CN218907072U - Electronic rearview mirror system and intelligent automobile - Google Patents
Electronic rearview mirror system and intelligent automobile Download PDFInfo
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- CN218907072U CN218907072U CN202222805653.XU CN202222805653U CN218907072U CN 218907072 U CN218907072 U CN 218907072U CN 202222805653 U CN202222805653 U CN 202222805653U CN 218907072 U CN218907072 U CN 218907072U
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Abstract
The utility model discloses an electronic rearview mirror system and an intelligent automobile, and relates to the field of intelligent automobiles. The electronic rearview mirror system includes: the device comprises a camera assembly, a video conversion device, a controller and a display device; wherein: the camera component is electrically connected with the video conversion device and performs data interaction with the video conversion device; the video conversion device is respectively and electrically connected with the controller and the display device, and respectively performs data interaction with the controller and the display device. Therefore, the electronic rearview mirror system has flexible and dispersed calculation force, and can simultaneously realize low-delay image transmission and active safety functions such as auxiliary blind area monitoring, pedestrian detection, obstacle recognition and the like at low cost.
Description
[ field of technology ]
The utility model relates to the field of intelligent automobiles, in particular to an electronic rearview mirror system and an intelligent automobile.
[ background Art ]
At present, the functions of the intelligent automobile are stronger and larger, the intelligent degree is higher and higher, and the intelligent automobile has become a great characteristic of the intelligent automobile. The electronic rearview mirror system (Camera Monitor System, CMS) is an intelligent component of the intelligent automobile, is a product combination based on a camera and a display, can enhance visual perception of a driver on the periphery and the side rear of the automobile, and further enhances driving safety and comfort.
Compared with the traditional automobile glass outer rearview mirror, the electronic rearview mirror system has the advantages of being personalized in appearance, reducing automobile wind resistance, improving visual effects of low-illumination rain and fog weather and the like. For electronic rear view mirror systems, the following two key requirements must be contained: 1. one of the key indicators of electronic rearview mirror systems is low latency in image imaging and transmission, which is required by regulatory standards to be less than 200ms, but the smaller the transmission latency the better for the user. 2. In addition to low-delay image display, the electronic rearview mirror is generally required to realize active safety functions such as auxiliary blind area monitoring, pedestrian detection and the like along with development of image recognition and automatic driving related software and hardware. The System On Chip (SOC) is a key component of the electronic rearview mirror System, and is high in requirements, the SOC is generally required to be used for image processing, low-delay transmission and display can be achieved, the SOC plays a key role in image processing, algorithm identification and judgment of the whole electronic rearview mirror System, a low-performance processor is low in cost, but the low-performance SOC is difficult to meet the requirements of the electronic rearview mirror System, high cost is necessarily brought to the high-performance SOC, the requirements of production cost control are difficult to meet, and user experience is reduced.
Therefore, it is necessary to provide a new electronic rearview mirror system to solve the problem that the current electronic rearview mirror system cannot simultaneously meet the requirements of low-delay image transmission and realization of active safety functions such as auxiliary blind area monitoring and pedestrian detection at low cost.
[ utility model ]
The embodiment of the utility model aims to provide an electronic rearview mirror system and an intelligent automobile, and aims to solve the problem that the existing electronic rearview mirror system cannot simultaneously meet the requirements of low-delay image transmission and realization of active safety functions such as auxiliary blind area monitoring, pedestrian detection and the like at low cost.
To solve the above technical problem, an embodiment of a first aspect of the present utility model provides an electronic rearview mirror system, which is applied to an intelligent automobile, and includes: the device comprises a camera assembly, a video conversion device, a controller and a display device; wherein:
the camera component is electrically connected with the video conversion device and performs data interaction with the video conversion device;
the video conversion device is respectively and electrically connected with the controller and the display device, and respectively performs data interaction with the controller and the display device.
