CN103152550B - The implementation method of a kind of electronic platform, headend equipment and reception device - Google Patents
The implementation method of a kind of electronic platform, headend equipment and reception device Download PDFInfo
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- CN103152550B CN103152550B CN201310057136.1A CN201310057136A CN103152550B CN 103152550 B CN103152550 B CN 103152550B CN 201310057136 A CN201310057136 A CN 201310057136A CN 103152550 B CN103152550 B CN 103152550B
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Abstract
The present invention provides the implementation method of a kind of electronic platform, headend equipment and reception device, relates to field of video monitoring so that user is when mobile monitor region, it is possible to move with less unit, thus obtains the effect of smoothness, promotes Consumer's Experience.Its method is: transmitting terminal receives user instruction, and according to the image location information in instruction, image is carried out cutting, obtain the image after cutting, and then the image spreading after cutting is obtained comprising the standard picture region in region to be reduced, image after extension is encoded, and the code stream after coding and spreading parameter are sent to subscriber equipment, in order to after code stream is decoded by subscriber equipment, obtain original cutting image in conjunction with spreading parameter.The present invention is for the realization of electronic platform.
Description
Technical field
The present invention relates to field of video monitoring, particularly relate to a kind of electronic platform implementation method,
Headend equipment and reception device.
Background technology
Current in the implementation of network monitoring, mainly have two kinds of implementations, one be by
IP Camera IPC (Internet Protocol Camera, IPC) is erected at fixing physics cloud
On platform, physics The Cloud Terrace receive remote user equipment instruction, by self be rotated up to change
The effect in monitoring region；Another kind is the method by electronic platform, i.e. collects IPC
Image carries out cutting, after the instruction receiving remote user equipment, according to user instruction by user
The image monitoring region is needed to send to remote user equipment, by different in sending pickup area
The image of position carrys out the moving process of analog physical The Cloud Terrace, reaches the similar effect changing monitoring region
Really.
But, although the scheme of current physics The Cloud Terrace can support multidirectional movement so that
The monitoring visual field of IPC can be adjusted along with the instruction of user, but uses the side of physics The Cloud Terrace
Case is relatively costly.In the implementation of electronic platform, when carry out the process of image cropping with
When family equipment is carried out, what IPC sent is that monitoring image is overall, but user needs simply monitoring figure
A part for picture, so makes network resource utilization too low；If the process of image cropping is at IPC
When place is carried out, owing to coding chip requires that the start physical address treating cutting image is 16byte's
Integral multiple, therefore subscriber equipment carry out the visual field move time, it is impossible to move with less unit
Dynamic, discontinuous effect can be caused, to the experience that user is poor.
Summary of the invention
Embodiments of the invention provide implementation method and the headend equipment of a kind of electronic platform, are to use
During mobile monitor region, family, it is possible to move with less unit, thus obtain the effect of smoothness
Really, Consumer's Experience is promoted.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
First aspect, it is provided that the implementation method of a kind of electronic platform, described method includes:
Obtain acquired original image；
Receive cutting instruction and treat cutting according to described cutting instruction acquisition in acquired original image
Region；
The standard drawing in region to be reduced described in the described range expansion treating clipping region is comprised
As region, and record spreading parameter；
Image in described standard picture region is encoded, the image code stream after being encoded；
Image code stream after described coding and described spreading parameter are sent to subscriber equipment.
In the implementation that the first is possible, in conjunction with first aspect, described reception cutting instructs
And treat that clipping region includes according to described cutting instruction acquisition in acquired original image:
Receiving the described cutting instruction that subscriber equipment is sent by network, described cutting instruction includes
What described subscriber equipment was specified treats the information of clipping region；
Resolve described cutting instruction, and specify according to the described subscriber equipment in described cutting instruction
The information treating clipping region determine in described acquired original image and treat clipping region.
In the implementation that the second is possible, in conjunction with first aspect, the model of clipping region will be treated
Enclose extension comprised described in the standard picture region in region to be reduced, and record spreading parameter bag
Include:
Treat that the left hand edge of image extends to described standard picture region in clipping region by described, will
Described treat that the right hand edge of image extends to described standard picture region in clipping region, treats described
In clipping region, the top edge of image extends to described standard picture region, treats Crop Area by described
In territory, the lower limb of image extends to described standard picture region；
Treat that the border extended left and right, upper and lower of cutting image is to described standard respectively described in record
The spreading parameter of image-region.
