CN103747210A - Method and device for data processing of video monitoring system - Google Patents
Method and device for data processing of video monitoring system Download PDFInfo
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- CN103747210A CN103747210A CN201310753894.7A CN201310753894A CN103747210A CN 103747210 A CN103747210 A CN 103747210A CN 201310753894 A CN201310753894 A CN 201310753894A CN 103747210 A CN103747210 A CN 103747210A
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Abstract
The invention discloses a method and a device for data processing of a video monitoring system. The method for the data processing of the video monitoring system comprises the following steps of after video is collected in real time, receiving a video collecting range command sent by a client; according to the received video collecting range command, cutting the collected video; encoding the cut video, and sending the encoded video to the client. The method for the data processing of the video monitoring system has the advantages that according to the video collecting range command sent by the client, the size and angle of video collection are adjusted within certain range; in addition, the encoded image is the video which is encoded according to the video collecting range command sent by the client, and the unnecessary video of a user is cut off, so the beneficial effects of saving network resource and reducing storage cost are realized.
Description
Technical field
The present invention relates to technical field of video monitoring, relate in particular to a kind of data processing equipment and device thereof of video monitoring system.
Background technology
Along with the raising of the definition of video capture processor, video camera can collect the video flowing of high definition on a large scale.But because hysteresis and the cost of video storage of network capacity are higher, camera acquisition to the video flowing of high definition on a large scale in, finally for the image resolution ratio of encoding, do not need video capture processor so large.
And traditional video camera is at selected camera lens, after installing, can only see the image of fixed size, fixed angle, can not, according to the outstanding image emphasis of user's request enlarged image, can not change angle, allow user see at any time the visual angle that user is concerned about.In prior art, the video camera that adopts electronics to amplify can be realized enlarging function, still, because of the resolution of the image after coding, fixes, and the multiplication factor of selection when user watches is higher, sees that the video after amplification is more unintelligible.
Summary of the invention
Main purpose of the present invention is to provide a kind of data processing method and device thereof of video monitoring system, is intended to improve user and watches the definition in topography region.
In order to achieve the above object, the present invention proposes a kind of data processing method of video monitoring system, comprises the following steps:
After Real-time Collection video, receive the video acquisition extent directive that client is sent;
According to the described video acquisition extent directive receiving, the video collecting is carried out to cutting processing;
Cutting described video after treatment is encoded after processing, described video after treatment coding is sent to client.
Preferably, described video acquisition extent directive comprises the large small instruction of crop window and the instruction of crop window angle.
Preferably, described cutting described video after treatment is encoded and is processed after, the coding described video after treatment step that is sent to client is specifically comprised:
According to preset algorithm, default resolution and default coding quality by the video processing of encoding;
Described video after treatment coding is sent to client.
Preferably, the step that the described video acquisition extent directive that described basis receives carries out cutting processing to the video collecting specifically comprises:
According to described video acquisition extent directive, determine area parameters and the coordinate parameters of crop window;
According to the video collecting described in the area parameters of the described crop window of determining and coordinate parameters cutting.
Preferably, described cutting described video after treatment is encoded and is processed after, also comprise after coding described video after treatment is sent to the step of client:
When receiving the video acquisition extent directive that client sends, according to the cutting scope of video described in described video acquisition extent directive real-time update;
Described video after upgrading is encoded after processing, described video after treatment coding is sent to client.
The present invention further also proposes a kind of data processing equipment of video monitoring system, comprising:
Gather and receiver module, for after Real-time Collection video, receive the video acquisition extent directive that client is sent;
Cutting processing module, for carrying out cutting processing according to the described video acquisition extent directive receiving to the video collecting;
Coding sending module, after processing, is sent to client by described video after treatment coding for cutting described video after treatment is encoded.
Preferably, described video acquisition extent directive comprises the large small instruction of crop window and the instruction of crop window angle.
Preferably, described coding sending module comprises:
Coding unit, for according to preset algorithm, default resolution and default coding quality by the video processing of encoding;
Transmitting element, for being sent to client by described video after treatment coding.
Preferably, described cutting processing module comprises:
Determining unit, for determining area parameters and the coordinate parameters of crop window according to described video acquisition extent directive;
Cutting unit, according to the video collecting described in the area parameters of the described crop window of determining and coordinate parameters cutting.
Preferably, the data processing equipment of described video monitoring system also comprises:
Update module, when receiving the video acquisition extent directive that client sends, according to the cutting scope of video described in described video acquisition extent directive real-time update;
Described coding sending module is sent to client by described video after treatment coding after also processing for the described video after upgrading is encoded.
