CN105224272B - image display method and automobile display device - Google Patents
image display method and automobile display device Download PDFInfo
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- CN105224272B CN105224272B CN201510616664.5A CN201510616664A CN105224272B CN 105224272 B CN105224272 B CN 105224272B CN 201510616664 A CN201510616664 A CN 201510616664A CN 105224272 B CN105224272 B CN 105224272B
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Abstract
The embodiment of the invention relates to the technical field of automobile safety, and discloses an image display method and an automobile display device. The method comprises the following steps of: the automobile display device can acquire the brightness value of the current environment of the automobile and judge whether the brightness value is smaller than a preset threshold value, if so, the automobile display device starts a night driving mode, acquires an infrared image in a preset distance range in front of the automobile in the night driving mode, and finally displays the infrared image on the touch display screen. By the embodiment of the invention, the automobile display device can acquire the infrared image in front of the automobile at night and display the infrared image on the touch display screen of the front window of the automobile, so that a driver can be assisted to make correct judgment on the front condition of the automobile during driving at night, and the safety of automobile driving is improved.
Description
Technical Field
The invention relates to the technical field of automobile safety, in particular to an image display method and an automobile display device.
Background
At present, automobiles have entered more and more families and become the most important transportation means for people to go out. As the number of automobiles increases, traffic accidents caused by the automobiles are increased, and thus, driving safety has become an issue of increasing concern. Particularly, when driving at night, the driver may not see the obstacle in front of the vehicle clearly due to weak light of the external environment, thereby causing a traffic accident. Therefore, how to improve the safety of automobile driving becomes an urgent problem to be solved.
Disclosure of Invention
The embodiment of the invention discloses an image display method and an automobile display device, which can improve the safety of automobile driving.
The embodiment of the invention discloses an image display method, which is applied to an intelligent vehicle-mounted system of an automobile, wherein a front window of the automobile is a touch display screen, and the method comprises the following steps:
Acquiring the brightness value of the current environment of the automobile;
judging whether the brightness value is smaller than a preset threshold value or not;
If so, starting a night driving mode, and acquiring an infrared image in a preset distance range in front of the automobile in the night driving mode;
and displaying the infrared image on the touch display screen.
Correspondingly, the embodiment of the invention discloses an automobile display device, which is applied to an automobile intelligent vehicle-mounted system, wherein a front window of an automobile is a touch display screen, and the device comprises:
The first acquisition unit is used for acquiring the brightness value of the current environment of the automobile;
The judging unit is used for judging whether the brightness value is smaller than a preset threshold value or not;
The second acquisition unit is used for starting a night driving mode when the judgment unit judges that the brightness value is smaller than a preset threshold value, and acquiring an infrared image in a preset distance range in front of the automobile in the night driving mode;
And the display unit is used for displaying the infrared image on the touch display screen.
the embodiment of the invention has the following beneficial effects:
In the embodiment of the invention, the front window of the automobile is a touch display screen, the automobile display device can acquire the brightness value of the current environment of the automobile and judge whether the brightness value is smaller than a preset threshold value, if so, the automobile display device starts a night driving mode, acquires an infrared image in a preset distance range in front of the automobile in the night driving mode, and finally displays the infrared image on the touch display screen. By the embodiment of the invention, the automobile display device can acquire the infrared image in front of the automobile at night and display the infrared image on the touch display screen of the front window of the automobile, so that a driver can be assisted to make correct judgment on the front condition of the automobile during driving at night, and the safety of automobile driving is improved.
drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a flow chart of an image display method according to an embodiment of the present invention;
FIG. 2 is a flow chart of another image display method disclosed in the embodiment of the present invention;
FIG. 3 is a flow chart illustrating a further image display method according to an embodiment of the present invention;
Fig. 4 is a schematic display diagram of a touch display screen according to an embodiment of the disclosure;
FIG. 5 is a schematic structural diagram of an automotive display device according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of another display device for a vehicle according to an embodiment of the present invention;
Fig. 7 is a schematic structural diagram of another display device for a vehicle according to an embodiment of the present invention.
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses an image display method and an automobile display device, which can improve the safety of automobile driving. The following are detailed below.
referring to fig. 1, fig. 1 is a schematic flow chart of an image display method according to an embodiment of the present invention. The method shown in fig. 1 can be applied to an intelligent vehicle-mounted system of an automobile. As shown in fig. 1, the image display method may include the steps of:
S101, the automobile display device obtains the brightness value of the current environment of the automobile.
In the embodiment of the invention, the automobile display device is part of an intelligent vehicle-mounted system of an automobile. The display screen of the automobile display device is the whole front window of an automobile, and the display screen can be a transparent touch display screen or a non-transparent touch display screen. The user can observe the road condition in front of the automobile through the touch display screen, can view the road condition information shot by the automobile data recorder or the infrared camera on the touch display screen, can view the navigation route information of the automobile navigator, and can also view videos and the like on the touch display screen during rest, and the embodiment of the invention is not limited.
therefore, when the intelligent vehicle-mounted system of the automobile detects that the user gets on the automobile, the automobile display device can detect the brightness value of the current environment of the automobile in real time through the brightness sensor, and therefore whether the current environment is the environment with weak light or the environment with sufficient light is judged according to the brightness value of the current environment.
It should be noted that the environment with weak light mainly refers to evening and night, but if the car enters the tunnel in the daytime, the brightness value may be low, so that the environment with weak light may also be referred to as the environment with weak light; the bright environment mainly refers to the daytime, but if the automobile runs on a road section with a lot of street lamps at night, the brightness value of the automobile may be higher, so that the automobile can also be called an environment with sufficient light, and the embodiment of the invention is not limited.
S102, judging whether the brightness value is smaller than a preset threshold value by the automobile display device, if so, executing a step S103; if not, the flow is ended.
