CN2932873Y - Digital monitoring and control system - Google Patents
Digital monitoring and control system Download PDFInfo
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- CN2932873Y CN2932873Y CN 200520043922 CN200520043922U CN2932873Y CN 2932873 Y CN2932873 Y CN 2932873Y CN 200520043922 CN200520043922 CN 200520043922 CN 200520043922 U CN200520043922 U CN 200520043922U CN 2932873 Y CN2932873 Y CN 2932873Y
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Abstract
The utility model discloses a digital monitoring system comprising a monitoring device, an acoustic frequency and video frequency treatment and compression device, a memory device, a processor, a display device, an image detecting device and an alarm device. The utility model also discloses a network digital monitoring system, and said devices are connected with a network to realize communication between devices. The utility model can provide the digital images with high quality and save flexibly. The digital monitoring system has landing program which can limit random access and has good safety. The utility model combines the image analysis alarm function and other probe alarm function. The utility model also has network transport function.
Description
Technical field
The utility model relates to watch-dog, more particularly, relates to a kind of computer assisted digital monitor system.
Background technology
Supervisory control system is for security protection, there is important use in cracking of cases or the like field, and with regard to present application, supervisory control system generally can be divided into simulation monitoring system and digital monitor system, the former with analog signal as transmission signals, the latter with digital signal as processing signals.
The simulation monitoring system generally is made up of monitor, video tape recorder, coder-decoder, video converter, image segmentating device, matrix etc.More, the poor reliability of equipment.The recording mode that the simulation monitoring system adopts is an analog signal, and adopts monitor to show that tracer resolution is 300 lines, and image resolution ratio is lower.Traditional simulation monitoring system can not communicate or long-distance transmissions by network.And fail safe is relatively poor, and anyone can enter system and not noted down, and can not take precautions against internal staff's crime.Traditional simulation monitoring system is many owing to device category, complicated operation: need to open the power supply of each equipment, and after per unit parameter is set, can work.Simulation monitoring equipment utilization tape: magnetic tape recording, can only utilize the video tape recorder Pause key to check picture when the needs playback is retrieved, image quality is poor, and need expend advances and retreat on the comfortable video tape of a lot of times to search repeatedly determines image content constantly, it is big that a certain moment is retrieved difficulty, and contingency is strong.And the content after reporting to the police under after system alarm, can only recording.
In order to overcome the deficiency that the simulation monitoring system exists, a kind of digital TV monitor system has in the past few years appearred, and with the integrated realization on computers of various processing unit, equipment is succinct, the reliability height.Digital monitor system has higher picture quality and better resolution, and easy and simple to handle, fail safe is good, can also pass through Network Transmission, is a kind of cost performance height, reliable supervisory control system.
The utility model content
The purpose of this utility model provides a kind of new Digital supervisory control system.
According to one side of the present utility model, a kind of digital monitor system is provided, comprising: several monitoring arrangements, gather audio-video signal; One audio frequency and video are handled and compression set, link to each other with described several monitoring arrangements, receive audio frequency, vision signal that monitoring arrangement is gathered; One memory is handled with described audio frequency and video and compression set links to each other, and preserves through described audio frequency and video compression and processing unit and handles and the audio/video flow of generation; One processor links to each other with described memory with described audio frequency and video processing and compression set, is used for the compression of described audio frequency and video and processing unit handled and the audio/video flow that produces is saved in described memory; One display unit shows in the audio-video signal of being gathered by several monitoring arrangements one or several; One image arrangement for detecting, link to each other with described audio frequency and video processing and compression set, described memory and described processor, analyze described vision signal of gathering, when described vision signal satisfies a predefined alarming threshold value, produce soft alarm signal by monitoring arrangement; One warning processing unit, link to each other with described image arrangement for detecting, described audio frequency and video processing and compression set, described memory and described processor, receive the soft alarm signal that described image arrangement for detecting produces, control described processor the formation audio/video flow after described audio frequency and video processing and compression set processing of the audio-video signal in a period of time is saved on the described memory.
According to an embodiment of the present utility model, described several monitoring arrangements are the camera that is installed on the The Cloud Terrace, and described camera can be gathered audio frequency and vision signal and can move and rotate with described The Cloud Terrace.
According to an embodiment of the present utility model, described image arrangement for detecting is set alarming threshold value according to the mobile severe degree of vision signal: in the pixel difference of anchor-frame interval inner analysis two sampling frames, calculate the percentage of whole pixel differences, this numerical value is compared with default sensitivity threshold values, if the former is bigger than the latter, the moving ratio of key diagram image drift has surpassed threshold values, and then described image arrangement for detecting sends a soft alarm signal.
