CN102082947A - Method, system and apparatus for video monitoring - Google Patents
Method, system and apparatus for video monitoring Download PDFInfo
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- CN102082947A CN102082947A CN 200910238583 CN200910238583A CN102082947A CN 102082947 A CN102082947 A CN 102082947A CN 200910238583 CN200910238583 CN 200910238583 CN 200910238583 A CN200910238583 A CN 200910238583A CN 102082947 A CN102082947 A CN 102082947A
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Abstract
The embodiment of the invention discloses a method, a system and an apparatus for video monitoring, wherein the method comprises the steps: receiving a video code stream sent by a video acquisition terminal; judging whether video enhancement is performed on the video code stream according to network downlink bandwidth and a node level of the video acquisition terminal; judging that when the video enhancement is performed on the video code stream, the video enhancement is performed and the video-enhanced video code stream is sent to a video monitoring monitor through a monitoring server; and otherwise, directly sending the video code stream to the video monitoring terminal through the monitoring server. According to the invention, low resolution acquisition and high resolution output are implemented depending on the characteristic of adjustable ratio of TD-SCDMA (time division-synchronous code division multiple access) uplink and downlink time slots, thereby improving the definition of video acquisition and avoiding the problem that the TD-SCDMA network hardly bears a large number of video businesses.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method, system and equipment of video monitoring.
Background technology
Video monitoring system is according to certain specific application target and application conditions, is controlled the system that is formed by video acquisition, Video processing, video transmission, video management and video.System makes administrative staff can observe all active situation in front end guarded region line item of going forward side by side, and real-time dynamic image data is provided.Based on TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, TD SDMA) network video monitor and control system, utilize the TD-SCDMA wireless network to carry out video transmission, make video monitoring system have mobility, and the transmission range that has solved traditional supervisory control system is far away inadequately, can't remote monitoring etc. problem.
Based on the wireless digital video monitoring system of TD-SCDMA, as shown in Figure 1, video monitoring system can be divided into four functional modules: video acquisition terminal, monitoring server end, transmission network and video monitoring terminal in the prior art.The video acquisition terminal sends to monitoring server with the video of gathering, monitoring server plays a part scheduling placed in the middle in this system, it not only authenticates video acquisition terminal and video monitoring terminal, and the video acquisition terminal is monitored, and realizes the given transmission of video code flow.Should between watch-dog and monitoring server, carry out wireless connections based on the wireless digital video monitoring system of TD-SCDMA, have high moving and flexibility with the TD-SCDMA network.
In realizing process of the present invention, the inventor finds prior art, and there are the following problems at least:
The TD-SCDMA network is as a mobile network, and under the more situation of cell terminal user, its bandwidth is comparatively limited, so the TD-SCDMA network is difficult to support a large amount of video traffics.If the user adopts the video acquisition terminal of low resolution to increase watch-dog in video monitoring system and inserts quantity, that user can not obtain a high-resolution monitor video at the video decode display end, thereby reduce the video acquisition definition and failed to make full use of TD-SCDMA uplink and downlink timeslot proportioning advantage flexibly.
Summary of the invention
Embodiments of the invention provide a kind of method, system and equipment of video monitoring, are used to utilize the adjustable characteristic of TD-SCDMA uplink and downlink timeslot ratio to realize the output of low resolution collection high-resolution, have improved the definition of video acquisition.
Embodiments of the invention provide a kind of method of video monitoring, comprising:
The video code flow that the receiver, video acquisition terminal sends;
Node grade according to network downlink bandwidth and described video acquisition terminal judges whether that described video code flow is carried out video to be strengthened;
When judgement is carried out the video enhancing to described video code flow, carry out the video enhancement process and described processed video code stream is sent to the video monitoring terminal through monitoring server; Otherwise, directly described video code flow is sent to described video monitoring terminal through described monitoring server.
Wherein, before the video code flow that described receiver, video acquisition terminal sends, comprising: the node grade of described video acquisition terminal is set, and the described node grade of described video acquisition terminal that is provided with is for to be divided into two classes according to the node important level at least with node; The described node grade that described video acquisition terminal is set comprises:
Receive the request that described video acquisition terminal sends; According to described request and uplink bandwidth of network the node grade is set; Send response, carry the node grade in the described response, make described video acquisition terminal adjust acquisition resolution according to described node grade; Or
To described video acquisition terminal sending node grade request is set, described node grade is provided with carries the node grade in the request, makes described video acquisition terminal adjust acquisition resolution according to described node grade; The node grade that receives described video acquisition terminal transmission is provided with response.
