CN117768641A - IPTV link dial testing system and method - Google Patents
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Abstract
The invention relates to an IPTV link dial testing system and method, belonging to the technical field of video quality supervision. The invention comprises a data acquisition module, a data analysis module, an illegal verification module, an abnormal analysis module and a quality evaluation module, wherein a standard program database is constructed according to legal program information, a program coding library and a program address are obtained according to program data packets through data analysis, a verification result is obtained through circulating verification according to the program coding library and the program address through a correlation standard program database, a characteristic similarity is obtained through calculating a correlation formula according to a program audio and video characteristic mean value and an illegal audio and video characteristic mean value, a program quality grade is output according to the characteristic similarity, a verification log is uploaded according to the verification result and the program quality grade, IPTV link dial testing efficiency and abnormal identification accuracy are improved, and high-efficiency network audio and video quality and audio and video copyright protection are realized.
Description
Technical Field
The invention belongs to the technical field of video quality monitoring, and particularly relates to an IPTV link dial testing system and method.
Background
With the continuous and intensive research of tri-network integration, IPTV in China is gradually born and widely applied. IPTV is a brand-new technology for providing various interactive digital media services including digital television to a home through an internet protocol by using an infrastructure of a broadband network, taking a television and a set-top box as main terminal devices, integrating various technologies such as the internet, multimedia and communication, and the singleness of a broadband network terminal has begun to affect the wide spread of broadband services to common users along with the rapid development of broadband services. The common user uses a computer to access the internet, such as high cost, high system maintenance requirement and the like, the IPTV combines the characteristics of a television and a network, provides interactive multimedia service for the user through a broadband network, and has the main characteristics of interactivity and instantaneity, but due to the characteristic of instantaneity, the potential risk of the IPTV is exposed, and the problems of low verification efficiency, inaccurate identification, unclear fault positioning and the like exist in the conventional IPTV link dial-up measurement technology, so that the problems of incapability of efficiently controlling the quality of audio and video of the network, protecting the copyright of the audio and video and the like are further caused.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an IPTV link dial testing system and method, which are characterized in that legal program information and program data packets are acquired, a standard program database is constructed according to the legal program information, a program coding library and a program address are obtained through data analysis according to the program data packets, a verification result is obtained through cyclic verification according to the program coding library and the program address through a correlation standard program database, feature similarity is obtained through calculation according to an audio and video feature mean value and a illegal audio and video feature mean value through a correlation formula, program quality grade is output according to the feature similarity, a verification log is uploaded according to the verification result and the program quality grade, IPTV link dial testing efficiency and abnormal identification accuracy are improved, and high-efficiency network audio and video quality and protection of audio and video copyright are realized.
The aim of the invention can be achieved by the following technical scheme:
an IPTV link dial testing method comprises the following steps:
s1: acquiring legal program information and digital television signals, and constructing a standard program database according to the legal program information, wherein the legal program information comprises legal program addresses;
s2: obtaining a program code library through data analysis according to the program data packet, and obtaining a program address according to the program code library;
s3: performing cyclic verification according to the program code library and the program address by associating the standard program database to obtain a verification result, and generating abnormal warning information according to the verification result, wherein the verification result comprises code coincidence and address error;
s4: obtaining illegal audio and video characteristics, generating normal program information according to the verification result, extracting the audio and video characteristics of the program according to the normal program information, and passing through a formula according to the illegal audio and video characteristicsCalculating to obtain an average value of the illegal audio and video characteristics, wherein W represents the average value of the illegal audio and video characteristics, and W i Representing the illegal audio and video characteristics, alpha i Representing weight coefficient according to the program audio-video characteristic through formula->Calculating to obtain an audio and video characteristic average value of the program, wherein V represents the audio and video characteristic average value of the program, V i Representing the audio-video characteristics of the program, beta i Representing the weight coefficient;
s5: calculating according to the program audio and video feature average value and the illegal audio and video feature average value through a relevance formula to obtain feature similarity, obtaining an illegal feature matrix according to the feature similarity, and outputting a program quality grade according to the illegal feature matrix through feature analysis, wherein the program quality grade comprises excellent, qualified and poor;
s6: and uploading a verification log through an automatic calling log interface according to the verification result and the program quality grade.
Preferably, the step S2 specifically includes obtaining an identity token, sending a verification request to a server according to the identity token, generating a key according to the verification request, and performing data analysis according to the program data packet through the key to obtain a program code library and the program address.
