WO2013161600A1 - 境界線検出装置、境界線逸脱検出装置および境界線検出プログラム - Google Patents
境界線検出装置、境界線逸脱検出装置および境界線検出プログラム Download PDFInfo
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- WO2013161600A1 WO2013161600A1 PCT/JP2013/061161 JP2013061161W WO2013161600A1 WO 2013161600 A1 WO2013161600 A1 WO 2013161600A1 JP 2013061161 W JP2013061161 W JP 2013061161W WO 2013161600 A1 WO2013161600 A1 WO 2013161600A1
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
- G06V20/588—Recognition of the road, e.g. of lane markings; Recognition of the vehicle driving pattern in relation to the road
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/12—Edge-based segmentation
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- 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
- G08G1/09626—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages where the origin of the information is within the own vehicle, e.g. a local storage device, digital map
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/167—Driving aids for lane monitoring, lane changing, e.g. blind spot detection
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30248—Vehicle exterior or interior
- G06T2207/30252—Vehicle exterior; Vicinity of vehicle
- G06T2207/30256—Lane; Road marking
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
Definitions
- the present invention relates to a boundary line detection device that detects a boundary line (traveling lane line) that is mounted on a vehicle and separates the inside and outside of a travel region in which the host vehicle travels, and a boundary line departure detection device that detects a departure from the boundary line And a boundary detection program.
- a boundary line detection device that detects a boundary line (traveling lane line) that is mounted on a vehicle and separates the inside and outside of a travel region in which the host vehicle travels
- a boundary line departure detection device that detects a departure from the boundary line
- a boundary detection program that detects a departure from the boundary line
- the above technique is also effective when guiding a vehicle by setting a virtual line in a captured image when a boundary line such as a white line cannot be detected.
- a virtual line in a region where the width of the traveling region (running lane) is different from the usual, for example, near the entrance of a toll gate.
- the present invention sets an erroneous virtual line as a boundary line in a boundary line detection device and a boundary line detection program for detecting a boundary line that divides the inside and outside of a travel region in which the host vehicle travels.
- the purpose is to be able to suppress this.
- a boundary line detection device provided by the present application as a typical example is a boundary line detection device (10) that is mounted on a vehicle and detects a boundary line that divides the inside and the outside of a traveling region in which the host vehicle travels.
- the virtual line is set based on the paint line detection unit (15, 10, S120) for detecting the paint line drawn on the left and right road surfaces of the host vehicle and the position of the boundary line detected previously.
- a virtual line setting unit (10, S140) is provided.
- the boundary line detection device (10) further includes a boundary line setting unit (10, S150) for setting the boundary line using at least one of the paint line and the virtual line, and the own vehicle approaches the toll gate And a setting prohibition unit (10, S130) for prohibiting the boundary line setting unit from setting a virtual line as a boundary line when the approach information indicating that the boundary line is acquired is acquired. .
- a boundary line detection apparatus it is possible to prevent the virtual line from being used as a boundary line in an area near a toll gate where there is a high probability of erroneous detection of the virtual line. Therefore, setting an erroneous virtual line as a boundary line can be suppressed.
- the boundary line departure detection apparatus is a boundary line detection unit (10, 15, 16) that detects a boundary line that divides the inside and the outside of the traveling region in which the host vehicle travels. , S110 to S150), a departure determination unit (10, 15, 16, S160) for determining whether or not the own vehicle may deviate from the boundary line, and if there is a possibility of departure, there is a risk of departure.
- An output unit (10, S170) is provided for outputting a certain effect.
- the boundary line detection part is comprised by the boundary line detection apparatus of the said description.
- a boundary line deviation detection device when the vehicle may deviate from the travel area, an output to that effect can be performed, and at this time, an output with an erroneous virtual line as the boundary line is output. Can be suppressed. Therefore, it is possible to accurately perform control based on an output indicating that there is a risk of deviation.
- a boundary line detection program for functioning as each means constituting the device may be used.
- FIG. 1 is a block diagram (a) showing a schematic configuration of a traveling lane departure detection system to which the present invention is applied, and a block diagram (b) showing a configuration of a departure detection ECU.
- It is a flowchart which shows the departure warning process which departure detection ECU performs.
- It is a bird's-eye view which shows the specific example in case it is not necessary to set a virtual line.
- It is a bird's-eye view which shows the specific example in the case of setting a virtual line.
- It is a flowchart which shows the deviation determination process among the deviation warning processes.
