WO2019127272A1 - 一种智能车载 adas 功能的演示方法、装置及终端设备 - Google Patents

一种智能车载 adas 功能的演示方法、装置及终端设备 Download PDF

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Publication number
WO2019127272A1
WO2019127272A1 PCT/CN2017/119568 CN2017119568W WO2019127272A1 WO 2019127272 A1 WO2019127272 A1 WO 2019127272A1 CN 2017119568 W CN2017119568 W CN 2017119568W WO 2019127272 A1 WO2019127272 A1 WO 2019127272A1
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Prior art keywords
vehicle
live video
video
adas function
adas
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PCT/CN2017/119568
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English (en)
French (fr)
Inventor
李恒
刘光军
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深圳市锐明技术股份有限公司
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Priority to CN201780002300.5A priority Critical patent/CN108124507B/zh
Priority to PCT/CN2017/119568 priority patent/WO2019127272A1/zh
Publication of WO2019127272A1 publication Critical patent/WO2019127272A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording

Definitions

  • the present invention relates to the field of vehicle-mounted terminal technologies, and in particular, to a method, a device and a terminal device for demonstrating an intelligent vehicle-mounted ADAS function.
  • the embodiment of the invention provides a demonstration method, a device and a terminal device for the intelligent vehicle ADAS function, which can truly demonstrate the application of the ADAS function of the vehicle product in a real scene, improve the satisfaction of the customer, and facilitate the demonstration and promotion of the vehicle product.
  • a demonstration method of an intelligent in-vehicle ADAS function including:
  • the live video after video decoding is played.
  • the live video further includes display data recorded when the DSM camera detects the behavior of the driver of the vehicle while driving;
  • the live video after the playback video is decoded includes:
  • the live video when the vehicle that pre-acquires and stores the designated in-vehicle product with the ADAS function is driven in a real scene includes:
  • the live video is stored using a subcode stream and/or a main code stream.
  • it also includes:
  • the traveling speed and GPS positioning information of the vehicle corresponding to the picture of the live video are simultaneously displayed.
  • it also includes:
  • the alarm information sent when the ADAS function detects an abnormal condition during the running of the vehicle is collected together;
  • the alarm information corresponding to the picture of the live video is simultaneously output.
  • a demonstration device for an intelligent in-vehicle ADAS function comprising:
  • a live video capture module for pre-capturing and storing live video when a vehicle equipped with an ADAS-enabled designated in-vehicle product is traveling in a real scene, the live video including a video taken by the ADAS camera when detecting the front of the vehicle while traveling data;
  • a live video reading module configured to read the stored live video corresponding to the specified vehicle product when the specified vehicle product is demonstrated
  • a video decoding module configured to perform video decoding on the read live video
  • a video playing module configured to play the live video after video decoding.
  • the live video further includes display data recorded when the DSM camera detects the behavior of the driver of the vehicle while driving;
  • the video playing module includes:
  • a first display unit configured to play the video data in the video-decoded live video on a first display area of a specified display device, and play video decoding on a second display area of the designated display device The display data in the live video.
  • the live video collection module includes:
  • a video capture unit for pre-acquiring a live video when a vehicle equipped with a designated in-vehicle product having an ADAS function is driven in a real scene
  • a video storage unit configured to store the live video by using a subcode stream and/or a main code stream.
  • a third aspect provides a terminal device including a memory, a processor, and a computer program stored in the memory and operable on the processor, the processor implementing the smart car when the computer program is executed The steps of the demonstration method of the ADAS function.
  • a computer readable storage medium storing a computer program, the computer program being executed by a processor to implement the steps of the demonstration method of the intelligent in-vehicle ADAS function.
  • the live video when the vehicle with the specified in-vehicle product equipped with the ADAS function is driven in the real scene is collected and stored in advance, and the live video includes the video data captured by the ADAS camera when detecting the front of the vehicle during driving.
  • the stored live video corresponding to the specified in-vehicle product is read; then, the read live video is video-decoded; finally, the video-decoded live video is played.
  • the corresponding live video can be played during the demonstration of the vehicle product, and the application of the ADAS function of the vehicle product in the real scene can be truly demonstrated, and the satisfaction of the customer is improved, which is beneficial to the vehicle product. Demonstration of the presentation.
  • FIG. 1 is a flow chart of an embodiment of a method for demonstrating an intelligent in-vehicle ADAS function according to an embodiment of the present invention
  • step 101 is a schematic flowchart of step 101 of a method for demonstrating an intelligent in-vehicle ADAS function in an application scenario according to an embodiment of the present invention
  • FIG. 3 is a structural diagram of an embodiment of a demonstration device for an intelligent in-vehicle ADAS function according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of a terminal device according to an embodiment of the present invention.
  • the embodiment of the invention provides a demonstration method, a device and a terminal device for the intelligent vehicle ADAS function, which are used for solving the problem that the effect of the ADAS function is not real.
  • an embodiment of a method for demonstrating an intelligent in-vehicle ADAS function in an embodiment of the present invention includes:
  • the execution body in this embodiment may be a terminal device, such as a computer on the demonstration site, or a server, such as a cloud server that communicates with a computer at the demonstration site, and the like.
  • the execution subject is a terminal device.
  • the designated vehicle product with the ADAS function can be installed on the vehicle in advance, and then the driver drives the vehicle, and the terminal device collects the generated vehicle product during the running of the vehicle.