Preferably, the step S3 specifically includes the following steps:
s301: calculating according to the program code through a hash algorithm to obtain a code hash value, performing self-checking according to the code hash value through correlating the program code library, and outputting a check result as the code repetition when the code hash value is repeated;
s302: calculating according to the program address through a hash algorithm to obtain an address hash value, calculating according to the legal program address through a hash algorithm to obtain a legal address hash value, comparing the address hash value with the legal hash value to output repeated data, and outputting the verification result as the address error according to the repeated data;
s303: and generating the abnormal warning information when the check result is the code repetition and the address error.
Preferably, the step S5 specifically includes the following steps:
s501: calculating the feature similarity, wherein the calculation formula is as follows:wherein N represents the number of samples, V represents the average value of the audio and video characteristics of the program, V i Representing the audio-video characteristics of the program, W represents the average value of the illegal audio-video characteristics, and W i Representing the illegal audio and video characteristics, wherein K represents the characteristic similarity, and gamma represents a coefficient factor;
s502: outputting the program quality grade as the excellent when the feature similarity is smaller than a preset threshold, outputting program violation features when the feature similarity is larger than or equal to the preset threshold, constructing the violation feature matrix according to the program violation features, obtaining a violation feature value and a violation feature vector according to the violation feature matrix, and calculating according to the violation feature value and the violation feature vector by a violation contribution rate formula to obtain a violation contribution rate;
s503: and outputting the program quality grade according to the violation contribution rate, wherein the program quality grade is qualified when the violation contribution rate is smaller than 15%, and the program quality grade is worse when the violation contribution rate is larger than or equal to 15%.
Preferably, the step S502 specifically includes the following steps:
according to the formulaConstructing the violation feature matrix, wherein A OP Representing the offending feature matrix, D representing the number of samples, a iO Representing the audio-video characteristics of the program, A O Representing the average value of the audio and video characteristics of the program, a iP Representing the illegal audio and video characteristics, A P Representing the average value of the illegal audio and video characteristics;
calculating the violation contribution rate, wherein the calculation formula is as follows:wherein Gi represents the violation contribution rate, θ i Representing the ith said offence characteristic value, < +.>And representing the violation eigenvector corresponding to the violation eigenvalue.
An IPTV link dial testing system comprising:
the data acquisition module is used for acquiring legal program information and digital television signals, and constructing a standard program database according to the legal program information, wherein the legal program information comprises legal program addresses;
the data analysis module is used for obtaining a program coding library through data analysis according to the program data packet and obtaining a program address according to the program coding library;
the violation verification module is used for carrying out cyclic verification according to the program coding library and the program address by correlating the standard program database to obtain a verification result, and generating abnormal warning information according to the verification result, wherein the verification result comprises coding coincidence and address error;
the anomaly analysis module is used for acquiring the illegal audio and video features, generating normal program information according to the verification result, extracting program audio and video features according to the normal program information, obtaining an average value of the illegal audio and video features according to the illegal audio and video features, and obtaining an average value of the program audio and video features according to the program audio and video features;
the quality evaluation module is used for calculating to obtain feature similarity according to the program audio and video feature average value and the illegal audio and video feature average value through a relevance formula, obtaining an illegal feature matrix according to the feature similarity, outputting program quality grade through feature analysis according to the illegal feature matrix, and uploading a verification log through an automatic calling log interface according to the verification result and the program quality grade.
The beneficial effects of the invention are as follows:
1. the method comprises the steps of obtaining a code hash value through calculation by a hash algorithm according to program codes, performing self-checking by a related program code library according to the code hash value, outputting a check result as code repetition when the code hash value is repeated, obtaining an address hash value through calculation by a hash algorithm according to a program address, obtaining a legal address hash value through calculation by a hash algorithm according to a legal program address, outputting repeated data by comparing the address hash value with the legal hash value, outputting a check result as an address error according to the repeated data, generating the abnormal warning information when the check result is the code repetition and the address error, and using the hash value to compare and circularly check, thereby improving the check speed and the check precision and realizing the effect of rapidly screening the abnormal information;
2. the abnormal analysis module is arranged to obtain the illegal audio and video characteristics, normal program information is generated according to the verification result, the program audio and video characteristics are extracted according to the normal program information, the average value of the illegal audio and video characteristics is obtained according to the illegal audio and video characteristics, the average value of the program audio and video characteristics is obtained according to the program audio and video characteristics, deep data analysis is realized, a data base of the quality evaluation module is provided, and data analysis precision is improved;
3. and by setting a quality evaluation module, calculating to obtain feature similarity according to the program audio and video feature average value and the illegal audio and video feature average value through a relevance formula, obtaining an illegal feature matrix according to the feature similarity, and outputting program quality grade according to the illegal feature matrix through feature analysis, thereby realizing high-efficiency control of network audio and video quality and protection of audio and video copyright.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
Fig. 1 is a flow chart of an IPTV link dial testing method according to the present invention.
