CN111347969A - Projection system and method of multimedia image and vehicle - Google Patents
Projection system and method of multimedia image and vehicle Download PDFInfo
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- CN111347969A CN111347969A CN202010131382.7A CN202010131382A CN111347969A CN 111347969 A CN111347969 A CN 111347969A CN 202010131382 A CN202010131382 A CN 202010131382A CN 111347969 A CN111347969 A CN 111347969A
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- multimedia
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- image
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/161—Decentralised systems, e.g. inter-vehicle communication
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
- B60Q2400/50—Projected symbol or information, e.g. onto the road or car body
Abstract
The invention belongs to the field of automobile entertainment equipment, and discloses a projection system, a projection method and a projection vehicle for multimedia images, wherein the system comprises a multimedia content providing system, a perception system, an interactive control system and a light projection system; the multimedia content providing system is used for providing multimedia images; the sensing system is used for acquiring a running state and a projection function triggering state of the vehicle; the interactive control system is used for selecting a multimedia image to be projected from the multimedia content providing system according to the information obtained by the perception system; the light projection system is used for receiving the multimedia images from the interactive control system and projecting the multimedia images around the vehicle. The multimedia images are projected to different positions near the vehicle body through the projection type light, so that very humanized human-vehicle interaction experience and unexpected surprise are given to vehicle users, the entertainment effect of the vehicle is fully excavated, and the driving pleasure of the users is greatly improved.
Description
Technical Field
The invention relates to a projection system and method of multimedia images and a vehicle, and belongs to the field of automobile entertainment equipment.
Background
The vehicle signal lamp has the early warning functions of ensuring driving safety, such as indication, braking reminding, steering reminding, backing reminding, foggy weather warning and the like, and is used for ensuring the driving safety. Vehicle headlamps are used to provide high and low beam illumination.
Conventional vehicular lamps provide only signaling or lighting functions, and typically require the addition of a plurality of independent lighting units, such as LEDs, to provide additional dynamic lighting effects. Even so, the need to present high pixel video and pictures is difficult to achieve.
Disclosure of Invention
The invention aims to provide a projection system, a method and a vehicle of multimedia images, which can project the multimedia images to different positions near a vehicle body through projection type light, give very humanized human-vehicle interaction experience and unexpected surprise to vehicle users, fully excavate the entertainment efficacy of the vehicle, and greatly improve the driving pleasure of the users.
In order to achieve the above object, a first aspect of the present invention provides a projection system for multimedia images, comprising a multimedia content providing system, a perception system, an interactive control system and a light projection system; the multimedia content providing system is used for providing multimedia images; the sensing system is used for acquiring a running state and a projection function triggering state of the vehicle; the interactive control system is used for selecting a multimedia image to be projected from the multimedia content providing system according to the information obtained by the perception system; the light projection system is used for receiving the multimedia images from the interactive control system and projecting the multimedia images around the vehicle.
Furthermore, the perception system is also used for detecting the conditions of the road surface and the vertical surface around the vehicle, the interactive control system determines the projectable area of the multimedia image according to the detection information of the perception system, and the light projection system projects the multimedia image to the projectable area.
Further, the sensing system comprises a sensing unit and an information acquisition unit; the sensing unit comprises an infrared camera, a visible light camera or a near-infrared camera for detecting the road surface and the vertical surface conditions around the vehicle; and the signal output end of the infrared camera or the visible light camera or the near-infrared camera is connected to the signal input end of the information acquisition unit.
Further, the interactive control system comprises an interactive control unit and an image generation unit; the interaction control unit is used for determining a projectable area of the multimedia image according to the detection information of the perception system; the image generation unit is used for generating a multimedia image to be projected into a corresponding projection image according to the type of the projectable area.