  • Live video includes video data taken when the ADAS camera detects the front of the vehicle while driving. Since these video data are generated by actual driving vehicles, they are not simulated, so they can bring a better experience to customers during the demonstration.
  • the designated vehicle product can be installed on the company employee's vehicle, and then the employee can normally drive or drive in a special scene; or, can be installed on the company public vehicle.
  • the designated in-vehicle product allows the driver to drive specifically during leisure or when the driver picks up the customer by the way; and so on.
  • the foregoing step 101 includes:
  • the live video is preferably saved in two forms: a sub-code stream and/or a main stream.
  • the sub-stream form facilitates subsequent viewing of the effect of algorithm superposition on the live video, and the live video quality is relatively poor but takes up less memory;
  • the main stream form retains the original form of the live video and is relatively high-definition, facilitating algorithm processing and
  • the video evidence is retained and the relative space is also large.
  • These two forms of live video generally have encryption effects (such as .264 format, etc.), non-dedicated software can not play properly, but can be played through dedicated software, or exported to other non-encrypted formats (such as avi format) To facilitate the operation of other needs.
  • the live video stored on the sub-stream may be used to view the actual execution effect of the algorithm, and the live video stored in the main stream may have 3 uses: 1) Data processing material for R&D department and algorithm department; 2) Live video in encrypted format can be reserved for related presentation and backup. Live video in encrypted format is the original form of recorded video, its inherent format and conversion After the other formats, the video files have their own uses, so they have greater retention value; 3) intercepting better non-encrypted video clips for algorithm verification and effect display, for live video of different scenes and different situations It can be divided into categories to form a set of live video of normal scenes, abnormal scenes (false positives, false negatives, other abnormalities).
  • the live video corresponding to the designated vehicle product needs to be read. Since the live video is already stored in the database, the live video can be found and obtained from the database by means of retrieval or the like. video.
  • the terminal device After the corresponding live video is read, the terminal device needs to perform video decoding on the read live video, and then play the video-decoded live video to perform live video presentation.
  • the demonstration of the specified in-vehicle product in this embodiment can be divided into a demonstration for the in-vehicle scenario and an in-vehicle scenario.
  • the scenes for the outside of the vehicle mainly include the forward vehicle collision, the vehicle distance detection, the lane departure, the blind spot monitoring, the face recognition detection around the vehicle, etc., which are the above-mentioned video data;
  • the scenes for the vehicle mainly include DSM (Driver) State Monitoring, warning of collision with the pedestrian in front)
  • the driver's behavior detection corresponding to the camera and the situation in the vehicle are checked to determine whether there is a super staff or the like. Therefore, the live video further includes display data recorded when the DSM camera detects the behavior of the driver of the vehicle during driving.
  • step 104 may specifically include: playing video decoding on the first display area of the designated display device. And the video data in the live video is played, and the display data in the video-decoded live video is played on the second display area of the designated display device.
  • playing video decoding on the first display area of the designated display device and the video data in the live video is played, and the display data in the video-decoded live video is played on the second display area of the designated display device.
  • the display data of the scene for the vehicle may also be demonstrated by means of real-time demonstration by the on-site personnel, for example, the on-site personnel place a vehicle of the same type on the demonstration site, and the designated vehicle product is installed thereon, that is, The demonstration can be performed by the on-site personnel.
  • the traveling speed and GPS positioning information of the vehicle when traveling in a real scene may be recorded; then, when the video is decoded, the live video is simultaneously The traveling speed and GPS positioning information of the vehicle corresponding to the screen of the live video are displayed.
  • the video black box data format can be used to store the traveling speed and GPS positioning information of the vehicle in real time. The data processed by the video black box data format needs to be played by a special software on the computer.
  • the live video can have the real driving speed and GPS positioning information of the vehicle at that time, which can restore the actual vehicle driving situation very realistically, and the effect is very good and persuasive.
  • the video black box data format is not used to store the traveling speed and GPS positioning information of the real-time driving of the vehicle, and the embodiment can also cooperate with the pulse generator to realize the actual situation of the vehicle when the live video is played.
  • the driving speed is only applicable to the demonstration scene where the vehicle speed is relatively stable, or the driving speed is set in advance to trigger the alarm condition.
  • the live video after the video decoding when performed in step 104, the live video can be played in full screen and set to an automatic loop mode, which can achieve the scene in the vehicle in the unattended manner of the demonstration venue.
  • the live video of the scene outside the car performs the effect of uninterrupted presentation playback.
  • the terminal device can be communicatively connected to the host module on the vehicle.
  • the host module can be a vehicle digital DVR (Mobile Digital Video Recorders), which is a central module of the entire vehicle, and can be used when the vehicle is running. Video, with GPS positioning module, communication module, etc. If the terminal device is connected through a serial cable, and the video black box data acquisition and transmission software is used, the traveling speed and the GPS positioning information in the video black box data can be transmitted to the terminal device, thereby realizing the indoor reduction display of the real scene outside the vehicle.
  • vehicle digital DVR Mobile Digital Video Recorders
  • the code superposition effect of the real driving situation of the vehicle can be viewed in real time, which is intuitive and effective, and has an outstanding effect on the demonstration; if the designated vehicle product is connected with a pulse device, the vehicle DVR can simulate the algorithm superposition effect at a fixed speed.
