CN111422129A - Automobile, and eliminating device and eliminating method for eliminating automobile A column blind area - Google Patents
Automobile, and eliminating device and eliminating method for eliminating automobile A column blind area Download PDFInfo
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- CN111422129A CN111422129A CN202010188609.1A CN202010188609A CN111422129A CN 111422129 A CN111422129 A CN 111422129A CN 202010188609 A CN202010188609 A CN 202010188609A CN 111422129 A CN111422129 A CN 111422129A
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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
- 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
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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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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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Abstract
The invention relates to an automobile and a device and a method for eliminating an A column blind area of the automobile, wherein the device comprises a blind area image collector, a driver face image collector, a controller, a display and a negative refractive index lens; the controller acquires an automobile steering signal, judges whether the automobile is steered or not according to the automobile steering signal, if so, sends a blind area image collected by the blind area image collector to the display, if not, identifies a facial image collected by the driver facial image collector to obtain an identification result, judges whether the driver looks at the automobile A column or not according to the identification result, and if so, sends the blind area image to the display; the negative refractive index lens is used for carrying out light refocusing on the blind area image displayed by the display and forming an air image in the air in the visual field range of the driver. The invention effectively solves the problem of the blind area of the automobile A column without changing the appearance and the structure of the automobile A column, has no light pollution, can effectively improve the safety coefficient of driving automobiles and reduce the traffic accident rate.
Description
Technical Field
The invention relates to the technical field of safe driving of automobiles, in particular to an automobile, and a device and a method for eliminating an A column blind area of the automobile.
Background
Generally, each side of an automobile body is provided with three upright posts, wherein a connecting post for connecting a roof and an engine compartment in front of the left and right of the automobile is called an A-post, and the A-post of the automobile is an indispensable part of the current mainstream frame structure. However, the existence of the A column inevitably forms a blind area in vision, so that the sight of a driver is blocked, and potential safety hazards are brought. Statistically, 20% of traffic accidents are caused by car blind areas. Therefore, the elimination of the automobile A-pillar blind area is important in the field of automobile safe driving.
The existing methods for solving the problem of the dead zone of the column A of the automobile comprise the following steps:
1. the method solves the problem of the blind area of the A column of the automobile to a certain extent, but changes the appearance and the structure of the A column, reduces the bearing capacity and the firmness of the A column, reduces the safety performance of the A column, has serious potential safety hazard when the automobile is impacted, has limited effect, and can not completely eliminate the blind area;
2. the method is characterized in that a camera is arranged outside the vehicle, an electronic display screen is embedded in the column A, and the blind area visual angle is displayed on the display screen inside the vehicle through the camera, so that the electronic display screen can stimulate eyes of a driver, light pollution can be brought to the inside of a cab, and the sight line and safe driving of the driver are influenced;
3. the small triangular windows are arranged on the left windshield and the right windshield of the vehicle, so that the visual field range is enlarged.
Therefore, the existing technology for eliminating the blind area of the A column of the automobile has negative effects of changing the structure of the A column or generating light pollution and the like, the effect of eliminating the blind area of the A column is poor, and the safety performance and safe driving of the automobile are influenced.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art, and provides an automobile, an eliminating device and an eliminating method for eliminating an automobile A column blind area, which effectively solve the problem of the automobile A column blind area on the premise of not changing the appearance and the structure of the automobile A column, have no light pollution, effectively improve the safety coefficient of driving the automobile and reduce the traffic accident rate.
The technical scheme for solving the technical problems is as follows:
a eliminating device for eliminating a blind area of an A column of an automobile comprises a blind area image collector, a driver face image collector, a controller, a display and a negative refractive index lens;
the blind area image collector is arranged outside the automobile and used for collecting a blind area image of an A column of the automobile;
the driver face image collector is arranged in the automobile and used for collecting a face image of a driver;
the controller is arranged in the automobile and used for acquiring an automobile steering signal, judging whether the automobile is steered or not according to the automobile steering signal, if so, sending the blind area image to the display, if not, identifying the face image to obtain an identification result, judging whether the driver looks at the automobile A column or not according to the identification result, if so, sending the blind area image to the display, and if not, not sending the blind area image;
the display is arranged in the automobile and used for displaying the blind area image;
the negative refractive index lens is arranged in the automobile and used for carrying out light ray refocusing on the blind area image displayed by the display and forming an air image in the air in the visual field range of the driver.