Second aspect, it is provided that a kind of user's method of reseptance, described method includes:
Receive the image code stream after coding and spreading parameter；
Image restoring is carried out according to the image code stream after described coding and described spreading parameter.
In the implementation that the first is possible, in conjunction with second aspect, described according to described coding
After image code stream and described spreading parameter carry out image restoring and include:
It is decoded the image code stream after described coding processing, the image after being expanded；
According to described spreading parameter, respectively the image after described extension is carried out left and right, upper,
The reduction treatment of lower limb, and the image after being reduced.
The third aspect, it is provided that a kind of headend equipment, described headend equipment includes:
Image acquisition unit, is used for obtaining acquired original image；
Instruction resolution unit, receives cutting instruction and instructs at acquired original figure according to described cutting
Obtain in Xiang and treat clipping region；
Image expansion unit, obtains the described range expansion treating clipping region to standard picture region
Image after extension, and record spreading parameter；
Image coding unit, for the image in described standard picture region is encoded,
Image code stream after coding；
Code stream transmitting element, for sending out the image code stream after described coding and described spreading parameter
Deliver to subscriber equipment.
In the implementation that the first is possible, in conjunction with the third aspect, described instruction resolution unit
Including:
Command reception subelement, the described cutting sent by network for receiving subscriber equipment is referred to
Order, described cutting instruction includes the information treating clipping region that described subscriber equipment is specified；
Instruction performs subelement, is used for resolving described cutting instruction, and instructs according to described cutting
In the information treating clipping region specified of described subscriber equipment in described acquired original image really
Surely treat clipping region, and the described image treated in clipping region is sent to image expansion unit.
In the implementation that the second is possible, in conjunction with the third aspect, described image expansion unit
Including:
Extension performs subelement, treats clipping region described in receiving from described instruction resolution unit
In image, treat that the left hand edge of image extends to described standard picture district in clipping region by described
Territory；Treat that the right hand edge of image extends to described standard picture region in clipping region by described, will
Described treat that the top edge of image extends to described standard picture region in clipping region, treats described
In clipping region, the lower limb of image extends to described standard picture region, and by after described extension
Image send to image coding unit；
Records of values unit, for treating the left and right, upper and lower of cutting image described in record respectively
The spreading parameter in border extended extremely described standard picture region.
Fourth aspect, it is provided that a kind of reception device, described reception device includes:
Receive unit, the image code stream after receiving coding and spreading parameter；
Image restoring unit, for according to the image code stream after described coding and described spreading parameter
Carry out image restoring.
In the implementation that the first is possible, in conjunction with fourth aspect, described image restoring unit
Including:
Decoding subelement, for the image code stream after described coding is decoded process, obtains
Image after extension；
Also atomic unit, for according to described spreading parameter, respectively to the image after described extension
Carry out the reduction treatment at edge left and right, upper and lower, and the image after being reduced.
The embodiment of the present invention provides the implementation method of a kind of electronic platform, and transmitting terminal receives user and refers to
Order, and according to the image location information in instruction, image is carried out cutting, obtain the figure after cutting
Picture, and then the image spreading after cutting obtains comprising the standard picture region in region to be reduced,
Image after extension is encoded, and the code stream after coding and spreading parameter are sent to user
Equipment, in order to after code stream is decoded by subscriber equipment, obtains original sanction in conjunction with spreading parameter
Cut image.Make user when mobile monitor region, it is possible to move with less unit,
Thus obtain the effect of smoothness, promote Consumer's Experience.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below
The accompanying drawing used required in embodiment or description of the prior art will be briefly described, aobvious and
Easily insight, the accompanying drawing in describing below is only some embodiments of the present invention, for this area
From the point of view of those of ordinary skill, on the premise of not paying creative work, it is also possible to according to these
Accompanying drawing obtains other accompanying drawing.