  • the advantage is that the short-segment simulation effect of the scene with high speed requirements such as the collision of the preceding vehicle is OK, but it can only be unsatisfactory for other situations, and the pulse speed can only be manually adjusted for different demonstration requirements to meet various functional requirements.
  • the vehicle DVR is remotely connected to the terminal device, and the terminal device copper drum HDMI cable is connected to the display device.
  • the alarm information sent when the ADAS function detects an abnormal condition during the running of the vehicle may be collected together; and then, after the video is decoded, the live situation is decoded.
  • alarm information corresponding to the picture of the live video is simultaneously output.
  • the alarm information may be an alarm picture, text, or video.
  • the terminal device may actively collect the alarm information, or may actively report the alarm information to the terminal device when the specified vehicle product is traveling.
  • the terminal device may simultaneously output the alarm information corresponding to the picture of the live video while playing the live video decoded by the video, and restore and demonstrate the real alarm scene; Generate an alarm statistical report, and provide corresponding pictures and short videos according to the time or type of the alarm, which can provide a full set of evidence for the corresponding event to form an entire chain of evidence.
  • the platform server and the client can be installed on the vehicle system, and the LAN connection can be realized after the network cable is connected, and the alarm real-time upload platform server can be reached without the network, and the platform server will
  • the alarm information is sent to the terminal device, which is very practical and convenient, and ensures that the live video and alarm information are collected without the network connection, and is transmitted and uploaded to the terminal device after the network connection is completed, thereby ensuring the demonstration effect of the designated vehicle product.
  • the demonstration method of the intelligent vehicle ADAS function provided by the embodiment has the following advantages:
  • the above mainly describes a demonstration method of the intelligent vehicle ADAS function, and a demonstration device of the intelligent vehicle ADAS function will be described in detail below.
  • FIG. 3 is a structural diagram showing an embodiment of a demonstration device for an intelligent in-vehicle ADAS function according to an embodiment of the present invention.
  • a demonstration device for an intelligent vehicle ADAS function includes:
  • the live video capture module 301 is configured to pre-collect and store a live video when the vehicle with the specified in-vehicle product equipped with the ADAS function is driven in a real scene, where the live video includes the image taken by the ADAS camera when detecting the front of the vehicle during driving.
  • Video data
  • the live video reading module 302 is configured to read the stored live video corresponding to the specified vehicle product when the specified vehicle product is demonstrated;
  • the video decoding module 303 is configured to perform video decoding on the read live video.
  • the video playing module 304 is configured to play the live video after video decoding.
  • live video may further include display data recorded when the DSM camera detects the behavior of the driver of the vehicle while driving;
  • the video playing module may include:
  • a first display unit configured to play the video data in the video-decoded live video on a first display area of a specified display device, and play video decoding on a second display area of the designated display device The display data in the live video.
  • the live video capture module can include:
  • a video capture unit for pre-acquiring a live video when a vehicle equipped with a designated in-vehicle product having an ADAS function is driven in a real scene
  • a video storage unit configured to store the live video by using a subcode stream and/or a main code stream.
  • the demonstration device of the smart car ADAS function may further include:
  • a speed positioning information recording module configured to record a traveling speed and GPS positioning information of the vehicle when traveling in a real scene when the live video is pre-acquired;
  • the speed positioning information display module is configured to simultaneously display the traveling speed and GPS positioning information of the vehicle corresponding to the picture of the live video when playing the live video after the video decoding.
  • the demonstration device of the smart car ADAS function may further include:
  • the alarm information collecting module is configured to collect, when the live video is collected in advance, alarm information sent when the ADAS function detects an abnormal condition during the running of the vehicle;
  • the alarm information output module is configured to simultaneously output alarm information corresponding to the picture of the live video when playing the live video after the video decoding.
  • FIG. 4 is a schematic diagram of a terminal device according to an embodiment of the present invention.
  • the terminal device 4 of this embodiment includes a processor 40, a memory 41, and a computer program 42 stored in the memory 41 and operable on the processor 40, for example, executing the above-described smart car ADAS.
  • the processor 40 executes the computer program 42, the functions of the modules/units in the above various device embodiments are implemented, such as the functions of the modules 301 to 304 shown in FIG.
  • the computer program 42 can be partitioned into one or more modules/units that are stored in the memory 41 and executed by the processor 40 to complete this invention.
  • the one or more modules/units may be a series of computer program instruction segments capable of performing a particular function, the instruction segments being used to describe the execution of the computer program 42 in the terminal device 4.
  • the terminal device 4 may be a computing device such as a desktop computer, a notebook, a palmtop computer, and a cloud server.
  • the terminal device may include, but is not limited to, a processor 40 and a memory 41. It will be understood by those skilled in the art that FIG. 4 is only an example of the terminal device 4, does not constitute a limitation of the terminal device 4, may include more or less components than those illustrated, or combine some components, or different components.
  • the terminal device may further include an input/output device, a network access device, a bus, and the like.
  • the processor 40 can be a central processing unit (Central Processing Unit, CPU), can also be other general-purpose processors, digital signal processors (DSP), application specific integrated circuits (Application Specific Integrated Circuit (ASIC), Field-Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, etc.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 41 may be an internal storage unit of the terminal device 4, such as a hard disk or a memory of the terminal device 4.