The data processing method of the video monitoring system that the present invention proposes, first after Real-time Collection video, receive the video acquisition extent directive that client is sent, then according to the described video acquisition extent directive receiving, the video collecting is carried out to cutting processing, finally cutting described video after treatment is encoded after processing, described video after treatment coding is sent to client, thereby make this video monitoring system in the situation that there is no zoom lens by the area parameters that changes crop window, indirectly realize the function of zoom, because just video is carried out to cutting before coding, thereby guaranteed the definition of the required image of user after coding.In addition, by the coordinate parameters that changes crop window, make this video monitoring system in the situation that there is no electronic platform, indirectly realized the function of electronic platform.The data processing method of this video monitoring system, thus by video acquisition extent directive, realize size and the angle of adjusting within the specific limits video acquisition.In addition, the image of encoding in the data processing method because of video monitoring system is that the video acquisition extent directive sending according to client is determined the video after coding, unwanted user video cutting is removed, therefore, reached the beneficial effect of saving Internet resources and carrying cost.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the first embodiment of the data processing method of video monitoring system of the present invention;
Fig. 2 is described video acquisition extent directive that the described basis of the data processing method of video monitoring system of the present invention receives carries out cutting processing schematic flow sheet to the video collecting;
Fig. 3 is that the described of data processing method of video monitoring system of the present invention encoded after processing to cutting described video after treatment, coding described video after treatment is sent to the schematic flow sheet of client;
Fig. 4 is the schematic flow sheet of the second embodiment of the data processing method of video monitoring system of the present invention;
Fig. 5 is the structural representation of the first embodiment of the data processing equipment of video monitoring system of the present invention;
Fig. 6 is the structural representation of the cutting processing module of video monitoring system of the present invention;
Fig. 7 is the structural representation of the coding sending module of video monitoring system of the present invention;
Fig. 8 is the structural representation of the second embodiment of the data processing equipment of video monitoring system of the present invention.
Realization, functional characteristics and the advantage of the object of the invention, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Below in conjunction with drawings and the specific embodiments, with regard to technical scheme of the present invention, be described further.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The present invention proposes a kind of data processing method of video monitoring system.
With reference to Fig. 1, the schematic flow sheet of the first embodiment of the data processing method that Fig. 1 is video monitoring system of the present invention.
The present invention proposes the first embodiment of the data processing method of video monitoring system.In the present embodiment, the data processing method of video monitoring system comprises the following steps:
Step S10, Real-time Collection video receives the video acquisition extent directive that client is sent simultaneously;
In the present embodiment, the video acquisition part of video monitoring system comprises camera lens and video acquisition plate, wherein, the camera lens adopting must be wide-angle lens, simultaneously, in video acquisition plate, must comprise high definition CMOS(Complementary Metal Oxide Semiconductor, complementary metal oxide semiconductors (CMOS)) or CCD(Charge-coupled Device, charge coupled cell) sensitive chip.Wide-angle lens collects after video, by structured video data transmitting to high definition CMOS or the imaging of CCD sensitive chip.During range of video Datong District that like this, guarantee collects, there is high-resolution.In the present embodiment, client can be household PC, also can display, or prepared the home television set of Set Top Box or other display device with interactive function accessing Internet as video monitoring apparatus.User can send video acquisition extent directive by various ways control clients such as mouse or remote controllers.
Step S20, carries out cutting processing according to the described video acquisition extent directive receiving to the video collecting;
Particularly, in the present embodiment, video acquisition extent directive comprises the large small instruction of crop window and the instruction of crop window angle.The large small instruction of crop window refers to the control command of user to cutting region area size, by being equivalent to make video monitoring system to realize the function of zoom to the change of cutting region area size.The instruction of crop window angle refers to the control command of user to cutting regional perspective, by the change to cutting regional perspective, is equivalent to make video monitoring system indirectly to realize the function of electronic platform.
Particularly, with reference to Fig. 2, step S20 comprises:
Step S201, determines area parameters and the coordinate parameters of crop window according to described video acquisition extent directive;
Step S202, according to the video collecting described in the area parameters of the described crop window of determining and coordinate parameters cutting.
Crop window is an abstract window, and its size is less than the size that gets video.Image in crop window is exactly the needed image range of user.The position of crop window is exactly the position of cutting panoramic picture, and this is to be determined by client.User determines the angle of cutting by the instruction of crop window angle, the large small instruction of crop window is determined the area of cutting.By the image of cutting different area, the multiplication factor of the image that user obtains is also just different.
