CN106851212A - A kind of panoramic video distribution method and system based on user personality - Google Patents

Abstract

The present invention discloses a kind of panoramic video distribution method based on user personality and system.Belong to panoramic video distribution technology field, the inventive method watches the continuity of characteristic using user, multichannel code stream to panoramic video splicing carries out self adaptation distribution, so that panoramic video can on demand distribute code stream in network congestion, the viewing effect of spectators is not being influenceed, while lifting the fluency that panoramic video is played.

Description

A kind of panoramic video distribution method and system based on user personality

Technical field

The present invention relates to panoramic video distribution technology field, more particularly to a kind of panoramic video distribution based on user personality Method and system.

Background technology

Panoramic video is while comprehensive visual information is provided, using the teaching of the invention it is possible to provide dynamic video information in real time, makes Obtain one can see that the whole dynamic scene being looped around around video camera.Panorama sketch is typically all the image of big resolution ratio, it Generation need substantial amounts of evaluation work.And panoramic video compares panorama sketch, a new time dimension is increased.Therefore, count Calculation amount and data volume all would is that several times in panorama sketch, the operating efficiency of this disposal ability and software systems to hardware system All it is greatly challenge.And when the code stream of panoramic video is distributed transmission, the bandwidth to network will form very big ground pressure, The mobile network extremely limited to bandwidth, even more greatly challenges.

The content of the invention

The purpose of the embodiment of the present invention is to propose a kind of panoramic video distribution method based on user personality, it is intended to solved Prior art when the code stream of panoramic video is distributed transmission, the excessive problem of network bandwidth pressure.

The embodiment of the present invention is achieved in that a kind of panoramic video distribution method based on user personality, methods described Including：

Step A：Panoramic video multichannel is spliced into code stream, is arranged by camera acquisition visual angle order, after then sorting Panoramic video multichannel splicing code stream sequence be designated as { stream₁,stream₂,...,stream_N-1,stream_N, it is corresponding to take the photograph As head collection multiview sequence is designated as { θ₁,θ₂,...,θ_N-1,θ_N}；

Step B：Send const seconds panoramic video multichannel code stream stream_n；

Step C：In const seconds time window, the mark visual angle in the time window is sent

Step D：If panoramic video multichannel code stream stream_nCode stream in n-th t+1 time windows is present, then into step E；Otherwise, the distribution of panoramic video multichannel code stream is terminated；

Step E：IfIn the presence of then into step F；Otherwise, then nt=nt+1 is made, const is determined, Value, reenter step B；

Step F：If user's inertial parameter sign_useAbsolute value is equal to 1, then do not calculate user's inertial parameter sign_use, directly Tap into step G；Otherwise, then user's inertial parameter sign is calculated first_use, subsequently into step G；

Step G：According to user's inertial parameter sign_use, self adaptation distribution panoramic video multichannel code stream；

Step H：Nt=nt+1 is made, const is determined,Value, reenter step C.

Wherein, stream_nN-th splicing code stream after camera acquisition visual angle order is arranged is pressed in expression, and N represents splicing code The number of stream, n=1,2 ..., N；θ_nRepresent stream_nCorresponding camera acquisition visual angle；

Const represents time window duration parameters；Nt represents time window label；Referred to as n-th t time window mark is regarded Angle,Referred to as n-th t-1 time window mark visual angle；Represent respectively n-th t time window time upper limit and when Between lower limit.

The another object of the embodiment of the present invention is to propose a kind of panoramic video dissemination system based on user personality, described System includes：

Splicing code stream arrangement module, for panoramic video multichannel to be spliced into code stream, is arranged by camera acquisition visual angle order, Then the panoramic video multichannel splicing code stream sequence for sorting later is designated as

{stream₁,stream₂,...,stream_N-1,stream_N, corresponding camera collection multiview sequence is designated as {θ₁,θ₂,...,θ_N-1,θ_N}；

Code stream sending module, for sending const seconds panoramic video multichannel code stream stream_n；

Mark visual angle sending module, in const seconds time window, sending the mark visual angle in the time window

First judging treatmenting module, if for judging panoramic video multichannel code stream stream_nIn n-th t+1 time windows Code stream is present, then into the second judging treatmenting module；Otherwise, the distribution of panoramic video multichannel code stream is terminated；

