CN110708517A - Method and system for synchronizing internal data information and external video information of controller - Google Patents
Method and system for synchronizing internal data information and external video information of controller Download PDFInfo
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- CN110708517A CN110708517A CN201911070833.4A CN201911070833A CN110708517A CN 110708517 A CN110708517 A CN 110708517A CN 201911070833 A CN201911070833 A CN 201911070833A CN 110708517 A CN110708517 A CN 110708517A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
Abstract
The invention discloses a method for synchronizing data information inside a controller and external video information, which is used for engineering machinery and comprises the following steps: acquiring a live-action video of the operation of the engineering machinery through a camera device and acquiring information data in real time through an information acquisition device, wherein the information data comprises machine information data and environment information data of the operation of the engineering machinery; establishing time association between the information data and the live-action video content according to the acquisition time of the information data and the live-action video shooting time; and comparing the real-scene video content and the information data which are correlated in time, so that the real-scene video content and the information data at the same moment are consistent, and the information data which are collected in real time are synchronously displayed when the real-scene video content is played. The invention can realize the high synchronization of the internal data information and the external video information of the controller, thereby greatly reducing the time error. Meanwhile, the invention also discloses a system for synchronizing the data information inside the controller and the external video information.
Description
Technical Field
The invention belongs to the technical field of video processing, and particularly relates to a method and a system for synchronizing internal data information and external video information of a controller.
Background
In the operation of the engineering machinery, the operation of the machine has behavioral expression, recorded and broadcast signals are arranged in the controller, a camera is arranged outside the controller to take pictures, and the behavior of the machine is easy to cause the situation of no correspondence when physical signals such as vibration, height and the like are analyzed after being collected. If the image signals are synchronously acquired, the behavior expression and the internal state of the machine have relevance, so that the controllability of the machine is greatly improved.
In the construction process of the existing engineering machinery, in order to correlate the video shot by a camera with the information such as pressure, rotating speed, temperature and the like stored in a database, the conventional method is to time-align the camera and a controller with the time of a GPS satellite, but the time error exists in the process, and the error is at least ms level, so that if the video signal, namely the video has an accurate time scale, and the data also has the accurate time scale, the error rate can be greatly reduced.
Disclosure of Invention
In view of the above, the present invention is directed to a method and a system for synchronizing internal data information and external video information of a controller, which avoid the disadvantages of the prior art, and implement synchronization between the internal data information and the external video information of the controller by establishing a temporal relationship between a video shot image and acquired information data, thereby achieving high consistency of synchronization between the internal data information and the external video information of the controller.
The purpose of the invention is realized by the following technical scheme: the method for synchronizing the internal data information and the external video information of the controller is used for the engineering machinery and comprises the following steps:
(1) acquiring a live-action video of the operation of the engineering machinery through a camera device and acquiring information data in real time through an information acquisition device, wherein the information data comprises machine information data and environment information data of the operation of the engineering machinery;
(2) establishing time association between the information data and the live-action video content according to the acquisition time of the information data and the live-action video shooting time;
(3) and comparing the real-scene video content and the information data which are correlated in time, so that the real-scene video content and the information data at the same moment are consistent, and the information data which are collected in real time are synchronously displayed when the real-scene video content is played.
As a further improvement, the machine information data comprises one or more of working position, pressure, load, steering, vibration amplitude and height of the engineering machine, and the environment information data comprises one or more of geographical position, geology, temperature and humidity.
As a further improvement, the step (2) of time-correlating the information data and the live-action video content shows that the information data and the live-action video content are provided with time stamps.
