CN116567402A - Light source controller trigger delay control method and system - Google Patents
Light source controller trigger delay control method and system Download PDFInfo
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- CN116567402A CN116567402A CN202310769427.7A CN202310769427A CN116567402A CN 116567402 A CN116567402 A CN 116567402A CN 202310769427 A CN202310769427 A CN 202310769427A CN 116567402 A CN116567402 A CN 116567402A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The invention belongs to the field of machine vision, relates to a data analysis technology, and aims to solve the problem that an existing light source controller triggering delay control method cannot adaptively adjust a delay control mode according to delay characteristic analysis results of a light source controller and a camera, and particularly relates to a light source controller triggering delay control method and a system, wherein the light source controller triggering delay control method comprises a delay analysis module, a delay control module and an image monitoring module, and the delay analysis module, the delay control module and the image monitoring module are sequentially in communication connection; the delay analysis module is used for monitoring and analyzing the delay state of the light source controller: performing delay experiment measurement on the light source controller to obtain a control delay value; the invention can monitor and analyze the delay state of the light source controller, and the control delay value and the shooting delay value are obtained by carrying out delay experiment measurement on the light source controller and the camera, so that corresponding delay control signals are generated according to the control delay value and the numerical value of the shooting delay value.
Description
Technical Field
The invention belongs to the field of machine vision, relates to a data analysis technology, and in particular relates to a method and a system for controlling trigger delay of a light source controller.
Background
The machine vision is to replace human eyes by a machine to measure and judge, and the machine vision system converts a shot target into an image signal through a machine vision product (namely an image shooting device, a CMOS and a CCD, respectively) and transmits the image signal to a special image processing system to obtain the form information of the shot target, and converts the form information into a digital signal according to the pixel distribution, the brightness, the color and other information; the image system performs various operations on these signals to extract characteristics of the object, and further controls the operation of the on-site device according to the result of the discrimination.
In the image capturing process of the machine vision system, auxiliary illumination is required to be provided by a light source to improve the definition and contrast of an image, but a certain delay exists in signal receiving of the light source controller and the camera, the signal receiving delay characteristics of the light source controller and the camera are different, the existing light source controller triggering delay control method cannot adaptively adjust a delay control mode according to the delay characteristic analysis results of the light source controller and the camera, and therefore vision detection accuracy and efficiency are low.
Aiming at the technical problems, the application provides a solution.
Disclosure of Invention
The invention aims to provide a light source controller trigger delay control method and a system, which are used for solving the problem that the existing light source controller trigger delay control method cannot adaptively adjust a delay control mode according to delay characteristic analysis results of a light source controller and a camera;
the technical problems to be solved by the invention are as follows: how to provide a method and a system for controlling the triggering delay of a light source controller, which can adaptively adjust the delay control mode according to the delay characteristic analysis results of the light source controller and a camera.
The aim of the invention can be achieved by the following technical scheme:
the light source controller triggers the delay control system, which comprises a delay analysis module, a delay control module and an image monitoring module, wherein the delay analysis module, the delay control module and the image monitoring module are sequentially in communication connection;
the delay analysis module is used for monitoring and analyzing the delay state of the light source controller: performing delay experiment measurement on the light source controller to obtain a control delay value; performing delay experiment measurement on the camera to obtain a photographing delay value; generating a weight asynchronous control signal, a synchronous control signal or a gradient asynchronous control signal through a comparison result of the control delay value and the photographing delay value and sending the weight asynchronous control signal, the synchronous control signal or the gradient asynchronous control signal to the delay control module;
the delay control module is used for triggering delay control on the light source controller;
the image monitoring module is used for monitoring and analyzing the image shooting effect of the camera: generating a monitoring period, marking the image shot by the camera in the monitoring period as a monitoring object, obtaining the contrast value of the monitoring object and marking the contrast value as contrast data, summing the contrast data of all the monitoring objects in the monitoring period and taking an average value to obtain a contrast coefficient of the monitoring period, forming a contrast set by the contrast data of all the monitoring objects in the monitoring period, performing variance calculation on the contrast set to obtain a stability coefficient of the monitoring period, comparing the contrast coefficient and the stability coefficient of the monitoring period with a preset contrast threshold and a preset stability threshold respectively, and judging whether the shooting effect of the camera in the monitoring period meets the requirement or not according to a comparison result; and resetting the value of the switching value at the beginning time of the next monitoring period.