Fig. 1 provides the schematic diagram of the implementation method of a kind of electronic platform for the embodiment of the present invention；
Fig. 2 provides the schematic diagram of a kind of user's method of reseptance for the embodiment of the present invention；
Fig. 3 provides the schematic diagram of the implementation method of another kind of electronic platform for the embodiment of the present invention；
Fig. 4 provides the schematic diagram of the implementation method of another kind of electronic platform for the embodiment of the present invention；
The schematic diagram of the extended area that Fig. 5 provides for the embodiment of the present invention；
Fig. 6 provides the schematic diagram of a kind of user's method of reseptance for the embodiment of the present invention；
Fig. 7 provides the schematic diagram of a kind of headend equipment for the embodiment of the present invention；
Fig. 8 provides the schematic diagram of a kind of headend equipment for the embodiment of the present invention；
Fig. 9 provides the schematic diagram of a kind of headend equipment for the embodiment of the present invention；
Figure 10 provides a kind of schematic diagram receiving device for the present invention；
Figure 11 provides the structural representation of a kind of headend equipment for the embodiment of the present invention；
Figure 12 provides a kind of structural representation receiving device for the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical side in the embodiment of the present invention
Case is clearly and completely described, it is clear that described embodiment is only the present invention one
Divide embodiment rather than whole embodiments.Based on the embodiment in the present invention, this area is general
The every other embodiment that logical technical staff is obtained under not making creative work premise,
Broadly fall into the scope of protection of the invention.
The embodiment of the present invention provides the implementation method of a kind of electronic platform, based on transmitting terminal, described
Transmitting terminal can be remote camera, as it is shown in figure 1, the method includes:
101, obtaining acquired original image, described acquired original image is that remote camera was through the past
Make an uproar, enhanced image.
102, receive cutting instruction and treat cutting according to cutting instruction acquisition in acquired original image
Region, described in treat that clipping region is the region that subscriber equipment is specified.
103, the range expansion treating clipping region is obtained the standard picture comprising described reduction region
Region, and record spreading parameter, described standard picture region is the image district of conformance with standard agreement
Territory.
104, the image in described standard picture region is encoded, the image after being encoded
Code stream.
105, the image code stream after coding and spreading parameter are sent to subscriber equipment.
Corresponding, the embodiment of the present invention provides a kind of user's method of reseptance, based on subscriber equipment end,
As in figure 2 it is shown, the method includes:
201, the image code stream after coding and spreading parameter are received.
202, image restoring is carried out according to the image code stream after coding and spreading parameter.
The embodiment of the present invention provides the implementation method of a kind of electronic platform, and transmitting terminal receives user and refers to
Order, and according to the image location information in instruction, image is carried out cutting, obtain the figure after cutting
Picture, and then the image spreading after cutting obtains comprising the standard picture region in region to be reduced,
Image after extension is encoded, and the code stream after coding and spreading parameter are sent to user
Equipment, in order to after code stream is decoded by subscriber equipment, obtains original sanction in conjunction with spreading parameter
Cut image.Make user when mobile monitor region, it is possible to move with less unit,
Thus obtain the effect of smoothness, promote Consumer's Experience.
In order to enable those skilled in the art to be more clearly understood that the skill that the embodiment of the present invention provides
Art scheme, below by specific embodiment, the another kind of electronics providing the embodiment of the present invention
The method that The Cloud Terrace realizes is described in detail.
The embodiment of the present invention provides the implementation method of another kind of electronic platform, and the method includes:
301, acquired original image is obtained.
302, the range expansion treating clipping region is obtained the standard picture comprising described reduction region
Region, and record spreading parameter.
As it is shown on figure 3, step 302 specifically includes:
3021, receiving the cutting instruction that subscriber equipment is sent by network, cutting instruction includes using
What family was specified treats the information of clipping region.
3022, resolve cutting instruction, and determine in acquired original image according to cutting and treat cutting
Region.
Detailed, determine that the process treating clipping region is by treating Crop Area in original image
The positional information in territory carries out what location realized.
303, by the figure after the image spreading in clipping region is expanded to standard picture region
Picture, and record spreading parameter.
As shown in Figure 4, step 303 specifically includes:
3031, will treat that the left hand edge of image extends to standard picture region in clipping region, will treat
In clipping region, the right hand edge of image extends to standard picture region, will treat image in clipping region
Top edge extend to standard picture region, will treat that the lower limb of image extends in clipping region
Standard picture region.