As a further improvement, the step (3) compares the real-scene video content and the information data associated with each other, so that the real-scene video content and the information data at the same time are consistent, and when the real-scene video content is played, the step of synchronously displaying the information data acquired in real time specifically includes:
the real-scene video of the engineering machinery operation shot by the camera device is compared with the information data collected by the information collection device in real time on the same time axis:
if the starting time of live-action video shooting is earlier than the acquisition time of the information data, the video content of the live-action video shooting which is earlier than the acquisition time of the information data is cut off, the starting time of the live-action video shooting is ensured to be the same, and the information data acquired in real time is synchronously displayed when the live-action video content is played;
if the starting time of the live-action video shooting is later than the information data acquisition time, ignoring the information data which is acquired earlier than the live-action video shooting time, ensuring that the starting time of the information data acquisition is the same as the starting time of the information data acquisition, and synchronously displaying the information data acquired in real time when the live-action video content is played;
if the starting time of the live-action video shooting is synchronous with the acquisition time of the information data, no processing is needed, and the information data acquired in real time can be synchronously displayed when the live-action video content is played.
As a further improvement, the starting time of live-action video shooting is synchronous with the acquisition time of information data, and the real-action video shooting is realized by synchronous triggering of the camera device and the information acquisition device.
As a further improvement, the information data is displayed in graphical or numerical form.
In another aspect, the present invention further provides a system for synchronizing data information inside a controller and external video information, which is used for a construction machine, and includes:
the camera device is used for acquiring a live-action video of the operation of the engineering machinery;
the information acquisition device is used for acquiring information data in real time, wherein the information data comprises machine information data and environment information data of engineering machinery operation;
camera device and information acquisition device link to each other with the controller respectively, the controller is including processing module, information comparison module and synchronization module, wherein:
the processing module is used for establishing time correlation between the information data and the live-action video content according to the acquisition time of the information data and the live-action video shooting time;
the information comparison module is used for comparing the real scene video content associated with time with the information data;
and the synchronization module is used for enabling the live-action video content and the information data at the same moment to be consistent, and ensuring that the information data acquired in real time is synchronously displayed when the live-action video content is played.
As a further improvement, the machine information data comprises one or more of working position, pressure, load, steering, vibration amplitude and height of the engineering machine, and the environment information data comprises one or more of geographical position, geology, temperature and humidity.
As a further improvement, the time correlation between the information data and the live-action video content in the processing module is represented by that the information data and the live-action video content are provided with time stamps.
As a further improvement, the information comparison module compares the real-scene video content and the information data associated with time, which is specifically represented as: the real-scene video of the engineering machinery operation shot by the camera device is compared with the information data collected by the information collection device in real time on the same time axis;
the real-scene video content and the information data at the same moment are consistent in the synchronization module, and the information data collected in real time are synchronously displayed when the real-scene video content is played, and the method is specifically represented as follows:
if the starting time of live-action video shooting is earlier than the acquisition time of the information data, the video content of the live-action video shooting which is earlier than the acquisition time of the information data is cut off, the starting time of the live-action video shooting is ensured to be the same, and the information data acquired in real time is synchronously displayed when the live-action video content is played;
if the starting time of the live-action video shooting is later than the information data acquisition time, ignoring the information data which is acquired earlier than the live-action video shooting time, ensuring that the starting time of the information data acquisition is the same as the starting time of the information data acquisition, and synchronously displaying the information data acquired in real time when the live-action video content is played;
if the starting time of the live-action video shooting is synchronous with the acquisition time of the information data, no processing is needed, and the information data acquired in real time can be synchronously displayed when the live-action video content is played.
In summary, the invention firstly obtains the live-action video of the engineering machinery operation through the camera device and collects the information data in real time through the information collection device; then, establishing time correlation between the information data and the live-action video content according to the acquisition time of the information data and the live-action video shooting time; and finally, comparing the real-scene video content and the information data which are related by time, so that the real-scene video content and the information data at the same moment are consistent, and synchronously displaying the information data which are collected in real time when the real-scene video content is played. Compared with the prior art that the time synchronization of the camera and the controller with the GPS satellite time is needed, the method and the device can realize the high synchronization of the internal data information and the external video information of the controller, and greatly reduce the time error.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
Fig. 1 is a flow chart of a method for synchronizing internal data information and external video information of a controller according to the present invention.