Optionally, the camera component is mounted on an automobile body of the intelligent automobile; the camera assembly comprises a first camera, a second camera, a third camera and a fourth camera; wherein:
the first camera is arranged at the position of an in-car rearview mirror of the intelligent automobile cab and is used for acquiring a real-time image in front of the intelligent automobile, forming a front image data stream and transmitting the front image data stream to the video conversion device in a first preset connection mode;
the second camera is arranged at the position of a left rearview mirror outside the intelligent automobile body and is used for acquiring a blind area real-time image of the left side of the intelligent automobile, forming a left blind area image data stream and transmitting the left blind area image data stream to the video conversion device in a first preset connection mode;
the third camera is arranged at the position of a right rearview mirror outside the intelligent automobile body and is used for acquiring a dead zone real-time image on the right side of the intelligent automobile, forming a right dead zone image data stream and transmitting the right dead zone image data stream to the video conversion device in a first preset connection mode;
the fourth camera is arranged at the rear position outside the intelligent automobile body and used for acquiring real-time images of the rear of the intelligent automobile, forming rear image data streams and transmitting the rear image data streams to the video conversion device in a first preset connection mode.
Optionally, the electronic rearview mirror system further comprises a housing, and the housing is arranged in the inner space of the cab of the intelligent automobile.
Optionally, the video conversion device is mounted inside the housing;
the video conversion device is used for dividing the image data stream input by the camera component into two parts, namely a first part of image data stream and a second part of image data stream, wherein the first part of image data stream is transmitted to the controller; the second partial image data stream is transmitted to the display device with low latency.
Optionally, the video conversion device includes: a front image data stream input interface, a left image data stream input interface, a right image data stream input interface, a rear image data stream input interface, an image data stream conversion module, a first part image data stream output interface, a second part image data stream output interface and an operation result input interface; wherein:
the front image data stream input interface is electrically connected with the first camera in a first preset connection mode and is used for receiving the front image data stream transmitted by the first camera;
the left image data stream input interface is electrically connected with the second camera in a first preset connection mode and is used for receiving left blind area image data streams transmitted by the second camera;
the right image data stream input interface is electrically connected with the third camera in a first preset connection mode and is used for receiving the right blind area image data stream transmitted by the third camera;
the rear image data stream input interface is electrically connected with the fourth camera through a first preset connection mode and is used for receiving the rear image data stream transmitted by the fourth camera;
the image data stream conversion module is electrically connected with the front image data stream input interface, the left image data stream input interface, the right image data stream input interface and the rear image data stream input interface respectively, and is used for performing splicing processing on the received front image data stream, left blind area image data stream, right blind area image data stream and/or rear image data stream to obtain a spliced image data stream, and dividing the spliced image data stream into two parts, namely a first part of image data stream and a second part of image data stream;
the first partial image data stream output interface is electrically connected with the controller in a second preset connection mode and is used for transmitting the first partial image data stream to the controller;
the second partial image data stream output interface is electrically connected with the display device through a third preset connection mode and is used for transmitting the second partial image data stream to the display device in a low-delay manner;
the operation result input interface is electrically connected with the controller through a fourth preset connection mode and is used for receiving an operation result returned to the video conversion device by the controller through the preset fourth connection mode.
Optionally, the controller is mounted inside the housing.
Optionally, the controller includes a first partial image data stream input interface, a control module, and an operation result output interface; wherein:
the first partial image data stream input interface is electrically connected with the first partial image data stream output interface in a preset second connection mode and is used for receiving a second partial image data stream output through the first partial image data stream output interface;
the control module is electrically connected with the first partial image data stream input interface and is used for operating the first partial image data stream, and blind area monitoring, pedestrian detection and obstacle recognition are carried out through image recognition to obtain an operation result.
The operation result output interface is respectively and electrically connected with the control module and the operation result input interface of the video conversion device, and is used for returning the operation result to the video conversion device through a preset fourth connection mode.
Optionally, the video conversion device receives the operation result fed back by the controller, superimposes the operation result on the second part of image data stream in a screen display mode, and transmits the second part of image data stream to the display device in a third preset connection mode with low delay.
Optionally, the display device includes a second partial image data stream input interface and a display screen, wherein:
the second partial image data stream input interface is electrically connected with the second partial image data stream output interface in a preset third connection mode and is used for receiving a second partial image data stream output through the second partial image data stream output interface;
the display screen is electrically connected with the second partial image data stream input interface and is used for displaying the second partial image data stream received by the second partial image data stream input interface.