Step S30, encodes after processing to cutting described video after treatment, and described video after treatment coding is sent to client.
Video coding is a link must carrying out before transmission of video, and coding can reduce the volume of video greatly after processing, make it to be suitable for transmitting on the internet.Video after coding can transfer to client or storage server by TCP or udp protocol.
Client to coding after video time, to video decode processing to be shown on display device.
Particularly, with reference to Fig. 3, step S30 comprises:
Step S301, according to preset algorithm, default resolution and default coding quality by the video processing of encoding;
Step S302, is sent to client by described video after treatment coding.
In the present embodiment, as image pixel in the video to collect as 300W pixel be example explanation.Traditional video monitoring system is getting after 300W pixel image, and because being subject to restriction network capacity and cost of video storage, the fixing default resolution of image of conventionally setting after coding is 100W pixel.Therefore the image that, is transferred to client is 100W pixel.If user need amplify to watch details to the image of 100W pixel, the image resolution ratio of watching is not high.And in this case, if user wants to watch the image in a certain region, when getting the video acquisition extent directive that user sends, before coding, by cutting out user in the 300W pixel collecting, want the region of watching, then, image in crop window is encoded, be encoded into 100W pixel image.Like this, guaranteed that client watches the definition of image.
In addition, it should be noted that, in the present embodiment, client can arrange multiple, multiple clients send its device id simultaneously while sending different video acquisition extent directives, video monitoring system can be the image of different client cutting zoness of different, according to device id by cutting the video of zones of different send to different clients, to meet the demand that multiple users are different.
The data processing method of the video monitoring system that the present embodiment proposes, first after Real-time Collection video, receive the video acquisition extent directive that client is sent, then according to the described video acquisition extent directive receiving, the video collecting is carried out to cutting processing, finally cutting described video after treatment is encoded after processing, video after treatment coding is sent to client, because just video is carried out to cutting before coding, thereby has guaranteed the definition of the required image of user after coding.In addition, thereby make this video monitoring system in the situation that there is no zoom lens by the area parameters that changes crop window, indirectly realize the function of zoom, by the coordinate parameters that changes crop window, make this video monitoring system in the situation that there is no electronic platform, indirectly realized the function of electronic platform.The data processing method of this video monitoring system, thus by video acquisition extent directive, realize size and the angle of adjusting within the specific limits video acquisition.In addition, the image of encoding in the data processing method because of video monitoring system is that the video acquisition extent directive sending according to client is determined the video after coding, unwanted user video cutting is removed, therefore, reached the beneficial effect of saving Internet resources and carrying cost.
With reference to Fig. 4, the schematic flow sheet of the second embodiment of the data processing method that Fig. 4 is video monitoring system of the present invention.
Based on above-described embodiment, the present invention proposes the second embodiment of the data processing method of video monitoring system.The present embodiment is different from above-described embodiment, after step S30, also comprises:
Step S40, when receiving the video acquisition extent directive that client sends, according to the cutting scope of video described in described video acquisition extent directive real-time update;
Step S50, encodes the described video after upgrading after processing, and described video after treatment coding is sent to client.
User, after the size and coordinate of selected a certain crop window, after a period of time, if while wanting to watch the topography in this region, now, again dwindles crop window size, and the video after cutting is sent to client.If user does not need to watch the video of current region, and need to change another visual angle, while seeing the video in another region, can be by setting the coordinate parameters of crop window, adjust the visual angle of crop window, after this, according to the video acquisition extent directive after upgrading, the video after cutting is sent to client.
The data processing method of the video monitoring system that the present embodiment proposes, when receiving the video acquisition extent directive that client sends, according to the cutting scope of video described in described video acquisition extent directive real-time update, described video after upgrading is encoded after processing, described video after treatment coding is sent to client, thereby realized the real-time update to video image cutting scope, user can change the scope of video cutting in real time, thereby be very easy to user's use.
The present invention further also proposes a kind of data processing equipment of video monitoring system.
With reference to Fig. 5, the structural representation of the first embodiment of the data processing equipment that Fig. 5 is video monitoring system of the present invention.
The present invention proposes the first embodiment of the data processing equipment of video monitoring system.In the present embodiment, the data processing equipment of video monitoring system comprises:
Gather and receiver module 10, for after Real-time Collection video, receive the video acquisition extent directive that client is sent;
Coding sending module 30, after processing, is sent to client by described video after treatment coding for cutting described video after treatment is encoded.
