CN112597653B - Outdoor multimedia platform information display duration determining method - Google Patents
Outdoor multimedia platform information display duration determining method Download PDFInfo
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Abstract
The invention relates to the technical field of multimedia, and discloses a method for determining the information display duration of an outdoor multimedia platform, which comprises the following steps: s1: an installation device for installing the multimedia platform information display device; s2: installing a camera, wherein the camera is installed inside or outside the multimedia platform equipment; s3: acquiring data, namely acquiring information focused duration data through a camera, and supposing that the length of information focused time acquired through camera equipment is as follows: x 1,x2,…,xn; s4: and (5) data cleaning. The invention establishes a mathematical model, acquires an empirical distribution function of a random variable of the time length of interest of information by using a mathematical statistics and nonparametric statistics method, carries out parameter estimation, and determines the information display time length of the multimedia platform according to the preference setting of the system by acquiring the related digital characteristics of the random variable of the time length of interest, so as to be used for an actual multimedia information platform cloud control system.
Description
Technical Field
The invention relates to the technical field of multimedia, in particular to a method for determining information display duration of an outdoor multimedia platform.
Background
Today, the available multimedia content is huge and shows an increasing trend. Very large amounts of information (images, videos, documents, comments on social networks, …) are continually generated, archived and shared among many users. Under the background, the mode of acquiring the focused information by the user is very important, and the outdoor multimedia information release platform is generally integrated with a plurality of media information, and achieves the optimal information release effect by switching different information at regular time.
For an outdoor multimedia platform, how long each message should be displayed or how long different messages are separated from each other for switching is always a hot problem of concern in the industry, and for information switching, a mathematical model is established, so that the information display duration is scientifically and reasonably determined, the effect of information release can be efficiently achieved, and the waste of social resources can be furthest reduced.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides a method for determining the information display duration of an outdoor multimedia platform, which mainly aims at solving the problem that the existing outdoor multimedia platform cannot solve the problem of how long each piece of information should be displayed and how long different pieces of information are separated from each other to be switched.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions:
a method for determining information display duration of an outdoor multimedia platform comprises the following steps:
S1: an installation device for installing the multimedia platform information display device;
s2: installing a camera, wherein the camera is installed inside or outside the multimedia platform equipment;
S3: acquiring data, acquiring information focused duration data through a camera, and supposing that the length (in seconds) of information focused time acquired through a camera device is:
x1,x2,…,xn， (1)
s4: data cleaning: ordering the data in the formula (1) from small to large to obtain:
x(1),x(2),…,x(n)， (2)
Assuming that the frequency of occurrence of x (k) is n k,k＝1,2,…,N1, there are obviously Considering that the attention time of some information audiences is very short, the information page is not concerned, but the page is displayed by the multimedia platform, and the data needs to be deleted from the data, so that:
Definition of the definition Delete the front/>, in equation (2)N 3 data total, for the rest/>The total N-N 3 data are re-labeled:
y(1),y(2),…,y(m) (3)
S5: constructing a distribution function, namely constructing an empirical distribution function of a random variable of the information attention duration, and assuming that the audience is a random variable Y for the information attention duration, and constructing the empirical distribution function of the random variable Y by the data (3) as follows:
s6: determining the duration, determining the theoretical duration of the information display of the multimedia platform, and according to the empirical distribution of the random variables of the duration of the information of interest of the audience, if the audience with the proportion of (1-alpha) 100% is required to successfully obtain the information of interest, the duration L 1-α of the information display should be:
S7: setting an actual time length, and setting the actual time length of multimedia platform information display according to preference:
S8: and (3) readjusting, namely setting the information display duration according to the preference requirements of an upper-level department or a management department of the multimedia platform cloud control system, and readjusting parameters about the information display duration in the system according to a formula (6).
On the basis of the scheme, the multimedia platform information display device is installed at a specific address in the step S1, and the duration of each information display is initially set to 24 hours.
As a still further scheme of the invention, the camera in the S2 is internally provided with an audience identification function, and the audience is a person, a vehicle or the like.
Further, in the step S3, from the standpoint of statistics, the larger the total data, the better, it is recommended that n be not lower than 1000, that is, n be not lower than 1000.
On the basis of the foregoing scheme, in S4, m=n-N 3, it is assumed that the frequency of occurrence of y (k) is M k, k=1, 2, …, M, and obviously M 1+m2+…+mM =m.
According to still further scheme of the invention, in the step S2, the installation quantity is counted when the cameras are installed, the installed cameras are marked, and the positions are recorded.
