CN103731645A - Law enforcement and case handling system based on wireless video transmission technology - Google Patents
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Abstract
Description
Technical field
The present invention relates to Radio Transmission Technology, relate to specifically a kind of law enforcement system based on wireless video transmission technology.
Background technology
In 18 large and 18 Third Plenary Sessions along with party, build the proposition of " safety China ", " ruling by law China " national strategy, the in-depth reform of the judicial system, further lifting standardization Law enforcement capability and level of law enforcement become the vital task of the following 3-5 of national justice system, and the popularization of justice system " platform information, the digitlization of handling a case " is accelerated.By advanced IT technology is in the continuous application of justice system in recent years, justice system " digitlization, networking, intellectuality " construction degree improves constantly, this wherein " wisdom law enforcement " especially attract pay close attention to.
Multiple special projects such as " wisdom law enforcement " concept comprises that skill is detectd, figure detects, careful, large data processing is joined in query, information gathering, commander, wherein " wisdom commander ginseng is examined " is especially huge to the detection effect of major and serious criminal case.In " wisdom commander ginseng examine " work, multi-channel video comprehensively presents allows commander is home-confined just can " look carefully in all directions, have keen ears ": from query chamber, supervisory control system, long-rangely bring a prisoner before the court, prison is detectd, hunted to generalized information system, traffic block port, day net system, figure, net is supervised and the video information of multiple information sources such as broadcasting and TV will provide the information clue resource of unprecedented magnanimity for commander; Large scale high definition mosaic screen allows clear presenting of multichannel picture while become possibility.
But in the face of magnanimity video information, commander and law enforcement personnel worry most is exactly information overabundance, ramblingly pile up on large-size screen monitors, look for a needle in a haystack formula investigates clue, cause the handle a case waste of time and resource of preciousness.And justice system mostly is in the video source processing mode of using tradition " video wall " pattern that fixed mask shows fixed image at present, its switching controls mode mostly is the modes such as instructor in broadcasting's control desk, many computers or complicated button remote controller, need to be subject to technical staff's operation on duty of special training.
For this reason, a kind of selection that can make full use of existing IT technology, help law enforcement personnel quickness and high efficiency from multipath network video information source goes out useful clue, and selected information ordered arrangement is presented to large-size screen monitors, simultaneously by operation fool, hommization, realize multi-channel video presents this sophisticated functions in large scale high definition splicing screen display solution in multiple combination mode, become justice system law enforcement personnel's active demand.
Summary of the invention
In view of the defect of prior art existence, the object of the invention is to provide a kind of law enforcement system based on wireless video transmission technology, this system can realize multi-channel video and present in large scale high definition splicing screen display in multiple combination mode, improve selection speed, and then significantly promote law enforcement operating efficiency.
To achieve these goals, technical scheme of the present invention:
A law enforcement system based on wireless video transmission technology, comprises some mobile control terminals, Wireless Access Unit, network exchange unit, central control unit, decoding unit, Image Mosaics processing unit and display unit,
It is characterized in that: described mobile control terminal obtains the preview screen of all kinds of vision signals in law enforcement network by wireless video transmission technology, and described preview screen is presented on the display screen of described mobile control terminal, described mobile control terminal is by Wireless Access Unit interconnection network crosspoint simultaneously, and for realizing, user sets the input-output channel pairing of all kinds of vision signals in current network and the demonstration control operation of picture splicing scheme;
Described network exchange unit, for receiving all kinds of vision signals in current network, converts the discernible digital high-definition video signal of described Image Mosaics processing unit to by decoding unit, is sent to described Image Mosaics processing unit;
Described network exchange unit receives the demonstration control operation order of mobile control terminal by Wireless Access Unit simultaneously, by central control unit, described demonstration control operation order is carried out transferring to described Image Mosaics processing unit after identifying processing, be used for realizing described mobile control terminal take Image Mosaics processing unit as platform, the input-output channel pairing setting to current network Nei Ge road vision signal and the demonstration control processing of picture splicing scheme;
Described display unit is connected with Image Mosaics processing unit, for presenting in real time the selected current network vision signal input-output channel pairing scheme of mobile control terminal and the image display frame of picture splicing scheme.