Particularly, with reference to Fig. 6, the structural representation of the cutting processing module that Fig. 6 is video monitoring system of the present invention.Cutting processing module 20 comprises:
Determining unit 201, for determining area parameters and the coordinate parameters of crop window according to described video acquisition extent directive;
Cutting unit 202, according to the video collecting described in the area parameters of the described crop window of determining and coordinate parameters cutting.
Particularly, with reference to Fig. 7, the structural representation of the coding sending module that Fig. 7 is video monitoring system of the present invention.Described coding sending module 30 comprises:
Coding unit 301, for according to preset algorithm, default resolution and default coding quality by the video processing of encoding;
Transmitting element 302, for being sent to client by described video after treatment coding.
In the present embodiment, the video acquisition part of video monitoring system comprises camera lens and video acquisition plate, and wherein, the camera lens of employing must be wide-angle lens, meanwhile, must comprise high definition CMOS or CCD sensitive chip in video acquisition plate.Wide-angle lens collects after video, by structured video data transmitting to high definition CMOS or the imaging of CCD sensitive chip.During range of video Datong District that like this, guarantee collects, there is high-resolution.In the present embodiment, client can be household PC, also can display, or prepared the home television set of Set Top Box or other display device with interactive function accessing Internet as video monitoring apparatus.User can send video acquisition extent directive by various ways control clients such as mouse or remote controllers.
Particularly, in the present embodiment, video acquisition extent directive comprises the large small instruction of crop window and the instruction of crop window angle.The large small instruction of crop window refers to the control command of user to cutting region area size, by being equivalent to indirectly make video monitoring system to realize the function of zoom to the change of cutting region area size.The instruction of crop window angle refers to the control command of user to cutting regional perspective, by be equivalent to indirectly make video monitoring system to realize the function of electronic platform to the change of cutting regional perspective.
Crop window is an abstract window, and its size is less than the size that gets video.Image in crop window is exactly the needed image range of user.The position of crop window is exactly the position of cutting panoramic picture, and this is to be determined by client.User determines the angle of cutting by the instruction of crop window angle, the large small instruction of crop window is determined the area of cutting.By the image of cutting different area, the multiplication factor of the image that user obtains is also just different.
Video coding is a link must carrying out before transmission of video, and coding can reduce the volume of video greatly after processing, make it to be suitable for transmitting on the internet.Video after coding can transfer to client or storage server by TCP or udp protocol.
Client to coding after video time, to video decode processing to be shown on display device.
In the present embodiment, as image pixel in the video to collect as 300W pixel be example explanation.Traditional video monitoring system is getting after 300W pixel image, and because being subject to restriction network capacity and cost of video storage, the fixing default resolution of image of conventionally setting after coding is 100W pixel.Therefore the image that, is transferred to client is 100W pixel.If user need amplify to watch details to the image of 100W pixel, the image resolution ratio of watching is not high.And in this case, if user wants to watch the image in a certain region, when getting the video acquisition extent directive that user sends, before coding, by cutting out user in the 300W pixel collecting, want the region of watching, then, image in crop window is encoded, be encoded into 100W pixel image.Like this, guaranteed that client watches the definition of image.
In addition, it should be noted that, in the present embodiment, client can arrange multiple, multiple clients send its device id simultaneously while sending different video acquisition extent directives, video monitoring system can be the image of different client cutting zoness of different, according to device id, the video after cutting is sent to the client of appointment, to meet the demand that multiple users are different.
The data processing equipment of the video monitoring system that the present embodiment proposes, gather with receiver module 10 after Real-time Collection video, receive the video acquisition extent directive that client is sent, cutting processing module 20 is carried out cutting processing according to the described video acquisition extent directive receiving to the video collecting, coding sending module 30 is encoded after processing to cutting described video after treatment, described video after treatment coding is sent to client, thereby make this video monitoring system in the situation that there is no zoom lens, also can realize the function of zoom by the area parameters that changes crop window, because just video is carried out to cutting before coding, thereby guaranteed the definition of the required image of user after coding.In addition, by the coordinate parameters that changes crop window, make this video monitoring system in the situation that there is no electronic platform, also realize the function of electronic platform.The data processing method of this video monitoring system, thus by video acquisition extent directive, realize size and the angle of adjusting within the specific limits video acquisition.In addition, because the image after coding is that the video acquisition extent directive sending according to client is determined the video after coding, unwanted user video cutting is removed, and therefore, the data processing equipment of this video monitoring system can reach the beneficial effect of saving Internet resources and carrying cost.
