CN110316130B - Vehicle side safety distance display system - Google Patents
Vehicle side safety distance display system Download PDFInfo
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- CN110316130B CN110316130B CN201811175812.4A CN201811175812A CN110316130B CN 110316130 B CN110316130 B CN 110316130B CN 201811175812 A CN201811175812 A CN 201811175812A CN 110316130 B CN110316130 B CN 110316130B
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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
- B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
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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
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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Abstract
The invention discloses a vehicle side safe distance display system, which comprises: the camera unit is arranged at one side of the vehicle body and used for capturing a real-time image of the rear side of the vehicle body; an image processing module connected with the camera unit for processing the real-time image, wherein a virtual distance mark is built in the image processing module, the distance mark is combined with the real-time image during image processing to form the real-time image with the virtual distance mark, and the expression mode of the distance mark can be changed according to default conditions; and a display unit, it connects the image processing module, in order to display the real-time image processed by the image processing module at least. The invention provides an auxiliary system which can eliminate blind areas and simply and intuitively master safe distance information by a driver in a low-cost and high-adaptability mode through a simple system architecture, is beneficial to easy and quick judgment during driving and is beneficial to improving driving safety.
Description
Technical Field
The invention relates to a vehicle blind area display system, in particular to a vehicle side safe distance display system which can display the safe distance of the side of a vehicle and assist a driver to easily judge the vehicle side safety.
Background
Along with the popularization of personal traffic vehicles, in cities with dense population, the traffic flow of road traffic is crowded, locomotives, battery cars or electric bicycles often shuttle in the tide of vehicles, and the distance and the position of a rider are difficult to judge from a rearview mirror for vehicle drivers due to large motor-driven change of the rider, so that traffic disturbance and trouble in driving are easily caused, and accidents are easily caused because the distance and the position of the rider are hidden in a rearview mirror view dead angle and cannot be found timely; moreover, the vehicle body structure can block most of the visual fields of the side and the rear of the driver, the visible range of the rearview mirror is limited, the driver is not favorable for judging the speed and the distance of the coming vehicle behind, misjudgment is inevitable, and the driver turns or changes the lane under the condition of insufficient safety distance, so that the coming vehicle is collided, and even accidents occur.
In recent years, vehicle-mounted image processing technology is continuously promoted, and the vehicle-mounted image processing technology is generally applied to a moving vehicle to assist a driver to observe visual dead angles which cannot be directly seen; however, in the current commercial vehicle monitoring systems, many systems use radar and ultrasonic waves on the side and the rear to display with prompt sound or digital wave bands, so that the driver can be reminded without paying attention to the coming vehicle behind, but these systems need to be equipped with components such as radar for sensing and detecting, a control box for performing complex calculation and judgment, and the like, so that the cost is high, the installation and the setting of vehicle bodies with different specifications are more difficult, and a mode which is wide and general in the industry is difficult to form.
In view of the above, it is a continuous effort of those skilled in the art to save cost and achieve the best performance.
Disclosure of Invention
The invention mainly aims to provide a vehicle side safe distance display system with a simple structure, an application mode that a driver directly knows the distance is provided through simple image processing, the driving safety and the capability of quick adaptation and response of the driver can be improved, the cost is reduced, the installation process is simple, and the customized requirement can be met.
To achieve the above objects and effects, the present invention provides a vehicle side safety distance display system comprising: the camera unit is arranged at one side of the vehicle body and used for capturing a real-time image of the rear side of the vehicle body; an image processing module connected with the camera unit for processing the real-time image, wherein a virtual distance mark is built in the image processing module, the distance mark is combined with the real-time image during image processing to form the real-time image with the virtual distance mark, and the expression mode of the distance mark can be changed according to default conditions; and a display unit, it connects the image processing module, in order to display the real-time image processed by the image processing module at least.
According to the above system architecture, the operation of the image processing module is based on the driving signal when the car body direction light is started.
According to the above system architecture, the operation of the image processing module is further based on the driving signal when the turn signal on the same side of the camera unit is started.
According to the above system architecture, the default condition that the image processing module changes the distance mark representation mode at least includes a vehicle speed condition of the vehicle body.
According to the system architecture, the image processing module is connected with a GPS unit so as to receive the vehicle speed information provided by the GPS unit and change the distance mark expression mode according to the default vehicle speed condition.
According to the above system architecture, the distance mark comprises a plurality of distance traces representing different distances.
The system architecture above wherein the changeable representation mode of the distance indicia includes at least a color change of each distance trace.
According to the above system architecture, the image processing module is further connected to an image comparison module for comparing the real-time image and providing an alarm signal, and the default condition for changing the distance mark expression mode further includes the alarm signal.
