KR20150001480A - Apparatus and method for providing intelligent transport information - Google Patents

Apparatus and method for providing intelligent transport information Download PDF

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Publication number
KR20150001480A
KR20150001480A KR1020130074778A KR20130074778A KR20150001480A KR 20150001480 A KR20150001480 A KR 20150001480A KR 1020130074778 A KR1020130074778 A KR 1020130074778A KR 20130074778 A KR20130074778 A KR 20130074778A KR 20150001480 A KR20150001480 A KR 20150001480A
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South Korea
Prior art keywords
traffic
road
vehicle
information providing
information
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KR1020130074778A
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Korean (ko)
Inventor
임기택
신대교
윤상훈
정한균
이세연
진성근
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전자부품연구원
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Priority to KR1020130074778A priority Critical patent/KR20150001480A/en
Publication of KR20150001480A publication Critical patent/KR20150001480A/en

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    • 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
    • G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
    • G08G1/0116—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from roadside infrastructure, e.g. beacons
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/096805—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/096833—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Traffic Control Systems (AREA)

Abstract

The present invention relates to an intelligent traffic information providing device and an intelligent traffic information providing method. The intelligent traffic information providing method comprises: by a traffic information providing device, collecting an image photographed by a photographing vehicle driving on the road; determining traffic congestion based on the congestion degree of vehicles by separately recognizing the road and the vehicles from the image; and providing traffic congestion information to a driving vehicle which is intended to drive the road, thereby expecting smooth traffic by determining the passage of the road considering the traffic congestion to distribute the volume of traffic to the roads.

Description

Technical Field [0001] The present invention relates to an intelligent traffic information providing apparatus and method,

The present invention relates to a method of providing traffic information, and more particularly, to an intelligent traffic information providing apparatus capable of providing information related to a traffic situation of a road to another vehicle based on a video image taken by a vehicle running on the road, And methods.

Traffic explosion is intensifying with the explosion of vehicles, and it is required to provide information on the traffic situation of each road so that the vehicle operator can use the relatively smooth road.

However, conventionally provided real-time traffic information is limited in that information collected as information provided using a fixed traffic information collection device installed at a specific location is limited, there is a limit in real-time property of information, and detailed traffic It is impossible to collect information.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems and to provide an intelligent vehicle which can capture the situation of a road using a vehicle running on the road and provide information on how crowded the road is, And to provide a traffic information providing apparatus and method.

According to another aspect of the present invention, there is provided an intelligent traffic information providing method including: a collecting step of collecting images photographed by a traffic information providing apparatus in a photographing vehicle traveling on a road; And a step of providing the traffic information providing device with the traffic congestion degree information to the driving vehicle for driving the road, based on the degree of traffic congestion on the road, .

The intelligent traffic information providing method of the present invention is characterized in that the traffic information providing apparatus collects the image from the photographed vehicle through an ITS (Intelligent Transport System) base station located within a predetermined distance from the road do.

In the intelligent traffic information providing method of the present invention, in the collecting step, the traffic information providing apparatus collects at least one of position information and running speed information of the photographed vehicle, The traffic congestion degree is determined in consideration of at least one of the location information and the traveling speed information.

In the intelligent traffic information providing method of the present invention, the determining may include: extracting a feature vector of an object to be detected from the image, the traffic information providing apparatus extracting the feature vector extracted by the traffic information providing apparatus, And recognizing the vehicle using the feature vector classified by the traffic information providing device.

In the intelligent traffic information providing method of the present invention, in the providing step, the traffic information providing apparatus provides the traffic congestion information to the driving vehicle through an ITS base station located within a predetermined distance from the road.

In the intelligent traffic information providing method of the present invention, in the providing step, the traffic information providing apparatus transmits the traffic congestion degree information to the management server, and the traffic congestion degree information is provided to the driving vehicle from the management server .

In the intelligent traffic information providing method of the present invention, the management server receives traffic congestion information from a plurality of traffic information providing apparatuses to form a traffic information map, and receives a request from the driving vehicle, And provides traffic congestion information of the road.

According to another aspect of the present invention, there is provided an intelligent traffic information providing apparatus, comprising: an image collection module for collecting images photographed by a photographed vehicle while driving on a road; A determination module for determining the degree of traffic congestion on the basis of the density of the traffic congestion information, and an information providing module for providing the traffic congestion degree information to the driving vehicle for driving the road.

