CN101883141A - Information uploading method, retrieval method, DVR and monitoring equipment - Google Patents
Information uploading method, retrieval method, DVR and monitoring equipment Download PDFInfo
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Abstract
The invention discloses an information uploading method, a retrieval method, a DVR and monitoring equipment. The information uploading method comprises the following steps that: the DVR receives an image grabbing command; the DVR grabs images with the preset quantity according to the image grabbing command, wherein the images include picture data and picture information which are correlated through image attributes; the grabbed images are stored in a memory, and are uploaded to the monitoring equipment; and the monitoring equipment stores the picture data through a picture data server, and the picture information is stored through a picture information server. The DVR of the invention can trigger and grab a plurality of images in each time according to the preset quantity, and the definition probability of the grabbed images can be improved; and because the grabbed images are transmitted to the monitoring equipment by the DVR and are also stored in the local memory at the same time, when the network has a fault, the grabbed images can be uploaded after the fault is recovered because the grabbed images are stored in the local memory, and the invention ensures no occurrence of blind monitoring regions of the monitoring equipment.
Description
Technical field
The application relates to technical field of video monitoring, relates in particular to a kind of information uploading method, search method, DVR (Digital Video Recorder, digital hard disc video recorder) and watch-dog.
Background technology
DVR equipment is to use the watch-dog of data hard disk recording audio, video data, and it has functions such as the picture of candid photograph, playing back videos, storage, and it is mainly used in the video monitoring place.For example, the Internet bar is monitored, mobile big because the personnel of Internet bar are numerous and diverse, therefore can monitor in real time as inlet, cashier, online zone etc. by the key area of DVR equipment to the Internet bar is installed.
Still with the internet bar monitoring example, DVR in the prior art in the Internet bar triggers when user card punching and captures image function, capture a pictures, then DVR by with Surveillance center between network be connected and will capture image uploading to monitoring central server, by monitoring central server this candid photograph image is preserved, so that later retrieval and analysis are used.
The inventor finds in the research process to prior art, only can capture an image by the each triggering of DVR equipment, is difficult to guarantee the definition of the image of capturing, and has reduced the quality monitoring of follow-up remote monitoring center; And since DVR in real time with the image uploading of being captured to remote monitoring center, when network condition was relatively poor, then picture was difficult to transmit to remote monitoring center, especially in the suspension time when longer, the blind area will appear monitoring in remote monitoring center.
Summary of the invention
The purpose of the embodiment of the present application provides a kind of information uploading method, search method, DVR and watch-dog, only can upload an image of being captured in the prior art to solve at every turn, and under the suspension situation, be difficult to upload image, the problem that causes the remote monitoring center quality monitoring to descend.
For solving the problems of the technologies described above, the embodiment of the present application provides following technical scheme:
A kind of information uploading method comprises:
DVR receives image grabbing command;
DVR grasps and the predetermined number uniform images according to described image grabbing command, and described image comprises image data and pictorial information, and described image data and described pictorial information are associated by image attributes;
The image of described extracting is kept in the internal memory, and the image uploading of described extracting is arrived watch-dog;
Described watch-dog is preserved described image data by the image data server, and preserves described pictorial information by the pictorial information server.
A kind of information retrieval method is used for the information that the aforementioned information method for uploading is uploaded is retrieved, and comprising:
Watch-dog receives the search condition of image, comprises image attributes in the described search condition;
From the pictorial information server, obtain the pictorial information consistent according to described search condition with described search condition;
Image attributes according to the described pictorial information that obtains obtains the image data that is associated with described image attributes from the image data server.
A kind of DVR comprises:
Receiving element is used to receive image grabbing command;
The grabgraf unit is used for grasping and the predetermined number uniform images according to described image grabbing command;
Preserve the unit, be used for the image of described extracting is kept at internal memory;
Uploading unit is used for the image uploading of described extracting is arrived watch-dog.