Wherein, described video acquisition terminal comprises according to described node grade adjustment acquisition resolution:
For the node of different brackets, described video acquisition terminal adopts the resolution corresponding with described node grade to carry out video acquisition, and described node grade is high more, and the resolution of described node correspondence is high more;
Described node comprises the first kind node and second category node, and described node grade according to network downlink bandwidth and described video acquisition terminal judges whether that described video code flow is carried out the video enhancing to be comprised:
For first kind node, judge that described video code flow not being carried out video strengthens; And/or
For second category node, when Netowrk tape is roomy, judge that described video code flow is carried out video to be strengthened; When the network bandwidth hour, judge that described video code flow not being carried out video strengthens.
Wherein, describedly described video code flow is carried out video strengthen and to comprise:
Described video is strengthened code stream carry out the video compression decoding;
Described video code flow behind the uncompressed encoding is carried out the video enhancement process, and described video enhancement process comprises following one or more: vedio noise reduction; Motion compensation; The video contrast strengthens; Resolution strengthens;
The described video code flow that carries out after the video enhancement process is carried out the video coding compression.
Wherein, before the video code flow of the transmission of described receiver, video acquisition terminal, also comprise:
Described video acquisition terminal is authenticated;
Described before monitoring server sends to the video monitoring terminal, comprising:
Described video monitoring terminal is authenticated.
Wherein, comprising: adjust the node grade according to the network downlink bandwidth;
Also comprise: described node class stores and is upgraded described node relationships table according to the adjustment of node grade in the node relationships table.
Embodiments of the invention provide a kind of video monitoring system, comprising:
Adaptive video strengthens platform, is used for the video code flow that the receiver, video acquisition terminal sends; Node grade according to network downlink bandwidth and described video acquisition terminal judges whether that described video code flow is carried out video to be strengthened; When judgement is carried out the video enhancing to described video code flow, carry out the video enhancement process and described processed video code stream is sent to the video monitoring terminal through monitoring server; Otherwise, directly described video code flow is sent to described video monitoring terminal through described monitoring server.
The video acquisition terminal is used for strengthening platform to described adaptive video and sends video code flow;
Monitoring server, the video code flow that the described adaptive video that is used for receiving strengthens the platform transmission sends to described video monitoring terminal;
The video monitoring terminal is used to receive the video code flow that comes readme adaptive video enhancing platform that described monitoring server sends.
Wherein, described video acquisition terminal also is used for:
Adjust acquisition resolution according to described node grade, specifically comprise:
For the node of different brackets, described video acquisition terminal adopts the resolution corresponding with described node grade to carry out video acquisition, and described node grade is high more, and the resolution of described node correspondence is high more.
Embodiments of the invention provide a kind of adaptive video to strengthen platform, comprising:
Receiver module is used for the video code flow that the receiver, video acquisition terminal sends;
Adaptive video strengthens module, is used for judging whether that according to the node grade of network downlink bandwidth and described video acquisition terminal the described video code flow that described receiver module receives is carried out video to be strengthened; Being used for that described video code flow that video strengthens is carried out in judgement carries out video and strengthens;
Sending module is used for that described adaptive video is strengthened module processed video code stream and sends to the video monitoring terminal through monitoring server; Or the described video code flow that does not carry out the video enhancing that directly described adaptive video is strengthened the module judgement sends to described video monitoring terminal through described monitoring server.
Wherein, comprising: module is set, is connected with described receiver module, be used to be provided with the node grade of described video acquisition terminal, the described node grade of described video acquisition terminal that is provided with is for to be divided into two classes according to the node important level at least with node;
The described module that is provided with specifically is used for:
Receive the request that described video acquisition terminal sends; According to described request and uplink bandwidth of network the node grade is set; Send response, carry the node grade in the described response, make described video acquisition terminal adjust acquisition resolution according to described node grade; Or
To described video acquisition terminal sending node grade request is set, described node grade is provided with carries the node grade in the request, makes described video acquisition terminal adjust acquisition resolution according to described node grade; The node grade that receives described video acquisition terminal transmission is provided with response.
Wherein, node comprises the first kind node and second category node, and described adaptive video strengthens module and comprises judgement submodule and video enhancer module, and described judgement submodule specifically is used for:
For first kind node, judge that described video code flow not being carried out video strengthens; And/or
For second category node, when Netowrk tape is roomy, judge that described video code flow is carried out video to be strengthened; When the network bandwidth hour, judge that described video code flow not being carried out video strengthens.
Described video enhancer module specifically is used for:
The described video enhancing code stream that carries out the video enhancing that described judgement submodule is obtained carries out the video compression decoding;
Described video code flow behind the uncompressed encoding is carried out the video enhancement process, and described video enhancement process comprises following one or more: vedio noise reduction; Motion compensation; The video contrast strengthens; Resolution strengthens;
The described video code flow that carries out after the video enhancement process is carried out the video coding compression.
Wherein, also comprise:
Authentication module is connected with described sending module with described receiver module, is used for described video acquisition terminal is authenticated; And/or described video monitoring terminal authenticated.
