CN113691798B - Vehicle-mounted camera operation reliability detection system, method and computer equipment - Google Patents
Vehicle-mounted camera operation reliability detection system, method and computer equipment Download PDFInfo
- Publication number
- CN113691798B CN113691798B CN202110913233.0A CN202110913233A CN113691798B CN 113691798 B CN113691798 B CN 113691798B CN 202110913233 A CN202110913233 A CN 202110913233A CN 113691798 B CN113691798 B CN 113691798B
- Authority
- CN
- China
- Prior art keywords
- camera
- environment
- temperature
- vehicle
- blowing
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000012360 testing method Methods 0.000 claims abstract description 109
- 238000004088 simulation Methods 0.000 claims abstract description 73
- 238000000605 extraction Methods 0.000 claims abstract description 68
- 230000007613 environmental effect Effects 0.000 claims abstract description 32
- 238000007664 blowing Methods 0.000 claims description 107
- 238000004590 computer program Methods 0.000 claims description 28
- 239000011521 glass Substances 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000011156 evaluation Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 6
- 241001465754 Metazoa Species 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 239000003595 mist Substances 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 7
- 239000000284 extract Substances 0.000 description 5
- 238000012795 verification Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- -1 that is Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
Abstract
The application relates to a vehicle-mounted camera operation reliability detection system, a method and computer equipment. The system comprises: the environment simulation device is used for simulating the environment of the vehicle in which the test camera is positioned; the controller is used for simulating the surrounding scene of the vehicle and transmitting the environment information of the surrounding scene of the vehicle to the camera simulator; the camera simulator is used for generating a video stream reflecting the scene around the vehicle according to the environmental information and transmitting the video stream to the display screen so as to trigger the display screen to play the video stream; the test camera is used for shooting the played video stream in the simulated in-vehicle environment; the test camera is further used for extracting a simulation extraction image from the scene image obtained through shooting based on a preset extraction rule, and transmitting the simulation extraction image to the controller so as to trigger the controller to detect the operation reliability of the test camera according to the simulation extraction image. By adopting the system, the comprehensiveness of the detection result can be improved.
Description
Technical Field
The application relates to the technical field of camera performance test, in particular to a vehicle-mounted camera operation reliability detection system, a method and computer equipment.
Background
The vehicle-mounted camera is video input equipment, is widely applied to the aspects of advanced auxiliary driving, automatic driving systems and the like, and can be used for rapidly sensing the environmental change around the vehicle so as to give prompt to a driver or directly participate in emergency braking, and the probability of traffic accidents of the vehicle can be effectively reduced. How to test and verify the environmental suitability of the on-board camera is an important problem for realizing mass production.
At present, an intelligent vehicle camera testing system is put into detecting the operation reliability of a vehicle-mounted camera, the system mainly detects the operation reliability of the vehicle-mounted camera in a daily environment, and has certain effectiveness, but has no effective coping strategy for a series of problems such as temperature drift and vibration noise of the vehicle-mounted camera at present, and has the problem of incomplete detection.
Disclosure of Invention
Based on the foregoing, it is necessary to provide a system, a method and a computer device for detecting the operational reliability of an on-vehicle camera, which can improve the detection comprehensiveness.
An on-vehicle camera operational reliability detecting system, the system includes environment simulation device, camera simulator, display screen, controller and actually locates the test camera in the target vehicle, wherein:
the environment simulation device is used for simulating the environment in the vehicle where the test camera is located;
the controller is used for simulating a vehicle surrounding scene based on the real road environment where the target vehicle is located, and transmitting environment information corresponding to the simulated vehicle surrounding scene to the camera simulator;
the camera simulator is used for generating a video stream reflecting the surrounding scene of the vehicle according to the received environmental information, and transmitting the video stream to a display screen so as to trigger the display screen to play the video stream;
the test camera is used for shooting the played video stream in the simulated in-vehicle environment to obtain a corresponding scene image; the test camera is further used for extracting a simulation extraction image comprising a shooting object from the scene image based on a preset extraction rule, and transmitting the simulation extraction image to the controller so as to trigger the controller to detect the operation reliability of the test camera in a corresponding detection mode according to the simulation extraction image.
An in-vehicle camera operational reliability detection method suitable for use in the system of any one of the above claims, the method comprising:
simulating the in-vehicle environment in which the test camera is positioned through the environment simulation device;
simulating a vehicle surrounding scene based on the real road environment of the target vehicle by the controller, and transmitting environment information corresponding to the simulated vehicle surrounding scene to the camera simulator;
generating a video stream reflecting the scene around the vehicle according to the received environmental information through the camera simulator, and transmitting the video stream to a display screen to trigger the display screen to play the video stream;
shooting the played video stream in the simulated in-vehicle environment through the test camera to obtain a corresponding scene image; and extracting a simulation extraction image comprising a shooting object from the scene image by the test camera based on a preset extraction rule, and transmitting the simulation extraction image to a controller so as to trigger the controller to detect the operation reliability of the test camera in a corresponding detection mode according to the simulation extraction image.
A computer device comprising a memory storing a computer program and a processor which when executing the computer program performs the steps of:
simulating the in-vehicle environment in which the test camera is positioned through the environment simulation device;
simulating a vehicle surrounding scene based on the real road environment of the target vehicle by the controller, and transmitting environment information corresponding to the simulated vehicle surrounding scene to the camera simulator;
generating a video stream reflecting the scene around the vehicle according to the received environmental information through the camera simulator, and transmitting the video stream to a display screen to trigger the display screen to play the video stream;
shooting the played video stream in the simulated in-vehicle environment through the test camera to obtain a corresponding scene image; and extracting a simulation extraction image comprising a shooting object from the scene image by the test camera based on a preset extraction rule, and transmitting the simulation extraction image to a controller so as to trigger the controller to detect the operation reliability of the test camera in a corresponding detection mode according to the simulation extraction image.
A computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of:
simulating the in-vehicle environment in which the test camera is positioned through the environment simulation device;
simulating a vehicle surrounding scene based on the real road environment of the target vehicle by the controller, and transmitting environment information corresponding to the simulated vehicle surrounding scene to the camera simulator;
generating a video stream reflecting the scene around the vehicle according to the received environmental information through the camera simulator, and transmitting the video stream to a display screen to trigger the display screen to play the video stream;
shooting the played video stream in the simulated in-vehicle environment through the test camera to obtain a corresponding scene image; and extracting a simulation extraction image comprising a shooting object from the scene image by the test camera based on a preset extraction rule, and transmitting the simulation extraction image to a controller so as to trigger the controller to detect the operation reliability of the test camera in a corresponding detection mode according to the simulation extraction image.