A kind of watch-dog is used for the image that aforementioned DVR uploads is stored and retrieved, and comprising:
Memory cell, be used for preserving the image data of the image that described DVR uploads by the image data server, and preserve the pictorial information of the image that described DVR uploads by the pictorial information server, be associated by image attributes between described image data and the pictorial information;
Receiving element is used to receive the search condition of image, comprises image attributes in the described search condition;
Acquiring unit, be used for obtaining the pictorial information consistent from the pictorial information server, and from the image data server, obtain the image data that is associated with described image attributes according to the image attributes of the described pictorial information that obtains with described search condition according to described search condition.
As seen, DVR receives image grabbing command in the embodiment of the present application, when grasping with the predetermined number uniform images according to image grabbing command, the image that grasps is kept in the internal memory, and with the image uploading that grasps to watch-dog, watch-dog is preserved the image data of image by the image data server, and preserves the pictorial information of image by the pictorial information server; When watch-dog receives the search condition of image, from the pictorial information server, obtain the pictorial information consistent, and from the image data server, obtain the image data that is associated with the image attributes of pictorial information with search condition.In the embodiment of the present application, DVR can trigger according to predetermined number at every turn and capture many images, has improved the definition probability of capturing image, can provide quality higher monitoring image to watch-dog thus; Owing to when DVR will capture image and be sent to watch-dog, also be kept in the local internal memory, so when network breaks down, because the candid photograph image has been preserved in this locality, therefore can after fault recovery, upload again, guarantee that the blind area can not appear monitoring in watch-dog, improve quality monitoring; And, because the mode that watch-dog is preserved respectively according to image data and pictorial information image according to the quadratic search of pictorial information to image data, can improve retrieval rate.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, the accompanying drawing that describes below only is some embodiment that put down in writing among the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the first embodiment flow chart of the application's information uploading method;
Fig. 2 is the second embodiment flow chart of the application's information uploading method;
Fig. 3 is the embodiment flow chart of the application's information retrieval method;
Fig. 4 is for using the system configuration schematic diagram that the application's information uploading method and information retrieval method embodiment monitor the Internet bar;
Fig. 5 is the embodiment block diagram of the application's information uploading searching system;
Fig. 6 is the first embodiment block diagram of the application DVR;
Fig. 7 is the second embodiment block diagram of the application DVR;
Fig. 8 is the first embodiment block diagram of the application's watch-dog;
Fig. 9 is the second embodiment block diagram of the application's watch-dog.
Embodiment
The embodiment of the present application provides a kind of information uploading method, search method, DVR and watch-dog.
In order to make those skilled in the art person understand technical scheme in the embodiment of the present application better, and the above-mentioned purpose of the embodiment of the present application, feature and advantage can be become apparent more, below in conjunction with accompanying drawing technical scheme in the embodiment of the present application is described in further detail.
Referring to Fig. 1, be the first embodiment flow chart of the application based on the information uploading method of DVR:
Step 101:DVR receives image grabbing command.
Wherein, DVR comprised before receiving image grabbing command: DVR receives the identity information of card reader transmission, and this identity information is used to trigger DVR and receives image grabbing command; Or be moved when detecting when DVR monitors certain video channel, trigger DVR and receive image grabbing command; Or when the user sends image grabbing command by client, trigger DVR and receive image grabbing command.
Step 102:DVR grasps and the predetermined number uniform images according to described image grabbing command, and this image comprises image data and pictorial information, and image data and pictorial information are associated by image attributes.
If after receiving image grabbing command, DVR only grasps an image, then may be owing to capture contingency constantly, feasible clap not fogging clear of adorning, therefore can set in advance the quantity of candid photograph in the embodiment of the present application, for example capture continuously three times, capture the also corresponding probability that has picture rich in detail in the image of capturing that increased that increases of quantity.
Step 103: the image that grasps is kept in the internal memory, and the image uploading that grasps is arrived watch-dog.
The embodiment of the present application DVR will be when will capturing image and uploading to watch-dog by network in real time, also will capture image is kept in the internal memory simultaneously, can guarantee like this when network failure, still preserve the image of candid photograph among the DVR, treat to continue again to upload behind the network recovery, guarantee that the blind area can not appear monitoring in watch-dog; Further, because the memory space of internal memory is limited, can also in DVR, dispose hard disk, when will capturing image and being kept at internal memory, also be saved in hard disk, be filled with and emptied when memory headroom like this, and network failure is not when also recovering, can guarantee to preserve all candid photograph images in the hard disk of DVR.