On the basis of the technical scheme, the invention also has the following improvements:
further: the blind area image comprises a first blind area image corresponding to the left A column of the automobileAnd &Or a second blind area image corresponding to the A column at the right part of the automobile;
the blind area image collector comprises a first blind area image collector arranged on the left rearview mirror and/or a second blind area image collector arranged on the right rearview mirror;
the first blind area image collector is used for collecting the first blind area image;
and/or the presence of a gas in the gas,
the second blind area image collector is used for collecting the second blind area image;
the first blind area image collector and/or the second blind area image collector are/is specifically a first camera.
Further: the facial image comprises a first facial image when the driver looks at the left A-pillar of the automobile and/or a second facial image when the driver looks at the right A-pillar of the automobile;
the driver face image collector comprises a first driver face image collector which is arranged on the left A column of the automobile and is opposite to the driver and/or a second driver face image collector which is arranged on the right A column of the automobile and is opposite to the driver;
the first driver face image collector is used for collecting the first face image;
and/or the presence of a gas in the gas,
the second driver face image collector is used for collecting the second face image;
the first driver face image collector and/or the second driver face image collector are/is specifically a second camera.
Further: the display comprises a first display arranged close to the left A column of the automobile and/or a second display arranged close to the right A column of the automobile;
the first display is used for displaying the first blind area image;
and/or the presence of a gas in the gas,
the second display is used for displaying the second blind area image;
wherein the first display and/or the second display is specifically an L CD liquid crystal display.
Further: the air image includes a first air image formed by the first blind area image and/or a second air image formed by the second blind area image;
the negative-index lens comprises a first negative-index lens arranged between the first display and the automobile left A-pillar and/or a second negative-index lens arranged between the second display and the automobile right A-pillar;
the first negative refractive index lens is used for carrying out light ray refocusing on the first blind area image displayed by the first display and forming a first air image in the air in the visual field range of the driver;
and/or the presence of a gas in the gas,
the second negative refractive index lens is used for carrying out light ray reunion on the second blind area image displayed by the second display and forming the second air image in the air in the visual field range of the driver.
Further: the first negative refractive index lens is arranged between the first display and the automobile left A column, and the first display and the automobile left A column are arranged in an axisymmetric mode by taking the first negative refractive index lens as an axis;
and/or the presence of a gas in the gas,
the second negative refractive index lens is arranged between the second display and the automobile right part A column, and the second display and the automobile right part A column are arranged in an axial symmetry mode through the second negative refractive index lens.
The invention has the beneficial effects that: the method comprises the steps that a blind area image of an A column of an automobile is collected through a blind area image collector, when the controller judges the steering of the automobile according to an obtained automobile steering signal, it is indicated that a driver needs to master the information of a blind area to ensure safe driving, so that the blind area image collected by the blind area image collector is controlled to be sent to a display, light rays of the blind area image displayed by the display are reunited through a negative refractive index lens, and a medium-free air image is formed and presented in the visual field range of the driver; when the controller judges that the automobile has no steering, the controller identifies the facial image collected by the facial image collector of the driver, judges whether the driver looks at the A column of the automobile, if so, indicates that the driver also needs to master the information of the blind area, and similarly, the controller controls the transmission of the blind area image collected by the facial image collector of the driver to the display, and performs light refocusing on the blind area image displayed by the display through the negative refractive index lens to form a dielectric-free air image which is presented in the visual field range of the driver;
compared with the traditional method for hollowing out the A column, the eliminating device for eliminating the blind area of the A column of the automobile has the advantages that the appearance and the structure of the A column are not changed, the safety performance of the A column is guaranteed, and the potential safety hazard when the automobile is impacted is avoided; compared with the traditional method for installing the electronic display screen on the column A, the air imaging of the blind area image is realized based on the imaging principle of the negative refractive index lens, the air imaging is visible to the angle of a driver, the light is soft and does not dazzle, the air imaging is automatically formed when needed, the air imaging is automatically formed when not needed, and the air imaging disappears automatically when not needed, so that the method has the advantage of no pollution; compared with the traditional method of arranging the small triangular windows on the left front side window and the right front side window, the method has better effect of solving the problem of the A column blind area, effectively improves the safety coefficient of driving automobiles, and greatly reduces the traffic accident rate.