According to the vehicle-mounted camera operation reliability detection system, the method, the computer equipment and the storage medium, before the test camera is put into use, the states of the camera in different use environments, such as high temperature and high humidity, high temperature, normal temperature and low temperature, are simulated through the environment simulation device according to the setting positions of the test camera in the target vehicle, the vehicle-mounted camera operation reliability detection system, the method, the computer equipment and the storage medium are not only limited to verifying the camera operation reliability in the normal temperature environment, but also ensure the comprehensiveness of detection results under the condition that the simulation environment is more matched with the working environment of the real camera, and the detection effect is better. In addition, based on the fact that the test camera is in the simulated vehicle environment, the controller extracts the simulated extraction image comprising the shooting object, and the operation reliability of the test camera is detected, so that the environment reliability test verification of the camera in the working state is realized, and the reliability of detection data is guaranteed.
Drawings
FIG. 1 is an application environment diagram of a vehicle camera operational reliability detection system in one embodiment;
FIG. 2 is a block diagram of a system for detecting operational reliability of an onboard camera in one embodiment;
FIG. 3 is a flow chart of a method for detecting operational reliability of an onboard camera in one embodiment;
Fig. 4 is an internal structural diagram of a computer device in one embodiment.
Description of the drawings: 1. a vibration generating device; 2. a temperature and humidity environment box; 3. vibrating the table top; 4. a camera turntable; 5. a normal temperature box; 6. a double-sided transparent glass cover; 7. a camera body; 8. a display screen; 9. a video transmission line; 10. a camera transmission line; 11. a camera simulator; 12. post-processing of a camera; 13. a controller; 14. a control line; 15. a control line; 16. a blowing device body; 17. a hose; 18. a first exhaust duct; 19. a first air blowing pipe; 20. a second air blowing pipe; 21. and a second exhaust duct.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
The vehicle-mounted camera operation reliability detection system provided by the application can be applied to an application environment shown in fig. 1. In the application environment illustrated in fig. 1, the system comprises an environment simulation device consisting of a vibration generating device 1, a temperature and humidity environment box 2, a vibration table top 3 and a normal temperature box 5, a test camera consisting of a camera turntable 4, a camera body 7 and a camera post-treatment 12, a display screen 8, a camera simulator 11 and a controller 13. In addition, the normal temperature case 5 partitions the case interior region of the temperature and humidity environment case 2 into a normal temperature region corresponding to a preset temperature and humidity level and a temperature change region corresponding to a simulated in-vehicle temperature and humidity environment. The system also comprises a dry blowing device which consists of a blowing device body 16, a hose 17, a first exhaust pipeline 18 communicated with the normal temperature area, a first blowing pipeline 19 communicated with the normal temperature area, a second blowing pipeline 20 communicated with the temperature changing area and a second exhaust pipeline 21 communicated with the temperature changing area. Wherein:
(1) The display screen is connected to the camera simulator through the video transmission line, and the camera body is connected to camera aftertreatment through the camera data line, and the controller is connected to the camera simulator through the control line, and the controller is connected to camera aftertreatment through the control line.
(2) The vibration generating device and the temperature and humidity environment box are two independent environment simulators, and the vibration generating device is arranged right below the temperature and humidity environment box. Of course, in the present embodiment, the vibration generating device may be disposed at other positions, for example, the left side, the right side, etc. of the temperature and humidity environment box, which is not limited by the comparison of the embodiment of the present application.
(3) The vibrating table is in a cylindrical structure and comprises a top surface and a bottom surface. In one embodiment, one side surface of the vibration table top 3 facing the temperature and humidity environment box is taken as a top surface; the other side surface of the vibration table surface facing the vibration generating device is set as the bottom surface. The vibration generating device is fixed at the bottom surface, and the camera turntable arranged at the bottom of the temperature and humidity environment box is fixed at the top surface.
(4) The camera body detachable sets up on the camera revolving stage, and the fixed setting of camera revolving stage is on vibrating table surface, like this, can be through the vibration transmission of vibration generating device with the output to the camera body to carry out the construction of in-vehicle vibration environment. The display screen sets up in the normal atmospheric temperature case, and, the width of normal atmospheric temperature case suits with the width of humiture environment case, and the height of normal atmospheric temperature case suits with the height of display screen.
(5) The blowing device body is arranged outside the temperature and humidity environment box, and on one hand, the blowing device body is connected to a corresponding first blowing pipeline and a corresponding second blowing pipeline through hoses respectively. Wherein, first gas blowing pipeline and second gas blowing pipeline set up in the both sides of two-sided transparent glass cover. On the other hand, the blower body is connected to the corresponding first and second exhaust pipes, respectively, through hoses.
(6) The controller may be an upper computer capable of directly issuing a manipulation command. The camera turntable can be a stepping control system, and the camera body can be driven to rotate at a large angle through the camera turntable. The hose may be a plastic hose, and the plastic hose is generally manufactured by extrusion processing of synthetic resin, that is, polyester, as a raw material, with the addition of a stabilizer, a lubricant, a plasticizer, and the like, in a "plastic" manner in a pipe making machine.
In one embodiment, the operation reliability of the vehicle-mounted camera is detected by the following steps:
and S11, simulating the in-vehicle environment in which the test camera is positioned through an environment simulation device.
Step S12, simulating a vehicle surrounding scene based on the real road environment where the target vehicle is located through the controller, and transmitting environment information corresponding to the simulated vehicle surrounding scene to the camera simulator.
And S13, generating a video stream reflecting the scene around the vehicle by the camera simulator according to the received environmental information, and transmitting the video stream to the display screen so as to trigger the display screen to play the video stream.
Step S14, shooting a played video stream in a simulated in-vehicle environment through a test camera to obtain a corresponding scene image; and extracting a simulated extraction image comprising the shooting object from the scene image by the test camera based on a preset extraction rule, and transmitting the simulated extraction image to the controller so as to trigger the controller to detect the operation reliability of the test camera according to the simulated extraction image by a corresponding detection mode.
In one embodiment, in order to avoid the generation of condensed water mist in the simulated in-vehicle environment, a fixed amount of dry gas may be blown into the normal temperature region through the blowing device body 16 based on the first blowing duct 19 to which the hose 17 is correspondingly connected. The second air blowing pipeline 20 correspondingly connected to the hose 17 can blow quantitative dry air into the temperature changing area through the air blowing device body 16, so that water mist generated in the box body inner area of the temperature and humidity environment box and condensed water drops generated on the cover body surface of the glass cover are avoided, and the image definition of the simulated extraction image is affected.
In one embodiment, in order to maintain the air pressure in the simulated in-vehicle environment at the preset air pressure level, a certain amount of pressurized air may be discharged through the blower body 16 based on the first and second air discharge pipes 18 and 21 to which the hose 17 is correspondingly connected, so that the air pressure inside the normal temperature region and the temperature change region is maintained at the preset air pressure level.
In the application scene, on one hand, the environment simulation device simulates the states of the camera in different use environments, so that the simulation environment is more matched with the working environment of the real camera, and the detection effect is better. And the vibration generating device and the temperature and humidity environment box are arranged separately, so that a test piece and a workpiece can be conveniently installed, and the installation efficiency of the test piece and the workpiece is improved. On the other hand, the drying and blowing device blows quantitative drying gas into the normal temperature area, the temperature changing area and the two sides of the glass cover, so that water mist can be prevented from being generated in the box body inner area of the temperature and humidity environment box, condensed water drops can be prevented from being generated on the cover body surface of the glass cover, and the image definition of the simulated extraction image is ensured.