According to an embodiment of the present utility model, described system also comprises alarm probe, described alarm probe links to each other with described warning processing unit, described alarm probe produces hard alarm signal, after described warning processing unit receives hard alarm signal, control described processor the formation audio/video flow after described audio frequency and video processing and compression set processing of the audio-video signal in a period of time is saved on the described memory.
According to an embodiment of the present utility model, described system also comprises a buffer, described buffer and described image arrangement for detecting, described audio frequency and video are handled and compression set, described memory, described processor links to each other with warning processing unit of living in, described processor forms audio/video flow with current audio-video signal and is saved on the described buffer after described audio frequency and video processing and compression set processing, when described warning device is received soft or during hard alarm signal, it is controlled described processor current all audio/video flows that are kept on the described buffer are saved on the described memory.
According to an embodiment of the present utility model, described display unit highlights the audio-video signal that the user selectes, when described warning device is received soft or during hard alarm signal, described display unit shows the audio-video signal relevant with this alarm signal.
According to an embodiment of the present utility model, in the described digital monitor system, described audio frequency and video processing and compression set, described memory, described processor, described display unit, described image arrangement for detecting, warning processing unit of living in and described buffer be all by a computer realization, wherein, described audio frequency and video processing and compression set are that an audio frequency and video compressing card, described memory are that hard disk, described processor are CPU; Described image arrangement for detecting, described warning processing unit are realized by the CPU executive program; Described display unit is the display of computer; Described buffer is the buffer memory of computer.
According to an embodiment of the present utility model, described digital monitor system is connected to a Writing device, the audio/video flow that is kept on the described memory can be burnt on the non-volatile memory medium; Described digital monitor system also comprises a network communication device, described audio-video signal or audio/video flow after treatment can be passed through Network Transmission.
According to an embodiment of the present utility model, described digital monitor system has landing program, only preestablishes the user with specified permission and password and just can land the described digital monitor system of use.
According to a further aspect in the invention, also provide a kind of digital monitor system of networking, comprising: several monitoring arrangements, gather audio-video signal; One or several audio frequency and video processing and compression sets receive audio frequency, vision signal that monitoring arrangement is gathered; One or several memories are preserved through described audio frequency and video compression and processing unit and are handled and the audio/video flow of generation; One or several processors are used for the compression of described audio frequency and video and processing unit handled and the audio/video flow that produces is saved in described memory; One or several display unit show in the audio-video signal of being gathered by several monitoring arrangements one or several; One or several image arrangement for detecting are analyzed described vision signal of being gathered by monitoring arrangement, when described vision signal satisfies a predefined alarming threshold value, produce soft alarm signal; One or several warning processing unit, receive the soft alarm signal that described image arrangement for detecting produces, control described processor the formation audio/video flow after described audio frequency and video processing and compression set processing of the audio-video signal in a period of time is saved on the described memory; Wherein, each above-mentioned device all comprises a network communication equipment and is connected on the network, by the mutual communication between above-mentioned each device of described network realization.
Adopt the technical solution of the utility model, high-quality digital picture picture can be provided, and can preserve neatly, digital monitor system of the present utility model has landing program, can limit personnel's random visit, has good fail safe.Digital monitor system of the present utility model combines analysis image warning function and other probe warning function.Digital monitor system of the present utility model also has the function of Network Transmission.
Description of drawings
The above and other feature of the utility model, character and advantage will further describe below in conjunction with the accompanying drawings and embodiments, and identical in the accompanying drawings Reference numeral is represented identical feature all the time, wherein,
Fig. 1 is the structured flowchart according to the digital monitor system of an embodiment of the present utility model;
Fig. 2 is the operation interface figure according to the digital monitor system of an embodiment of the present utility model.
Fig. 3 is the operation interface schematic diagram that carries out imprinting according to the digital monitor system of an embodiment of the present utility model.
Embodiment
Further specify the technical solution of the utility model below in conjunction with drawings and Examples.
At first with reference to figure 1, the block diagram that it shows according to an embodiment 100 of digital monitor system of the present utility model comprises:
One audio frequency and video are handled and compression set 104, link to each other with several monitoring arrangements 102, receive audio frequency, vision signal that monitoring arrangement is gathered.Among the embodiment that is integrated in computer system that will describe in detail in the back, audio frequency and video of the present utility model are handled and compression set 104 is realized by an audio frequency and video compressing card.