Second judging treatmenting module, if for judgingIn the presence of then into the 3rd judging treatmenting module；Otherwise, then Into making the first setup module；

First setup module, for setting nt=nt+1, determines const,Value, reenter code stream transmission Module；

3rd judging treatmenting module, if for judging user's inertial parameter sign_useAbsolute value is equal to 1, then be directly entered Code stream self adaptation dispensing device；Otherwise enter access customer inertial parameter computing module；

User's inertial parameter computing module, for calculating user's inertial parameter sign first_use, it is adaptive subsequently into code stream Answer dispensing device；

Code stream self adaptation dispensing device, for according to user's inertial parameter sign_use, self adaptation distribution panoramic video multichannel Code stream；

Second setup module, for making nt=nt+1, determines const,Value, reenter mark visual angle hair Send module；

Wherein, stream_nN-th splicing code stream after camera acquisition visual angle order is arranged is pressed in expression, and N represents splicing code The number of stream, n=1,2 ..., N；θ_nRepresent stream_nCorresponding camera acquisition visual angle；

Const represents time window duration parameters；Nt represents time window label；Referred to as n-th t time window mark is regarded Angle,Referred to as n-th t-1 time window mark visual angle；Represent respectively n-th t time window time upper limit and when Between lower limit.

Beneficial effects of the present invention

The present invention proposes a kind of panoramic video distribution method and system based on user personality.The inventive method utilizes user The continuity of characteristic is watched, the multichannel code stream to panoramic video splicing carries out self adaptation distribution.So that panoramic video can be Distribute code stream during network congestion on demand, the viewing effect of spectators is not being influenceed, while lifting the fluency that panoramic video is played.

Brief description of the drawings

Fig. 1 is a kind of panoramic video distribution method flow chart based on user personality of the preferred embodiment of the present invention；

Fig. 2 is the method detailed flow chart of Step6 in Fig. 1；

Fig. 3 is a kind of panoramic video dissemination system mechanism map based on user personality of the preferred embodiment of the present invention；

Fig. 4 is code stream self adaptation dispensing device detailed structure view in Fig. 3.

Specific embodiment

In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated, and for convenience of description, illustrate only the part related to the embodiment of the present invention.Should manage Solution, the specific embodiment that this place is described is used only for explaining the present invention, is not intended to limit the invention.

The embodiment of the present invention proposes a kind of panoramic video distribution method and system based on user personality.The embodiment of the present invention Method watches the continuity of characteristic using user, and the multichannel code stream to panoramic video splicing carries out self adaptation distribution.So that Panoramic video can on demand distribute code stream in network congestion, the viewing effect of spectators not influenceed, while lift panoramic video broadcasting The fluency put.

Embodiment one

Fig. 1 is a kind of panoramic video distribution method flow chart based on user personality of the preferred embodiment of the present invention；The side Method is comprised the following steps：

Step0：Panoramic video multichannel is spliced into code stream, is arranged by camera acquisition visual angle order, after then sorting Panoramic video multichannel splicing code stream sequence be designated as

{stream₁,stream₂,...,stream_N-1,stream_N, corresponding camera collection multiview sequence is designated as {θ₁,θ₂,...,θ_N-1,θ_N}。

Wherein, stream_nN-th splicing code stream after camera acquisition visual angle order is arranged is pressed in expression, and N represents splicing code The number of stream, n=1,2 ..., N；θ_nRepresent stream_nCorresponding camera acquisition visual angle；" press camera acquisition visual angle sequentially Arrangement " can be arranged by ascending order, can also be arranged in descending order, for convenience of stating, ascending order pattern of rows and columns, i.e. θ be used in text₁<θ₂ <......<θ_N-1<θ_N。

Step1：Send const seconds panoramic video multichannel code stream stream_n, n=1,2 ..., N.

Wherein,Const represents time window duration parameters；t₀Represent that transmission code stream is initial Buffering duration, it is general desirable 3-6 seconds；t_cRepresent and send bit stream buffer duration；Nt represents time window label, and initial value is 1.