Accordingly, a second aspect of the present utility model provides an intelligent automobile, which includes the electronic rearview mirror system and an automobile body according to the first aspect of the present utility model, where the electronic rearview mirror system is installed on the automobile body, and the electronic rearview mirror system is configured to acquire a real-time image of a periphery of the automobile body, and perform blind area monitoring, pedestrian detection, obstacle recognition and display on the automobile body through image recognition.
Compared with the prior art, the electronic rearview mirror system and the intelligent automobile provided by the embodiment of the utility model comprise a camera component, a video conversion device, a controller and a display device; wherein: the camera component is electrically connected with the video conversion device and performs data interaction with the video conversion device; the video conversion device is respectively and electrically connected with the controller and the display device, and respectively performs data interaction with the controller and the display device. Therefore, the electronic rearview mirror system realizes extremely low system delay and can optimize user experience; the cost of the video conversion device is about one tenth of that of a general system-on-chip scheme, and the cost is low; the power calculating unit for realizing image recognition (blind area, pedestrian and obstacle detection) is very flexible, and a general controller is used without using special system-on-chip components, so that the electronic rearview mirror system has the advantages of flexible power calculation dispersion, low-cost realization of low-delay image transmission and realization of active safety functions such as auxiliary blind area monitoring, pedestrian detection and obstacle recognition. Therefore, the problem that the current electronic rearview mirror system cannot simultaneously meet the requirements of low-delay image transmission, auxiliary blind area monitoring, pedestrian detection and other active safety functions at low cost can be solved.
[ description of the drawings ]
FIG. 1 is a schematic view of an electronic rearview mirror system according to the present utility model;
FIG. 2 is a schematic view of a camera module in an electronic rearview mirror system according to the present utility model;
FIG. 3 is a schematic diagram showing interaction of a video conversion device, a camera assembly, a display device and a controller in an electronic rearview mirror system provided by the utility model;
FIG. 4 is a schematic diagram of the interaction of a controller and a video conversion device in an electronic rearview mirror system according to the present utility model;
FIG. 5 is a schematic diagram showing interaction between a display device and a video conversion device in an electronic rearview mirror system according to the present utility model;
fig. 6 is a schematic structural diagram of an intelligent automobile provided by the utility model.
Description of main reference numerals:
camera assembly 11 of electronic rearview mirror system 1
First camera 111 111 second camera 112 112
Third camera 113 113 fourth camera 114 114
Front image data stream input interface SI1 left image data stream input interface SI2
Image data stream input interface SI4 behind right image data stream input interface SI3
Operation result input interface SI5 first partial image data stream output interface SO1
Second partial image data stream output interface SO2 controller 13
First partial image data stream input interface CI of control module 131
Operation result output interface CO display device 14
Second portion image data stream input interface PI of display screen 141
[ detailed description ] of the utility model
In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "electrically connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "upper," "lower," "inner," "outer," "bottom," and the like as used in this specification are used in an orientation or positional relationship based on that shown in the drawings, merely to facilitate the description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.
In addition, the technical features mentioned in the different embodiments of the utility model described below can be combined with one another as long as they do not conflict with one another.
In one embodiment, as shown in fig. 1, the present utility model provides an electronic rear view mirror system applied to a smart car, the electronic rear view mirror system 1 comprising: a camera assembly 11, a video conversion device 12, a controller 13, and a display device 14; wherein:
the camera component 11 is electrically connected with the video conversion device 12 and performs data interaction with the video conversion device 12;
the video conversion device 12 is electrically connected with the controller 13 and the display device 14, and performs data interaction with the controller 13 and the display device 14.
In this embodiment, an electronic rearview mirror system is provided that includes a camera assembly, a video conversion device, a controller, and a display device; wherein: the camera component is electrically connected with the video conversion device and performs data interaction with the video conversion device; the video conversion device is respectively and electrically connected with the controller and the display device, and respectively performs data interaction with the controller and the display device. Therefore, the electronic rearview mirror system realizes extremely low system delay and can optimize user experience; the cost of the video conversion device is about one tenth of that of a general system-on-chip scheme, and the cost is low; the power calculating unit for realizing image recognition (blind area, pedestrian and obstacle detection) is very flexible, and a general controller is used without using special system-on-chip components, so that the electronic rearview mirror system has the advantages of flexible power calculation dispersion, low-cost realization of low-delay image transmission and realization of active safety functions such as auxiliary blind area monitoring, pedestrian detection and obstacle recognition. Therefore, the problem that the current electronic rearview mirror system cannot simultaneously meet the requirements of low-delay image transmission, auxiliary blind area monitoring, pedestrian detection and other active safety functions at low cost can be solved.
