CN115465225A - Service life prolonging method and device of vehicle-mounted camera, vehicle and storage medium - Google Patents
Service life prolonging method and device of vehicle-mounted camera, vehicle and storage medium Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/30—Detection related to theft or to other events relevant to anti-theft systems
- B60R25/305—Detection related to theft or to other events relevant to anti-theft systems using a camera
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
- B60R25/102—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device a signal being sent to a remote location, e.g. a radio signal being transmitted to a police station, a security company or the owner
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
- B60R2025/1013—Alarm systems characterised by the type of warning signal, e.g. visual, audible
- B60R2025/1016—Remote signals alerting owner or authorities, e.g. radio signals
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Abstract
The application relates to the technical field of vehicles, in particular to a service life prolonging method and device of a vehicle-mounted camera, a vehicle and a storage medium, wherein the method comprises the following steps: detecting the current mode of the vehicle; when the mode of the current vehicle is detected to be a sentinel mode, identifying the actual state of the vehicle; and when the actual state is a preset normal state, controlling the vehicle-mounted camera to acquire the video data of the surrounding environment of the vehicle at a first target exposure frame rate, otherwise, controlling the vehicle-mounted camera to acquire the video data of the surrounding environment of the vehicle at a second target exposure frame rate which is greater than the first target exposure frame rate, so that the service life of the vehicle-mounted camera is prolonged by reducing the exposure frame rate in the preset normal state. Therefore, the problems that the service life of hardware is attenuated due to the fact that a vehicle sensor is started for a long time, and in an extreme case, the situation around the vehicle cannot be clearly recorded in the related art are solved.
Description
Technical Field
The present disclosure relates to the field of vehicle technologies, and in particular, to a method and an apparatus for prolonging a service life of a vehicle-mounted camera, a vehicle, and a storage medium.
Background
Based on the rapid development of the current automobile industry intelligent technology, more and more host factories begin to research and develop automatic driving products, one of the technical routes is to ensure the reliability of a sensing data result based on the data fusion of multiple sensors, so that a plurality of sensing sensors are added on a vehicle, not only can provide related functions of driving assistance in the driving process of the vehicle, but also can monitor the vehicle after the vehicle stops. However, when the user does not monitor the parking lot or the parking space with the camera, the vehicle cannot find the troublemaker even if the vehicle is maliciously damaged.
In the related art, after the vehicle is locked, the ultrasonic radar and the panoramic camera continuously work to monitor the surrounding environment of the vehicle, send an alarm when a moving obstacle is detected to approach, record a video to inform a user and execute a corresponding control strategy.
However, the related art does not consider the degradation of hardware life that may occur when the vehicle sensor is turned on for a long time, and in an extreme case, the situation of the vehicle surroundings may not be clearly recorded.
Disclosure of Invention
The application provides a service life prolonging method and device of a vehicle-mounted camera, a vehicle and a storage medium, and aims to solve the problems that in the related art, hardware life attenuation caused by long-time opening of a vehicle sensor is not considered, and in extreme cases, the situation around the vehicle cannot be clearly recorded.
An embodiment of a first aspect of the present application provides a method for prolonging a service life of a vehicle-mounted camera, including the following steps: detecting the current mode of the vehicle; when the current mode is detected to be a sentinel mode, identifying the actual state of the vehicle; and when the actual state is a preset normal state, controlling the vehicle-mounted camera to acquire the video data of the environment around the vehicle at a first target exposure frame rate, otherwise controlling the vehicle-mounted camera to acquire the video data of the environment around the vehicle at a second target exposure frame rate which is greater than the first target exposure frame rate, so that the service life of the vehicle-mounted camera is prolonged by reducing the exposure frame rate in the preset normal state.
According to the technical means, the vehicle can be in the sentinel mode, the high frame rate monitoring can be kept when the surrounding environment of the vehicle is abnormal, the situation that the surrounding environment of the vehicle cannot be recorded clearly under extreme conditions is effectively avoided, the exposure frame rate of the vehicle-mounted camera is reduced when the surrounding condition of the vehicle is normal, the purpose of prolonging the service life of the camera is achieved by reducing the exposure frame rate, the exposure frame rate of the vehicle-mounted camera is dynamically adjusted based on the actual condition around the vehicle, and the service life of the vehicle-mounted camera is prolonged while normal monitoring of the vehicle is achieved.