Step2：In const seconds time window, the mark visual angle in the time window is sent

Wherein,Referred to as n-th t time window mark visual angle,Represent n-th t visual angle of time window Upper and lower bound, Max (variable | condition) is represented to asking the variable for meeting condition to minimize respectively, maximum；When t is represented Between variable；N-th t the time upper limit and time lower limit of time window are represented respectively,

Step3：If panoramic video multichannel code stream stream_nCode stream in (n=1,2 ..., N) n-th t+1 time windows is deposited Then into Step4；Otherwise, the distribution of panoramic video multichannel code stream is terminated.

Step4：IfIn the presence of then into Step5；Otherwise, then nt=nt+1 is made, const is determined,'s Value, reenters Step1.

Wherein,Referred to as n-th t-1 time window mark visual angle.

Step5：If user's inertial parameter sign_useAbsolute value is equal to 1, then do not calculate user's inertial parameter sign_use, directly Tap into Step6；Otherwise, then user's inertial parameter sign is calculated first_use, subsequently into Step6.

" calculate user's inertial parameter sign_use" method it is as follows：

Step 1：IfAndThen make tempu=tempu+ 1；Else ifAndThen make tempd=tempd+1；Otherwise, directly Tap into step 2；

Step 2：Calculate

Wherein, Thres₁、Thres₂First, second decision threshold is represented respectively；Abs (variable) is represented and is asked absolute to variable Value；Tempu, tempd represent first, second angular transformation statistic respectively, and initial value is 0；sign_useRepresent user's inertia Parameter, initial value is 0.

Step6：According to user's inertial parameter sign_use, self adaptation distribution panoramic video multichannel code stream.

Fig. 2 is the method detailed flow chart of Step6 in Fig. 1；Specifically include following steps：

Step61：Angle difference sequence is calculated, is designated as

Step62：D θ are calculated first_minu=min (d θ_n|dθ_n>0, n=1,2 ..., N), then find d θ_minuIt is corresponding Camera acquisition angle, is designated as θ_now, corresponding code stream is designated as stream_now；dθ_minuIt is temporary variable；

Step63：By stream_nowAnd stream_nowCode stream order afterwards is put into right side code stream sequence table, is designated as Tableu={ stream_now,stream_now+1,stream_now+2,...,stream_N, then by stream_nowCode stream before falls Sequence is put into left side code stream sequence table, is designated as tabled={ stream_now-1,stream_now-2,stream_now-3,...,stream₁}

Step64：If sign_use=1, then build the distribution sequence table of panoramic video multichannel code stream by first direction；Otherwise, If sign_use=-1, then build the distribution sequence table of panoramic video multichannel code stream by second direction；Otherwise, built by third direction Panoramic video multichannel code stream distributes sequence table.

Wherein, " first direction is pressed and builds panoramic video multichannel code stream distribution sequence table " method as follows：

According to the numd structure law of tabled code streams after first numu tableu code streams, panoramic video multichannel code is built Stream distribution sequence table, wherein requiring numu>Numd, illustrates：Numu=2, numd=1

" building panoramic video multichannel code stream distribution sequence table by second direction " method is as follows：

According to the numu structure law of tableu code streams after first numd tabled code streams, panoramic video multichannel code is built Stream distribution sequence table, wherein requiring numd>Numu, illustrates：Numd=2, numu=1

" press third direction and build panoramic video multichannel code stream distribution sequence table " method is as follows：

According to 1 structure law of tableu code streams after first 1 tabled code stream, the distribution of panoramic video multichannel code stream is built Sequence table or according to first 1 structure law of tabled code streams after 1 tableu code stream, builds panoramic video multichannel code stream point Hair sequence table；Illustrate：

Step65：Distribute the order of sequence table by panoramic video multichannel code stream, panoramic video multichannel code stream pair is sent successively Answer the code stream in nt+1 time windows.

Step7：Nt=nt+1 is made, const is determined,Value, reenter Step2.