According to another aspect of the present invention, there is also provided an elimination method for eliminating a vehicle a-pillar blind area, applied to the elimination apparatus for eliminating a vehicle a-pillar blind area of the present invention, comprising the steps of:
step 1: acquiring a blind area image of an A column of the automobile and acquiring an automobile steering signal;
step 2: judging whether the automobile turns according to the automobile turning signal, if so, displaying the blind area image and executing the step 3; if not, acquiring a facial image of the driver, identifying the facial image to obtain an identification result, judging whether the driver looks at the A column of the automobile according to the identification result, if so, displaying the blind area image and executing the step 3, and if not, not displaying the blind area image;
and step 3: and (4) carrying out light ray refocusing on the blind area image, forming an air image in the air in the visual field range of the driver, and finishing the elimination of the automobile A column blind area.
On the basis of the technical scheme, the invention also has the following improvements:
further: in the step 2, the specific step of obtaining the identification result includes:
preprocessing the face image to obtain a face processing image;
extracting facial features of the facial processing image to obtain a plurality of facial features;
and matching all the facial features with a preset feature database to obtain the identification result.
The invention has the beneficial effects that: according to the method for eliminating the blind area of the automobile A column, on one hand, the safety performance of the A column is ensured on the premise that the appearance and the structure of the automobile A column are not changed, and the potential safety hazard when an automobile is impacted is avoided; on the other hand, based on the imaging principle of the negative refractive index lens, the air imaging of the blind area image is realized, the air imaging is visible to the angle of a driver, the light is soft and not dazzling, the air imaging is automatically formed when needed, the air imaging disappears automatically when not needed, the pollution-free air imaging system has the advantage of better effect of solving the problem of the A column blind area, the safety coefficient of driving automobiles is effectively improved, and the traffic accident rate is greatly reduced.
According to another aspect of the present invention, there is also provided an automobile comprising at least one of the eliminating devices for eliminating a blind area of an a-pillar of an automobile of the present invention, and further comprising an automobile body, an a-pillar of an automobile, a front windshield, a left rearview mirror and a right rearview mirror.
On the basis of the technical scheme, the invention also has the following improvements:
further: the device comprises two eliminating devices for eliminating the blind area of the automobile A column, and the two eliminating devices for eliminating the blind area of the automobile A column are symmetrically arranged.
The invention has the beneficial effects that: on one hand, the automobile of the invention can ensure the safety performance of the A column and avoid the potential safety hazard when the automobile is impacted on the premise of not changing the appearance and the structure of the A column of the automobile; on the other hand is based on the imaging principle of negative refractive index lens, has realized the air formation of image of blind area, and this air formation of image is visible to driver's angle and light is soft not dazzling, and forms the air formation of image automatically when needs, disappears automatically when not needing, has pollution-free advantage, and the effect of solving A post blind area problem is better, has effectively improved driving car factor of safety, the traffic accident rate that has significantly reduced, and the security performance of car is better, is fit for generally promoting.
Drawings
Fig. 1 is a schematic structural diagram of an eliminating device for eliminating a blind area of an a pillar of an automobile according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an aerial image of a negative-index lens according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a device for eliminating the switching of operating modes according to a first embodiment of the present invention;
FIG. 4 is a schematic flow chart illustrating a method for eliminating a blind area of an A pillar of an automobile according to a second embodiment of the present invention;
fig. 5 is a schematic flow chart illustrating a process of recognizing a face image according to a second embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the blind area image collector comprises a blind area image collector 2, a driver face image collector 3, a controller 4, a display 5, a negative refractive index lens 10, a vehicle body 20, a vehicle A column 30, a front windshield 40, a left rearview mirror 50 and a right rearview mirror.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
The present invention will be described with reference to the accompanying drawings.