Wherein, the described module that is provided with also is used for: adjust the node grade according to the network downlink bandwidth;
Also comprise: memory module, be connected with the described module that is provided with, be used for described node class stores at the node relationships table, and upgrade described node relationships table according to the adjustment of described node grade.
The embodiments of the invention adaptive video strengthens platform and makes full use of TD-SCDMA uplink and downlink timeslot proportioning advantage flexibly, node grade according to the requirement setting of gathering definition by the video acquisition terminal, in conjunction with the current network bandwidth, optionally carrying out video strengthens, thereby realized realizing the output of low resolution collection high-resolution by the adjustable characteristic of TD-SCDMA uplink and downlink timeslot ratio, improve the definition of video acquisition, avoided the TD-SCDMA network to be difficult to carry the problem of multitude of video business.
Description of drawings
In order to be illustrated more clearly in the present invention or technical scheme of the prior art, to do simple the introduction to the accompanying drawing of required use in the present invention or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, 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 based on the wireless digital video monitoring system of TD-SCDMA in the prior art;
A kind of flow chart of method of video monitoring in Fig. 2 embodiment of the invention;
Fig. 3 is the TD-SCDMA network wireless video monitoring system that adopts video enhancement techniques in the inventive embodiments;
Fig. 4 is the internal module structural representation that adaptive video strengthens platform in the inventive embodiments;
Fig. 5 is the structural representation of a kind of video monitoring system in the inventive embodiments;
A kind of flow chart of method of video monitoring in Fig. 6 embodiment of the invention;
Fig. 7 carries out the flow chart that communication is transmitted in order for each device in the TD-SCDMA network wireless video monitoring system that adopts video enhancement techniques in the inventive embodiments;
A kind of adaptive video strengthens the structural representation of platform in Fig. 8 embodiment of the invention;
A kind of adaptive video strengthens the structural representation of platform in Fig. 9 embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing among the present invention, the technical scheme among the present invention is carried out clear, complete description, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope of protection of the invention.
The TD-SCDMA network is as a mobile network, and under the more situation of cell terminal user, its bandwidth is comparatively limited, so the TD-SCDMA network is difficult to support a large amount of video traffics.If the user adopts the video acquisition terminal of low resolution to increase watch-dog in video monitoring system and inserts quantity, that user can not obtain a high-resolution monitor video at the video decode display end, send because the compressed video stream that system as shown in Figure 1 has only the monitoring server of scheduling placed in the middle that the video acquisition terminal is acquired carries out simple an appointment.In addition,, can the ratio of uplink and downlink time slot be set flexibly and adjust the ratio of the data rate of uplink and downlink, be particularly suitable for few and the occasion that downlink data is many of upstream data in the data service because the TD-SCDMA network has the advantage of TDMA.So, in the wireless digital video monitoring system of TD-SCDMA, increase the video enhancement function and gather high-resolution output, thereby improve TD-SCDMA network video service capacity to realize low resolution.
So, the embodiment of the invention provides a TD-SCDMA network wireless video monitoring system that adopts video enhancement techniques, realize having the TD-SCDMA network wireless video monitoring of the employing video enhancement function of high degree of flexibility with this, thereby to solve the TD-SCDMA bandwidth on user images interpretation and the identification Demand Base less satisfying, and is difficult to support the problem of multitude of video business.
As shown in Figure 2, the method for a kind of video monitoring that provides for embodiments of the invention specifically may further comprise the steps:
The video code flow that step 201, receiver, video acquisition terminal send;
When step 203, judgement are carried out the video enhancing to described video code flow, carry out the video enhancement process and described processed video code stream is sent to the video monitoring terminal through monitoring server; Otherwise, directly described video code flow is sent to described video monitoring terminal through described monitoring server.
Below in conjunction with concrete application scenarios, technical scheme of the present invention is done further detailed elaboration.
For based on the TD-SCDMA network, utilize the characteristics of the adjustable and downstream rate of its uplink and downlink time slot ratio greater than upstream rate, original TD-SCDMA network wireless supervisory control system is improved, the TD-SCDMA network wireless video monitoring system of the employing video enhancement techniques after the improvement, as shown in Figure 3, comprise: the video acquisition terminal, adaptive video strengthens platform, monitoring server and video monitoring terminal.Wherein, the video acquisition terminal comprises watch-dog, adaptive coding submodule and encoder and wireless network thereof.
1, self adaptation increases distinctive platform in the TD-SCDMA network wireless video monitoring system that the strong platform of video is an employing video enhancement techniques in the embodiment of the invention, provide adaptive video to strengthen module in this platform, particularly, comprise adaptive coding submodule, adaptive video control submodule and video enhancer module.