With reference to Fig. 8, the structural representation of the second embodiment of the data processing equipment that Fig. 8 is video monitoring system of the present invention.
Based on above-described embodiment, the present invention proposes the second embodiment of the data processing equipment of video monitoring system.The present embodiment is different from above-described embodiment, and in the present embodiment, the data processing equipment of video monitoring system also comprises:
Wherein, coding sending module 30 is sent to client by described video after treatment coding after also processing for the described video after upgrading is encoded.
User, after the size and coordinate of selected a certain crop window, after a period of time, if while wanting to watch the topography in this region, now, again dwindles crop window size, and the video after cutting is sent to client.If user does not need to watch the video of current region, and need to change another visual angle, while seeing the video in another region, can be by setting the coordinate parameters of crop window, adjust the visual angle of crop window, after this, according to the video acquisition extent directive after upgrading, the video after cutting is sent to client.
The data processing equipment of the video monitoring system that the present embodiment proposes, update module 40 is when receiving the video acquisition extent directive that client sends, according to the cutting scope of video described in described video acquisition extent directive real-time update, coding sending module 30 is encoded the described video after upgrading after processing, described video after treatment coding is sent to client, thereby realized the real-time update to video image cutting scope, user can change the scope of video cutting in real time, thereby greatly convenient for users to use.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure transformation that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a data processing method for video monitoring system, is characterized in that, comprises the following steps:
After Real-time Collection video, receive the video acquisition extent directive that client is sent;
According to the described video acquisition extent directive receiving, the video collecting is carried out to cutting processing;
Cutting described video after treatment is encoded after processing, described video after treatment coding is sent to client.
2. the data processing method of video monitoring system as claimed in claim 1, is characterized in that, described video acquisition extent directive comprises the large small instruction of crop window and the instruction of crop window angle.
3. the data processing method of video monitoring system as claimed in claim 1, is characterized in that, described cutting described video after treatment is encoded and is processed after, the coding described video after treatment step that is sent to client is specifically comprised:
According to preset algorithm, default resolution and default coding quality by the video processing of encoding;
Described video after treatment coding is sent to client.
4. the data processing method of video monitoring system as claimed in claim 1, is characterized in that, the step that the described video acquisition extent directive that described basis receives carries out cutting processing to the video collecting specifically comprises:
According to described video acquisition extent directive, determine area parameters and the coordinate parameters of crop window;
According to the video collecting described in the area parameters of the described crop window of determining and coordinate parameters cutting.
5. the data processing method of the video monitoring system as described in any one in claim 1 to 4, it is characterized in that, described cutting described video after treatment is encoded and is processed after, also comprise after coding described video after treatment is sent to the step of client:
When receiving the video acquisition extent directive that client sends, according to the cutting scope of video described in described video acquisition extent directive real-time update;
Described video after upgrading is encoded after processing, described video after treatment coding is sent to client.
6. a data processing equipment for video monitoring system, is characterized in that, comprising:
Gather and receiver module, for after Real-time Collection video, receive the video acquisition extent directive that client is sent;
Cutting processing module, for carrying out cutting processing according to the described video acquisition extent directive receiving to the video collecting;
Coding sending module, after processing, is sent to client by described video after treatment coding for cutting described video after treatment is encoded.
7. the data processing equipment of video monitoring system as claimed in claim 6, is characterized in that, described video acquisition extent directive comprises the large small instruction of crop window and the instruction of crop window angle.
8. the data processing equipment of video monitoring system as claimed in claim 6, is characterized in that, described coding sending module comprises:
Coding unit, for according to preset algorithm, default resolution and default coding quality by the video processing of encoding;
Transmitting element, for being sent to client by described video after treatment coding.
9. the data processing equipment of video monitoring system as claimed in claim 6, is characterized in that, described cutting processing module comprises:
Determining unit, for determining area parameters and the coordinate parameters of crop window according to described video acquisition extent directive;
Cutting unit, according to the video collecting described in the area parameters of the described crop window of determining and coordinate parameters cutting.
10. the data processing equipment of the video monitoring system as described in any one in claim 6 to 9, is characterized in that, also comprises:
Update module, when receiving the video acquisition extent directive that client sends, according to the cutting scope of video described in described video acquisition extent directive real-time update;
Described coding sending module is sent to client by described video after treatment coding after also processing for the described video after upgrading is encoded.
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| CN113840083A (en) * | 2021-08-19 | 2021-12-24 | 珠海视熙科技有限公司 | Camera control method, device and storage medium |
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