One memory 106 is handled with audio frequency and video and compression set 104 links to each other, and preserves through audio frequency and video compression and processing unit and handles and the audio/video flow of generation.Among the embodiment that is integrated in computer system that will describe in detail in the back, memory 106 of the present utility model is realized by hard disk.
One processor 108 is handled with audio frequency and video and compression set 104 links to each other with described memory 106, is used for audio frequency and video compression and processing unit 104 are handled and the audio/video flow of generation is saved in memory 106.Among the embodiment that is integrated in computer system that will describe in detail in the back, the utility model processor 108 is realized by the CPU of computer.
One display unit 110 shows in the audio-video signal of being gathered by several monitoring arrangements one or several, and among the embodiment that is integrated in computer system that will describe in detail in the back, display unit 110 of the present utility model is realized by the display of computer.
One image arrangement for detecting 112 is handled with audio frequency and video and compression set 104, memory 106 and processor 108 link to each other, and analyzes the vision signal of being gathered by monitoring arrangement, when vision signal satisfies a predefined alarming threshold value, produces soft alarm signal.According to an embodiment of the present utility model, image arrangement for detecting 112 is set alarming threshold value according to the mobile severe degree of vision signal: in the pixel difference of anchor-frame interval inner analysis two sampling frames, calculate the percentage of whole pixel differences, this numerical value is compared with default sensitivity threshold values, if the former is bigger than the latter, the moving ratio of key diagram image drift has surpassed threshold values, and then described image arrangement for detecting sends a soft alarm signal.
One warning processing unit 114, link to each other with image arrangement for detecting 112, audio frequency and video processing and compression set 104, memory 106 and processor 108, receive the soft alarm signal that image arrangement for detecting 112 produces, processor controls 108 forms audio/video flow with the audio-video signal in a period of time and is saved on the memory 106 after audio frequency and video processing and compression set 104 processing.Among the embodiment that is integrated in computer system that will describe in detail in the back, image arrangement for detecting 112 of the present utility model and warning processing unit 114 are realized by the CPU executive program.
Continuation is with reference to figure 1, also comprise alarm probe 116 in the digital monitor system shown in Figure 1, alarm probe 116 links to each other with warning processing unit 114, alarm probe 116 produces hard alarm signal, after warning processing unit 114 received hard alarm signal, processor controls 108 formed audio/video flow with the audio-video signal in a period of time and is saved on the memory 106 after audio frequency and video processing and compression set 104 processing.Generally, use alarm probe 116 detectings to be used in warning sensitivity than higher non-software detecting environment.Used probe includes but not limited to: infrared, cigarette sense, humidity, sound.Digital monitor system of the present utility model is supported the detecting of multi-to-multi probe.
System shown in Figure 1 also comprises a buffer 118, buffer 118 handles with image arrangement for detecting 112, audio frequency and video and compression set 104, memory 106, processor 108 and warning processing unit 114 link to each other, processor 108 forms audio/video flow with current audio-video signal and is saved on the buffer 118 after audio frequency and video processing and compression set 104 processing, when warning device 112 is received soft or during hard alarm signal, its processor controls 108 is saved in current all audio/video flows that are kept on the buffer 118 on 106 memories.Can realize reservation thus to signal in the certain hour before reporting to the police.
According to embodiment of the present utility model, display unit 110 highlights the audio-video signal that the user selectes, when warning device 114 is received soft or during hard alarm signal, display unit 110 shows the audio-video signal relevant with this alarm signal.This can describe in detail in the back.
According to embodiment of the present utility model, digital monitor system 100 can also be connected to a Writing device 120, the audio/video flow that is kept on the memory 106 can be burnt on the non-volatile memory medium, and the process of imprinting can be with reference to the detailed description of back.
Another important improvement of the present utility model is that this kind digital monitor system 100 also comprises a network communication device 122, audio-video signal or audio/video flow after treatment can be passed through Network Transmission.Perhaps, each parts of the present utility model can be distributed on the network, constitute a kind of digital monitor system of networking: a kind of digital monitor system of networking comprises: several monitoring arrangements, gather audio-video signal; One or several audio frequency and video processing and compression sets receive audio frequency, vision signal that monitoring arrangement is gathered; One or several memories are preserved through audio frequency and video compression and processing unit and are handled and the audio/video flow of generation; One or several processors are used for audio frequency and video compressions and processing unit handled and the audio/video flow that produces is saved in described memory; One or several display unit show in the audio-video signal of being gathered by several monitoring arrangements one or several; One or several image arrangement for detecting are analyzed described vision signal of being gathered by monitoring arrangement, when vision signal satisfies a predefined alarming threshold value, produce soft alarm signal; One or several warning processing unit receive the soft alarm signal that the image arrangement for detecting produces, and processor controls forms audio/video flow with the audio-video signal in a period of time and is saved on the memory after described audio frequency and video processing and compression set processing; Wherein, each above-mentioned device all comprises a network communication equipment and is connected on the network, by the mutual communication between above-mentioned each device of network realization.
