CN113495706A - Display control device, vehicle, and display control method - Google Patents
Display control device, vehicle, and display control method Download PDFInfo
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- CN113495706A CN113495706A CN202110291477.XA CN202110291477A CN113495706A CN 113495706 A CN113495706 A CN 113495706A CN 202110291477 A CN202110291477 A CN 202110291477A CN 113495706 A CN113495706 A CN 113495706A
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- 238000001514 detection method Methods 0.000 claims description 11
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- 238000003384 imaging method Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 description 16
- 238000012545 processing Methods 0.000 description 5
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- 230000005540 biological transmission Effects 0.000 description 3
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- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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- G06Q30/00—Commerce
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Abstract
The invention provides a display control device, a vehicle and a display control method. The display control device (12) is provided with a display control unit (62), an information acquisition unit (58), and a display stop determination unit (64), wherein the display control unit (62) controls the display of content in a display area (70), wherein the display area (70) faces the outside of the preceding vehicle (10), the information acquisition unit (58) acquires operation information indicating the operation of the following vehicle (90), and the display stop determination unit (64) determines whether the display of content needs to be stopped based on the operation information. When the display stop determination unit (64) determines that the display of the content needs to be stopped, the display control unit (62) stops displaying the content in the display area (70). Accordingly, it is possible to stop displaying the content in the display area according to the intention of the occupant of the rear vehicle, or to display the content in the display area according to the intention of the occupant of the rear vehicle.
Description
Technical Field
The invention relates to a display control device, a vehicle, and a display control method.
Background
Japanese patent laid-open publication No. 2003-140589 discloses a technique of outputting an advertisement to the rear from a display device provided at the rear of an advertisement vehicle (Advertising vehicle).
Disclosure of Invention
However, in japanese patent laid-open publication No. 2003-140589, the display of the display device (display area) is stopped by the driver of the advertising vehicle (preceding vehicle). Therefore, when an advertisement is output rearward from the display device, even if the occupants (including the driver) of the rear vehicle traveling behind the advertising vehicle do not want to view the advertisement, the occupants cannot request to stop the display.
An object of the present invention is to provide a display control device, a vehicle, and a display control method that can perform control to stop displaying content (content) in a display area or to display content in the display area according to the intention of a rear vehicle occupant.
A display control device according to an aspect of the present invention includes a display control unit that controls display of a content in a display area facing a front vehicle, an information acquisition unit that acquires operation information indicating an operation of a rear vehicle, and a display stop determination unit that determines whether or not the display of the content needs to be stopped based on the operation information, and when the display stop determination unit determines that the display of the content needs to be stopped, the display control unit stops the display of the content in the display area.
A vehicle according to another aspect of the present invention includes the display control device.
A display control method according to still another aspect of the present invention includes a display step of displaying a content in a display area facing forward outside a vehicle, an information acquisition step, a display stop determination step, and a display stop step; in the information acquisition step, acquiring motion information indicating a motion of a rear vehicle; in the display stop determination step, it is determined whether or not it is necessary to stop displaying the content based on the motion information; in the display stopping step, when it is determined by the display stop determining step that the display of the content needs to be stopped, the display of the content in the display area is stopped.
According to the present invention, it is determined whether or not it is necessary to stop the display content according to the motion of the rear vehicle. Accordingly, it is possible to stop displaying the content in the display area according to the intention of the rear vehicle occupant or to display the content in the display area according to the intention of the rear vehicle occupant.
The above objects, features and advantages will be readily understood by the following description of the embodiments with reference to the accompanying drawings.
Drawings
Fig. 1 is a block diagram showing a vehicle including a display control device according to an embodiment.
Fig. 2 is a view showing a vehicle.
Fig. 3 is a diagram showing an example of a traveling state of each vehicle on a lane.
Fig. 4 is a flowchart showing an example of the operation of the display control apparatus according to the embodiment.
Detailed Description
The display control apparatus, the vehicle, and the display control method according to the present invention will be described in detail below with reference to the accompanying drawings by referring to preferred embodiments.