Furthermore, the light projection system comprises an image analysis unit, an array LED controller, an array LED and a projection module optical-mechanical system; the image analysis unit is used for receiving the projected image and analyzing the gray value of each pixel of the projected image to generate a driving instruction which can be identified by the array LED controller, the array LED controller responds to the driving instruction transmitted by the image analysis unit to control the on/off and the gray value of each pixel of the array LED, the array LED executes the on/off and the gray value of each pixel according to the driving instruction, and the projection module optical-mechanical system projects the on/off and the gray value of the array LED.
The vehicle light supplement system further comprises a light supplement unit, and the light supplement unit is suitable for performing irradiation light supplement on the periphery of the vehicle when the ambient light is dark.
The invention provides a rear vehicle collision-free interactive early warning method in a second aspect, which comprises the following steps: (1) acquiring a running state and a projection function triggering state of a vehicle; (2) selecting a multimedia image to be projected according to the running state of the vehicle and the projection function triggering state; (3) and projecting the multimedia image around the vehicle.
Further, in the step (1), the road surface and the vertical surface conditions around the vehicle are also obtained; in the step (2), a projectable area of the multimedia image is determined according to the road surface and the facade conditions around the vehicle; in the step (3), the multimedia image is projected to the projectable region.
Further, in the step (3), distortion adjustment of the projection image is performed for different projection positions.
A third aspect of the present invention provides a vehicle, comprising the multimedia image projection system according to any one of the first aspects, and adapted to perform the multimedia image projection method according to any one of the second aspects by using the multimedia image projection system.
Through the technical scheme of the invention, the multimedia images are projected to different positions near the vehicle body through the projection type light, so that very humanized human-vehicle interaction experience and unexpected surprise are given to vehicle users, the entertainment effect of the vehicle is fully excavated, and the driving pleasure of the users is greatly improved.
Additional features and advantages of embodiments of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention without limiting the embodiments of the invention. In the drawings:
FIG. 1 is a functional block diagram of an embodiment of the system of the present invention;
FIG. 2 is a schematic block diagram of yet another embodiment of the system of the present invention;
FIG. 3 is a schematic view of a horizontal roadway projection in accordance with one embodiment of the present system/method;
FIG. 4 is a schematic view of a vertical elevation projection of an embodiment of the system/method of the present invention;
FIG. 5 is a first schematic diagram of a multimedia image projected according to an embodiment of the system/method of the present invention;
FIG. 6 is a second schematic view of a multimedia image projected according to an embodiment of the system/method of the present invention;
FIG. 7 is a third schematic view of a multimedia image projected according to an embodiment of the system/method of the present invention;
FIG. 8 is a schematic view of a light projection system according to an embodiment of the system/method of the present invention;
FIG. 9 is a schematic diagram of an array LED configuration in accordance with one embodiment of the present system/method;
FIG. 10 is a first schematic diagram illustrating an image display of an array LED according to an embodiment of the system/method of the present invention;
FIG. 11 is a second schematic diagram illustrating an image display of an array LED according to an embodiment of the system/method of the present invention;
FIG. 12 is a third schematic diagram illustrating an image display of an array LED according to an embodiment of the system/method of the present invention;
FIG. 13 is a flowchart of an embodiment of a method of the present invention.
Description of the reference numerals
A multimedia content providing system 1; a multimedia content generating unit 1.1; a multimedia content storage unit 1.2; a sensing system 2; a sensing unit 2.1; an information acquisition unit 2.2; an interactive control system 3; an interaction control unit 3.1; an image generation unit 3.2; a light projection system 4; a hardware circuit board 4-1; an image analysis unit 4.1; an array LED controller 4.2; an array LED 4.3; 4.3-1 of an array LED luminous surface; an array LED packaging structure 4.3.2; a projection module optical-mechanical system 4.4; 4.4-1 parts of a projection lens; a heat sink and mechanical mechanism portion 4.4-2; a projected multimedia image 5; the eye center 6 of the vehicle driver; a horizontal road surface 7; a vehicle windshield 8; a vehicle body 9; vertical facade 10.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the invention, are given by way of illustration and explanation only, not limitation.