Fig. 2 is a schematic diagram of a system for synchronizing data information within a controller with external video information according to the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it is to be noted that the embodiments and features of the embodiments of the present application can be combined with each other without conflict.
As shown in fig. 1, a method for synchronizing internal data information and external video information of a controller provided in an embodiment of the present invention is applied to a construction machine, and includes the following steps:
(1) acquiring a live-action video of the operation of the engineering machinery through a camera device and acquiring information data in real time through an information acquisition device, wherein the information data comprises machine information data and environment information data of the operation of the engineering machinery; preferably, the machine information data includes one or more of a working location, pressure, load, steering, vibration amplitude, altitude of the work machine, and the environment information data includes one or more of a geographical location, geology, temperature, and humidity;
(2) establishing time association between the information data and the live-action video content according to the acquisition time of the information data and the live-action video shooting time; preferably, the time correlation between the information data and the live-action video content shows that the information data and the live-action video content are provided with time marks;
(3) and comparing the real-scene video content and the information data which are correlated in time, so that the real-scene video content and the information data at the same moment are consistent, and the information data which are collected in real time are synchronously displayed when the real-scene video content is played.
In a further technical solution, in the step (3), the real-scene video content and the information data associated with time are compared, so that the real-scene video content and the information data at the same time are consistent, and when the real-scene video content is played, the information data acquired in real time and synchronously displayed are specifically represented as follows:
the real-scene video of the engineering machinery operation shot by the camera device is compared with the information data collected by the information collection device in real time on the same time axis:
if the starting time of live-action video shooting is earlier than the acquisition time of the information data, the video content of the live-action video shooting which is earlier than the acquisition time of the information data is cut off, the starting time of the live-action video shooting is ensured to be the same, and the information data acquired in real time is synchronously displayed when the live-action video content is played;
if the starting time of the live-action video shooting is later than the information data acquisition time, ignoring the information data which is acquired earlier than the live-action video shooting time, ensuring that the starting time of the information data acquisition is the same as the starting time of the information data acquisition, and synchronously displaying the information data acquired in real time when the live-action video content is played;
if the starting time of the live-action video shooting is synchronous with the acquisition time of the information data, no processing is needed, and the information data acquired in real time can be synchronously displayed when the live-action video content is played.
As a further preferred embodiment, the start time of live-action video shooting and the acquisition time of the information data are synchronized in the present invention, and the start time is triggered by the synchronization of the image capturing device and the information acquisition device.
In addition, it should be noted that the information data in the present invention is preferably displayed in a graphic or digital form, but is not limited thereto, and other technical solutions capable of displaying the information data are also within the scope of the present invention.
Firstly, acquiring a live-action video of engineering machinery operation through a camera device and acquiring information data in real time through an information acquisition device; then, establishing time correlation between the information data and the live-action video content according to the acquisition time of the information data and the live-action video shooting time; and finally, comparing the real-scene video content and the information data which are related by time, so that the real-scene video content and the information data at the same moment are consistent, and synchronously displaying the information data which are collected in real time when the real-scene video content is played. Compared with the prior art that the time synchronization of the camera and the controller with the GPS satellite time is needed, the method and the device can realize the high synchronization of the internal data information and the external video information of the controller, and greatly reduce the time error.