Digital monitor system of the present utility model has landing program, only preestablishes the user with specified permission and password and just can land the use digital monitor system, and this will be described in conjunction with following specific embodiment.
Introduce a preferred embodiment of the present utility model below, wherein the critical piece of digital monitor system all is integrated on the computer and realizes, comprising: audio frequency and video are handled and compression set is that an audio frequency and video compressing card, memory are that hard disk, processor are CPU; Image arrangement for detecting, warning processing unit are realized by the CPU executive program; Display unit is the display of computer; Buffer is the buffer memory of computer.
For the ease of description afterwards, at first some terms are carried out following definition:
Passage a: input of audio frequency and video compressing card.Usually, corresponding passage of camera;
Preview: refer to that vision signal enters compressing card from camera, after analog-to-digital conversion, directly deliver to the display buffer of display, on indicator screen, show.It is preview consume system resources (mainly being the resource of CPU) significantly.In the real-time video preview, monitor the sound of a certain passage, be called the sound live preview.
Video recording: refer to that vision signal enters compressing card from camera, after analog-to-digital conversion, compress processing (in native system, being the MPEG4 compression standard), be converted into the very little multimedia data stream of volume and write hard disk, form multimedia file according to the specific compression standard.This wherein, it is many more that consumption of natural resource is handled in complicated compression, at present, this part work is all finished dealing with by compressing card, can not consume the system resource of main frame.Still finished by main frame and data flow is write disk, when desired video recording quality was high more, the data that write hard disk in the unit interval were just many more, and the system resource that is consumed is just many more.To be exactly above-mentioned processor with audio frequency and video compression and processing unit handle video process and the audio/video flow that produces is saved in the process on the memory.
Work as prepass: when the user at certain passage preview region a mouse click left button, then this preview region shows a highlighted housing, the expression selected state, simultaneously, its corresponding digital button presents highlighted state.The user also can select a certain passage by clicking digital button.Like this, can guarantee the accuracy of the passage that the user is operated.Its effect is as follows: when opening the sound live preview, monitoring sound automatically switches to works as prepass; Determine behind prepass, more accurate when its video recording or warning operating state are set.
Auto state: after the user rationally is provided with automatic video recording (warning) worksheet, open automatic switch, make system works in auto state, then system carries out the action detection automatically, in the particular job period, carry out work according to the worksheet setting fully, do not need manual intervention.Make system be in auto state work.
Software detecting: claim mobile detection again.Refer to rely on the mobile severe degree of detected image to judge whether to report to the police.Finger is in the pixel difference of anchor-frame interval inner analysis two sampling frames, calculate the percentage of whole pixel differences, the sensitivity (threshold values) that this numerical value and software is default is compared, if the former is bigger than the latter, the moving ratio of key diagram image drift has surpassed threshold values, and then system sends an alarm signal; The work that this part is very big to resource consumption is finished fully by compressing card, can not have influence on the main frame operational efficiency.This process is above-mentioned image arrangement for detecting is set alarming threshold value according to the mobile severe degree of vision signal a process
Probe detecting: claim hardware detection again.Finish the warning task by alarm probe and alarm card.Typical case's practice is: software detection is opened the buzzer sounding immediately to alarm signal.Generally, the probe detecting is used in warning sensitivity than higher non-software detecting environment.Used probe comprises: infrared, cigarette sense, humidity, sound etc.; Native system supports the detecting of multi-to-multi probe to be provided with.This process is the process that above-mentioned alarm probe produces hard alarm signal.
Pre-video recording: the term that is used to detect.The finger system be kept at alarm signal arrive constantly before the video recording data of certain hour, cooperates with the video recording of reporting to the police, be convenient to the user sight of the front and back of reporting to the police analyzed.In order to realize recording a video in advance function, digital monitor system of the present utility model is provided with buffer, processor forms audio/video flow with current audio-video signal and is saved on the buffer after audio frequency and video processing and compression set processing, when warning device is received soft or during hard alarm signal, its processor controls is saved in current all audio/video flows that are kept on the buffer on the memory.Can realize reservation thus to signal in the certain hour before reporting to the police.