Optionally, in an embodiment of the present application, the identifying the actual state of the vehicle includes: judging whether a preset abnormal acceleration signal of the vehicle is detected or not; and when the preset abnormal acceleration signal is detected, judging that the actual state is a preset abnormal state, otherwise, judging that the actual state is the preset normal state.
According to the technical means, whether the vehicle is abnormal or not can be judged by monitoring the acceleration signal of the vehicle, so that the exposure frame rate of the camera can be adjusted in time, and the environment around the vehicle can be recorded more clearly.
Optionally, in an embodiment of the present application, when it is determined that the actual state is the preset abnormal state, the method further includes: reading first video data within a first preset time before the vehicle is in an abnormal state; acquiring second video data within a second preset time after the vehicle is in an abnormal state; uploading the first video data and the second video data value to a preset storage terminal so as to have the video data before and after the preset abnormal state.
According to the technical means, when the vehicle state is abnormal, the video data in a certain time before and after the abnormal condition can be uploaded to the storage terminal, so that the vehicle can provide corresponding evidence after being maliciously damaged, and a user can be helped to trace back to a responsible person.
Optionally, in an embodiment of the present application, when determining that the actual state is the preset abnormal state, the method further includes: and generating an abnormal prompt message based on the preset abnormal state, and sending the abnormal prompt message to a preset user terminal.
According to the technical means, the embodiment of the application can timely send the abnormal prompt information to the user terminal when the state of the vehicle is abnormal, timely remind a driver to check the surrounding environment of the vehicle and make a response, so that accidents are avoided.
Optionally, in an embodiment of the present application, before identifying the actual state of the vehicle, the method further includes: initializing the vehicle-mounted camera by using a preset initialization strategy; and when the initialization of the vehicle-mounted camera is detected to be completed, controlling the exposure frame rate of the vehicle-mounted camera to be a second preset exposure frame rate, and otherwise, generating a fault maintenance prompt of the vehicle-mounted camera.
According to the technical means, the vehicle-mounted camera can be initialized before the actual state of the vehicle is identified so as to ensure that the vehicle-mounted camera can work normally, and if the initialization is not completed or the self-checking is abnormal, a fault maintenance prompt is generated so as to remind a user of overhauling in time.
An embodiment of a second aspect of the present application provides a service life extension device for an on-vehicle camera, including: the detection module is used for detecting the current mode of the vehicle; the identification module is used for identifying the actual state of the vehicle when the current mode is detected to be a sentinel mode; and the extension module is used for controlling the vehicle-mounted camera to acquire the video data of the environment around the vehicle at a first target exposure frame rate when the actual state is a preset normal state, and otherwise, controlling the vehicle-mounted camera to acquire the video data of the environment around the vehicle at a second target exposure frame rate which is greater than the first target exposure frame rate, so that the service life of the vehicle-mounted camera is prolonged by reducing the exposure frame rate when the actual state is the preset normal state.
Optionally, in an embodiment of the present application, the identification module includes: the judging unit is used for judging whether a preset abnormal acceleration signal of the vehicle is detected or not; and the determining unit is used for judging that the actual state is a preset abnormal state when the preset abnormal acceleration signal is detected, and otherwise, judging that the actual state is the preset normal state.
Optionally, in an embodiment of the present application, the determining unit is further configured to read first video data within a first preset time period before the vehicle is in the abnormal state; acquiring second video data within a second preset time after the vehicle is in an abnormal state; uploading the first video data and the second video data value to a preset storage terminal so as to have the video data before and after the preset abnormal state.
Optionally, in an embodiment of the application, the determining unit is further configured to generate an exception prompting message based on the preset exception state, and send the exception prompting message to a preset user terminal.
Optionally, in an embodiment of the present application, the method further includes: the processing module is used for initializing the vehicle-mounted camera by using a preset initialization strategy before identifying the actual state of the vehicle; and when the initialization of the vehicle-mounted camera is detected to be completed, controlling the exposure frame rate of the vehicle-mounted camera to be a second preset exposure frame rate, and otherwise, generating a fault maintenance prompt of the vehicle-mounted camera.