Step 104: watch-dog is preserved image data by the image data server, and preserves pictorial information by the pictorial information server.
The image data server is used to preserve the image of candid photograph itself, the pictorial information server is used to preserve the relevant information of the image of candid photograph, can find image data according to pictorial information for follow-up, for same candid photograph image, at least one image attributes of the pictorial information of this image of in the pictorial information server, preserving, be associated with at least one image attributes of the image data of this image of preserving in the image data server, be that image attributes can uniquely be determined this candid photograph image, for example, according to candid photograph in proper order by the unique identifying number that distributes of candid photograph image.
Referring to Fig. 2, be the second embodiment flow chart of the application based on the information uploading method of DVR, in DVR, further be provided with local hard drive among this embodiment:
Step 201:DVR receives image grabbing command.
Wherein, DVR comprised before receiving image grabbing command: DVR receives the identity information of card reader transmission, and this identity information is used to trigger DVR and receives image grabbing command; Or be moved when detecting when DVR monitors certain video channel, trigger DVR and receive image grabbing command; Or when the user sends image grabbing command by client, trigger DVR and receive image grabbing command.
Step 202:DVR grasps and the predetermined number uniform images according to image grabbing command.
If after receiving image grabbing command, DVR only grasps an image, then may be owing to capture contingency constantly, feasible clap not fogging clear of adorning, therefore can set in advance the quantity of candid photograph in the embodiment of the present application, for example capture continuously three times, capture the also corresponding probability that has picture rich in detail in the image of capturing that increased that increases of quantity.Wherein, image comprises image data and pictorial information, and image data and pictorial information are associated by image attributes.
Step 203: whether the quantity of judging the image of having preserved in the internal memory reaches threshold value, if then execution in step 204; Otherwise, execution in step 205.
Because the memory space of internal memory is limited, therefore can pre-estimate the quantity of the image that this memory size can store, and a threshold value is set according to the quantity of estimating, prevent internal memory because memory space completely causes storing the image of candid photograph again.
Step 204: remove the image in the internal memory.
When the quantity of the image of preserving in the internal memory reaches threshold value, then remove the image in the internal memory, assurance can be stored the image of follow-up candid photograph.
Step 205: the image that grasps is kept in the internal memory, and the local hard drive that is kept at DVR.
Also be kept at local hard drive when being kept at the image of capturing in the internal memory, after preventing emptying internal memory, the image that is emptied still has backup in DVR this locality, guarantees that watch-dog can at any time obtain all and capture image.
Wherein, consistent with the image of in local hard drive, preserving in internal memory, the image data of image and the pictorial information of image have been comprised, image data is the image content of being captured itself, pictorial information comprises the attribute information of the picture of being captured, be specifically as follows candid photograph time, image identification,, then can also comprise user's name, identification card number etc. if that capture is specific user.
Further, if comprise the video camera of capturing the panorama environment in the some video cameras that link to each other with DVR, and the video camera that is used to capture specific user's close-up shot, then the image of candid photograph user feature and pictorial information thereof can also be superimposed upon in the current panoramic picture and preserve.
Step 206: judge whether DVR is connected with network between the watch-dog normal, if then execution in step 207; Otherwise, finish current flow process.
Step 207: with the image uploading of preserving in the internal memory and in the hard disk to watch-dog.
When the image of not uploading is arranged in the internal memory, the image data of the image do not uploaded is uploaded to the image data server of watch-dog, and the pictorial information of image is uploaded to the pictorial information server of described watch-dog; When the image do not uploaded in the internal memory, the image data of the image do not uploaded in the local hard drive is uploaded to the image data server of watch-dog, and the pictorial information of image is uploaded to the pictorial information server of watch-dog.
Step 208: watch-dog is preserved the image data of image by the image data server, and preserves the pictorial information of image by the pictorial information server.