Report to the police and record a video: when referring to that alarm signal is come, system records a video immediately, on-the-spot sight under the detail record; Levy each alarm signal, native system keeps video recording 2-4 minute of reporting to the police, if during the video recording of reporting to the police, there is another time alarm signal to arrive, the video recording of then reporting to the police prolongs 2-4 minute again, by that analogy, does not have alarm signal to arrive once more within 2-4 minute, system will finish the video recording of reporting to the police, and transfer the detecting state to.The video recording of reporting to the police is above-mentioned, when warning device is received soft or hard alarm signal processor controls will current audio-video signal through audio frequency and video handle and compression set handle after the formation audio/video flow be saved in process on the memory.
Grab frame: comprise that frame is grabbed in preview and two kinds of frames are grabbed in playback.Preview is grabbed frame and is meant under preview state, the width of cloth picture under preserving in the special modality preview screen.Playback is grabbed frame and is meant under the playing back videos state, preserves the width of cloth picture in the picture of recording a video down.
Playback: the user finds corresponding video file and plays it by specific search condition; Under the condition of not having the support of decoding card, 16 playback zones are opened in the native system support at most simultaneously.
In this kind embodiment of the present utility model, adopt the audio frequency and video compressing card to realize the collection and the compression function of audio frequency and video.For example, adopting and looking the audio collection card is COIN_DS4004M MPEG4, or the H type compresses integrated circuit board firmly, looks audio compression and finishes on integrated circuit board fully.Compare with the MPEG1 product, its resources occupation rate reduces 70%, has improved the stability of a system greatly.Thus, each channel image of system of the present utility model can be compressed simultaneously, video recording and preview, and the highest 16 road video/audio signals of supporting are gathered simultaneously.The multi-channel audio that audio collection is corresponding with video pictures equivalent is gathered simultaneously, and it is synchronous fully to look audio frequency.
Adopt the video recording that completely circulates of many hard disks inventory among this embodiment.If the user is forbidden or removed a certain physical disk, the data of recording a video on this disk are just ignored in the reflection in system, and will never cause system crash.
Effect adjustment for captured image, under the prerequisite of default video recording quality, the basis signal complexity, its video file is between 30M～220M/ hour, change under the little situation at monitored picture, about the about 80M/ of document size hour, can adjust video recording effect and preview effect as required.Equal quality, the video file size of equal duration is about 1/3～4 of MPEG1 product.Equally, can the stochastic retrieval video file in playing back videos, alert files, warning record a video in advance file, the frame file is grabbed in preview and the frame file is grabbed in playback.Support putting soon in the playback, put slowly, amplify, dwindle, speed change, grab frame, number frames etc.
For simple operation, this embodiment provides a kind of operation interface easily 200, as shown in Figure 2, operation interface is divided into the video viewing area 202 that is positioned at the picture upper left, is positioned at the operation controlled area 204 of picture left side shape as a remote controller, specifically comprise video source selective, Combination Control district, Yun Tai camera lens controlled area, and information display area 206.
Video viewing area 202 can 16 pictures, 9 pictures, 4 pictures, 1 picture are arranged the image information of the current collection of display system.Use the left mouse button two point in the picture of being concerned about, can make this picture be amplified to full video area, two point then returns again.Whenever can make the viewing area be covered with full screen at viewing area a mouse click right button, a mouse click right button returns again.Selected image-region can be with highlighted demonstration.
Operation controlled area 204 comprises three main region: the audio frequency and video source select controlled area 204a, Combination Control district 204b, The Cloud Terrace camera lens controlled area 204c.The audio frequency and video source is selected controlled area 204a to be mainly used in current audio frequency and video source channels to switch, and selected passage can highlighted demonstration, for example is that " 1 " is selected at present, this zone also comprise stop, open, single channel report to the police stop, single channel is reported to the police and is opened, alarm operation.Combination Control district 204b is mainly used in system operational parameters setting, automatic video recording, preview image and grabs frame, playing back videos, video record complete shut-down, xerox.The Cloud Terrace camera lens controlled area 204c, can to The Cloud Terrace camera lens control, comprise becoming doubly: pin left button and become big, right button diminishes, and unclamps and closes; Zoom: pin left button and become near, it is far away that right button becomes, and unclamps and close; Aperture: pin left button and become big, right button diminishes, and unclamps and closes; Rain brush: click and open or the Shutdown Hosts rain brush; Automatically: it is automatic to click unlatching or Shutdown Hosts; Light: click and open or Shutdown Hosts light.