As shown in fig. 1, an embodiment of the projection system of multimedia images of the present invention includes a multimedia content providing system 1, a perception system 2, an interactive control system 3 and a light projection system 4; the system comprises a multimedia content providing system 1, a perception system 2, an interactive control system 3 and a display system, wherein the multimedia content providing system 1 is used for providing multimedia images, and the perception system 2 is used for acquiring the running state and the projection function triggering state of a vehicle and transmitting the information to the interactive control system 3; the interactive control system 3 is used for selecting multimedia images to be projected from the multimedia content providing system 1 according to the information obtained by the perception system 2, and the light projection system 4 is used for receiving the multimedia images from the interactive control system 3 and projecting the multimedia images around the vehicle. Specifically, the multimedia presentation includes at least one of a video and an image.
In an embodiment of the projection system of multimedia images according to the present invention, as shown in fig. 5-6, the multimedia images may be texts "welcome home", "happy birthday" in image form, as shown in fig. 7, or a combination of texts and graphics "LOVE + LOVE pattern" in image form, and these multimedia images are stored in the multimedia content providing system 1. As shown in fig. 3, the eye center 6 of the driver is located near the center of a horizontal road surface 7 of a certain lane, the rectangular frame part is a vehicle windshield 8, the vehicle body 9 occupies the horizontal road surface 7, and the sensing system 2 acquires information such as the driving state of the vehicle and the triggering state of the projection function and transmits the information to the interactive control system 3; the interactive control system 3 judges whether the vehicle is in a running state and whether a projection function is started according to the running state and the projection function triggering state of the vehicle, if the vehicle is in a non-running state and the projection function is started, a multimedia image to be projected is selected from the multimedia content providing system 1, in this case, an image 5 of 'welcome home' is selected, and the light projection system 4 receives the image 5 from the interactive control system 3 and projects the image to the center of a horizontal road surface 7. The use scene of the image 5 of "welcome home" can be that the owner feels warm when going home on the way of the owner, and has high-end driving experience on the other hand. The image of happy birthday can be automatically projected according to the presetting when the vehicle owner is on birthday, so that the vehicle is humanized, and the driving experience is improved. The LOVE + LOVE pattern can be automatically projected according to the presetting on special dates such as married commemorative days of car owners, so that the car is humanized, and the driving experience is improved.
In an embodiment of the projection system of the multimedia image according to the present invention, the sensing system 2 is further configured to detect road and facade conditions around the vehicle, the interactive control system 3 determines a projectable area of the multimedia image according to the detection information of the sensing system, and the light projection system 4 projects the multimedia image onto the projectable area. As shown in fig. 4, the sensing system 2 detects that there is a vertical facade 10 around the vehicle, and the image 5 may be projected onto the vertical facade 10.
As shown in fig. 2, in an embodiment of the projection system of multimedia images of the present invention, the multimedia content providing system 1 includes a multimedia content generating unit 1.1 and a multimedia content storage unit 1.2, the sensing system 2 includes a sensing unit 2.1 and an information collecting unit 2.2, the sensing unit 2.1 includes a camera for detecting the road surface and the vertical surface around the vehicle, the camera may adopt a visible light camera, and for the convenience of night detection, the camera may also adopt modules such as an infrared camera or a near-infrared camera; the information acquisition Unit 2.2 acquires detection information of the camera on one hand, and on the other hand, extracts vehicle driving state and projection function trigger state information from an Electronic Control Unit (ECU) through an in-vehicle communication bus and transmits the information to the interactive Control system 3; the interactive control system 3 comprises an interactive control unit 3.1 and an image generation unit 3.2, the interactive control unit 3.1 judges the driving state and the projection function triggering state of the vehicle according to the information transmitted by the information acquisition unit 2.2, further determines whether the projectable area is a horizontal road surface 7 or a vertical facade 10 under the condition that the vehicle is in a non-driving state and the projection function is started, and the image generation unit 3.2 generates different projection images according to different projection areas, namely, if the projection images are projected to the horizontal road surface 7, the horizontal projection images are generated, and if the projection images are projected to the vertical facade 10, the vertical projection images are generated. The light projection system 4 comprises an image analysis unit 4.1, an array LED controller 4.2, an array LED4.3 and a projection module optical-mechanical system 4.4, wherein the image analysis unit 4.1 is configured to receive a projection image sent by the image generation unit 3.2 and analyze a gray value of each pixel therein to generate a driving instruction recognizable by the array LED controller 4.2, the array LED controller 4.2 responds to the driving instruction transmitted by the image analysis unit 4.1 to control the on/off and gray level of each pixel of the array LED4.3, the array LED4.3 executes the on/off and gray level of each pixel according to the driving instruction, and the projection module optical-mechanical system 4.4 projects the on/off and gray level of the array LED4.3 to a horizontal road surface 7 or a vertical facade 10.