Described mobile control terminal comprises gravity sensing module, screen display module, operation identification and control command processing module, wireless network communication module, video transcoding module and instruction editor module;
Described gravity sensing module is used for judging that current terminal equipment is in still perpendicular configuration state of horizontal state, and enters the default horizontal pattern of terminal or the perpendicular pattern of putting according to judged result triggering screen display module;
Described screen display module is for the judged result according to described gravity sensing module, by corresponding horizontal pattern or perpendicular put pattern graph of a correspondence human-computer interaction interface and be presented on the liquid crystal touch screen of terminal, if simultaneously terminal in horizontal pattern also for the vision signal of video transcoding module output is carried out to picture preview broadcasting at horizontal pattern figure human-computer interaction interface;
Described operation identification and control command processing module are for reading the operation of the liquid crystal touch screen of identification user to terminal, and the corresponding operation information of recording user: if terminal is in the perpendicular pattern of putting, this module reads the operation of the liquid crystal touch screen of identification user to terminal, and recording user is about the selected input of all kinds of vision signals in current network, output channel information, if terminal reads the operation of the liquid crystal touch screen of identification user to terminal in this module of horizontal pattern, vision signal input channel handover information selected user is communicated to wireless network communication module; User selectes after input channel by picture preview simultaneously, and this module reads user's operation information selected channel video signal and the Image Mosaics information of recording user;
Described instruction editor module, for according to the user's of described operation identification and control command processing module record operation information, generates the instruction set that described central control unit can be identified, and transfers to wireless network communication module to send to central control unit;
Described video transcoding module is transferred to screen display module after above-mentioned network video signal being converted for receiving the network video signal of wireless network communication module transmission to the coded format of terminal support;
Described wireless network communication module sends to central control unit for instruction editor module being generated to the instruction set that described central control unit can identify, for receiving described operation identification and control command processing module, read that under the horizontal pattern of identification, user is to the selected input channel handover information of the liquid crystal touch screen of terminal, the signal that gathers corresponding Internet video passage is transferred to video transcoding module simultaneously;
When gravity sensing module judges that current terminal equipment is in perpendicular configuration state, trigger current terminal equipment and enter the perpendicular pattern of putting, screen display module is presented to the perpendicular figure human-computer interaction interface of putting pattern on the liquid crystal touch screen of terminal, and by the operation that operation is identified and control command processing module reads the liquid crystal touch screen of identification user to terminal, recording user is about the selected input of all kinds of vision signals in current network, output channel information; In operation identification and control command processing module identification user, above-mentioned selected information is determined after configuration operation, instruction editor module is according to the user's of described operation identification and control command processing module record selected information, generate the instruction set that described central control unit can be identified, and transfer to wireless network communication module to send to central control unit, to realize the wireless remote control channel video signal pairing based on wireless video transmission technology;
When gravity sensing module judges that current terminal equipment is in horizontal state, trigger current terminal equipment and enter horizontal pattern, screen display module is presented to the figure human-computer interaction interface of horizontal pattern on liquid crystal touch screen, and by the operation that operation is identified and control command processing module reads the liquid crystal touch screen of identification user to terminal, input channel handover information selected user is communicated to wireless network communication module, and wireless network communication module gathers the signal of corresponding Internet video passage and is transferred to video transcoding module; The coded format of video transcoding module for becoming terminal to support network video stream format conversion, and the video signal transmission after conversion is arrived to screen display module, by screen display module, at horizontal pattern figure human-computer interaction interface, carry out picture preview broadcasting; User selectes after input channel by picture preview, and operation identification and control command processing module read user's operation information selected passage and the Image Mosaics information of recording user; When user completes, all passages are selected to be processed after operation with Image Mosaics, instruction editor module generates according to the user's of operation identification and control command processing module record selected information the instruction set that described central control unit can be identified, by wireless network communication module, send to described central control unit, with the remote control image splicing realizing based on wireless video transmission, process.