An embodiment of a third aspect of the present application provides a vehicle, comprising: the system comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the program to realize the service life prolonging method of the vehicle-mounted camera.
A fourth aspect of the present application provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor, so as to implement the service life extension method of the vehicle-mounted camera according to the foregoing embodiments.
Therefore, the application has at least the following beneficial effects:
1. the embodiment of the application can be in a sentinel mode at a vehicle, and the surrounding environment of the vehicle keeps high frame rate monitoring when abnormal, so as to effectively avoid the situation that the surrounding environment of the vehicle cannot be clearly recorded under extreme conditions, and when the surrounding situation of the vehicle is normal, the exposure frame rate of the vehicle-mounted camera is reduced, so as to achieve the purpose of prolonging the service life of the camera through the exposure frame rate reduction, thereby dynamically adjusting the exposure frame rate of the vehicle-mounted camera based on the actual situation around the vehicle, and when the normal monitoring of the vehicle is achieved, the service life of the vehicle-mounted camera is prolonged.
2. The embodiment of the application can judge whether the vehicle has abnormal conditions or not by monitoring the acceleration signal of the vehicle so as to adjust the exposure frame rate of the camera in time and record the environment around the vehicle more clearly.
3. According to the embodiment of the application, when the vehicle state is abnormal, the video data in a certain time before and after the abnormal condition is uploaded to the storage terminal, so that the vehicle provides corresponding evidence after being maliciously damaged, and a user is helped to trace back to a person in charge.
4. According to the embodiment of the application, when the state of the vehicle is abnormal, the abnormal prompt information can be sent to the user terminal in time, the driver is reminded of checking the surrounding environment of the vehicle in time, and the response is made, so that accidents are avoided.
5. The embodiment of the application can identify the actual state of the vehicle, and the vehicle-mounted camera is initialized to ensure normal work of the vehicle-mounted camera, and if the initialization is not completed or the self-checking is abnormal, a fault maintenance prompt is generated to timely remind a user of overhauling.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a flowchart of a method for prolonging a service life of a vehicle-mounted camera according to an embodiment of the present application;
fig. 2 is a schematic diagram of a layout of a hardware vehicle according to an embodiment of the present application;
FIG. 3 is a schematic diagram of signal connections of system components according to an embodiment of the present application;
FIG. 4 is a schematic diagram of system data flow provided according to an embodiment of the present application;
FIG. 5 is a schematic diagram illustrating a user usage scenario provided in an embodiment of the present application;
fig. 6 is a block schematic diagram of a service life prolonging device of a vehicle-mounted camera according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a vehicle according to an embodiment of the present application.
Description of reference numerals: a detection module-100, an identification module-200, an extension module-300, a memory-701, a processor-702, and a communication interface-703.
Detailed Description
Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
A service life extension method and apparatus of an in-vehicle camera, a vehicle, and a storage medium according to embodiments of the present application are described below with reference to the drawings. In order to solve the problems mentioned in the background art, the application provides a method for prolonging the service life of a vehicle-mounted camera, in the method, when a vehicle is in a sentry mode and the surrounding environment of the vehicle is abnormal, high frame rate monitoring is kept, so that the situation that the surrounding environment of the vehicle cannot be clearly recorded under extreme conditions is effectively avoided, and when the surrounding environment of the vehicle is normal, the exposure frame rate of the vehicle-mounted camera is reduced, so that the purpose of prolonging the service life of the camera is achieved by reducing the exposure frame rate, the exposure frame rate of the vehicle-mounted camera is dynamically adjusted based on the actual situation around the vehicle, and the service life of the vehicle-mounted camera is prolonged while the normal monitoring of the vehicle is achieved. Therefore, the problems that the service life of hardware is attenuated due to the fact that a vehicle sensor is started for a long time, and in an extreme case, the situation around the vehicle cannot be clearly recorded in the related art are solved.
The vehicle provided by the embodiment of the application can be configured with a high-order intelligent driving auxiliary system, a driving area controller with high computational power is arranged at the vehicle end, and signals of sensing sensors (such as a forward-looking long-distance camera, a forward-looking short-distance camera, a panoramic camera, a rear-looking camera, a panoramic camera, a millimeter wave radar, a laser radar and the like) are accessed into the driving area controller.
Specifically, fig. 1 is a schematic flowchart of a method for prolonging a service life of a vehicle-mounted camera according to an embodiment of the present application.
As shown in fig. 1, the service life extension method of the vehicle-mounted camera comprises the following steps:
in step S101, the current mode of the vehicle is detected.
The mode that locates at present can include the sentinel mode etc. wherein, use the sentinel mode as an example, because when the vehicle is in the sentinel mode, this application embodiment can be through the mode increase of reduction exposure frame rate life, consequently need detect whether the vehicle is in the sentinel mode for the exposure frame rate of subsequent on-vehicle camera is adjusted.
In step S102, when it is detected that the current mode is the sentinel mode, the actual state of the vehicle is identified.
The sentinel mode of the embodiment of the application means that when the vehicle is in a parking state, a potential threat can be detected through an external camera of the vehicle. The user can look over the video information of camera all around the automobile body in real time through the cell-phone, and in case the vehicle is collided or removes, the environment around the vehicle will be recorded to outside camera to inform the car owner through cell-phone APP/SMS.
The embodiment of the application can control the vehicle-mounted camera to monitor the surrounding situation of the vehicle after the sentinel mode of the vehicle is started, and before the abnormal situation occurs, the exposure frequency of the camera is reduced in the control mode with low consumption, and the service life of the camera is prolonged. Therefore, the embodiment of the application can detect the current mode of the vehicle so as to dynamically adjust the frame rate of the vehicle-mounted camera according to the actual working condition of the vehicle.
In one embodiment of the present application, identifying an actual state of the vehicle includes: and when the preset abnormal acceleration signal is detected, judging that the actual state is the preset abnormal state, otherwise, judging that the actual state is the preset normal state.
It can be understood that the embodiment of the application can monitor the acceleration signal to judge whether the vehicle is abnormal or not, and when the acceleration signal is detected, the vehicle state can be judged to be abnormal, so that the exposure frame rate of the camera can be adjusted in time.
In step S103, when the actual state is the preset normal state, the vehicle-mounted camera is controlled to collect the video data of the environment around the vehicle at the first target exposure frame rate, otherwise, the vehicle-mounted camera is controlled to collect the video data of the environment around the vehicle at the second target exposure frame rate, which is greater than the first target exposure frame rate, so as to prolong the service life of the vehicle-mounted camera by reducing the exposure frame rate in the preset normal state.
The first target exposure frame rate and the second target exposure frame rate may be specifically set according to an actual situation, for example, the first target exposure frame rate is set to 5fps, and the second target exposure frame rate is set to 30fps, which is not specifically limited.
This application embodiment can be after the sentinel mode is opened to the vehicle, and driving field controller control panoramic camera carries out work, through the actual state of discernment vehicle, carries out dynamic adjustment to vehicle-mounted camera's frame rate. When the vehicle is in a normal state, the exposure frequency of the camera is reduced, so that the service life of the camera is prolonged, and when the vehicle is in an abnormal state, the exposure frame rate of the vehicle-mounted camera is improved, so that a clearer picture can be obtained.
Specifically, according to the embodiment of the application, a corresponding camera video deserializer can be controlled through a high-computing-power SoC (System on a chip) in a driving domain controller, when an abnormal acceleration signal is detected and the surrounding environment of a vehicle is abnormal, high-frame-rate monitoring is kept, the surrounding environment of the vehicle can be collected by the vehicle-mounted camera at an exposure frame rate of 30fps, the situation that the surrounding environment of the vehicle cannot be clearly recorded under extreme conditions is effectively avoided, the exposure frame rate of the vehicle-mounted camera is reduced when the surrounding environment of the vehicle is normal, the exposure frame rate of the vehicle-mounted camera can be reduced to 5fps, and therefore the purpose of prolonging the service life of the camera is achieved. As shown in table 1, when the vehicle is in the sentry mode, the camera is used for 8 hours per day at a frame rate of 30fps, and the longest use time is about 2.5 years. Wherein, table 1 is a service life extension example table of the vehicle-mounted camera.
TABLE 1
| Operating conditions | Camera frame rate | Time of day | Maximum length of time |
| Normal use | 30fps | 2h | For 10 years |
| Sentinel model | 30fps | 8h | About 2.5 years old |
| Sentinel model | 5fps/30fps | 7h/1h | Estimated about 8 years |
In an embodiment of the present application, when it is determined that the actual state is the preset abnormal state, the method further includes: reading first video data within a first preset time before the vehicle is in an abnormal state; acquiring second video data within a second preset time after the vehicle is in an abnormal state; uploading the first video data and the second video data value to a preset storage terminal so as to obtain the video data before and after the preset abnormal state.
The first preset time period and the second preset time period may be set and calibrated according to an actual situation, for example, 15s, which is not specifically limited.
Specifically, when the current state of the vehicle is abnormal, the embodiment of the application can receive an emergency request signal sent by a driving area controller, and after the request signal is received, the embodiment of the application can upload video data collected by an on-board camera in a certain time before and after the abnormal condition to a storage terminal, so that the vehicle can provide corresponding evidence after being maliciously damaged, and a user can be helped to trace back to a person in charge.
In an embodiment of the present application, when it is determined that the actual state is the preset abnormal state, the method further includes: and generating an abnormal prompt message based on the preset abnormal state, and sending the abnormal prompt message to a preset user terminal.
It can be understood that when the state of the vehicle is abnormal, the embodiment of the application can timely send the abnormal prompt information to the user terminal, timely remind the driver to check the surrounding environment of the vehicle and make a response, thereby avoiding accidents.
In one embodiment of the present application, before identifying the actual state of the vehicle, the method further comprises: initializing the vehicle-mounted camera by using a preset initialization strategy; and when the initialization of the vehicle-mounted camera is detected to be completed, controlling the exposure frame rate of the vehicle-mounted camera to be a second preset exposure frame rate, otherwise, generating a fault maintenance prompt of the vehicle-mounted camera.
It can be understood that, in the embodiment of the present application, before the actual state of the vehicle is identified, the vehicle-mounted camera may be initialized to ensure that the vehicle-mounted camera can work normally. If the initialization is successfully completed, the embodiment of the application can control the exposure frame rate of the vehicle-mounted camera to be the second preset exposure frame rate to collect the surrounding environment information, and then the corresponding adjustment is carried out according to the state of the vehicle. And if the initialization is not completed or the self-checking is abnormal, generating a fault maintenance prompt so as to prompt a user to overhaul in time.
The following describes a global path planning method for valet parking according to an embodiment of the present application in detail by using a specific embodiment.
As shown in fig. 2, the embodiment of the present application may configure a panoramic camera, a driving area controller, a combined navigation controller, a cockpit area controller (with a TF card slot), a microphone, a TF (Trans-flash) card, and a T-BOX (Telematics BOX) that are required for intelligent driving assistance. The specific introduction is as follows:
1) Panoramic camera: the FOV (Field of View) is 192 degrees, the pixel is 200 ten thousand, the frame rate is 30fps, and the short-distance video stream data of 360 degrees around the whole vehicle is provided, namely the Horizontal visual angle HFOV (Horizontal Field of View) is about 192 degrees, the Vertical visual angle VFOV (Vertical Field of View) is about 150 degrees, the design service life is as follows: 2 hours 365 days 10 years 7300 hours. The intelligent driving assistance system comprises a panoramic camera, a combined navigation controller, a cabin area controller (with a TF card slot), a microphone, a TF (Trans-flash) card and a T-BOX (Telematics BOX) which are required by intelligent driving assistance. As shown in fig. 3, in the panoramic camera sensor arranged around the vehicle according to the embodiment of the present invention, the original video stream may be input into the driving area controller through an LVDS (Low Voltage Differential Signaling) signal line, and the signal of the combined navigation controller is accessed into the driving area controller through a CANFD
2) The physical core parameter of driving domain control is the AI (intellectual intersection) calculation power of SoC, which needs 254AI TOPS (Tera Operations Per Second) -508 AI TOPS to control the exposure frame rate of the panoramic camera. After the sentry mode is started and the vehicle state is normal, the exposure frame rate of the camera is controlled to be 5fps, original image data of the panoramic camera are packaged, and the packaged original image data are output to the cabin area controller in real time for storage. And simultaneously monitoring the accessed acceleration signal of the combined navigation controller to judge whether the vehicle has abnormal conditions. When the vehicle state is abnormal, the exposure frame rate of the camera is timely switched to 30fps. And if the sentinel mode is not started, stopping the exposure of the panoramic camera.
3) The combined navigation controller detects vehicle acceleration signals and sends the vehicle acceleration signals to the driving area controller through CAN signals in time.
4) The core capability of the cockpit area controller is to receive the original video data stream transmitted by the driving area controller, and store the original video data stream in the TF card in combination with the sound information of the microphone. Storage space: the built-in memory is used for storing video data for more than or equal to 4 hours, and the estimated capacity is about 28.8GB, namely a 32GB eMMC memory is built in; the anti-tampering function is provided. Power-off protection: abnormal power failure of BAT requires that the video file at the power failure time is normal (a standby power supply, such as a super capacitor, needs to be added). As shown in fig. 4, four paths of original data of the panoramic camera are transmitted to a cockpit area controller in a YUV422 format through LVDS signal lines, the cockpit area controller receives video data streams and sound signals of a microphone and stores the video data streams and the sound signals into TF in a certain data format, and when the vehicle state is abnormal, the T-BOX acquires video data 15 seconds before and after the vehicle is abnormal from the cockpit area controller and uploads the video data to the cloud server.
5) The T-BOX is used as a connecting medium between the vehicle end and the cloud end, and after receiving an emergency request signal sent by the driving area controller, the T-BOX uploads video data stored in the cabin area controller 15 seconds before and after the vehicle is abnormal to the cloud end server.
The overall vehicle scene implementation of the overall path planning method for passenger-assisted parking according to the embodiment of the application is as shown in fig. 5, and the specific steps are as follows:
s501: the user gets off the vehicle, and after the functional mode of the sentinel is started, if the abnormality is detected, the step S502 is executed, and if the abnormality is detected, the step S504 is executed;
s502: the driving area controller can complete power supply, initialization and self-checking of the panoramic camera and receive video data of the camera; if the initialization and the self-checking of the camera are normal, the step S503 is executed, otherwise, the step S504 is executed;
s503: the SoC of the driving field controller controls the video deserializer of the camera and transfers data according to the data flow mode shown in fig. 4;
s504: the driving area controller sends out fault information, and the cloud prompts a user to overhaul;
s505: after the cockpit area controller normally receives the original data stream transmitted by the driving area controller, the data is stored in the TF card by combining the sound signal of the microphone. The user can play back the data stored in the TF card in real time on a central control screen of the vehicle, or take down the TF card from the vehicle end and put the TF card into a computer to play back the video;
s505: detecting an abnormal condition around the vehicle;
s507: in an emergency, the T-BOX acquires video data of 15 seconds before and after the vehicle is abnormal from a cockpit area controller and uploads the video data to a cloud server;
s508: and prompting the user that the vehicle condition is abnormal.
According to the service life prolonging method of the vehicle-mounted camera, when the vehicle is in a sentry mode and the surrounding environment of the vehicle is abnormal, high frame rate monitoring is kept, so that the situation that the surrounding environment of the vehicle cannot be clearly recorded under extreme conditions is effectively avoided, the exposure frame rate of the vehicle-mounted camera is reduced when the surrounding environment of the vehicle is normal, the purpose of prolonging the service life of the camera is achieved through reducing the exposure frame rate, the exposure frame rate of the vehicle-mounted camera is dynamically adjusted based on the actual condition around the vehicle, and the service life of the vehicle-mounted camera is prolonged while normal monitoring of the vehicle is achieved. Therefore, the problems that the service life of hardware is attenuated due to the fact that a vehicle sensor is started for a long time, and in an extreme case, the situation around the vehicle cannot be clearly recorded in the related art are solved.
Next, a service life extension device of a vehicle-mounted camera according to an embodiment of the present application will be described with reference to the drawings.
Fig. 6 is a block diagram illustrating a service life extension apparatus for a vehicle-mounted camera according to an embodiment of the present application.
As shown in fig. 6, the service life extension apparatus 10 of the in-vehicle camera includes: a detection module 100, an identification module 200, and an extension module 300.
The detection module 100 is used for detecting the current mode of the vehicle; the identification module 200 is used for identifying the actual state of the vehicle when the current mode is detected to be the sentinel mode; the extension module 300 is configured to control the vehicle-mounted camera to acquire video data of the environment around the vehicle at a first target exposure frame rate when the actual state is the preset normal state, and otherwise control the vehicle-mounted camera to acquire video data of the environment around the vehicle at a second target exposure frame rate greater than the first target exposure frame rate, so as to extend the service life of the vehicle-mounted camera by reducing the exposure frame rate when the actual state is the preset normal state.
In one embodiment of the present application, the identification module 200 includes: a judging unit and a determining unit.
The device comprises a judging unit, a judging unit and a judging unit, wherein the judging unit is used for judging whether a preset abnormal acceleration signal of the vehicle is detected or not; and the determining unit is used for judging that the actual state is the preset abnormal state when the preset abnormal acceleration signal is detected, and otherwise, judging that the actual state is the preset normal state.
In one embodiment of the application, the determining unit is further configured to read the first video data within a first preset time period before the vehicle is in the abnormal state; acquiring second video data within a second preset time after the vehicle is in an abnormal state; and uploading the first video data and the second video data value to a preset storage terminal so as to have video data before and after a preset abnormal state.
In an embodiment of the application, the determining unit is further configured to generate an exception notification message based on the preset exception state, and send the exception notification message to the preset user terminal.
In one embodiment of the present application, the apparatus 10 of the present application embodiment further comprises: and a processing module.
The processing module is used for initializing the vehicle-mounted camera by using a preset initialization strategy before identifying the actual state of the vehicle; and when the initialization of the vehicle-mounted camera is detected to be completed, controlling the exposure frame rate of the vehicle-mounted camera to be a second preset exposure frame rate, otherwise, generating a fault maintenance prompt of the vehicle-mounted camera.
It should be noted that the foregoing explanation of the embodiment of the method for prolonging the service life of the vehicle-mounted camera is also applicable to the service life prolonging device of the vehicle-mounted camera in this embodiment, and is not repeated herein.
According to the service life prolonging device of the vehicle-mounted camera, when a vehicle is in a sentry mode and the surrounding environment of the vehicle is abnormal, high frame rate monitoring is kept, the situation that the surrounding environment of the vehicle cannot be clearly recorded under extreme conditions is effectively avoided, the exposure frame rate of the vehicle-mounted camera is reduced when the surrounding environment of the vehicle is normal, the purpose of prolonging the service life of the camera is achieved through reducing the exposure frame rate, the exposure frame rate of the vehicle-mounted camera is dynamically adjusted based on the actual condition around the vehicle, and the service life of the vehicle-mounted camera is prolonged while normal monitoring of the vehicle is achieved. Therefore, the problems that the service life of hardware is attenuated due to the fact that a vehicle sensor is started for a long time, and in an extreme case, the situation around the vehicle cannot be clearly recorded in the related art are solved.
Fig. 7 is a schematic structural diagram of a vehicle according to an embodiment of the present application. The vehicle may include:
The processor 702 executes the program to implement the service life extension method of the in-vehicle camera provided in the above-described embodiment.
Further, the vehicle further includes:
a communication interface 703 for communicating between the memory 701 and the processor 702.
A memory 701 for storing computer programs operable on the processor 702.
The Memory 701 may include a high-speed RAM (Random Access Memory) Memory, and may also include a non-volatile Memory, such as at least one disk Memory.
If the memory 701, the processor 702 and the communication interface 703 are implemented independently, the communication interface 703, the memory 701 and the processor 702 may be connected to each other through a bus and perform communication with each other. The bus may be an ISA (Industry Standard Architecture) bus, a PCI (Peripheral Component interconnect) bus, an EISA (Extended Industry Standard Architecture) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 7, but this is not intended to represent only one bus or type of bus.
Optionally, in a specific implementation, if the memory 701, the processor 702, and the communication interface 703 are integrated on a chip, the memory 701, the processor 702, and the communication interface 703 may complete mutual communication through an internal interface.
The processor 702 may be a CPU (Central Processing Unit), an ASIC (Application Specific Integrated Circuit), or one or more Integrated circuits configured to implement embodiments of the present Application.
