WO2025200344A1 - Procédé et appareil d'étalonnage de temps d'alarme, dispositif électronique, véhicule et support de stockage - Google Patents

Procédé et appareil d'étalonnage de temps d'alarme, dispositif électronique, véhicule et support de stockage

Info

Publication number
WO2025200344A1
WO2025200344A1 PCT/CN2024/121119 CN2024121119W WO2025200344A1 WO 2025200344 A1 WO2025200344 A1 WO 2025200344A1 CN 2024121119 W CN2024121119 W CN 2024121119W WO 2025200344 A1 WO2025200344 A1 WO 2025200344A1
Authority
WO
WIPO (PCT)
Prior art keywords
alarm
vehicle
traffic sign
speed
time
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2024/121119
Other languages
English (en)
Chinese (zh)
Inventor
王兆麟
丁冠源
王兆麒
黄嘉桐
郭富琦
张胜华
郑彤
张文娟
张浩楠
王宏民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FAW Group Corp
Original Assignee
FAW Group Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FAW Group Corp filed Critical FAW Group Corp
Publication of WO2025200344A1 publication Critical patent/WO2025200344A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles

Definitions

  • the main purpose of the embodiments of the present application is to provide an alarm time calibration method, device, electronic device, vehicle and storage medium to calibrate a reasonable alarm time.
  • an embodiment of the present application provides an alarm time calibration method, the method comprising:
  • the time for the vehicle instrument to issue a speed warning is delayed until the vehicle passes the traffic sign.
  • obtaining the timestamp when the vehicle instrument issues a speed alarm includes:
  • the time when the service interface element identifier receives the alarm signal is determined as the timestamp.
  • the time for detecting the image is delayed to delay the time for the vehicle instrument to issue a speed alarm.
  • delaying the vehicle instrument's speed warning until the vehicle passes the traffic sign includes:
  • the method further comprises:
  • a vehicle speed value obtaining unit configured to obtain a vehicle speed value indicated on a vehicle instrument panel if a traffic sign is detected in the image
  • a speed determination unit configured to determine whether the vehicle speed value complies with the speed requirement of the traffic sign
  • an image detection unit configured to obtain a timestamp when the vehicle instrument issues a speed alarm, and determine whether the traffic sign is still detected in the image at the timestamp;
  • a first identifier obtaining unit configured to obtain a service identifier for transmitting the alarm signal
  • a second identifier obtaining unit configured to determine a service interface element identifier corresponding to the service identifier
  • the alarm delay unit includes:
  • the second alarm delay subunit is used to delay the time for the vehicle instrument to issue a speed alarm if the traffic sign is still detected in the image at the timestamp, until the distance between the vehicle and the traffic sign is less than a set value.
  • the apparatus further comprises:
  • the alarm stop unit is used to stop transmitting the alarm signal to the vehicle instrument when the vehicle speed value meets the speed requirement of the traffic sign, so that the vehicle instrument stops the vehicle speed alarm.
  • This application obtains an image captured by a camera; if a traffic sign is detected in the image, obtains the vehicle speed value displayed on the vehicle meter; determines whether the vehicle speed value meets the speed requirements of the traffic sign; if the vehicle speed value does not meet the speed requirements of the traffic sign, transmits an alarm signal to the vehicle meter so that the vehicle meter can issue a speed alarm; obtains the timestamp when the vehicle meter issues the speed alarm, and determines whether the traffic sign is still detected in the image at the timestamp; if the traffic sign is still detected in the image at the timestamp, delays the vehicle meter from issuing a speed alarm until the vehicle passes the traffic sign.
  • This application calibrates the alarm time by detecting and determining whether the vehicle has passed the traffic sign during the speed alarm, allowing the vehicle to issue a speed alarm at the appropriate time.
  • Ethernet As the communication technology in the new vehicle architecture, intelligent driving systems can be better integrated into the overall vehicle architecture, enabling them to achieve even greater functionality.
  • Using Ethernet as the standard for internal vehicle communications offers the following advantages and opportunities for intelligent driving systems: High bandwidth and low latency: Ethernet, with its high bandwidth and low latency, meets the intelligent driving system's requirements for large data transmission and real-time performance. This enables intelligent driving systems to more quickly acquire, process, and transmit information about the vehicle's surroundings.
