CN110758286A - AR-HUD (augmented reality) -based automobile side and rear blind spot detection system and method based on head-up display - Google Patents
AR-HUD (augmented reality) -based automobile side and rear blind spot detection system and method based on head-up display Download PDFInfo
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- CN110758286A CN110758286A CN201911005632.6A CN201911005632A CN110758286A CN 110758286 A CN110758286 A CN 110758286A CN 201911005632 A CN201911005632 A CN 201911005632A CN 110758286 A CN110758286 A CN 110758286A
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- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 230000003190 augmentative effect Effects 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000004888 barrier function Effects 0.000 claims abstract description 6
- 230000006399 behavior Effects 0.000 claims abstract description 4
- 238000010586 diagram Methods 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
- B60R2300/802—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for monitoring and displaying vehicle exterior blind spot views
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- Automation & Control Theory (AREA)
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Abstract
The invention relates to an AR-HUD (Augmented Reality-Head Up Display, AR-HUD) -based Augmented Reality Head-Up Display automobile lateral and rear blind spot detection system and method. The driver accurately judges the position of the barrier according to the warning mark displayed by the AR-HUD, so that corresponding driving behaviors are adopted to prevent collision, and the driving safety is improved.
Description
Technical Field
The invention relates to the technical field of automobile blind spot detection, in particular to an AR-HUD (augmented reality) -based head-up display automobile side and rear blind spot detection system and method.
Background
Head-up display technology has been used for optical aiming and radar aiming since the sixties of the last century, and by development, head-up displays have been widely used for airplanes at the end of the 60 th century. Since the 70's of the 20 th century, it has been used in conveyors, civilian aircraft, helicopters and space shuttle. By using a conventional heads-up display system, the driver can see important information projected on the windshield, which can help the driver to more safely observe an emergency and take action in time without lowering his head or shifting his line of sight.
An Augmented Reality Head-Up Display (AR-HUD) projects information onto a windshield, but the difference is that the projected content and position are combined with the real environment, and the Display range is not limited to a certain position, but extends to the entire windshield. Because AR-HUD combines image information in the actual traffic road conditions through the optical system of inside special design accurately, has the advantage that the demonstration is clear, the science and technology feels strong, the degree of fusion is high with the car to the perception of driver to actual driving environment has been strengthened in the extension.
Disclosure of Invention
The invention aims to overcome the defects of the traditional HUD head-up display and provide a system and a method for detecting blind spots behind and beside an automobile based on AR-HUD augmented reality head-up display, which display blind spot objects behind and beside the automobile in front of the visual field of a driver, reduce the safety problem caused by the uncertainty of positioning blind zone vehicles due to the blind zone of the visual field of the driver and improve the driving safety.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a because AR-HUD augmented reality new line shows car rear side blind spot detecting system, this system includes:
the detection unit is used for acquiring vehicle running conditions, including vehicle running speed information and lane change information, so as to obtain the vehicle running conditions;
the system comprises a sensing unit, a control unit and a control unit, wherein the sensing unit is used for acquiring vehicle peripheral information comprising relative position information and relative speed information of a peripheral vehicle so as to obtain the running condition of the peripheral vehicle;
the processing unit is used for receiving the vehicle running speed information, the relative position information and the relative speed information of the surrounding vehicles in real time and calculating a blind area warning prompt scheme by integrating the received information;
and the display unit adopts AR-HUD equipment and is used for projecting the blind area warning scheme onto the front windshield to assist in reminding a driver of the vehicle blind area.
Further, the AR-HUD device adopts an AR-HUD projector.
Further, the processing unit employs a PGU image generating unit.
Further, the PGU image generating unit includes a light emitting diode matrix, a heat sink, a printed circuit board, a TFT color display, and a light pipe.
Furthermore, the display unit adopts AR-HUD equipment for projecting the blind area warning scheme to the front windshield through the reflector by the AR-HUD projector, and assists in reminding the driver of the vehicle blind area.