As shown in fig. 8, the hardware structure of the light projection system 4 includes a heat sink and mechanical mechanism portion 4.4-2 of the optical-mechanical projection system, a projection lens 4.4-1, and a light projection system hardware circuit board 4-1, where the light projection system hardware circuit board 4-1 is a hardware carrying unit of the image analysis unit 4.1, the array LED controller 4.2, and the power driving module; the array LED4.3 is connected to the hardware circuit board 4-1 of the light projection system, and is an array-arranged or array-packaged LED active light source capable of controlling the individual on/off and gray scale of each pixel, as shown in fig. 9, the array LED4.3 includes an array LED light emitting surface 4.3-1 and an array LED package structure 4.3-2, as shown in fig. 10-12, and three projection images are displayed on the array LED light emitting surface 4.3-1. Of course, the displayable images are not limited to these, and the brightness, shape, etc. can be adjusted according to the actual needs, and the distortion of the images can be adjusted according to the difference of the projection area.
In an embodiment of the projection system of multimedia images, the projection system further includes a light supplement unit, the light supplement unit is connected to the sensing unit 2.1, and when the ambient light is dark, such as at night, the light supplement unit is started to supplement light for the irradiation around the vehicle, and then the sensing unit 2.1 performs detection, so as to improve the accuracy of detection on the road surface and the vertical surface.
As shown in fig. 13, an embodiment of the method for projecting a multimedia image according to the present invention includes the following steps: s101, judging whether the vehicle is in a non-driving state, if so, continuing to step S102, and if not, repeating the step; s102, judging whether a projection function is started, if so, continuing to step S103, otherwise, turning to step S103; s103, selecting projection content and a projection position, and continuing to step S104; s104, projecting the selected content at the selected position, adjusting the distortion of the projected image according to different projection positions, and then turning to the step S101 to start the next cycle; s105 projects a default light show and then goes to step S101 to start the next cycle.
In an embodiment of the vehicle of the present invention, any embodiment of the multimedia image projection system of the present invention can be included, and any embodiment of the multimedia image projection method of the present invention can be performed, and the technical effects and advantages of any embodiment are provided, and are not described herein again.
The various images may have dynamic display effects such as fade-in, fade-out, flicker, slide-in and slide-out, etc., for the visual senses of soft drivers and other traffic participants.
The various multimedia images are all really projected on the road surface or the vertical surface, and have strong driving experience.
Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the embodiments of the present invention are not limited to the details of the above embodiments, and various simple modifications can be made to the technical solutions of the embodiments of the present invention within the technical idea of the embodiments of the present invention, and the simple modifications all belong to the protection scope of the embodiments of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention do not describe every possible combination.
In addition, any combination of various different implementation manners of the embodiments of the present invention is also possible, and the embodiments of the present invention should be considered as disclosed in the embodiments of the present invention as long as the combination does not depart from the spirit of the embodiments of the present invention.