Embodiment two

Fig. 3 is a kind of panoramic video dissemination system mechanism map based on user personality of the preferred embodiment of the present invention；The system System includes：

Splicing code stream arrangement module, for panoramic video multichannel to be spliced into code stream, is arranged by camera acquisition visual angle order, Then the panoramic video multichannel splicing code stream sequence for sorting later is designated as

{stream₁,stream₂,...,stream_N-1,stream_N, corresponding camera collection multiview sequence is designated as {θ₁,θ₂,...,θ_N-1,θ_N}。

Wherein, stream_nN-th splicing code stream after camera acquisition visual angle order is arranged is pressed in expression, and N represents splicing code The number of stream, n=1,2 ..., N；θ_nRepresent stream_nCorresponding camera acquisition visual angle；" press camera acquisition visual angle sequentially Arrangement " can be arranged by ascending order, can also be arranged in descending order, for convenience of stating, ascending order pattern of rows and columns, i.e. θ be used in text₁<θ₂ <......<θ_N-1<θ_N。

Code stream sending module, for sending const seconds panoramic video multichannel code stream stream_n, n=1,2 ..., N.

Wherein,Const represents time window duration parameters；t₀Represent that transmission code stream is initial Buffering duration, it is general desirable 3-6 seconds；t_cRepresent and send bit stream buffer duration；Nt represents time window label, and initial value is 1.

Mark visual angle sending module, in const seconds time window, the mark sent in the time window to be regarded

Angle

Wherein,Referred to as n-th t time window mark visual angle,Represent n-th t visual angle of time window Upper and lower bound, Max (variable | condition) is represented to asking the variable for meeting condition to minimize respectively, maximum；T represents the time Variable；N-th t the time upper limit and time lower limit of time window are represented respectively,

First judging treatmenting module, if for judging panoramic video multichannel code stream stream_n(n=1,2 ..., N) the Code stream in nt+1 time windows is present, then into the second judging treatmenting module；Otherwise, dividing for panoramic video multichannel code stream is terminated Hair.

Second judging treatmenting module, if for judgingIn the presence of then into the 3rd judging treatmenting module；Otherwise, then Into making the first setup module；

Wherein,Referred to as n-th t-1 time window mark visual angle.

First setup module, for setting nt=nt+1, determines const,Value, reenter code stream transmission Module.

3rd judging treatmenting module, if for judging user's inertial parameter sign_useAbsolute value is equal to 1, then be directly entered Code stream self adaptation dispensing device；Otherwise enter access customer inertial parameter computing module；

User's inertial parameter computing module, for calculating user's inertial parameter sign first_use, it is adaptive subsequently into code stream Answer dispensing device.

" calculate user's inertial parameter sign_use" method it is as follows：

Step 1：IfAndThen make tempu=tempu+ 1；Else ifAndThen make tempd=tempd+1；Otherwise, directly Tap into step 2；

Step 2：Calculate

Wherein, Thres₁、Thres₂First, second decision threshold is represented respectively；Abs (variable) is represented and is asked absolute to variable Value；Tempu, tempd represent first, second angular transformation statistic respectively, and initial value is 0；sign_useRepresent user's inertia Parameter, initial value is 0.

Code stream self adaptation dispensing device, for according to user's inertial parameter sign_use, self adaptation distribution panoramic video multichannel Code stream.

Second setup module, for making nt=nt+1, determines const,Value, reenter mark visual angle hair Send module.

Further, Fig. 4 is code stream self adaptation dispensing device detailed structure view in Fig. 3, the code stream self adaptation distribution dress Putting also includes：

Angle difference sequence computing module, for calculating angle difference sequence, is designated asN=1,2 ..., N；

Interim camera acquisition angle and correspondence code stream acquisition module, for calculating d θ first_minu=min (d θ_n|dθ_n>0, N=1,2 ..., N), then find d θ_minuCorresponding camera acquisition angle, is designated as θ_now, corresponding code stream is designated as stream_now；dθ_minuIt is temporary variable；

Code stream sequence table setup module, for by stream_nowAnd stream_nowCode stream order afterwards is put into right side code stream Sequence table, is designated as

Tableu={ stream_now,stream_now+1,stream_now+2,...,stream_N, then by stream_nowBefore Code stream inverted order be put into left side code stream sequence table, be designated as

Tabled={ stream_now-1,stream_now-2,stream_now-3,...,stream₁}

Code stream distribution sequence table builds module, if for sign_use=1, then build panoramic video multichannel by first direction Code stream distributes sequence table；Otherwise, if sign_use=-1, then build panoramic video multichannel code stream distribution sequence by second direction Table；Otherwise, the distribution sequence table of panoramic video multichannel code stream is built by third direction.