- the traveling lane departure detection system 1 is mounted on a vehicle such as a passenger car, for example, and detects a boundary line such as a white line that separates the inside and outside of the traveling lane (traveling region) on which the vehicle (host vehicle) travels. Is a system that detects when it is about to deviate from this boundary. Note that the travel lane departure detection system 1 of the present embodiment also has a function of performing a predetermined output such as issuing an alarm when there is a possibility that the vehicle departs from the travel lane.
- the lane departure detection system 1 includes a departure detection ECU (ECU is an electronic control unit) 10, a vehicle speed sensor 20, a navigation ECU 30, a vehicle control ECU 40, however, for example, each is connected to a communication line 5 where communication is performed by a protocol such as CAN (Controller Area Network), and each is configured to be able to communicate.
- a camera 15 and a radar 16 are connected to the departure detection ECU 10.
- the camera 15 is arranged so as to be able to image the road surface in the traveling direction of the vehicle (a region including the front). Further, the radar 16 transmits electromagnetic waves such as radio waves and laser light toward the front of the vehicle, and detects the position and schematic shape of the front object existing in front of the vehicle by detecting the reflected wave. It is configured as a well-known radar.
- the departure detection ECU 10 is configured to be able to acquire the image captured by the camera 15 and the radar 16 and the detection result of the front object at an arbitrary timing.
- an ETC (Electronic Toll Collection: registered trademark) vehicle-mounted device 35 is connected to the navigation ECU 30, and the navigation ECU 30 is in close proximity to or passes through the toll gate of the ETC vehicle-mounted device 35. It is configured so that toll gate passage information such as a settlement result can be acquired. Further, the navigation ECU 30 can provide toll gate passage information in response to a request from the departure detection ECU 10.
- the departure detection ECU 10 is configured as a known microcomputer including a CPU 11, a ROM 12, a RAM 13, and the like. Then, when there is a possibility that information necessary for detecting the boundary line (traveling line) of the travel lane of the vehicle is acquired from the camera 15 or the radar 16, or the vehicle may deviate from the travel lane, the communication interface ( This is output to the vehicle control ECU 40 via the (I / F) 14. These processes are performed based on a program (including a boundary detection program) stored in the ROM 12. Note that the basic hardware configuration of the navigation ECU 30 and the vehicle control ECU 40 is the same as that of the departure detection ECU 10, and thus the description thereof is omitted.
- the vehicle control ECU 40 is connected to an alarm unit 45 configured as a speaker, an indicator light, or the like.
- an alarm unit 45 configured as a speaker, an indicator light, or the like.
- the vehicle control ECU 40 can also function as a steering torque control device for preventing a traffic accident by controlling the steering torque so that the vehicle does not depart from the travel lane.
- the departure warning process shown in FIG. 2 is a process that is started when the power source of a vehicle such as an ignition switch is turned on, and then repeatedly performed at regular intervals (for example, every 100 ms). Specifically, as shown in FIG. 2, first, the departure detection ECU 10 detects and sets the left and right boundary lines of the travel lane of the vehicle from the captured image in which the traveling direction of the vehicle is captured (S110). To S150). Specifically, first, a captured image obtained by capturing the traveling direction of the vehicle is acquired from the camera 15 (S110).
- a plurality of paint lines (lane boundary lines) drawn on the left and right front road surfaces of the vehicle are sequentially arranged along the traveling direction of the vehicle from a captured image obtained by capturing the traveling direction of the vehicle.
- Lane boundary line candidates (running direction components) representing edge components are extracted (S120). Specifically, in the plurality of pixels constituting the horizontal line of the captured image, those having a rate of change in luminance value of adjacent pixels equal to or higher than a reference value are extracted as edge points.
- the left and right white lines of the vehicle become recognition lines. Will be set as the lane boundary line. Whether the white line on the road is a solid line or a broken line, the lane boundary line is set without interruption.
- the departure detection ECU 10 determines whether or not a “tollgate flag” indicating that the tollgate is approaching is in an ON state by acquiring a flag state (access information) from the RAM 13. (S130). Various specific examples for determining whether or not the toll gate is approaching will be described later. If the toll gate flag is ON (S130: YES), the process proceeds to S150 without setting the virtual line (that is, prohibiting setting the virtual line as a boundary line). If the toll gate flag is in an off state (S130: NO), a virtual line is set (S140). In this process, a virtual line is set based on the position of the boundary line detected before (immediately before) when a paint line cannot be detected from the captured image. Specifically, for example, the position of the boundary line in the captured image detected in the previous process is estimated based on the vehicle speed and the steering angle of the host vehicle, and a virtual line is set on the extension line of the boundary line.