In one embodiment, as shown in fig. 2, there is provided an on-vehicle camera operational reliability detection system 200, the system 200 comprising an environmental simulation device 201, a display screen 203, a camera simulator 204, a controller 205, and a test camera 202 actually disposed within a target vehicle, wherein:
The environment simulation device 201 is used for simulating the environment of the vehicle in which the test camera is located.
Specifically, the environment simulation device 201 is configured to obtain an in-vehicle environment index (i.e., temperature, humidity, and vibration environment index) of the target vehicle, and simulate an in-vehicle environment where the test camera is located based on the obtained in-vehicle environment index, so as to ensure that the test environment simulated by the environment simulation device is more matched with the working environment of the real camera. The in-vehicle environmental index may be acquired through a data acquisition device disposed in the target vehicle, and the acquired in-vehicle environmental index may also need to undergo corresponding data processing, for example, key feature extraction, related parameter conversion calculation, and the like, to obtain a final required environmental parameter, where the final calculated environmental parameter is further input into an environmental simulation device, so that the environmental simulation device simulates the in-vehicle environment. In one embodiment, the data acquisition device includes a temperature and humidity sensor and a vibration sensor, and of course, other types of sensors may be included, which is not limited in this embodiment of the present application.
And the controller is used for simulating the surrounding scene of the vehicle based on the real road environment of the target vehicle, and transmitting the environment information corresponding to the simulated surrounding scene of the vehicle to the camera simulator.
Specifically, the controller is further configured to simulate a surrounding scene of the vehicle based on the obtained simulation model adapted to the real road environment, where the simulated surrounding scene of the vehicle may include a traffic condition scene where the target vehicle is located, for example, a traffic light switching scene displayed in real time on the signal lamp and a traffic limiting scene such as a forward running scene and a left running scene of the vehicle when the target vehicle runs to a corresponding intersection. The method can also comprise a weather condition scene where the target vehicle is currently located, and the like, and the specific simulated surrounding scene of the vehicle can be dynamically transformed according to the real environment of the road.
The camera simulator is used for generating a video stream reflecting the scene around the vehicle according to the received environmental information, and transmitting the video stream to the display screen so as to trigger the display screen to play the video stream.
Specifically, the camera simulator is further configured to store various scene libraries based on the inside, wherein video scenes in the scene libraries are all recorded or compiled in advance, select and combine corresponding video scenes according to the received environmental information to form a video stream, and transmit the video stream to the display screen for display when the video stream is determined to be successfully connected to the display screen. It should be noted that, the camera simulator can directly drive the display screen to play video, and the playing decoder is integrated in the camera simulator, and the display screen only needs to display video stream.
The test camera is used for shooting the played video stream in the simulated in-vehicle environment to obtain a corresponding scene image; the test camera is also used for extracting a simulation extraction image comprising a shooting object from the scene image based on a preset extraction rule, and transmitting the simulation extraction image to the controller so as to trigger the controller to detect the operation reliability of the test camera according to the simulation extraction image in a corresponding detection mode.
Specifically, the controller is further used for acquiring a simulation model which is adapted to the real environment of the road, and calling the simulation model to simulate the scene around the vehicle; wherein the photographic subject simulated via the camera simulator includes at least one of other vehicles, pedestrians, animals, road signs, moving obstacles, and fixed obstacles located around the target vehicle; the detection mode comprises an environment adaptability evaluation mode, the controller is further used for acquiring an actual extraction image of a shooting object in a scene around the vehicle when the operation reliability of the test camera is judged based on the environment adaptability evaluation mode, matching the actual extraction image with the simulation extraction image to obtain a corresponding environment adaptability matching result, and verifying the operation reliability of the test camera through the environment adaptability matching result.
It should be noted that, the environmental adaptability evaluation mode is to the interior environmental index of the vehicle, determines whether the camera can work normally under the environmental index requirement, and if it is determined that the camera can work normally under the environmental index requirement, considers that the camera is adapted to the environmental index. Otherwise, the camera is considered to be poorly adaptable in this environment. In one embodiment, when the controller acquires the actual extracted image a and the corresponding simulated extracted image B, matching the image similarity between the image a and the image B, and if the two images are determined to match, considering that the test camera can normally work under the environmental index requirement, and has corresponding operation reliability. Otherwise, the test camera is considered to have no operational reliability. In one embodiment, the controller may perform image similarity matching between image a and image B based on a gray scale matching approach. Of course, other image similarity matching methods, such as feature-based matching methods, relationship-based matching methods, and the like, may be used in the present embodiment, which is not limited in this embodiment.
According to the vehicle-mounted camera operation reliability detection system, before the test camera is put into use, the states of the camera in different use environments, such as high temperature, high humidity, high temperature, normal temperature, low temperature and the like, are simulated through the environment simulation device according to the setting position of the test camera in the target vehicle, the vehicle-mounted camera operation reliability detection system is not only limited to verifying the camera operation reliability in the normal temperature environment, and the comprehensiveness of detection results is guaranteed under the condition that the simulation environment is more matched with the working environment of the real camera, so that the detection effect is better. In addition, based on the fact that the test camera is in the simulated vehicle environment, the controller extracts the simulated extraction image comprising the shooting object, the operation reliability of the test camera is detected, the environment reliability test verification of the camera in the working state is achieved, and the reliability of detection data is guaranteed.
In one embodiment, the environment simulation device comprises a temperature and humidity environment box for simulating the temperature and humidity environment in the vehicle and a vibration table for simulating the vibration environment in the vehicle; wherein: the temperature and humidity environment comprises at least one of high temperature and humidity, high temperature, normal temperature and low temperature and high humidity, and the vibration environment comprises at least one of vibration and impact; the testing camera is arranged at the bottom of the box body of the temperature and humidity environment box, and the display screen is arranged at one side of the testing camera, which is opposite to the front surface of the testing camera, and is close to the top of the box body of the temperature and humidity environment box.
Note that, high Wen Juti refers to a higher temperature. The specific values referred to are different in different instances, for example, in some techniques it refers to temperatures above a few thousand degrees celsius; for example, in chinese weather, when the highest daily air temperature reaches 35 ℃ or higher, the weather is called high temperature weather, and based on this, the temperature range of the high temperature is not limited in the embodiment of the present application, and may be determined by the host factory according to the installation position and the use condition of the sample. The normal temperature refers specifically to a general temperature or room temperature, which is generally defined as 25 degrees celsius in a general case; of course, it can also be determined by the host factory according to the installation position and the working condition of the sample, and the temperature range of the normal temperature is not limited in the embodiment of the application. The low temperature is commonly called cold, and can also be determined by a host factory according to the installation position and the use working condition of the sample, and the embodiment of the application is not limited to this. High temperature and high humidity are a relative concept, referring to a certain climate or weather feature. If the requirement for forming the tropical rain forest is high temperature and high humidity, the annual average air temperature reaches more than 25 ℃, the annual rainfall reaches more than 1800mm, and the relative humidity is more than 95%, which is the characteristic of high temperature and high humidity weather. However, the weather characteristics of high temperature and high humidity have no absolute index, and if a certain period of time is high temperature and high humidity, the human body feels particularly damp and hot at the moment, and the relative humidity is possibly more than 90 percent, and the temperature is more than 30 ℃.