(III) beneficial effects
Compared with the prior art, the invention provides a method for determining the information display duration of an outdoor multimedia platform, which has the following beneficial effects:
1. the invention can simplify the data through data cleaning, thereby facilitating the construction of statistics and experience functions and improving the efficiency.
2. According to the invention, a mathematical model is established, and an empirical distribution function of a random variable of the information attention duration is obtained by using a mathematical statistics and non-parameter statistics method, and parameter estimation is performed.
3. And determining the information display duration of the multimedia platform according to the preference setting of the system by obtaining the related digital characteristics of the random variables of the duration of interest, and using the information display duration of the multimedia platform in an actual cloud control system of the multimedia information platform.
4. The time length from the start of the information display page to the completion of the departure of the attention from the page of each information audience can be acquired through the acquisition of the information.
Drawings
Fig. 1 is a flow chart of a method for determining information display duration of an outdoor multimedia platform according to the present invention.
Fig. 2 is a schematic diagram of a control program flow of a method for determining information display duration of an outdoor multimedia platform according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-2, a method for determining information display duration of an outdoor multimedia platform includes the steps of:
S1: an installation device for installing the multimedia platform information display device;
s2: installing a camera, wherein the camera is installed inside the multimedia platform equipment;
S3: acquiring data, acquiring information focused duration data through a camera, and supposing that the length (in seconds) of information focused time acquired through a camera device is:
x1,x2,…,xn， (1)
s4: data cleaning: ordering the data in the formula (1) from small to large to obtain:
x(1),x(2),…,x(n)， (2)
Assuming that the frequency of occurrence of x (k) is n k,k＝1,2,…,N1, there are obviously Considering that the attention time of some information audiences is very short, some information pages are not attention, but pages are displayed by the multimedia platform, and the data need to be deleted from the data, so that:
Definition of the definition Delete the front/>, in equation (2)N 3 data total, for the rest/>The total N-N 3 data are re-labeled:
y(1),y(2),…,y(m) (3)
The data can be simplified through data cleaning, so that statistics and function construction are convenient, and the efficiency is improved;
S5: constructing a distribution function, namely constructing an empirical distribution function of a random variable of the information attention duration, and assuming that the audience is a random variable Y for the information attention duration, and constructing the empirical distribution function of the random variable Y by the data (3) as follows:
establishing a mathematical model, acquiring an empirical distribution function of a random variable of the information attention duration by using a mathematical statistics and non-parameter statistics method, and carrying out parameter estimation;
s6: determining the duration, determining the theoretical duration of the information display of the multimedia platform, and according to the empirical distribution of the random variables of the duration of the information of interest of the audience, if the audience with the proportion of (1-alpha) 100% is required to successfully obtain the information of interest, the duration L 1-α of the information display should be:
S7: setting an actual time length, and setting the actual time length of multimedia platform information display according to preference:
S8: readjustment, setting information display time according to a formula (6) according to preference requirements of an upper department or a management department of the multimedia platform cloud control system, readjusting parameters of the information display time in the system, and determining the information display time of the multimedia platform according to preference settings of the system by obtaining relevant digital characteristics of a random variable of the concerned time, wherein the information display time is used for an actual multimedia information platform cloud control system.
In the invention, a multimedia platform information display device is installed at a specific address in S1, the time length of each information display is initially set to 24 hours, an audience identification function is built in a camera in S2, the audience is a person or a vehicle, the time length from the start of the information display page to the finish of the information leaving from the page can be obtained for each information audience, in S3, from the statistical point of view, the larger total data is better, the total data is not lower than 1000, namely N is more than or equal to 1000, m=n-N 3 in S4, and the occurrence frequency of y (k) is M k, k=1, 2, …, M, and M 1+m2+…+mM =m is obviously suggested.