In a first embodiment, as shown in fig. 1, an eliminating device for eliminating a blind area of an a-pillar of an automobile comprises a blind area image collector 1, a driver face image collector 2, a controller 3, a display 4 and a negative refractive index lens 5;
the blind area image collector 1 is arranged outside the automobile and used for collecting a blind area image of an A column of the automobile;
the driver face image collector 2 is arranged in the automobile and used for collecting the face image of the driver;
the controller 3 is arranged in the automobile and used for acquiring an automobile steering signal, judging whether the automobile is steered or not according to the automobile steering signal, if so, sending the blind area image to the display 4, if not, identifying the face image to obtain an identification result, judging whether the driver looks at the automobile A column or not according to the identification result, if so, sending the blind area image to the display 4, and if not, not sending the blind area image;
the display 4 is arranged in the automobile and used for displaying the blind area image;
the negative refractive index lens 5 is arranged in the automobile and used for carrying out light refocusing on the blind area image displayed by the display 4 and forming an air image in the air in the visual field range of the driver.
Preferably, the blind area image comprises a first blind area image corresponding to a left A column of the automobile and/or a second blind area image corresponding to a right A column of the automobile;
as shown in fig. 1, the blind area image collector 1 includes a first blind area image collector disposed on the left rear-view mirror and/or a second blind area image collector disposed on the right rear-view mirror;
the first blind area image collector is used for collecting the first blind area image;
and/or the presence of a gas in the gas,
the second blind area image collector is used for collecting the second blind area image;
specifically, the first blind area image collector and/or the second blind area image collector are cameras.
The automobile comprises two A columns, namely an automobile left A column and an automobile right A column, wherein a column between the front windshield and the left front door is the automobile left A column, and a column between the front windshield and the right front door is the automobile right A column; the two A columns have corresponding blind areas, so that when the first blind area image collector is arranged on the left rearview mirror, a first blind area image corresponding to the left A column of the automobile can be collected conveniently, when the second blind area image collector is arranged on the right rearview mirror, a second blind area image corresponding to the right A column of the automobile can be collected conveniently, the arrangement of the first blind area image collector and/or the second blind area image collector can facilitate effective collection of the blind area images of the A columns, and further facilitates subsequent transmission of the collected blind area images of the A columns to a display for display.
It should be noted that, in this embodiment, it is a preferable example that the first blind area image collector is disposed on the left rearview mirror and/or the second blind area image collector is disposed on the right rearview mirror, and in an actual situation, the first blind area image collector may also be disposed at other positions where the blind area images can be collected, which are within the protection scope of the present invention and are not listed here.
Specifically, this embodiment installs first blind area image collector in the below of left-hand mirror, installs second blind area image collector in the below of right-hand mirror, can guarantee to gather first blind area image and second blind area image simultaneously.
Preferably, the facial image comprises a first facial image when the driver looks at the left a-pillar of the car and/or a second facial image when looking at the right a-pillar of the car;
as shown in fig. 1, the driver face image collector 2 includes a first driver face image collector arranged on the left a-pillar of the automobile and opposite to the driver and/or a first driver face image collector arranged on the right a-pillar of the automobile and opposite to the driver;
the first driver face image collector is used for collecting the first face image;
and/or the presence of a gas in the gas,
the second driver face image collector is used for collecting the second face image;
the first driver face image collector and/or the second driver face image collector are/is a camera.
Similarly, because there are two a pillars, when the driver is driving, the driver may look at the a pillar at the left part of the automobile or the a pillar at the right part of the automobile, so that in order to ensure safe driving, the driver needs to know the first blind area image or the second blind area image; when a driver looks at the left A column of the automobile, the first driver face image collector can collect a corresponding first face image, so that a subsequent controller can judge whether the driver needs to obtain a first blind area image or not according to the first face image conveniently; the arrangement of the first driver facial image collector and/or the second driver facial image collector can conveniently and effectively collect the facial images of the driver, and further whether the blind area images are displayed or not is judged conveniently according to the facial images.
It should be noted that, in this embodiment, it is a preferable example that the first driver face image collector is disposed on the left a pillar of the automobile and/or the second driver face image collector is disposed on the right a pillar of the automobile, and in practical situations, it may also be disposed at other positions where the face image can be collected, which are within the protection scope of the present invention.
Specifically, in the embodiment, the first driver face image collector is installed on the left a column of the automobile at a position opposite to the driver, and the second driver face image collector is installed on the right a column of the automobile at a position opposite to the driver, so that the specific height can be consistent with the height of the sight line when the driver looks straight ahead, and the first face image and/or the second face image can be better collected.