(1) adaptive coding submodule (being arranged at the video acquisition terminal):
In order to realize adaptive coding, for each video acquisition terminal (being each node in the network), all set in advance its node grade, the described node grade of described video acquisition terminal that is provided with is for to be divided into two classes according to the node important level at least with node, as VIP (important) node, Enhanced (enhancing) node and Normal (common) node.Wherein, for the node of different brackets, described video acquisition terminal adopts the resolution corresponding with described node grade to carry out video acquisition, and described node grade is high more, and the resolution of described node correspondence is high more.For example: the node that is designated VIP is the highest grade a node, need remain high-quality monitor video, and the video acquisition terminal adopts high-resolution to carry out video acquisition; Be designated the node of node of Enhanced, it is carried out the low resolution collection, then can carry out video to it and strengthen, reach high-resolution output by video enhancement techniques for needing to strengthen; Be designated the node of Normal, then adopt common resolution to carry out video acquisition, keep original input and output, be left intact.The node class stores of each video acquisition terminal strengthens platform at adaptive video.
By above-mentioned to each video acquisition terminal iidentification node grade, the system that makes can be under the situation that the monitor video definition that does not influence each video acquisition terminal requires, according to the current network upstream bandwidth, node class letter according to each video acquisition terminal, encode adaptively, realized when monitor video is gathered, carrying out adaptive coding.The monitor video of video acquisition capture terminal is through after the encoding compression, and the wireless network access INTERNET network by TD-SCDMA strengthens platform by the INTERNET Network Transmission to adaptive video.
(2) adaptive video strengthens platform (adaptive video control submodule and video enhancer module are arranged at this platform side)
The adaptive coding submodule strengthens platform by the INTERNET Network Transmission to adaptive video with the video code flow that obtains by behind the authentification of user.According to system design, the internal module structure of adaptive video enhancing platform as shown in Figure 4.The video code flow that this platform reception adaptive coding submodule sends over detects current TD-SCDMA network downlink bandwidth by adaptive video control submodule then and the node grade is optionally carried out the video enhancing by video enhancer module.Particularly, for the video code flow that does not need to strengthen, platform is directly exported to monitoring server with it.And the video code flow that needs are strengthened, adaptive video control submodule sends it to video enhancer module, by video enhancer module it is carried out the video enhancement process: at first, the video compression decoding obtains sequence of video images; Secondly, video is strengthened, the step of enhancing comprises operations such as vedio noise reduction, motion compensation, video contrast's enhancing and resolution enhancing; Then, the video after strengthening is carried out encoding compression; At last, the video after strengthening is exported to monitoring server.
Adaptive video control submodule is the key that adaptive video strengthens platform, this module judges whether that according to the node grade of network downlink bandwidth and video acquisition terminal video code flow is carried out video to be strengthened, described node comprises the first kind node and second category node, specifically comprises:
For first kind node (important node and ordinary node), judge that this video code flow not being carried out video strengthens; And/or
For second category node, when Netowrk tape is roomy, judge that this video code flow is carried out video to be strengthened; When the network bandwidth hour, judge that this video code flow not being carried out video strengthens.
Node grade for the video acquisition terminal, after adaptive video enhancing platform is provided with it is stored in the node relationships table, this tabulation is the node grade of video acquisition terminal in each sub-district and node grade statistics (be in the sub-district by how many VIP nodes, Enhanced node and Normal node).After the adaptive control submodule is provided with the node grade of video acquisition terminal, can also be according to whole downlink wireless bandwidth, the quantity of control and adjustment Enhanced node, promptly under the bigger situation of whole downlink wireless bandwidth, make the quantity of the local Enhanced of adjustment node, thereby the reduction downlink bandwidth after then being adjusted by the adaptive control submodule, will upgrade the node relationships table according to the adjustment of node grade.
Adaptive video strengthens platform makes the system can be under the situation that Internet resources allow, utilize the time slot of TD-SCDMA network adjustable, downstream rate is greater than the characteristic of upstream rate, the adaptive coding submodule is gathered the monitor video of low resolution, and obtain the monitor video of high-resolution, thereby make the TD-SCDMA network obtain to support more video traffic under the situation of identical display effect at decoding terminal.
2, monitoring server
Monitoring server receives and the storage adaptive video strengthens the video code flow that platform is exported, and transmits corresponding video code flow through the TD-SCDMA network to the decoding terminal by authentification of user.Simultaneously, monitoring server receives the monitoring requirement from decoding end, and according to the monitoring requirement of video monitoring terminal video acquisition terminal and video is strengthened the enforcement monitoring.
3, video monitoring terminal
Thereby the video monitoring terminal inserts INTERNET by the TD-SCDMA mobile data network and realizes communicating by letter with monitoring server, obtains corresponding monitor video with this.In addition, the video monitoring terminal can send the monitoring requirement order to monitoring server, thereby realizes the control to supervisory control system.
4, transmission network
Transmission network mainly is made up of TD-SCDMA wireless network and other network (wired or WIFI).