Exemplary, in the B region shown in Fig. 5, the standard picture region expanded to for needs,
The picture position residing for edge left and right, upper and lower in this standard picture region, all with 16pix's
Position overlaps, the most in physical memory, owing to 1pix image information takies depositing of 1byte
Storage space is put, and the physical address at B area image place just overlaps with 16byte, thus meets network
The requirement of encoder in video camera (Internet Protocol Camera, IPC), in order to IPC compiles
Image after extension is encoded by code device.
3032, record treats that the border extended left and right, upper and lower of cutting image is to standard drawing respectively
Spreading parameter as region.
Exemplary, agreement H.264 in, it is possible to use the cutting CROP function in agreement,
Make left end extension Offset_left, right-hand member extension Offset_right, top extension Offset_top,
Bottom extension tetra-parametric variables of Offset_bottom represent respectively treats that clipping region C extends to district
During the B of territory, edge left and right, upper and lower is respectively necessary for spreading parameter.
In Figure 5, when the image spreading in C region is to B region, standard picture region, left,
It is 8pix, 5pix, 11pix, 6pix that edge right, upper and lower is respectively necessary for spreading parameter, then
The numerical value that Offset_left, Offset_right, Offset_top, Offset_bottom are corresponding is respectively
8,5,11,6, then record the region B extension numerical value relative to region C for (8,5,
11,6).
304, the image after extension is encoded, the image code stream after being encoded.
Utilize IPC encoder that the image after extension is encoded, and obtain after coding completes,
Image code stream to be sent.
305, the image code stream after coding and spreading parameter are sent to subscriber equipment.
The embodiment of the present invention provides the implementation method of a kind of electronic platform, and transmitting terminal receives user and refers to
Order, and according to the image location information in instruction, image is carried out cutting, obtain the figure after cutting
Picture, and then the image spreading after cutting obtains comprising the standard picture region in region to be reduced,
Image after extension is encoded, and the code stream after coding and spreading parameter are sent to user
Equipment, in order to after code stream is decoded by subscriber equipment, obtains original sanction in conjunction with spreading parameter
Cut image.Make user when mobile monitor region, it is possible to move with less unit,
Thus obtain the effect of smoothness, promote Consumer's Experience.
The embodiment of the present invention provides a kind of user's method of reseptance, and the method includes:
401, the image code stream after coding and spreading parameter are received.
402, image restoring is carried out according to the image code stream after coding and spreading parameter.
Wherein, as shown in Figure 6, step 402 specifically includes:
4021, it is decoded processing to the image code stream after coding, the image after being expanded.
Concrete, utilize the decoder corresponding with the IPC encoder image code stream to receiving
It is decoded, and the image after being expanded.
4022, according to spreading parameter, respectively the image after extension is carried out left and right, upper and lower
The reduction treatment at edge, and the image after being reduced.
Concrete, according to spreading parameter, the edge left and right, upper and lower of the image after extension is divided
It is not returned to the position before extension.
Exemplary, the B region in Fig. 5 is recovered the position to C region, concrete:
According to numerical value corresponding for Offset_left, the left hand edge of image after extension is recovered to extension
Position；
According to numerical value corresponding for Offset_right, the right hand edge of image after extension is recovered to extension
Position；
According to numerical value corresponding for Offset_top, the top edge of image after extension is recovered to extension
Position；
According to numerical value corresponding for Offset_bottom, the lower limb of image after extension is recovered to extension
Front position.
The embodiment of the present invention provides a kind of user's method of reseptance, and transmitting terminal receives user instruction, and
According to the image location information in instruction, image is carried out cutting, obtain the image after cutting, enter
And the image spreading after cutting obtains comprising the standard picture region in region to be reduced, to extension
After image encode, and will coding after code stream and spreading parameter be sent to subscriber equipment,
So that after code stream is decoded by subscriber equipment, obtain original cutting image in conjunction with spreading parameter.
Make user when mobile monitor region, it is possible to move with less unit, thus obtain
Smooth effect, promotes Consumer's Experience.
The embodiment of the present invention provides a kind of headend equipment 01, as it is shown in fig. 7, the method includes:
Image acquisition unit 011, is used for obtaining acquired original image；
Instruction resolution unit 012, receives cutting instruction and instructs at acquired original image according to cutting
Clipping region is treated in middle acquisition；
Image expansion unit 013, obtains the range expansion treating clipping region to standard picture region
Image after extension, and record spreading parameter；
Image coding unit 014, for encoding, after being encoded the image after extension
Image code stream；
Code stream transmitting element 015, for sending the image code stream after coding and spreading parameter to using
Family equipment.
