CN105578010A - On-site law enforcement recording terminal for thievery prevention - Google Patents
On-site law enforcement recording terminal for thievery prevention Download PDFInfo
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- CN105578010A CN105578010A CN201511002836.6A CN201511002836A CN105578010A CN 105578010 A CN105578010 A CN 105578010A CN 201511002836 A CN201511002836 A CN 201511002836A CN 105578010 A CN105578010 A CN 105578010A
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- submodule
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- external force
- record terminal
- abnormality detection
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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
- H04N23/50—Constructional details
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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
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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
Abstract
The invention discloses an on-site law enforcement recording terminal for thievery prevention. The on-site law enforcement recording terminal comprises a photographing module, a storage module, a locating module, an external force sensing module and a control module; and the control module comprises a position information obtaining sub-module, an external force strength information obtaining sub-module, an anomaly detection sub-module, an emergency photographing control sub-module, an uploading control sub-module and an encryption sub-module. According to the invention, the on-site law enforcement recording terminal having the thievery prevention function can be realized.
Description
Technical field
The present invention relates to record field of terminal, particularly one is anti-usurps on-site law-enforcing record terminal.
Background technology
Along with development and the construction of China market economy, carrying out in an all-round way of socialist political civilization, general plan of running a country in accordance with the law, how raising the level of law enforcement further, ensureing enforces law impartially is pendulum very important and pressing task in face of public security organ at different levels and vast public security police.The establishment of city's civilization and the development of harmonious society be unable to do without the law enforcement agencies such as public security, industry and commerce and municipal administration to the work of patrolling and examining of social all departments, but, in law enforcement, dispute and collision event happen occasionally, and have both affected the image of law enforcement agency, are also unfavorable for building harmonious law-enforcing environment.Strengthen police service open, strengthen the transparency of public security work, with openly short just, with just short just.Strengthening and improving enforcing law supervision is the guarantee realizing enforcing the law justly, effectively avoid malicious complaint, reduce hasty lawsuit, for the criminal responsibility investigating violent resistance against law behavior provides vaild evidence, be applicable to each law enforcement agencies such as public security, traffic police, municipal administration, the administration of justice, procuratorial work, fire-fighting, industry and commerce, electric power, water utilities, tobacco, rescue and relief work.
Current enforcing law process, be use single video camera, camera or recorder to carry out evidence obtaining record, existing law enforcement record termination function is single, can not satisfy the demands.And existing law enforcement record terminal is once be stolen, and image data wherein is also lost immediately.Therefore, based on this, be badly in need of a kind of on-site law-enforcing record terminal that can realize anti-theft feature.
Summary of the invention
Technical problem to be solved by this invention is: how to realize the on-site law-enforcing record terminal with anti-theft feature.For this reason, the present invention proposes a kind of anti-to usurp on-site law-enforcing record terminal, can solve one or more problems that restriction and defect due to prior art cause fully.
Additional advantages of the present invention, object and characteristic, a part will be elucidated in the following description, and another part for those of ordinary skill in the art by being obvious to the investigation of explanation below or acquiring from enforcement of the present invention.Can realize and obtain the object of the invention and advantage by the structure pointed out especially in the specification of word and claims and accompanying drawing.
The invention provides one to prevent usurping on-site law-enforcing record terminal, comprise photographing module, memory module, locating module, external force induction module and control module, wherein:
Photographing module comprises two external camera lenses, is respectively the first camera lens and the second camera lens, is taken environment by this first camera lens and the second camera lens; Memory module, for storing the video image captured by photographing module; Locating module, this locating module is used for positioning the fixed point of shooting, generates positional information; External force induction module, this external force induction module, for responding to external impact, generates external force strength information.
Described control module comprises positional information acquisition submodule, external force strength information obtains submodule, abnormality detection submodule, promptly shooting control submodule, upload control submodule and encryption submodule, wherein,
Described positional information obtains submodule, for obtaining the current location information of record terminal from locating module.
Described external force strength information obtains submodule, for obtaining the current external force strength information of record terminal from external force induction module.
Described abnormality detection submodule, the positional information obtained according to positional information acquisition submodule and external force strength information obtain the external force strength information that submodule obtains, and judge whether record terminal occurs exception.
Described urgent shooting controls submodule, according to the testing result of abnormality detection submodule, determines whether that controlling photographing module promptly makes a video recording.
Describedly upload control submodule, according to the testing result of abnormality detection submodule, really whether the vedio data stored in memory module is uploaded to host computer.
