CN103699575A - Large-scale catalogue template migrating method based on key features and large-scale catalogue template migrating system based on key features - Google Patents
Large-scale catalogue template migrating method based on key features and large-scale catalogue template migrating system based on key features Download PDFInfo
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- CN103699575A CN103699575A CN201310628448.3A CN201310628448A CN103699575A CN 103699575 A CN103699575 A CN 103699575A CN 201310628448 A CN201310628448 A CN 201310628448A CN 103699575 A CN103699575 A CN 103699575A
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- G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
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Abstract
The invention discloses a large-scale catalogue template migrating method based on key features. The method comprises the following steps: S1, respectively acquiring AV (Audio/Video) templates from a to-be-migrated catalogue template library and an object catalogue template library and performing AV content comparison on every two AV templates based on AV key features; S2, after AV content comparison, if the to-be-migrated template exists in the object library, i.e., a catalogue template with identical AV contents exists in the object library, automatically discarding the template by virtue of a computer and forbidding migration; S3, processing the grouped catalogue templates by a user, namely for a template group with partial overlapped AV contents, exculding the invalid catalogue templates by the user according to specific service demands, meanwhile editing and cutting the templates with partial overlapped contents to form valid templates, and automatically migrating the formed valid templates and residual valid catalogue templates into the object catalogue library by virtue of the computer.
Description
Technical Field
The invention relates to the technical field of computer cataloging, in particular to a large-scale cataloging template migration method and system based on key characteristics.
Background
The traditional migration method is generally manual import, and the possibility of avoiding the same repeated template from the text content as much as possible in the import process, the migration method generally needs a great amount of labor and is inevitable to have repetition, because a large number of cataloguing templates with different text descriptions but consistent audio and video content exist.
Disclosure of Invention
Technical problem to be solved
The technical problem to be solved by the invention is as follows: how to provide a large-scale cataloguing template migration technology and method based on key features, and the technology of comparing the key features of audio and video of a computer is fully utilized, so that a computer automatically migrates the large-scale cataloguing template under the condition of little manual participation.
(II) technical scheme
In order to solve the above problems, the present invention provides a large-scale cataloguing template migration method based on key features, comprising the steps of: s1, respectively obtaining audio and video templates from the cataloguing template library to be migrated and the target cataloguing template library, and comparing audio and video contents pairwise based on key characteristics of audio and video; s2, comparing the audio and video contents, and if the template to be migrated exists in the target library, namely the cataloguing template with the identical audio and video contents exists in the target library, automatically discarding the template by the computer without migrating; if the template to be migrated does not exist in the target library, namely the cataloguing template which is the same as or partially the audio and video content of the template cannot be found in the target library, the computer automatically migrates the template into the target cataloguing template library; if partial audio and video contents are found to be the same as the catalogue template to be migrated in the target library, automatically grouping the marks of the partial audio and video contents, and simultaneously turning to the step S3; and S3, according to the specific service requirement, eliminating invalid cataloguing templates by processing the well-grouped cataloguing templates, namely the template group with partially overlapped audio and video contents, and automatically migrating the residual valid cataloguing templates into a target cataloguing template library by the computer.
The invention also provides a large-scale cataloguing template migration system based on key characteristics, which comprises the following steps: the computer automatically extracts the audio and video key features in the template to be migrated and the existing template in the target library through the audio and video key feature comparison module, and automatically compares the audio and video contents in the template; the cataloguing template grouping module is used for automatically grouping the templates to be migrated according to the comparison result of the key characteristics of the templates by the computer, and the cataloguing template grouping module is divided into the following steps: 3 groups of templates which are completely the same, completely different and partially the same are marked; the system comprises a manual auditing interface module, a target library module and a migration module, wherein the manual auditing interface module provides a human-computer interaction interface, a template to be migrated, which is the same as the template in the target library, can be audited manually through the interface, and audio and video of the template to be migrated and the same as the template in the target library can be played back manually, so that whether the template to be migrated is an effective template or not is determined according to different business requirements, namely whether the template to be migrated is migrated to be warehouse; and the cataloguing template migration module is used for automatically summarizing the effective new template to be migrated by the computer and inputting the audio and video files corresponding to the template and the text description information into the target library.