Claims (10)
1. A projection system of multimedia images is characterized by comprising a multimedia content providing system, a perception system, an interactive control system and a light projection system;
the multimedia content providing system is used for providing multimedia images;
the sensing system is used for acquiring a running state and a projection function triggering state of the vehicle;
the interactive control system is used for selecting a multimedia image to be projected from the multimedia content providing system according to the information obtained by the perception system;
the light projection system is used for receiving the multimedia images from the interactive control system and projecting the multimedia images around the vehicle.
2. The system for projecting multimedia images according to claim 1, wherein the sensing system is further configured to detect road and facade conditions around the vehicle, the interactive control system determines a projectable region of the multimedia image according to the detection information of the sensing system, and the light projection system projects the multimedia image onto the projectable region.
3. The system of claim 2, wherein the sensing system comprises a sensing unit and an information collecting unit;
the sensing unit comprises an infrared camera, a visible light camera or a near-infrared camera for detecting the road surface and the vertical surface conditions around the vehicle;
and the signal output end of the infrared camera or the visible light camera or the near-infrared camera is connected to the signal input end of the information acquisition unit.
4. The system of claim 3, wherein the interactive control system comprises an interactive control unit and an image generation unit;
the interaction control unit is used for determining a projectable area of the multimedia image according to the detection information of the perception system;
the image generation unit is used for generating a multimedia image to be projected into a corresponding projection image according to the type of the projectable area.
5. The projection system of claim 4, wherein the light projection system comprises an image analysis unit, an array LED controller, an array LED and a projection module optical-mechanical system;
the image analysis unit is used for receiving the projected image and analyzing the gray value of each pixel of the projected image to generate a driving instruction which can be identified by the array LED controller, the array LED controller responds to the driving instruction transmitted by the image analysis unit to control the on/off and the gray value of each pixel of the array LED, the array LED executes the on/off and the gray value of each pixel according to the driving instruction, and the projection module optical-mechanical system projects the on/off and the gray value of the array LED.
6. The system of any one of claims 2-5, further comprising a fill-in light unit, wherein the fill-in light unit is adapted to fill in light for illuminating the surroundings of the vehicle when the ambient light is dark.
7. A projection method of multimedia images is characterized by comprising the following steps:
(1) acquiring a running state and a projection function triggering state of a vehicle;
(2) selecting a multimedia image to be projected according to the running state of the vehicle and the projection function triggering state;
(3) and projecting the multimedia image around the vehicle.
8. The method for projecting multimedia video according to claim 7, wherein in the step (1), road and facade conditions around the vehicle are also obtained; in the step (2), a projectable area of the multimedia image is determined according to the road surface and the facade conditions around the vehicle; in the step (3), the multimedia image is projected to the projectable region.
9. The method for projecting multimedia video according to claim 8, wherein in the step (3), distortion adjustment of the projected image is performed for different projection positions.
10. A vehicle comprising a multimedia image projection system according to any one of claims 1 to 6 and adapted to perform the multimedia image projection method according to any one of claims 7 to 9 by means of said multimedia image projection system.
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| CN202010131382.7A CN111347969A (en) | 2020-02-28 | 2020-02-28 | Projection system and method of multimedia image and vehicle |
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| CN111754759A (en) * | 2020-07-10 | 2020-10-09 | 苏州马尔萨斯文化传媒有限公司 | Intelligent wedding celebration service method and system based on unmanned vehicle fleet |
| CN111914081A (en) * | 2020-08-07 | 2020-11-10 | 华人运通(上海)云计算科技有限公司 | Text display method, device, system, equipment and storage medium |
| CN111984802A (en) * | 2020-08-07 | 2020-11-24 | 华人运通(上海)云计算科技有限公司 | Display control method, device, system, equipment and storage medium |
| CN114838324A (en) * | 2022-04-29 | 2022-08-02 | 浙江吉利控股集团有限公司 | Vehicle headlight system and vehicle |
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| CN114838324B (en) * | 2022-04-29 | 2024-05-03 | 浙江吉利控股集团有限公司 | Vehicle headlight system and vehicle |
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