As a preferred embodiment of the present invention, the process of acquiring the control delay value includes: the time when the light source controller receives the trigger signal is marked as the receiving time, the time when the light source is lightened is marked as the response time, and the difference value between the response time and the receiving time is marked as the control delay value.
As a preferred embodiment of the present invention, the specific process of comparing the control delay value with the photographing delay value includes: if the control delay value is larger than the photographing delay value, generating a weight asynchronous control signal and sending the weight asynchronous control signal to the delay control module; if the control delay value is smaller than or equal to the photographing delay value, marking the difference value between the photographing delay value and the control delay value as an analysis difference value, and comparing the analysis difference value with a preset analysis threshold value: if the analysis difference value is smaller than the analysis threshold value, generating a synchronous control signal and sending the synchronous control signal to the delay control module; and if the analysis difference value is greater than or equal to the analysis threshold value, generating a gradient asynchronous control signal and sending the gradient asynchronous control signal to the delay control module.
As a preferred embodiment of the present invention, the delay control module uses a weight control mode to trigger delay control when receiving a weight asynchronous control signal: the difference between the control delay value and the photographing delay value is marked as a control photographing difference KS, and a weight delay value QY is obtained through QY=t1×KS, wherein t1 is a proportionality coefficient, t1 is more than or equal to 1.05 and less than or equal to 1.15, and after a trigger signal is sent to a light source controller, the trigger signal is sent to a camera at intervals of QYu seconds.
As a preferred embodiment of the present invention, the delay control module performs trigger delay control in a synchronous control mode after receiving the synchronous control signal: and simultaneously, sending a synchronous trigger signal to the light source controller and the camera.
As a preferred embodiment of the invention, the delay control module adopts a gradient control mode to trigger delay control after receiving the gradient asynchronous control signal: generating an analysis gradient, wherein the difference value between the maximum boundary value and the minimum boundary value of the analysis gradient is L1u seconds, the minimum value of the minimum boundary value of the analysis gradient is an analysis threshold value, the minimum boundary value of the analysis gradient matched with the analysis difference value is marked as a gradient delay value TD, and after a trigger signal is sent to a camera, the trigger signal is sent to a light source controller at intervals of TDu seconds.
As a preferred embodiment of the present invention, the specific process of comparing the contrast coefficient and the stability coefficient of the monitoring period with the preset contrast threshold and the preset stability threshold respectively includes: if the contrast coefficient is larger than or equal to the contrast threshold value and the stability coefficient is smaller than the stability threshold value, judging that the image shooting effect of the camera in the monitoring period meets the requirement, generating an effect qualified signal and sending the effect qualified signal to a mobile phone terminal of a manager; if the stability coefficient is greater than or equal to the stability threshold, judging that the image shooting effect of the camera in the monitoring period does not meet the requirement and the abnormal reason is environmental fluctuation, generating an environmental control signal and sending the environmental control signal to a mobile phone terminal of a manager; if the contrast coefficient is smaller than the contrast threshold and the stability coefficient is smaller than the stability threshold, judging that the image shooting effect of the camera in the monitoring period does not meet the requirement and analyzing the abnormal reason: monitoring a delay control mode in a monitoring period, adding one to the value of a switching value of the monitoring period when the delay control mode is switched, and comparing the switching value with a preset switching threshold value at the ending time of the monitoring period: if the switching value is smaller than the switching threshold value, marking the abnormality reason as software abnormality, generating a software optimization signal and sending the software optimization signal to a mobile phone terminal of a manager; if the switching value is greater than or equal to the switching threshold value, marking the abnormality reason as hardware abnormality, generating a hardware optimization signal and sending the hardware optimization signal to a mobile phone terminal of a manager.