Described disparate networks vision signal comprises from the high definition IP vision signal of the H.264 coded format of the high definition IP vision signal of the H.264 coded format of the high definition IP vision signal of the H.264 coded format of the microcomputer in same local area network (LAN), query chamber, safety defense monitoring system, the high definition IP vision signal of long-range H.264 coded format of bringing a prisoner before the court system.
Described mobile control terminal operates control take panel computer or smart mobile phone as carrier.
Described wireless video transmission technology includes but are not limited to Airplay, Airplay Mirroring, Miracast, DLNA, IGRS, WiMO wireless video transmission technology.
Described decoding unit is some decoders, and described Wireless Access Unit is wireless router, and described network exchange unit is the network switch, and described Image Mosaics processing unit is Image Mosaics processor, and described display unit is high definition mosaic display screen.
Described decoding unit connects described Image Mosaics processing unit by DVI or HDMI connection cable.
Described system can be communicated by letter with the wireless network communication module of mobile control terminal by wireless video transmission technology, the photo of mobile control terminal self storage or the picture of in progress video are transferred to decoding unit, through decoding unit decoding and recompile along separate routes, change into the discernible high-definition video signal of described Image Mosaics processing unit, by display unit, carry out viewable pictures demonstration.
Compared with prior art, beneficial effect of the present invention:
The invention enables law enforcement personnel when carrying out multichannel real-time pictures to switch the operation that is presented to splicing large-size screen monitors, can not be subject to connection cable and display, the restriction of controller volume, compared with traditional many buttons remote controller or computer software control mode, man-machine interaction of the present invention visualize more, fool, pattern is abundanter, and pattern is switched only need be by horizontal terminal or perpendicular putting, given full play to panel computer series products Wireless Networking, wireless video transmission, high definition shows, multiple point touching, gravity sensing, frivolous portable advantage, improved greatly law enforcement personnel's operating efficiency, having equipment is easy to obtain, be simple and easy to use, convenient and reliable feature, be very suitable for extensively promoting in wisdom law enforcement system applies field, complete function, terminal module simple to operate design, and the terminal module relating in the present invention has abundant business function, can fully meet law enforcement personnel's business demand, simultaneously this terminal module sufficiently and reasonably panel computer multiple point touching, pull, the multiple control mode such as gravity sensing, make that man-machine interaction is more flexible, What You See Is What You Get, more humane, more fool, simple training can go up manual manipulation, law enforcement personnel can within the shortest time, select out positive information and clue is analyzed in instant combing, and law enforcement operating efficiency significantly promotes, fast wireless network access, the advantage that the present invention has given full play to WLAN (wireless local area network) high speed, stable, connectedness is good, can transmit high-definition video signal, law enforcement personnel are freed from traditional control desk, can move freely by handheld terminal, be convenient to the important information very first time shared, promote comfort level and the convenient degree of law enforcement work, improved law enforcement operating efficiency, the skilled utilization of mature technology, terminal, network exchange unit, decoding unit, figure involved in the present invention spells processing unit, large scale high definition spliced display unit etc. and is the mature technology of commercialization, related wireless video transmission technology comprises that Airplay, Miracast, DLNA etc. are the mature technologies of being used widely, fully adopt mature technology can guarantee that overall plan stable working state, operational efficiency are high, shortened greatly the R&D cycle, cost-saving input, also shortened the achievements conversion cycle, and significantly reduced popularization difficulty and promoted cost, compatible, portable good.The present invention fully uses matured product and technology, makes system be built modular, and the existing equipment of each functional module and justice system and platform all can be compatible adaptive, are convenient to rapid deployment.
Accompanying drawing explanation
Fig. 1 is the system architecture diagram of the embodiment of the present invention;
Fig. 2 is the schematic diagram in " the perpendicular pattern of putting " lower work in the present invention;
Fig. 3 is the schematic diagram in " horizontal pattern " lower work in the present invention;
Fig. 4 is that the module of mobile control terminal described in the present invention forms and workflow schematic diagram.