- the virtual line is set when the paint line becomes thin and cannot be detected or does not exist.
- an imaginary line is set on the extension line of the boundary line recognized so far.
- a virtual line is set in the vicinity of the toll gate as shown in FIG. 5A, the width of the traveling lane often changes in the vicinity of the toll gate and may not match the actual traveling lane. For this reason, in the present embodiment, a virtual line is not set near the toll gate (when the toll gate flag is ON).
- the departure detection ECU 10 subsequently selects a lane boundary line using at least one of a paint line and a virtual line (S150).
- a paint line and a virtual line S150
- the most probable ones on the right and left sides of the host vehicle are set as lane boundary lines among the paint lines and virtual lines that are lane boundary line candidates, and the set boundary lines are recorded in the RAM 13.
- the most probable thing can be the one with the highest accuracy based on an arbitrary method such as the one with the highest number of votes in the Hough transform.
- the departure detection ECU 10 subsequently performs departure determination processing (S160).
- the departure determination process is a process of detecting the approach speed at which the vehicle approaches the lane boundary line based on the vehicle speed obtained from the vehicle speed sensor 20, and determining the possibility of deviating from the detected travel lane based on the approach speed. It is. Specifically, as shown in FIG. 6, first, the approach speed at which the vehicle approaches the lane boundary is defined as the departure speed (Vd), and the departure speed (Vd) is set as the yaw angle (the extending direction of the lane boundary line). And the vehicle traveling direction) and the vehicle speed (S210). The yaw angle is obtained during the above-described Hough conversion process of S120, and this value is recorded in the RAM 13 during the process of S120.
- a threshold value (dtlb) of the end distance (DTLB) is calculated (S220).
- This threshold value (dtlb) can be determined by the product of the departure speed (Vd) and the reference time ( ⁇ ) (for example, 2 seconds).
- the vehicle departs from the traveling lane within the reference time ( ⁇ ) by comparing the end distance (DTLB) with the threshold value (dtlb) (S230). If the end distance (DTLB) is equal to or less than the threshold value (dtlb) (S230: YES), the “departure possibility flag” is set to the ON state in the RAM 13 as the vehicle departs from the travel lane (S240). The departure determination process is terminated. On the other hand, if the end distance (DTLB) is larger than the threshold value (dtlb) (S230: NO), the departure possibility flag is set to OFF in the RAM 13 assuming that the vehicle does not depart from the driving lane (S250). The departure determination process is terminated.
- the departure detection ECU 10 refers to the “departure possibility flag” in the RAM 13, and when the departure possibility flag is in the ON state (when the departure possibility is higher than a predetermined reference value).
- the vehicle control ECU 40 is instructed (output) to issue a warning that there is a possibility of departure from the vehicle occupant (S170).
- the vehicle control ECU 40 Upon receiving this instruction, the vehicle control ECU 40 immediately issues an alarm via the alarm unit 45. This completes the departure warning process.
- the toll gate determination process is a process for determining whether or not the toll gate has been approached when the toll gate has not been approached yet, and for determining whether or not the toll gate has passed when the toll gate has already been approached. . Specifically, as shown in FIG. 7A, first, it is determined whether the toll gate flag is in an OFF state (S270).
- toll gate flag is OFF (S270: YES)
- S280 a toll gate mode start determination process described later
- S290 a toll gate mode end determination process is performed (S290). When this process ends, the toll gate determination process ends.
- a target having a shape and a pattern similar to the toll booth feature template recorded in the ROM 12 in advance is extracted from the image captured by the camera 15 (S310). ).
- characters such as ETC arranged near the toll booth, paint patterns peculiar to the toll booth, or the building of the toll booth itself are recorded as a template. Extract using matching.
- S320 it is determined whether there is a characteristic as a toll booth (S320). If there is a characteristic as a toll booth (S320: YES), the number of toll booth determinations (initial value 0 counter) is compared with the maximum determination value (maximum value as a counter) (S330).
- the toll gate determination count is less than the maximum determination value (S330: YES), the toll gate determination count is incremented (S340), and the process proceeds to S410. If the toll gate determination count is equal to or greater than the determination maximum value (S330: NO), the process immediately proceeds to S410.