The invention also provides an anti-collision method based on the AR-HUD augmented reality head-up display automobile side rear blind spot detection system, which comprises the following steps: the detection unit, the sensing unit and the processing unit acquire real-time speed, lane lines and vehicle peripheral information of the vehicle, the display unit is used for projecting the real-time speed, the lane lines and the vehicle peripheral information to the front view of a driver, the processing unit is used for judging whether obstacles exist in each blind area of the vehicle according to the data of the sensing unit, and when the obstacles exist in each blind area of the vehicle, the AR-HUD equipment is combined to alarm identification schemes corresponding to different blind area positions, so that the driver can judge the positions of the obstacles according to the alarm identifications displayed by the AR-HUD equipment and take corresponding driving behaviors to prevent collision.
Further, the alert identification scheme includes:
when a barrier exists in a blind area of a B column of the vehicle, the AR-HUD equipment enters a rear blind area warning mode, displays a tail schematic diagram and a warning mark of the vehicle, and the warning mark is horizontal to the tail schematic diagram of the vehicle and displays a blind area warning mark on one side of the blind area where the barrier exists;
when a blind area of the C column of the vehicle is provided with an obstacle, the AR-HUD equipment enters a rear blind area warning mode, displays a vehicle tail schematic diagram and a warning mark, and displays a blind area warning mark on one side of the blind area where the obstacle is located, wherein the warning mark is positioned below the vehicle tail schematic diagram;
when the blind area behind the vehicle is provided with an obstacle, the AR-HUD equipment enters a warning mode of the blind area behind the vehicle, displays a schematic diagram of the tail of the vehicle and a warning mark, and the warning mark is located in the middle of the lower portion of the schematic diagram of the tail of the vehicle.
Further, the method further comprises the step of enabling the AR-HUD equipment to have no blind area warning identification when the fact that no obstacle exists in each blind area of the vehicle is judged.
Compared with the prior art, the invention has the following advantages:
(1) the system acquires the running condition of the vehicle and the information around the vehicle in real time, when the blind area of the vehicle is detected to have an obstacle, the blind area warning prompt scheme is calculated by integrating the received information, and then the warning information of the blind area object is projected onto the front windshield by the AR-HUD projector, so that the virtual image is imaged in front of the vehicle, and the system can more visually and clearly assist in reminding a driver of the condition of the blind area of the vehicle.
(2) According to the method, the running condition and other peripheral information of the peripheral vehicles are acquired in real time through the vehicle sensors, when the fact that obstacles exist in the blind areas of the lateral rear sides of the vehicles is detected, the blind area warning prompt scheme is calculated through the received information comprehensively, the warning information of the objects in the blind areas of the lateral rear sides is projected onto the front windshield through the AR-HUD projector in an augmented reality display mode, and the condition of the blind areas of the lateral rear sides of the vehicles is assisted and reminded in front of the visual field of a driver. The driver accurately judges the position of the barrier according to the warning mark displayed by the AR-HUD, so that corresponding driving behaviors are adopted to prevent collision, and the driving safety is improved.
Drawings
FIG. 1 is an imaging schematic of an embodiment of the invention;
FIG. 2 is a schematic flow chart of an embodiment of the present invention;
FIG. 3 is a schematic view of a blind spot of an automobile according to an embodiment of the present invention;
FIG. 4 is a reference diagram of an AR-HUD interface state according to an embodiment of the present invention;
FIG. 5 is a reference diagram of an AR-HUD interface state two according to an embodiment of the present invention;
FIG. 6 is a reference diagram of an AR-HUD interface state according to an embodiment of the present invention;
FIG. 7 is a diagram of an AR-HUD interface state four reference view in accordance with an embodiment of the present invention;
FIG. 8 is a five reference view of an AR-HUD interface state according to an embodiment of the present invention;
FIG. 9 is a six-reference diagram of an AR-HUD interface state according to an embodiment of the present invention;
in the figure, 1 is an image generation unit, 2 is a reflector, 3 is a projector, 4 is front windshield, 5 is an AR-HUD visual virtual image, 6 is a B-column left blind area, 7 is a C-column left blind area, 8 is a rear blind area, 9 is a C-column right blind area, and 10 is a B-column right blind area.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
Examples
The utility model provides a because AR-HUD augmented reality new line shows car rear side blind spot detecting system, includes:
the detection unit is used for acquiring vehicle running conditions, including vehicle running speed information and lane change information, so as to obtain the vehicle running conditions;
the system comprises a sensing unit, a control unit and a control unit, wherein the sensing unit is used for acquiring vehicle peripheral information comprising relative position information and relative speed information of a peripheral vehicle so as to obtain the running condition of the peripheral vehicle;
the processing unit receives the vehicle running speed information, the relative position information and the relative speed information of the surrounding vehicles in real time, and calculates a blind area warning prompt scheme by integrating the received information;
and the display unit adopts an AR-HUD projector to project a blind area warning scheme onto the front windshield to assist in reminding a driver of the vehicle blind area.