In figure: 201, the perpendicular pattern of putting, 202, horizontal pattern, 203, input channel signal source, 204, output channel single screen, 205, the perpendicular pattern of putting is default, 206, the perpendicular mode capabilities of putting, 207, the perpendicular mode decision of putting, 208, the perpendicular pattern of putting is cancelled, 209, horizontal pattern is default, 210, horizontal pattern is touched and is pulled, 211, horizontal pattern virtual graph is spelled district, 212, horizontal pattern preview screen, 213, horizontal pattern is switched, 214, horizontal pattern input, 215, horizontal pattern output, 216, horizontal pattern touches convergent-divergent, 217, horizontal pattern is cancelled, 218, horizontal pattern is confirmed.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, further illustrate technical scheme of the present invention:
As shown in Figure 1, the present invention mainly comprises some mobile control terminals, Wireless Access Unit, network exchange unit, central control unit, decoding unit, Image Mosaics processing unit and display unit, wherein mobile control terminal is take panel computer as controlling carrier, Wireless Access Unit adopts wireless router, network exchange unit Adoption Network switch, decoding unit adopts some decoders, Image Mosaics processing unit adopts Image Mosaics processor, display unit adopts large scale high definition mosaic display screen, the described network switch receives from microcomputer, query chamber, safety defense monitoring system, long-range other disparate networks video signal sources such as system of bringing a prisoner before the court, in view of Image Mosaics processor can only be identified the command signal from central control unit, the instruction of miscellaneous equipment must could be identified by Image Mosaics processor afterwards by central control unit " translation ", therefore central control unit is set is central control equipment, the said equipment is the matured product of commercialization simultaneously, shortened greatly the R&D cycle of the present invention, cost-saving input, also shortened the achievements conversion cycle, and significantly reduced popularization difficulty and promoted cost.
The present invention uses panel computer as mobile control terminal carrier, panel computer accesses the described network switch by described wireless router, to realize and described central control equipment, decoder, the microcomputer of access consolidated network switch, and query chamber, safety defense monitoring system, long-rangely bring a prisoner before the court other disparate networks video signal sources such as system interconnecting in same local area network (LAN).Panel computer obtains microcomputer, query chamber, safety defense monitoring system, the long-range preview screen of bringing a prisoner before the court other disparate networks video signal sources such as system in same local area network (LAN) by wireless video transmission technology, and by picture disply to the screen of panel computer, in order to subsequent operation; Simultaneously described panel computer by WLAN (wireless local area network) by selected passage be that input-output channel pairing setting scheme and picture splicing scheme command are to central control equipment, described central control equipment is communicated to Image Mosaics processor by above-mentioned instruction, to realize the demonstration control of panel computer to Image Mosaics processor.
Described decoder is by the microcomputer from same local area network (LAN), query chamber, safety defense monitoring system, long-range other disparate networks video signal sources such as system of bringing a prisoner before the court, through decoding along separate routes and recompile, change into the discernible high-definition video signal of described Image Mosaics processor, by DVI or HDMI connection cable, be transferred to Image Mosaics processor, by Image Mosaics processor, according to the selected passage of user is selected, processed with the instruction of picture splicing scheme, and final viewable pictures is presented to large scale high definition mosaic screen.