  • the memory 41 may also be an external storage device of the terminal device 4, such as a plug-in hard disk equipped on the terminal device 4, a smart memory card (SMC), and a secure digital (SD). Card, flash card (Flash Card) and so on. Further, the memory 41 may also include both an internal storage unit of the terminal device 4 and an external storage device.
  • the memory 41 is used to store the computer program and other programs and data required by the terminal device.
  • the memory 41 can also be used to temporarily store data that has been output or is about to be output.
  • modules, units, and/or method steps of the various embodiments described in connection with the embodiments disclosed herein can be implemented in electronic hardware or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods for implementing the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present invention.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium. Based on such understanding, the present invention implements all or part of the processes in the foregoing embodiments, and may also be completed by a computer program to instruct related hardware.
  • the computer program may be stored in a computer readable storage medium. The steps of the various method embodiments described above may be implemented when the program is executed by the processor.
  • the computer program comprises computer program code, which may be in the form of source code, object code form, executable file or some intermediate form.
  • the computer readable medium can include any entity or device capable of carrying the computer program code, a recording medium, a USB flash drive, a removable hard drive, a magnetic disk, an optical disk, a computer memory, a read only memory (ROM, Read-Only) Memory), random access memory (RAM, Random) Access Memory), electrical carrier signals, telecommunications signals, and software distribution media.
  • ROM Read Only memory
  • RAM Random Access Memory

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Abstract

一种智能车载ADAS功能的演示方法、装置及终端设备，用于解决模拟演示ADAS功能时效果不真实的问题。该方法包括：预先采集并存储安装具备ADAS功能的指定车载产品的车辆在真实场景下行驶时的实况视频，所述实况视频包括行驶时ADAS摄像头对所述车辆前方检测时拍摄的视频数据；在演示所述指定车载产品时，读取存储的所述指定车载产品对应的实况视频；对读取到的实况视频进行视频解码；播放视频解码后的所述实况视频。

Description

一种智能车载ADAS功能的演示方法、装置及终端设备 技术领域
本发明涉及车载终端技术领域，尤其涉及一种智能车载ADAS功能的演示方法、装置及终端设备。
 背景技术
目前关于智能车载的室内演示方法和系统暂无很好的方案，大都只是些广告式的宣传及非真实场景还原类的展示，如在摄像头前放置一个已经录制好的车辆屏幕外加脉冲速度来模拟演示ADAS（高级驾驶辅助系统）功能，而在现实情况中关于智能车载产品的实时演示非常重要，方便的演示场所和环境不但可以有效地检测产品相关算法和硬件等的协调与运行情况，还能为客户做现场效果展示和产品宣传等。在产品的宣传中已证实，与宣传片式的展示方式相比，客户更倾向于基于真实场景的ADAS功能演示。