In the embodiment of the present invention, when the automobile display device obtains the brightness value of the current environment of the automobile, the automobile display device may determine whether the brightness value of the automobile is smaller than a preset threshold, where the preset threshold may be set by the automobile display device according to the difference between the brightness values at daytime and at night under normal conditions, or may be set by the user according to the eyesight conditions of the user under different brightnesses, and the embodiment of the present invention is not limited.
therefore, when the brightness value is judged to be smaller than the preset threshold value, the fact that the user is likely to drive in a dark environment is indicated, the vision condition of the user is likely to be affected, and the automobile display device can start a night driving mode; when the brightness value is judged to be larger than or equal to the preset threshold value, the user is indicated to drive in a brighter environment, and the accuracy of vision judgment of the user during driving is not greatly influenced by the current environment, so that the automobile display device can possibly start the user experience mode.
Further, if the automobile display device is in the night driving mode before the brightness value is acquired, the automobile display device can convert the night driving mode into the user experience mode when the brightness value is judged to be greater than or equal to the preset threshold value; if the automobile display device is in the user experience mode before the brightness value is acquired, when the brightness value of the automobile display device is judged to be larger than or equal to the preset threshold value, the automobile display device does not respond, and the current user experience mode is continuously used.
When the automobile display device is in the user experience mode, the transparency of the touch display screen is higher, so that a user can see the road condition in front of the automobile directly through the touch display screen conveniently.
S103, starting a night driving mode by the automobile display device, and acquiring an infrared image in a preset distance range in front of the automobile in the night driving mode.
in the embodiment of the invention, in a night driving mode, the automobile display device can use the infrared camera to collect the road condition in the preset distance range in front of the automobile, and the road condition in front of the automobile can be accurately reflected through the infrared image collected by the infrared camera, so that the condition that the road condition in front is not clearly seen by a user due to weak light can be avoided, or the condition that the light of the automobile in a reverse situation influences the sight of the user can be avoided, and the safety of automobile driving is improved.
Specifically, when the automobile display device determines that the brightness value of the current environment of the automobile is smaller than the preset threshold value, it indicates that the automobile may be in a dark environment currently, and when the user drives under the environment, if the user only looks over the road condition in front through human eyes, the accuracy of the determination may not be high due to the fact that the light is dark and the specific situation of the road in front cannot be seen clearly. Therefore, the automobile display device can start a night driving mode, and in the night driving mode, the automobile display device can use the infrared camera to acquire the infrared image within the preset distance range in front of the automobile in real time in the driving process of the automobile.
The preset distance range may be a maximum shooting angle range of the infrared camera and a farthest shooting distance of the infrared camera, or may be set by the vehicle display device according to a maximum angle range and a line-of-sight distance that a user needs to pay attention to when the vehicle is running, which is not limited in the embodiments of the present invention.
In the embodiment of the invention, the infrared camera can shoot the image which can not be seen by eyes, so that when the current environment of the automobile is dark, the mode of judging the road condition by a user is assisted by shooting the infrared image, and the safety during driving at night can be enhanced.
It should be noted that, the user may also manually start or close the night driving mode according to the actual situation, and the embodiment of the present invention is not limited.
And S104, displaying the infrared image on the touch display screen by the automobile display device, and ending the process.
In the embodiment of the invention, when the infrared image within the preset distance range in front of the automobile is acquired, the automobile display device can display the acquired infrared image on the touch display screen in real time. The infrared image may be displayed on the entire touch display screen, or may be displayed on a preset area of the touch display screen.
Specifically, the position and the area size of the preset region may be set by the user according to the visual habit of the user, or may be default for the vehicle display device system, which is not limited in the embodiment of the present invention.
it can be seen that, in the method described in fig. 1, the front window of the automobile is a touch display screen, the automobile display device can obtain the brightness value of the current environment of the automobile and determine whether the brightness value is smaller than a preset threshold, if so, the automobile display device starts a night driving mode, obtains an infrared image in a preset distance range in front of the automobile in the night driving mode, and finally displays the infrared image on the touch display screen. By the embodiment of the invention, the automobile display device can acquire the infrared image in front of the automobile at night and display the infrared image on the touch display screen of the front window of the automobile, so that a driver can be assisted to make correct judgment on the front condition of the automobile during driving at night, and the safety of automobile driving is improved.
referring to fig. 2, fig. 2 is a schematic flow chart of another image display method according to an embodiment of the invention. The method shown in fig. 2 can be applied to an intelligent vehicle-mounted system of an automobile. As shown in fig. 2, the image display method may include the steps of:
S201, the automobile display device acquires the brightness value of the current environment of the automobile.
S202, the automobile display device judges whether the brightness value is smaller than a preset threshold value, if so, the step S203 is executed; if not, the flow is ended.
S203, the automobile display device obtains the target transparency value of the touch display screen corresponding to the brightness value, and obtains the target display brightness value of the touch display screen corresponding to the brightness value.
In the embodiment of the invention, the automobile display device can pre-store a plurality of groups of corresponding relations between the brightness ranges and the transparency values, so that the transparency of the touch display screen can be adjusted according to different brightness values under the condition of weak light, and the transparency of the touch display screen is different along with different light; meanwhile, the automobile display device can also pre-store the corresponding relation between a plurality of groups of brightness ranges and display brightness values, so that the display brightness of the touch display screen can be adjusted according to different brightness values when the light is weak, and better experience can be brought to a user when an automobile is driven. And the brightness ranges of each group are not overlapped with each other, and any brightness value in each group of brightness ranges is smaller than a preset threshold value. Therefore, when the automobile display device determines that the brightness value of the current environment of the automobile is smaller than the preset threshold, it indicates that the automobile may be in a relatively weak light environment currently, and when the user drives in the relatively weak light environment, the eyesight of the user may be reduced, and the user may not notice details of the road condition in front of the automobile, so that the judgment of the user is reduced.
Therefore, the vehicle display apparatus first determines the brightness range corresponding to the brightness value, and then searches for the target transparency value corresponding to the brightness range and the target display brightness value corresponding to the brightness range.
Optionally, the automobile display device may also preset a target transparency value and a target display brightness value, and as long as the brightness value of the environment where the automobile is located is less than the preset brightness value, the automobile display device may obtain the preset target transparency value and the target display brightness value.