Detailed Description
In order to further describe the technical means and effects adopted by the invention for achieving the preset aim, the following detailed description is given below of the specific implementation, structure, characteristics and effects according to the invention with reference to the attached drawings and the preferred embodiment.
Referring to fig. 1, an IPTV link dial testing method includes the following steps:
s1: acquiring legal program information and digital television signals, and constructing a standard program database according to the legal program information, wherein the legal program information comprises legal program addresses;
s2: obtaining a program code library through data analysis according to the program data packet, and obtaining a program address according to the program code library;
s3: performing cyclic verification according to the program code library and the program address by associating the standard program database to obtain a verification result, and generating abnormal warning information according to the verification result, wherein the verification result comprises code coincidence and address error;
s4: obtaining illegal audio and video characteristics, generating normal program information according to the verification result, extracting the audio and video characteristics of the program according to the normal program information, and passing through a formula according to the illegal audio and video characteristicsCalculating to obtain an average value of the illegal audio and video characteristics, wherein W represents the average value of the illegal audio and video characteristics, and W i Representing the illegal audio and video characteristics, alpha i Representing weight coefficient according to the program audio-video characteristic through formula->Calculating to obtain an audio and video characteristic average value of the program, wherein V represents the audio and video characteristic average value of the program, V i Representing the audio-video characteristics of the program, beta i Representing the weight coefficient;
s5: calculating according to the program audio and video feature average value and the illegal audio and video feature average value through a relevance formula to obtain feature similarity, obtaining an illegal feature matrix according to the feature similarity, and outputting a program quality grade according to the illegal feature matrix through feature analysis, wherein the program quality grade comprises excellent, qualified and poor;
s6: and uploading a verification log through an automatic calling log interface according to the verification result and the program quality grade.
Step S1 specifically relates to a data acquisition module, legal program information and digital television signals are acquired through the data acquisition module, a standard program database is constructed according to the legal program information, the legal program information comprises legal program addresses, and a data basis is provided for subsequent data processing.
Step S2 specifically relates to a data analysis module, wherein an identity token is obtained, a verification request is sent to a server according to the identity token, a key is generated according to the verification request, and data analysis is carried out according to the program data packet through the key to obtain a program code library and the program address.
Step S3 specifically relates to a violation verification module, wherein a code hash value is obtained by calculation through a hash algorithm according to the program code, self-verification is carried out by associating the program code library according to the code hash value, when the code hash value is repeated, a verification result is output as code repetition, an address hash value is obtained by calculation through the hash algorithm according to the program address, a legal address value is obtained by calculation through the hash algorithm according to the legal program address, repeated data is output by comparing the address hash value with the legal hash value, the verification result is output as address error according to the repeated data, and when the verification result is the code repetition and the address error, the abnormal warning information is generated.
The program codes and the program addresses are processed by using a hash algorithm to obtain code hash values and address hash values, and the hash values are compared to obtain a verification result, so that the verification speed and the verification precision are improved, and the effect of rapidly screening abnormal information is realized.
Step S4 specifically relates to an anomaly analysis module, wherein the anomaly analysis module obtains illegal audio and video features, generates normal program information according to the verification result, extracts program audio and video features according to the normal program information, and passes through a formula according to the illegal audio and video featuresCalculating to obtain an average value of the illegal audio and video characteristics, wherein W represents the average value of the illegal audio and video characteristics, and W i Representing the illegal audio and video characteristics, alpha i Representing the weight coefficient according to the program audio and video characteristics through the formulaCalculating to obtain an audio and video characteristic average value of the program, wherein V represents the audio and video characteristic average value of the program, V i Representing the audio-video characteristics of the program, beta i Representing the weight coefficient;
the average value of the illegal audio-video characteristics and the average value of the program characteristics are obtained by analyzing and processing the illegal audio-video characteristics and the program audio-video characteristics, so that deep analysis of data is realized, a data base of a quality evaluation module is provided, and the data analysis precision is improved.
