents an example of the computing machine of carrying out convoy spacing supervisory routine.
The CPU(Central Processing Unit that carries out various calculation process: CPU (central processing unit)) 410, receive input media 420 and monitor 430 from user's data input as shown in figure 11, as convoy spacing management department 110 and the computing machine 400 of performance function has:.
In addition, as shown in figure 11, computing machine 400 has: from the medium reading device 440 of storage medium fetch program etc., via the Network Interface Unit 450 that carries out exchanges data between network and other computing machine.In addition, as shown in figure 11, computing machine 400 has the RAM(Random Access Memory of interim storing various information: random access memory) 460 and hard disk unit 470.And, respectively install 410～470 and be connected with bus 480.
In addition, for example can also use MUP(Micro Processing Unit: microprocessing unit) etc. electronic circuit, ASIC(Application Specific Integrated Circuit: special IC), FPGA(Field Programmable Gate Array: field programmable gate array) etc. integrated circuit, replace CPU410.In addition, can also use the semiconductor memery devices such as flash memory (flash memory), replace RAM460.
In hard disk unit 470, store convoy spacing supervisory routine 471 and convoy spacing management data 472 with the Function identical function of above-mentioned convoy spacing management department 110.In addition, can also suitably disperse this convoy spacing supervisory routine 471, be stored in the storage part of other computing machine that can connect communicatedly via network.
And CPU410 is by reading convoy spacing supervisory routine 471 and being deployed in RAM460 from hard disk unit 470, as shown in figure 11, convoy spacing supervisory routine 471 is brought into play function as convoy spacing management process (process) 461.Convoy spacing management process 461 is deployed in the convoy spacing management of reading from hard disk unit 470 self the region being suitably distributed in RAM460 by data 472 grades, carry out various processing according to the various data of this expansion.
In addition, convoy spacing management process 461 for example comprises the processing of carrying out by image processing part 110a and the vehicle headway detection unit 110b of the convoy spacing management department 110 shown in Fig. 2.In addition the processing example that, the processing capacity portion by convoy spacing management department 110 carries out is as corresponding in the processing as shown in Fig. 6 illustrating by above-described embodiment, 9,10 etc.
In addition, about convoy spacing supervisory routine 471, be just necessarily stored in hard disk unit 470 without initial.For example,, being inserted in " removable physical mediums " such as the floppy disk (FD) of computing machine 400, CD-ROM, DVD dish, photomagneto disk, IC-cards the each program of storage.And, also can from them, read each program by computing machine 400 and carry out.
And, the each program of storage in " other computing machine (or server) " etc. of being connected to computing machine 400 via public line, the Internet, LAN, WAN etc.And, also can from them, read each program by computing machine 400 and carry out.
Claims (5)
1. a convoy spacing management devices, is characterized in that,
Image obtaining section, it obtains the image of the vehicle front that comprises the vehicle of driving in coverage travelling;
Positional information obtaining section, it obtains the positional information of the vehicle in described driving;
Judging part, the described image that the interval utilizing in the appropriateness judgement of its convoy spacing based on storing at storage part judge information and obtained by described image obtaining section, the appropriateness of the vehicle headway between the vehicle that carries out the front of the vehicle in vehicle and the described driving in described driving travelling judges; And
Efferent, for being judged as in the inappropriate situation of vehicle headway, carrys out output packet and is contained in this and is judged as the map datum of the position that Vehicle Driving Cycle is crossed when improper in the judged result of described judging part based on described positional information.
2. convoy spacing management devices according to claim 1, is characterized in that,
Also have time information obtaining section, described time information obtaining section obtains the moment of being obtained positional information by described positional information obtaining section,
Described efferent, carrys out output packet based on described positional information and is judged as the map datum of the information of the position that Vehicle Driving Cycle is crossed when improper and the moment of travelling in this position containing this for being judged as in the inappropriate situation of vehicle headway in the judged result of described judging part.