As shown in fig. 1, the processing Unit includes an image Generation Unit 1 (PGU), the image Generation Unit 1 includes a light emitting diode matrix, a radiator, a printed circuit board, a TFT color display, and a light guide, the processing Unit obtains information such as a vehicle speed, a vehicle speed of a surrounding vehicle, a distance, a lane line, and the like from an onboard data bus, generates an image by the PGU, reflects the image onto a projector 3 through a mirror 2, and reflects the image onto a front windshield 4 through the projector 3, thereby generating an AR-HUD visual virtual image 5 in front of the front windshield 4, and the virtual image can be observed by human eyes at a position of a driver. The driver can continuously pay attention to the traffic condition while reading the information.
FIG. 2 is a flow chart illustrating an embodiment of the present invention;
as shown in fig. 3, the automobile has a plurality of passive blind areas, including a left B pillar blind area 6, a left C pillar blind area 7, a rear blind area 8, a right C pillar blind area 9, and a right B pillar blind area 10.
As shown in fig. 4, the blind spot detection system does not detect a blind spot obstacle, the vehicle is in a normal driving state, the AR-HUD displays the normal driving information such as the speed of the vehicle, and the like, and has no blind spot warning mark;
as shown in fig. 5, when the blind spot detection system detects that there is an obstacle in the left blind zone of the B-pillar of the vehicle, the HUD enters a rear blind zone warning mode to display a rear schematic view of the vehicle and a warning mark, the warning mark is projected and displayed at a position close to the left in the front windshield and level with the rear schematic view of the vehicle, and a driver can judge that there is an obstacle in the left blind zone of the B-pillar of the vehicle;
as shown in fig. 6, when the blind spot detection system detects that there is an obstacle in the left blind zone of the C-pillar of the vehicle, the HUD enters the rear blind zone warning mode to display the rear schematic view of the vehicle and the warning mark, the warning mark is projected and displayed in the left position of the front windshield and is located below the rear schematic view of the vehicle, and the driver can determine that there is an obstacle in the left blind zone of the C-pillar of the vehicle;
as shown in fig. 7, when the blind spot detection system detects that there is an obstacle in the rear blind area of the vehicle, the HUD enters a rear blind area warning mode to display a rear schematic view of the vehicle and a warning mark, the warning mark is projected and displayed in the middle of the front windshield and is located below the rear schematic view of the vehicle, and a driver can judge that there is an obstacle in the rear blind area of the vehicle;
referring to fig. 8, when the blind spot detection system detects that there is an obstacle in the right blind zone of the C-pillar of the vehicle, the HUD enters a rear blind zone warning mode to display a rear schematic view of the vehicle and a warning mark, the warning mark is projected and displayed at a position close to the right in the front windshield and below the rear schematic view of the vehicle, and the driver can determine that there is an obstacle in the right blind zone of the C-pillar of the vehicle;
as shown in fig. 9, when the blind spot detection system detects that there is an obstacle in the right blind zone of the B-pillar of the vehicle, the HUD enters a rear blind zone warning mode to display the rear schematic view of the vehicle and a warning mark, the warning mark is projected and displayed at a position close to the right in the front windshield and level with the rear schematic view of the vehicle, and the driver can determine that there is an obstacle in the right blind zone of the B-pillar of the vehicle;
while the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a because AR-HUD augmented reality new line shows car rear side blind spot detecting system which characterized in that, this system includes:
the detection unit is used for acquiring vehicle running conditions, including vehicle running speed information and lane change information, so as to obtain the vehicle running conditions;
the system comprises a sensing unit, a control unit and a control unit, wherein the sensing unit is used for acquiring vehicle peripheral information comprising relative position information and relative speed information of a peripheral vehicle so as to obtain the running condition of the peripheral vehicle;
the processing unit is used for receiving the vehicle running speed information, the relative position information and the relative speed information of the surrounding vehicles in real time and calculating a blind area warning prompt scheme by integrating the received information;
and the display unit adopts AR-HUD equipment and is used for projecting the blind area warning scheme onto the front windshield to assist in reminding a driver of the vehicle blind area.