Whether described encryption submodule, according to the testing result of abnormality detection submodule, be encrypted the vedio data stored in memory module really.
Preferably, described abnormality detection submodule, the positional information obtained according to positional information acquisition submodule and external force strength information obtain the external force strength information that submodule obtains, judge whether record terminal occurs exception, specifically comprise: when positional information display record terminal current location does not belong within the scope of the band of position of setting, or external force strength information shows current outer force intensity when being greater than threshold value Fth, then judge that record terminal occurs abnormal.
Preferably, described urgent shooting controls submodule, according to the testing result of abnormality detection submodule, determine whether that controlling photographing module promptly makes a video recording, specifically comprise: when the testing result display record terminal of abnormality detection submodule occurs abnormal, shooting controls submodule and controls the first camera lens and the second camera lens carries out taking monitoring and the video image that shooting obtains is uploaded to host computer in real time.
Preferably, describedly upload control submodule, according to the testing result of abnormality detection submodule, really whether the vedio data stored in memory module is uploaded to host computer, specifically comprise: when the testing result display record terminal of abnormality detection submodule occurs abnormal, the vedio data in the time period of the moment T-T0 before the current time T stored in memory module to current time is uploaded to host computer.
Preferably, described encryption submodule, according to the testing result of abnormality detection submodule, really whether the vedio data stored in memory module is encrypted, specifically comprise: when the testing result display record terminal of abnormality detection submodule occurs abnormal, be encrypted by the vedio data stored in memory module, namely user must use the password preset just can check, edit and delete described vedio data.
Accompanying drawing explanation
Fig. 1 is the structural representation of the control module of record terminal according to the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.Should be appreciated that specific embodiment described herein is only exemplary embodiment of the present invention, in order to explain the present invention, instead of whole embodiment, be not limited to the present invention.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.When not conflicting, the embodiment in the present invention and the feature in embodiment can combination in any mutually.
As shown in Figure 1, this prevents that usurping on-site law-enforcing record terminal comprises photographing module, microphone, loud speaker, memory module, power amplifier module, locating module, external force induction module, alarm module, communication module, display module, video processing module and control module.These parts of description record terminal detailed respectively below.
Photographing module comprises two external camera lenses, is respectively the first camera lens and the second camera lens, is taken environment by this first camera lens and the second camera lens.Described first camera and second camera comprise cmos image sensor, two infrared lamp photo resistance and two optical-filter switcher.By the luminous intensity that two infrared lamp photo resistance induction is extraneous, control the work of two optical-filter switcher with this.Cmos image sensor carries out video acquisition, directly optical signalling can be converted to analog current signal, and current signal, through amplifying and analog-to-digital conversion, realizes the acquisition of image, storage, transmission, process and reproduction.
Locating module, this locating module is used for positioning the fixed point of shooting, and generate positional information, this locating module is such as GPS module.
External force induction module, this external force induction module, for responding to external impact, generates external force strength information.
Memory module, for storing the video image captured by photographing module, can use dynamic random access memory (SDRAM), and with control module clock synchronous, can carry out dynamic data storage, random write fetching determines address date.
Communication module, described communication module comprises bluetooth submodule and radio communication submodule, and wherein, bluetooth submodule is used for communicating with other terminal equipment of on-site law-enforcing personnel, such as, communicate with the mobile phone of on-site law-enforcing personnel; Radio communication submodule is used for communicating with the host computer of this record terminal, such as, communicate with management server.
Display module fits over above the wireless remote control of on-site law-enforcing personnel, and on-site law-enforcing personnel can law enforcement scene promptly and accurately captured by preview, confirms shooting angle and operating state.This function is the record guarantee that law enforcement evidence obtaining provides convenient practicality, guarantees validity, the integrality of law enforcement image.After system has prepared intercom Special-purpose connecting line, can realize intercommunication function after intercom connects, built-in separate microphone and loud speaker can be intercom and use.In addition, can communication module be passed through, such as bluetooth submodule, with on-site law-enforcing personnel with it special handset communicate.Can also be prestored emergency numbers, comes to get in touch with relevant departments or related personnel by one-touch dialing.
The video image of on-site law-enforcing personnel on site shooting can pass through communication module, and such as radio communication submodule, is transferred to host computer.