- S320: NO if there is no characteristic as a toll gate in the processing of S320 (S320: NO), it is compared whether or not the toll gate determination frequency is larger than 0 (zero) (S350). If the toll gate determination count is greater than 0 (S350: YES), the toll gate determination count is decremented (S360), and the process proceeds to S410. If the toll gate determination count is 0 or less (S350: NO), the process immediately proceeds to S410.
- the toll gate determination count is compared with a determination threshold value for determining whether or not the toll gate is.
- the determination threshold is set to a value of 1 or more, and is particularly preferably 2 or more.
- the toll gate flag is set to ON (S420), and the toll gate mode start determination processing is terminated. If the toll gate determination count is less than or equal to the determination threshold (S410: NO), the toll gate mode start determination process is immediately terminated.
- the processes of S510 and S520 are performed in place of the processes of S410 and S420 of the toll booth mode start determination process. Specifically, it is determined whether or not the toll gate determination count is 0 (or 0 or less) (S510). If the toll gate determination count is 0 (S510: YES), the toll gate flag is set to OFF (S520), and the toll gate mode end determination process is terminated. If the toll gate determination count is greater than 0 (S510: NO), the toll gate mode end determination process is immediately terminated.
- the departure detection ECU 10 detects a boundary line that divides the inside and outside of the travel region in which the host vehicle travels, and determines whether the host vehicle may deviate from the boundary line. Judgment is made and if there is a risk of deviation, the fact is output.
- the boundary line run while detecting the paint line (white line) that is actually drawn on the road surface in front of the left and right of the host vehicle.
- a virtual line is set based on the position of the detected boundary line.
- a boundary line is set using at least one of a paint line and a virtual line.
- setting the virtual line as a boundary line is prohibited.
- the departure detection ECU 10 determines whether or not the toll gate is approaching based on a captured image obtained by capturing the traveling direction of the host vehicle, and uses this determination result to generate a virtual line. Decide whether to set as a boundary line.
- the approach information can be detected by itself without receiving the transmission of the approach information from the outside. Further, in the traveling lane departure detection system 1, the departure detection ECU 10 outputs approach information when a toll gate specific object is detected in the captured image.
- approach information can be output when an object specific to a toll gate recorded in advance in a memory is detected. Further, in the lane departure detection system 1, the departure detection ECU 10 outputs approach information when it detects that the toll gate is more than a predetermined number of times set in advance a plurality of times.
- the probability of erroneously recognizing a toll gate is reduced as compared to a configuration in which approach information is immediately output when it is detected that the toll gate is only once. Can do.
- the departure detection ECU 10 outputs approach information when a paint mark on the road indicating a toll gate is detected.
- paint marks on the road for example, the letters “ETC” and striped patterns made of blue and white are applicable in Japan. In the Republic of Korea, a plurality of blue lines are arranged for each gate. Is applicable.
- the departure detection ECU 10 notifies the occupant of the own vehicle when the fact that there is a possibility of departure is output. According to such a traveling lane departure detection system 1, an alarm or the like can be issued when there is a possibility of departure. In addition, what is necessary is just to tell the passenger
- Embodiments of the present invention are not limited to the above-described embodiments, and can take various forms as long as they belong to the technical scope of the present invention.
- notification is made when there is a possibility of departure, but the departure detection ECU 10 or the travel lane departure detection system 1 automatically performs steering so as to maintain the travel region. It may be employed in a device or a steering assist device. In the case of this configuration, when there is a possibility of departure, driving assistance may be performed so that steering is performed in a direction that suppresses the departure.
- the departure detection ECU 10 or the traveling lane departure detection system 1 is employed in an automatic driving device or a steering assist device, when a boundary line is not set (when a toll gate is approached and a virtual line is not used as a boundary line) Etc.), an output indicating that the boundary line cannot be set is output, and when this output is output, the process of automatically steering may be terminated.
- whether or not the toll gate is approaching is determined based on the captured image, but access information indicating that the toll gate is approaching may be acquired from the outside.
- access information indicating that the toll gate is approaching may be acquired from the outside.
- the notification that the ETC on-board device 35 receives from the toll booth, the toll gate proximity notification service, the card forgetting notification service (these are notified with a beeping sound), and other vehicles have settled the toll gate through inter-vehicle communication.
- the approach information may be acquired when an external input such as a notification is received.
- the travel lane departure detection system 1 corresponds to the boundary line departure detection device according to the present invention
- the departure detection ECU 10 corresponds to the boundary line detection device in the claims.