 技术问题
本发明实施例提供了一种智能车载ADAS功能的演示方法、装置及终端设备，能够真实演示车载产品的ADAS功能在真实场景下的应用，提高客户的满意度，有利于车载产品的演示宣传。
 技术解决方案
第一方面，提供了一种智能车载ADAS功能的演示方法，包括：
预先采集并存储安装具备ADAS功能的指定车载产品的车辆在真实场景下行驶时的实况视频，所述实况视频包括行驶时ADAS摄像头对所述车辆前方检测时拍摄的视频数据；
在演示所述指定车载产品时，读取存储的所述指定车载产品对应的实况视频；
对读取到的实况视频进行视频解码；
播放视频解码后的所述实况视频。
可选地，所述实况视频还包括行驶时DSM摄像头对所述车辆的驾驶员的行为检测时记录的显示数据；
所述播放视频解码后的所述实况视频包括：
在指定显示设备的第一显示区域上播放视频解码后的所述实况视频中的所述视频数据，同时在所述指定显示设备的第二显示区域上播放视频解码后的所述实况视频中的所述显示数据。
可选地，所述预先采集并存储安装具备ADAS功能的指定车载产品的车辆在真实场景下行驶时的实况视频包括：
预先采集安装具备ADAS功能的指定车载产品的车辆在真实场景下行驶时的实况视频；
采用子码流和/或主码流存储所述实况视频。
可选地，还包括：
在预先采集所述实况视频时，记录所述车辆在真实场景下行驶时的行驶速度和GPS定位信息；
在播放视频解码后的所述实况视频时，同时显示所述实况视频的画面所对应的所述车辆的行驶速度和GPS定位信息。
可选地，还包括：
在预先采集所述实况视频时，一并采集在车辆行驶过程中所述ADAS功能检测到异常情况时发出的报警信息；
在播放视频解码后的所述实况视频时，同时输出与所述实况视频的画面所对应的报警信息。
第二方面，提供了一种智能车载ADAS功能的演示装置，包括：
实况视频采集模块，用于预先采集并存储安装具备ADAS功能的指定车载产品的车辆在真实场景下行驶时的实况视频，所述实况视频包括行驶时ADAS摄像头对所述车辆前方检测时拍摄的视频数据；
实况视频读取模块，用于在演示所述指定车载产品时，读取存储的所述指定车载产品对应的实况视频；
视频解码模块，用于对读取到的实况视频进行视频解码；
视频播放模块，用于播放视频解码后的所述实况视频。
可选地，所述实况视频还包括行驶时DSM摄像头对所述车辆的驾驶员的行为检测时记录的显示数据；
所述视频播放模块包括：
第一显示单元，用于在指定显示设备的第一显示区域上播放视频解码后的所述实况视频中的所述视频数据，同时在所述指定显示设备的第二显示区域上播放视频解码后的所述实况视频中的所述显示数据。
可选地，所述实况视频采集模块包括：
视频采集单元，用于预先采集安装具备ADAS功能的指定车载产品的车辆在真实场景下行驶时的实况视频；
视频存储单元，用于采用子码流和/或主码流存储所述实况视频。
第三方面，提供了一种终端设备，包括存储器、处理器以及存储在所述存储器中并可在所述处理器上运行的计算机程序，所述处理器执行所述计算机程序时实现上述智能车载ADAS功能的演示方法的步骤。
第四方面，提供了一种计算机可读存储介质，所述计算机可读存储介质存储有计算机程序，所述计算机程序被处理器执行时实现上述智能车载ADAS功能的演示方法的步骤。
 有益效果
从以上技术方案可以看出，本发明实施例具有以下优点：
本发明实施例中，预先采集并存储安装具备ADAS功能的指定车载产品的车辆在真实场景下行驶时的实况视频，所述实况视频包括行驶时ADAS摄像头对所述车辆前方检测时拍摄的视频数据；在演示所述指定车载产品时，读取存储的所述指定车载产品对应的实况视频；然后，对读取到的实况视频进行视频解码；最后，播放视频解码后的所述实况视频。可见，通过预先采集真实场景下行驶时的实况视频，可以在演示车载产品时播放对应的实况视频，真实演示车载产品的ADAS功能在真实场景下的应用，提高客户的满意度，有利于车载产品的演示宣传。
 附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例中一种智能车载ADAS功能的演示方法一个实施例流程图；
图2为本发明实施例中一种智能车载ADAS功能的演示方法步骤101在一个应用场景下的流程示意图；
图3为本发明实施例中一种智能车载ADAS功能的演示装置一个实施例结构图；
图4为本发明一实施例提供的终端设备的示意图。
 本发明的实施方式
本发明实施例提供了一种智能车载ADAS功能的演示方法、装置及终端设备，用于解决模拟演示ADAS功能时效果不真实的问题。
为使得本发明的发明目的、特征、优点能够更加的明显和易懂，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，下面所描述的实施例仅仅是本发明一部分实施例，而非全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
请参阅图1，本发明实施例中一种智能车载ADAS功能的演示方法一个实施例包括：
101、预先采集并存储安装具备ADAS功能的指定车载产品的车辆在真实场景下行驶时的实况视频，所述实况视频包括行驶时ADAS摄像头对所述车辆前方检测时拍摄的视频数据；
本实施例中的执行主体可以是终端设备，比如演示现场的计算机，也可以是服务器，比如与演示现场的计算机通讯连接的云端服务器，等等。优选地，该执行主体为一终端设备。
可以理解的是，为了获取车辆的实况数据，可以预先在车辆上安装好具备ADAS功能的指定车载产品，然后由驾驶员驾驶该车辆，在车辆行驶过程中该终端设备采集该指定车载产品产生的实况视频。其中，该实况视频包括行驶时ADAS摄像头对所述车辆前方检测时拍摄的视频数据。由于这些视频数据均是实际驾驶车辆产生的，并非模拟得到的，因此在演示时可以带给客户更好的体验。
其中，在真实场景下采集实况视频的途径有多种，比如，可以在公司员工车辆上安装该指定车载产品，然后在员工平时正常开车或专门场景开车获取；或者，可以在公司公用车上安装该指定车载产品，在闲暇时让驾驶员专门开车获取或驾驶员接送客户期间顺便获取；等等。