In order to improve the safety in utilization of system, digital monitor system of the present utility model is provided with the program that the user lands, and can log in the system after having only the predetermined user with specified permission by password authentification and operate.System can be provided with a power user and land interpolation or revise the user.Have only the power user to add, revise the user, optional direct shutdown or fall back on desktop when closing main program.The working procedure and the operator can only start shooting will shut down when closing main program automatically, can not fall back on desktop.During system start-up, be in the lock state immediately, this moment, the user can use a certain specific usernames release, system insists that the user who tests by the user for the last time is the active user, when unless the active user carries out a certain operation that does not possess authority, system just can point out and input user name and password, thereby decision is to change active user or undo.
The utility model is at special units such as kindergarten, school for learning disabilities, nursing homes, can the monitor data of monitored object (comprise audio-visual, picture etc.) be offered its legal guardian with the form of VCD, SVCD, DVD by additional recording device, to recognize children under guardianship's active situation on any common video disc player of convenient control guardian in its family.Save computer and checked the loaded down with trivial details of the inconvenience of data and computation.Digital monitor system of the present utility model provides imprinting operation interface easily, as shown in Figure 3, is a step in its operating procedure.According to embodiment of the present utility model, the user can select to need to make the type of image and sound optical disk, for example, need to make a VCD CD, then at first selecting disc kind is " CD ", selects " editing new CD " to select the form of CD again, for example select " other disk formats ", the content of CD is edited afterwards, the edited image that is picture shown in Figure 3 can drag to the data that is stored in the hard disk in the selected VCD CD again.According to embodiment of the present utility model, can be stored in the different files from the audio, video data of different passages, for example, the data of using 1,2,3,4 four file to represent four cameras (can expand to 16) to be monitored.After having finished The selection of data and having propped up, just can begin imprinting, selected data is burnt on the CD.
Digital monitor system of the present utility model also provides a network communication device native system, allow by Network Transmission audio-video signal and control command, utilize network transmission function of the present utility model can pass through telecommunication network (local area network (LAN), wide area network) real-time Transmission video recording audio-video signal.According to different same communication lines, its transmission frame per second is adjustable.The transmission of supporting telephone line, according to the image complexity, about 6～8 frame/seconds; Usually, when connecting band was wider than 33.6kbps, client can connect main frame 4 passages simultaneously.Can transmit 25 frames/second total quality video/audio signal on expansion DDN256kbps circuit, can transmit two passages, 25 frames/second total quality video/audio signal on ADSL, network delay is in 1 second.Digital monitor system of the present utility model has very fast network startup speed, and occurring preview screen from client user's manual operations application reception video/audio signal to client only needs 0.5 second.
The utility model also provides a kind of digital monitor system of networking, several monitoring arrangements, one or several audio frequency and video processing and compression set, one or several memories, one or several processors, one or several display unit, one or several image arrangement for detecting, one or several warning processing unit are connected on the network, thereby realize that by network the mutual communication between above-mentioned each device forms a kind of digital monitor system of networking.
Usually, defined the server and client side in the digital monitor system of networking, the subscriber management function of client is simple relatively, client function is set, this client just is set is connected with the passage of which server, its video recording data are preserved in which file etc.As for taking which kind of mode to connect (local area network (LAN) mode, telephone wire mode, wide band system), be in being provided with of server end, to determine.Because what server and client were taked is the multi-to-multi connected mode, the a certain passage of levying server may have a lot of clients to connect simultaneously, and a passage of server can only provide data for client with a kind of fixing way of output when work, can't provide multi-form connection for a plurality of clients simultaneously, so server end is when determining each channel network connected mode, should fully understand client's present situation, weigh the advantages and disadvantages, select a best connected mode.For example: the passage 1 existing connection of server from internal lan, have again from the broadband connection on the wide area network of inter-network section, levy this situation, because the local area network (LAN) connected mode can't be passed through gateway smoothly, this passage can only be arranged to broadband connection mode or telephone wire mode, but it is very undesirable that the telephone wire mode connects the picture quality of acquisition, may be optimal selection so be arranged to the broadband connection mode at last.
With regard to the whole network system, constitute by server host, client, the server that wherein arbitrary client all can be used as other clients uses.Server host is the data source header of the whole network system, directly provides audio-video signal for client.Usually, be one the audio frequency and video compressing card has been installed, the main frame of true(-)running native system server software.The direct client that links to each other with server host.The server that arbitrary client can be used as other clients simultaneously uses, for other clients provide audio-video signal.