It should be noted that the target transparency value is lower than the transparency value of the touch display screen in the non-night driving mode, and the target display brightness value is higher than the display brightness value of the touch display screen in the non-night driving mode.
S204, the automobile display device adjusts the current transparency value of the touch display screen to the target transparency value, and adjusts the current display brightness value of the touch display screen to the target display brightness value.
in the embodiment of the present invention, when the automobile display device obtains the target transparency value and the target display brightness value corresponding to the brightness value, the automobile display device adjusts the transparency value of the touch display screen to the target transparency, and adjusts the display brightness value of the touch display screen to the target display brightness value. That is to say, the automobile display device can adjust the transparency and the display brightness of the touch display screen under the condition of dark light.
In the embodiment of the invention, in the night driving mode, if the transparency of the touch display screen is kept unchanged, namely the transparency of the touch display screen is the same as the transparency in the non-night driving mode, a user may not clearly see the road condition in front because of dark light, so that the transparency of the touch display screen is reduced, and the situation that the external light suddenly appears to disturb the vision of the user so as to influence the judgment of the driving of the user can be avoided. Similarly, the display brightness of the touch display screen is slightly increased, so that a user can more clearly see the infrared image collected by the right infrared camera displayed on the touch display screen, and the user experience is improved.
in general, in order to meet actual requirements of a user for driving in different environments, the user may also manually adjust a transparency value and a display brightness value of the touch display screen.
It should be noted that S203 to S204 and S205 to S208 may be executed simultaneously, and the two are not in sequence substantially, and are not described herein again in the embodiments of the present invention.
S205, the automobile display device starts a night driving mode, and acquires an infrared image in a preset distance range in front of the automobile in the night driving mode.
S206, judging whether an obstacle exists in a preset distance range in front of the automobile or not by the automobile display device according to the infrared image, and if so, executing a step S207; if not, the flow is ended.
in the embodiment of the invention, when the infrared image within the preset distance range in front of the automobile is acquired, the automobile display device can analyze the infrared image so as to judge whether the obstacle exists within the preset distance range in front of the automobile.
In the embodiment of the invention, in an environment with weak light, the infrared camera can emit infrared light which can not be seen by the eyes of a user to illuminate a shot object so as to shoot an infrared image. Therefore, when driving at night, the infrared image in front of the automobile is collected through the infrared camera, the front road condition of the automobile can be reflected more accurately, and whether the barrier exists in the preset distance range in front of the automobile can be determined.
Therefore, when the obstacle is judged to exist in the preset distance range in front of the automobile, the automobile display device can further determine the distance between the obstacle and the automobile; and when judging that no barrier exists in the preset distance range in front of the automobile, the automobile display device only displays the acquired infrared image on the touch display screen.
s207, the automobile display device determines the target distance between the automobile and the obstacle and outputs prompt information for prompting that the obstacle exists at the position in front of the automobile and the target distance away from the automobile.
In the embodiment of the invention, when the obstacle is judged to exist in the preset distance range in front of the automobile, the automobile display device can further determine the distance between the obstacle and the automobile. In particular, the position of the obstacle in the infrared image can be analyzed, so as to determine the angle of the obstacle in front of the automobile. The automobile display device then emits infrared rays to the angle, and calculates the target distance between the obstacle and the automobile according to the time of emitting the infrared rays, the time of receiving the reflected infrared rays and the running speed of the automobile. The automobile display device can output prompt information for prompting the user that an obstacle exists at the distance from the target in front of the automobile to the user so as to remind the user of careful driving and the like.
Further, the manner of outputting the prompt information by the automobile display device may be outputting a text prompt on the touch display screen, or outputting a prompt in a voice manner, which is not limited in the embodiment of the present invention.
And S208, displaying the infrared image on the touch display screen by the automobile display device, and ending the process.
S208 and S206 to S207 are parallel steps. That is to say, the automobile display device displays the acquired infrared image on the touch display screen no matter whether the automobile display device judges whether the obstacle exists in the preset distance range in front of the automobile.
For example, referring to fig. 4 together, fig. 4 is a schematic display diagram of a touch display screen according to an embodiment of the present invention. As shown in fig. 4, the touch display screen is a front window of the whole automobile, and when the automobile display device determines that the brightness value of the current environment of the automobile is smaller than the preset threshold, the automobile display device starts the night driving mode, so as to obtain an infrared image within a preset distance range in front of the automobile, and display the infrared image in a preset area (i.e., an infrared image display area in fig. 4) of the touch display screen. Therefore, when the user drives, the user can observe the front road condition through the whole touch display screen, and can assist in observing the front road condition through the infrared image in the infrared image display area, so that the judgment of the user on the front road condition during driving is improved. Because the occupied area of the touch display screen is large, a user can also connect the mobile phone with the automobile display device, and therefore the mobile phone can be operated on the touch display screen. As shown in fig. 4, the user can operate the user's mobile phone on the terminal device operation interface, so as to make a call.
It can be seen that, in the method described in fig. 2, when the vehicle display device determines that the brightness value of the current environment of the vehicle is smaller than the preset threshold, the night driving mode may be started, so as to display the infrared image in the preset distance range in front of the vehicle on the touch display screen. Meanwhile, the transparency and the display brightness of the touch display screen can be adjusted according to the brightness value of the current environment of the automobile, namely, in a night driving mode, the transparency of the touch display screen is reduced, so that the condition that the vision of a user is disturbed by suddenly appearing light is avoided, and safer driving conditions are provided for the user. And the display brightness of the touch display screen is increased, so that a user can see the detail problem in the infrared image more clearly, and a more excellent driving environment with a better visual effect is provided for the user. Furthermore, under the night driving mode, the automobile display device can further judge whether an obstacle exists in a preset distance range in front of the automobile through infrared images, and if the obstacle exists, the automobile display device can remind a user in time, so that the safety of the user during night driving can be further improved.