Step S5 and step S6 relate to a quality evaluation module specifically, wherein step S5 includes calculating feature similarity according to the program audio and video feature mean and the illegal audio and video feature mean through a relevance formula, and calculating the feature similarity, wherein a calculation formula is as follows:wherein N represents the number of samples, V represents the average value of the audio and video characteristics of the program, V i Representing the audio-video characteristics of the program, W represents the average value of the illegal audio-video characteristics, and W i Representing the illegal audio and video characteristics, wherein K represents the characteristic similarity, and gamma represents a coefficient factor;
outputting the program quality grade as the excellent when the feature similarity is smaller than a preset threshold value, outputting program violation features when the feature similarity is larger than or equal to the preset threshold value, and according to a formulaConstructing the violation feature matrix, wherein A OP Representing the offending feature matrix, D representing the number of samples, a iO Representing the audio-video characteristics of the program, A O Representing the average value alpha of the audio and video characteristics of the program iP Representing the illegal audio and video characteristics, A P And expressing the average value of the illegal audio and video features, obtaining an illegal feature value and an illegal feature vector according to the illegal feature matrix, and calculating the illegal contribution rate according to the illegal feature value and the illegal feature vector by using a illegal contribution rate formula, wherein the calculation formula is as follows: />Wherein Gi represents the violation contribution rate, θ i Representing the ith said offence characteristic value, < +.>Representing the violation eigenvector corresponding to the violation eigenvalue;
and outputting the program quality grade according to the violation contribution rate, wherein the program quality grade is qualified when the violation contribution rate is smaller than 15%, and the program quality grade is worse when the violation contribution rate is larger than or equal to 15%.
Step S6 specifically comprises uploading a verification log through an automatic call log interface according to the verification result and the program quality grade;
feature similarity is obtained according to the program audio and video feature average value and the illegal audio and video feature average value, an illegal feature matrix is obtained according to the feature similarity, and program quality grades are output through feature analysis according to the illegal feature matrix, so that high-efficiency control network audio and video quality and audio and video copyright protection are realized.
Still further, the present application further provides an IPTV link dial testing system, including:
the data acquisition module is used for acquiring legal program information and digital television signals, and constructing a standard program database according to the legal program information, wherein the legal program information comprises legal program addresses;
the data analysis module is used for obtaining a program coding library through data analysis according to the program data packet and obtaining a program address according to the program coding library;
the violation verification module is used for carrying out cyclic verification according to the program coding library and the program address by correlating the standard program database to obtain a verification result, and generating abnormal warning information according to the verification result, wherein the verification result comprises coding coincidence and address error;
the anomaly analysis module is used for acquiring the illegal audio and video features, generating normal program information according to the verification result, extracting program audio and video features according to the normal program information, obtaining an average value of the illegal audio and video features according to the illegal audio and video features, and obtaining an average value of the program audio and video features according to the program audio and video features;
the quality evaluation module is used for calculating to obtain feature similarity according to the program audio and video feature average value and the illegal audio and video feature average value through a relevance formula, obtaining an illegal feature matrix according to the feature similarity, outputting program quality grade through feature analysis according to the illegal feature matrix, and uploading a verification log through an automatic calling log interface according to the verification result and the program quality grade.
The working principle and the using flow of the invention are as follows:
acquiring legal program information and program data packets through a data acquisition module, constructing a standard program database according to the legal program information, analyzing data according to the program data packets to obtain a program coding library and a program address, performing cyclic verification through a correlation standard program database according to the program coding library and the program address to obtain a verification result, calculating according to an audio and video characteristic mean value of a program and an illegal audio and video characteristic mean value through a correlation formula to obtain characteristic similarity, obtaining an illegal characteristic matrix according to the characteristic similarity, outputting a program quality grade through characteristic analysis according to the illegal characteristic matrix, and uploading a verification log through automatic calling of a log interface according to the verification result and the program quality grade.
The program code embodied in the methods of embodiments of the present invention may be transmitted over any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, etc., or any suitable combination of the foregoing. Computer program code for carrying out operations of the present invention may be written in one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++ and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).
The present invention is not limited to the above embodiments, but is not limited to the above embodiments, and any technical modifications, equivalents and modifications made to the above embodiments according to the technical principles of the present invention can be made by those skilled in the art without departing from the scope of the invention.
Claims (6)
1. An IPTV link dial testing method is characterized by comprising the following steps:
s1: acquiring legal program information and a program data packet, and constructing a standard program database according to the legal program information, wherein the legal program information comprises legal program addresses;
s2: obtaining a program code library through data analysis according to the program data packet, and obtaining a program address according to the program code library;
s3: performing cyclic verification according to the program code library and the program address by associating the standard program database to obtain a verification result, and generating abnormal warning information according to the verification result, wherein the verification result comprises code coincidence and address error;
s4: obtaining illegal audio and video characteristics, generating normal program information according to the verification result, extracting the audio and video characteristics of the program according to the normal program information, and passing through a formula according to the illegal audio and video characteristicsCalculating to obtain an average value of the illegal audio and video characteristics, wherein W represents the average value of the illegal audio and video characteristics, and W i Representing the illegal audio and video characteristics, alpha i Representing weight coefficients according to the sectionThe characteristic of the audio and video of the eyes is represented by the formula->Calculating to obtain an audio and video characteristic average value of the program, wherein V represents the audio and video characteristic average value of the program, V i Representing the audio-video characteristics of the program, beta i Representing the weight coefficient;
s5: calculating according to the program audio and video feature average value and the illegal audio and video feature average value through a relevance formula to obtain feature similarity, obtaining an illegal feature matrix according to the feature similarity, and outputting a program quality grade according to the illegal feature matrix through feature analysis, wherein the program quality grade comprises excellent, qualified and poor;
s6: and uploading a verification log through an automatic calling log interface according to the verification result and the program quality grade.