According to the intelligent traffic information providing apparatus and method of the present invention, the following effects can be expected.

First, roads can be photographed and traffic information can be provided by using a vehicle that is actually running on the road without a separate traffic information collection device, thereby reducing installation cost for providing traffic information.

Second, it is possible to acquire images of each part of the road from a vehicle running on the road, and it is possible to provide information on the traffic congestion degree by grasping the overall traffic situation of the road.

Third, ITS (Intelligent Transport System) base station located near the road can provide information about the traffic situation to the vehicle that is going to run on a specific road or running, and it can exchange information about the traffic situation among the running vehicles , It is possible to provide real-time traffic information.

Fourth, considering the traffic congestion, it is possible to expect the traffic to be distributed smoothly by distributing the traffic volume to a plurality of roads.

1 is a diagram illustrating a system for providing traffic information according to an embodiment of the present invention.
2 is a block diagram illustrating a configuration of a traffic information providing apparatus according to an embodiment of the present invention.
3 is a flowchart illustrating a process of providing traffic information according to an embodiment of the present invention.

In the following description, only parts necessary for understanding the embodiments of the present invention will be described, and the description of other parts will be omitted so as not to obscure the gist of the present invention.

The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings and the inventor is not limited to the meaning of the terms in order to describe his invention in the best way. It should be interpreted as meaning and concept consistent with the technical idea of the present invention. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely preferred embodiments of the present invention, and are not intended to represent all of the technical ideas of the present invention, so that various equivalents And variations are possible.

The present invention relates to a technique for providing information on a traffic situation of a road. Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram illustrating a system for providing traffic information according to an embodiment of the present invention. 1, the photographed vehicle 1, the traveling vehicle 2 and the other vehicle 3 are located on the road 4 and the ITS (Intelligent Transport System) base station 5 is located adjacent to the road 4, And a traffic information providing apparatus 100 capable of communicating via the ITS base station 5 is located. 1, the traffic information providing apparatus 100 is represented as an apparatus located separately from the vehicles 1, 2 and 3. However, according to the embodiment, the traffic information providing apparatus 100 is installed in each of the vehicles 1, Lt; / RTI >

The photographed vehicle 1 running on the road 4 takes an image of the situation of the road 4 using a camera or the like mounted therein. At this time, the image taken by the photographed vehicle 1 contains the state of the road 4 and the state of the vehicle 3 running on the road 4.

The image taken by the photographing vehicle 1 is collected by the traffic information providing apparatus 100. The image is collected from the photographing vehicle 1 through the ITS (Intelligent Transport System) 100).

ITS (Intelligent Transport System) is an intelligent transportation system that collectively provides traffic information by applying information and communication technology to effectively cope with traffic problems such as traffic jam.

The ITS base station 5 is positioned within a certain distance from the road 4 and relays data transmission and reception between the photographing vehicle 1 and the traveling vehicle 2 and the traffic information providing apparatus 100. At this time, the ITS base station 5 has a wireless communication interface or a wired communication interface for transmitting / receiving data to / from the photographed vehicle 1, the traveling vehicle 2, and the traffic information providing apparatus 100.

In this case, the image photographed by the photographed vehicle 1 is transmitted to the ITS base station 5 using wireless communication, and the corresponding image is provided to the traffic information providing apparatus 100 through wireless communication or wired communication. On the other hand, if the traffic information providing apparatus 100 is mounted on the photographed vehicle 1 according to the embodiment, the photographed image of the photographed vehicle 1 is directly transmitted to the traffic information providing apparatus 100. [

In this manner, the traffic information providing apparatus 100 can collect the images photographed by the photographed vehicle 1 in real time. The traffic information providing apparatus 100 can collect roads 4 and 3 from the collected images Recognizes the degree of density of the vehicle 3 on the road 4 and calculates the traffic congestion degree of the road 4 based on the ratio of the vehicle 3 occupying the road 4. [

The traffic information providing apparatus 100 provides information related to the traffic congestion degree of the road 4 calculated in the traveling vehicle 2 to which the road 4 is to be traveled. In this case, the traffic information providing apparatus 100 can provide traffic congestion information of the road 4 to the driving vehicle 2 through the ITS base station 5. At this time, the ITS base station 5 and the driving vehicle 2 Traffic congestion information can be transmitted using wireless communication.