The video image of video processing module to shooting of law enforcement record terminal processes.Described Computer Vision comprises the following steps:
First be target detection part, main employing background subtraction technology.Image is divided into background and prospect two parts by background subtraction exactly.The extraction of foreground target adopts the method based on background modeling, and it utilizes the difference of present image and background image to detect a kind of technology of moving region, can provide most complete characteristic.Set up a kind of adaptive model, each picture point be have employed to the hybrid representation of multiple Gauss model, each Gaussian Profile has different weights and priority respectively, and they are always according to priority order sequence from high to low.Get surely suitable background weights and threshold, before only within this threshold value, several distributions are just considered to background distributions, and other is then prospect distribution.Before detection during sight spot, mate one by one with each Gaussian Profile according to priority order, if do not represent, the Gaussian Profile of background distributions matches, then judge that this point is as foreground point, otherwise be background dot.
Then be the Extraction parts of target, image is after binary conversion treatment, just moving target can be separated from scene after using connected domain marking algorithm again, and two parameters of moving target can be obtained: area and center of gravity, for next step target following provides foundation.
After the area and center of gravity of Objective extraction acquisition target, utilize the area of Moving Objects between two frames and center of gravity can not to undergo mutation this basic general knowledge, according to the area of connected region between two frames and center of gravity immediate as same target, thus the tracking of realize target.In order to simplify calculating, first the area of tried to achieve connected region is sorted, then compare with the ranking results of last computation, then the barycentric coodinates in twice result of calculation are judged again, if the barycentric coodinates between two frames are not jumped, just same destination object can be thought.For multi-target condition, carry out such judgement successively, find out the multiobject tracking of optimum Match object implementatio8 respectively.
It is finally the sort module of target, consider the requirement of real-time of video and image procossing, algorithm can not be too complicated and affect speed, the application takes into full account system processing power and object of which movement attribute, and physical attribute (region area) and the activity attributes (speed) of select target detect.In area, first two threshold value S1 and S2 (S1 < S2) are determined, then the area S of each connected region is obtained, if S1 < S < is S2, then target object is had to exist in this region, factor of influence is Fs, otherwise is 0.Next is speed aspect, then can be obtained the gravity center shift of target, thus obtain the movement velocity of target by two frame continuous print pictures.Equally first determine two threshold speed V1 and V2 (V1 < V2), as respectively moved Δ x and Δ y to the center of gravity of this target during t+1 frame in X-axis, Y-axis at t frame, then movement velocity just equals
wherein, Δ t is the time interval of two frames.If V1 < Vt < is V2, then its factor of influence is Fmove, otherwise is 0.Finally determine two weight threshold W1 and W2 (W1 < W2), Area and Speed two aspect comprehensively show that weights are: Wobj=KsFs+KmoveFmove, wherein, Ks and Kmove is respectively the weight coefficient of target area and target speed attribute.If W1 < Wobj < is W2, then shows that institute's detected object is destination object, otherwise be not destination object.
Based on above-mentioned video step, whether video processing module determination detected object is destination object.
The alarm module of law enforcement record terminal, according to the testing result of video processing module, determines whether to report to the police.Concrete, when video processing module determination detected object is not destination object, alarm module is to User Alarms.Described warning can point out user by modes such as sound, word, images.
The control module of described record terminal, comprises positional information acquisition submodule, external force strength information obtains submodule, abnormality detection submodule, promptly shooting control submodule, uploads control submodule and encryption submodule.
Described positional information obtains submodule, for obtaining the current location information of record terminal from locating module.
Described external force strength information obtains submodule, for obtaining the current external force strength information of record terminal from external force induction module.
Described abnormality detection submodule, the positional information obtained according to positional information acquisition submodule and external force strength information obtain the external force strength information that submodule obtains, and judge whether record terminal occurs exception.Concrete, when positional information display record terminal current location does not belong within the scope of the band of position of setting, or external force strength information shows current outer force intensity when being greater than threshold value Fth, then judge that record terminal occurs abnormal.
Described urgent shooting controls submodule, according to the testing result of abnormality detection submodule, determines whether that controlling photographing module promptly makes a video recording.Concrete, when the testing result display record terminal of abnormality detection submodule occurs abnormal, shooting controls submodule and controls the first camera lens and the second camera lens carries out taking monitoring and the video image that shooting obtains is uploaded to host computer in real time.
Describedly upload control submodule, according to the testing result of abnormality detection submodule, really whether the vedio data stored in memory module is uploaded to host computer.Concrete, when the testing result display record terminal of abnormality detection submodule occurs abnormal, the vedio data in the time period of the moment T-T0 before the current time T stored in memory module to current time is uploaded to host computer.