  • Modular design The Ethernet architecture supports modular design, enabling more flexible and efficient communication and integration between intelligent driving systems and other vehicle subsystems (such as in-vehicle entertainment systems and vehicle control systems). This provides a better platform for the development and deployment of intelligent driving features.
  • an alarm signal may be sent to the vehicle instrument. After the vehicle instrument receives the alarm signal, the alarm signal may be transmitted to the vehicle screen for display.
  • the time when the service interface element identifier receives the alarm signal is determined as the timestamp.
  • both the transmitted and received alarm signals can be accompanied by corresponding identifiers, which can be globally unique. When the two identifiers match, the alarm signal is considered to have been correctly transmitted.
  • the identifier can include the time of transmission or reception, which can be used to determine the transmission delay of the alarm signal and the timestamp of when the vehicle instrument panel received the alarm signal.
  • this embodiment can delay the triggering time of the speed alarm and issue the speed alarm after the vehicle passes the traffic sign.
  • the time for detecting the image is delayed to delay the time for the vehicle instrument to issue a speed alarm.
  • the traffic sign does not exist in the image at the timestamp, it can be considered that the vehicle has passed the traffic sign; or, if it is determined that the distance between the vehicle and the traffic sign is less than a set value, it can be considered that the vehicle has passed the traffic sign.
  • the embodiments of the present application can accurately measure and analyze the interaction time between various components in the intelligent driving system through precise timestamp recording and analysis, helping to discover the source of uncertainty in the interaction time.
  • Performance bottleneck analysis and optimization may exist in intelligent driving systems, resulting in prolonged interaction time between certain components, affecting the system's real-time performance and responsiveness.
  • the embodiments of the present application can help locate and analyze performance bottlenecks in the system and propose targeted optimization solutions to shorten interaction time and improve the real-time and performance of the system.
  • the time periods for each link are:
  • A8-A6 The time it takes for the smart driving app to recognize information and send the function signal to VDC 397;
  • x1-C The time from when the CSC base receives the data to when it is displayed on the screen;
  • y1-B1 The time it takes for the CSC base to send a signal to the VDC base.
  • the alarm time calibration example of the link shown in Figure 2 may include the following steps:
  • Step 2 At this time, the smart driving APP begins to identify the target object information and obtains the vehicle speed value downloaded from the instrument application. When the speed check times out, it chooses to transmit an alarm signal.
  • Step 4 VDC TDA4 is supplied to the CSC base through the VDC base.
  • Step 8 Record the alarm time of the instrument to ensure that the vehicle has passed the speed limit sign when the instrument alarms, otherwise the smart driving alarm will be delayed.
  • FIG3 is an example diagram of the time it takes for the smart driving APP provided in this embodiment to recognize a target object.
  • the CSC receives the VDC's serviceID and method ID. After verifying the messages on both ends using the IDs, the timestamp difference is calculated: 2024.2.8 11:57:12.778255 - 2024.2.8 11:57:03.155, which is 9.615.
  • the timestamp t1 when the Zhijia app identifies the TSR is recorded.
  • This embodiment automates timestamp delay calculation by identifying the sender's service-ID and method-ID with the receiver's service-ID and method-ID.
  • the service ID is a service identifier, defined in hexadecimal notation and must begin with 0X.
  • Signal transmission and return time recording Record the transmission and return time stamps of signals between different components, including the time from signal issuance to reception, and the time when the signal is finally displayed on the instrument screen.
  • Automated calculation and reporting The ability to automatically calculate return times and synchronization and generate corresponding reports can improve efficiency and reduce human errors.
  • an embodiment of the present application further provides an alarm time calibration device that can implement the above-mentioned alarm time calibration method.
  • the device includes:
  • An image acquisition unit configured to acquire images captured by a camera device
  • a vehicle speed value obtaining unit configured to obtain a vehicle speed value indicated on a vehicle instrument panel if a traffic sign is detected in the image
  • a signal transmission unit configured to transmit an alarm signal to the vehicle instrument if the vehicle speed value does not meet the speed requirement of the traffic sign, so that the vehicle instrument can issue a vehicle speed alarm