进一步地，如图2所示，上述步骤101包括：
201、预先采集安装具备ADAS功能的指定车载产品的车辆在真实场景下行驶时的实况视频；
202、采用子码流和/或主码流存储所述实况视频。
对应上述步骤201和202，在采集实况视频后，最好采用子码流和/或主码流两种形式保存该实况视频。其中，子码流形式方便后续查看该实况视频上的算法叠加的效果，实况视频质量相对较差但占内存较小；主码流形式保留了实况视频的原始形式且比较高清，方便算法处理和视频证据留存，相对占用空间也较大。这两种形式存储实况视频一般具有加密效果（如.264格式等），非专用软件无法正常播放，但可通过专用软件打开播放，也可导出为其他非加密格式（如avi格式等）的视频以方便其他需求的操作。
优选地，在采用子码流和/或主码流存储所述实况视频之后，一方面子码流存储的实况视频可用来查看算法实际执行效果，另一方面主码流存储的实况视频可以有3个用途：1）为研发部与算法部作数据处理素材；2）加密格式的实况视频可留作相关演示和备份用，加密格式的实况视频是录制视频的原始形态，其固有格式及转换后的其他格式视频文件均有各自用途，故有较大的保留价值；3）截取较好的非加密形式视频片段留作算法验证和效果展示时用，对不同场景、不同情况的实况视频进行分门别类，可形成一套关于正常场景、异常场景（误报、漏报、其他异常）的实况视频的素材库。
102、在演示所述指定车载产品时，读取存储的所述指定车载产品对应的实况视频；
可以理解的是，当需要向客户演示指定车载产品时，需要读取该指定车载产品对应的实况视频，由于实况视频已存储在数据库中，因此可以通过检索等手段从数据库中找到并获取该实况视频。
103、对读取到的实况视频进行视频解码；
104、播放视频解码后的所述实况视频。
对上述步骤103和步骤104，在读取到对应的实况视频后，终端设备需要对读取到的实况视频进行视频解码，然后播放视频解码后的所述实况视频，从而进行实况视频的演示。
进一步地，本实施例中对指定车载产品的演示可以分为针对车内情景与针对车外情景的演示。针对车外的情景主要包括ADAS摄像头对应的前向车辆碰撞、车距检测、车道偏离、盲区监测、车周围人脸识别检测等，即上述的视频数据；针对车内的情景主要包括DSM（Driver State Monitoring，与前方行人碰撞的警告）摄像头对应的驾驶员行为检测及扫视车内情况以判别是否存在超员等。因此，所述实况视频还包括行驶时DSM摄像头对所述车辆的驾驶员的行为检测时记录的显示数据，此时，步骤104可以具体包括：在指定显示设备的第一显示区域上播放视频解码后的所述实况视频中的所述视频数据，同时在所述指定显示设备的第二显示区域上播放视频解码后的所述实况视频中的所述显示数据。这样，在同一个指定显示设备上同时显示针对车外情景的视频数据和针对车内情景的显示数据，可以使得对指定车载产品的演示更加逼真和全面，带给观看的客户一种身临其境的体验。
优选地，在演示指定显示设备时，还可以采用现场人员实时演示的方式来演示针对车内的情景的显示数据，比如现场人员在演示现场放置一同型号车辆，其上安装该指定车载产品，即可由现场人员为客户进行演示。
进一步地，本实施例还可以在预先采集所述实况视频时，记录所述车辆在真实场景下行驶时的行驶速度和GPS定位信息；然后，在播放视频解码后的所述实况视频时，同时显示所述实况视频的画面所对应的所述车辆的行驶速度和GPS定位信息。可以理解的是，车辆行驶时，可以通过视频黑匣子数据格式来存储车辆实时行驶的行驶速度和GPS定位信息，这种视频黑匣子数据格式处理的数据需要计算机上专门的软件播放，这种软件需具备两个功能，一是负责接收视频黑匣子数据的模块，二是负责发送视屏黑匣子数据的模块，配合相应串口线材连接（有时需要加装视频格式转换器）后，经这种软件播放后的车辆的实况视频可以具有当时车辆行驶的真实行驶速度及GPS定位信息，可非常逼真地还原实际车辆行驶时情况，效果很好且具有说服力。
另外，加入在采集该实况视频时，没有通过视频黑匣子数据格式来存储车辆实时行驶的行驶速度和GPS定位信息，本实施例也可以配合脉冲发生器辅助来实现实况视频播放时模拟车辆实际状况下的行驶速度，只是这种方式仅适用于车辆的车速比较稳定、或者预先设置好行驶速度即可触发报警条件的演示场景。
优选地，本实施例在执行步骤104播放视频解码后的所述实况视频时，可以全屏播放该实况视频，并设置为自动循环模式，可达到在演示场馆无人看管情况下对车内场景和车外场景的实况视频进行不间断演示播放的效果。
在本实施例中，该终端设备可以与车辆上的主机模块通讯连接，该主机模块具体可以是车辆上车载DVR（Mobile Digital Video Recorders），其是整个车辆的中枢模块，可对车辆行驶时进行录像，并带有GPS定位模块、通讯模块等。若通过串口线等与终端设备连接，并配合视频黑匣子数据获取与发送软件，可实现将视频黑匣子数据中的行驶速度与GPS定位信息传送到终端设备，实现车外真实场景的室内还原展现，经算法处理后可实时查看能反应车辆的真实行车情况的代码叠加效果，直观有效，对演示而言效果突出；若指定车载产品连接的是脉冲装置，则车载DVR可模拟固定速度下的算法叠加效果，好处是对前车碰撞等对车速要求较高的场景短片段模拟效果还可以，但对其他情况只能差强人意，只能针对不同演示要求手动调节脉冲速度以适应各功能需求。其中该车载DVR与终端设备远程通信连接，终端设备铜鼓HDMI线与显示设备连接。