As shown in Figure 2, Figure 3, Figure 4, described panel computer comprises erecting puts pattern (201) and (202) two kinds of interactive modes of horizontal pattern, is respectively used to realize I/O channel and selectes and the preview of passage picture, two kinds of functions of picture free splicing; Described panel computer comprises gravity sensing module, screen display module, operation identification and control command processing module, wireless network communication module, video transcoding module and instruction editor module;
Described gravity sensing module is used for judging that current terminal equipment is in still perpendicular configuration state of horizontal state, and triggers according to judged result the default horizontal pattern of terminal or the perpendicular pattern of putting of entering;
When gravity sensing module judges that current terminal equipment is in perpendicular configuration state, trigger current terminal equipment and enter the perpendicular pattern of putting, screen display module is presented to the perpendicular figure human-computer interaction interface of putting pattern on the liquid crystal touch screen of terminal, and by the operation that operation is identified and control command processing module reads the liquid crystal touch screen of identification user to terminal, recording user is about the selected input of all kinds of vision signals in current network, output channel information; In operation identification and control command processing module identification user, determine after configuration operation, instruction editor module is according to the user's of described operation identification and control command processing module record selected information, generate the instruction set that described central control unit can be identified, and transfer to wireless network communication module to send to central control unit, to realize the wireless remote control video channel pairing based on wireless video transmission;
When gravity sensing module judges that current terminal equipment is in horizontal state, trigger current terminal equipment and enter horizontal pattern, screen display module is presented to the figure human-computer interaction interface of horizontal pattern on liquid crystal touch screen, and identify and control command processing module reads the operation of identification user to touch-screen by operation, by input channel handover information selected user, (this information is rolled to switch by [213] switching virtual key of figure human-computer interaction interface by user and is obtained, the passage at current place is presented at preview screen [212], user takes this passage whether judgement needs, to continue to roll to switch until user finds the passage needing) be communicated to wireless network communication module, wireless network communication module is according to the signal of above-mentioned information gathering corresponding network video channel and be transferred to video transcoding module, the coded format of video transcoding module for becoming terminal to support network video stream format conversion, and the video signal transmission after conversion is arrived to screen display module, preview screen window by screen display module in horizontal mode interface is play (under horizontal pattern, preview screen window [212] can be set on the figure human-computer interaction interface of the horizontal pattern of mobile terminal, video player in the similar embedded web page of its principle, be used for the real-time pictures pre-review information of the input channel that shows current selected, for the ease of rapid preview, this picture is the compressed preview screen after treatment of actual high definition picture, it not the definition of original picture, only do preview with reference to use, can effectively raise the efficiency like this), user selectes after input channel by picture preview, and operation identification and control command processing module read user's operation information selected passage and the scaled size to passage picture and the Image Mosaics positional information of recording user, when user completes after the selected and free image concatenation of all passages, instruction editor module generates according to the user's of operation identification and control command processing module record selected information the instruction set that described central control unit can be identified, and send to described central control unit by wireless network communication module, with the remote control image splicing realizing based on wireless video transmission, process.
Described panel computer comprises perpendicular put pattern (201) and (202) two kinds of interactive modes of horizontal pattern, (above-mentioned interface can be according to Fig. 2, Fig. 3 setting interface virtual key or window corresponding with terminal modules for showing the figure human-computer interaction interface of two kinds of patterns of default correspondence for panel computer screen, also can be according to actual user demand setting), be respectively used to realize the selected and passage picture preview of I/O channel, two kinds of functions of picture free image splicing.
Its concrete operations control procedure can be: as shown in Figure 2, described panel computer is perpendicular to be put pattern (201) and comprising: make panel computer (1) in perpendicular configuration state (gravity sensing module), can activate the perpendicular pattern (201) of putting on gravity direction; perpendicular put pattern (201) and include but are not limited to following function: law enforcement personnel can select respectively input channel signal source (203) and output channel single screen (204) at the perpendicular figure human-computer interaction interface of putting pattern (screen display module is presented to the perpendicular figure human-computer interaction interface of putting pattern on the liquid crystal touch screen of terminal and realizes) and carry out input-output pairing and (by operation, identified and control command processing module reads the operation of identifying the liquid crystal touch screen of user to terminal, recording user is about the selected input of all kinds of vision signals in current network, output channel information), (operation identification and control command processing module identification user determine configuration operation afterwards to touch definite (207), instruction editor module is according to described user's selected information, generate the instruction set that described central control unit can be identified, and transfer to wireless network communication module to send to), matched order can send to figure by central control unit and spell processor, after carrying out processing by it, picture in selected input channel signal source is presented on the selected screen of large scale high definition mosaic screen, realize and control function, law enforcement personnel can save as conventional presupposed solution by selected input-output pairing scheme by touching and keeping pinning default (205), and in follow-up use, default by touching (205) realize rapid configuration, law enforcement personnel can such as call the functions such as multiselect, single channel are full frame, multichannel single screen by touching function (206), law enforcement personnel can cancel previous selection by touching cancellation (208).