Referring to fig. 3, fig. 3 is a schematic flow chart illustrating another image display method according to an embodiment of the present invention. The method shown in fig. 3 can be applied to an intelligent vehicle-mounted system of an automobile. As shown in fig. 3, the image display method may include the steps of:
s301, the automobile display device acquires the brightness value of the current environment of the automobile.
S302, the automobile display device judges whether the brightness value is smaller than a preset threshold value, if so, the step S303 is executed; if not, go to step S305.
and S303, starting a night driving mode by the automobile display device, and acquiring an infrared image within a preset distance range in front of the automobile in the night driving mode.
and S304, the automobile display device displays the infrared image on the touch display screen, and the process is ended.
S305, judging whether the automobile is in a driving state currently or not by the automobile display device, and if so, executing a step S306; if not, go to step S307.
in the embodiment of the invention, when the brightness value of the current environment of the automobile is judged to be greater than or equal to the preset threshold value, the user is indicated to drive in the environment with sufficient light, and when the user observes the road condition in front of the automobile through human eyes in the environment, the judgment force is not influenced. Therefore, the automobile display device can further judge whether the automobile is in a driving state or not.
Specifically, the manner in which the automobile display device determines whether the automobile is currently in the driving state may be determined by detecting a driving speed of the automobile or positioning the position of the automobile at two different time points, which is not limited in the embodiment of the present invention.
therefore, when the automobile is judged to be in a driving state at present, the automobile display device can adjust the transparency value of the touch display screen to the maximum transparency value; and when the automobile is judged to be in a non-driving state currently, the automobile display device can be connected with other terminal equipment, so that a user can watch videos, play games and the like on the touch display screen.
S306, the current transparency value of the touch display screen is adjusted to the maximum transparency value by the automobile display device.
In the embodiment of the invention, because the automobile display device judges that the brightness value of the current environment of the automobile is greater than the preset threshold value and the automobile is in the driving state at present, the fact that the user drives the automobile in the environment with brighter light at the moment is indicated, and the vision of the user is not greatly influenced by the light at the moment. Therefore, the automobile display device can enable a user to clearly observe the road condition in front conveniently by adjusting the current transparency value of the touch display screen to the maximum transparency value, so that the judgment of the user can be ensured to be at a higher level.
It should be noted that, no matter whether the brightness value of the current environment of the vehicle is greater than the preset threshold value or not is judged, as long as the vehicle is in the driving state, the vehicle display device may be connected to the navigator, so that the route information navigated by the navigator is displayed on the touch display screen, and a user can conveniently check the navigation route when driving. The automobile display device can also be connected with a mobile phone of a user, and if the user needs to make a call while driving, the mobile phone can be directly operated through the touch display screen. However, if the user needs to operate the mobile phone or other devices to perform entertainment activities by operating the touch display screen, and the vehicle is currently in a driving state, the vehicle display device controls the operation authority of the touch display screen, so that the user cannot open the entertainment applications through the touch display screen.
And S307, the automobile display device receives a multimedia playing instruction input aiming at the target equipment on the touch display screen.
In the embodiment of the present invention, the target Device may include a smart phone (such as an Android phone, an iOS phone, and the like), a tablet computer, a palmtop computer, a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), and other Mobile terminal devices, and the embodiment of the present invention is not limited thereto.
in the embodiment of the invention, since the automobile display device judges that the brightness value of the current environment of the automobile is greater than the preset threshold value and the automobile is in a non-driving state, a user can play the multimedia file on the target device by operating the touch display screen. Therefore, when the automobile display device receives a multimedia playing instruction input by a user on the touch display screen aiming at the target equipment, the automobile display device can play the multimedia file.
The multimedia playing instruction may carry a file identifier of the target multimedia file, such as a file name, a storage path, a file format, and the like. The target device and the vehicle display device establish a connection relationship, which may be established through bluetooth, a wireless network, or a USB, and the embodiments of the present invention are not limited.
s308, the automobile display device responds to the multimedia playing instruction, the current transparency value of the touch display screen is adjusted to the minimum transparency value, the target multimedia file is played on the touch display screen, and the process is finished.
In the embodiment of the present invention, since the automobile display device determines that the brightness value of the current environment of the automobile is greater than the preset threshold value and the automobile is currently in the non-driving state, if the user inputs a multimedia playing instruction on the touch display screen for the target device, the automobile display device will find out the target multimedia file according to the file identifier of the target multimedia file carried by the multimedia playing instruction, so as to play the target multimedia file on the touch display screen,
the target multimedia file may be a video, music, or the like, and the embodiment of the present invention is not limited thereto. Because the automobile is in a non-driving state, and the brightness value of the current environment of the automobile is greater than the preset threshold value, if a user plays a multimedia file such as a video on the touch display screen, the user may influence the viewing experience of the video due to strong external light. Therefore, the current transparency value of the touch display screen can be adjusted to the minimum transparency value by the automobile display device, so that the user is guaranteed not to be influenced by the outside when watching the target multimedia file played by the touch display screen, and the user experience is improved.
For example, when a user has a rest in an automobile in the daytime and needs to give time by watching a video, the user can operate the mobile phone on the touch display screen to turn on the video stored in the mobile phone, and the automobile display device receives a video playing instruction input by the user on the touch display screen for the mobile phone, so that the video selected by the user is played on the touch display screen. Meanwhile, when the automobile display device detects that the brightness value of the external environment is high, the transparency of the touch display screen can be adjusted to be the lowest, and therefore the user is prevented from being interfered by the outside when watching videos.
It can be seen that, in the method described in fig. 3, when the automobile display device detects that the automobile is in a driving state, if the brightness value is greater than or equal to the preset threshold, the automobile display device will adjust the transparency of the touch display screen to the maximum, so that the user can observe the road condition in front of the automobile conveniently. And when the automobile is detected to be in a non-driving state, the user can operate the target device on the touch display screen to play videos or music. If the brightness value of the current environment of the automobile is larger than or equal to the preset threshold value, the transparency of the touch display screen can be adjusted to the minimum value when the automobile display device plays the video, the playing effect is improved, and therefore the user cannot be influenced by the external environment when watching the video, and the user experience is improved.
referring to fig. 5, fig. 5 is a schematic structural diagram of an automotive display device according to an embodiment of the present invention. The automobile display device 500 shown in fig. 5 can be applied to an intelligent vehicle-mounted system of an automobile. As shown in fig. 5, the display apparatus 500 for an automobile may include the following units:
The first obtaining unit 501 is configured to obtain a brightness value of an environment where the automobile is currently located.