  • the alarm delay unit is used to delay the time for the vehicle instrument to issue a speed alarm if the traffic sign is still detected in the image at the timestamp until the vehicle passes the traffic sign.
  • a first identifier obtaining unit configured to obtain a service identifier for transmitting the alarm signal
  • a second identifier obtaining unit configured to determine a service interface element identifier corresponding to the service identifier
  • the alarm delay unit includes:
  • the detection delay unit is used to delay the time for detecting the image when the image is acquired, so as to delay the time for the vehicle instrument to issue a speed alarm.
  • a first alarm delay subunit configured to delay the time for the vehicle instrument to issue a speed alarm if the traffic sign is still detected in the image at the timestamp, until the traffic sign is detected to be no longer in the image at the timestamp;
  • the present application also provides an electronic device comprising a memory and a processor, wherein the memory stores a computer program, and the processor implements the above-mentioned alarm time calibration method when executing the computer program.
  • the electronic device can be any smart terminal including a tablet computer, an in-vehicle computer, or the like.
  • FIG7 illustrates a hardware structure of an electronic device according to another embodiment.
  • the electronic device includes:
  • the processor 701 may be implemented as a general-purpose CPU (Central Processing Unit), a microprocessor, an application-specific integrated circuit (ASIC), or one or more integrated circuits, and is used to execute relevant programs to implement the technical solutions provided in the embodiments of the present application.
  • a general-purpose CPU Central Processing Unit
  • ASIC application-specific integrated circuit
  • the memory 702 can be implemented in the form of a read-only memory (ROM), a static storage device, a dynamic storage device, or a random access memory (RAM).
  • the memory 702 can store an operating system and other application programs.
  • the relevant program codes are stored in the memory 702 and are called by the processor 701 to execute the alarm time calibration method of the embodiments of this application.
  • the processor 701 , the memory 702 , the input/output interface 703 and the communication interface 704 are connected to each other in communication within the device via a bus 705 .
  • An embodiment of the present application further provides a computer-readable storage medium, which stores a computer program.
  • the computer program is executed by a processor, the above-mentioned alarm time calibration method is implemented.
  • the device embodiments described above are merely illustrative.
  • the units described as separate components may or may not be physically separate, i.e., they may be located in one place or distributed across multiple network units. Some or all of the modules may be selected based on actual needs to achieve the objectives of this embodiment.
  • At least one (item) means one or more, and “plurality” means two or more.
  • “And/or” is used to describe the association relationship of associated objects, indicating that three relationships may exist. For example, “A and/or B” can mean: only A exists, only B exists, and A and B exist at the same time, where A and B can be singular or plural. The character “/” generally indicates that the previous and next associated objects are in an “or” relationship. "At least one of the following items” or similar expressions refers to any combination of these items, including any combination of single items or plural items.
  • At least one of a, b or c can mean: a, b, c, "a and b", “a and c", “b and c", or "a and b and c", where a, b, c can be single or multiple.
  • the disclosed devices and methods can be implemented in other ways.
  • the device embodiments described above are merely schematic.
  • the division of the above-mentioned units is only a logical function division.
  • there may be other division methods such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed.
  • Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.
  • the units described above as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • the functional units in the various embodiments of the present application may be integrated into a single processing unit, or each unit may exist physically separately, or two or more units may be integrated into a single unit.
  • the aforementioned integrated units may be implemented in the form of hardware or software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium and includes multiple instructions for enabling a computer device (which can be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods of various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), disk or optical disk, and other media that can store programs.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Traffic Control Systems (AREA)