The network connection mode of the passage that main frame need connect can be set as local area network (LAN) pattern or broadband mode (networking broad) or telephone wire pattern (can only or only want to the bandwidth of each client's channel allocation near telephone line by the telephone wire connection).
Adopt the technical solution of the utility model, high-quality digital picture picture can be provided, and can preserve neatly, digital monitor system of the present utility model has landing program, can limit personnel's random visit, has good fail safe.Digital monitor system of the present utility model combines analysis image warning function and other probe warning function.Digital monitor system of the present utility model also has the function of Network Transmission.
The foregoing description provides to being familiar with the person in the art and realizes or use of the present utility model; those skilled in the art can be under the situation that does not break away from invention thought of the present utility model; the foregoing description is made various modifications or variation; thereby protection range of the present utility model do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (10)
1. a digital monitor system is characterized in that, comprising:
Several monitoring arrangements are gathered audio-video signal;
One audio frequency and video are handled and compression set, link to each other with described several monitoring arrangements, receive audio frequency, vision signal that monitoring arrangement is gathered;
One memory is handled with described audio frequency and video and compression set links to each other, and preserves through described audio frequency and video compression and processing unit and handles and the audio/video flow of generation;
One processor links to each other with described memory with described audio frequency and video processing and compression set, is used for the compression of described audio frequency and video and processing unit handled and the audio/video flow that produces is saved in described memory;
One display unit shows in the audio-video signal of being gathered by several monitoring arrangements one or several;
One image arrangement for detecting, link to each other with described audio frequency and video processing and compression set, described memory and described processor, analyze described vision signal of gathering, when described vision signal satisfies a predefined alarming threshold value, produce soft alarm signal by monitoring arrangement;
One warning processing unit, link to each other with described image arrangement for detecting, described audio frequency and video processing and compression set, described memory and described processor, receive the soft alarm signal that described image arrangement for detecting produces, control described processor the formation audio/video flow after described audio frequency and video processing and compression set processing of the audio-video signal in a period of time is saved on the described memory.
2. digital monitor system as claimed in claim 1 is characterized in that, described several monitoring arrangements are the camera that is installed on the The Cloud Terrace, and described camera can be gathered audio frequency and vision signal and can move and rotate with described The Cloud Terrace.
3. digital monitor system as claimed in claim 1, it is characterized in that, described image arrangement for detecting is set alarming threshold value according to the mobile severe degree of vision signal: in the pixel difference of anchor-frame interval inner analysis two sampling frames, calculate the percentage of whole pixel differences, this numerical value is compared with default sensitivity threshold values, if the former is bigger than the latter, the moving ratio of key diagram image drift has surpassed threshold values, and then described image arrangement for detecting sends a soft alarm signal.
4. digital monitor system as claimed in claim 1, it is characterized in that, described system also comprises alarm probe, described alarm probe links to each other with described warning processing unit, described alarm probe produces hard alarm signal, after described warning processing unit receives hard alarm signal, control described processor the formation audio/video flow after described audio frequency and video processing and compression set processing of the audio-video signal in a period of time is saved on the described memory.
5. digital monitor system as claimed in claim 1, it is characterized in that, described system also comprises a buffer, described buffer and described image arrangement for detecting, described audio frequency and video are handled and compression set, described memory, described processor links to each other with warning processing unit of living in, described processor forms audio/video flow with current audio-video signal and is saved on the described buffer after described audio frequency and video processing and compression set processing, when described warning device is received soft or during hard alarm signal, it is controlled described processor current all audio/video flows that are kept on the described buffer are saved on the described memory.
6. digital monitor system as claimed in claim 1, it is characterized in that, described display unit highlights the audio-video signal that the user selectes, when described warning device is received soft or during hard alarm signal, described display unit shows the audio-video signal relevant with this alarm signal.
7. as each described digital monitor system among the claim 1-6, it is characterized in that, in the described digital monitor system, described audio frequency and video processing and compression set, described memory, described processor, described display unit, described image arrangement for detecting, warning processing unit of living in and described buffer be all by a computer realization, wherein
Described audio frequency and video are handled and compression set is that an audio frequency and video compressing card, described memory are that hard disk, described processor are CPU; Described image arrangement for detecting, described warning processing unit are realized by the CPU executive program; Described display unit is the display of computer; Described buffer is the buffer memory of computer.