2. The system according to claim 1, wherein the AR-HUD device employs an AR-HUD projector.
3. The system according to claim 1, wherein the processing unit employs a PGU image generation unit.
4. The AR-HUD augmented reality head-up display-based automobile lateral rear blind spot detection system according to claim 3, wherein the PGU image generation unit comprises a light emitting diode matrix, a heat sink, a printed circuit board, a TFT color display and a light pipe.
5. The AR-HUD augmented reality head-up display-based automobile lateral and rear blind spot detection system as claimed in claim 2, wherein the display unit adopts an AR-HUD device for projecting a blind spot warning scheme onto a front windshield through a reflector via the AR-HUD projector to assist in reminding a driver of the condition of the vehicle blind spot.
6. An anti-collision method based on the AR-HUD augmented reality head-up display-based automobile rear-side blind spot detection system according to any one of claims 1 to 5, wherein the method comprises the following steps: the detection unit, the sensing unit and the processing unit acquire real-time speed, lane lines and vehicle peripheral information of the vehicle, the display unit is used for projecting the real-time speed, the lane lines and the vehicle peripheral information to the front view of a driver, the processing unit is used for judging whether obstacles exist in each blind area of the vehicle according to the data of the sensing unit, and when the obstacles exist in each blind area of the vehicle, the AR-HUD equipment is combined to alarm identification schemes corresponding to different blind area positions, so that the driver can judge the positions of the obstacles according to the alarm identifications displayed by the AR-HUD equipment and take corresponding driving behaviors to prevent collision.
7. The anti-collision method based on the AR-HUD augmented reality head-up display automobile rear-side blind spot detection system according to claim 6, wherein the warning identification scheme comprises:
when a barrier exists in a blind area of a B column of the vehicle, the AR-HUD equipment enters a rear blind area warning mode, displays a tail schematic diagram and a warning mark of the vehicle, and the warning mark is horizontal to the tail schematic diagram of the vehicle and displays a blind area warning mark on one side of the blind area where the barrier exists;
when a blind area of the C column of the vehicle is provided with an obstacle, the AR-HUD equipment enters a rear blind area warning mode, displays a vehicle tail schematic diagram and a warning mark, and displays a blind area warning mark on one side of the blind area where the obstacle is located, wherein the warning mark is positioned below the vehicle tail schematic diagram;
when the blind area behind the vehicle is provided with an obstacle, the AR-HUD equipment enters a warning mode of the blind area behind the vehicle, displays a schematic diagram of the tail of the vehicle and a warning mark, and the warning mark is located in the middle of the lower portion of the schematic diagram of the tail of the vehicle.
8. The anti-collision method based on the AR-HUD augmented reality head-up display automobile lateral rear blind spot detection system according to claim 6, further comprising the step of enabling the AR-HUD device to have no blind area warning mark when judging that no obstacle exists in each blind area of the automobile.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911005632.6A CN110758286A (en) | 2019-10-22 | 2019-10-22 | AR-HUD (augmented reality) -based automobile side and rear blind spot detection system and method based on head-up display |
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| CN201911005632.6A CN110758286A (en) | 2019-10-22 | 2019-10-22 | AR-HUD (augmented reality) -based automobile side and rear blind spot detection system and method based on head-up display |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111301408A (en) * | 2020-02-28 | 2020-06-19 | 华域视觉科技(上海)有限公司 | Lane-changing safety lamplight auxiliary prompting system and method and vehicle |
| CN113079352A (en) * | 2021-03-23 | 2021-07-06 | 东风汽车集团股份有限公司 | Method and system for backing up display of augmented reality head-up display |
| CN113377202A (en) * | 2021-06-25 | 2021-09-10 | 杭州炽云科技有限公司 | Head-up display method and system based on ARHUD |
| CN113743526A (en) * | 2021-09-14 | 2021-12-03 | 合众新能源汽车有限公司 | Lane line fusion method and system of AR-HUD |
| CN114373335A (en) * | 2021-12-22 | 2022-04-19 | 江苏泽景汽车电子股份有限公司 | Vehicle collision early warning method and device, electronic equipment and storage medium |
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