In one embodiment, the camera module 11 is electrically connected to the video conversion device 12, and performs data interaction with the video conversion device 12.
Specifically, the camera assembly 11 is installed on an automobile body of the intelligent automobile, and is electrically connected with the video conversion device 12 through a first preset connection mode; the camera assembly 11 is used for acquiring real-time images of the periphery of the intelligent automobile, and forming an image data stream to be transmitted to the video conversion device 12.
As shown in fig. 2, 3 and 6, the camera assembly 11 includes a first camera 111, a second camera 112, a third camera 113 and a fourth camera 114; wherein:
the first camera 111 is disposed at a position of a rearview mirror (a point a shown in fig. 6) or a position of a front bumper (B point B shown in fig. 6) in a cab of the intelligent automobile, and a lens direction of the first camera 111 is directed to a front of the intelligent automobile, so as to obtain a real-time image of the front of the intelligent automobile, form a front image data stream, and transmit the front image data stream to the video conversion device 12 in a first preset connection manner, so that the controller 13 performs human detection and front obstacle recognition.
The second camera 112 is disposed at a left rearview mirror position (point C shown in fig. 6) outside the intelligent automobile body, and a lens direction of the second camera 112 is directed obliquely downward, so as to obtain a dead zone real-time image on the left side of the intelligent automobile, form a left dead zone image data stream, and transmit the left dead zone image data stream to the video conversion device 12 in a first preset connection manner, so that the controller 13 performs dead zone detection and left obstacle recognition.
The third camera 113 is disposed at a position of a right rearview mirror outside the intelligent automobile body, and a lens direction of the third camera 113 is directed to an obliquely lower direction, so as to obtain a dead zone real-time image on the right side of the intelligent automobile, form a right dead zone image data stream, and transmit the right dead zone image data stream to the video conversion device 12 in a first preset connection mode, so that the controller 13 performs dead zone detection and right obstacle recognition.
The fourth camera 114 is disposed at a rear position outside the intelligent vehicle body, and a lens direction of the fourth camera 114 is directed to a rear of the intelligent vehicle, and is used for acquiring a real-time image of the rear of the intelligent vehicle, forming a rear image data stream, and transmitting the rear image data stream to the video conversion device 12 through a first preset connection mode, so that the controller 13 performs human detection and rear obstacle recognition. The rear position outside the intelligent automobile body comprises a rear roof position (E point shown in fig. 6), a rear trunk (D point shown in fig. 6) or a rear bumper (D point shown in fig. 6).
The first preset connection mode comprises SerDes connection or HDMI connection.
SerDes is an abbreviation of Serializer/Deserializer, i.e., serializer and Deserializer, is a device that converts parallel data into serial data for transmission, and converts received serial data into parallel data for high-speed transmission.
HDMI (High Definition Multimedia Interface ) is a fully digital video and audio transmission interface that can transmit uncompressed audio and video signals. HDMI can be used for set top boxes, DVD players, personal computers, televisions, game consoles, combination expansion machines, digital audio and television sets, and other devices. HDMI can send audio frequency and video signal simultaneously, because audio frequency and video signal adopt same wire rod, simplify the installation degree of difficulty of system's circuit.
Preferably, the camera component is electrically connected with the video conversion device through a SerDes for data transmission.
In one embodiment, the electronic rear view mirror system further comprises a housing (not shown) disposed in the interior space of the cab of the smart car 2.
Preferably, the housing can be fixedly mounted by means of a glue or screw on a specific location in the cab of the smart car, which does not prevent safe driving by the driver, for example in the interior space of the steering gear, in the interior space below the center console or in the passenger-side storage compartment.
Preferably, the housing is a cuboid.
Further, the electronic rear view mirror system 1 further comprises a printed circuit board (Printed Circuit Board, PCB) (not shown) fixedly mounted inside the housing.