After application the foregoing description can be implemented in network disaster recovery, image data between age at failure and pictorial information are uploaded to watch-dog, guarantee that the image during the network failure still can normally be monitored; And, because for the picture number of storing in the internal memory is provided with the upper limit, if the picture that produces between age at failure surpasses DVR removing in time in limited time on this, and after fault recovery, can from the DVR local hard drive, obtain these images and be uploaded to watch-dog again, therefore both guarantee the stable of the speed of service of DVR and system, realized uploading again of picture after the fault recovery again.
Referring to Fig. 3, be the embodiment flow chart of the application's information retrieval method, the embodiment of the application's information retrieval method retrieves the image that aforementioned information method for uploading embodiment is uploaded:
Step 301: watch-dog receives the search condition of image, comprises image attributes in the search condition.
Watch-dog has been preserved the image data of the image that all DVR upload by the image data server, and preserved the pictorial information of the image that all DVR upload by the pictorial information server, have the image attributes that is associated between the image data of each image and the pictorial information.
Step 302: from the pictorial information server, obtain the pictorial information consistent with search condition according to search condition.
Can comprise at least one following information in the search condition that is sent: the candid photograph time of image, image identification if that candid photograph is specific user, then can also comprise user's name, identification card number, online card number.
Each bar pictorial information of preserving in the pictorial information server all comprises the certain attributes value of image, according to these image attributes of the information searching that comprises in the search condition, extracts searching consistent pictorial information.
Step 303: the image attributes according to the pictorial information that obtains obtains the image data that is associated with the image attributes of pictorial information from the image data server.
Owing to preserved the image attributes of image content and picture that can unique this image content of identification in the image data server, therefore mate according to the image attributes of the pictorial information that is extracted and the image attributes of the image data in the image data server, the image data that coupling is consistent extracts, and returns to the terminal that sends search condition.
Further, after execution of step 302, can also comprise:
Step 304: the pictorial information that obtains is sent to the DVR that links to each other with watch-dog.
Except aforementioned watch-dog is finished retrieval, for having preserved the local DVR that captures image simultaneously, also pictorial information can be sent to these DVR, these DVR are except being that index preserve to be captured the image according to pictorial information, also may preserve the video information relevant with this candid photograph image, therefore after pictorial information being sent to DVR, also can from DVR, obtain image data and relevant video information, further can also realize the preview of video or carry out speech talkback etc.
Step 305: receive the image data that is associated with described pictorial information that DVR uploads.
Referring to Fig. 4, for using the system configuration schematic diagram that the application's information uploading method and information retrieval method embodiment monitor the Internet bar:
Surveillance center comprises an ordinary PC as watch-dog, image data server that links to each other with this watch-dog and pictorial information server; The some video cameras 1 that a DVR is set in the Internet bar, link to each other with this DVR are to video camera n (n is a natural number), these video cameras can be provided with as required, comprise the video camera of taking Internet bar's panorama, capture the video camera of the facial feature of porch Internet user etc., RS-232 (a kind of serial ports) card reader that directly links to each other with DVR, in addition, when be provided with PC that DVR links to each other after, the USB card reader can also be linked to each other with PC, upload Internet user's identity information by PC to DVR.
The transmission direction of arrow representative data wherein interconnects by cable between the solid arrow indication equipment among Fig. 4, connects by Ethernet (local area network (LAN) or internet) between the dotted arrow indication equipment.Hence one can see that, need be connected PC and the DVR by cable with video camera except card reader among Fig. 4, and other communication between devices only need a netting twine just can finish.
When certain user enters the Internet bar, the user can pass through the RS-232 card reader, perhaps the USB card reader is brushed identity card or the card of surfing Internet of oneself, and this swipes the card action in the identity information that has obtained the user, can also trigger DVR captures this Internet user according to predetermined number facial close-up image; After the candid photograph, DVR is kept at internal memory and local hard drive with the pictorial information and the image data of image, when network just often, the pictorial information order is uploaded to the pictorial information server, and the image data order is uploaded to the image data server.Follow-up, the PC of Surveillance center can be analyzed by searching the candid photograph image that pictorial information database and image data server obtain the targeted customer who enters this Internet bar, and the PC of Surveillance center also can be searched candid photograph image, video of targeted customer etc. in the DVR in addition.PC in the Internet bar also can be from the image of inquiry specific objective user in the DVR.Above-mentioned all capture, upload and the process of retrieving images consistent with the description of previous embodiment, do not repeat them here.