Specifically, please refer to fig. 1, the top of the box body of the temperature and humidity environment box is further provided with a normal temperature box, and the display screen is arranged inside the box body of the normal temperature box, wherein: the width of the normal temperature box is adapted to the width of the temperature and humidity environment box, and the height of the normal temperature box is larger than that of the display screen; a double-sided transparent glass cover is arranged on one side of the normal temperature box facing the test camera, and an anti-frosting coating is arranged on the surface of the cover body of the glass cover; the normal temperature box is used for isolating the display screen from the current simulated temperature and humidity environment in the vehicle so as to keep the running temperature and humidity of the display screen at a preset temperature and humidity level.
In the embodiment, the display screen is isolated from the high-temperature and high-humidity environment brought by the temperature and humidity environment box through the normal temperature box, so that the normal use of the display screen and the timely playing of the video stream are further ensured.
In one embodiment, the top of the box body of the temperature and humidity environment box is further provided with a normal temperature box, and the normal temperature box divides the box body inner area of the temperature and humidity environment box into a normal temperature area corresponding to a preset temperature and humidity level and a temperature changing area corresponding to a simulated temperature and humidity environment in the vehicle; the system still includes dry gas blowing device, and dry gas blowing device includes gas blowing device body, hose, with the first gas blowing pipeline of normal atmospheric temperature regional intercommunication and with the second gas blowing pipeline of alternating temperature regional intercommunication, wherein: the air blowing device body is respectively connected to the first air blowing pipeline and the second air blowing pipeline through hoses; the blowing device body is used for blowing quantitative dry gas into the normal temperature area through the first blowing pipeline and blowing quantitative dry gas into the temperature changing area through the second blowing pipeline so as to prevent water mist from being generated in the normal temperature area and the temperature changing area.
Specifically, the dry blowing device still includes with the first exhaust duct of normal atmospheric temperature region intercommunication and with the second exhaust duct of alternating temperature region intercommunication, wherein: the air blowing device body is arranged outside the temperature and humidity environment box, the first air blowing pipeline and the second air blowing pipeline are arranged on two sides of the glass cover, and the air blowing device body is also used for blowing quantitative dry air into two sides of the glass cover through the first air blowing pipeline and the second air blowing pipeline and preventing condensed water drops on the surface of the cover body of the glass cover; the blowing device body is connected to the first exhaust duct and the second exhaust duct through hoses, respectively, and the blowing device body is further used for discharging a fixed amount of pressurized gas through the first exhaust duct and the second exhaust duct so that the air pressure inside the normal temperature area and the temperature change area is kept at a preset air pressure level.
In the above-mentioned embodiment, on the one hand, through the pipeline of blowing, blow in quantitative dry gas to the inside region of box of humiture environment case, avoided the inside water smoke that produces of humiture environment case, influence test camera to the shooting of video stream. On the other hand, through exhaust duct, from the inside quantitative pressurized gas of discharging of humiture environment case to avoid the inside atmospheric pressure of humiture environment case too high, influence detection effect.
In one embodiment, a test camera includes a camera body and a camera turret, and a vibration table includes a vibration generating device and a vibration table, wherein: the camera body is arranged on the camera turntable, the camera turntable is arranged at the bottom of the box body of the temperature and humidity environment box and is fixed on the vibration table top, and the camera turntable is used for adjusting the rotation angle of the camera body so that the camera body shoots pictures displayed on the display screen according to the adjusted corresponding shooting angle; the vibration generating device is used for transmitting the output vibration to the camera body so as to construct the vibration environment in the vehicle.
Specifically, on the one hand, the camera revolving stage drives the camera body and carries out the rotation of wide angle based on manual mechanical regulation mode. In one embodiment, the camera body can be driven to rotate step by step at a fixed angle (the angle is generally called as a "step angle") according to a preset rotation direction, wherein the angular displacement can be controlled by controlling the number of pulses, so that the purpose of accurate positioning is achieved. On the other hand, the vibration generating device is driven by the electromagnetic vibration table to rotate at a high speed, so that high-frequency micro-amplitude vibration is generated, and the vibration frequency can reach 12000-15000 times/min. The electromagnetic vibration table mainly pushes the workbench surface to amplify and damp vibration in the vertical direction through an electromagnetic excitation control device.
In the above embodiment, the camera body is driven to rotate at multiple angles through the camera turntable, so that the camera body can shoot pictures displayed on the display screen from multiple shooting angles, the full completeness of shot pictures is guaranteed, and the comprehensiveness of detection results is improved.
Referring to fig. 3, a method for detecting operational reliability of a vehicle-mounted camera suitable for the system disclosed in any one of the above embodiments is provided, including the following steps:
step S302, simulating the in-vehicle environment where the test camera is located through an environment simulation device.
Step S304, the controller simulates the surrounding scene of the vehicle based on the real road environment of the target vehicle, and transmits the environment information corresponding to the simulated surrounding scene of the vehicle to the camera simulator.
Step S306, generating a video stream reflecting the scene around the vehicle by the camera simulator according to the received environmental information, and transmitting the video stream to the display screen to trigger the display screen to play the video stream.
Step S308, shooting a played video stream in a simulated in-vehicle environment through a test camera to obtain a corresponding scene image; and extracting a simulated extraction image comprising the shooting object from the scene image by the test camera based on a preset extraction rule, and transmitting the simulated extraction image to the controller so as to trigger the controller to detect the operation reliability of the test camera according to the simulated extraction image by a corresponding detection mode.
In one embodiment, the method further comprises: and isolating the display screen from the current simulated temperature and humidity environment in the vehicle through the normal temperature box, so that the running temperature and humidity of the display screen are kept at a preset temperature and humidity level.
In one embodiment, the method further comprises: through the blowing device body, the first blowing pipeline that corresponds to be connected based on the hose blows quantitative dry gas to corresponding normal atmospheric temperature region to and the second blowing pipeline that corresponds to be connected based on the hose blows quantitative dry gas to corresponding alternating temperature region to prevent normal atmospheric temperature region and the inside water smoke that produces of alternating temperature region.
In one embodiment, when it is determined that the air blowing device body is provided outside the temperature and humidity environment box and the first air blowing pipeline and the second air blowing pipeline are provided at both sides of the glass cover, the method further includes: the first blowing pipeline and the second blowing pipeline which are correspondingly connected with the air blowing device body based on the hose are used for blowing quantitative dry gas into two sides of the glass cover, and preventing condensed water drops on the surface of the cover body of the glass cover.