In one embodiment, the video conversion device 12 is electrically connected to the controller 13 and the display device 14, and performs data interaction with the controller 13 and the display device 14, respectively.
Specifically, the video conversion device 12 is mounted inside the housing. Preferably, the video conversion device 12 is mounted on the printed circuit board.
The video conversion device 12 is electrically connected to the camera assembly 11, the controller 13, and the display device 14, and is configured to divide an image data stream input by the camera assembly 11 into a first partial image data stream and a second partial image data stream, where the first partial image data stream is transmitted to the controller 13 for performing operations of blind area monitoring, pedestrian detection, and obstacle recognition. The second partial image data stream is transmitted to the display device 14 for image display with low latency.
As shown in fig. 3, the video conversion apparatus 12 includes: a front image data stream input interface SI1, a left image data stream input interface SI2, a right image data stream input interface SI3, a rear image data stream input interface SI4, an image data stream conversion module 121, a first partial image data stream output interface SO1, a second partial image data stream output interface SO2, and an operation result input interface SI5; wherein:
the front image data stream input interface SI1 is electrically connected to the first camera 111 of the camera assembly 11 through a first preset connection mode, and is configured to receive a front image data stream transmitted by the first camera 111.
The left image data stream input interface SI2 is electrically connected to the second camera 112 of the camera assembly 11 through a first preset connection manner, and is configured to receive a left blind area image data stream transmitted by the second camera 112.
The right image data stream input interface SI3 is electrically connected to the third camera 113 of the camera assembly 11 through a first preset connection manner, and is configured to receive a right blind area image data stream transmitted by the third camera 113.
The rear image data stream input interface SI4 is electrically connected to the fourth camera 114 of the camera assembly 11 through a first preset connection manner, and is configured to receive a rear image data stream transmitted by the fourth camera 114.
The image data stream conversion module 121 is electrically connected to the front image data stream input interface SI1, the left image data stream input interface SI2, the right image data stream input interface SI3, and the rear image data stream input interface SI4, respectively, and is configured to perform a stitching process on the received front image data stream, left blind area image data stream, right blind area image data stream, and/or rear image data stream, to obtain a stitched image data stream, and divide the stitched image data stream into two parts, namely a first part image data stream and a second part image data stream.
The first partial image data stream output interface SO1 is electrically connected with the controller 13 through a second preset connection mode, and is used for transmitting the first partial image data stream to the controller 13 for performing operations of blind area monitoring, pedestrian detection and obstacle recognition.
The second partial image data stream output interface SO2 is electrically connected to the display device 14 through a third preset connection mode, and is configured to transmit the second partial image data stream to the display device 14 with low delay for image display.
The operation result input interface SI5 is electrically connected to the controller 13 through a fourth preset connection mode, and is configured to receive an operation result returned by the controller 13 to the video conversion device 12 through a preset fourth connection mode.
The second preset connection mode includes a SerDes connection, an HDMI connection, or an I2C connection.
The I2C (Inter-Integrated Circuit, internal integrated circuit) bus is a simple, bi-directional synchronous serial bus developed by Philips corporation. It requires only two wires to transfer information between devices connected to the bus. The master is used to initiate bus transfer of data and generate a clock to open the transferred devices, any addressed device being considered a slave. The relationship of master and slave, transmit and receive on the bus is not constant but depends on the direction of data transfer at this time. If the host computer is to send data to the slave device, the host computer firstly addresses the slave device, then actively sends the data to the slave device, and finally the host computer terminates the data transmission; if the host is to receive data from the slave, the slave is addressed by the master first, then the host receives data sent from the slave, and finally the host terminates the receiving process. In this case, the host is responsible for generating the timing clock and terminating the data transfer.
Preferably, the video conversion device 12 is electrically connected to the controller through SerDes and/or SPI for data transmission.
The third preset connection mode comprises LVDS connection.
The fourth preset connection mode comprises SPI connection or I2C connection. Preferably, the video conversion device 12 is electrically connected to the controller through the SPI for data transmission.
SPI (Serial Peripheral Interface ) is a high-speed, full duplex, synchronous communication bus, and occupies only four wires on the pins of the chip, saving space on the layout of the PCB, providing convenience, simplicity and ease of use, and more chips integrate such communication protocols.