进一步地，本实施例还可以在预先采集所述实况视频时，一并采集在车辆行驶过程中所述ADAS功能检测到异常情况时发出的报警信息；然后，在播放视频解码后的所述实况视频时，同时输出与所述实况视频的画面所对应的报警信息。可以理解的是，在车辆行驶过程中，若指定车载产品的ADAS功能检测到异常情况时，比如车距过近，将发出报警信息。该报警信息可以是报警图片、文字、或者视频等。为了真实还原指定车载产品的报警功能，终端设备可以主动采集该报警信息，也可以由指定车载产品在行驶时主动上报该报警信息给终端设备。终端设备在采集到这些报警信息后，可以在播放视频解码后的所述实况视频时，同时输出与所述实况视频的画面所对应的报警信息，还原、演示真实的报警场景；另外，还可以生成报警统计报表，并根据报警时间或类型提供相应的图片和小段视频，可为相应的事件提供全套的证据证明，形成一整条证据链。更进一步地，在无网络连接的情况下，可在车辆系统上安装平台服务器和客户端，网线连接后可以实现局域网构建，可以在没有网络的情况下达到报警实时上传平台服务器，又平台服务器将报警信息发送给该终端设备，非常实用便捷，保证了无网络连接情况下采集实况视频和报警信息，在网络连接好后发送、上传给终端设备，确保了指定车载产品的演示效果。
从内容可以看出，本实施例提供的一种智能车载ADAS功能的演示方法具有以下优点：
（1）提供一整套在合适室内环境下既能演示智能车载ADAS功能，又能演示DSM功能的方法和系统，弥补市面上智能车载无完善演示方式的不足；
（2）改进智能车载的ADAS功能演示视频不能实现实际车辆对应的真实行驶速度和GPS定位系想你等数据，只能依赖脉冲等进行速度补充的现状，达到真实行车情景的还原，提升演示效果；
（3）实现演示方式的多样化，既有设备演示，又有人为演示，且人为方式的演示亦可通过计算机屏幕投影的方式演示，弥补智能车载的DSM功能演示不能实现既有实时人为现场演示，又有屏幕端播放的模拟演示相结合的演示方式的不足。
应理解，上述实施例中各步骤的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本发明实施例的实施过程构成任何限定。
上面主要描述了一种智能车载ADAS功能的演示方法，下面将对一种智能车载ADAS功能的演示装置进行详细描述。
图3示出了本发明实施例中一种智能车载ADAS功能的演示装置一个实施例结构图。
本实施例中，一种智能车载ADAS功能的演示装置包括：
实况视频采集模块301，用于预先采集并存储安装具备ADAS功能的指定车载产品的车辆在真实场景下行驶时的实况视频，所述实况视频包括行驶时ADAS摄像头对所述车辆前方检测时拍摄的视频数据；
实况视频读取模块302，用于在演示所述指定车载产品时，读取存储的所述指定车载产品对应的实况视频；
视频解码模块303，用于对读取到的实况视频进行视频解码；
视频播放模块304，用于播放视频解码后的所述实况视频。
进一步地，所述实况视频还可以包括行驶时DSM摄像头对所述车辆的驾驶员的行为检测时记录的显示数据；
所述视频播放模块可以包括：
第一显示单元，用于在指定显示设备的第一显示区域上播放视频解码后的所述实况视频中的所述视频数据，同时在所述指定显示设备的第二显示区域上播放视频解码后的所述实况视频中的所述显示数据。
进一步地，所述实况视频采集模块可以包括：
视频采集单元，用于预先采集安装具备ADAS功能的指定车载产品的车辆在真实场景下行驶时的实况视频；
视频存储单元，用于采用子码流和/或主码流存储所述实况视频。
进一步地，所述智能车载ADAS功能的演示装置还可以包括：
速度定位信息记录模块，用于在预先采集所述实况视频时，记录所述车辆在真实场景下行驶时的行驶速度和GPS定位信息；
速度定位信息显示模块，用于在播放视频解码后的所述实况视频时，同时显示所述实况视频的画面所对应的所述车辆的行驶速度和GPS定位信息。
进一步地，所述智能车载ADAS功能的演示装置还可以包括：
报警信息采集模块，用于在预先采集所述实况视频时，一并采集在车辆行驶过程中所述ADAS功能检测到异常情况时发出的报警信息；
报警信息输出模块，用于在播放视频解码后的所述实况视频时，同时输出与所述实况视频的画面所对应的报警信息。
图4是本发明一实施例提供的终端设备的示意图。如图4所示，该实施例的终端设备4包括：处理器40、存储器41以及存储在所述存储器41中并可在所述处理器40上运行的计算机程序42，例如执行上述智能车载ADAS功能的演示方法的程序。所述处理器40执行所述计算机程序42时实现上述各个智能车载ADAS功能的演示方法实施例中的步骤，例如图1所示的步骤101至104。或者，所述处理器40执行所述计算机程序42时实现上述各装置实施例中各模块/单元的功能，例如图3所示模块301至304的功能。
示例性的，所述计算机程序42可以被分割成一个或多个模块/单元，所述一个或者多个模块/单元被存储在所述存储器41中，并由所述处理器40执行，以完成本发明。所述一个或多个模块/单元可以是能够完成特定功能的一系列计算机程序指令段，该指令段用于描述所述计算机程序42在所述终端设备4中的执行过程。
所述终端设备4可以是桌上型计算机、笔记本、掌上电脑及云端服务器等计算设备。所述终端设备可包括，但不仅限于，处理器40、存储器41。本领域技术人员可以理解，图4仅仅是终端设备4的示例，并不构成对终端设备4的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件，例如所述终端设备还可以包括输入输出设备、网络接入设备、总线等。
所述处理器40可以是中央处理单元(Central Processing Unit，CPU)，还可以是其他通用处理器、数字信号处理器 (Digital Signal Processor，DSP)、专用集成电路 (Application Specific Integrated Circuit，ASIC)、现成可编程门阵列 (Field-Programmable Gate Array，FPGA) 或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