Meanwhile, as shown in fig. 2, the present invention also discloses a system for synchronizing data information inside a controller and external video information, which is used for an engineering machine, and comprises:
the camera device is used for acquiring a live-action video of the operation of the engineering machinery;
the information acquisition device is used for acquiring information data in real time, wherein the information data comprises machine information data and environment information data of engineering machinery operation; specifically, the machine information data comprises one or more of working position, pressure, load, steering, vibration amplitude and height of the engineering machine, and the environment information data comprises one or more of geographical position, geology, temperature and humidity;
camera device and information acquisition device link to each other with the controller respectively, the controller is including processing module, information comparison module and synchronization module, wherein:
the processing module is used for establishing time correlation between the information data and the live-action video content according to the acquisition time of the information data and the live-action video shooting time; preferably, the time correlation between the information data and the live-action video content in the processing module shows that the information data and the live-action video content both have time marks;
the comparison module is used for comparing the real scene video content associated with the time with the information data;
and the synchronization module is used for enabling the live-action video content and the information data at the same moment to be consistent, and ensuring that the information data acquired in real time is synchronously displayed when the live-action video content is played.
As a further preferred embodiment, in the system for synchronizing internal data information and external video information of a controller according to the present invention, the information comparison module compares real-scene video content and information data associated with time, and specifically shows that: the real-scene video of the engineering machinery operation shot by the camera device is compared with the information data collected by the information collection device in real time on the same time axis;
the real-scene video content and the information data at the same moment are consistent in the synchronization module, and the information data collected in real time are synchronously displayed when the real-scene video content is played, and the method is specifically represented as follows:
if the starting time of live-action video shooting is earlier than the acquisition time of the information data, the video content of the live-action video shooting which is earlier than the acquisition time of the information data is cut off, the starting time of the live-action video shooting is ensured to be the same, and the information data acquired in real time is synchronously displayed when the live-action video content is played;
if the starting time of the live-action video shooting is later than the information data acquisition time, ignoring the information data which is acquired earlier than the live-action video shooting time, ensuring that the starting time of the information data acquisition is the same as the starting time of the information data acquisition, and synchronously displaying the information data acquired in real time when the live-action video content is played;
if the starting time of the live-action video shooting is synchronous with the acquisition time of the information data, no processing is needed, and the information data acquired in real time can be synchronously displayed when the live-action video content is played
The invention relates to a system for synchronizing data information inside a controller and external video information, which is characterized in that a camera device and an information acquisition device are used for respectively acquiring a live-action video and real-time acquisition information data of engineering machinery operation (the information data comprises machine information data and environment information data of the engineering machinery operation); establishing time association between the information data and the live-action video content through a processing module; the information comparison module and the synchronization module are used for comparing the real-scene video content and the information data which are related in time, so that the real-scene video content and the information data at the same moment are consistent, the information data which are acquired in real time are synchronously displayed when the real-scene video content is played, and the method has the advantages of greatly improving the synchronism of the internal data information and the external video information of the controller and reducing the time error of the internal data information and the external video information of the controller.
In the description above, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore should not be construed as limiting the scope of the present invention.
In conclusion, although the present invention has been described with reference to the preferred embodiments, it should be noted that, although various changes and modifications may be made by those skilled in the art, they should be included in the scope of the present invention unless they depart from the scope of the present invention.
Claims (10)
1. A method for synchronizing internal data information and external video information of a controller is used for engineering machinery, and is characterized by comprising the following steps:
(1) acquiring a live-action video of the operation of the engineering machinery through a camera device and acquiring information data in real time through an information acquisition device, wherein the information data comprises machine information data and environment information data of the operation of the engineering machinery;
(2) establishing time association between the information data and the live-action video content according to the acquisition time of the information data and the live-action video shooting time;
(3) and comparing the real-scene video content and the information data which are correlated in time, so that the real-scene video content and the information data at the same moment are consistent, and the information data which are collected in real time are synchronously displayed when the real-scene video content is played.
2. The method of claim 1, wherein the machine information data includes one or more of a working location, a pressure, a load, a steering, a vibration amplitude, and an altitude of the construction machine, and the environment information data includes one or more of a geographical location, a geology, a temperature, and a humidity.
3. The method for synchronizing the internal data information and the external video information of the controller according to claim 2, wherein the step (2) of time-correlating the information data and the live-action video content shows that the information data and the live-action video content are both provided with time stamps.
4. The method for synchronizing data information inside a controller with external video information according to claim 3, wherein the step (3) compares the real-scene video content and the information data associated with time to make the real-scene video content and the information data at the same time consistent, so as to ensure that the information data acquired in real time and synchronously displayed when the real-scene video content is played is specifically represented as follows:
the real-scene video of the engineering machinery operation shot by the camera device is compared with the information data collected by the information collection device in real time on the same time axis:
if the starting time of live-action video shooting is earlier than the acquisition time of the information data, the video content of the live-action video shooting which is earlier than the acquisition time of the information data is cut off, the starting time of the live-action video shooting is ensured to be the same, and the information data acquired in real time is synchronously displayed when the live-action video content is played;
if the starting time of the live-action video shooting is later than the information data acquisition time, ignoring the information data which is acquired earlier than the live-action video shooting time, ensuring that the starting time of the information data acquisition is the same as the starting time of the information data acquisition, and synchronously displaying the information data acquired in real time when the live-action video content is played;
if the starting time of the live-action video shooting is synchronous with the acquisition time of the information data, no processing is needed, and the information data acquired in real time can be synchronously displayed when the live-action video content is played.
5. The method for synchronizing the data information inside the controller with the video information outside the controller according to claim 4, wherein the start time of live-action video shooting is synchronized with the acquisition time of the information data by the synchronous triggering of the camera device and the information acquisition device.
6. The method for synchronizing data information inside a controller with external video information according to any one of claims 1 to 5, wherein the information data is displayed in a graphic or digital form.
7. A system for synchronizing data information and external video information inside a controller, which is used for engineering machinery, is characterized by comprising:
the camera device is used for acquiring a live-action video of the operation of the engineering machinery;
the information acquisition device is used for acquiring information data in real time, wherein the information data comprises machine information data and environment information data of engineering machinery operation;
camera device and information acquisition device link to each other with the controller respectively, the controller is including processing module, information comparison module and synchronization module, wherein:
the processing module is used for establishing time correlation between the information data and the live-action video content according to the acquisition time of the information data and the live-action video shooting time;
the information comparison module is used for comparing the real scene video content associated with time with the information data;
and the synchronization module is used for enabling the live-action video content and the information data at the same moment to be consistent, and ensuring that the information data acquired in real time is synchronously displayed when the live-action video content is played.
8. The system of claim 7, wherein the machine information data comprises one or more of a working location, a pressure, a load, a steering, a vibration amplitude, and an altitude of the construction machine, and the environment information data comprises one or more of a geographical location, a geology, a temperature, and a humidity.
9. The system of claim 7, wherein the temporal association between the information data and the live-action video content in the processing module is represented by a timestamp for both the information data and the live-action video content.
10. The system for synchronizing data information inside a controller and video information outside a controller according to claim 7, wherein the information comparing module compares the real-scene video content and the information data associated with time, and is embodied as: the real-scene video of the engineering machinery operation shot by the camera device is compared with the information data collected by the information collection device in real time on the same time axis;
the real-scene video content and the information data at the same moment are consistent in the synchronization module, and the information data collected in real time are synchronously displayed when the real-scene video content is played, and the method is specifically represented as follows:
if the starting time of live-action video shooting is earlier than the acquisition time of the information data, the video content of the live-action video shooting which is earlier than the acquisition time of the information data is cut off, the starting time of the live-action video shooting is ensured to be the same, and the information data acquired in real time is synchronously displayed when the live-action video content is played;
if the starting time of the live-action video shooting is later than the information data acquisition time, ignoring the information data which is acquired earlier than the live-action video shooting time, ensuring that the starting time of the information data acquisition is the same as the starting time of the information data acquisition, and synchronously displaying the information data acquired in real time when the live-action video content is played;
if the starting time of the live-action video shooting is synchronous with the acquisition time of the information data, no processing is needed, and the information data acquired in real time can be synchronously displayed when the live-action video content is played.
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Application publication date: 20200117 |