LVDS (Low-Voltage Differential Signaling ) is a differential signaling technology with Low power consumption, low bit error rate, low crosstalk and Low radiation, the transmission technology can reach more than 155Mbps, the core of the LVDS technology is to adopt extremely Low voltage swing high-speed differential transmission data, point-to-point or point-to-multipoint connection can be realized, and the transmission medium can be copper PCB (printed circuit board) connection or balanced cable.
Preferably, the video conversion device 12 is a video conversion chip, and the video conversion chip is mounted on the printed circuit board.
In one embodiment, the controller 13 is electrically connected to the video conversion device 12, and performs data interaction with the video conversion device 12.
Specifically, the controller 13 is mounted inside the housing. Preferably, the controller 15 is mounted on the printed circuit board.
The controller 13 is electrically connected to the video conversion device 12 through a preset second connection mode, and is configured to perform operation according to the first partial image data stream transmitted by the video conversion device 12, perform blind area monitoring, pedestrian detection and obstacle recognition through image recognition, and return the operation result to the video conversion device 12 through the preset second connection mode.
As shown in fig. 4, the controller 13 includes a first partial image data stream input interface CI, a control module 131, and an operation result output interface CO; wherein:
the first partial image data stream input interface CI is electrically connected to the first partial image data stream output interface SO1 of the video conversion device 12 through a preset second connection manner, and is configured to receive a second partial image data stream output by the video conversion device 12 through the first partial image data stream output interface SO 1.
The control module 131 is electrically connected to the first partial image data stream input interface CI, and is configured to perform operation on the first partial image data stream, and perform blind area monitoring, pedestrian detection, and obstacle recognition through image recognition, to obtain an operation result.
The operation result output interface CO is electrically connected to the control module 131, and is configured to return the operation result to the video conversion device 12 through a preset fourth connection mode. Specifically, the operation result output interface CO is electrically connected to the control module 131 and the operation result input interface SI5 of the video conversion device 12, respectively, and is configured to return the operation result of the control module 131 to the operation result input interface SI5 of the video conversion device 12 through a preset fourth connection mode.
At this time, when the video conversion device 12 receives the operation result fed back by the controller 13, the operation result is superimposed on the second partial image data stream by using an on-screen display (On Screen Display, OSD), and the second partial image data stream is transmitted to the display device 14 for display in a low-delay manner through a third preset connection mode.
Preferably, the controller 14 is a System On Chip (SOC), also known as a System on Chip.
In one embodiment, the display device 14 is electrically connected to the video conversion device 12, and performs data interaction with the video conversion device 12.
Specifically, the display device 14 is electrically connected to the video conversion device 12 through a preset third connection manner, and is configured to receive and display the second partial image data stream output by the video conversion device 12 through the second partial image data stream output interface SO2 with low delay.
Further, if the video conversion device 12 receives the operation result fed back by the controller 13, the video conversion device 12 superimposes the operation result on the second partial image data stream with an on-screen display (On Screen Display, OSD), and transmits the second partial image data stream to the display device 14 for display with low delay through a third preset connection mode.
As shown in fig. 5, the display device 14 includes a second partial image data stream input interface PI and a display screen 141, wherein:
the second partial image data stream input interface PI is electrically connected to the second partial image data stream output interface SO2 of the video conversion device 12 through a preset third connection manner, and is configured to receive a second partial image data stream output by the video conversion device 12 through the second partial image data stream output interface SO 2.
The display screen 141 is electrically connected to the second partial image data stream input interface PI, and is configured to display the second partial image data stream received by the second partial image data stream input interface PI.
As an alternative embodiment, the display device 14 may be a display screen separately provided inside the intelligent automobile cab to facilitate viewing by the driver.
As an alternative embodiment, the display device 14 may also directly use a display screen controlled in the smart car to display, so as to facilitate viewing during driving.
Based on the same concept, in one embodiment, as shown in fig. 6, the present utility model further provides an intelligent automobile, where the intelligent automobile 300 includes the electronic rearview mirror system 1 and the automobile body 2 according to any of the above embodiments, the electronic rearview mirror system 1 is mounted on the automobile body 2, and the electronic rearview mirror system 1 is used for acquiring a real-time image of the periphery of the automobile body 2 of the intelligent automobile, and performing blind area monitoring, pedestrian detection and obstacle recognition and display on the automobile body through image recognition.