In one embodiment, the method further comprises: through the blowing device body, based on the first exhaust duct and the second exhaust duct to which the hose is correspondingly connected, a fixed amount of pressurized gas is discharged so that the air pressures inside the normal temperature region and the temperature change region are maintained at a preset air pressure level.
In one embodiment, when it is determined that the camera body is mounted on the camera turret and the vibration table includes the vibration generating device and the vibration table top, the method further includes: the rotation angle of the camera body is adjusted through the camera turntable, so that the camera body shoots pictures displayed on the display screen according to the adjusted corresponding shooting angle; and transmitting the output vibration to the camera body through the vibration generating device so as to construct the vibration environment in the vehicle.
In one embodiment, the method further comprises: obtaining a simulation model which is suitable for the real environment of the road through a controller, and calling the simulation model to simulate the scene around the vehicle; wherein the photographed object simulated via the camera simulator includes at least one of other vehicles, pedestrians, animals, road signs, moving obstacles, and fixed obstacles located around the target vehicle.
In one embodiment, the detection method includes an environmental adaptability evaluation method, and the controller detects the operation reliability of the test camera according to the simulated extracted image by using a corresponding detection method, including: when the operation reliability of the test camera is judged based on the environment adaptability evaluation mode through the controller, an actual extraction image of a shooting object in a scene around the vehicle is obtained, the actual extraction image is matched with the simulation extraction image, a corresponding environment adaptability matching result is obtained, and the operation reliability of the test camera is verified through the environment adaptability matching result.
According to the vehicle-mounted camera operation reliability detection method, before the test camera is put into use, the states of the camera in different use environments, such as high temperature, high humidity, high temperature, normal temperature, low temperature and the like, are simulated through the environment simulation device according to the setting positions of the test camera in the target vehicle, the vehicle-mounted camera operation reliability detection method is not limited to verifying the camera operation reliability in the normal temperature environment, and the comprehensiveness of detection results is guaranteed under the condition that the simulation environment is more matched with the working environment of the real camera, so that the detection effect is better. In addition, based on the fact that the test camera is in the simulated vehicle environment, the controller extracts the simulated extraction image comprising the shooting object, the operation reliability of the test camera is detected, the environment reliability test verification of the camera in the working state is achieved, and the reliability of detection data is guaranteed.
It should be understood that, although the steps in the flowchart of fig. 3 are shown in sequence as indicated by the arrows, the steps are not necessarily performed in sequence as indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least a portion of the steps in fig. 3 may include a plurality of steps or stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of the steps or stages is not necessarily sequential, but may be performed in rotation or alternatively with at least a portion of the steps or stages in other steps or other steps.
For specific limitation of the vehicle-mounted camera operation reliability detection method, reference may be made to the limitation of the vehicle-mounted camera operation reliability detection system hereinabove, and no further description is given here. All or part of each module in the vehicle-mounted camera operation reliability detection system can be realized by software, hardware and a combination thereof. The above modules may be embedded in hardware or may be independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above modules.
In one embodiment, a computer device is provided, which may be a terminal or a server, and the internal structure of which may be as shown in fig. 4. The computer device includes a processor, a memory, and a communication interface connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The communication interface of the computer device is used for carrying out wired or wireless communication with an external terminal, and the wireless mode can be realized through WIFI, an operator network, NFC (near field communication) or other technologies. The computer program, when executed by the processor, implements a method for detecting operational reliability of the vehicle-mounted camera.
Those skilled in the art will appreciate that the structures shown in FIG. 4 are block diagrams only and do not constitute a limitation of the computer device on which the present aspects apply, and that a particular computer device may include more or less components than those shown, or may combine some of the components, or have a different arrangement of components.
In one embodiment, a computer device is provided comprising a memory and a processor, the memory having stored therein a computer program, the processor when executing the computer program performing the steps of: simulating the vehicle environment in which the test camera is positioned through an environment simulation device; simulating a vehicle surrounding scene based on the real road environment of the target vehicle by the controller, and transmitting environment information corresponding to the simulated vehicle surrounding scene to the camera simulator; generating a video stream reflecting the surrounding scene of the vehicle according to the received environmental information through a camera simulator, and transmitting the video stream to a display screen to trigger the display screen to play the video stream; shooting the played video stream in the simulated in-vehicle environment through the test camera to obtain a corresponding scene image; and extracting a simulated extraction image comprising the shooting object from the scene image by the test camera based on a preset extraction rule, and transmitting the simulated extraction image to the controller so as to trigger the controller to detect the operation reliability of the test camera according to the simulated extraction image by a corresponding detection mode.
In one embodiment, the processor when executing the computer program further performs the steps of: and isolating the display screen from the current simulated temperature and humidity environment in the vehicle through the normal temperature box, so that the running temperature and humidity of the display screen are kept at a preset temperature and humidity level.
In one embodiment, the processor when executing the computer program further performs the steps of: through the blowing device body, the first blowing pipeline that corresponds to be connected based on the hose blows quantitative dry gas to corresponding normal atmospheric temperature region to and the second blowing pipeline that corresponds to be connected based on the hose blows quantitative dry gas to corresponding alternating temperature region to prevent normal atmospheric temperature region and the inside water smoke that produces of alternating temperature region.
In one embodiment, when it is determined that the blower body is disposed outside the temperature and humidity environment box and the first and second blowing pipes are disposed at both sides of the glass cover, the processor further performs the following steps when executing the computer program: the first blowing pipeline and the second blowing pipeline which are correspondingly connected with the air blowing device body based on the hose are used for blowing quantitative dry gas into two sides of the glass cover, and preventing condensed water drops on the surface of the cover body of the glass cover.
In one embodiment, the processor when executing the computer program further performs the steps of: through the blowing device body, based on the first exhaust duct and the second exhaust duct to which the hose is correspondingly connected, a fixed amount of pressurized gas is discharged so that the air pressures inside the normal temperature region and the temperature change region are maintained at a preset air pressure level.
In one embodiment, when it is determined that the camera body is mounted on the camera turret and that the vibration table comprises the vibration generating means and the vibration table top, the processor when executing the computer program further performs the steps of: the rotation angle of the camera body is adjusted through the camera turntable, so that the camera body shoots pictures displayed on the display screen according to the adjusted corresponding shooting angle; and transmitting the output vibration to the camera body through the vibration generating device so as to construct the vibration environment in the vehicle.
In one embodiment, the processor when executing the computer program further performs the steps of: obtaining a simulation model which is suitable for the real environment of the road through a controller, and calling the simulation model to simulate the scene around the vehicle; wherein the photographed object simulated via the camera simulator includes at least one of other vehicles, pedestrians, animals, road signs, moving obstacles, and fixed obstacles located around the target vehicle.
In one embodiment, the detection means includes environmental suitability evaluation means, and the processor when executing the computer program further implements the steps of: when the operation reliability of the test camera is judged based on the environment adaptability evaluation mode through the controller, an actual extraction image of a shooting object in a scene around the vehicle is obtained, the actual extraction image is matched with the simulation extraction image, a corresponding environment adaptability matching result is obtained, and the operation reliability of the test camera is verified through the environment adaptability matching result.