The traveling vehicle 2 provided with the information on the traffic congestion on the road 4 can pass the road 4 or travel on another road in consideration of the traffic congestion degree. As a result, We can expect smooth communication.

In one embodiment of the present invention, the traffic information providing apparatus 100 determines the traffic congestion degree of the road 4 using the image collected from the photographing vehicle 1, and then transmits the traffic congestion degree information to the management server 200 . In this case, the management server 200 may receive the traffic congestion information for a plurality of roads from the plurality of traffic information providing apparatuses and configure a traffic information map. 4) traffic congestion information. At this time, the management server 200 may provide the traffic congestion information to the driving vehicle 2 using the ITS base station 5.

The configuration and functions of the traffic information providing apparatus 100 for collecting the photographed images of the road 4 to calculate the traffic congestion degree and providing the corresponding traffic congestion degree information according to the present invention will be described in more detail with reference to FIG. .

2 is a block diagram showing a configuration of a traffic information providing apparatus 100 according to an embodiment of the present invention.

1 and 2, the traffic information providing apparatus 100 of the present embodiment includes an image collecting module 10, a determining module 20, and an information providing module 30.

The image collection module 10 collects images photographed by the photographed vehicle 1 traveling on the road 4. The image acquisition module 10 includes various communication interfaces for transmitting and receiving data through communication with the photographing vehicle 1 and may include a communication interface for receiving image data through the ITS base station 5 .

The judging module 20 discriminates the road 4 and the vehicle 3 from the image collected by the image collecting module 10 and judges the traffic congestion on the basis of the density of the vehicle 3 on the road 4 . The determination module 20 may include an operation unit, an application program storage, a memory, and the like.

At this time, the determination module 20 extracts a feature vector of the detection object from the image collected by the image collection module 10, classifies the extracted feature vector according to the detection object, The vehicle 3 can be recognized and recognized.

For example, the determination module 20 may use a Haar-like feature that expresses a feature value through a simple sum image using the difference characteristic between a specific object area and a background color area, a gradient distribution in the image of the detection object, HOG (Histogram of Oriented Gradients) that histograms the features, Co-occurrence HOG (CoHOG) that constructs the feature vector by informing the directional relationship of the gradients between the pixels, or the relationship between the current pixel and surrounding pixels, (LBP) which histograms the values, the feature vector is extracted by using Modified Census Transform (MCT), which uses the contrast information in the local domain but performs well even in low illumination environment, Of the vehicle 3 can be separated and recognized by separating the characteristic vector of the vehicle 3 from the road 4. [ The judging module 20 can judge the traffic congestion degree of the road 4 in consideration of the area and length of the road 4 in the image and the number of the vehicle 3 in comparison with the length of the road 4 in the image.

According to the embodiment, the image acquisition module 10 can acquire the position information and the traveling speed information of the photographing vehicle 1 together with the image photographed by the photographing vehicle 1. For example, the image acquisition module 10 can receive the position information of the photographing car 10 through GPS (Global Positioning System) equipment mounted on the photographing vehicle 1, The location information of the photographed vehicle may be collected according to the location of the base station 5. [ The image acquisition module 10 can also receive information on the speed of the photographing vehicle 1 running on the road 4 from the photographing vehicle 1. [

In this case, the determination module 20 can determine the traffic congestion degree of the road 4 in consideration of the location information and the traveling speed information collected by the image collection module 10. For example, The traffic congestion degree for the specific road 4 in which the photographed vehicle 1 is traveling can be determined according to the position information and the congestion degree for the specific section among the specific roads 4 can be calculated. If the traveling speed of the photographed vehicle 1 is relatively large, it is determined that the traffic congestion degree of the road 4 is low. If the traveling speed of the photographed vehicle 1 is relatively small, it is determined that the traffic congestion degree of the road 4 is high can do.

The information providing module 30 provides the traffic congestion information of the road 4 determined by the determination module 20 to the driving vehicle 2 to travel on the road 4 and includes a communication interface .