2. The IPTV link dial testing method according to claim 1, wherein the step S2 specifically includes obtaining an identity token, sending a verification request to a server according to the identity token, generating a key according to the verification request, and performing data analysis according to the program data packet by using the key to obtain a program code library and the program address.
3. The IPTV link dial testing method according to claim 1, wherein the step S3 specifically comprises the following steps:
s301: calculating according to the program code through a hash algorithm to obtain a code hash value, performing self-checking according to the code hash value through correlating the program code library, and outputting a check result as the code repetition when the code hash value is repeated;
s302: calculating according to the program address through a hash algorithm to obtain an address hash value, calculating according to the legal program address through a hash algorithm to obtain a legal address hash value, comparing the address hash value with the legal hash value to output repeated data, and outputting the verification result as the address error according to the repeated data;
s303: and generating the abnormal warning information when the check result is the code repetition and the address error.
4. The IPTV link dial testing method according to claim 1, wherein the step S5 specifically comprises the following steps:
s501: calculating the feature similarity, wherein the calculation formula is as follows:wherein N represents the number of samples, V represents the average value of the audio and video characteristics of the program, V i Representing the audio-video characteristics of the program, W represents the average value of the illegal audio-video characteristics, and W i Representing the illegal audio and video characteristics, wherein K represents the characteristic similarity, and gamma represents a coefficient factor;
s502: outputting the program quality grade as the excellent when the feature similarity is smaller than a preset threshold, outputting program violation features when the feature similarity is larger than or equal to the preset threshold, constructing the violation feature matrix according to the program violation features, obtaining a violation feature value and a violation feature vector according to the violation feature matrix, and calculating according to the violation feature value and the violation feature vector by a violation contribution rate formula to obtain a violation contribution rate;
s503: and outputting the program quality grade according to the violation contribution rate, wherein the program quality grade is qualified when the violation contribution rate is smaller than 15%, and the program quality grade is worse when the violation contribution rate is larger than or equal to 15%.
5. The IPTV link dial testing method according to claim 4, wherein the step S502 specifically comprises the steps of:
according to the formulaConstructing the offenceA sign matrix, wherein A OP Representing the offending feature matrix, D representing the number of samples, a iO Representing the audio-video characteristics of the program, A O Representing the average value of the audio and video characteristics of the program, a iP Representing the illegal audio and video characteristics, A P Representing the average value of the illegal audio and video characteristics;
calculating the violation contribution rate, wherein the calculation formula is as follows:wherein Gi represents the violation contribution rate, θ i Representing the ith said offence characteristic value, < +.>And representing the violation eigenvector corresponding to the violation eigenvalue.
6. An IPTV link measurement system, which adopts the IPTV link measurement method according to claim 1, comprising:
the data acquisition module is used for acquiring legal program information and program data packets, and constructing a standard program database according to the legal program information, wherein the legal program information comprises legal program addresses;
the data analysis module is used for obtaining a program coding library through data analysis according to the program data packet and obtaining a program address according to the program coding library;
the violation verification module is used for carrying out cyclic verification according to the program coding library and the program address by correlating the standard program database to obtain a verification result, and generating abnormal warning information according to the verification result, wherein the verification result comprises coding coincidence and address error;
the anomaly analysis module is used for acquiring the illegal audio and video features, generating normal program information according to the verification result, extracting program audio and video features according to the normal program information, obtaining an average value of the illegal audio and video features according to the illegal audio and video features, and obtaining an average value of the program audio and video features according to the program audio and video features;
the quality evaluation module is used for calculating to obtain feature similarity according to the program audio and video feature average value and the illegal audio and video feature average value through a relevance formula, obtaining an illegal feature matrix according to the feature similarity, outputting program quality grade through feature analysis according to the illegal feature matrix, and uploading a verification log through an automatic calling log interface according to the verification result and the program quality grade.
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