According to the above system architecture, the image comparison module is further connected to a warning unit capable of emitting warning sound or warning light according to the warning signal.
In practical application, the present invention can be directly combined with the on-board systems of various plants by a simple structure, so as to form various feasible mechanisms, such as: the camera shooting unit and the image processing module are integrated in a camera shooting device and then directly connected with a display unit of the vehicle-mounted system; or the image processing module is integrated in the display equipment of the display unit and is connected with the camera unit arranged on the vehicle body; or the image processing module is arranged in the control device by matching with the control device of the vehicle-mounted system and is respectively connected with the camera shooting unit and the display unit. The distance mark in the image processing module is used for keying in a fixed distance mark at a corresponding distance position in an image according to the proportion of a vehicle body, a preset visual angle and a real distance during installation and setting, does not need a complex calculation design, can be installed quickly at low cost, and is customized according to requirements.
By applying the invention, the side and rear images can be presented on the vehicle-mounted screen, the sight dead angle of the blind area at the side is improved, and the blind area is completely avoided, so that a driver can more conveniently confirm the environmental condition, the distance is directly and visually judged from the distance mark, and the driving safety is improved; meanwhile, the accident potential caused by lane change due to the fact that a driver does not clearly see the right rear vehicle is avoided, and the sense of fear caused by the fact that the driver cannot see the right distance condition during parking is avoided.
In addition, the invention has the following characteristics:
an appropriate visual field range can be designed according to the range of the blind area of the rearview mirror, so that the sight dead angle can be eliminated;
the display picture of the real-time image can be switched by matching with the switching signal of the right turn light of the whole vehicle, and the picture switching time is accurate, smooth and not delayed;
the auxiliary image can better control the surrounding situation of the traveling crane;
the system has simple structure and equipment, does not need to load excessive sensors and control boxes, does not need complicated calculation, interpretation and warning, and can widely meet the requirements in a convenient and low-cost mode.
In order to make the aforementioned objects, features and functions of the present invention more comprehensible, preferred embodiments accompanied with figures are described below.
Drawings
Fig. 1 is a schematic diagram of a system architecture according to an embodiment of the present invention.
FIG. 2 is a schematic top view of a vehicle body environment according to an embodiment of the present invention.
Fig. 3 to 7 are schematic diagrams of display frames when the embodiment of the invention is used.
Description of reference numerals:
10 an image pickup unit;
20 an image processing module;
30 a display unit;
40 direction light modules;
a 50 GPS unit;
60 image comparison module;
70 an alarm unit;
v, a vehicle body;
s, vehicle speed;
an L distance mark;
l1, L2, L3 are from the trajectory.
Detailed Description
Referring to fig. 1, the car side safe distance display system of the present invention basically comprises a camera unit 10, an image processing module 20 and a display unit 30, and the car side safe distance display system can be practically configured by further combining a direction light module 40, a GPS unit 50, an image comparison module 60 and a warning unit 70 according to the requirement.
Referring to fig. 2, the camera unit 10 is installed at a side of the vehicle body V, and in this embodiment, the position of the rear mirror installed at the right side (the position of the intersection of the two virtual lines) is taken as an example to capture a real-time image of a predetermined range (e.g., the range between the two virtual lines) at the rear of the vehicle body V.
An image processing module 20, which may be disposed as appropriate, such as a photographing device incorporated in the camera unit 10, or a display device incorporated in the control device or the camera unit 30 depending on the system in the vehicle body; the image processing module 20 is built with a virtual distance mark L, which is mainly connected to the camera unit 10 for receiving the real-time image and performing image processing, so that the distance mark L can be displayed in the real-time image in a virtual manner to form a real-time image with a virtual distance mark; in practice, the distance mark L is a picture element, and referring to fig. 3, the embodiment includes a plurality of distance traces L1, L2, and L3 to indicate different distances in the live image, and the image processing module 20 superimposes the distance mark L with a fixed position on the live image in an image-superimposing manner, so as to finally form the live image frame with the virtual distance mark as shown in fig. 3.
The display unit 30 is connected to the image processing module 20, and is configured to receive the real-time image processed by the image processing module 20 and display the real-time image on a display screen.
The distance trace lines L1, L2, and L3 of the distance mark L are usually determined according to the vehicle body scale, and may be provided according to the user's needs, habits, and the like; in the present embodiment, according to the vehicle body scale, the distance trajectory line L1 is a distance equivalent to 3 to 4m behind the vehicle body V, the distance trajectory line L2 is a distance equivalent to 10 to 12m behind the vehicle body V, and the distance trajectory line L3 is a distance equivalent to 20 to 24m behind the vehicle body V, when the vehicle is installed, distance lines are drawn at corresponding distances in the actual environment, and then the distance lines are entered into the image processing module 20, the entered distance trajectory lines L1, L2, and L3 can be represented as scales of the distances in the real-time image (as shown in fig. 3), and when a vehicle comes in the real-time image (as shown in fig. 6 and 7), the user can directly know the distance between the vehicle and the user through the distance trajectory lines L1, L2, and L3, and can make appropriate measures immediately.