Wherein, as shown in Figure 8, instruction resolution unit 012 includes:
Command reception subelement 0121, the cutting sent by network for receiving user is instructed,
Cutting instruction includes the information treating clipping region that user specifies；
Instruction performs subelement 0122, is used for resolving cutting instruction, and according in cutting instruction
What user specified treat that the information of clipping region determines in acquired original image treats clipping region, and
The image treated in clipping region is sent to image expansion unit 013.
Further, as it is shown in figure 9, image expansion unit 013 includes:
Extension performs subelement 0131, treats clipping region for receiving from instruction resolution unit 012
In image, will treat that the top edge of image extends to standard picture region in clipping region；To treat
In clipping region, the lower limb of image extends to standard picture region；Image in clipping region will be treated
Left hand edge extend to standard picture region；To treat that the right hand edge of image extends in clipping region
Standard picture region；And the image after extension is sent to image coding unit 014；
Records of values unit 0132, treats the left and right, upper and lower of cutting image for record respectively
Border extended is to the spreading parameter in standard picture region.
A kind of headend equipment of embodiment of the present invention offer, transmitting terminal reception user instruction, and according to
Image location information in instruction carries out cutting to image, obtains the image after cutting, and then will
Image spreading after cutting obtains comprising the standard picture region in region to be reduced, after extension
Image encodes, and the code stream after coding and spreading parameter are sent to subscriber equipment, in order to
After code stream is decoded by subscriber equipment, obtain original cutting image in conjunction with spreading parameter.Make
Obtain user when mobile monitor region, it is possible to move with less unit, thus obtain stream
Smooth effect, promotes Consumer's Experience.
The present invention provides a kind of and receives device 02, and as shown in Figure 10, this device includes:
Receive unit 021, the image code stream after receiving coding and spreading parameter；
Image restoring unit 022, for carrying out figure according to the image code stream after coding and spreading parameter
As reduction.
Wherein, image restoring unit 022 includes:
Decoding subelement 0221, for being decoded processing to the image code stream after coding, obtains
Image after extension；
Also atomic unit 0222, for according to spreading parameter, carrying out the image after extension respectively
The reduction treatment at edge left and right, upper and lower, and the image after being reduced.
Embodiment of the present invention offer one reception device, transmitting terminal reception user instruction, and according to
Image location information in instruction carries out cutting to image, obtains the image after cutting, and then will
Image spreading after cutting obtains comprising the standard picture region in region to be reduced, after extension
Image encodes, and the code stream after coding and spreading parameter are sent to subscriber equipment, in order to
After code stream is decoded by subscriber equipment, obtain original cutting image in conjunction with spreading parameter.Make
Obtain user when mobile monitor region, it is possible to move with less unit, thus obtain stream
Smooth effect, promotes Consumer's Experience.
The embodiment of the present invention also provides for a kind of headend equipment 03, and as shown in figure 11, this device includes:
Bus 031, and it is connected to the processor 032 of bus 031, memorizer 033, receptor 034
With emitter 035；Memorizer 033 is used for storing instruction, and this processor 032 performs this instruction and uses
In obtaining acquired original image；This processor 032 performs this instruction and instructs also for receiving cutting
Obtain in acquired original image according to cutting instruction and treat clipping region；This processor 032 performs
This instruction is for by the figure after the range expansion of clipping region is expanded to standard picture region
Picture, and record spreading parameter；This processor 032 performs this instruction for the image after extension
Encode, the image code stream after being encoded；This processor 032 performs this instruction for inciting somebody to action
Image code stream and spreading parameter after coding send to subscriber equipment.
In embodiments of the present invention, optionally, this processor 032 performs this instruction for receiving
Cutting instruction also treats clipping region according to cutting instruction acquisition in acquired original image, including:
Receiving the cutting that user sent by network to instruct, cutting instructs and includes that what user specified treats
The information of clipping region；
Parsing cutting instructs, and the letter treating clipping region specified according to the user in cutting instruction
Breath determines in acquired original image treats clipping region.