[1. Structure of the present embodiment ]
A display control device, a vehicle, and a display control method according to an embodiment will be described with reference to the drawings. Fig. 1 is a block diagram showing a vehicle 10 equipped with a display control device 12 according to the present embodiment.
The vehicle 10 (preceding vehicle) has a display Control device 12, i.e., a display Control ECU (Electronic Control Unit). The vehicle 10 further has an external sensor 14 (ambient environment detection unit), a vehicle speed sensor 16, a communication unit 20, an HMI (human machine interface) 22, a display unit 24, a navigation device 30, and a positioning unit 33. The vehicle 10 also includes structural elements other than these, but the description thereof is omitted here.
The outside sensor 14 acquires information indicating the outside conditions of the vehicle 10, that is, outside information (surrounding environment information). The environment sensor 14 has a plurality of cameras 32 (imaging sections) and a plurality of radars 34. The ambient sensor 14 also has a plurality of LiDAR (Light Detection And Ranging, Laser Imaging Detection And Ranging) 36.
Camera information (operation information) that is information acquired by the camera 32 is supplied from the camera 32 to the display control device 12. The camera information includes shooting information and the like. The camera information is combined with radar information and LiDAR information, which will be described later, to constitute external information. In fig. 1, 1 camera 32 is illustrated, but actually, there are a plurality of cameras 32.
The radar 34 transmits a transmission wave to the outside of the vehicle 10, and receives a reflected wave reflected by a detected object out of the transmitted transmission wave. Examples of the transmission wave include an electromagnetic wave. Examples of the electromagnetic wave include a millimeter wave. The radar 34 generates radar information (reflected wave signal) from the reflected wave or the like. The radar 34 supplies the generated radar information to the display control apparatus 12. In fig. 1, 1 radar 34 is illustrated, but the vehicle 10 actually has a plurality of radars 34. The radar 34 is not limited to the millimeter-wave radar. For example, a laser radar, an ultrasonic sensor, or the like may be used as the radar 34.
The LiDAR36 continuously emits laser light in all directions of the vehicle 10, measures the three-dimensional position of the reflection point from the reflected wave of the emitted laser light, and outputs three-dimensional information, which is information on the three-dimensional position. The LiDAR36 provides the three-dimensional information, i.e., LiDAR information, to the display control device 12. In FIG. 1, one LiDAR36 is illustrated, but in practice the vehicle 10 has multiple LiDAR 36.
The vehicle speed sensor 16 may detect the speed of the vehicle 10, i.e., the vehicle speed. Information detected by the vehicle speed sensor 16, that is, information indicating the vehicle speed, may be supplied to the display control device 12.
The communication unit 20 performs wireless communication with an external device not shown. The external device may include, for example, an external server not shown. The communication unit 20 can perform inter-vehicle communication with another vehicle by wireless communication.
The HMI22 accepts operation inputs by the occupant, and provides the occupant with various information in a visual, audible, or tactile manner. The HMI22 may include, for example, a display and a speaker, not shown.
As the display unit 24, for example, a liquid crystal display, an organic EL display, an LED matrix, or the like can be used, but the present invention is not limited thereto. The display unit 24 may be constituted by a projector. In the case where the display unit 24 is configured by a projector, the projector may be disposed inside the vehicle 10 and project the content onto a window of the vehicle 10. The display unit 24 has a display area 70 facing the outside of the vehicle 10, i.e., toward the outside of the vehicle.
Fig. 2 is a diagram showing the vehicle 10. Fig. 2 shows a rear portion 10B of the vehicle 10. A rear door 80, for example, is provided at the rear portion 10B of the vehicle 10. As shown in fig. 2, the display area 70 is provided on the rear portion 10B of the vehicle 10, more specifically, on the back door 80. More specifically, the display area 70 is provided on a surface of the outer side of the back door 80. Since the display area 70 is provided in the rear portion 10B of the vehicle 10, the display area 70 can be visually confirmed from the rear of the vehicle 10.
The display area 70 of the display unit 24 can display contents such as advertisements. Examples of the content include, but are not limited to, images.