Between the video acquisition terminal and video monitoring terminal at adaptive coding submodule place, monitoring server and video monitoring terminal all need to pass through authentification of user, be that the adaptive coding submodule strengthens platform to adaptive video, or the video monitoring terminal is to monitoring server or registered user ID and password, have only when user ID and password are effective, just connect transmission data and order, the fail safe that can improve supervisory control system by this effective authentification of user mechanism.
In each module of TD-SCDMA network wireless video monitoring system of the employing video enhancement techniques that the embodiment of the invention provides, the adaptive coding submodule strengthens combining of platform with adaptive video, system can be regulated adaptively according to network condition gather and enhancing, thereby solve the problem that the TD-SCDMA network is difficult to support the multitude of video business.
As shown in Figure 5, the structural representation of a kind of video monitoring system that provides for the embodiment of the invention, in conjunction with Fig. 5, the embodiment of the invention provides a kind of video frequency monitoring method, as shown in Figure 6, specifically may further comprise the steps:
Wherein, be designated the node of VIP, the video acquisition terminal adopts high-resolution to carry out video acquisition; Be designated the node of node of Enhanced, it is carried out the low resolution collection, then it is carried out video and strengthen, reach high-resolution output by video enhancement techniques for needing to strengthen; Be designated the node of Normal, then adopt common resolution to carry out video acquisition, keep original input and output, be left intact.
Particularly, adaptive video strengthens platform and judges whether the video that this video acquisition terminal sends strengthened and comprise in the following multiple situation any:
For VIP node and Normal node, judge that this video code flow not being carried out video strengthens;
For the Enhanced node, when Netowrk tape is roomy, judge that this video code flow is carried out video to be strengthened; When the network bandwidth hour, judge that this video code flow not being carried out video strengthens.
By judging, adaptive video strengthens platform this video is carried out the video enhancing, goes to step 606;
By judging, adaptive video strengthens platform and this video is not carried out the video enhancing, goes to step 607;
The video that step 606, adaptive video enhancing platform need carry out the video enhancing carries out the video enhancement process.
Particularly, adaptive video enhancing platform carries out the video enhancement process and comprises: at first, the video compression decoding obtains sequence of video images; Secondly, video is strengthened, the step of enhancing comprises operations such as vedio noise reduction, motion compensation, video contrast's enhancing and resolution enhancing; Then, the video after strengthening is carried out encoding compression
Wherein, the video of adaptive video enhancing platform transmission comprises video and the video after the video enhancement process is carried out in judgement that does not carry out the video enhancement process through judging.
Need to prove that in above-mentioned transfer process, each equipment in the system is monitored control command separately when carrying out transfer of data.
(1) monitoring server receives the monitoring requirement from the video monitoring terminal, and carries out corresponding policer operation, and for example video acquisition terminal or adaptive video strengthen platform.
(2) video acquisition terminal and adaptive video strengthen the control command of platform monitoring from monitoring server, and carry out the monitor command that obtains.
Video acquisition terminal and video monitoring terminal have only by behind the authentification of user, could connect transmission data and order with corresponding with service device or platform.
In the TD-SCDMA network wireless video monitoring system of the employing video enhancement techniques that the embodiment of the invention provides, each device also carries out order and transmits communication when carrying out data passes, as shown in Figure 7, specifically comprises:
When node inserts the sub-district:
701, when the video acquisition terminal inserted or leaves a sub-district and enter another sub-district, its adaptive coding submodule strengthens platform to adaptive video initiated to insert request, carries the sub-district routing iinformation of node in the request.
702, the adaptive video of platform control submodule is according to the calculated load identification nodes rank of request, the current bandwidth that will insert the sub-district, sub-district node connected node and platform, and by the access response of the request of replying the node rank is provided with instruction and passes to the adaptive coding submodule, upgrade the node cell relations table (this table storage the nodal information that the sub-district has connected) of platform simultaneously, comprise and currently will insert sub-district and former sub-district.
703, the adaptive coding submodule of self adaptation acquisition module receives response, and by the node rank of response instruction is set, and the acquisition resolution of monitor terminal is set.
704, the quantity of Enhanced node be controlled and be adjusted to adaptive video control submodule can according to the bandwidth and the node number that current area has been connected of whole downlink wireless, initiates the node rank to the adaptive coding submodule request is set.
705, the node rank of adaptive coding submodule monitoring adaptive video enhancing platform is provided with request, according to the node rank of asking the acquisition resolution that the video acquisition terminal is regulated in instruction is set, and to platform sending node rank response is set.
706, after adaptive video strengthens node rank that platform receives the adaptive coding submodule response is set, upgrade its node cell relations table.
707, monitoring server is monitored the monitoring requirement from the video monitoring terminal, and carries out corresponding policer operation, and for example control of video acquisition terminal or adaptive video strengthen platform.
708, video acquisition terminal and adaptive video strengthen the control command of platform monitoring from monitoring server, and carry out the monitor command that obtains.