For example, when the driving vehicle 2 requests information relating to the traffic congestion of the road 4 in accordance with a user operation, or when the driving vehicle 2 is adjacent to the road 4 or enters the road 4, The information providing module 30 provides information on the traffic congestion degree of the road 4 so that the driving vehicle 2 can judge whether or not it is proper to drive the road 4. [ The traveling vehicle 2 provided with the traffic congestion information of the road 4 can pass the road 4 or other roads in consideration of the traffic congestion information and can smoothly communicate with a plurality of roads have. At this time, the information providing module 30 can provide information on the traffic congestion degree of the road 4 to the driving vehicle 2 through the ITS base station 5 located adjacent to the road 4, and the ITS base station 5 May transmit traffic congestion information to the driving vehicle 2 using wireless communication.

The information providing module 30 can transmit information on the traffic congestion degree of the road 4 determined by the determination module 20 to the separate management server 200 according to the embodiment. In this case, the management server 200 may be a server apparatus that constructs a traffic information map by receiving traffic congestion information for a plurality of roads from a plurality of traffic information providing apparatuses, and the management server 200 may use a traffic information map So as to provide information on the traffic congestion degree of the road 4 to the traveling vehicle 2. At this time, the management server 200 may receive the request from the driving vehicle 2 or selectively provide the traffic congestion information of the road 4 corresponding to the position of the driving vehicle 2.

The process of providing traffic information to the driving vehicle 2 based on the image photographed by the photographing vehicle 1 according to the present invention will be described in detail with reference to FIG.

3 is a flowchart illustrating a process of providing traffic information according to an embodiment of the present invention.

Referring to FIG. 3, a photographing vehicle traveling on a specific road is photographed using a mounted camera or the like (S1).

Then, the traffic information providing apparatus collects the images photographed by the photographed vehicle (S2), and determines the traffic congestion degree of the road photographed by the photographed vehicle (S3).

In step S2, the traffic information providing apparatus can collect images taken by the photographed vehicle through the ITS base station located within a certain distance from the road on which the photographed vehicle travels. At this time, the photographed vehicle is connected to the ITS base station And transmit the image data to the traffic information providing device of the year.

The traffic information providing device in step S3 discriminates the road and the vehicle from the image collected in step S2 and determines the traffic congestion based on the information of the dense vehicles. In this case, the traffic information providing apparatus can extract the feature vectors of the detected objects from the image, classify the feature vectors according to the detected objects, and recognize the vehicles using the classified feature vectors.

For example, the traffic information providing device may include a Haar-like feature that expresses a feature value through a simple sum image, using a difference characteristic between a specific object area and a background color area, a distribution characteristic of a gradient appearing in an image of the detection object, HOG (Histogram of Oriented Gradients) which histograms the gradient direction of the pixels, Co-occurrence HOG (CoHOG) which forms the feature vector by informing the gradient directional relationship between pixels, or code value (LBP) which histograms the feature vectors, Modified Census Transform (MCT) which uses the contrast information in the local domain but performs well even in low illumination environment, Can be separated from the road, and the vehicle can be recognized. When the traffic information providing device identifies the vehicle from the road, the traffic congestion degree of the road can be determined considering the area of the road, the length of the road, and the number of the recognized vehicles.

In one embodiment of the present invention, the traffic information providing apparatus can further collect the location information and the traveling speed information of the photographed vehicle in step S2. In step S3, the traffic information congestion degree Can be determined.

Thereafter, the traffic information providing device provides the traffic congestion degree information determined in step S3 to the driving vehicle to travel on the road (S4).

In step S4, the traffic information providing apparatus may provide the traffic congestion information to the driving vehicle through the ITS base station located within a certain distance from the road in the image. At this time, the ITS base station transmits the traffic congestion information to the driving vehicle through the wireless communication .

According to the embodiment, the traffic information providing apparatus of step S4 may transmit traffic congestion information of the road determined in step S3 to a separate management server, and may transmit the traffic congestion information to the traveling vehicle. At this time, the management server can construct a traffic information map by receiving the traffic congestion information for a plurality of roads from a plurality of traffic information providing apparatuses. Using the traffic information map thus configured, the information on the traffic congestion degree of the roads .

In step S4, the traveling vehicle provided with the traffic congestion information of the road can pass the corresponding road or other roads in consideration of the traffic congestion, and as a result, traffic can be distributed on a plurality of roads and smooth communication can be expected.

The traffic information providing method according to an embodiment of the present invention may be implemented in a form of a program readable by various computer means and recorded in a computer-readable recording medium.