Corresponding with the embodiment of the application's information uploading method and information retrieval method, the application also provides the embodiment of information uploading searching system, DVR and watch-dog.
Referring to Fig. 5, be the embodiment block diagram of the application's information uploading searching system:
This system comprises: comprise the Surveillance center 510 of watch-dog 511, and the some DVR520 that link to each other with described watch-dog 511, convenient for example, only show a DVR among Fig. 5.
This system is when carrying out upload function, described DVR520, be used to receive image grabbing command, grasp and the predetermined number uniform images according to described image grabbing command, described image comprises image data and pictorial information, described image data and described pictorial information are associated by image attributes, the image of described extracting be kept in the internal memory, and with the image uploading of the described extracting watch-dog 511 to Surveillance center 510;
Described watch-dog 511 is used for preserving by the image data server image data of described image, and preserves the pictorial information of described image by the pictorial information server.
Further, described DVR520 also is used for the image of described extracting is kept at the local hard drive of described DVR520.
This system is when carrying out search function, described watch-dog 511, be used to receive the search condition of image, comprise image attributes in the described search condition, from the pictorial information server, obtain the pictorial information consistent according to described search condition, and from the image data server, obtain the image data that is associated with described image attributes according to the image attributes of the described pictorial information that obtains with described search condition.
Further, described watch-dog 511 also is used for the described pictorial information that obtains is sent to described some DVR520; Described DVR520 also is used for uploading the image data that is associated with described pictorial information to described watch-dog 511.
Referring to Fig. 6, be the first embodiment block diagram of the application DVR:
This DVR comprises: receiving element 610, grabgraf unit 620, preservation unit 630 and uploading unit 640.
Wherein, receiving element 610 is used to receive image grabbing command;
Uploading unit 640 is used for the image uploading of described extracting is arrived watch-dog.
Referring to Fig. 7, be the second embodiment block diagram of the application DVR:
This DVR comprises: receiving element 710, grabgraf unit 720, judging unit 730, performance element 740, preservation unit 750 and uploading unit 760.
Wherein, receiving element 710 is used to receive image grabbing command;
Judging unit 730, whether the quantity of the image that is used for judging that described internal memory has been preserved reaches threshold value;
Judging unit 730 is used to also to judge whether normal described DVR is connected with network between the described watch-dog;
Uploading unit 760 is used for the image uploading of described extracting is arrived watch-dog.
Concrete, when in the described internal memory image of not uploading being arranged, described uploading unit 760 is uploaded to the image data server of described watch-dog with the image data of the described image of not uploading, and the pictorial information of described image is uploaded to the pictorial information server of described watch-dog; When the image do not uploaded in the described internal memory, described uploading unit 760 is uploaded to the image data server of described watch-dog with the image data of the image do not uploaded in the described local hard drive, and the pictorial information of described image is uploaded to the pictorial information server of described watch-dog.
Referring to Fig. 8, be the first embodiment block diagram of the application's watch-dog:
This watch-dog comprises: memory cell 810, receiving element 820 and acquiring unit 830.
Wherein, memory cell 810, be used for preserving the image data of the image that described DVR uploads, and preserve the pictorial information of the image that described DVR uploads, be associated by image attributes between described image data and the pictorial information by the pictorial information server by the image data server;
Receiving element 820 is used to receive the search condition of image, comprises image attributes in the described search condition;
Acquiring unit 830, be used for obtaining the pictorial information consistent from the pictorial information server, and from the image data server, obtain the image data that is associated with described image attributes according to the image attributes of the described pictorial information that obtains with described search condition according to described search condition.
Referring to Fig. 9, be the second embodiment block diagram of the application's watch-dog:
This watch-dog comprises: memory cell 910, receiving element 920, transmitting element 930 and acquiring unit 940.