In this embodiment, the electronic rearview mirror system 1 is identical to the electronic rearview mirror system 1 described in any of the above embodiments, and specific structures and functions of the electronic rearview mirror system 1 described in any of the above embodiments may be referred to herein, and are not described in detail.
In this embodiment, by providing an intelligent automobile, the intelligent automobile comprises an electronic rearview mirror system and an automobile body, wherein the electronic rearview mirror system is installed on the automobile body, and the electronic rearview mirror system is used for acquiring real-time images of the periphery of the automobile body of the intelligent automobile, and performing blind area monitoring, pedestrian detection and obstacle recognition and display on the automobile body through image recognition; the electronic rearview mirror system comprises a camera component, a video conversion device, a controller and a display device; wherein: the camera component is electrically connected with the video conversion device and performs data interaction with the video conversion device; the video conversion device is respectively and electrically connected with the controller and the display device, and respectively performs data interaction with the controller and the display device. Therefore, the electronic rearview mirror system realizes extremely low system delay and can optimize user experience; the cost of the video conversion device is about one tenth of that of a general system-on-chip scheme, and the cost is low; the power calculating unit for realizing image recognition (blind area, pedestrian and obstacle detection) is very flexible, and a general controller is used without using special system-on-chip components, so that the electronic rearview mirror system has the advantages of flexible power calculation dispersion, low-cost realization of low-delay image transmission and realization of active safety functions such as auxiliary blind area monitoring, pedestrian detection and obstacle recognition. Therefore, the problem that the current electronic rearview mirror system cannot simultaneously meet the requirements of low-delay image transmission, auxiliary blind area monitoring, pedestrian detection and other active safety functions at low cost can be solved.
It should be noted that the above-mentioned intelligent automobile embodiment and the electronic rearview mirror system embodiment belong to the same concept, and specific implementation processes thereof are detailed in the electronic rearview mirror system embodiment, and technical features in the electronic rearview mirror system embodiment are correspondingly applicable in the intelligent automobile embodiment, which is not described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the utility model, the steps may be implemented in any order, and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. An electronic rearview mirror system for use in an intelligent vehicle, the electronic rearview mirror system comprising: the device comprises a camera assembly, a video conversion device, a controller and a display device; wherein:
the camera component is electrically connected with the video conversion device and performs data interaction with the video conversion device;
the video conversion device is respectively and electrically connected with the controller and the display device, and respectively performs data interaction with the controller and the display device.
2. The electronic rearview mirror system of claim 1, wherein said camera assembly is mounted to a vehicle body of a smart vehicle; the camera assembly comprises a first camera, a second camera, a third camera and a fourth camera; wherein:
the first camera is arranged at the position of an in-car rearview mirror of the intelligent automobile cab and is used for acquiring a real-time image in front of the intelligent automobile, forming a front image data stream and transmitting the front image data stream to the video conversion device in a first preset connection mode;
the second camera is arranged at the position of a left rearview mirror outside the intelligent automobile body and is used for acquiring a blind area real-time image of the left side of the intelligent automobile, forming a left blind area image data stream and transmitting the left blind area image data stream to the video conversion device in a first preset connection mode;
the third camera is arranged at the position of a right rearview mirror outside the intelligent automobile body and is used for acquiring a dead zone real-time image on the right side of the intelligent automobile, forming a right dead zone image data stream and transmitting the right dead zone image data stream to the video conversion device in a first preset connection mode;
the fourth camera is arranged at the rear position outside the intelligent automobile body and used for acquiring real-time images of the rear of the intelligent automobile, forming rear image data streams and transmitting the rear image data streams to the video conversion device in a first preset connection mode.
3. The electronic rearview mirror system of claim 2, further comprising a housing disposed within an interior space of a cab of the smart car.
4. An electronic rear view mirror system according to claim 3, wherein said video conversion means is mounted inside said housing;
the video conversion device is used for dividing the image data stream input by the camera component into two parts, namely a first part of image data stream and a second part of image data stream, wherein the first part of image data stream is transmitted to the controller; the second partial image data stream is transmitted to the display device with low latency.