- the processing of the camera 15, the radar 16, and the departure detection ECU 10 and S110 to S150 corresponds to the boundary detection unit of the claims, and in particular, the processing of the camera 15 and the departure detection ECUs 10 and S110 is an image of the claims.
- the processing of the camera 15 and the departure detection ECUs 10 and S120 in the detection unit is performed in the paint line detection unit in the claims, and the processing in the departure detection ECUs 10 and S130 is performed in the setting prohibition unit in the claims.
- the process corresponds to the virtual line setting unit in the claims, and the processes of the departure detection ECUs 10 and S150 correspond to the boundary line setting unit in the claims.
- the processing of the camera 15 and the departure detection ECUs 10 and S160 corresponds to the departure determination unit in the claims, and the processing of the departure detection ECUs 10 and S170 corresponds to the output unit.
- the vehicle control ECU 40 and the warning unit 45 correspond to the notification device in the claims.
- the processing of the camera 15 (not necessarily required) and the departure detection ECU 10 and S310 to S420 and S310 to S520 correspond to the toll gate determination unit in the claims.
- the ETC on-vehicle device 35 and the navigation ECU 30 correspond to an approach information acquisition device that acquires information from the outside of the vehicle that the vehicle is approaching the toll gate.
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Description
走行レーン逸脱検出システム1は、例えば乗用車等の車両に搭載されており、当該車両(自車両)が走行する走行レーン(走行領域)の内外を区分する白線等の境界線を検出し、自車両がこの境界線を逸脱しようとする場合、それを検出するシステムである。なお、本実施形態の走行レーン逸脱検出システム1においては、当該車両が走行レーンを逸脱する虞がある場合に、警報を発するなどの所定の出力を行う機能も備えている。
このように構成された走行レーン逸脱検出システム1において実施される、当該車両が走行レーンを逸脱する虞がある場合に警報を発する処理について説明する。
また、料金所フラグがオフ(OFF)状態であれば(S130:NO)、仮想線を設定する(S140)。この処理では、撮像画像中からペイント線が検出できない場合等に、以前(直前)に検出された境界線の位置に基づいて仮想線を設定する処理である。具体的には、例えば前回の処理において検出された撮像画像中の境界線の位置を自車両の車速および舵角に基づいて推定し、その境界線の延長線上に仮想線を設定する。
上記のように詳述した走行レーン逸脱検出システム1において、逸脱検出ECU10は自車両が走行する走行領域の内外を区分する境界線を検出し、自車両が境界線から逸脱する虞があるかを判定し、逸脱をする虞がある場合、その事実を出力する。特に、境界線を検出する際には自車両の左右前方の路面上に実際に描かれているペイント線(白線)を検出しつつ走行し、境界線が途切れたときは、以前(直前)に検出されていた境界線の位置に基づいて仮想線を設定する。
本発明の実施の形態は、上記の実施形態に何ら限定されることはなく、本発明の技術的範囲に属する限り種々の形態を採りうる。
本実施形態の走行レーン逸脱検出システム1は本発明でいう境界線逸脱検出装置に相当し、逸脱検出ECU10は、請求の範囲の境界線検出装置に対応する。また、カメラ15、レーダ16及び逸脱検出ECU10とS110~S150の処理は、請求の範囲の境界線検出部に対応し、特に、カメラ15及び逸脱検出ECU10とS110の処理は、請求の範囲の画像検出部に、カメラ15及び逸脱検出ECU10とS120の処理は、請求の範囲のペイント線検出部に、逸脱検出ECU10とS130の処理は、請求の範囲の設定禁止部に、逸脱検出ECU10とS140の処理は、請求の範囲の仮想線設定部に、逸脱検出ECU10とS150の処理は、請求の範囲の境界線設定部に、それぞれ対応する。また、カメラ15及び逸脱検出ECU10とS160の処理は、請求の範囲の逸脱判定部に対応し、逸脱検出ECU10とS170の処理は出力部に対応する。さらに、車両制御ECU40と警報部45は、請求の範囲の報知装置に対応する。またカメラ15(必ずしも必要ではない)及び逸脱検出ECU10とS310~S420、及びS310~S520の処理は、請求の範囲の料金所判定部に対応する。また、ETC車載器35とナビゲーションECU30は、「当該車両外部より、当該車両が料金所に接近しているとの情報を取得する接近情報取得装置に対応する。