The embodiment of the application further provides a computer-readable storage medium, on which a computer program is stored, and when the program is executed by a processor, the method for prolonging the service life of the vehicle-mounted camera is implemented.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or N embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "N" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more N executable instructions for implementing steps of a custom logic function or process, and alternate implementations are included within the scope of the preferred embodiment of the present application in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of implementing the embodiments of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the N steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a programmable gate array, a field programmable gate array, or the like.
It will be understood by those skilled in the art that all or part of the steps carried out in the method of implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and the program, when executed, includes one or a combination of the steps of the method embodiments.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. A service life prolonging method of a vehicle-mounted camera is characterized by comprising the following steps:
detecting the current mode of the vehicle;
when the current mode is detected to be a sentinel mode, identifying the actual state of the vehicle;
and when the actual state is a preset normal state, controlling the vehicle-mounted camera to acquire the video data of the environment around the vehicle at a first target exposure frame rate, otherwise controlling the vehicle-mounted camera to acquire the video data of the environment around the vehicle at a second target exposure frame rate which is greater than the first target exposure frame rate, so that the service life of the vehicle-mounted camera is prolonged by reducing the exposure frame rate in the preset normal state.
2. The method of claim 1, wherein the identifying the actual state of the vehicle comprises:
judging whether a preset abnormal acceleration signal of the vehicle is detected or not;
and when the preset abnormal acceleration signal is detected, judging that the actual state is a preset abnormal state, otherwise, judging that the actual state is the preset normal state.
3. The method according to claim 2, when it is determined that the actual state is a preset abnormal state, further comprising:
reading first video data within a first preset time before the vehicle is in an abnormal state;
acquiring second video data within a second preset time after the vehicle is in an abnormal state;
uploading the first video data and the second video data to a preset storage terminal so as to obtain the video data before and after the preset abnormal state.
4. The method according to claim 2, when it is determined that the actual state is a preset abnormal state, further comprising:
and generating an abnormal prompt message based on the preset abnormal state, and sending the abnormal prompt message to a preset user terminal.
5. The method of any of claims 1-4, further comprising, prior to identifying the actual state of the vehicle:
initializing the vehicle-mounted camera by using a preset initialization strategy;
and when the initialization of the vehicle-mounted camera is detected to be completed, controlling the exposure frame rate of the vehicle-mounted camera to be a second preset exposure frame rate, and otherwise, generating a fault maintenance prompt of the vehicle-mounted camera.
6. The utility model provides a life extension fixture of on-vehicle camera which characterized in that includes:
the detection module is used for detecting the current mode of the vehicle;
the identification module is used for identifying the actual state of the vehicle when the current mode is detected to be a sentinel mode;
and the extension module is used for controlling the vehicle-mounted camera to acquire the video data of the environment around the vehicle at a first target exposure frame rate when the actual state is a preset normal state, and otherwise, controlling the vehicle-mounted camera to acquire the video data of the environment around the vehicle at a second target exposure frame rate which is greater than the first target exposure frame rate, so that the service life of the vehicle-mounted camera is prolonged by reducing the exposure frame rate when the actual state is the preset normal state.
7. The apparatus of claim 6, wherein the identification module comprises:
the judging unit is used for judging whether a preset abnormal acceleration signal of the vehicle is detected or not;
and the determining unit is used for judging that the actual state is a preset abnormal state when the preset abnormal acceleration signal is detected, and otherwise, judging that the actual state is the preset normal state.
8. The apparatus of claim 7, wherein the determining unit is further configured to:
reading first video data within a first preset time before the vehicle is in an abnormal state;
acquiring second video data within a second preset time after the vehicle is in an abnormal state;
uploading the first video data and the second video data value to a preset storage terminal so as to have the video data before and after the preset abnormal state.
9. A vehicle, characterized by comprising: memory, a processor and a computer program stored on the memory and executable on the processor, the processor executing the program to implement the method for extending the service life of an in-vehicle camera according to any one of claims 1 to 5.
10. A computer-readable storage medium, on which a computer program is stored, characterized in that the program is executed by a processor for implementing the life extension method of the in-vehicle camera head according to any one of claims 1 to 5.
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