The light source controller triggering delay control method comprises the following steps:
step one: monitoring and analyzing the delay state of the light source controller: performing delay experiment measurement on the light source controller to obtain a control delay value, and performing delay experiment measurement on the camera to obtain a photographing delay value; comparing the control delay value with the photographing delay value, generating a weight asynchronous control signal, a synchronous control signal or a gradient asynchronous control signal according to the comparison result, and transmitting the weight asynchronous control signal, the synchronous control signal or the gradient asynchronous control signal to the delay control module;
step two: the delay control module adopts a weight control mode to trigger delay control when receiving the weight asynchronous control signal, adopts a synchronous control mode to trigger delay control after receiving the synchronous control signal, and adopts a gradient control mode to trigger delay control after receiving the gradient asynchronous control signal;
step three: monitoring and analyzing the image shooting effect of the camera: and generating a monitoring period, marking the image shot by the camera in the monitoring period as a monitoring object, acquiring a comparison coefficient and a stability coefficient of the monitoring period, and judging whether the image shooting effect of the camera in the monitoring period meets the requirement or not through the comparison coefficient and the stability coefficient.
The invention has the following beneficial effects:
1. the delay analysis module can monitor and analyze the delay state of the light source controller, and the delay experiment is carried out on the light source controller and the camera to obtain a control delay value and a shooting delay value, so that corresponding delay control signals are generated according to the values of the control delay value and the shooting delay value, and delay control of different modes is carried out on trigger delays of different characteristics;
2. the delay control module can trigger the delay control of the light source controller, the weight control mode, the synchronous control mode and the gradient control mode are adopted to cooperate to carry out the delay control of the light source controller, the light source controller and the camera according to different delay characteristics are controlled in different demonstration modes, and the detection efficiency is improved while the visual detection effect of the machine is ensured;
3. the image shooting effect of the camera can be monitored and analyzed through the image monitoring module, the contrast coefficient and the stability coefficient are obtained through carrying out parameter analysis on the image shot by the camera in the monitoring period, so that the image shooting effect of the camera in the monitoring period is judged through the numerical value of the contrast coefficient and the stability coefficient, and the abnormal reason is analyzed when the image shooting effect is unqualified, and the abnormal processing efficiency is improved.
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In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a system block diagram of a first embodiment of the present invention;
fig. 2 is a flowchart of a method according to a second embodiment of the invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1, the light source controller triggers a delay control system, which comprises a delay analysis module, a delay control module and an image monitoring module, wherein the delay analysis module, the delay control module and the image monitoring module are in communication connection in sequence.
The delay analysis module is used for monitoring and analyzing the delay state of the light source controller: the method comprises the steps of performing delay experiment measurement on a light source controller to obtain a control delay value, marking the moment when the light source controller receives a trigger signal as receiving moment, marking the moment when the light source is lightened as response moment, and marking the difference between the response moment and the receiving moment as the control delay value; performing delay experiment measurement on the camera to obtain a photographing delay value; comparing the control delay value with the photography delay value: if the control delay value is larger than the photographing delay value, generating a weight asynchronous control signal and sending the weight asynchronous control signal to the delay control module; if the control delay value is smaller than or equal to the photographing delay value, marking the difference value between the photographing delay value and the control delay value as an analysis difference value, and comparing the analysis difference value with a preset analysis threshold value: if the analysis difference value is smaller than the analysis threshold value, generating a synchronous control signal and sending the synchronous control signal to the delay control module; if the analysis difference value is greater than or equal to the analysis threshold value, generating a gradient asynchronous control signal and sending the gradient asynchronous control signal to the delay control module; the delay state of the light source controller is monitored and analyzed, and the control delay value and the shooting delay value are obtained through delay experiment measurement of the light source controller and the camera, so that corresponding delay control signals are generated according to the values of the control delay value and the shooting delay value, and delay control of different modes is carried out according to trigger delays of different features.