Claims (10)
- 車両に搭載され、自車両が走行する走行領域の内外を区分する境界線を検出する境界線検出装置(10)であって、
自車両の左右前方の路面上の画像を取得する画像取得部(15、10、S110)と、
前記画像取得部で取得された画像中、路面上に描かれたペイント線を検出するペイント線検出部(15、10、S120)と、
以前に検出された境界線の位置に基づいて仮想線を設定する仮想線設定部(10、S140)と、
前記ペイント線および前記仮想線のうちの少なくとも一方を利用して前記境界線を設定する境界線設定部(10、S150)と、
自車両が料金所に接近している旨を示す接近情報が取得された場合、仮想線を境界線として設定することを禁止する設定禁止部(10、S130)
とを有する、ことを特徴とする、境界線検出装置。 - 自車両の進行方向を撮像した撮像画像に基づいて料金所に接近しているか否かを判定する料金所判定部(15、10、S310~S420)をさらに備え、
該料金所判定部から前記接近情報を取得する、
ことを特徴とする、請求項1に記載の境界線検出装置。 - 前記料金所判定部は、撮像画像中において料金所特有の対象物を検出した場合に、前記接近情報を出力すること、
を特徴とする、請求項2に記載の境界線検出装置。 - 前記料金所判定部は、料金所である旨を予め複数回に設定された基準回数以上検出した場合に、前記接近情報を出力すること、
を特徴とする、請求項1又は2に記載の境界線検出装置。 - 前記料金所判定部は、料金所を示す路上のペイントマークを検出した場合に前記接近情報を出力すること、
を特徴とする、請求項1に記載の境界線検出装置。 - 当該車両外部からの情報に基づいて料金所に接近しているか否かを判定する料金所判定部(10、S310~S420)をさらに備えることを特徴とする、請求項1に記載の境界線検出装置。
- 車両に搭載され、自車両が走行領域から逸脱する虞がある際に所定の出力を行う境界線逸脱検出装置(1)であって、
自車両が走行する走行領域の内外を区分する境界線を検出する境界線検出部(10、15、16、S110~S150)と、
自車両が前記境界線から逸脱する虞があるかを判定する逸脱判定部(10、15、16、20、S160)と、
前記逸脱をする虞がある場合に、逸脱の虞がある旨の出力を行う出力部(10、S170)と、
を備え、
前記境界線検出部は、請求項1~請求項6の何れか1項に記載の境界線検出装置により構成される、
ことを特徴とする、境界線逸脱検出装置。 - 当該車両外部より、当該車両が料金所に接近しているとの情報を取得する接近情報取得装置(30、35)を備えていることを特徴とする、請求項7に記載の境界線逸脱検出装置。
- 前記逸脱の虞がある旨が出力された場合に当該車両の乗員に報知を行う報知装置(40,45)、
を備えていることを特徴とする、請求項7又は8に記載の境界線逸脱検出装置。 - コンピュータを請求項1~請求項6の何れか1項に記載の境界線検出装置を構成する各手段として機能させるための境界線検出プログラム。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/397,036 US9665779B2 (en) | 2012-04-27 | 2013-04-15 | Boundary-line-detecting device, boundary-line-deviation detecting device, and boundary-line-detection program |
| CN201380022328.7A CN104272363B (zh) | 2012-04-27 | 2013-04-15 | 边界线检测装置、边界线偏离检测装置以及边界线检测方法 |
| DE112013002193.5T DE112013002193T5 (de) | 2012-04-27 | 2013-04-15 | Grenzlinienerfassungsvorrichtung, Grenzlinienabweichungserfassungsvorrichtung und Grenzlinienerfassungsprogramm |
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| JP2012103327A JP5846034B2 (ja) | 2012-04-27 | 2012-04-27 | 境界線検出装置、逸脱検出装置および境界線検出プログラム |
| JP2012-103327 | 2012-04-27 |
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| Country | Link |
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| US (1) | US9665779B2 (ja) |
| JP (1) | JP5846034B2 (ja) |
| CN (1) | CN104272363B (ja) |
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| JP5846034B2 (ja) | 2016-01-20 |
| US20150070501A1 (en) | 2015-03-12 |
| US9665779B2 (en) | 2017-05-30 |
| DE112013002193T5 (de) | 2015-01-15 |
| JP2013232079A (ja) | 2013-11-14 |
| CN104272363A (zh) | 2015-01-07 |
| CN104272363B (zh) | 2016-06-29 |
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