Example 2
Referring to fig. 1-2, a method for determining information display duration of an outdoor multimedia platform includes the steps of:
S1: an installation device for installing the multimedia platform information display device;
S2: installing a camera, wherein the camera is installed outside the multimedia platform equipment;
S3: acquiring data, acquiring information focused duration data through a camera, and supposing that the length (in seconds) of information focused time acquired through a camera device is:
x1,x2,…,xn， (1)
s4: data cleaning: ordering the data in the formula (1) from small to large to obtain:
x(1),x(2),…,x(n)， (2)
Assuming that the frequency of occurrence of x (k) is n k,k＝1,2,…,N1, there are obviously Considering that the attention time of some information audiences is very short, some information pages are not attention, but pages are displayed by the multimedia platform, and the data need to be deleted from the data, so that:
Definition of the definition Delete the front/>, in equation (2)N 3 data total, for the rest/>The total N-N 3 data are re-labeled:
y(1),y(2),…,y(m) (3)
The data can be simplified through data cleaning, so that statistics and function construction are convenient, and the efficiency is improved;
S5: constructing a distribution function, namely constructing an empirical distribution function of a random variable of the information attention duration, and assuming that the audience is a random variable Y for the information attention duration, according to a formula (3), constructing the empirical distribution function of the random variable Y as follows:
establishing a mathematical model, acquiring an empirical distribution function of a random variable of the information attention duration by using a mathematical statistics and non-parameter statistics method, and carrying out parameter estimation;
s6: determining the duration, determining the theoretical duration of the information display of the multimedia platform, and according to the empirical distribution of the random variables of the duration of the information of interest of the audience, if the audience with the proportion of (1-alpha) 100% is required to successfully obtain the information of interest, the duration L 1-α of the information display should be:
S7: setting an actual time length, and setting the actual time length of multimedia platform information display according to preference:
S8: readjustment, setting information display time according to a formula (6) according to preference requirements of an upper department or a management department of the multimedia platform cloud control system, readjusting parameters of the information display time in the system, and determining the information display time of the multimedia platform according to preference settings of the system by obtaining relevant digital characteristics of a random variable of the concerned time, wherein the information display time is used for an actual multimedia information platform cloud control system.
In the invention, a multimedia platform information display device is installed at a specific address in S1, the time length of each information display is set to be 24 hours, an audience identification function is built in a camera in S2, the audience is a person or a vehicle, the time length from the start of the information display page to the finish of the information leaving of each information audience can be obtained, the larger and better total data are recommended to be not lower than 1000 from the statistical point of view in S3, namely N is more than or equal to 1000, m=n-N 3 in S4, the frequency of occurrence of y (k) is assumed to be M k, k=1, 2, …, M, M 1+m2+…+mM =m is obviously calculated, the number of installation is counted when the camera is installed in S2, and the installed camera is marked and the position is recorded.
In this description, it should be noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The method for determining the information display duration of the outdoor multimedia platform is characterized by comprising the following steps of:
S1: an installation device for installing the multimedia platform information display device;
s2: installing a camera, wherein the camera is installed inside or outside the multimedia platform equipment;
S3: acquiring data, namely acquiring information focused duration data through a camera, wherein the length of information focused duration acquired through the camera equipment is assumed to be in seconds:
x1,x2,…,xn， (1)
s4: data cleaning: ordering the data in the formula (1) from small to large to obtain:
x(1),x(2),…,x(n)， (2)
Assuming that the frequency of occurrence of x (k) is n k,k＝1,2,…,N1, there are obviously Considering that the attention time of some information audiences is extremely short, the information audiences are not true attention information pages, but only the multimedia platform display pages are passed, and corresponding data need to be deleted from the data, so that:
Definition of the definition Delete the front/>, in equation (2)N 3 data total, for the rest/>The total N-N 3 data are re-labeled:
y(1),y(2),…,y(m) (3)；
S5: constructing a distribution function, namely constructing an empirical distribution function of a random variable of the information attention duration, and assuming that the audience is a random variable Y for the information attention duration, and constructing the empirical distribution function of the random variable Y by the data (3) as follows:
s6: determining the duration, determining the theoretical duration of the information display of the multimedia platform, and according to the empirical distribution of the random variables of the duration of the information of interest of the audience, if the audience with the proportion of (1-alpha) 100% is required to successfully obtain the information of interest, the duration L 1-α of the information display should be:
S7: setting an actual time length, and setting the actual time length of multimedia platform information display according to preference:
S8: and (3) readjusting, namely setting the information display duration according to the preference requirements of an upper-level department or a management department of the multimedia platform cloud control system, and readjusting parameters about the information display duration in the system according to a formula (6).
2. The method for determining the display duration of outdoor multimedia platform information according to claim 1, wherein the multimedia platform information display device is installed at a specific address in S1, and the duration of each information display is initially set to 24 hours.
3. The method for determining the information display duration of an outdoor multimedia platform according to claim 1, wherein the camera in S2 is provided with an audience recognition function, and the audience is a person or a vehicle.
4. The method for determining the display duration of information on an outdoor multimedia platform according to claim 1, wherein in S3, from a statistical point of view, the larger the total data, the better, i.e., n is not lower than 1000.
5. The method for determining the information display duration of an outdoor multimedia platform according to claim 1, wherein in S4, m=n-N 3, it is assumed that the frequency of occurrence of y (k) is M k, k=1, 2, …, M, and obviously M 1+m2+…+mM =m.
6. The method for determining the information display duration of an outdoor multimedia platform according to claim 1, wherein in S2, the number of installed cameras is counted when the cameras are installed, and the installed cameras are marked and the positions are recorded.
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