The delay control module is used for triggering delay control on the light source controller: when the delay control module receives the weight asynchronous control signal, a weight control mode is adopted to trigger delay control: marking the difference value between the control delay value and the photographing delay value as a control photographing difference value KS, and obtaining a weight delay value QY through QY=t1 xKS, wherein t1 is a proportionality coefficient, t1 is more than or equal to 1.05 and less than or equal to 1.15, and after sending a trigger signal to a light source controller, sending the trigger signal to a camera at intervals of QYu seconds; the delay control module adopts a synchronous control mode to trigger delay control after receiving the synchronous control signal: simultaneously sending a synchronous trigger signal to the light source controller and the camera; the delay control module adopts a gradient control mode to trigger delay control after receiving the gradient asynchronous control signal: generating an analysis gradient, wherein the difference value between the maximum boundary value and the minimum boundary value of the analysis gradient is L1u seconds, the minimum value of the minimum boundary value of the analysis gradient is an analysis threshold value, the minimum boundary value of the analysis gradient matched with the analysis difference value is marked as a gradient delay value TD, and after a trigger signal is sent to a camera, the trigger signal is sent to a light source controller at intervals of TDu seconds; the light source controller is triggered and controlled in a time delay mode, the weight control mode, the synchronous control mode and the gradient control mode are adopted to control the time delay of the light source controller in a matched mode, the light source controller and the camera according to different time delay characteristics are controlled in different demonstration modes, and the detection efficiency is improved while the visual detection effect of the machine is guaranteed.
The image monitoring module is used for monitoring and analyzing the image shooting effect of the camera: generating a monitoring period, marking the image shot by the camera in the monitoring period as a monitoring object, obtaining the contrast value of the monitoring object and marking the contrast value as contrast data, summing the contrast data of all the monitoring objects in the monitoring period and taking an average value to obtain a contrast coefficient of the monitoring period, forming a contrast set by the contrast data of all the monitoring objects in the monitoring period, performing variance calculation on the contrast set to obtain a stability coefficient of the monitoring period, and comparing the contrast coefficient and the stability coefficient of the monitoring period with preset contrast threshold and stability threshold respectively: if the contrast coefficient is larger than or equal to the contrast threshold value and the stability coefficient is smaller than the stability threshold value, judging that the image shooting effect of the camera in the monitoring period meets the requirement, generating an effect qualified signal and sending the effect qualified signal to a mobile phone terminal of a manager; if the stability coefficient is greater than or equal to the stability threshold, judging that the image shooting effect of the camera in the monitoring period does not meet the requirement and the abnormal reason is environmental fluctuation, generating an environmental control signal and sending the environmental control signal to a mobile phone terminal of a manager; if the contrast coefficient is smaller than the contrast threshold and the stability coefficient is smaller than the stability threshold, judging that the image shooting effect of the camera in the monitoring period does not meet the requirement and analyzing the abnormal reason: monitoring a delay control mode in a monitoring period, adding one to the value of a switching value of the monitoring period when the delay control mode is switched, and comparing the switching value with a preset switching threshold value at the ending time of the monitoring period: if the switching value is smaller than the switching threshold value, marking the abnormality reason as software abnormality, generating a software optimization signal and sending the software optimization signal to a mobile phone terminal of a manager; if the switching value is greater than or equal to the switching threshold value, marking the abnormality reason as hardware abnormality, generating a hardware optimization signal and sending the hardware optimization signal to a mobile phone terminal of a manager; resetting the value of the switching value at the beginning time of the next monitoring period; the method comprises the steps of monitoring and analyzing the image shooting effect of a camera, obtaining a contrast coefficient and a stability coefficient by carrying out parameter analysis on the image shot by the camera in a monitoring period, judging the image shooting effect of the camera in the monitoring period by the numerical value of the contrast coefficient and the stability coefficient, analyzing an abnormal reason when the image shooting effect is unqualified, and improving the abnormal processing efficiency.
Example two
As shown in fig. 2, the light source controller triggers a delay control method, which includes the following steps:
step one: monitoring and analyzing the delay state of the light source controller: performing delay experiment measurement on the light source controller to obtain a control delay value, and performing delay experiment measurement on the camera to obtain a photographing delay value; comparing the control delay value with the photographing delay value, generating a weight asynchronous control signal, a synchronous control signal or a gradient asynchronous control signal according to the comparison result, and transmitting the weight asynchronous control signal, the synchronous control signal or the gradient asynchronous control signal to the delay control module;
step two: the delay control module adopts a weight control mode to trigger delay control when receiving the weight asynchronous control signal, adopts a synchronous control mode to trigger delay control after receiving the synchronous control signal, and adopts a gradient control mode to trigger delay control after receiving the gradient asynchronous control signal;
step three: monitoring and analyzing the image shooting effect of the camera: and generating a monitoring period, marking the image shot by the camera in the monitoring period as a monitoring object, acquiring a comparison coefficient and a stability coefficient of the monitoring period, and judging whether the image shooting effect of the camera in the monitoring period meets the requirement or not through the comparison coefficient and the stability coefficient.