Embodiments of the invention provide a kind of video monitoring system, comprising:
Adaptive video strengthens platform, is used for the video code flow that the receiver, video acquisition terminal sends; Node grade according to network downlink bandwidth and described video acquisition terminal judges whether that described video code flow is carried out video to be strengthened; When judgement is carried out the video enhancing to described video code flow, carry out the video enhancement process and described processed video code stream is sent to the video monitoring terminal through monitoring server; Otherwise, directly described video code flow is sent to described video monitoring terminal through described monitoring server.
The video acquisition terminal is used for strengthening platform to described adaptive video and sends video code flow;
Monitoring server, the video code flow that the described adaptive video that is used for receiving strengthens the platform transmission sends to described video monitoring terminal;
The video monitoring terminal is used to receive the video code flow that comes readme adaptive video enhancing platform that described monitoring server sends.
Wherein, described video acquisition terminal also is used for:
Adjust acquisition resolution according to described node grade, specifically comprise:
For the node of different brackets, described video acquisition terminal adopts the resolution corresponding with described node grade to carry out video acquisition, and described node grade is high more, and the resolution of described node correspondence is high more.
Embodiments of the invention provide a kind of adaptive video to strengthen platform 800, as shown in Figure 8, comprising:
Adaptive video strengthens module 820, is used for judging whether that according to the node grade of network downlink bandwidth and described video acquisition terminal the described video code flow that receiver module 810 receives is carried out video to be strengthened; Being used for that described video code flow that video strengthens is carried out in judgement carries out video and strengthens;
Sending module 830 is used for that adaptive video is strengthened module 820 described processed video code streams and sends to the video monitoring terminal through monitoring server; Or the described video code flow that does not carry out the video enhancing that directly adaptive video is strengthened module 820 judgements sends to described video monitoring terminal through described monitoring server.
Wherein, this platform also comprises as shown in Figure 9: module 840 is set, is connected with receiver module 810, be used to be provided with the node grade of described video acquisition terminal, the described node grade of described video acquisition terminal that is provided with is for to be divided into two classes according to the node important level at least with node;
Receive the request that described video acquisition terminal sends; According to described request and uplink bandwidth of network the node grade is set; Send response, carry the node grade in the described response, make described video acquisition terminal adjust acquisition resolution according to described node grade; Or
To described video acquisition terminal sending node grade request is set, described node grade is provided with carries the node grade in the request, makes described video acquisition terminal adjust acquisition resolution according to described node grade; The node grade that receives described video acquisition terminal transmission is provided with response.
Wherein, node comprises the first kind node and second category node, and adaptive video strengthens module 820 and comprises judgement submodule 821 and video enhancer module 822, judges that submodule 821 specifically is used for:
For first kind node, judge that described video code flow not being carried out video strengthens; And/or
For second category node, when Netowrk tape is roomy, judge that described video code flow is carried out video to be strengthened; When the network bandwidth hour, judge that described video code flow not being carried out video strengthens.
To judging that the described video enhancing code stream that carries out the video enhancing that submodule 821 obtains carries out the video compression decoding;
Described video code flow behind the uncompressed encoding is carried out the video enhancement process, and described video enhancement process comprises following one or more: vedio noise reduction; Motion compensation; The video contrast strengthens; Resolution strengthens;
The described video code flow that carries out after the video enhancement process is carried out the video coding compression.
Wherein, also comprise:
Wherein, module 840 being set also is used for: adjust the node grade according to the network downlink bandwidth;
Also comprise: memory module 860, and module 840 is set is connected, be used for described node class stores at the node relationships table, and upgrade described node relationships table according to the adjustment of described node grade.
The embodiments of the invention adaptive video strengthens platform and makes full use of TD-SCDMA uplink and downlink timeslot proportioning advantage flexibly, node grade according to the requirement setting of gathering definition by the video acquisition terminal, in conjunction with the current network bandwidth, optionally carrying out video strengthens, thereby realized realizing the output of low resolution collection high-resolution by the adjustable characteristic of TD-SCDMA uplink and downlink timeslot ratio, improve the definition of video acquisition, avoided the TD-SCDMA network to be difficult to carry the problem of multitude of video business.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a station terminal equipment (can be mobile phone, personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be looked protection scope of the present invention.
Claims (13)
1. the method for a video monitoring is characterized in that, comprising:
The video code flow that the receiver, video acquisition terminal sends;
Node grade according to network downlink bandwidth and described video acquisition terminal judges whether that described video code flow is carried out video to be strengthened;
When judgement is carried out the video enhancing to described video code flow, carry out the video enhancement process and described processed video code stream is sent to the video monitoring terminal through monitoring server; Otherwise, directly described video code flow is sent to described video monitoring terminal through described monitoring server.