It should be noted that the embodiments disclosed in the present specification and drawings are only illustrative of specific examples for the purpose of understanding, and are not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein. Furthermore, although specific terms are used in this specification and the drawings, they are used in a generic sense only to facilitate the description of the invention and to facilitate understanding of the invention, and are not intended to limit the scope of the invention.

1: photographing vehicle 2: driving vehicle
3: vehicle 4: road
5: ITS base station 10: Image acquisition module
20: Judgment module 30: Information providing module
100: traffic information providing apparatus 200: management server

Claims (8)

A collection step of collecting images taken by a traffic information providing apparatus in a photographed vehicle traveling on a road;
Determining whether the traffic information providing apparatus recognizes the road and the vehicle on the basis of the density of the vehicle on the road; And
Providing the traffic information providing device with the traffic congestion information to the driving vehicle for driving the road;
Wherein the intelligent traffic information providing method comprises: The method according to claim 1,
Wherein the collecting step collects the image from the photographed vehicle through an ITS (Intelligent Transport System) base station located within a predetermined distance from the road. The method according to claim 1,
Wherein the collecting step collects at least one of the location information and the traveling speed information of the photographed vehicle,
Wherein the traffic information providing device determines the traffic congestion level based on at least one of the location information and the traveling speed information. The method according to claim 1,
Wherein,
Extracting a feature vector of an object to be detected from the image by the traffic information providing apparatus;
Classifying the feature vector extracted by the traffic information providing device according to a detection object; And
Recognizing the vehicle using the feature vector classified by the traffic information providing device;
Wherein the intelligent traffic information providing method comprises: The method according to claim 1,
Wherein the providing step comprises:
Wherein the traffic information providing device provides the traffic congestion information to the driving vehicle through an ITS base station located within a predetermined distance from the road. The method according to claim 1,
Wherein the providing step comprises:
Wherein the traffic information providing device transmits the traffic congestion information to a management server and the management server provides the traffic congestion information to the driving vehicle. The method according to claim 6,
Wherein the management server receives traffic congestion information from a plurality of traffic information providing apparatuses to form a traffic information map and receives traffic congestion information from the driving vehicle or provides traffic congestion information of the road corresponding to the position of the traveling vehicle The method comprising the steps of: An image collecting module for collecting images photographed by the photographed vehicle while driving on the road;
A determination module for recognizing the road and the vehicle in the image and determining a traffic congestion degree based on the degree of density of the vehicle on the road; And
An information providing module for providing the traffic congestion degree information to a traveling vehicle to be driven on the road;
And a traffic information providing unit configured to transmit the traffic information to the intelligent traffic information providing unit.
KR1020130074778A 2013-06-27 2013-06-27 Apparatus and method for providing intelligent transport information KR20150001480A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107393304A (en) * 2017-09-11 2017-11-24 安徽实运信息科技有限责任公司 A kind of traffic condition detection system passed through based on bayonet socket
CN107564315A (en) * 2017-09-11 2018-01-09 安徽实运信息科技有限责任公司 A kind of urban transportation intellectuality inducible system
CN107564314A (en) * 2017-09-11 2018-01-09 安徽实运信息科技有限责任公司 A kind of early warning system based on traffic congestion
KR20190051562A (en) * 2017-11-07 2019-05-15 전자부품연구원 Method for Sharing Intersection Information using Hybrid Communication
KR102322095B1 (en) * 2021-07-29 2021-11-04 (주)파란아이티 Road condition guidance system
KR102460841B1 (en) * 2022-05-16 2022-10-31 한국건설기술연구원 Method and apparatus for traffic demand control in underground road

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107393304A (en) * 2017-09-11 2017-11-24 安徽实运信息科技有限责任公司 A kind of traffic condition detection system passed through based on bayonet socket
CN107564315A (en) * 2017-09-11 2018-01-09 安徽实运信息科技有限责任公司 A kind of urban transportation intellectuality inducible system
CN107564314A (en) * 2017-09-11 2018-01-09 安徽实运信息科技有限责任公司 A kind of early warning system based on traffic congestion
KR20190051562A (en) * 2017-11-07 2019-05-15 전자부품연구원 Method for Sharing Intersection Information using Hybrid Communication
KR102322095B1 (en) * 2021-07-29 2021-11-04 (주)파란아이티 Road condition guidance system
KR102460841B1 (en) * 2022-05-16 2022-10-31 한국건설기술연구원 Method and apparatus for traffic demand control in underground road

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