The method and the system for controlling the trigger delay of the light source controller are characterized in that when the system works, the light source controller is subjected to delay experiment measurement to obtain a control delay value, and the camera is subjected to delay experiment measurement to obtain a photographic delay value; comparing the control delay value with the photographing delay value, generating a weight asynchronous control signal, a synchronous control signal or a gradient asynchronous control signal according to the comparison result, and transmitting the weight asynchronous control signal, the synchronous control signal or the gradient asynchronous control signal to the delay control module; the delay control module adopts a weight control mode to trigger delay control when receiving the weight asynchronous control signal, adopts a synchronous control mode to trigger delay control after receiving the synchronous control signal, and adopts a gradient control mode to trigger delay control after receiving the gradient asynchronous control signal; and generating a monitoring period, marking the image shot by the camera in the monitoring period as a monitoring object, acquiring a comparison coefficient and a stability coefficient of the monitoring period, and judging whether the image shooting effect of the camera in the monitoring period meets the requirement or not through the comparison coefficient and the stability coefficient.
The foregoing is merely illustrative of the structures of this invention and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the invention or from the scope of the invention as defined in the accompanying claims.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean 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 invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (8)
1. The light source controller triggers the delay control system, which is characterized by comprising a delay analysis module, a delay control module and an image monitoring module, wherein the delay analysis module, the delay control module and the image monitoring module are sequentially in communication connection;
the delay analysis module is used for monitoring and analyzing the delay state of the light source controller: performing delay experiment measurement on the light source controller to obtain a control delay value; performing delay experiment measurement on the camera to obtain a photographing delay value; generating a weight asynchronous control signal, a synchronous control signal or a gradient asynchronous control signal through a comparison result of the control delay value and the photographing delay value and sending the weight asynchronous control signal, the synchronous control signal or the gradient asynchronous control signal to the delay control module;
the delay control module is used for triggering delay control on the light source controller;
the image monitoring module is used for monitoring and analyzing the image shooting effect of the camera: generating a monitoring period, marking the image shot by the camera in the monitoring period as a monitoring object, obtaining the contrast value of the monitoring object and marking the contrast value as contrast data, summing the contrast data of all the monitoring objects in the monitoring period and taking an average value to obtain a contrast coefficient of the monitoring period, forming a contrast set by the contrast data of all the monitoring objects in the monitoring period, performing variance calculation on the contrast set to obtain a stability coefficient of the monitoring period, comparing the contrast coefficient and the stability coefficient of the monitoring period with a preset contrast threshold and a preset stability threshold respectively, and judging whether the shooting effect of the camera in the monitoring period meets the requirement or not according to a comparison result; and resetting the value of the switching value at the beginning time of the next monitoring period.
2. The light source controller-triggered delay control system of claim 1, wherein the process of obtaining the control delay value comprises: the time when the light source controller receives the trigger signal is marked as the receiving time, the time when the light source is lightened is marked as the response time, and the difference value between the response time and the receiving time is marked as the control delay value.
3. The light source controller-triggered delay control system of claim 2, wherein the specific process of comparing the control delay value with the photo delay value comprises: if the control delay value is larger than the photographing delay value, generating a weight asynchronous control signal and sending the weight asynchronous control signal to the delay control module; if the control delay value is smaller than or equal to the photographing delay value, marking the difference value between the photographing delay value and the control delay value as an analysis difference value, and comparing the analysis difference value with a preset analysis threshold value: if the analysis difference value is smaller than the analysis threshold value, generating a synchronous control signal and sending the synchronous control signal to the delay control module; and if the analysis difference value is greater than or equal to the analysis threshold value, generating a gradient asynchronous control signal and sending the gradient asynchronous control signal to the delay control module.