2. the method for claim 1, it is characterized in that, before the video code flow that described receiver, video acquisition terminal sends, comprise: the node grade of described video acquisition terminal is set, and the described node grade of described video acquisition terminal that is provided with is for to be divided into two classes according to the node important level at least with node; The described node grade that described video acquisition terminal is set comprises:
Receive the request that described video acquisition terminal sends; According to described request and uplink bandwidth of network the node grade is set; Send response, carry the node grade in the described response, make described video acquisition terminal adjust acquisition resolution according to described node grade; Or
To described video acquisition terminal sending node grade request is set, described node grade is provided with carries the node grade in the request, makes described video acquisition terminal adjust acquisition resolution according to described node grade; The node grade that receives described video acquisition terminal transmission is provided with response.
3. method as claimed in claim 2 is characterized in that, described video acquisition terminal is adjusted acquisition resolution according to described node grade and comprised:
For the node of different brackets, described video acquisition terminal adopts the resolution corresponding with described node grade to carry out video acquisition, and described node grade is high more, and the resolution of described node correspondence is high more;
Described node comprises the first kind node and second category node, and described node grade according to network downlink bandwidth and described video acquisition terminal judges whether that described video code flow is carried out the video enhancing to be comprised:
For first kind node, judge that described video code flow not being carried out video strengthens; And/or
For second category node, when Netowrk tape is roomy, judge that described video code flow is carried out video to be strengthened; When the network bandwidth hour, judge that described video code flow not being carried out video strengthens.
4. the method for claim 1 is characterized in that, describedly described video code flow is carried out video strengthens and to comprise:
Described video is strengthened code stream carry out the video compression decoding;
Described video code flow behind the uncompressed encoding is carried out the video enhancement process, and described video enhancement process comprises following one or more: vedio noise reduction; Motion compensation; The video contrast strengthens; Resolution strengthens;
The described video code flow that carries out after the video enhancement process is carried out the video coding compression.
5. the method for claim 1 is characterized in that,
Before the video code flow of the transmission of described receiver, video acquisition terminal, also comprise:
Described video acquisition terminal is authenticated;
Described before monitoring server sends to the video monitoring terminal, comprising:
Described video monitoring terminal is authenticated.
6. as each described method in the claim 1 to 3, it is characterized in that,
Comprise: adjust the node grade according to the network downlink bandwidth;
Also comprise: described node class stores and is upgraded described node relationships table according to the adjustment of node grade in the node relationships table.
7. a video monitoring system is characterized in that, comprising:
Adaptive video strengthens platform, is used for the video code flow that the receiver, video acquisition terminal sends; Node grade according to network downlink bandwidth and described video acquisition terminal judges whether that described video code flow is carried out video to be strengthened; When judgement is carried out the video enhancing to described video code flow, carry out the video enhancement process and described processed video code stream is sent to the video monitoring terminal through monitoring server; Otherwise, directly described video code flow is sent to described video monitoring terminal through described monitoring server.
The video acquisition terminal is used for strengthening platform to described adaptive video and sends video code flow;
Monitoring server, the video code flow that the described adaptive video that is used for receiving strengthens the platform transmission sends to described video monitoring terminal;
The video monitoring terminal is used to receive the video code flow that comes readme adaptive video enhancing platform that described monitoring server sends.
8. system as claimed in claim 7 is characterized in that, described video acquisition terminal also is used for:
Adjust acquisition resolution according to described node grade, specifically comprise:
For the node of different brackets, described video acquisition terminal adopts the resolution corresponding with described node grade to carry out video acquisition, and described node grade is high more, and the resolution of described node correspondence is high more.
9. an adaptive video strengthens platform, it is characterized in that, comprising:
Receiver module is used for the video code flow that the receiver, video acquisition terminal sends;
Adaptive video strengthens module, is used for judging whether that according to the node grade of network downlink bandwidth and described video acquisition terminal the described video code flow that described receiver module receives is carried out video to be strengthened; Being used for that described video code flow that video strengthens is carried out in judgement carries out video and strengthens;
Sending module is used for that described adaptive video is strengthened module processed video code stream and sends to the video monitoring terminal through monitoring server; Or the described video code flow that does not carry out the video enhancing that directly described adaptive video is strengthened the module judgement sends to described video monitoring terminal through described monitoring server.
10. adaptive video as claimed in claim 9 strengthens platform, it is characterized in that, comprise: module is set, be connected with described receiver module, be used to be provided with the node grade of described video acquisition terminal, the described node grade of described video acquisition terminal that is provided with is for to be divided into two classes according to the node important level at least with node;
The described module that is provided with specifically is used for:
Receive the request that described video acquisition terminal sends; According to described request and uplink bandwidth of network the node grade is set; Send response, carry the node grade in the described response, make described video acquisition terminal adjust acquisition resolution according to described node grade; Or
To described video acquisition terminal sending node grade request is set, described node grade is provided with carries the node grade in the request, makes described video acquisition terminal adjust acquisition resolution according to described node grade; The node grade that receives described video acquisition terminal transmission is provided with response.