As shown in Figure 3, described horizontal pattern (202) comprising: make panel computer (1) in horizontal state (gravity sensing module), can activate horizontal pattern (202) on gravity direction; horizontal pattern (202) includes but are not limited to following function: law enforcement personnel are touched input (214) or exported (215) at the figure human-computer interaction interface (screen display module is presented to figure human-computer interaction interface on the liquid crystal touch screen of terminal) of horizontal pattern (202) the video source type of selecting to want preview by (being identified by operation identification and control command processing module), by touching and pin slide handover (213), in selected classification, switch fast each video source passage, when the network video signal of prepass can be sent to panel computer (1) by wireless video transmission technology (being wireless network communication module), its real-time pictures there will be in preview screen (212) window (coded format of video transcoding module for becoming terminal to support network video stream format conversion, and by conversion after bit stream to screen display module, preview screen window by screen display module in horizontal mode interface is play), law enforcement personnel are touched preview screen (212) and can be realized the effect of full-screen preview by double-click, when full-screen preview, touch picture return before window scheme, for selected preview screen, law enforcement personnel can spell district (211) to virtual graph and realize input-output channel and match fast by touching and pull (210) preview screen, virtual graph is spelled district (211) and is become mapping relations with large scale high definition mosaic screen (8), a picture of actual displayed on the corresponding mosaic screen of each segment in Tu Pin district, law enforcement personnel can freely adjust patterns locations by touching and pull (210), can by two fingers touch and deciliter mode realize the touch convergent-divergent (216) of single segment, to reach desirable figure, spell effect, law enforcement personnel can send to figure by the pairing of current input-output channel and figure spelling scheme by middle control (5) and spell processor by touching confirmation (218), after carrying out processing by it, picture in selected input channel signal source is presented on the selected screen of large scale high definition mosaic screen, realizes and control function, for the input-output channel pairing and the figure spelling scheme that set, law enforcement personnel can save as conventional presupposed solution by touching and keeping pinning default (209), and in follow-up use, default by touching (209) realize quick calling, law enforcement personnel can cancel previous selection by touching cancellation (217).
Described input-output channel pairing includes but are not limited to the pairing of single input channel and single output channel, also can realize the pairing of multiple input channels and single output channel, single input channel and multiple output channel, multiple input channel and multiple output channels, its passage pairing ability is spelled processor disposal ability to be no more than decoder and figure is as the criterion.
Described WLAN (wireless local area network) includes but are not limited to conventional IEEE802.11b/g/n standard, also comprises other available standards relating in IEEE802.11 protocol groups.
Described local area network (LAN) includes but are not limited to conventional IEEE802.3 standard, also comprises other available standards relating in IEEE802 protocol groups.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the present invention disclose technical scope in; according to technical scheme of the present invention and inventive concept thereof, be equal to replacement or changed, within all should being encompassed in protection scope of the present invention.
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| CN103986941A (en) * | 2014-05-28 | 2014-08-13 | 深圳市智英实业发展有限公司 | Wireless audio and video transmission system |
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| CN104254014B (en) * | 2014-09-25 | 2017-10-03 | 福建星网物联信息系统有限公司 | Wall collocation method and system on a kind of video of simulated television wall |
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| CN105847927B (en) * | 2016-05-09 | 2018-08-24 | 华东师范大学 | High-speed video wireless synchronization display device under multiple source multi-mode |
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| CN108494993A (en) * | 2018-02-11 | 2018-09-04 | 广州地铁设计研究院有限公司 | A kind of output device and method of monitoring information |
| CN110362259A (en) * | 2018-04-10 | 2019-10-22 | 北京仁光科技有限公司 | Command dispatching system, method, equipment and computer readable storage medium |
| CN108737690A (en) * | 2018-05-30 | 2018-11-02 | 湖北安心智能科技有限公司 | A kind of distributed collaboration interactive system and method |
| CN109343495A (en) * | 2018-11-14 | 2019-02-15 | 合肥市航嘉电子技术有限公司 | A kind of intelligent Home Appliance Controller based on big data analysis |
| CN111083379A (en) * | 2019-12-31 | 2020-04-28 | 维沃移动通信（杭州）有限公司 | Shooting method and electronic equipment |
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