Wherein, " first direction is pressed and builds panoramic video multichannel code stream distribution sequence table " method as follows：

According to the numd structure law of tabled code streams after first numu tableu code streams, panoramic video multichannel code is built Stream distribution sequence table, wherein requiring numu>Numd, illustrates：Numu=2, numd=1

" building panoramic video multichannel code stream distribution sequence table by second direction " method is as follows：

According to the numu structure law of tableu code streams after first numd tabled code streams, panoramic video multichannel code is built Stream distribution sequence table, wherein requiring numd>Numu, illustrates：Numd=2, numu=1

" press third direction and build panoramic video multichannel code stream distribution sequence table " method is as follows：

According to 1 structure law of tableu code streams after first 1 tabled code stream, the distribution of panoramic video multichannel code stream is built Sequence table or according to first 1 structure law of tabled code streams after 1 tableu code stream, builds panoramic video multichannel code stream point Hair sequence table；Illustrate：

Table={ stream_now,stream_now-1,

stream_now+1,stream_now-2,

,...,}

Code stream sending module, the order for distributing sequence table by panoramic video multichannel code stream, sends panoramic video successively Code stream in multichannel code stream correspondence nt+1 time windows.

It will be understood by those skilled in the art that all or part of step in realizing above-described embodiment method is can With what is completed by programmed instruction related hardware, described program can be stored in a computer read/write memory medium, Described storage medium can be ROM, RAM, disk, CD etc..

Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.

Claims (11)

1. a kind of panoramic video distribution method based on user personality, it is characterised in that methods described includes：

Step A：Panoramic video multichannel is spliced into code stream, is arranged by camera acquisition visual angle order, then will sorted later complete Scape multi-channel video splicing code stream sequence is designated as { stream₁,stream₂,...,stream_N-1,stream_N, corresponding camera Collection multiview sequence is designated as { θ₁,θ₂,...,θ_N-1,θ_N}；

Step B：Send const seconds panoramic video multichannel code stream stream_n；

Step C：In const seconds time window, the mark visual angle in the time window is sent

Step D：If panoramic video multichannel code stream stream_nCode stream in n-th t+1 time windows is present, then into step E；It is no Then, the distribution of panoramic video multichannel code stream is terminated；

Step E：IfIn the presence of then into step F；Otherwise, then nt=nt+1 is made, const is determined,Value, Reenter step B；

Step F：If user's inertial parameter sign_useAbsolute value is equal to 1, then do not calculate user's inertial parameter sign_use, directly enter Enter step G；Otherwise, then user's inertial parameter sign is calculated first_use, subsequently into step G；

Step G：According to user's inertial parameter sign_use, self adaptation distribution panoramic video multichannel code stream；

Step H：Nt=nt+1 is made, const is determined,Value, reenter step C.

Wherein, stream_nN-th splicing code stream after camera acquisition visual angle order is arranged is pressed in expression, and N represents splicing code stream Number, n=1,2 ..., N；θ_nRepresent stream_nCorresponding camera acquisition visual angle；

Const represents time window duration parameters；Nt represents time window label；Referred to as n-th t time window mark visual angle, Referred to as n-th t-1 time window mark visual angle；N-th t the time upper limit and time lower limit of time window are represented respectively.

2. the panoramic video distribution method of user personality is based on as claimed in claim 1, it is characterised in that

Wherein,t₀Represent and send code stream initial buffer duration, scope takes 3-6 seconds；t_cRepresent hair Send bit stream buffer duration.

3. the panoramic video distribution method of user personality is based on as claimed in claim 1, it is characterised in that

${\mathrm{\&theta;}}_{nt}^{mid}=({\mathrm{\&theta;}}_{nt}^{low}+{\mathrm{\&theta;}}_{nt}^{up})/2,$

Wherein,N-th t visual angle upper and lower bound of time window is represented, Min (variable | condition), max (variable | condition) represent the variable that condition is met to asking respectively Minimize, maximum；T represents time variable；

4. the panoramic video distribution method of user personality is based on as claimed in claim 1, it is characterised in that described " to calculate and use Family inertial parameter sign_use" method it is as follows：

Step a：IfAndThen make

Tempu=tempu+1；Else ifAndThen make

Tempd=tempd+1；Otherwise, it is directly entered step a；

Step b：Calculate

Wherein, Thres₁、Thres₂First, second decision threshold is represented respectively；Abs (variable) is represented and is sought absolute value to variable； Tempu, tempd represent first, second angular transformation statistic respectively, and initial value is 0；sign_useRepresent user's inertia ginseng Number, initial value is 0.