Abstract

La présente demande se rapporte au domaine technique de la conduite intelligente. Sont divulgués un procédé et un appareil d'étalonnage de temps d'alarme, ainsi qu'un dispositif électronique, un véhicule et un support de stockage. Le procédé consiste à : acquérir une image capturée par un dispositif de caméra ; si un panneau de signalisation est détecté dans l'image, acquérir une valeur de vitesse de véhicule envoyée en aval d'un instrument de véhicule ; déterminer si la valeur de vitesse du véhicule satisfait une exigence de vitesse du panneau de signalisation ; si la valeur de vitesse du véhicule ne satisfait pas l'exigence de vitesse du panneau de signalisation, transmettre un signal d'alarme à l'instrument de véhicule, de sorte que l'instrument de véhicule déclenche une alarme de vitesse de véhicule ; acquérir une estampille temporelle lorsque l'instrument de véhicule déclenche l'alarme de vitesse de véhicule, et déterminer si le panneau de signalisation est toujours détecté dans l'image sous l'estampille temporelle ; et si le panneau de signalisation est toujours détecté dans l'image sous l'estampille temporelle, retarder le temps de déclenchement par l'instrument de véhicule de l'alarme de vitesse de véhicule jusqu'à ce que le véhicule ait dépassé le panneau de signalisation. Dans la présente demande, un temps d'alarme est étalonné en détectant et en déterminant si un véhicule a dépassé un panneau de signalisation lorsqu'une alarme de vitesse de véhicule est déclenchée, de telle sorte que l'alarme de vitesse de véhicule puisse être déclenchée le cas échéant.
PCT/CN2024/121119 2024-03-26 2024-09-25 Procédé et appareil d'étalonnage de temps d'alarme, dispositif électronique, véhicule et support de stockage Pending WO2025200344A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202410346263.1A CN118061782A (zh) 2024-03-26 2024-03-26 报警时间标定方法、装置、电子设备、车辆及存储介质
CN202410346263.1 2024-03-26

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WO2025200344A1 true WO2025200344A1 (fr) 2025-10-02

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118061782A (zh) * 2024-03-26 2024-05-24 中国第一汽车股份有限公司 报警时间标定方法、装置、电子设备、车辆及存储介质

Citations (7)

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Publication number Priority date Publication date Assignee Title
JP2007133606A (ja) * 2005-11-09 2007-05-31 Denso Corp 車両用警告装置
CN102314772A (zh) * 2010-07-01 2012-01-11 北京中星微电子有限公司 一种车辆超速检测方法和装置及车辆超速报警系统
CN110969664A (zh) * 2018-09-30 2020-04-07 北京初速度科技有限公司 一种相机外部参数的动态标定方法
CN112102418A (zh) * 2020-09-16 2020-12-18 上海商汤临港智能科技有限公司 一种标定方法、装置、电子设备及存储介质
CN116164984A (zh) * 2023-02-28 2023-05-26 奇瑞新能源汽车股份有限公司 一种限速标志辅助系统道路试验装置及试验方法
CN117152267A (zh) * 2023-08-16 2023-12-01 浙江大学 一种基于gnss与单目相机外参标定的车辆速度估计方法
CN118061782A (zh) * 2024-03-26 2024-05-24 中国第一汽车股份有限公司 报警时间标定方法、装置、电子设备、车辆及存储介质

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007133606A (ja) * 2005-11-09 2007-05-31 Denso Corp 車両用警告装置
CN102314772A (zh) * 2010-07-01 2012-01-11 北京中星微电子有限公司 一种车辆超速检测方法和装置及车辆超速报警系统
CN110969664A (zh) * 2018-09-30 2020-04-07 北京初速度科技有限公司 一种相机外部参数的动态标定方法
CN112102418A (zh) * 2020-09-16 2020-12-18 上海商汤临港智能科技有限公司 一种标定方法、装置、电子设备及存储介质
CN116164984A (zh) * 2023-02-28 2023-05-26 奇瑞新能源汽车股份有限公司 一种限速标志辅助系统道路试验装置及试验方法
CN117152267A (zh) * 2023-08-16 2023-12-01 浙江大学 一种基于gnss与单目相机外参标定的车辆速度估计方法
CN118061782A (zh) * 2024-03-26 2024-05-24 中国第一汽车股份有限公司 报警时间标定方法、装置、电子设备、车辆及存储介质

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