In the embodiment of the present invention, the vehicle display device 500 is a part of a vehicle intelligent system. The display screen of the automobile display device 500 is the whole front window of the automobile, and the display screen may be a transparent touch display screen or a non-transparent touch display screen. The user can observe the road condition in front of the automobile through the touch display screen, can view the road condition information shot by the automobile data recorder or the infrared camera on the touch display screen, can view the navigation route information of the automobile navigator, and can also view videos and the like on the touch display screen during rest, and the embodiment of the invention is not limited.
therefore, when the vehicle-mounted system detects that the user gets on the vehicle, the first obtaining unit 501 may detect the brightness value of the current environment of the vehicle in real time through the brightness sensor, so as to determine whether the current environment is a weak light environment or a sufficient light environment according to the brightness value of the current environment.
it should be noted that the environment with weak light mainly refers to evening and night, but if the car enters the tunnel in the daytime, the brightness value may be low, so that the environment with weak light may also be referred to as the environment with weak light; the bright environment mainly refers to the daytime, but if the automobile runs on a road section with a lot of street lamps at night, the brightness value of the automobile may be higher, so that the automobile can also be called an environment with sufficient light, and the embodiment of the invention is not limited.
A judging unit 502, configured to judge whether the brightness value acquired by the first acquiring unit 501 is smaller than a preset threshold.
in this embodiment of the present invention, when the first obtaining unit 501 obtains the brightness value of the current environment of the automobile, the determining unit 502 determines whether the brightness value is smaller than a preset threshold, where the preset threshold may be set by the automobile display device 500 according to the difference between the brightness values at daytime and at night under normal conditions, or may be set by the user according to the eyesight condition of the user under different brightness, and the embodiment of the present invention is not limited.
Therefore, when the determining unit 502 determines that the brightness value is smaller than the preset threshold, it indicates that the user may drive in a dark environment, which may affect the eyesight of the user, and the vehicle display device 500 may start the night driving mode; when the determining unit 502 determines that the brightness value is greater than or equal to the preset threshold, it indicates that the user is driving in a brighter environment, and the current environment may not have a great influence on the accuracy of the eyesight determination of the user during driving, so the vehicle display apparatus 500 may start the user experience mode.
Further, if the vehicle is in the night driving mode before the first obtaining unit 501 obtains the brightness value, the vehicle display apparatus 500 may convert the night driving mode into the user experience mode when the determining unit 502 determines that the brightness value is greater than or equal to the preset threshold; if the user experience mode is set before the first obtaining unit 501 obtains the brightness value, when the determining unit 502 determines that the brightness value is greater than or equal to the preset threshold, the vehicle display apparatus 500 will not respond and continue to use the current user experience mode.
When the vehicle display device 500 is in the user experience mode, the transparency of the touch display screen is generally higher, so that the user can see the road condition in front of the vehicle through the touch display screen directly.
A second obtaining unit 503, configured to start a night driving mode when the determining unit 502 determines that the brightness value is smaller than the preset threshold, and obtain an infrared image in a preset distance range in front of the automobile in the night driving mode.
In the embodiment of the present invention, in the night driving mode, the second obtaining unit 503 may use the infrared camera to collect the road condition in the preset distance range in front of the vehicle, and the infrared image collected by the infrared camera may accurately reflect the road condition in front of the vehicle, so as to prevent the user from being unable to see the road condition in front due to weak light, or prevent the light of the vehicle in a reverse situation from affecting the sight of the user, thereby improving the safety of vehicle driving.
Specifically, when the determining unit 502 determines that the brightness value of the current environment of the vehicle is smaller than the preset threshold, it indicates that the vehicle may be in a darker environment, and when the user drives in the environment, if only the front road condition is checked through human eyes, the accuracy of the determination may be low due to the fact that the specific situation of the front road cannot be seen clearly because the light is dark. Therefore, the vehicle display apparatus 500 may start a night driving mode, and in the night driving mode, the second obtaining unit 503 may obtain an infrared image within a preset distance range in front of the vehicle in real time by using the infrared camera during the driving of the vehicle.
The preset distance range may be the maximum shooting angle range of the infrared camera and the farthest shooting distance of the infrared camera, or may be set by the vehicle display device 500 according to the maximum angle range and the line-of-sight distance that the user needs to pay attention to when the vehicle is running, which is not limited in the embodiment of the present invention.
In the embodiment of the invention, the infrared camera can shoot the image which can not be seen by eyes, so that when the current environment of the automobile is dark, the mode of judging the road condition by a user is assisted by shooting the infrared image, and the safety during driving at night can be enhanced.
The display unit 504 is configured to display the infrared image on the touch display screen.
In the embodiment of the present invention, when the second obtaining unit 503 obtains the infrared image in the preset distance range in front of the automobile, the display unit 504 displays the obtained infrared image on the touch display screen in real time. The infrared image may be displayed on the entire touch display screen, or may be displayed on a preset area of the touch display screen.
Specifically, the position and the area size of the preset region may be set by the user according to the visual habit of the user, or may be default for the vehicle display device system, which is not limited in the embodiment of the present invention.
It can be seen that, in the automobile display device described in fig. 5, the front window of the automobile is a touch display screen, and the automobile display device can acquire the brightness value of the current environment of the automobile and determine whether the brightness value is smaller than a preset threshold, if so, the automobile display device starts a night driving mode, acquires an infrared image in a preset distance range in front of the automobile in the night driving mode, and finally displays the infrared image on the touch display screen. By the embodiment of the invention, the automobile display device can acquire the infrared image in front of the automobile at night and display the infrared image on the touch display screen of the front window of the automobile, so that a driver can be assisted to make correct judgment on the front condition of the automobile during driving at night, and the safety of automobile driving is improved.
Referring to fig. 6, fig. 6 is a schematic structural diagram of another display device for a vehicle according to an embodiment of the present invention. The automobile display device 500 shown in fig. 6 is optimized based on the automobile display device 500 shown in fig. 5. As shown in fig. 6, the automobile display device 500 may further include a first adjusting unit 505, a determining unit 506, and an output unit 507, wherein:
the second obtaining unit 503 is further configured to obtain a target transparency value of the touch display screen corresponding to the brightness value, and obtain a target display brightness value of the touch display screen corresponding to the brightness value.
In the embodiment of the present invention, the automobile display device 500 may pre-store a plurality of sets of correspondence between the brightness ranges and the transparency values, so that the transparency of the touch display screen can be adjusted according to different brightness values under the condition of weak light, so that the transparency of the touch display screen is different according to different light; meanwhile, the automobile display device 500 may also pre-store a plurality of sets of corresponding relations between brightness ranges and display brightness values, so that the display brightness of the touch display screen may be adjusted according to different brightness values when the light is weak, thereby providing better experience for a user when driving an automobile. And the brightness ranges of each group are not overlapped with each other, and any brightness value in each group of brightness ranges is smaller than a preset threshold value. Therefore, when the determining unit 502 determines that the brightness value of the current environment of the automobile is smaller than the preset threshold, it indicates that the automobile may be in a relatively weak environment, and when the user drives in the relatively weak environment, the eyesight of the user may be reduced, and details of the road condition in front of the automobile may not be noticed, so that the user's determination is reduced.
Therefore, the second obtaining unit 503 first determines the brightness range corresponding to the brightness value, and then searches for the target transparency value corresponding to the brightness range and the target display brightness value corresponding to the brightness range.
alternatively, the vehicle display apparatus may also preset a target transparency value and a target display brightness value, and as long as the brightness value of the environment where the vehicle is located is less than the preset brightness value, the second obtaining unit 503 obtains the preset target transparency value and the target display brightness value.
It should be noted that the target transparency value is lower than the transparency value of the touch display screen in the non-night driving mode, and the target display brightness value is higher than the display brightness value of the touch display screen in the non-night driving mode.
The first adjusting unit 505 is configured to adjust the current transparency value of the touch display screen to the target transparency value, and adjust the current display brightness value of the touch display screen to the target display brightness value.
In this embodiment of the present invention, when the second obtaining unit 503 obtains the target transparency value and the target display brightness value corresponding to the brightness value, the first adjusting unit 505 adjusts the transparency value of the touch display screen to be the target transparency, and adjusts the display brightness value of the touch display screen to be the target display brightness value. That is to say, the first adjusting unit 505 may adjust the transparency and the display brightness of the touch display screen in a dark condition.
In the embodiment of the present invention, in the night driving mode, if the transparency of the touch display screen is kept unchanged, that is, the transparency of the touch display screen is the same as the transparency in the non-night driving mode, the user may not see the road condition ahead clearly because of dark light, so the first adjusting unit 505 adjusts the transparency of the touch display screen to be low, which can prevent the situation that the light suddenly appearing outside disturbs the vision of the user, thereby affecting the judgment of the user in driving. Similarly, the first adjusting unit 505 slightly increases the display brightness of the touch display screen, so that the user can more clearly view the infrared image collected by the right infrared camera displayed on the touch display screen, thereby improving the user experience.
The determining unit 502 is further configured to determine whether an obstacle exists within the preset distance range in front of the automobile according to the infrared image when the second obtaining unit 503 obtains the infrared image within the preset distance range in front of the automobile.
In this embodiment of the present invention, when the second obtaining unit 503 obtains the infrared image within the preset distance range in front of the automobile, the determining unit 502 may analyze the infrared image, so as to determine whether an obstacle exists within the preset distance range in front of the automobile.
In the embodiment of the invention, in an environment with weak light, the infrared camera can emit infrared light which can not be seen by the eyes of a user to illuminate a shot object so as to shoot an infrared image. Therefore, when driving at night, the infrared image in front of the automobile is collected through the infrared camera, the front road condition of the automobile can be reflected more accurately, and whether the barrier exists in the preset distance range in front of the automobile can be determined.
therefore, when the determining unit 502 determines that an obstacle exists within a preset distance range in front of the vehicle, the determining unit 506 further determines the distance between the obstacle and the vehicle; when the determining unit 502 determines that no obstacle exists within the preset distance range in front of the vehicle, the display unit 504 displays the acquired infrared image on the touch display screen.
a determining unit 506, configured to determine a target distance between the vehicle and the obstacle when the determining unit 502 determines that the obstacle exists within the preset distance range in front of the vehicle.
And the output unit 507 is used for outputting prompt information for prompting that an obstacle exists at the position in front of the automobile and away from the automobile target.
In an embodiment of the present invention, when the determining unit 502 determines that an obstacle exists within a preset distance range in front of the vehicle, the determining unit 506 further determines a distance between the obstacle and the vehicle. In particular, the position of the obstacle in the infrared image can be analyzed, so as to determine the angle of the obstacle in front of the automobile. The determination unit 506 then emits infrared rays to the angle, and calculates a target distance between the obstacle and the vehicle according to the time of emitting the infrared rays, the time of receiving the reflected infrared rays, and the traveling speed of the vehicle. The output unit 507 may thereby output to the user a prompt message for prompting the user that an obstacle is present at a target distance ahead of the automobile, to prompt the user to drive carefully, or the like.
Further, the output unit 507 may output the prompt information by outputting a text prompt on the touch display screen or outputting a prompt by a voice, which is not limited in the embodiment of the present invention.
It can be seen that, in the automobile display device depicted in fig. 6, when the automobile display device determines that the brightness value of the current environment of the automobile is smaller than the preset threshold, the night driving mode may be started, so as to display the infrared image in the preset distance range in front of the automobile on the touch display screen. Meanwhile, the transparency and the display brightness of the touch display screen can be adjusted according to the brightness value of the current environment of the automobile, namely, in a night driving mode, the transparency of the touch display screen is reduced, so that the condition that the vision of a user is disturbed by suddenly appearing light is avoided, and safer driving conditions are provided for the user. And the display brightness of the touch display screen is increased, so that a user can see the detail problem in the infrared image more clearly, and a more excellent driving environment with a better visual effect is provided for the user. Furthermore, under the night driving mode, the automobile display device can further judge whether an obstacle exists in a preset distance range in front of the automobile through infrared images, and if the obstacle exists, the automobile display device can remind a user in time, so that the safety of the user during night driving can be further improved.
Referring to fig. 7, fig. 7 is a schematic structural diagram of another display device for a vehicle according to an embodiment of the present invention. The automobile display device 500 shown in fig. 7 is optimized based on the automobile display device 500 shown in fig. 5. As shown in fig. 7, the automobile display device 500 may further include a second adjusting unit 508, a receiving unit 509, a third adjusting unit 510, and a playing unit 511, wherein:
the determining unit 502 is further configured to determine whether the vehicle is currently in a driving state when the brightness value of the environment where the vehicle is currently located is determined to be greater than or equal to the preset threshold.
in the embodiment of the present invention, when the determining unit 502 determines that the brightness value of the current environment of the automobile is greater than or equal to the preset threshold, it indicates that the user is driving in an environment with sufficient light, and when the user observes the road condition in front of the automobile through human eyes in the environment, the determination is not influenced. Therefore, the determining unit 502 further determines whether the vehicle is currently in a driving state.
Specifically, the manner in which the determining unit 502 determines whether the vehicle is currently in the driving state may be determined by detecting a driving speed of the vehicle or positioning the position of the vehicle at two different time points, which is not limited in the embodiment of the present invention.
Therefore, when the determining unit 502 determines that the vehicle is currently in the driving state, the second adjusting unit 508 adjusts the transparency value of the touch display screen to the maximum transparency value; when the determining unit 502 determines that the vehicle is currently in the non-driving state, the vehicle display apparatus 500 may be connected to other terminal devices, so that the user may view a video, play a game, and the like on the touch display screen.
The second adjusting unit 508 is configured to adjust the current transparency value of the touch display screen to the maximum transparency value when the determining unit 502 determines that the vehicle is currently in the driving state.
In the embodiment of the present invention, since the determining unit 502 determines that the brightness value of the current environment of the automobile is greater than the preset threshold, and the automobile is currently in the driving state, it indicates that the user drives the automobile in the environment with brighter light, and the eyesight of the user is not greatly affected by the light. Therefore, the second adjusting unit 508 adjusts the current transparency value of the touch display screen to the maximum transparency value, so that the user can clearly observe the road condition ahead, thereby ensuring that the judgment of the user is at a high level.
It should be noted that, no matter whether the brightness value of the current environment of the vehicle is greater than the preset threshold value or not is judged, as long as the vehicle is in the driving state, the vehicle display device 500 may be connected to the navigator, so that the route information navigated by the navigator is displayed on the touch display screen, and a user can conveniently check the navigation route when driving. The vehicle display device 500 may also be connected to a mobile phone of a user, and if the user needs to make a call while driving, the mobile phone may be directly operated through the touch display screen. However, if the user needs to operate the mobile phone or other devices to perform entertainment activities by operating the touch display screen, and the vehicle is currently in a driving state, the vehicle display apparatus 500 controls the operation authority of the touch display screen, so that the user cannot open the entertainment applications through the touch display screen.
a receiving unit 509, configured to receive a multimedia playing instruction input on the touch display screen for a target device when the determining unit 502 determines that the vehicle is currently in the non-driving state.
In the embodiment of the present invention, the target Device may include a smart phone (such as an Android phone, an iOS phone, and the like), a tablet computer, a palmtop computer, a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), and other Mobile terminal devices, and the embodiment of the present invention is not limited thereto.
In the embodiment of the present invention, since the determining unit 502 determines that the brightness value of the current environment of the automobile is greater than the preset threshold, and the automobile is currently in the non-driving state, the user may play the multimedia file on the target device by operating the touch display screen. Therefore, when the receiving unit 509 receives a multimedia playing instruction input by a user on the touch display screen for a target device, the playing unit 511 plays a multimedia file.
The multimedia playing instruction may carry a file identifier of the target multimedia file, such as a file name, a storage path, a file format, and the like. The target device and the vehicle display apparatus 500 establish a connection relationship, which may be established through bluetooth, a wireless network, or a USB, and the embodiment of the present invention is not limited thereto.
the third adjusting unit 510 is configured to respond to the multimedia playing instruction, and adjust the current transparency value of the touch display screen to the minimum transparency value.
The playing unit 511 is configured to play the target multimedia file on the touch display screen.
In the embodiment of the present invention, since the determining unit 502 determines that the brightness value of the current environment of the vehicle is greater than the preset threshold and the vehicle is currently in the non-driving state, if the user inputs a multimedia playing instruction on the touch display screen for the target device, the playing unit 511 will find out the target multimedia file according to the file identifier of the target multimedia file carried by the multimedia playing instruction, so as to play the target multimedia file on the touch display screen,
The target multimedia file may be a video, music, or the like, and the embodiment of the present invention is not limited thereto. Because the automobile is in a non-driving state, and the brightness value of the current environment of the automobile is greater than the preset threshold value, if a user plays a multimedia file such as a video on the touch display screen, the user may influence the viewing experience of the video due to strong external light. Therefore, the third adjusting unit 510 adjusts the current transparency value of the touch display screen to the minimum transparency value, so as to ensure that the user is not affected by the outside when watching the target multimedia file played by the touch display screen, thereby improving the user experience.
It can be seen that, in the automobile display device described in fig. 7, when the automobile display device detects that the automobile is in a driving state, if the brightness value is greater than or equal to the preset threshold value, the automobile display device may adjust the transparency of the touch display screen to be maximum, so that the user can observe the road condition in front of the automobile conveniently. And when the automobile is detected to be in a non-driving state, the user can operate the target device on the touch display screen to play videos or music. If the brightness value of the current environment of the automobile is larger than or equal to the preset threshold value, the transparency of the touch display screen can be adjusted to the minimum value when the automobile display device plays the video, the playing effect is improved, and therefore the user cannot be influenced by the external environment when watching the video, and the user experience is improved.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
the above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (8)
1. An image display method is applied to an intelligent vehicle-mounted system of an automobile, a front window of the automobile is a touch display screen, and the method comprises the following steps:
acquiring the brightness value of the current environment of the automobile;
judging whether the brightness value is smaller than a preset threshold value or not;
If so, starting a night driving mode, and acquiring an infrared image in a preset distance range in front of the automobile in the night driving mode;
Displaying the infrared image on the touch display screen;
The system comprises a display device, a display control device and a display control device, wherein the display control device is used for displaying a plurality of groups of brightness ranges and display brightness values; the method further comprises the following steps:
When the brightness value is smaller than a preset threshold value, acquiring a target transparency value of the touch display screen corresponding to the brightness value, and acquiring a target display brightness value of the touch display screen corresponding to the brightness value;
And adjusting the current transparency value of the touch display screen to the target transparency value, wherein the target transparency value is lower than the transparency value of the touch display screen in a non-night driving mode, and adjusting the current display brightness value of the touch display screen to the target display brightness value.
2. The method according to claim 1, wherein after the night driving mode is activated and the infrared image within a preset distance range in front of the automobile is acquired in the night driving mode, the method further comprises:
Judging whether an obstacle exists in a preset distance range in front of the automobile or not according to the infrared image;
If so, determining a target distance between the automobile and the obstacle;
And outputting prompt information for prompting that the obstacle exists at the distance from the front to the automobile target.
3. The method of claim 1, further comprising:
when the brightness value is larger than or equal to a preset threshold value, judging whether the automobile is in a driving state at present;
And if so, adjusting the current transparency value of the touch display screen to the maximum transparency value.
4. The method of claim 3, further comprising:
when the automobile is in a non-driving state currently, receiving a multimedia playing instruction input on the touch display screen aiming at target equipment, wherein the multimedia playing instruction carries a file identifier of a target multimedia file, and the target equipment is connected with the automobile;
And responding to the multimedia playing instruction, adjusting the current transparency value of the touch display screen to the minimum transparency value, and playing the target multimedia file on the touch display screen.
5. The utility model provides an automobile display device, uses the on-vehicle system of car intelligence, and the front window of car is the touch-control display screen, the device includes:
The first acquisition unit is used for acquiring the brightness value of the current environment of the automobile;
The judging unit is used for judging whether the brightness value is smaller than a preset threshold value or not;
the second acquisition unit is used for starting a night driving mode when the judgment unit judges that the brightness value is smaller than a preset threshold value, and acquiring an infrared image in a preset distance range in front of the automobile in the night driving mode;
the display unit is used for displaying the infrared image on the touch display screen;
the system comprises a display device, a display control device and a display control device, wherein the display control device is used for displaying a plurality of groups of brightness ranges and display brightness values; the second obtaining unit is further configured to obtain a target transparency value of the touch display screen corresponding to the brightness value when the judging unit judges that the brightness value is smaller than a preset threshold value, and obtain a target display brightness value of the touch display screen corresponding to the brightness value;
The device further comprises:
The first adjusting unit is used for adjusting the current transparency value of the touch display screen to the target transparency value, the target transparency value is lower than the transparency value of the touch display screen in a non-night driving mode, and the current display brightness value of the touch display screen is adjusted to the target display brightness value.
6. The apparatus of claim 5,
The judging unit is also used for judging whether an obstacle exists in a preset distance range in front of the automobile according to the infrared image;
The device further comprises:
The determining unit is used for determining a target distance between the automobile and an obstacle when the judging unit judges that the obstacle exists in a preset distance range in front of the automobile;
And the output unit is used for outputting prompt information for prompting that an obstacle exists at the position in front of the automobile and away from the automobile target.
7. the apparatus of claim 5,
The judging unit is further used for judging whether the automobile is in a driving state at present or not when the brightness value is judged to be larger than or equal to a preset threshold value;
The device further comprises:
And the second adjusting unit is used for adjusting the current transparency value of the touch display screen to the maximum transparency value when the judging unit judges that the automobile is in the driving state at present.
8. The apparatus of claim 7, further comprising:
the receiving unit is used for receiving a multimedia playing instruction input on the touch display screen aiming at target equipment when the judging unit judges that the automobile is in a non-driving state currently, wherein the multimedia playing instruction carries a file identifier of a target multimedia file, and the target equipment and the automobile are in a connection relation;
The third adjusting unit is used for responding to the multimedia playing instruction and adjusting the current transparency value of the touch display screen to the minimum transparency value;
And the playing unit is used for playing the target multimedia file on the touch display screen.
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| CN105681655A (en) * | 2016-01-14 | 2016-06-15 | 上海华掌通信技术有限公司 | Method of realizing infrared photographing function based on Android mobile phone |
| WO2017159545A1 (en) | 2016-03-15 | 2017-09-21 | 富士フイルム株式会社 | Camera |
| CN106427840A (en) * | 2016-07-29 | 2017-02-22 | 深圳市元征科技股份有限公司 | Method of self-adaptive vehicle driving mode and terminal |
| CN106274689B (en) * | 2016-08-18 | 2019-01-11 | 青岛海信移动通信技术股份有限公司 | Information display method, device and terminal in reverse image |
| CN111951301A (en) * | 2020-07-16 | 2020-11-17 | 山东派蒙机电技术有限公司 | Method for reducing interference degree of vehicle vision system |
| CN112905139A (en) * | 2021-03-25 | 2021-06-04 | 广州小鹏汽车科技有限公司 | Vehicle-mounted display screen control method and device, vehicle and storage medium |
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