Wherein, memory cell 910, be used for preserving the image data of the image that described DVR uploads, and preserve the pictorial information of the image that described DVR uploads, be associated by image attributes between described image data and the pictorial information by the pictorial information server by the image data server;
Receiving element 920 is used to receive the search condition of image, comprises image attributes in the described search condition;
Transmitting element 930 is used for the described pictorial information that obtains is sent to described DVR;
Described receiving element 920 also is used to receive the image data that is associated with described pictorial information that described DVR uploads;
Acquiring unit 940, be used for obtaining the pictorial information consistent from the pictorial information server, and from the image data server, obtain the image data that is associated with described image attributes according to the image attributes of the described pictorial information that obtains with described search condition according to described search condition.
As seen through the above description of the embodiments, DVR receives image grabbing command in the embodiment of the present application, when grasping with the predetermined number uniform images according to image grabbing command, the image that grasps is kept in the internal memory, and with the image uploading that grasps to watch-dog, watch-dog is preserved the image data of image by the image data server, and preserves the pictorial information of image by the pictorial information server; When watch-dog receives the search condition of image, from the pictorial information server, obtain the pictorial information consistent, and from the image data server, obtain the image data that is associated with the image attributes of pictorial information with search condition.In the embodiment of the present application, DVR can trigger according to predetermined number at every turn and capture many images, has improved the definition probability of capturing image, can provide quality higher monitoring image to watch-dog thus; Owing to when DVR will capture image and be sent to watch-dog, also be kept in the local internal memory, so when network breaks down, because the candid photograph image has been preserved in this locality, therefore can after fault recovery, upload again, guarantee that the blind area can not appear monitoring in watch-dog, improve quality monitoring; And, because the mode that watch-dog is preserved respectively according to image data and pictorial information image according to the quadratic search of pictorial information to image data, can improve retrieval rate.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the application and can realize by the mode that software adds essential general hardware platform.Based on such understanding, the part that the application's technical scheme contributes to prior art in essence in other words can embody with the form of software product, this computer software product can be stored in the storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the application or embodiment.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and identical similar part is mutually referring to getting final product between each embodiment, and each embodiment stresses all is difference with other embodiment.Especially, for system embodiment, because it is substantially similar in appearance to method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
The application can be used in numerous general or special purpose computingasystem environment or the configuration.For example: personal computer, server computer, handheld device or portable set, plate equipment, multicomputer system, the system based on microprocessor, set top box, programmable consumer-elcetronics devices, network PC, minicom, mainframe computer, comprise distributed computing environment (DCE) of above any system or equipment or the like.
The application can describe in the general context of the computer executable instructions of being carried out by computer, for example program module.Usually, program module comprises the routine carrying out particular task or realize particular abstract, program, object, assembly, data structure or the like.Also can in distributed computing environment (DCE), put into practice the application, in these distributed computing environment (DCE), by by communication network connected teleprocessing equipment execute the task.In distributed computing environment (DCE), program module can be arranged in the local and remote computer-readable storage medium that comprises memory device.
Though described the application by embodiment, those of ordinary skills know, the application has many distortion and variation and the spirit that do not break away from the application, wish that appended claim comprises these distortion and variation and the spirit that do not break away from the application.
Claims (15)
1. an information uploading method is characterized in that, comprising:
DVR receives image grabbing command;
DVR grasps and the predetermined number uniform images according to described image grabbing command, and described image comprises image data and pictorial information, and described image data and described pictorial information are associated by image attributes;
The image of described extracting is kept in the internal memory, and the image uploading of described extracting is arrived watch-dog;
Described watch-dog is preserved described image data by the image data server, and preserves described pictorial information by the pictorial information server.
2. method according to claim 1 is characterized in that, described DVR comprises before receiving image grabbing command:
Described DVR receives the identity information of card reader transmission, and described identity information is used to trigger described DVR and receives image grabbing command; Or
Be moved when detecting when described DVR monitors certain video channel, trigger described DVR and receive image grabbing command; Or
When the user sends image grabbing command by client, trigger described DVR and receive image grabbing command.