In embodiments of the present invention, optionally, this processor 032 performs this instruction for treating
Image spreading in clipping region be expanded to standard picture region after image, and record expansion
Exhibition parameter includes:
To treat that the top edge of image extends to standard picture region in clipping region, will treat Crop Area
In territory, the lower limb of image extends to standard picture region, will treat the left side of image in clipping region
Edge extends to standard picture region, will treat that the right hand edge of image extends to standard drawing in clipping region
As region；
Record treats that the border extended left and right, upper and lower of cutting image is to standard picture region respectively
Spreading parameter.
Therefore, the headend equipment 03 of the embodiment of the present invention, receive user instruction by transmitting terminal,
And according to the image location information in instruction, image is carried out cutting, obtain the image after cutting,
And then the image spreading after cutting is obtained comprising the standard picture region in region to be reduced, to expansion
Image after exhibition encodes, and the code stream after coding and spreading parameter are sent to subscriber equipment,
So that after code stream is decoded by subscriber equipment, obtain original cutting image in conjunction with spreading parameter.
So that user is when mobile monitor region, it is possible to move with less unit, thus
Obtain smooth effect, promote Consumer's Experience.
The embodiment of the present invention also provides for a kind of reception device 04, as shown in figure 12, this device 04
Including: bus 041；And be connected to the processor 042 of bus 041, memorizer 043, connect
Receiving device 044 and emitter 045, wherein memorizer 043 is used for storing instruction, this processor 042
Perform this instruction image code stream after receiving coding and spreading parameter；This processor 042 is held
This instruction of row is for carrying out image restoring according to the image code stream after coding and spreading parameter.
In embodiments of the present invention, optionally, this processor 042 performs this instruction for basis
Image code stream and spreading parameter after coding carry out image restoring and include:
It is decoded processing to the image code stream after coding, the image after being expanded；
According to spreading parameter, respectively the image after extension is carried out edge left and right, upper and lower
Reduction treatment, and the image after being reduced.
Therefore, the reception device of the embodiment of the present invention, receive user instruction by transmitting terminal, and
According to the image location information in instruction, image is carried out cutting, obtain the image after cutting, enter
And the image spreading after cutting obtains comprising the standard picture region in region to be reduced, to extension
After image encode, and will coding after code stream and spreading parameter be sent to subscriber equipment,
So that after code stream is decoded by subscriber equipment, obtain original cutting image in conjunction with spreading parameter.
So that user is when mobile monitor region, it is possible to move with less unit, thus
Obtain smooth effect, promote Consumer's Experience.
In several embodiments provided herein, it should be understood that disclosed method and dress
Put, can realize by another way.Such as, device embodiment described above is only
It is schematic, such as, the division of described unit, it is only a kind of logic function and divides, real
Can have when border realizes other dividing mode, the most multiple unit or assembly can in conjunction with or
It is desirably integrated into another system, or some features can be ignored, or do not perform.Another point,
Shown or discussed coupling each other or direct-coupling or communication connection can be by one
A little interfaces, device or the INDIRECT COUPLING of unit or communication connection, can be electrical, machinery or its
Its form.
The described unit illustrated as separating component can be or may not be physically separate
, the parts shown as unit can be or may not be physical location, i.e. can position
In a place, or can also be distributed on multiple NE.Can be according to actual need
Select some or all of unit therein to realize the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a process
In unit, it is also possible to be that the independent physics of unit includes, it is also possible to two or more are single
Unit is integrated in a unit.Above-mentioned integrated unit both can realize to use the form of hardware,
The form that hardware can also be used to add SFU software functional unit realizes.
The above-mentioned integrated unit realized with the form of SFU software functional unit, can be stored in one
In computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium,
Including some instructions with so that computer equipment (can be personal computer, server,
Or the network equipment etc.) perform the part steps of method described in each embodiment of the present invention.And it is front
The storage medium stated includes: USB flash disk, portable hard drive, read only memory (Read-Only Memory,
Be called for short ROM), random access memory (Random Access Memory, be called for short RAM),
The various medium that can store program code such as magnetic disc or CD.
Claims (6)
1. the implementation method of an electronic platform, it is characterised in that described method includes:
Obtain acquired original image；
Receive cutting instruction and treat clipping region according to described cutting instruction acquisition in acquired original image；
Treat the standard picture region of clipping region described in the described range expansion treating clipping region being comprised, and record spreading parameter；
Image in described standard picture region is encoded, the image code stream after being encoded；
Image code stream after described coding and described spreading parameter are sent to subscriber equipment.