4. A light source controller triggering delay control system as recited in claim 3, wherein the delay control module employs a weight control mode for triggering delay control upon receipt of the weight asynchronous control signal: the difference between the control delay value and the photographing delay value is marked as a control photographing difference KS, and a weight delay value QY is obtained through QY=t1×KS, wherein t1 is a proportionality coefficient, t1 is more than or equal to 1.05 and less than or equal to 1.15, and after a trigger signal is sent to a light source controller, the trigger signal is sent to a camera at intervals of QYu seconds.
5. A light source controller triggering delay control system as recited in claim 3, wherein the delay control module employs a synchronous control mode to trigger delay control after receiving the synchronous control signal: and simultaneously, sending a synchronous trigger signal to the light source controller and the camera.
6. A light source controller triggering delay control system as recited in claim 3, wherein the delay control module employs a gradient control mode to trigger delay control after receiving the gradient asynchronous control signal: generating an analysis gradient, wherein the difference value between the maximum boundary value and the minimum boundary value of the analysis gradient is L1u seconds, the minimum value of the minimum boundary value of the analysis gradient is an analysis threshold value, the minimum boundary value of the analysis gradient matched with the analysis difference value is marked as a gradient delay value TD, and after a trigger signal is sent to a camera, the trigger signal is sent to a light source controller at intervals of TDu seconds.
7. A light source controller triggering delay control system according to claim 3, wherein the specific process of comparing the contrast coefficient and stability coefficient of the monitoring period with preset contrast threshold and stability threshold respectively comprises: if the contrast coefficient is larger than or equal to the contrast threshold value and the stability coefficient is smaller than the stability threshold value, judging that the image shooting effect of the camera in the monitoring period meets the requirement, generating an effect qualified signal and sending the effect qualified signal to a mobile phone terminal of a manager; if the stability coefficient is greater than or equal to the stability threshold, judging that the image shooting effect of the camera in the monitoring period does not meet the requirement and the abnormal reason is environmental fluctuation, generating an environmental control signal and sending the environmental control signal to a mobile phone terminal of a manager; if the contrast coefficient is smaller than the contrast threshold and the stability coefficient is smaller than the stability threshold, judging that the image shooting effect of the camera in the monitoring period does not meet the requirement and analyzing the abnormal reason: monitoring a delay control mode in a monitoring period, adding one to the value of a switching value of the monitoring period when the delay control mode is switched, and comparing the switching value with a preset switching threshold value at the ending time of the monitoring period: if the switching value is smaller than the switching threshold value, marking the abnormality reason as software abnormality, generating a software optimization signal and sending the software optimization signal to a mobile phone terminal of a manager; if the switching value is greater than or equal to the switching threshold value, marking the abnormality reason as hardware abnormality, generating a hardware optimization signal and sending the hardware optimization signal to a mobile phone terminal of a manager.
8. The light source controller triggering delay control method is characterized by comprising the following steps of:
step one: monitoring and analyzing the delay state of the light source controller: performing delay experiment measurement on the light source controller to obtain a control delay value, and performing delay experiment measurement on the camera to obtain a photographing delay value; comparing the control delay value with the photographing delay value, generating a weight asynchronous control signal, a synchronous control signal or a gradient asynchronous control signal according to the comparison result, and transmitting the weight asynchronous control signal, the synchronous control signal or the gradient asynchronous control signal to the delay control module;
step two: the delay control module adopts a weight control mode to trigger delay control when receiving the weight asynchronous control signal, adopts a synchronous control mode to trigger delay control after receiving the synchronous control signal, and adopts a gradient control mode to trigger delay control after receiving the gradient asynchronous control signal;
step three: monitoring and analyzing the image shooting effect of the camera: and generating a monitoring period, marking the image shot by the camera in the monitoring period as a monitoring object, acquiring a comparison coefficient and a stability coefficient of the monitoring period, and judging whether the image shooting effect of the camera in the monitoring period meets the requirement or not through the comparison coefficient and the stability coefficient.
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| CN116567402B (en) | 2023-09-19 |
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