3. method according to claim 1 is characterized in that, when described image with described extracting is kept in the internal memory, also comprises: the local hard drive that the image of described extracting is kept at described DVR.
4. method according to claim 3 is characterized in that, described image with extracting also comprises before being kept in the internal memory:
Whether the quantity of judging the image of having preserved in the described internal memory reaches threshold value;
When reaching described threshold value, remove the image in the described internal memory, and carry out and described the image that grasps is kept at step in the internal memory; When not reaching described threshold value, carry out described the image that grasps is kept at step in the internal memory.
5. according to any described method of claim 1 to 4, it is characterized in that described image with extracting also comprises after being kept in the internal memory:
Judge whether normal described DVR is connected with network between the described watch-dog;
If normal, then carry out the step that the image uploading of described extracting is arrived watch-dog; If undesired, then finish current flow process.
6. method according to claim 3 is characterized in that, described image uploading with extracting comprises to watch-dog:
When in the described internal memory image of not uploading being arranged, the image data of the described image of not uploading is uploaded to the image data server of described watch-dog, and the pictorial information of described image is uploaded to the pictorial information server of described watch-dog;
When the image do not uploaded in the described internal memory, the image data of the image do not uploaded in the described local hard drive is uploaded to the image data server of described watch-dog, and the pictorial information of described image is uploaded to the pictorial information server of described watch-dog.
7. an information retrieval method is characterized in that, is used for the information that information uploading method as claimed in claim 1 is uploaded is retrieved, and comprising:
Watch-dog receives the search condition of image, comprises image attributes in the described search condition;
From the pictorial information server, obtain the pictorial information consistent according to described search condition with described search condition;
Image attributes according to the described pictorial information that obtains obtains the image data that is associated with described image attributes from the image data server.
8. method according to claim 7 is characterized in that, also comprises:
The described pictorial information that obtains is sent to the DVR that links to each other with described watch-dog;
Receive the image data that is associated with described pictorial information that described DVR uploads.
9. method according to claim 7 is characterized in that, the property value in the described search condition comprises at least one following information: the candid photograph time of image, image identification, user's name, identification card number, online card number.
10. a DVR is characterized in that, comprising:
Receiving element is used to receive image grabbing command;
The grabgraf unit is used for grasping and the predetermined number uniform images according to described image grabbing command;
Preserve the unit, be used for the image of described extracting is kept at internal memory;
Uploading unit is used for the image uploading of described extracting is arrived watch-dog.
11. DVR according to claim 10 is characterized in that, described preservation unit also is used for the image of described extracting is kept at the local hard drive of described DVR.
12. DVR according to claim 11 is characterized in that, also comprises:
Judging unit, whether the quantity of the image that is used for judging that described internal memory has been preserved reaches threshold value;
Performance element is used for removing the image in the described internal memory when described judgment unit judges reaches described threshold value, and triggers the function of described preservation unit, when described judgment unit judges does not reach described threshold value, triggers the function of described preservation unit.
13. DVR according to claim 12 is characterized in that, described judging unit is used to also to judge whether normal described DVR is connected with network between the described watch-dog;
Described performance element also is used for connecting just often when described judgment unit judges, triggers the function of described uploading unit, when described judgment unit judges malunion often, finish current flow process.
14. a watch-dog is characterized in that, is used for the image that DVR as claimed in claim 13 uploads is stored and retrieved, and comprising:
Memory cell, be used for preserving the image data of the image that described DVR uploads by the image data server, and preserve the pictorial information of the image that described DVR uploads by the pictorial information server, be associated by image attributes between described image data and the pictorial information;
Receiving element is used to receive the search condition of image, comprises image attributes in the described search condition;
Acquiring unit, be used for obtaining the pictorial information consistent from the pictorial information server, and from the image data server, obtain the image data that is associated with described image attributes according to the image attributes of the described pictorial information that obtains with described search condition according to described search condition.
15. watch-dog according to claim 14 is characterized in that, also comprises:
Transmitting element is used for the described pictorial information that obtains is sent to described DVR;
Described receiving element also is used to receive the image data that is associated with described pictorial information that described DVR uploads.
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