In the present embodiment, the image processing module 20 is connected to the turn signal module 40 of the vehicle body V for receiving the driving signal when the turn signal is activated, so as to form a mode of synchronous operation with the turn signal; therefore, in use, the image processing module 20 can not process the image at ordinary times, the display unit 30 displays the real-time image without the mark, and when the driver wants to turn or change the lane to start the turn signal, the image processing module 20 receives the driving signal to operate synchronously, combines the distance mark L with the real-time image, and displays the distance mark L appropriately according to the default condition (such as the picture shown in fig. 3). In a practical embodiment, the image processing module 20 can generally synchronize the operation of the side lights of the camera unit 10.
In the embodiment, the image processing module 20 can adjust the expression mode of the distance mark L according to the vehicle speed of the vehicle body V, so that the driver can visually see the safe distance where the vehicle speed should be particularly noticed at the moment from the picture. The image processing module 20 is connected to the power system of the vehicle body V or the GPS unit 50 to obtain the vehicle speed information of the driving state of the vehicle body V, and changes the color of each of the distance traces L1, L2, and L3 in the distance mark L according to the set vehicle speed condition.
Such as those shown in fig. 3 to 5, respectively, illustrating the use scenarios at different vehicle speeds S; wherein, FIG. 3 shows the situation of low vehicle speed S (25km/hr), the image processing module 20 determines according to the vehicle speed condition that the three distance traces L1, L2, L3 are not changed (the blank space in the figure represents safe green) because the vehicle speed is low and the color change condition is not reached; FIG. 4 shows a conventional vehicle speed S (40km/hr), in which the image processing module 20 changes the color of the near distance trace line L1 (indicated by a single slope in the figure as yellow color of the warning ring) according to the vehicle speed condition, while the middle and far distance traces L2, L3 are unchanged due to the insufficient color change condition; FIG. 5 shows a situation of a higher vehicle speed S (80km/hr), in which the image processing module 20 changes the colors of the two distance traces L1, L2 according to the vehicle speed condition, and the distance trace L3 is unchanged due to the insufficient color change condition; therefore, the driver can visually know the safety distance needing special attention when the vehicle speed S is at the current speed from the color-changing distance mark L, and can perform proper treatment in real time when the driver finds that the vehicle comes within the safety distance.
Further, the vehicle-side safe distance display system of the embodiment can be additionally provided with an image comparison module 60 and a warning unit 70, the image comparison module 60 is connected with the image processing module 20, and is used for obtaining image data and comparing the image data with a real-time image, the image comparison module can compare the image in a position area corresponding to the distance mark L in the real-time image, judge whether a vehicle comes in the position area or not by comparing the image, and accordingly give a warning signal, the image processing module 20 and the warning unit 70 can respectively receive the warning signal, the image processing module 20 can further utilize the warning signal to independently judge or comprehensively judge with a vehicle speed signal as a condition for changing the color of the distance mark L, and the warning unit 70 can give a sound or light warning to a driver according to the warning signal.
Referring to fig. 6 and 7, the usage situations with different vehicle speeds S and different distances between the vehicles are shown; wherein, fig. 6 shows the situation of the conventional vehicle speed S (40km/hr), the color of the distance trace line L1 is changed with reference to the former case, and the distance trace lines L2 and L3 are not changed, when there is an approaching vehicle, the image processing module 20 can comprehensively judge the vehicle speed signal according to the comparison result of the image comparison module 60, in this case, the distance trace lines L1, L2 and L3 are not changed additionally because the approaching vehicle is not at the alert distance; fig. 7 shows the situation of a higher vehicle speed S (80km/hr), referring to the previous case that the colors of the distance traces L1 and L2 are changed, and the distance trace L3 is not changed, when the coming vehicle approaches the warning distance (the position of the distance trace L2), the image processing module 20 can comprehensively judge the vehicle speed signal according to the comparison result of the image comparison module 60, in this case, the coming vehicle is in the warning distance, so the color of the distance trace L2 at the corresponding position is further changed (dangerous red is shown by a bidirectional oblique line in the figure), and therefore, the driver can intuitively know that the safety distance between the current vehicle and the coming vehicle is insufficient from the color-changed distance mark L, and is not suitable for performing the lane change action.