According to the computer equipment, before the test camera is put into use, the state of the camera in different use environments, such as high temperature, high humidity, high temperature, normal temperature, low temperature and the like, is simulated through the environment simulation device according to the setting position of the test camera in the target vehicle, the computer equipment is not only limited to verifying the operation reliability of the camera in the normal temperature environment, but also ensures the comprehensiveness of the detection result under the condition that the simulation environment is more matched with the working environment of the real camera, and the detection effect is better. In addition, based on the fact that the test camera is in the simulated vehicle environment, the controller extracts the simulated extraction image comprising the shooting object, the operation reliability of the test camera is detected, the environment reliability test verification of the camera in the working state is achieved, and the reliability of detection data is guaranteed.
In one embodiment, a computer readable storage medium is provided having a computer program stored thereon, which when executed by a processor, performs the steps of: simulating the vehicle environment in which the test camera is positioned through an environment simulation device; simulating a vehicle surrounding scene based on the real road environment of the target vehicle by the controller, and transmitting environment information corresponding to the simulated vehicle surrounding scene to the camera simulator; generating a video stream reflecting the surrounding scene of the vehicle according to the received environmental information through a camera simulator, and transmitting the video stream to a display screen to trigger the display screen to play the video stream; shooting the played video stream in the simulated in-vehicle environment through the test camera to obtain a corresponding scene image; and extracting a simulated extraction image comprising the shooting object from the scene image by the test camera based on a preset extraction rule, and transmitting the simulated extraction image to the controller so as to trigger the controller to detect the operation reliability of the test camera according to the simulated extraction image by a corresponding detection mode.
In one embodiment, the computer program when executed by the processor further performs the steps of: and isolating the display screen from the current simulated temperature and humidity environment in the vehicle through the normal temperature box, so that the running temperature and humidity of the display screen are kept at a preset temperature and humidity level.
In one embodiment, the computer program when executed by the processor further performs the steps of: through the blowing device body, the first blowing pipeline that corresponds to be connected based on the hose blows quantitative dry gas to corresponding normal atmospheric temperature region to and the second blowing pipeline that corresponds to be connected based on the hose blows quantitative dry gas to corresponding alternating temperature region to prevent normal atmospheric temperature region and the inside water smoke that produces of alternating temperature region.
In one embodiment, when it is determined that the blower body is provided outside the temperature and humidity environment box and the first and second blower pipes are provided at both sides of the glass cover, the computer program when executed by the processor further implements the steps of: the first blowing pipeline and the second blowing pipeline which are correspondingly connected with the air blowing device body based on the hose are used for blowing quantitative dry gas into two sides of the glass cover, and preventing condensed water drops on the surface of the cover body of the glass cover.
In one embodiment, the computer program when executed by the processor further performs the steps of: through the blowing device body, based on the first exhaust duct and the second exhaust duct to which the hose is correspondingly connected, a fixed amount of pressurized gas is discharged so that the air pressures inside the normal temperature region and the temperature change region are maintained at a preset air pressure level.
In one embodiment, when it is determined that the camera body is mounted on the camera turret and that the vibration table comprises the vibration generating means and the vibration table top, the computer program when executed by the processor further performs the steps of: the rotation angle of the camera body is adjusted through the camera turntable, so that the camera body shoots pictures displayed on the display screen according to the adjusted corresponding shooting angle; and transmitting the output vibration to the camera body through the vibration generating device so as to construct the vibration environment in the vehicle.
In one embodiment, the computer program when executed by the processor further performs the steps of: obtaining a simulation model which is suitable for the real environment of the road through a controller, and calling the simulation model to simulate the scene around the vehicle; wherein the photographed object simulated via the camera simulator includes at least one of other vehicles, pedestrians, animals, road signs, moving obstacles, and fixed obstacles located around the target vehicle.
In one embodiment, the detection means comprises an environmental suitability evaluation means, and the computer program when executed by the processor further implements the steps of: when the operation reliability of the test camera is judged based on the environment adaptability evaluation mode through the controller, an actual extraction image of a shooting object in a scene around the vehicle is obtained, the actual extraction image is matched with the simulation extraction image, a corresponding environment adaptability matching result is obtained, and the operation reliability of the test camera is verified through the environment adaptability matching result.
According to the storage medium, before the test camera is put into use, the state of the camera in different use environments, such as high temperature, high humidity, high temperature, normal temperature, low temperature and the like, is simulated through the environment simulation device according to the setting position of the test camera in the target vehicle, the storage medium is not limited to verifying the operation reliability of the camera in the normal temperature environment, and the comprehensiveness of the detection result is ensured under the condition that the simulation environment is more matched with the working environment of the real camera, so that the detection effect is better. In addition, based on the fact that the test camera is in the simulated vehicle environment, the controller extracts the simulated extraction image comprising the shooting object, the operation reliability of the test camera is detected, the environment reliability test verification of the camera in the working state is achieved, and the reliability of detection data is guaranteed.
Those skilled in the art will appreciate that implementing all or part of the above-described methods in accordance with the embodiments may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, or the like. Volatile memory can include random access memory (Random Access Memory, RAM) or external cache memory. By way of illustration, and not limitation, RAM can be in the form of a variety of forms, such as static random access memory (Static Random Access Memory, SRAM) or dynamic random access memory (Dynamic Random Access Memory, DRAM), and the like.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples represent only a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (10)
1. The utility model provides a on-vehicle camera operational reliability detecting system which characterized in that, the system includes environment simulation device, camera simulator, display screen, controller and actually locates the test camera in the target vehicle, wherein:
the environment simulation device is used for simulating the environment in the vehicle where the test camera is located;
the controller is used for simulating a vehicle surrounding scene based on the real road environment where the target vehicle is located, and transmitting environment information corresponding to the simulated vehicle surrounding scene to the camera simulator;
The camera simulator is used for generating a video stream reflecting the surrounding scene of the vehicle according to the received environmental information, and transmitting the video stream to a display screen so as to trigger the display screen to play the video stream;
the test camera is used for shooting the played video stream in the simulated in-vehicle environment to obtain a corresponding scene image; the test camera is further used for extracting a simulation extraction image comprising a shooting object from the scene image based on a preset extraction rule, and transmitting the simulation extraction image to the controller so as to trigger the controller to detect the operation reliability of the test camera in a corresponding detection mode according to the simulation extraction image;
the detection mode comprises an environment adaptability evaluation mode, the controller is further used for acquiring an actual extracted image of the shooting object in the surrounding scene of the vehicle when judging the operation reliability of the test camera based on the environment adaptability evaluation mode, matching the actual extracted image with the simulated extracted image to obtain a corresponding environment adaptability matching result, and verifying the operation reliability of the test camera through the environment adaptability matching result;
The environment simulation device comprises a temperature and humidity environment box for simulating the temperature and humidity environment in the vehicle and a vibration table for simulating the vibration environment in the vehicle; wherein:
the temperature and humidity environment comprises at least one of high temperature and humidity, high temperature, normal temperature and low temperature and high humidity, and the vibration environment comprises at least one of vibration and impact;
the testing camera is arranged at the bottom of the box body of the temperature and humidity environment box, and the display screen is arranged at one side opposite to the front surface of the testing camera and is close to the top of the box body of the temperature and humidity environment box;
the display screen is arranged in the box body of the normal temperature box, and the normal temperature box divides the box body inner area of the temperature and humidity environment box into a normal temperature area corresponding to a preset temperature and humidity level and a temperature changing area corresponding to a simulated temperature and humidity environment in the vehicle;
the system also comprises a drying blowing device, wherein the drying blowing device comprises a blowing device body, a hose, a first blowing pipeline communicated with the normal temperature area and a second blowing pipeline communicated with the temperature changing area, and the drying blowing device comprises a blowing device body, a hose, a first blowing pipeline and a second blowing pipeline, wherein:
The blowing device body is respectively connected to the first blowing pipeline and the second blowing pipeline through the hose;
the blowing device body is used for blowing quantitative dry gas into the normal temperature area through a first blowing pipeline and blowing quantitative dry gas into the temperature changing area through a second blowing pipeline so as to prevent water mist from being generated in the normal temperature area and the temperature changing area.