As shown in fig. 1, the Navigation device 30 includes a GNSS (Global Navigation Satellite System) sensor (not shown). The navigation device 30 further includes an unillustrated computing unit and an unillustrated storage unit. The GNSS sensor detects the current position of the vehicle 10. The calculation unit reads map information corresponding to the current position detected by the GNSS sensor from the map database stored in the storage unit. The calculation unit can specify a target route from the current position to the destination using the map information. The navigation device 30 can output the made target route to the display control device 12. The navigation device 30 can provide the display control device 12 with own vehicle position information (current position information) of the vehicle 10, route information, map information, and the like.
The positioning portion 33 has GNSS 48. The positioning section 33 also has an IMU (Inertial Measurement Unit) 50 and a map database (map DB) 52. The positioning section 33 determines the position of the vehicle 10 using the information obtained by the GNSS48, the information obtained by the IMU50, and the map information stored in the map database 52 as appropriate. The positioning unit 33 can supply the display control device 12 with vehicle position information (current position information) that is information indicating the position of the vehicle 10. In addition, the positioning section 33 can provide the map information to the display control apparatus 12.
The display control device 12 includes an arithmetic unit 54 and a storage unit 56. The arithmetic unit 54 is responsible for controlling the entire display control device 12. The arithmetic unit 54 may be constituted by one or more processors, for example. The processor may be, for example, a CPU (Central Processing Unit). The arithmetic unit 54 controls each unit based on a program stored in the storage unit 56, thereby performing display control.
The arithmetic unit 54 includes a control unit 57, an information acquisition unit 58, a display control unit 62, and a display stop determination unit 64. The control unit 57, the information acquisition unit 58, the display control unit 62, and the display stop determination unit 64 can be realized by the calculation unit 54 executing a program stored in the storage unit 56.
The storage unit 56 includes a volatile memory not shown and a nonvolatile memory not shown. Examples of the volatile memory include a ram (random Access memory). Examples of the nonvolatile memory include a rom (read Only memory) and a flash memory. External information including camera information, vehicle body behavior information, vehicle operation information, and the like are stored in the volatile memory, for example. Programs, tables, maps, and the like are stored in the nonvolatile memory, for example. Data and the like relating to the content such as advertisements are stored in, for example, a nonvolatile memory.
The control unit 57 controls the entire display control device 12.
The information acquisition section 58 acquires various information from the external sensor 14, the vehicle speed sensor 16, the communication section 20, the HMI22, the navigation device 30, and the positioning section 33. The information acquisition unit 58 acquires, for example, camera information, radar information, and LiDAR information as outside information (surrounding environment information) from the outside sensor 14. The information acquiring unit 58 acquires the own vehicle position information (current position information) of the vehicle 10 from the navigation device 30 or the positioning unit 33. Further, the information acquisition unit 58 acquires the vehicle speed of the vehicle 10 from the vehicle speed sensor 16.
The display control unit 62 can control the display of the content in the display area 70 of the display unit 24. In this case, the display control portion 62 can read appropriate content (advertisement) of the current position of the vehicle 10 from the storage portion 56 based on the own vehicle position information of the vehicle 10 or the like, and display the read content in the display area 70.
When the vehicle 10, which is a preceding vehicle, is traveling, the display stop determination unit 64 determines whether or not the display content should be stopped, based on the operation of a following vehicle traveling behind the vehicle 10. When the display stop determination unit 64 determines that the display of the content should be stopped, the display control unit 62 stops the display of the content in the display area 70 according to the determination result. On the other hand, when the display stop determination unit 64 determines that the display of the content does not have to be stopped, the display control unit 62 continues to display the content in the display area 70.
Specifically, the display stop determination unit 64 checks whether or not the image (operation information) of the rear vehicle is included in the camera information acquired by the information acquisition unit 58. For example, when a rear camera disposed in the rear portion 10B of the vehicle 10 is capturing an image of the rear of the vehicle 10, the display stop determination unit 64 confirms whether or not the camera information acquired by the rear camera includes an image of the front portion of the rear vehicle.
The display stop determination unit 64 determines whether or not the rear vehicle is performing an operation for requesting a stop of the display content when the image including the front portion of the rear vehicle is confirmed. In this case, the operation of requesting the stop of the display content is the blinking of the headlights of the rear vehicle. That is, when the image of the front portion of the rear vehicle included in the camera information is an image (operation information) indicating the blinking of the headlights of the rear vehicle, the display stop determination unit 64 determines that the display of the content needs to be stopped. Further, when the image at the front of the rear vehicle is an image in which the lamp blinking is not performed, the display stop determination unit 64 determines that the display content does not have to be stopped.
[2. operation of the present embodiment ]
Next, the operation of the display control device 12 will be described. Fig. 3 shows a case where the vehicle 10 as the preceding vehicle and the rear vehicle 90 are traveling on the lane 92. Here, the following case will be explained: when displaying content from the display area 70 of the vehicle 10 toward the rear, the rear vehicle 90 requests to stop displaying content by blinking the headlamps 94L, 94R.
Fig. 4 is a flowchart showing the operation of the display control device 12 (see fig. 1).
In step S1, the information acquisition unit 58 acquires the own vehicle position information of the vehicle 10 from, for example, the navigation device 30 or the positioning unit 33.
In step S2, the display control unit 62 reads out appropriate content at the current position from the storage unit 56 based on the vehicle position information and the like acquired by the information acquisition unit 58, and displays the read-out content in the display area 70. The display area 70 displays content toward the rear of the vehicle 10.
Here, the rear vehicle 90 travels behind the vehicle 10. Therefore, the occupant of the rear vehicle 90 can see the content. In this case, the occupant of the rear vehicle 90 does not want to view the content, and therefore, when the occupant requests to stop displaying the content, the occupant operates a direction indicator, not shown, to blink the headlamps 94L, 94R.
In step S3, the camera 32 of the environment sensor 14, specifically, the rear camera of the vehicle 10, takes an image of at least the front portion of the rear vehicle 90. Accordingly, the camera 32 acquires an image of the front of the rear vehicle 90 including the headlamps 94L, 94R as camera information. The external sensor 14 outputs the camera information to the display control device 12. As a result, the information acquiring unit 58 can acquire the camera information.
In step S4, the display stop determination unit 64 determines whether or not the occupant of the rear vehicle 90 requests stop of the display content, based on the camera information (operation information) acquired by the information acquisition unit 58. Specifically, the display stop determination unit 64 determines whether or not the image (operation information) of the front portion of the rear vehicle 90 is an image including the blinking of the headlamps 94L, 94R.
Here, when the camera information includes the image in which the lamp blinks, the display stop determination unit 64 determines that the display of the content needs to be stopped because the occupant of the rear vehicle 90 requests the display of the content to be stopped (yes in step S4).
In this manner, if the determination result is positive in step S4, in the next step S5, the display controller 62 stops displaying the content in the display area 70 according to the determination result. Accordingly, the occupant of the rear vehicle 90 can recognize that the display of the content in the display area 70 is stopped by the vehicle 10 in response to the request for stopping the display of the content (the operation of blinking the lamp).
On the other hand, in step S4, when the camera information is an image of the front portion of the rear vehicle 90 in which the lights are not blinked, the display stop determination unit 64 determines that it is not necessary to stop displaying the content in the display area 70 because it is estimated that the occupant of the rear vehicle 90 does not request to stop displaying the content and intends to view the content (step S4: no). Accordingly, the processing of step S5 is skipped, and the content continues to be displayed in the display area 70.
The processing of the flowchart of fig. 4 may be repeatedly executed at predetermined time intervals. Therefore, even when the display of the content is stopped in the present process, the display of the content in the display area 70 can be restarted by executing the process of step S2 in the next process. That is, in the present embodiment, the display of the content in the display area 70 can be stopped for a certain period of time in accordance with 1 lamp blinking operation of the rear vehicle 90.
[3 ] modification of the present embodiment ]
The preferred embodiments of the present invention have been described above, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the scope of the present invention.
In the above description, the following is explained: the display control device 12, the external sensor 14, the navigation device 30, and the positioning unit 33 are mounted on the vehicle 10 as a preceding vehicle, and determination is made as to whether or not it is necessary to stop displaying the content in the display area 70 based on information from each device of the vehicle 10. In the present embodiment, the external device other than the vehicle 10 (for example, a vehicle around the vehicle 10) may be mounted with the external sensor 14 or the like, and the communication unit 20 of the vehicle 10 may receive external information (for example, an image of the front portion of the rear vehicle 90) from the external device by wireless communication. Accordingly, the display control device 12 in the vehicle 10 can perform the processing shown in the flowchart of fig. 4 based on the received outside information.
In the present embodiment, the display control device 12 and the communication unit 20 may be mounted in an external device other than the vehicle 10. In this case, the communication unit 20 of the external device receives the external information and the like from the vehicle 10 by wireless communication, and the display control device 12 of the external device performs the processing shown in the flowchart of fig. 4 based on the received external information. Accordingly, in the case of an affirmative determination in step S4, the communication unit 20 of the external device instructs the communication unit 20 of the vehicle 10 to stop displaying the content by wireless communication. As a result, the display area 70 of the vehicle 10 can stop displaying the content in response to the instruction to stop displaying, which is received by the communication unit 20 of the vehicle 10.
[4. effect of the present embodiment ]
The above embodiments can be summarized as follows.
The display control device (12) is provided with a display control unit (62), an information acquisition unit (58), and a display stop determination unit (64), wherein the display control unit (62) controls display of content in a display area (70), wherein the display area (70) faces the outside of a preceding vehicle (10), the information acquisition unit (58) acquires motion information indicating the motion of a following vehicle (90), and the display stop determination unit (64) determines whether or not the display of the content needs to be stopped on the basis of the motion information. When the display stop determination unit (64) determines that the display of the content needs to be stopped, the display control unit (62) stops displaying the content in the display area (70).
In addition, the display control method includes a display step (S2) of displaying content in a display area (70) facing the outside of the forward vehicle (10) in the display step (S2), an information acquisition step (S3), a display stop determination step (S4), and a display stop step (S5); in the information acquisition step (S3), acquiring motion information indicating the motion of a rear vehicle (90); in the display stop determination step (S4), it is determined whether or not it is necessary to stop displaying the content based on the operation information; in the display stopping step (S5), in a case where it is determined by the display stop determining step (S4) that the display of the content needs to be stopped, the display of the content in the display area (70) is stopped.
According to the above configuration, whether or not the display content needs to be stopped is determined based on the operation of the rear vehicle (90). Accordingly, the display of the content in the display area (70) can be stopped (for a fixed period of time) or the content can be displayed on the display area (70) according to the intention of the occupant of the rear vehicle (90). That is, if the occupant of the rear vehicle (90) intends not to view the content, the display of the content can be stopped. On the other hand, if the occupant of the rear vehicle (90) intends to view the content, the appropriate content can be displayed to the occupant.
When the motion of the rear vehicle (90) indicated by the motion information is a lamp flashing motion, the display stop determination unit (64) determines that the display of the content needs to be stopped. Accordingly, the occupant of the rear vehicle (90) can request the stop of the display content by a simple operation such as the blinking of the lamp.
In addition, the vehicle 10 has the display control device 12 as described above, and the vehicle 10 can easily obtain the above-described respective effects.
In this case, the display area (70) is provided on the surface of the outside of the rear portion (10B) of the preceding vehicle (10). Accordingly, the contents can be appropriately displayed on the rear vehicle (90).
The vehicle (10) is the preceding vehicle (10), and the vehicle further includes a surrounding environment detection unit (14), wherein the surrounding environment detection unit (14) detects surrounding environment information of the preceding vehicle (10), the surrounding environment information including the following vehicle (90). The information acquisition unit (58) acquires, as the operation information, the operation of the rear vehicle (90) in the ambient environment information detected by the ambient environment detection unit (14). Accordingly, whether or not the display of the content needs to be stopped can be accurately determined.
The surrounding environment detection unit (14) includes an imaging unit (32), and the imaging unit (32) images at least the front of the rear vehicle (90). The information acquisition unit (58) acquires, as the operation information, an image of the front portion of the rear vehicle (90) captured by the imaging unit (32). As a result, the intention of the occupant of the rear vehicle (90) can be recognized more accurately.
Claims (7)
1. A display control apparatus (12),
has a display control unit (62), an information acquisition unit (58), and a display stop determination unit (64),
the display control unit (62) controls display of content in a display area (70), wherein the display area (70) faces the outside of the preceding vehicle (10),
the information acquisition unit (58) acquires operation information indicating the operation of a rear vehicle (90),
the display stop determination unit (64) determines whether or not the display of the content needs to be stopped based on the operation information,
when the display stop determination unit determines that the display of the content needs to be stopped, the display control unit stops displaying the content in the display area.
2. The display control apparatus according to claim 1,
the display stop determination unit determines that the display of the content needs to be stopped when the motion of the rear vehicle indicated by the motion information is a blinking of a lamp.
3. A vehicle (10) characterized in that,
having a display control device according to claim 1 or 2.
4. The vehicle of claim 3,
the display area is provided on a surface on an outer side of a rear portion (10B) of the preceding vehicle.
5. The vehicle of claim 3,
the vehicle is the preceding vehicle, the vehicle further has a surrounding environment detection unit (14), the surrounding environment detection unit (14) detects surrounding environment information of the preceding vehicle, the surrounding environment information including the following vehicle,
the information acquisition unit acquires, as the operation information, the operation of the rear vehicle in the ambient environment information detected by the ambient environment detection unit.
6. The vehicle of claim 5,
the surrounding environment detection unit includes an imaging unit (32), the imaging unit (32) imaging at least the front of the rear vehicle,
the information acquisition unit acquires, as the operation information, an image of a front portion of the rear vehicle captured by the imaging unit.
7. A display control method characterized by comprising, in a display control unit,
including a display step (S2), an information acquisition step (S3), a display stop determination step (S4), and a display stop step (S5), wherein,
in the displaying step (S2), displaying the content in a display area facing forward outside the vehicle;
in the information acquisition step (S3), acquiring motion information indicating a motion of a rear vehicle;
in the display stop determination step (S4), it is determined whether or not it is necessary to stop displaying the content based on the operation information;
in the display stop step (S5), when it is determined by the display stop determination step that the display of the content needs to be stopped, the display of the content in the display area is stopped.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020-047944 | 2020-03-18 | ||
| JP2020047944A JP2021148915A (en) | 2020-03-18 | 2020-03-18 | Display control device, vehicle, and display control method |
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| Publication Number | Publication Date |
|---|---|
| CN113495706A true CN113495706A (en) | 2021-10-12 |
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| CN202110291477.XA Pending CN113495706A (en) | 2020-03-18 | 2021-03-18 | Display control device, vehicle, and display control method |
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| JP (1) | JP2021148915A (en) |
| CN (1) | CN113495706A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010237411A (en) * | 2009-03-31 | 2010-10-21 | Denso It Laboratory Inc | Advertisement display device, system, method, and program |
| CN109886754A (en) * | 2019-03-04 | 2019-06-14 | 上海碧虎网络科技有限公司 | The real time implementation intelligent advertisement put-on method and system with Car license recognition are reported based on license board information |
-
2020
- 2020-03-18 JP JP2020047944A patent/JP2021148915A/en active Pending
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2021
- 2021-03-18 CN CN202110291477.XA patent/CN113495706A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010237411A (en) * | 2009-03-31 | 2010-10-21 | Denso It Laboratory Inc | Advertisement display device, system, method, and program |
| CN109886754A (en) * | 2019-03-04 | 2019-06-14 | 上海碧虎网络科技有限公司 | The real time implementation intelligent advertisement put-on method and system with Car license recognition are reported based on license board information |
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| JP2021148915A (en) | 2021-09-27 |
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