5. the panoramic video distribution method of user personality is based on as claimed in claim 1, it is characterised in that described according to user Inertial parameter sign_use, self adaptation distribution panoramic video multichannel code stream be specially：

Angle difference sequence is calculated, is designated asN=1,2 ..., N；

D θ are calculated first_minu=min (d θ_n|dθ_n>0, n=1,2 ..., N), then find d θ_minuCorresponding camera acquisition angle Degree, is designated as θ_now, corresponding code stream is designated as stream_now；dθ_minuIt is temporary variable；

By stream_nowAnd stream_nowCode stream order afterwards is put into right side code stream sequence table, is designated as tableu= {stream_now,stream_now+1,stream_now+2,...,stream_N, then by stream_nowCode stream inverted order before is put into a left side Side code stream sequence table, is designated as tabled={ stream_now-1,stream_now-2,stream_now-3,...,stream₁}

If judging sign_use=1, then build the distribution sequence table of panoramic video multichannel code stream by first direction；Otherwise, if sign_use=-1, then build the distribution sequence table of panoramic video multichannel code stream by second direction；Otherwise, panorama is built by third direction Multi-channel video code stream distributes sequence table；

Distribute the order of sequence table by panoramic video multichannel code stream, panoramic video multichannel code stream correspondence nt+1 time windows are sent successively Interior code stream.

6. the panoramic video distribution method of user personality is based on as claimed in claim 5, it is characterised in that

" press first direction and the build panoramic video multichannel code stream distribution sequence table " method is as follows：

According to the numd structure law of tabled code streams after first numu tableu code streams, panoramic video multichannel code stream point is built Hair sequence table, wherein numu>numd；

" building panoramic video multichannel code stream distribution sequence table by the second direction " method is as follows：

According to the numu structure law of tableu code streams after first numd tabled code streams, panoramic video multichannel code stream point is built Hair sequence table, wherein requiring；

" press third direction and the build panoramic video multichannel code stream distribution sequence table " method is as follows：

According to 1 structure law of tableu code streams after first 1 tabled code stream, panoramic video multichannel code stream distribution sequence is built Table or according to first 1 structure law of tabled code streams after 1 tableu code stream, builds panoramic video multichannel code stream distribution sequence List.

7. a kind of panoramic video dissemination system based on user personality, it is characterised in that the system includes：

Splicing code stream arrangement module, for panoramic video multichannel to be spliced into code stream, is arranged, then by camera acquisition visual angle order The panoramic video multichannel splicing code stream sequence for sorting later is designated as

{stream₁,stream₂,...,stream_N-1,stream_N, corresponding camera collection multiview sequence is designated as { θ₁, θ₂,...,θ_N-1,θ_N}；

Code stream sending module, for sending const seconds panoramic video multichannel code stream stream_n；

Mark visual angle sending module, in const seconds time window, sending the mark visual angle in the time window

First judging treatmenting module, if for judging panoramic video multichannel code stream stream_nCode stream in n-th t+1 time windows is deposited Then into the second judging treatmenting module；Otherwise, the distribution of panoramic video multichannel code stream is terminated；

Second judging treatmenting module, if for judgingIn the presence of then into the 3rd judging treatmenting module；Otherwise, then enter Make the first setup module；

First setup module, for setting nt=nt+1, determines const,Value, reenter code stream send mould Block；

3rd judging treatmenting module, if for judging user's inertial parameter sign_useAbsolute value is equal to 1, then be directly entered code stream Self adaptation dispensing device；Otherwise enter access customer inertial parameter computing module；

User's inertial parameter computing module, for calculating user's inertial parameter sign first_use, subsequently into code stream self adaptation point Transmitting apparatus；

Code stream self adaptation dispensing device, for according to user's inertial parameter sign_use, self adaptation distribution panoramic video multichannel code stream；

Second setup module, for making nt=nt+1, determines const,Value, reenter mark visual angle send mould Block；

Wherein, stream_nN-th splicing code stream after camera acquisition visual angle order is arranged is pressed in expression, and N represents splicing code stream Number, n=1,2 ..., N；θ_nRepresent stream_nCorresponding camera acquisition visual angle；

Const represents time window duration parameters；Nt represents time window label；Referred to as n-th t time window mark visual angle, Referred to as n-th t-1 time window mark visual angle；N-th t the time upper limit and time lower limit of time window are represented respectively.