8. digital monitor system as claimed in claim 7 is characterized in that,
Described digital monitor system is connected to a Writing device, the audio/video flow that is kept on the described memory can be burnt on the non-volatile memory medium;
Described digital monitor system also comprises a network communication device, described audio-video signal or audio/video flow after treatment can be passed through Network Transmission.
9. digital monitor system as claimed in claim 7 is characterized in that described digital monitor system has landing program, only preestablishes the user with specified permission and password and just can land the described digital monitor system of use.
10. the digital monitor system of a networking is characterized in that, comprising:
Several monitoring arrangements are gathered audio-video signal;
One or several audio frequency and video processing and compression sets receive audio frequency, vision signal that monitoring arrangement is gathered;
One or several memories are preserved through described audio frequency and video compression and processing unit and are handled and the audio/video flow of generation;
One or several processors are used for the compression of described audio frequency and video and processing unit handled and the audio/video flow that produces is saved in described memory;
One or several display unit show in the audio-video signal of being gathered by several monitoring arrangements one or several;
One or several image arrangement for detecting are analyzed described vision signal of being gathered by monitoring arrangement, when described vision signal satisfies a predefined alarming threshold value, produce soft alarm signal;
One or several warning processing unit, receive the soft alarm signal that described image arrangement for detecting produces, control described processor the formation audio/video flow after described audio frequency and video processing and compression set processing of the audio-video signal in a period of time is saved on the described memory;
Wherein, each above-mentioned device all comprises a network communication equipment and is connected on the network, by the mutual communication between above-mentioned each device of described network realization.
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| CN 200520043922 CN2932873Y (en) | 2005-07-29 | 2005-07-29 | Digital monitoring and control system |
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| CN 200520043922 CN2932873Y (en) | 2005-07-29 | 2005-07-29 | Digital monitoring and control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102186013A (en) * | 2011-03-18 | 2011-09-14 | 杭州海康威视数字技术股份有限公司 | Network monitoring equipment and pre-snapping method based on same |
| CN102833511A (en) * | 2012-09-18 | 2012-12-19 | 浙江红苹果电子有限公司 | Method and device for storing high-definition videos based on serial digital interface (SDI) |
| CN104349119A (en) * | 2013-07-24 | 2015-02-11 | 浙江大华技术股份有限公司 | Monitoring video recording method and device |
| CN104408109A (en) * | 2014-11-24 | 2015-03-11 | 深圳市华宝电子科技有限公司 | Alarm video recording method and device |
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| CN104902181A (en) * | 2015-05-27 | 2015-09-09 | 北京航天控制仪器研究所 | Remote broadcast level video camera high-definition lens control method |
| US10110857B2 (en) | 2014-05-26 | 2018-10-23 | Beijing Sinonet Science & Technology Co., Ltd. | Intelligent monitoring device and method |
| CN109547842A (en) * | 2018-12-24 | 2019-03-29 | 苏州蜗牛数字科技股份有限公司 | A kind of screen recording and processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102186013A (en) * | 2011-03-18 | 2011-09-14 | 杭州海康威视数字技术股份有限公司 | Network monitoring equipment and pre-snapping method based on same |
| CN102833511A (en) * | 2012-09-18 | 2012-12-19 | 浙江红苹果电子有限公司 | Method and device for storing high-definition videos based on serial digital interface (SDI) |
| CN104349119A (en) * | 2013-07-24 | 2015-02-11 | 浙江大华技术股份有限公司 | Monitoring video recording method and device |
| US10110857B2 (en) | 2014-05-26 | 2018-10-23 | Beijing Sinonet Science & Technology Co., Ltd. | Intelligent monitoring device and method |
| CN104408109A (en) * | 2014-11-24 | 2015-03-11 | 深圳市华宝电子科技有限公司 | Alarm video recording method and device |
| CN104408109B (en) * | 2014-11-24 | 2018-11-06 | 深圳市华宝电子科技有限公司 | Alarm video recording method for recording and device |
| CN104581074A (en) * | 2015-01-13 | 2015-04-29 | 北京市公安局警卫局 | Photoelectric detection device for detecting opening-closing state of window |
| CN104902181A (en) * | 2015-05-27 | 2015-09-09 | 北京航天控制仪器研究所 | Remote broadcast level video camera high-definition lens control method |
| CN104902181B (en) * | 2015-05-27 | 2016-06-29 | 北京航天控制仪器研究所 | A kind of remote broadcast level video camera high definition lens control method |
| CN109547842A (en) * | 2018-12-24 | 2019-03-29 | 苏州蜗牛数字科技股份有限公司 | A kind of screen recording and processing method |
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