3. according to the convoy spacing management devices described in claim 1 or 2, it is characterized in that also having:
Parameter storage portion, its storage judges the parameter of information for revising described interval according to the characteristic of the driver's of vehicle characteristic or vehicle; With
Correction portion, it reads in the described parameter corresponding with the driver's of the driver's of the vehicle in characteristic, this driving of the vehicle described driving characteristic and the vehicle that just travelling in the front of this vehicle characteristic from described Parameter storage portion, utilize this parameter of reading in to revise described interval and judge information
The described image of described judging part based on being judged information and obtained by described image obtaining section by the revised described interval of described correction portion, the appropriateness judgement of the vehicle headway between the vehicle that carries out the front of the vehicle in vehicle and the described driving in described driving travelling.
4. a convoy spacing management method, is characterized in that, computing machine is carried out following action:
Obtain the image of the vehicle front that comprises the vehicle of driving in coverage travelling;
Obtain the positional information of the vehicle in described driving;
The described image that the interval utilizing in the appropriateness judgement of the convoy spacing based on storing at storage part judges information and obtained by described obtaining section, the appropriateness judgement of the vehicle headway between the vehicle of the front of carrying out the vehicle in vehicle and the described driving in described driving in travelling
For being judged as in the inappropriate situation of vehicle headway, export the map datum that can be identified in this and be judged as the position that Vehicle Driving Cycle is crossed when improper in the judged result of described judging part based on described positional information.
5. a convoy spacing supervisory routine, is characterized in that, makes computing machine carry out following action:
Obtain the vehicle image travelling in the front that comprises the vehicle of driving in coverage;
Obtain the positional information of the vehicle in described driving;
The described image that the interval utilizing in the appropriateness judgement of the convoy spacing based on storing at storage part judge information and obtained by described obtaining section, the appropriateness of the vehicle headway between the vehicle that carries out the front of the vehicle in vehicle and the described driving in described driving travelling judges; And
For being judged as in the inappropriate situation of vehicle headway, export the map datum that can be identified in this and be judged as the position that Vehicle Driving Cycle is crossed when improper in the judged result of described judging part based on described positional information.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-063207 | 2010-03-18 | ||
| JP2010063207A JP2011197947A (en) | 2010-03-18 | 2010-03-18 | Device, method and program for managing intervehicular distance |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110049159.9A Division CN102194331B (en) | 2010-03-18 | 2011-02-25 | Vehicles interval managing device and vehicles interval managing method |
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| CN103824476A true CN103824476A (en) | 2014-05-28 |
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| CN201410056587.8A Pending CN103824476A (en) | 2010-03-18 | 2011-02-25 | Device, method and program for vehicle interval management |
| CN201410056573.6A Pending CN103824475A (en) | 2010-03-18 | 2011-02-25 | Program, device and method for vehicle interval management |
| CN201110049159.9A Expired - Fee Related CN102194331B (en) | 2010-03-18 | 2011-02-25 | Vehicles interval managing device and vehicles interval managing method |
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| CN201410056573.6A Pending CN103824475A (en) | 2010-03-18 | 2011-02-25 | Program, device and method for vehicle interval management |
| CN201110049159.9A Expired - Fee Related CN102194331B (en) | 2010-03-18 | 2011-02-25 | Vehicles interval managing device and vehicles interval managing method |
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| JP (1) | JP2011197947A (en) |
| CN (3) | CN103824476A (en) |
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| CN110312633A (en) * | 2017-02-23 | 2019-10-08 | 松下知识产权经营株式会社 | Image display system, image display method and program |
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| CN110312633A (en) * | 2017-02-23 | 2019-10-08 | 松下知识产权经营株式会社 | Image display system, image display method and program |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103824475A (en) | 2014-05-28 |
| CN102194331B (en) | 2014-07-09 |
| CN102194331A (en) | 2011-09-21 |
| JP2011197947A (en) | 2011-10-06 |
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Application publication date: 20140528 |