8. the panoramic video dissemination system of user personality is based on as claimed in claim 7, it is characterised in that wherein,t₀Represent and send code stream initial buffer duration, scope takes 3-6 seconds；t_cRepresent that sending code stream delays Rush duration；

${\mathrm{\&theta;}}_{nt}^{mid}=({\mathrm{\&theta;}}_{nt}^{low}+{\mathrm{\&theta;}}_{nt}^{up})/2,$

Wherein,N-th t visual angle upper and lower bound of time window is represented,Min (variable | condition), max (variable | bar Part) represent respectively to asking the variable for meeting condition to minimize, maximum；T represents time variable；

9. the panoramic video dissemination system of user personality is based on as claimed in claim 7, it is characterised in that described " to calculate and use Family inertial parameter sign_use" method it is as follows：

Step a：IfAndThen make

Tempu=tempu+1；Else ifAndThen make

Tempd=tempd+1；Otherwise, it is directly entered step a；

Step b：Calculate

Wherein, Thres₁、Thres₂First, second decision threshold is represented respectively；Abs (variable) is represented and is sought absolute value to variable； Tempu, tempd represent first, second angular transformation statistic respectively, and initial value is 0；sign_useRepresent user's inertia ginseng Number, initial value is 0.

10. the panoramic video dissemination system of user personality is based on as claimed in claim 7, it is characterised in that the code stream is certainly Adapting to dispensing device also includes：

Angle difference sequence computing module, for calculating angle difference sequence, is designated asN=1,2 ..., N；

Interim camera acquisition angle and correspondence code stream acquisition module, for calculating d θ first_minu=min (d θ_n|dθ_n>0, n= 1,2 ..., N), then find d θ_minuCorresponding camera acquisition angle, is designated as θ_now, corresponding code stream is designated as stream_now；d θ_minuIt is temporary variable；

Code stream sequence table setup module, for by stream_nowAnd stream_nowCode stream order afterwards is put into right side code stream sequence Table, is designated as tableu={ stream_now,stream_now+1,stream_now+2,...,stream_N, then by stream_nowBefore Code stream inverted order be put into left side code stream sequence table, be designated as

Tabled={ stream_now-1,stream_now-2,stream_now-3,...,stream₁}

Code stream distribution sequence table builds module, if for sign_use=1, then build panoramic video multichannel code stream by first direction Distribution sequence table；Otherwise, if sign_use=-1, then build the distribution sequence table of panoramic video multichannel code stream by second direction；It is no Then, the distribution sequence table of panoramic video multichannel code stream is built by third direction.

Code stream sending module, the order for distributing sequence table by panoramic video multichannel code stream, sends panoramic video multichannel successively Code stream in code stream correspondence nt+1 time windows.

The 11. panoramic video dissemination systems based on user personality as claimed in claim 10, it is characterised in that

" press first direction and the build panoramic video multichannel code stream distribution sequence table " method is as follows：

According to the numd structure law of tabled code streams after first numu tableu code streams, panoramic video multichannel code stream point is built Hair sequence table, wherein requiring numu>numd；

" building panoramic video multichannel code stream distribution sequence table by the second direction " method is as follows：

According to the numu structure law of tableu code streams after first numd tabled code streams, panoramic video multichannel code stream point is built Hair sequence table, wherein requiring numd>numu；

" press third direction and build panoramic video multichannel code stream distribution sequence table " method is as follows：

According to 1 structure law of tableu code streams after first 1 tabled code stream, panoramic video multichannel code stream distribution sequence is built Table or according to first 1 structure law of tabled code streams after 1 tableu code stream, builds panoramic video multichannel code stream distribution sequence List.