Preferably, as shown in fig. 1, the display 4 includes a first display disposed near the left a-pillar of the automobile and/or a second display disposed near the right a-pillar of the automobile;
the first display is used for displaying the first blind area image;
and/or the presence of a gas in the gas,
the second display is used for displaying the second blind area image;
wherein the first display and/or the second display is specifically an L CD liquid crystal display.
When the first display is arranged close to the left A column of the automobile and/or the second display is arranged close to the right A column of the automobile, light rays of blind area images displayed by the display can be conveniently and subsequently smoothly transmitted to the negative-refractive-index lens, and then the air images are conveniently formed and displayed in the sight range of a driver based on the imaging principle of the negative-refractive-index lens.
Specifically, the present embodiment provides two L CD lcds, one is installed near the left a pillar of the car (i.e. the first display), and the other is installed near the right a pillar of the car (i.e. the second display), and both are installed inside the console to form a hidden display, so as to prevent the light of the display from causing light pollution to the driver.
Preferably, the air image includes a first air image formed by the first blind area image and/or a second air image formed by the second blind area image;
as shown in fig. 1, the negative-index lens 5 includes a first negative-index lens disposed between the first display and the left a-pillar of the vehicle and/or a second negative-index lens disposed between the second display and the right a-pillar of the vehicle;
the first negative refractive index lens is used for carrying out light ray refocusing on the first blind area image displayed by the first display and forming a first air image in the air in the visual field range of the driver;
and/or the presence of a gas in the gas,
the second negative refractive index lens is used for carrying out light ray reunion on the second blind area image displayed by the second display and forming the second air image in the air in the visual field range of the driver.
The imaging principle of the negative refractive index lens is as follows: when light enters an interface of a negative refraction medium from a conventional positive refraction medium, a negative refraction phenomenon occurs in which the refracted light and the incident light are positioned on the same side of the normal of the interface, as shown in fig. 2; therefore, the real image and the imaging are necessarily axisymmetric with respect to the negative-index lens, i.e., the negative-index lens is between the first liquid crystal display and the left a-pillar of the vehicle and/or between the second liquid crystal display and the right a-pillar of the vehicle. When a driver looks at the A column, such as the left A column of the automobile, in the actual driving process, the air image formed by the first blind area image displayed by the first display is displayed near the left A column of the automobile, so that the driver can directly and intuitively check the first blind area image of the left A column of the automobile conveniently without extra actions of looking at a center console with a head down and the like, and the device is more practical; the same applies when the driver is looking at the right a-pillar of the car, and is not described here in detail.
Preferably, the first negative refractive index lens is disposed between the first display and the left a pillar of the automobile, and the first display and the left a pillar of the automobile are disposed axisymmetrically with the first negative refractive index lens;
alternatively, the first and second electrodes may be,
the second negative refractive index lens is arranged between the second display and the automobile right part A column, and the second display and the automobile right part A column are arranged in an axial symmetry mode through the second negative refractive index lens.
The real image and the imaging are always axially symmetrical by taking the negative-refractive-index lens as an axis, so that the imaging positions of the display and the air image are always axially symmetrical by taking the negative-refractive-index lens as an axis, and when a driver looks at the A column, such as the left A column of the automobile, the air image is directly imaged on the A column of the automobile, so that the air image can be more visually and conveniently displayed for the driver, the driver can be helped to check the first blind area image more quickly, and the safe driving of the driver is facilitated; the same applies when the driver is looking at the right a-pillar of the car, and is not described here in detail.
Specifically, two negative refractive index lenses are provided in this embodiment, one of the negative refractive index lenses is flatly disposed at the left side of the console (i.e., a first negative refractive index lens) and the other is flatly disposed at the right side of the console (i.e., a second negative refractive index lens) and is close to the left a pillar of the automobile, and by adjusting the position and the angle of the left display (i.e., a first display) inside the console, the left display and the left a pillar of the automobile form axial symmetry, and by adjusting the position and the angle of the right display (i.e., a second display) inside the console, the right display and the right a pillar of the automobile form axial symmetry, as shown in fig. 1.
Specifically, in this embodiment, the controller shown in fig. 1 is built in the center console, and includes an image processor and a display processor, where the image processor is used to process a facial image collected by the driver facial image collector, and provide a decision basis for the display processor; the display processor is used for controlling the display of the blind area image by the display of the display.