Therefore, the vehicle side safe distance display system is simple in structure, convenient and fast in mounting tool and low in cost, provides a mode that a driver can simply and visually judge the distance while sweeping out the blind area, can be widely applied to various vehicle types and habits of the driver, and achieves the effect of improving driving safety. The above examples are only for illustrating the technical ideas and features of the present invention, such as the determination criteria and the variation location of the system operation, which can be determined according to practical requirements, but not limited to the embodiments, the protection scope should be determined by the claims, and all equivalent variations or modifications made according to the spirit of the present invention should be covered by the technical ideas of the present invention.
Claims (7)
1. A vehicle-side safe distance display system characterized by comprising:
the camera unit is arranged at one side of the vehicle body and used for capturing a real-time image of the rear side of the vehicle body;
an image processing module, it connects the camera unit, in order to carry on the image processing to the real-time image, wherein, the image processing module has a fictitious distance mark inside, combine the distance mark in the real-time image while carrying on the image processing, form the real-time image with fictitious distance mark, and can change the presentation mode of the distance mark according to the default condition; and the number of the first and second groups,
the display unit is connected with the image processing module and at least used for displaying the real-time image processed by the image processing module;
the distance mark comprises a plurality of distance track lines representing different distances, the distance track lines change colors according to the default condition, and the default condition comprises a vehicle speed condition; when the vehicle speed reaches the vehicle speed condition of each distance track line, the distance track line corresponding to the vehicle speed condition is changed into a first color as a warning distance by the image processing module;
the image processing module is further connected with an image comparison module, the image comparison module is used for comparing the real-time image and providing a warning signal, the default condition for changing the distance mark expression mode also comprises the warning signal, and when the image processing module judges that the coming vehicle approaches to the warning distance according to the comparison result of the image comparison module, the color of the distance track line at the corresponding position is further changed into a second color.
2. The system of claim 1, wherein the image processing module is operated according to a driving signal when the body direction indicator is activated.
3. The system of claim 2, wherein the image processing module is further configured to operate according to a driving signal when the turn signal is activated.
4. The system of claim 1, wherein the image processing module is connected to a GPS unit for providing information about the speed of the vehicle.
5. The vehicle-side safe distance display system of claim 1, wherein the first color is yellow.
6. The vehicle-side safe distance display system of claim 1, wherein the second color is red.
7. The system of claim 1, wherein the image comparison module is further connected to a warning unit capable of emitting a warning sound or a warning light according to the warning signal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW107111133A TWI668146B (en) | 2018-03-30 | 2018-03-30 | Vehicle side safety distance display system |
| TW107111133 | 2018-03-30 |
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| CN110316130A CN110316130A (en) | 2019-10-11 |
| CN110316130B true CN110316130B (en) | 2021-04-20 |
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| CN111942291A (en) * | 2020-08-13 | 2020-11-17 | 广东远峰汽车电子有限公司 | Distance indication method and system for streaming media rearview mirror |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3645196B2 (en) * | 2001-02-09 | 2005-05-11 | 松下電器産業株式会社 | Image synthesizer |
| JP2002359839A (en) * | 2001-03-29 | 2002-12-13 | Matsushita Electric Ind Co Ltd | Method and device for displaying image of rearview camera |
| AU2003263131A1 (en) * | 2002-08-09 | 2004-03-19 | Automotive Distance Control Systems Gmbh | Means of transport with a three-dimensional distance camera and method for the operation thereof |
| CN1967147B (en) * | 2005-11-09 | 2011-08-17 | 日产自动车株式会社 | Vehicular driving assist operation device and vehicle possessing same |
| JP5597596B2 (en) * | 2011-06-07 | 2014-10-01 | 株式会社小松製作所 | Work vehicle perimeter monitoring device |
| TWI468645B (en) * | 2011-11-09 | 2015-01-11 | Altek Autotronics Corp | Blind spot detection alert system |
| KR102045088B1 (en) * | 2013-08-13 | 2019-11-14 | 현대모비스 주식회사 | Image displaying Method and Apparatus therefor |
| CN104786933A (en) * | 2015-03-04 | 2015-07-22 | 江苏大学 | Panoramic image driving auxiliary device and panoramic image driving auxiliary method |
| TWI570674B (en) * | 2015-12-17 | 2017-02-11 | 合盈光電科技股份有限公司 | Image detection system of vehicle |
| TWM566163U (en) * | 2018-03-30 | 2018-09-01 | 帷享科技有限公司 | Rear safe distance display system |
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| TWI668146B (en) | 2019-08-11 |
| TW201941994A (en) | 2019-11-01 |
| CN110316130A (en) | 2019-10-11 |
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