11. adaptive video as claimed in claim 9 strengthens platform, it is characterized in that node comprises the first kind node and second category node, described adaptive video strengthens module and comprises judgement submodule and video enhancer module, and described judgement submodule specifically is used for:
For first kind node, judge that described video code flow not being carried out video strengthens; And/or
For second category node, when Netowrk tape is roomy, judge that described video code flow is carried out video to be strengthened; When the network bandwidth hour, judge that described video code flow not being carried out video strengthens.
Described video enhancer module specifically is used for:
The described video enhancing code stream that carries out the video enhancing that described judgement submodule is obtained carries out the video compression decoding;
Described video code flow behind the uncompressed encoding is carried out the video enhancement process, and described video enhancement process comprises following one or more: vedio noise reduction; Motion compensation; The video contrast strengthens; Resolution strengthens;
The described video code flow that carries out after the video enhancement process is carried out the video coding compression.
12. adaptive video as claimed in claim 9 strengthens platform, also comprises:
Authentication module is connected with described sending module with described receiver module, is used for described video acquisition terminal is authenticated; And/or described video monitoring terminal authenticated.
13. strengthen platform as each described adaptive video in the claim 9 to 11, it is characterized in that,
The described module that is provided with also is used for: adjust the node grade according to the network downlink bandwidth;
Also comprise: memory module, be connected with the described module that is provided with, be used for described node class stores at the node relationships table, and upgrade described node relationships table according to the adjustment of described node grade.
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| CN 200910238583 CN102082947B (en) | 2009-11-26 | 2009-11-26 | Method, system and apparatus for video monitoring |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102340656A (en) * | 2011-10-19 | 2012-02-01 | 中兴通讯股份有限公司 | Monitoring terminal, monitoring system, monitoring data transmission method and receiving method |
| CN102592443A (en) * | 2012-03-07 | 2012-07-18 | 清华大学 | Vehicle-mounted wireless video interaction transmission system for traffic accident surveying vehicles |
| WO2020135306A1 (en) * | 2018-12-29 | 2020-07-02 | 华为技术有限公司 | Method for controlling camera, control device, network apparatus and camera |
| CN111782869A (en) * | 2020-07-08 | 2020-10-16 | 珠海大横琴科技发展有限公司 | Video big data event library construction method and device and computer equipment |
| CN116456061A (en) * | 2023-06-15 | 2023-07-18 | 四川三思德科技有限公司 | Intelligent community monitoring management method, system and medium based on dynamic target detection |
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| US7742068B2 (en) * | 2005-09-14 | 2010-06-22 | Sorenson Communications, Inc. | Method and system for auto configuration in a video phone system |
| CN101043618B (en) * | 2006-03-24 | 2010-04-07 | 腾讯科技（深圳）有限公司 | Apparatus and method for controlling frame rate in multi-way video communication |
| CN101127835B (en) * | 2007-09-27 | 2010-12-08 | 中兴通讯股份有限公司 | A pre-processing method and device for improving video image quality of digital video camera |
| CN101409825B (en) * | 2007-10-10 | 2011-04-13 | 中国科学院自动化研究所 | Nighttime vision monitoring method based on information fusion |
| CN101262382A (en) * | 2008-04-25 | 2008-09-10 | 北京泰得思达科技发展有限公司 | A data collection system for automatic monitoring in network environment |
| CN101340321A (en) * | 2008-08-28 | 2009-01-07 | 北京中星微电子有限公司 | Solution of adaptive bandwidth in real-time monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102340656A (en) * | 2011-10-19 | 2012-02-01 | 中兴通讯股份有限公司 | Monitoring terminal, monitoring system, monitoring data transmission method and receiving method |
| CN102592443A (en) * | 2012-03-07 | 2012-07-18 | 清华大学 | Vehicle-mounted wireless video interaction transmission system for traffic accident surveying vehicles |
| CN102592443B (en) * | 2012-03-07 | 2014-10-22 | 清华大学 | Vehicle-mounted wireless video interaction transmission system for traffic accident surveying vehicles |
| WO2020135306A1 (en) * | 2018-12-29 | 2020-07-02 | 华为技术有限公司 | Method for controlling camera, control device, network apparatus and camera |
| CN111782869A (en) * | 2020-07-08 | 2020-10-16 | 珠海大横琴科技发展有限公司 | Video big data event library construction method and device and computer equipment |
| CN116456061A (en) * | 2023-06-15 | 2023-07-18 | 四川三思德科技有限公司 | Intelligent community monitoring management method, system and medium based on dynamic target detection |
| CN116456061B (en) * | 2023-06-15 | 2023-09-08 | 四川三思德科技有限公司 | Intelligent community monitoring management method, system and medium based on dynamic target detection |
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