5. The electronic rearview mirror system of claim 4, wherein said video conversion device comprises: a front image data stream input interface, a left image data stream input interface, a right image data stream input interface, a rear image data stream input interface, an image data stream conversion module, a first part image data stream output interface, a second part image data stream output interface and an operation result input interface; wherein:
the front image data stream input interface is electrically connected with the first camera in a first preset connection mode and is used for receiving the front image data stream transmitted by the first camera;
the left image data stream input interface is electrically connected with the second camera in a first preset connection mode and is used for receiving left blind area image data streams transmitted by the second camera;
the right image data stream input interface is electrically connected with the third camera in a first preset connection mode and is used for receiving the right blind area image data stream transmitted by the third camera;
the rear image data stream input interface is electrically connected with the fourth camera through a first preset connection mode and is used for receiving the rear image data stream transmitted by the fourth camera;
the image data stream conversion module is electrically connected with the front image data stream input interface 1, the left image data stream input interface, the right image data stream input interface and the rear image data stream input interface respectively, and is used for performing splicing processing on the received front image data stream, left blind area image data stream, right blind area image data stream and/or rear image data stream to obtain a spliced image data stream, and dividing the spliced image data stream into two parts, namely a first part of image data stream and a second part of image data stream;
the first partial image data stream output interface is electrically connected with the controller in a second preset connection mode and is used for transmitting the first partial image data stream to the controller;
the second partial image data stream output interface is electrically connected with the display device through a third preset connection mode and is used for transmitting the second partial image data stream to the display device in a low-delay manner;
the operation result input interface is electrically connected with the controller through a fourth preset connection mode and is used for receiving an operation result returned to the video conversion device by the controller through the preset fourth connection mode.
6. The electronic rearview mirror system of claim 5, wherein the controller is mounted inside the housing.
7. The electronic rearview mirror system of claim 6, wherein the controller comprises a first partial image data stream input interface, a control module, and an operation result output interface; wherein:
the first partial image data stream input interface is electrically connected with the first partial image data stream output interface in a preset second connection mode and is used for receiving a second partial image data stream output through the first partial image data stream output interface;
the control module is electrically connected with the first partial image data stream input interface and is used for operating the first partial image data stream, and blind area monitoring, pedestrian detection and obstacle recognition are carried out through image recognition to obtain an operation result;
the operation result output interface is respectively and electrically connected with the control module and the operation result input interface of the video conversion device, and is used for returning the operation result to the video conversion device through a preset fourth connection mode.
8. The electronic rearview mirror system according to claim 7, wherein the video conversion device receives the operation result fed back by the controller, superimposes the operation result on the second partial image data stream in a screen display manner, and transmits the second partial image data stream to the display device in a third preset connection manner with low delay.
9. The electronic rear view mirror system according to claim 5 or 8, wherein said display device comprises a second partial image data stream input interface and a display screen, wherein:
the second partial image data stream input interface is electrically connected with the second partial image data stream output interface in a preset third connection mode and is used for receiving a second partial image data stream output through the second partial image data stream output interface;
the display screen is electrically connected with the second partial image data stream input interface and is used for displaying the second partial image data stream received by the second partial image data stream input interface.
10. An intelligent automobile, characterized in that the intelligent automobile comprises the electronic rearview mirror system and an automobile body according to any one of claims 1 to 9, wherein the electronic rearview mirror system is installed on the automobile body and is used for acquiring real-time images of the periphery of the automobile body, and carrying out blind area monitoring, pedestrian detection and obstacle identification and display on the automobile body through image identification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202222805653.XU CN218907072U (en) | 2022-10-24 | 2022-10-24 | Electronic rearview mirror system and intelligent automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222805653.XU CN218907072U (en) | 2022-10-24 | 2022-10-24 | Electronic rearview mirror system and intelligent automobile |
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| Publication Number | Publication Date |
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| CN218907072U true CN218907072U (en) | 2023-04-25 |
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| CN202222805653.XU Active CN218907072U (en) | 2022-10-24 | 2022-10-24 | Electronic rearview mirror system and intelligent automobile |
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| CN (1) | CN218907072U (en) |
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