Whether described encryption submodule, according to the testing result of abnormality detection submodule, be encrypted the vedio data stored in memory module really.Concrete, when the testing result display record terminal of abnormality detection submodule occurs abnormal, be encrypted by the vedio data stored in memory module, namely user must use the password preset just can check, edit and delete described vedio data.
The control module of described record terminal is obtained submodule, abnormality detection submodule, urgent shooting control submodule by described positional information acquisition submodule, external force strength information, is uploaded control submodule and encryption submodule, can realize the anti-theft feature recording terminal.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment can be realized by the hardware that program command is relevant, program can store in a computer-readable storage medium, and storage medium comprises RAM, ROM, flash memory, disk or CD etc.
Above content is only preferred embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (5)
1. prevent usurping an on-site law-enforcing record terminal, comprise photographing module, memory module, locating module, external force induction module and control module, wherein:
Photographing module comprises two external camera lenses, is respectively the first camera lens and the second camera lens, is taken environment by this first camera lens and the second camera lens;
Memory module, for storing the video image captured by photographing module;
Locating module, this locating module is used for positioning the fixed point of shooting, generates positional information;
External force induction module, this external force induction module, for responding to external impact, generates external force strength information;
Described control module comprises positional information acquisition submodule, external force strength information obtains submodule, abnormality detection submodule, promptly shooting control submodule, upload control submodule and encryption submodule, wherein,
Described positional information obtains submodule, for obtaining the current location information of record terminal from locating module;
Described external force strength information obtains submodule, for obtaining the current external force strength information of record terminal from external force induction module;
Described abnormality detection submodule, the positional information obtained according to positional information acquisition submodule and external force strength information obtain the external force strength information that submodule obtains, and judge whether record terminal occurs exception;
Described urgent shooting controls submodule, according to the testing result of abnormality detection submodule, determines whether that controlling photographing module promptly makes a video recording;
Describedly upload control submodule, according to the testing result of abnormality detection submodule, really whether the vedio data stored in memory module is uploaded to host computer;
Whether described encryption submodule, according to the testing result of abnormality detection submodule, be encrypted the vedio data stored in memory module really.
2. record terminal according to claim 1, it is characterized in that, described abnormality detection submodule, the positional information obtained according to positional information acquisition submodule and external force strength information obtain the external force strength information that submodule obtains, judge whether record terminal occurs exception, specifically comprise: when positional information display record terminal current location does not belong within the scope of the band of position of setting, or external force strength information shows current outer force intensity when being greater than threshold value Fth, then judge that record terminal occurs abnormal.
3. record terminal according to claim 1, it is characterized in that, described urgent shooting controls submodule, according to the testing result of abnormality detection submodule, determine whether that controlling photographing module promptly makes a video recording, specifically comprise: when the testing result display record terminal of abnormality detection submodule occurs abnormal, shooting controls submodule and controls the first camera lens and the second camera lens carries out taking monitoring and the video image that shooting obtains is uploaded to host computer in real time.
4. record terminal according to claim 1, it is characterized in that, describedly upload control submodule, according to the testing result of abnormality detection submodule, really whether the vedio data stored in memory module is uploaded to host computer, specifically comprise: when the testing result display record terminal of abnormality detection submodule occurs abnormal, the vedio data in the time period of the moment T-T0 before the current time T stored in memory module to current time is uploaded to host computer.
5. record terminal according to claim 1, it is characterized in that, described encryption submodule, according to the testing result of abnormality detection submodule, really whether the vedio data stored in memory module is encrypted, specifically comprise: when the testing result display record terminal of abnormality detection submodule occurs abnormal, be encrypted by the vedio data stored in memory module, namely user must use the password preset just can check, edit and delete described vedio data.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511002836.6A CN105578010A (en) | 2015-12-28 | 2015-12-28 | On-site law enforcement recording terminal for thievery prevention |
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| CN201511002836.6A CN105578010A (en) | 2015-12-28 | 2015-12-28 | On-site law enforcement recording terminal for thievery prevention |
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| CN201511002836.6A Pending CN105578010A (en) | 2015-12-28 | 2015-12-28 | On-site law enforcement recording terminal for thievery prevention |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113947863A (en) * | 2021-10-13 | 2022-01-18 | 上海翼枭航空科技有限公司 | Remote control method and system for unmanned aerial vehicle |
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