所述存储器41可以是所述终端设备4的内部存储单元，例如终端设备4的硬盘或内存。所述存储器41也可以是所述终端设备4的外部存储设备，例如所述终端设备4上配备的插接式硬盘，智能存储卡（Smart Media Card, SMC），安全数字（Secure Digital, SD）卡，闪存卡（Flash Card）等。进一步地，所述存储器41还可以既包括所述终端设备4的内部存储单元也包括外部存储设备。所述存储器41用于存储所述计算机程序以及所述终端设备所需的其他程序和数据。所述存储器41还可以用于暂时地存储已经输出或者将要输出的数据。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统，装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述或记载的部分，可以参见其它实施例的相关描述。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各实施例的模块、单元和/或方法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范围。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统，装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明实现上述实施例方法中的全部或部分流程，也可以通过计算机程序来指令相关的硬件来完成，所述的计算机程序可存储于一计算机可读存储介质中，该计算机程序在被处理器执行时，可实现上述各个方法实施例的步骤。其中，所述计算机程序包括计算机程序代码，所述计算机程序代码可以为源代码形式、对象代码形式、可执行文件或某些中间形式等。所述计算机可读介质可以包括：能够携带所述计算机程序代码的任何实体或装置、记录介质、U盘、移动硬盘、磁碟、光盘、计算机存储器、只读存储器（ROM，Read-Only Memory）、随机存取存储器（RAM，Random Access Memory）、电载波信号、电信信号以及软件分发介质等。需要说明的是，所述计算机可读介质包含的内容可以根据司法管辖区内立法和专利实践的要求进行适当的增减，例如在某些司法管辖区，根据立法和专利实践，计算机可读介质不包括电载波信号和电信信号。
以上所述，以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (10)

  1. 一种智能车载ADAS功能的演示方法，其特征在于，包括：
    预先采集并存储安装具备ADAS功能的指定车载产品的车辆在真实场景下行驶时的实况视频，所述实况视频包括行驶时ADAS摄像头对所述车辆前方检测时拍摄的视频数据；
    在演示所述指定车载产品时，读取存储的所述指定车载产品对应的实况视频；
    对读取到的实况视频进行视频解码；
    播放视频解码后的所述实况视频。
  2. 根据权利要求1所述的智能车载ADAS功能的演示方法，其特征在于，所述实况视频还包括行驶时DSM摄像头对所述车辆的驾驶员的行为检测时记录的显示数据；
    所述播放视频解码后的所述实况视频包括：
    在指定显示设备的第一显示区域上播放视频解码后的所述实况视频中的所述视频数据，同时在所述指定显示设备的第二显示区域上播放视频解码后的所述实况视频中的所述显示数据。
  3. 根据权利要求1所述的智能车载ADAS功能的演示方法，其特征在于，所述预先采集并存储安装具备ADAS功能的指定车载产品的车辆在真实场景下行驶时的实况视频包括：
    预先采集安装具备ADAS功能的指定车载产品的车辆在真实场景下行驶时的实况视频；
    采用子码流和/或主码流存储所述实况视频。
  4. 根据权利要求1所述的智能车载ADAS功能的演示方法，其特征在于，还包括：
    在预先采集所述实况视频时，记录所述车辆在真实场景下行驶时的行驶速度和GPS定位信息；
    在播放视频解码后的所述实况视频时，同时显示所述实况视频的画面所对应的所述车辆的行驶速度和GPS定位信息。
  5. 根据权利要求1至4中任一项所述的智能车载ADAS功能的演示方法，其特征在于，还包括：
    在预先采集所述实况视频时，一并采集在车辆行驶过程中所述ADAS功能检测到异常情况时发出的报警信息；
    在播放视频解码后的所述实况视频时，同时输出与所述实况视频的画面所对应的报警信息。
  6. 一种智能车载ADAS功能的演示装置，其特征在于，包括：
    实况视频采集模块，用于预先采集并存储安装具备ADAS功能的指定车载产品的车辆在真实场景下行驶时的实况视频，所述实况视频包括行驶时ADAS摄像头对所述车辆前方检测时拍摄的视频数据；
    实况视频读取模块，用于在演示所述指定车载产品时，读取存储的所述指定车载产品对应的实况视频；
    视频解码模块，用于对读取到的实况视频进行视频解码；
    视频播放模块，用于播放视频解码后的所述实况视频。
  7. 根据权利要求6所述的智能车载ADAS功能的演示装置，其特征在于，所述实况视频还包括行驶时DSM摄像头对所述车辆的驾驶员的行为检测时记录的显示数据；
    所述视频播放模块包括：
    第一显示单元，用于在指定显示设备的第一显示区域上播放视频解码后的所述实况视频中的所述视频数据，同时在所述指定显示设备的第二显示区域上播放视频解码后的所述实况视频中的所述显示数据。
  8. 根据权利要求6或7所述的智能车载ADAS功能的演示装置，其特征在于，所述实况视频采集模块包括：
    视频采集单元，用于预先采集安装具备ADAS功能的指定车载产品的车辆在真实场景下行驶时的实况视频；
    视频存储单元，用于采用子码流和/或主码流存储所述实况视频。
  9. 一种终端设备，包括存储器、处理器以及存储在所述存储器中并可在所述处理器上运行的计算机程序，其特征在于，所述处理器执行所述计算机程序时实现如权利要求1至5中任一项所述智能车载ADAS功能的演示方法的步骤。
  10. 一种计算机可读存储介质，所述计算机可读存储介质存储有计算机程序，其特征在于，所述计算机程序被处理器执行时实现如权利要求1至5中任一项所述智能车载ADAS功能的演示方法的步骤。
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