Method the most according to claim 1, it is characterised in that according to described cutting instruction acquisition in acquired original image, described reception cutting instruction also treats that clipping region includes:
Receiving the described cutting instruction that subscriber equipment is sent by network, described cutting instruction includes the information treating clipping region that described subscriber equipment is specified；
Resolve described cutting instruction, and the information treating clipping region specified of described subscriber equipment in instructing according to described cutting determines in described acquired original image and treats clipping region.
Method the most according to claim 1, it is characterised in that described the range expansion treating clipping region is comprised described in treat the standard picture region of clipping region, and record spreading parameter and include:
Treat that the left hand edge of image extends to described standard picture region in clipping region by described, treat that the right hand edge of image extends to described standard picture region in clipping region by described, treat that the top edge of image extends to described standard picture region in clipping region by described, treat that the lower limb of image extends to described standard picture region in clipping region by described；
The border extended left and right, the upper and lower spreading parameter to described standard picture region of cutting image is treated respectively described in record.
4. a headend equipment, it is characterised in that described headend equipment includes:
Image acquisition unit, is used for obtaining acquired original image；
Instruction resolution unit, is used for receiving cutting instruction and treating clipping region according to described cutting instruction acquisition in acquired original image；
Image expansion unit, the image after the described range expansion until clipping region is expanded to standard picture region, and record spreading parameter；
Image coding unit, for the image in described standard picture region is encoded, the image code stream after being encoded；
Code stream transmitting element, for sending the image code stream after described coding and described spreading parameter to subscriber equipment.
Headend equipment the most according to claim 4, it is characterised in that described instruction resolution unit includes:
Command reception subelement, the described cutting sent by network for receiving subscriber equipment is instructed, and described cutting instruction includes the information treating clipping region that described subscriber equipment is specified；
Instruction performs subelement, for resolving described cutting instruction, and the information treating clipping region specified of described subscriber equipment in instructing according to described cutting determines in described acquired original image and treats clipping region, and the described image treated in clipping region is sent to image expansion unit.
Headend equipment the most according to claim 4, it is characterised in that described image expansion unit includes:
Extension performs subelement, image in treating clipping region from described instruction resolution unit described in receiving, treat that the left hand edge of image extends to described standard picture region in clipping region by described, treat that the right hand edge of image extends to described standard picture region in clipping region by described, treat that the top edge of image extends to described standard picture region in clipping region by described, treat that the lower limb of image extends to described standard picture region in clipping region by described, and the image after described extension is sent to image coding unit；
Records of values unit, for treating the border extended left and right, the upper and lower spreading parameter to described standard picture region of cutting image described in record respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310057136.1A CN103152550B (en) | 2013-02-22 | 2013-02-22 | The implementation method of a kind of electronic platform, headend equipment and reception device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310057136.1A CN103152550B (en) | 2013-02-22 | 2013-02-22 | The implementation method of a kind of electronic platform, headend equipment and reception device |
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| CN104301596B (en) * | 2013-07-11 | 2018-09-25 | 炬芯（珠海）科技有限公司 | A kind of method for processing video frequency and device |
| CN104639979A (en) * | 2013-11-15 | 2015-05-20 | 深圳市快播科技有限公司 | Video sharing method and system |
| CN103747210A (en) * | 2013-12-31 | 2014-04-23 | 深圳市佳信捷技术股份有限公司 | Method and device for data processing of video monitoring system |
| CN106803959B (en) * | 2017-02-28 | 2019-12-27 | 腾讯科技（深圳）有限公司 | Video image encoding method, video image decoding method, video image encoding apparatus, video image decoding apparatus, and readable storage medium |
| CN113596449B (en) * | 2019-06-05 | 2023-11-03 | 西安万像电子科技有限公司 | Image processing method and device |
| CN114245133A (en) * | 2022-02-23 | 2022-03-25 | 北京拙河科技有限公司 | Video block coding method, coding transmission method, system and equipment |
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| CN102447887A (en) * | 2011-10-14 | 2012-05-09 | 深圳市先河系统技术有限公司 | Method and device for changing image length-width ratio in video signals of security system |
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