2. The system of claim 1, wherein:
the width of the normal temperature box is adapted to the width of the temperature and humidity environment box, and the height of the normal temperature box is larger than the height of the display screen;
a double-sided transparent glass cover is arranged on one side of the normal temperature box facing the test camera, and an anti-frosting coating is arranged on the surface of the cover body of the glass cover;
the normal temperature box is used for isolating the display screen from the current simulated temperature and humidity environment in the vehicle so that the running temperature and humidity of the display screen can be kept at a preset temperature and humidity level.
3. The system of claim 2, wherein the dry blowing device further comprises a first exhaust duct in communication with the ambient temperature zone, and a second exhaust duct in communication with the temperature change zone, wherein:
The air blowing device body is arranged outside the temperature and humidity environment box, the first air blowing pipeline and the second air blowing pipeline are arranged on two sides of the glass cover, and the air blowing device body is also used for blowing quantitative dry gas into two sides of the glass cover through the first air blowing pipeline and the second air blowing pipeline and preventing condensed water drops on the surface of the cover body of the glass cover;
the blowing device body is respectively connected to the first exhaust pipeline and the second exhaust pipeline through the hose, and is further used for discharging quantitative pressurized gas through the first exhaust pipeline and the second exhaust pipeline so that the air pressure in the normal temperature area and the temperature changing area is kept at a preset air pressure level.
4. The system of claim 1, wherein the test camera comprises a camera body and a camera turret, the vibration table comprising a vibration generating device and a vibration table, wherein:
the camera body is arranged on the camera turntable, the camera turntable is arranged at the bottom of the box body of the temperature and humidity environment box and is fixed on the vibration table top, and the camera turntable is used for adjusting the rotation angle of the camera body so that the camera body shoots pictures displayed on the display screen according to the adjusted corresponding shooting angles;
The vibration generating device is used for transmitting the output vibration to the camera body so as to construct a vibration environment in the vehicle.
5. The system of claim 1, wherein the controller is further configured to obtain a simulation model adapted to the real road environment, and invoke the simulation model to simulate a scene around the vehicle; wherein the photographic subject simulated via the camera simulator includes at least one of other vehicles, pedestrians, animals, road signs, moving obstacles, and fixed obstacles located around the target vehicle.
6. A method for detecting operational reliability of an in-vehicle camera suitable for use in the system of any one of claims 1-5, the method comprising:
simulating the in-vehicle environment in which the test camera is positioned through the environment simulation device;
simulating a vehicle surrounding scene based on the real road environment of the target vehicle by the controller, and transmitting environment information corresponding to the simulated vehicle surrounding scene to the camera simulator;
generating a video stream reflecting the scene around the vehicle according to the received environmental information through the camera simulator, and transmitting the video stream to a display screen to trigger the display screen to play the video stream;
Shooting the played video stream in the simulated in-vehicle environment through the test camera to obtain a corresponding scene image; extracting a simulation extraction image comprising a shooting object from the scene image by the test camera based on a preset extraction rule, and transmitting the simulation extraction image to a controller so as to trigger the controller to detect the operation reliability of the test camera in a corresponding detection mode according to the simulation extraction image;
the detection mode comprises an environmental adaptability evaluation mode, and the controller detects the operation reliability of the test camera through the corresponding detection mode according to the simulated extracted image, and comprises the following steps: when judging the operation reliability of the test camera based on the environment adaptability evaluation mode, the controller acquires an actual extracted image of a shooting object in a scene around the vehicle, matches the actual extracted image with the simulated extracted image to obtain a corresponding environment adaptability matching result, and verifies the operation reliability of the test camera through the environment adaptability matching result;
wherein the method further comprises: isolating the display screen from the current simulated temperature and humidity environment in the vehicle through a normal temperature box so as to keep the running temperature and humidity of the display screen at a preset temperature and humidity level;
The method further comprises the steps of: through the blowing device body, the first blowing pipeline that corresponds to be connected based on the hose blows quantitative dry gas to corresponding normal atmospheric temperature region to and the second blowing pipeline that corresponds to be connected based on the hose blows quantitative dry gas to corresponding alternating temperature region to prevent normal atmospheric temperature region and the inside water smoke that produces of alternating temperature region.
7. The method of claim 6, wherein when it is determined that the blowing device body is provided outside the temperature and humidity environment tank and the first blowing duct and the second blowing duct are provided at both sides of the glass cover, the method further comprises:
the first blowing pipeline and the second blowing pipeline which are correspondingly connected with the air blowing device body based on the hose are used for blowing quantitative dry gas into two sides of the glass cover, and preventing condensed water drops on the surface of the cover body of the glass cover.
8. The method of claim 6, wherein the method further comprises:
through the blowing device body, based on the first exhaust duct and the second exhaust duct to which the hose is correspondingly connected, a fixed amount of pressurized gas is discharged so that the air pressures inside the normal temperature region and the temperature change region are maintained at a preset air pressure level.
9. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any of claims 6-8 when the computer program is executed.
10. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method according to any of claims 6-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913233.0A CN113691798B (en) | 2021-08-10 | 2021-08-10 | Vehicle-mounted camera operation reliability detection system, method and computer equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913233.0A CN113691798B (en) | 2021-08-10 | 2021-08-10 | Vehicle-mounted camera operation reliability detection system, method and computer equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113691798A CN113691798A (en) | 2021-11-23 |
| CN113691798B true CN113691798B (en) | 2024-04-09 |
Family
ID=78579292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110913233.0A Active CN113691798B (en) | 2021-08-10 | 2021-08-10 | Vehicle-mounted camera operation reliability detection system, method and computer equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113691798B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115174894A (en) * | 2022-07-07 | 2022-10-11 | 上海研鼎信息技术有限公司 | High low temperature environment camera testing arrangement and system |
| CN115219151B (en) * | 2022-07-13 | 2024-01-23 | 小米汽车科技有限公司 | Vehicle testing method, system, electronic equipment and medium |
| CN116958246B (en) * | 2022-10-27 | 2024-04-26 | 威凯检测技术有限公司 | Camera-based automobile auxiliary function detection method |
| CN117061732B (en) * | 2023-10-13 | 2024-02-02 | 深圳市联合光学技术有限公司 | Camera module extreme environment simulation detection device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007261463A (en) * | 2006-03-29 | 2007-10-11 | Clarion Co Ltd | Calibration system of vehicle-mounted camera |
| KR101082402B1 (en) * | 2010-09-14 | 2011-11-10 | 씨디에스(주) | Camera module test chamber |
| KR101832918B1 (en) * | 2017-05-16 | 2018-02-28 | (주)텔미전자 | Simulation system for autonomous driving |
| CN109413415A (en) * | 2018-12-12 | 2019-03-01 | 清华大学苏州汽车研究院（吴江） | A kind of camera controller test macro and test method |
| CN109446371A (en) * | 2018-11-09 | 2019-03-08 | 苏州清研精准汽车科技有限公司 | A kind of intelligent automobile emulation testing scene library generating method and test macro and method |
| CN109683491A (en) * | 2019-01-02 | 2019-04-26 | 重庆西部汽车试验场管理有限公司 | Vehicle-mounted camera analogue system |
| CN109889822A (en) * | 2019-03-27 | 2019-06-14 | 广东弘景光电科技股份有限公司 | Camera high/low temperature real-time testing system and camera high/low temperature method for real-timely testing |
| CN110234005A (en) * | 2019-06-24 | 2019-09-13 | 北京字节跳动网络技术有限公司 | A kind of method, apparatus, medium and the electronic equipment of video quality evaluation and test |
| CN110677640A (en) * | 2019-10-08 | 2020-01-10 | 吉林大学 | In-loop testing method and device for unmanned vehicle-mounted intelligent camera |
| CN112284691A (en) * | 2020-10-29 | 2021-01-29 | 中国航空工业集团公司洛阳电光设备研究所 | Device and method for measuring display precision of head-up display in high and low temperature environment |
| CN112665811A (en) * | 2020-12-18 | 2021-04-16 | 泉州装备制造研究所 | Comprehensive environment simulation test machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11669653B2 (en) * | 2017-05-02 | 2023-06-06 | The Regents Of The University Of Michigan | Simulated vehicle traffic for autonomous vehicles |
| CN107153363B (en) * | 2017-05-08 | 2020-11-03 | 百度在线网络技术（北京）有限公司 | Simulation test method, device, equipment and readable medium for unmanned vehicle |
| US20200209874A1 (en) * | 2018-12-31 | 2020-07-02 | Chongqing Jinkang New Energy Vehicle, Ltd. | Combined virtual and real environment for autonomous vehicle planning and control testing |
-
2021
- 2021-08-10 CN CN202110913233.0A patent/CN113691798B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007261463A (en) * | 2006-03-29 | 2007-10-11 | Clarion Co Ltd | Calibration system of vehicle-mounted camera |
| KR101082402B1 (en) * | 2010-09-14 | 2011-11-10 | 씨디에스(주) | Camera module test chamber |
| KR101832918B1 (en) * | 2017-05-16 | 2018-02-28 | (주)텔미전자 | Simulation system for autonomous driving |
| CN109446371A (en) * | 2018-11-09 | 2019-03-08 | 苏州清研精准汽车科技有限公司 | A kind of intelligent automobile emulation testing scene library generating method and test macro and method |
| CN109413415A (en) * | 2018-12-12 | 2019-03-01 | 清华大学苏州汽车研究院（吴江） | A kind of camera controller test macro and test method |
| CN109683491A (en) * | 2019-01-02 | 2019-04-26 | 重庆西部汽车试验场管理有限公司 | Vehicle-mounted camera analogue system |
| CN109889822A (en) * | 2019-03-27 | 2019-06-14 | 广东弘景光电科技股份有限公司 | Camera high/low temperature real-time testing system and camera high/low temperature method for real-timely testing |
| CN110234005A (en) * | 2019-06-24 | 2019-09-13 | 北京字节跳动网络技术有限公司 | A kind of method, apparatus, medium and the electronic equipment of video quality evaluation and test |
| CN110677640A (en) * | 2019-10-08 | 2020-01-10 | 吉林大学 | In-loop testing method and device for unmanned vehicle-mounted intelligent camera |
| CN112284691A (en) * | 2020-10-29 | 2021-01-29 | 中国航空工业集团公司洛阳电光设备研究所 | Device and method for measuring display precision of head-up display in high and low temperature environment |
| CN112665811A (en) * | 2020-12-18 | 2021-04-16 | 泉州装备制造研究所 | Comprehensive environment simulation test machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113691798A (en) | 2021-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113691798B (en) | Vehicle-mounted camera operation reliability detection system, method and computer equipment | |
| CN109213126B (en) | Automatic driving automobile test system and method | |
| CN108645628B (en) | Automatic driving automobile test system based on road driving skills | |
| US11487988B2 (en) | Augmenting real sensor recordings with simulated sensor data | |
| CN109598066B (en) | Effect evaluation method, apparatus, device and storage medium for prediction module | |
| US20190278698A1 (en) | Autonomous Vehicle Simulation And Testing | |
| KR100904767B1 (en) | Test evaluation apparatus of collision avoidance system | |
| RU2017120682A (en) | METHOD AND TRAINING SYSTEM FOR PREVENTING COLLISIONS USING AUDIO DATA | |
| KR102068473B1 (en) | Simulation method and apparatus vehicle | |
| CN104627094A (en) | Vehicle recognizing user gesture and method for controlling the same | |
| CN106297338A (en) | A kind of traffic robot's control system and method | |
| JP2019012237A5 (en) | ||
| CN107766872A (en) | A kind of method and apparatus for identifying illumination Driving Scene | |
| CN102734193A (en) | Fan control system, method and fan with system | |
| CN109703465B (en) | Control method and device for vehicle-mounted image sensor | |
| US11636684B2 (en) | Behavior model of an environment sensor | |
| US8634961B2 (en) | System and method for controlling fans and fan having the system | |
| CN112613469B (en) | Target object motion control method and related equipment | |
| KR20240006475A (en) | Method and system for structure management using a plurality of unmanned aerial vehicles | |
| CN109478233A (en) | The computer program for identifying method the reason of blocking in image sequence, executing the method, the computer readable recording medium comprising this computer program, the driving assistance system for being able to carry out the method | |
| CN110377982B (en) | Automatic driving performance testing method and system, electronic equipment and storage medium | |
| CN106994972A (en) | Humidity estimate | |
| KR102580532B1 (en) | Indoor test system for evaluating performance of autonomous vehicles | |
| CN109196307B (en) | Method and apparatus for locating a vehicle | |
| CN116225921A (en) | Visual debugging method and device for detection algorithm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |