CN110650315A - Video acquisition method, system and device of photoelectric aiming equipment and storage device - Google Patents
Video acquisition method, system and device of photoelectric aiming equipment and storage device Download PDFInfo
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- CN110650315A CN110650315A CN201910887368.7A CN201910887368A CN110650315A CN 110650315 A CN110650315 A CN 110650315A CN 201910887368 A CN201910887368 A CN 201910887368A CN 110650315 A CN110650315 A CN 110650315A
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- video
- video acquisition
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G1/00—Sighting devices
- F41G1/46—Sighting devices for particular applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
Abstract
The invention provides a video acquisition method of photoelectric aiming equipment, which is applied to the technical field of video processing of the photoelectric aiming equipment and comprises the following steps: starting a video acquisition device of the photoelectric aiming equipment; acquiring working state information of the photoelectric aiming equipment at the current moment, wherein the working state information is action state information and/or sound information of the photoelectric aiming equipment; judging whether the photoelectric aiming equipment is in a shooting state or not according to the working state information; if so, intercepting a video segment corresponding to the video acquisition device according to the current moment; and taking the intercepted video segment as a video corresponding to the shooting state, and storing the video segment. And the video acquisition system, the video acquisition device and the storage device of the photoelectric aiming device are provided, so that the efficiency and the convenience of video acquisition are improved.
Description
Technical Field
The present invention relates to the field of video acquisition technologies for photoelectric aiming devices, and in particular, to a method, a system, an apparatus, and a storage apparatus for video acquisition for a photoelectric aiming device.
Background
The photoelectric aiming device can be detection aiming devices in various forms such as infrared, visible light, dim light and the like, and the device has the capability of high-resolution imaging, searching, tracking and indicating the target.
Generally, photoelectric aiming devices have a video recording function and can record picture scenes in the using process. In combination with the use of the scene, in the process of finding the target, a user can carry equipment and instruments to observe the surrounding environment at any time, uncertainty exists when the target is found and the shooting action is generated, but the judgment time from the target finding to the shooting action is usually only 1-2 seconds, and the user usually wants to be able to record the picture of each shot.
Therefore, if the camera is started to record when shooting is needed, shooting chances are missed; if the shooting pictures can be recorded continuously, the camera needs to be opened all the time, the recording time is long, the occupied memory is large, and a subsequent user needs to manually cut videos before and after the shooting action from a large segment of video.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a video acquisition method, a system, a device and a storage device of photoelectric aiming equipment, aiming at reducing the memory occupied by shooting videos under the condition of not losing shooting video pictures, and improving the efficiency and the convenience of video acquisition without manually cutting the videos before and after shooting action from a large-section video.
The invention is realized by the following steps:
the invention provides a video acquisition method of photoelectric aiming equipment, which comprises the following steps:
starting a video acquisition device of the photoelectric aiming equipment;
acquiring working state information of the photoelectric aiming equipment at the current moment, wherein the working state information is action state information and/or sound information of the photoelectric aiming equipment;
judging whether the photoelectric aiming equipment is in a shooting state or not according to the working state information;
if so, intercepting a video segment corresponding to the video acquisition device according to the current moment;
and taking the intercepted video segment as a video corresponding to the shooting state, and storing the video segment.
Further, after the step of turning on the video capture device of the electro-optical sighting device, the method further includes:
sending the video stream collected by the video collecting device to a temporary storage area;
acquiring available storage space of the temporary storage area;
and deleting the video data in the temporary storage area according to a first-in first-out principle when the available storage space is not larger than a preset memory space.
Further, the step of capturing the video segment corresponding to the video capture device according to the current time includes:
forming a first time period with a forward first time and forming a second time period with a backward second time by taking the current time as a reference;
acquiring a first video segment corresponding to the first time segment;
acquiring a second video segment corresponding to the second time segment;
and taking the first video segment and the second video segment as video segments corresponding to the video acquisition device.
Further, the step of acquiring the working state information of the photoelectric aiming device at the current moment includes:
acquiring acceleration data corresponding to an acceleration sensor, wherein the acceleration data is action state information of the photoelectric aiming device;
and collecting sound data through a sound sensor of the photoelectric aiming device.
Further, the step of determining whether the photoelectric aiming device is in a shooting state according to the working state information includes:
judging whether the acceleration data is not less than an acceleration threshold value;
if so, the photoelectric aiming device is determined to be in a shooting state.
Further, the method further comprises:
when the acceleration data is not less than an acceleration threshold, judging whether the sound data is not less than a sound threshold;
if so, the photoelectric aiming device is determined to be in a shooting state.
In addition, the invention also discloses a video acquisition system of the photoelectric aiming device, which comprises:
the video acquisition device is used for acquiring images within a view finding range;
the temporary storage area is used for storing the video data acquired by the video acquisition device;
the acquisition module is used for acquiring the working state information of the photoelectric aiming equipment at the current moment;
the data analysis module is used for judging whether the photoelectric aiming equipment is in a shooting state or not according to the working state information;
the image intercepting module is used for intercepting a video segment corresponding to the video acquisition device under the condition that the analysis result of the data analysis module is in a design state;
and the storage module is used for storing the intercepted video segment.
Further, the acquisition module is specifically configured to: acquiring the action state information of the photoelectric aiming equipment at the current moment by adopting an acceleration sensor; acquiring sound state information of the photoelectric aiming equipment at the current moment by adopting a sound sensor;
the data analysis module is used for judging whether the acceleration data is not less than an acceleration threshold value; if yes, determining that the photoelectric aiming device is in a shooting state;
or, the data analysis module is configured to determine whether the sound data is not less than a sound threshold when the acceleration data is not less than an acceleration threshold; if so, the photoelectric aiming device is determined to be in a shooting state.
In addition, the invention also discloses a video acquisition device of the photoelectric aiming equipment, which comprises a processor and a memory connected with the processor through a communication bus; wherein the content of the first and second substances,
the memory is used for storing a video acquisition program based on the photoelectric aiming device;
the processor is used for executing the video acquisition program based on the photoelectric aiming device so as to realize any one of the video acquisition steps based on the photoelectric aiming device.
And a storage device, which is a computer storage device having one or more programs stored thereon, the one or more programs being executable by one or more processors to cause the one or more processors to perform any of the video acquisition steps of the electro-optical sighting apparatus.
The video acquisition method, the video acquisition system, the video acquisition device and the video acquisition storage device of the photoelectric aiming equipment have the following beneficial effects:
1. the video acquisition device of the photoelectric aiming equipment is always started; the method can always obtain images within a viewing range, determine that the photoelectric aiming equipment is in a shooting state according to the working state information of the photoelectric aiming equipment at the current moment, and intercept a video segment corresponding to the video acquisition device; taking the intercepted video segment as a video corresponding to the shooting state, and storing the video segment; the problem that in the prior art, the shooting action needs to be obtained by cutting in a large period of time is avoided, and therefore the required video clip of the user can be directly obtained, and the video acquisition efficiency and convenience are improved. In addition, only the video clips corresponding to the shooting actions are acquired and stored in the whole process, so that the problem of overlarge memory occupation caused by storing all videos is solved;
2. the method comprises the steps that a temporary storage area is arranged, the video stream collected by a video collecting device is temporarily stored, and according to a first-in first-out principle, video data in the temporary storage area are deleted, so that the space occupied by videos in the whole shooting process is reduced;
3. acceleration data generated by shooting actions are collected through the acceleration sensor, sound data during shooting are collected through the sound sensor, the shooting status is determined under the condition that the acceleration data are not smaller than the acceleration threshold value and the sound data are not smaller than the sound threshold value, and then the video clips corresponding to the shooting actions are obtained, so that misjudgment caused by the fact that the shooting status is determined through the acceleration data only is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flowchart of a video acquisition method of an electro-optical sighting device according to an embodiment of the present invention;
fig. 2 is a schematic view of an application scenario of a video acquisition method of an electro-optical sighting device according to an embodiment of the present invention;
fig. 3 is a schematic view of another application scenario of the video acquisition method of the electro-optical sighting device according to the embodiment of the present invention;
fig. 4 is a schematic view of another application scenario of the video acquisition method of the electro-optical sighting device according to the embodiment of the present invention;
fig. 5 is a schematic view of an application scenario of a video capturing apparatus of an electro-optical sighting device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a video acquisition device of an electro-optical sighting device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a video acquisition method for an electro-optical sighting device, including the following steps:
and S101, starting a video acquisition device of the photoelectric aiming equipment.
It will be appreciated that, in the case where the electro-optical sighting device comprises a video capture device, the state of the video capture device can be controlled by a switch button, for example, to be in an on state or an off state.
It should be noted that the video capture device may be a camera, and a viewing range of the camera includes a range corresponding to shooting, so that the obtained video includes a result corresponding to shooting.
In a specific implementation manner of the present invention, a video stream acquired by the video acquisition device is sent to a temporary storage area; acquiring available storage space of the temporary storage area; and deleting the video data in the temporary storage area according to a first-in first-out principle when the available storage space is not larger than a preset memory space.
The video is continuously put into the temporary storage area, the available storage space of the temporary storage area is continuously detected, and the memory is released in time, so that the overlarge memory is avoided being occupied.
S102, acquiring working state information of the photoelectric aiming device at the current moment, wherein the working state information is action state information and/or sound information of the photoelectric aiming device.
When the design state is performed, an impact force is generated, and the state of the photoelectric aiming device is changed. It can be determined whether it is currently in the aiming state through the changed state.
In a specific implementation manner of the present invention, the step of obtaining the working state information of the photoelectric aiming device at the current time includes: acquiring acceleration data corresponding to an acceleration sensor, wherein the acceleration data is action state information of the photoelectric aiming device; and collecting sound data through a sound sensor of the photoelectric aiming device.
Illustratively, as shown in fig. 2, the acceleration sensor is fixed inside the electro-optical sighting device, for example, the electro-optical device is fixed on the firearm by a mounting bracket base. An acceleration sensor is mounted at one end of the electro-optical device, as indicated by the arrow, to the opposing impact force received at the time of firing. Specifically, when a shooting action occurs, the optoelectronic device may be subjected to a counter-impact force of the shooting, and according to the force conduction principle, the acceleration sensor may also be subjected to the counter-impact force, and in the internal structure of the acceleration sensor, as shown in fig. 3, the counter-impact force may cause the elastic device to deform and compress, and at the same time, the contact point of the pointer on the elastic device on the rheostat R may move, which may cause a change in resistance, for example, the deformation is larger as the force is larger, the resistance is larger (vice versa), that is, the resistance value of the rheostat access circuit is larger, which may cause an increase in output.
In addition, the sound sensor is fixed on the photoelectric equipment which is fixed on the firearm through the mounting base, and when a shooting action is generated, a bullet is discharged from a muzzle to instantly impact air to generate vibration and generate sound. The sound waves vibrate the electret film within the acoustic sensor, causing a change in capacitance, which in turn causes a voltage change.
Therefore, the acceleration data and the sound data generated in the shooting state and the non-shooting state are different, so that the acceleration data and the sound data can represent the operation state information.
S103, judging whether the photoelectric aiming equipment is in a shooting state or not according to the working state information; if so, go to step S104.
The embodiment of the invention provides a specific scheme for determining a design state according to working state information, which comprises the following steps: judging whether the acceleration data is not less than an acceleration threshold value; if so, the photoelectric aiming device is determined to be in a shooting state.
As shown in fig. 3, when the spring exerciser is in a normal state, it is indicated as a force, the feedback is output voltage 0, and when the force is different, the feedback is also different, for example, when the counter-impact force 1 is applied, the feedback is output voltage 1; when receiving the counter impact force 2, the feedback is the output voltage 2.
When a shooting action is generated, the rebound force can cause the elastic device to deform and be compressed, meanwhile, the stroke of a pointer on the elastic device on the rheostat R can be increased, the resistance value of a rheostat access circuit is increased, and accordingly, the output voltage is increased.
In an embodiment of the present invention, the step of determining whether the photoelectric aiming apparatus is in a shooting state according to the working state information includes: judging whether the acceleration data is not less than an acceleration threshold value; if so, the photoelectric aiming device is determined to be in a shooting state.
It can be understood that the impact force generated by shooting is very strong, and when the force applied to the elastic device exceeds a certain threshold value, the shooting action is determined to be generated at the moment. The acceleration data is reflected on the voltage according to the equivalent change relationship, so when the output voltage V1 corresponding to the acceleration data exceeds the threshold value Δ V1, it is determined that the shooting action is generated.
It can be understood that, the definition of the threshold is not one hundred percent of accuracy, so that there is an error, and in the embodiment of the present invention, to solve the problem of the existence of a judgment error, the judgment by introducing a sound specifically includes: when the acceleration data is not less than an acceleration threshold, judging whether the sound data is not less than a sound threshold; if so, the photoelectric aiming device is determined to be in a shooting state.
It will be appreciated that the sound sensor is fixed to the opto-electronic device which is fixed to the firearm by means of the mounting base, and that when a firing action is produced, the bullet exits the muzzle to momentarily impact the air to produce vibration and produce a sound. The sound waves vibrate the electret film within the acoustic sensor, causing a change in capacitance, which in turn causes a voltage change.
As is known, the sound decibel generated by shooting is very strong, and in order to prevent misjudgment of non-shooting conditions, in this system, when the sound decibel is judged to exceed a certain threshold, it is judged that the shooting action is generated at the moment. According to the equivalent variation relationship, it can be concluded that when the output voltage V2 exceeds the sound threshold Δ V2, it is determined that the shooting action is generated.
And S104, intercepting the video segment corresponding to the video acquisition device according to the current moment.
In an implementation manner of the present invention, the step of capturing a video segment corresponding to the video capture device according to the current time includes: forming a first time period with a forward first time and forming a second time period with a backward second time by taking the current time as a reference; acquiring a first video segment corresponding to the first time segment; acquiring a second video segment corresponding to the second time segment; and taking the first video segment and the second video segment as video segments corresponding to the video acquisition device.
Under the condition of determining that the video stream is in the design state, the video stream is called from the temporary database by taking the current time T1 as a reference, namely, the triggered time T1 can be recorded as a video capture module, and the video streams before and after T1 for delta T1 seconds and delta T2 seconds are captured and stored.
In another implementation manner of the present invention, a third time period is formed with the first time after the current time as a reference; acquiring a third video segment corresponding to the third time segment; and taking the third video segment as a video segment corresponding to the video acquisition device. Under the condition of determining that the video stream is in the design state, the video stream is called from the temporary database by taking the current time T1 as a reference, namely, the triggered time T1 can be recorded by a video interception module, and the video stream corresponding to delta T3 seconds after T1 is intercepted and stored.
And S105, taking the intercepted video segment as a video corresponding to the shooting state, and storing the video segment.
By applying the embodiment of the invention, a video segment before shooting and a video segment after shooting can be combined to form a video segment corresponding to a shooting state; or the shot video segment is taken as the video segment corresponding to the shooting state.
As shown in fig. 4 and fig. 5, an embodiment of the present invention further discloses a video acquisition system of an electro-optical sighting device, where the system 40 includes:
a video capture device 41 for capturing an image within a viewing range;
a temporary storage area 42 for storing the video data collected by the video collecting device;
the acquisition module 43 is configured to acquire working state information of the photoelectric aiming apparatus at the current time;
the data analysis module 44 is used for judging whether the photoelectric aiming device is in a shooting state according to the working state information;
the image intercepting module 45 is used for intercepting a video segment corresponding to the video acquisition device under the condition that the analysis result of the data analysis module is in a design state;
a storage module 46 for storing the intercepted video segment.
In one implementation, the acquisition module 43 is specifically configured to: acquiring the action state information of the photoelectric aiming equipment at the current moment by adopting an acceleration sensor; acquiring sound state information of the photoelectric aiming equipment at the current moment by adopting a sound sensor;
the data analysis module 44 is configured to determine whether the acceleration data is not less than an acceleration threshold; if yes, determining that the photoelectric aiming device is in a shooting state;
or, the data analysis module 44 is configured to determine whether the sound data is not smaller than a sound threshold when the acceleration data is not smaller than an acceleration threshold; if so, the photoelectric aiming device is determined to be in a shooting state.
As shown in fig. 5, the steps of the video acquisition system of the electro-optical sighting device in video acquisition include:
the video acquisition device is a video recording module, starts to work through the video recording module, acquires videos in an acquisition range, and transmits video data to a temporary storage area formed by a temporary database. And meanwhile, respectively acquiring decibel data detected by the sound sensor and impact data detected by the acceleration sensor, and when the data analysis module analyzes that the decibel data and the impact data exceed corresponding preset values, sending an intercepting signal to the temporary database by the data analysis module, and otherwise, returning to re-acquire and detect the sound sensor and the acceleration sensor so as to intercept the video clip of the video module according to the intercepting signal and store the video clip. Specifically, the capture signal may be a start time and an end time of the corresponding capture video.
In addition, the invention also discloses a video acquisition device 600 of the photoelectric aiming device, which comprises a processor 610 and a memory 620 connected with the processor 610 through a communication bus 630; wherein the content of the first and second substances,
the memory 620 is used for storing a video acquisition program based on the photoelectric aiming device;
the processor 610 is configured to execute the video acquisition program based on the electro-optical aiming device to implement any one of the video acquisition steps based on the electro-optical aiming device.
And, a storage device is disclosed, the storage device being a computer storage device having one or more programs stored thereon, the one or more programs being executable by the one or more processors 610 to cause the one or more processors 610 to perform the video acquisition steps of any of the electro-optical sighting apparatuses.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A method of video acquisition of an electro-optical sighting device, the method comprising:
starting a video acquisition device of the photoelectric aiming equipment;
acquiring working state information of the photoelectric aiming equipment at the current moment, wherein the working state information is action state information and/or sound information of the photoelectric aiming equipment;
judging whether the photoelectric aiming equipment is in a shooting state or not according to the working state information;
if so, intercepting a video segment corresponding to the video acquisition device according to the current moment;
and taking the intercepted video segment as a video corresponding to the shooting state, and storing the video segment.
2. The method for video acquisition of an electro-optical sighting device according to claim 1, further comprising, after the step of turning on the video acquisition means of the electro-optical sighting device:
sending the video stream collected by the video collecting device to a temporary storage area;
acquiring available storage space of the temporary storage area;
and deleting the video data in the temporary storage area according to a first-in first-out principle when the available storage space is not larger than a preset memory space.
3. The method for acquiring video of an electro-optical aiming device according to claim 1, wherein the step of intercepting the video segment corresponding to the video capture device according to the current time comprises:
forming a first time period with a forward first time and forming a second time period with a backward second time by taking the current time as a reference;
acquiring a first video segment corresponding to the first time segment;
acquiring a second video segment corresponding to the second time segment;
and taking the first video segment and the second video segment as video segments corresponding to the video acquisition device.
4. The video acquisition method of the electro-optical aiming device as claimed in any one of claims 1 to 3, wherein the step of acquiring the operating state information of the electro-optical aiming device at the current moment comprises the following steps:
acquiring acceleration data corresponding to an acceleration sensor, wherein the acceleration data is action state information of the photoelectric aiming device;
and collecting sound data through a sound sensor of the photoelectric aiming device.
5. The method for acquiring video of an electro-optical aiming device according to claim 4, wherein the step of determining whether the electro-optical aiming device is in a shooting state according to the working state information comprises:
judging whether the acceleration data is not less than an acceleration threshold value;
if so, the photoelectric aiming device is determined to be in a shooting state.
6. The method for video acquisition of an electro-optical sighting device of claim 5, further comprising:
when the acceleration data is not less than an acceleration threshold, judging whether the sound data is not less than a sound threshold;
if so, the photoelectric aiming device is determined to be in a shooting state.
7. A video acquisition system of an electro-optical sighting device, the system comprising:
the video acquisition device is used for acquiring images within a view finding range;
the temporary storage area is used for storing the video data acquired by the video acquisition device;
the acquisition module is used for acquiring the working state information of the photoelectric aiming equipment at the current moment;
the data analysis module is used for judging whether the photoelectric aiming equipment is in a shooting state or not according to the working state information;
the image intercepting module is used for intercepting a video segment corresponding to the video acquisition device under the condition that the analysis result of the data analysis module is in a design state;
and the storage module is used for storing the intercepted video segment.
8. The video acquisition system of an electro-optical sighting device of claim 7, wherein the acquisition module is specifically configured to: acquiring the action state information of the photoelectric aiming equipment at the current moment by adopting an acceleration sensor; acquiring sound state information of the photoelectric aiming equipment at the current moment by adopting a sound sensor;
the data analysis module is used for judging whether the acceleration data is not less than an acceleration threshold value; if yes, determining that the photoelectric aiming device is in a shooting state;
or, the data analysis module is configured to determine whether the sound data is not less than a sound threshold when the acceleration data is not less than an acceleration threshold; if so, the photoelectric aiming device is determined to be in a shooting state.
9. A video acquisition device of an electro-optical sighting apparatus, characterized in that the device comprises a processor and a memory connected to the processor via a communication bus; wherein the content of the first and second substances,
the memory is used for storing a video acquisition program based on the photoelectric aiming device;
the processor is used for executing the video acquisition program based on the photoelectric aiming device to realize the video acquisition step based on the photoelectric aiming device in any one of claims 1 to 6.
10. A storage device, being a computer storage device, having one or more programs stored thereon, the one or more programs being executable by one or more processors to cause the one or more processors to perform the video acquisition steps of the electro-optical sighting apparatus of any one of claims 1-6.
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| CN201910887368.7A CN110650315A (en) | 2019-09-19 | 2019-09-19 | Video acquisition method, system and device of photoelectric aiming equipment and storage device |
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| CN201910887368.7A CN110650315A (en) | 2019-09-19 | 2019-09-19 | Video acquisition method, system and device of photoelectric aiming equipment and storage device |
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| CN1318728A (en) * | 2001-05-01 | 2001-10-24 | 中国科学院合肥智能机械研究所 | Shooting training guidance system |
| US20140182186A1 (en) * | 2011-03-15 | 2014-07-03 | David A. Stewart | Video camera gun barrel mounting and programming system |
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Application publication date: 20200103 |