It should be noted that, in the field of automobiles, when a driver drives an automobile, there are various ways for the controller to obtain an automobile steering signal, for example, the controller may obtain the automobile steering signal by the driver operating an automobile steering lamp, when the driver presses a steering lamp switch, the controller may receive the signal and determine that the automobile is steering, and if the driver does not press the automobile steering lamp, the controller does not receive the automobile steering signal, it determines that the automobile is not steering; for another example, a sensor built in the steering wheel of the automobile can be used for detecting the angle of the steering wheel rotated by the driver as an automobile steering signal, the automobile steering signal is transmitted to the controller, and by setting an angle threshold value, when the angle detected by the built-in sensor exceeds the angle threshold value, the controller judges that the automobile is steered, otherwise, no steering is judged. The angle of the steering wheel of the driver, which is detected by the driver operating the automobile steering lamp and the built-in sensor, is the prior art in the automobile field, and is not described herein again.
Specifically, the eliminating device for eliminating the blind area of the a pillar of the automobile in the embodiment includes two working modes, one is a blind area display mode, and the other is a standby mode, and the two working modes can be automatically switched, as shown in fig. 3; the specific process is described as follows:
if the current mode is a standby mode, when the controller judges that the current state of the automobile is steering by judging an automobile steering signal, the controller controls the display to display a blind area image, the standby mode is switched to the blind area display mode, and meanwhile, the negative refractive index lens forms an air image; on the other hand, when the controller judges that the current state of the automobile is non-steering by judging the automobile steering signal, the controller processes and identifies the face image, and the identification result is that the driver looks at the A column, the controller controls the display to display the blind area image, the standby mode is switched to the blind area display mode, and meanwhile the negative refractive index lens forms an air image;
if the current mode is a blind area display mode, when the controller does not judge that the automobile is turned or judge that the driver looks at the A column, the controller controls the display to stand by, the blind area image is not displayed, the blind area display mode is switched to the standby mode, and the air image automatically disappears.
Compared with the traditional method for hollowing out the A column, the eliminating device for eliminating the blind area of the A column of the automobile has the advantages that the appearance and the structure of the A column are not changed, the safety performance of the A column is guaranteed, and potential safety hazards when the automobile is impacted are avoided; compared with the traditional method for installing the electronic display screen on the column A, the air imaging of the blind area image is realized based on the imaging principle of the negative refractive index lens, the air imaging is visible to the angle of a driver, the light is soft and does not dazzle, the air imaging is automatically formed when needed, the air imaging is automatically formed when not needed, and the air imaging disappears automatically when not needed, so that the method has the advantage of no pollution; compared with the traditional method of arranging the small triangular windows on the left front side window and the right front side window, the method has better effect of solving the problem of the A column blind area, effectively improves the safety coefficient of driving automobiles, and greatly reduces the traffic accident rate.
In a second embodiment, as shown in fig. 4, a method for eliminating a blind area of an a-pillar of an automobile is applied to an eliminating device for eliminating a blind area of an a-pillar of an automobile in the first embodiment, and includes the following steps:
s1: acquiring a blind area image of an A column of the automobile and acquiring an automobile steering signal;
s2: judging whether the automobile turns according to the automobile turning signal, if so, displaying the blind area image and executing S3; if not, acquiring a facial image of the driver, identifying the facial image to obtain an identification result, judging whether the driver looks at the A pillar of the automobile according to the identification result, if so, displaying the blind area image and executing S3, and if not, not displaying the blind area image;
s3: and (4) carrying out light ray refocusing on the blind area image, forming an air image in the air in the visual field range of the driver, and finishing the elimination of the automobile A column blind area.
Preferably, in S2, the specific step of obtaining the recognition result includes:
preprocessing the face image to obtain a face processing image;
extracting facial features of the facial processing image to obtain a plurality of facial features;
and matching all the facial features with a preset feature database to obtain the identification result.
The accuracy of feature extraction is improved conveniently by preprocessing the facial image, and the facial features are extracted to be matched with a feature database conveniently, so that whether a driver is looking at the column A or not is judged, the subsequent display of a blind area image and aerial imaging are facilitated, and the safety factor is improved; the feature database is preset, can be constructed in advance by utilizing big data, and can be directly utilized by the embodiment.
Specifically, the flow chart of the present embodiment for recognizing a facial image is shown in fig. 5, wherein the preprocessing includes, but is not limited to, ray compensation, gray scale transformation, histogram equalization, normalization, geometric correction, filtering, and sharpening; facial features include, but are not limited to, visual features, pixel statistics, and image transform coefficient features; and searching and matching the extracted facial features with a preset feature database, and judging that the driver looks at the A pillar by setting a threshold value when the similarity exceeds the threshold value.
On one hand, the method for eliminating the blind area of the automobile A column can ensure the safety performance of the A column and avoid the potential safety hazard when the automobile is impacted on the premise of not changing the appearance and the structure of the automobile A column; on the other hand, based on the imaging principle of the negative refractive index lens, the air imaging of the blind area image is realized, the air imaging is visible to the angle of a driver, the light is soft and not dazzling, the air imaging is automatically formed when needed, the air imaging disappears automatically when not needed, the pollution-free air imaging system has the advantage of better effect of solving the problem of the A column blind area, the safety coefficient of driving automobiles is effectively improved, and the traffic accident rate is greatly reduced.
Third embodiment, as shown in fig. 1, an automobile comprises the eliminating device for eliminating the blind area of the automobile a-pillar in the first embodiment, and further comprises an automobile body 10, an automobile a-pillar 20, a front windshield 30, a left rearview mirror 40 and a right rearview mirror 50.
Preferably, as shown in fig. 1, two removing devices for removing the vehicle a-pillar blind area are included, and the two removing devices for removing the vehicle a-pillar blind area are symmetrically arranged.
Because the car includes two A posts, two remove device that are used for eliminating car A post blind area that set up through the symmetry make things convenient for two remove device to eliminate the car A post blind area that corresponds respectively more, mutual noninterference to thoroughly solve A post blind area problem, improve driving car factor of safety greatly, guarantee car safe driving.
On one hand, the automobile of the embodiment can ensure the safety performance of the A column and avoid the potential safety hazard when the automobile is impacted on the premise of not changing the appearance and the structure of the A column of the automobile; on the other hand, based on the imaging principle of the negative refractive index lens, the air imaging of the blind area image is realized, the air imaging is visible to the angle of a driver, the light is soft and not dazzling, the air imaging is automatically formed when needed, the air imaging is automatically disappeared when not needed, the pollution-free air imaging system has the advantages of being pollution-free, the effect of solving the problem of the blind area of the column A is better, the safety factor of driving automobiles is effectively improved, the traffic accident rate is greatly reduced, the safety performance of the automobiles is better, and the air imaging system
Specifically, in the present embodiment, two cancellation devices, with the vehicle body as a symmetry center, are disposed one on the left half of the vehicle body and the other on the right half of the vehicle body.
It should be noted that the automobile in this embodiment further includes other functional mechanisms, and the other functional mechanisms are used to implement other various corresponding functions, and are not described herein again.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A eliminating device for eliminating a blind area of an A column of an automobile is characterized by comprising a blind area image collector (1), a driver face image collector (2), a controller (3), a display (4) and a negative refractive index lens (5);
the blind area image collector (1) is arranged outside the automobile and used for collecting a blind area image of an A column of the automobile;
the driver face image collector (2) is arranged in the automobile and used for collecting the face image of the driver;
the controller (3) is arranged in the automobile and used for acquiring an automobile steering signal, judging whether the automobile is steered or not according to the automobile steering signal, if so, sending the blind area image to the display (4), if not, identifying the face image to obtain an identification result, judging whether the driver looks at the automobile A column or not according to the identification result, if so, sending the blind area image to the display (4), and if not, not sending the blind area image;
the display (4) is arranged in the automobile and used for displaying the blind area image;
the negative refractive index lens (5) is arranged in the automobile and used for carrying out light ray refocusing on the blind area image displayed by the display (4) and forming an air image in the air in the visual field range of the driver.
2. The elimination device for eliminating an automobile A-pillar blind area according to claim 1, characterized in that the blind area image includes a first blind area image corresponding to an automobile left A-pillar and/or a second blind area image corresponding to an automobile right A-pillar;
the blind area image collector (1) comprises a first blind area image collector arranged on the left rearview mirror and/or a second blind area image collector arranged on the right rearview mirror;
the first blind area image collector is used for collecting the first blind area image;
and/or the presence of a gas in the gas,
the second blind area image collector is used for collecting the second blind area image;
the first blind area image collector and/or the second blind area image collector are/is a camera.
3. The elimination device for eliminating an automobile a-pillar blind area according to claim 2, characterized in that the facial image includes a first facial image when the driver looks at the automobile left a-pillar and/or a second facial image when looking at the automobile right a-pillar;
the driver face image collector (2) comprises a first driver face image collector which is arranged on the left A column of the automobile and is opposite to the driver and/or a second driver face image collector which is arranged on the right A column of the automobile and is opposite to the driver;
the first driver face image collector is used for collecting the first face image;
and/or the presence of a gas in the gas,
the second driver face image collector is used for collecting the second face image;
the first driver face image collector and/or the second driver face image collector are/is a camera.
4. The elimination device for eliminating blind areas of a pillar of an automobile as set forth in claim 2, characterized in that the display (4) comprises a first display disposed near the left a pillar of the automobile and/or a second display disposed near the right a pillar of the automobile;
the first display is used for displaying the first blind area image;
and/or the presence of a gas in the gas,
the second display is used for displaying the second blind area image;
the first display and/or the second display are/is specifically L CD liquid crystal displays.
5. The elimination device for eliminating an automotive a-pillar blind area according to claim 4, characterized in that the air image includes a first air image formed by the first blind area image and/or a second air image formed by the second blind area image;
the negative-index lens (5) comprises a first negative-index lens arranged between the first display and the automobile left A-pillar and/or a second negative-index lens arranged between the second display and the automobile right A-pillar;
the first negative refractive index lens is used for carrying out light ray refocusing on the first blind area image displayed by the first display and forming a first air image in the air in the visual field range of the driver;
and/or the presence of a gas in the gas,
the second negative refractive index lens is used for carrying out light ray reunion on the second blind area image displayed by the second display and forming the second air image in the air in the visual field range of the driver.
6. The elimination device of claim 5, wherein the first negative index lens is disposed between the first display and the left automobile A-pillar, and the first display and the left automobile A-pillar are disposed axisymmetrically with respect to the first negative index lens;
and/or the presence of a gas in the gas,
the second negative refractive index lens is arranged between the second display and the automobile right part A column, and the second display and the automobile right part A column are arranged in an axial symmetry mode through the second negative refractive index lens.
7. An elimination method for eliminating a blind area of an automobile a-pillar, which is applied to the elimination apparatus for eliminating a blind area of an automobile a-pillar according to any one of claims 1 to 6, comprising the steps of:
step 1: acquiring a blind area image of an A column of the automobile and acquiring an automobile steering signal;
step 2: judging whether the automobile turns according to the automobile turning signal, if so, displaying the blind area image and executing the step 3; if not, acquiring a facial image of the driver, identifying the facial image to obtain an identification result, judging whether the driver looks at the A column of the automobile according to the identification result, if so, displaying the blind area image and executing the step 3, and if not, not displaying the blind area image;
and step 3: and (4) carrying out light ray refocusing on the blind area image, forming an air image in the air in the visual field range of the driver, and finishing the elimination of the automobile A column blind area.
8. The elimination method for eliminating the blind area of the A-pillar of the automobile according to claim 7, wherein in the step 2, the specific step of obtaining the recognition result comprises:
preprocessing the face image to obtain a face processing image;
extracting facial features of the facial processing image to obtain a plurality of facial features;
and matching all the facial features with a preset feature database to obtain the identification result.
9. An automobile, characterized by comprising at least one elimination apparatus for eliminating an automobile a-pillar blind area according to any one of claims 1 to 6, further comprising a vehicle body (10), an automobile a-pillar (20), a front windshield (30), a left rearview mirror (40), and a right rearview mirror (50).
10. The vehicle of claim 9, comprising two means for eliminating a vehicle a-pillar blind zone, wherein the two means for eliminating a vehicle a-pillar blind zone are symmetrically disposed.
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| CN202010188609.1A CN111422129A (en) | 2020-03-17 | 2020-03-17 | Automobile, and eliminating device and eliminating method for eliminating automobile A column blind area |
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| CN202010188609.1A CN111422129A (en) | 2020-03-17 | 2020-03-17 | Automobile, and eliminating device and eliminating method for eliminating automobile A column blind area |
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