Preferably, the workflow of the audio and video key feature comparison module includes: a. acquiring an audio signal in a template to be migrated, preprocessing, namely extracting a power spectrum, calculating sub-band energy, and establishing an energy histogram to obtain an audio fingerprint, namely audio key features; b. acquiring audio signals of the templates in a target template library, preprocessing, namely windowing to extract a power spectrum, calculating sub-band energy, and establishing an energy histogram to obtain audio key features; c. and finally, according to a manually preset threshold value, deciding whether the two templates are the same, partially the same or completely different.
Preferably, the workflow of the cataloging template grouping module includes: and automatically discarding the completely same template to be migrated, wherein the completely different template is a new template, automatically transmitting the template to the cataloguing template migration module for migration into the target library, and transmitting part of the same template to the manual auditing interface module.
Preferably, the workflow of the manual review interface module includes: and manually editing and cutting the template to be migrated into an effective template through the interface, and then migrating and warehousing.
(III) advantageous effects
According to the invention, the defects that the traditional method consumes manpower, is low in speed and is easy to have the cataloguing template with repeated contents can be well solved, the cataloguing template can be automatically migrated through a computer under the condition of little manual participation, and meanwhile, the condition of repeated templates is really avoided in the migration process.
Drawings
FIG. 1 is a flow diagram of a large-scale inventory template migration method based on key features in accordance with an embodiment of the present invention;
FIG. 2 is a block diagram of a large-scale inventory template migration system based on key features in accordance with an embodiment of the present invention;
fig. 3 is a schematic workflow diagram of an audio/video key feature comparison module according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1, the large-scale inventory template migration method based on key features according to the embodiment of the present invention includes the following steps:
step S1: the method comprises the steps of respectively obtaining audio and video templates from a catalogue template library to be migrated and a target catalogue template library, comparing audio and video contents based on key characteristics of the audio and video in pairs.
Step S2: comparing the audio and video contents, and if the template to be migrated exists in the target library, namely the cataloguing template with the identical audio and video contents exists in the target library, automatically discarding the template by the computer without migrating the template; if the template to be migrated does not exist in the target library, namely the cataloguing template which is the same as or partially the audio and video content of the template cannot be found in the target library, the computer automatically migrates the template into the target cataloguing template library; if partial audio and video contents are found to be the same as the catalogue template to be migrated in the target library, automatically grouping the marks of the partial audio and video contents, and simultaneously switching to a manual processing flow, namely step S3;
step S3: the grouped catalogue templates, namely the template group with partially overlapped audio and video contents, are manually processed, invalid catalogue templates are eliminated according to specific service requirements, and the residual valid catalogue templates are automatically migrated into a target catalogue template library by a computer.
As shown in FIG. 2, a large-scale inventory template migration system based on key features according to an embodiment of the present invention includes the following modules:
the system comprises an audio and video key feature comparison module, a cataloging template grouping module, a manual auditing interface module and a cataloging template migration module. Wherein,
1) audio and video key feature comparison module
Through the module, the computer automatically extracts the audio and video key features in the template to be migrated and the existing template in the target library, and automatically compares the audio and video contents in the template, and the comparison flow is shown in fig. 3.
Firstly, audio signals in a template to be migrated are obtained, preprocessing is carried out, namely, a power spectrum is extracted, subband energy is calculated, an energy histogram is built, and audio fingerprints, namely audio key features, are obtained.
And acquiring audio signals of the templates in the target template library, and adopting a similar preprocessing mode, namely windowing to extract a power spectrum, calculating sub-band energy, and establishing an energy histogram to obtain audio key features.
And finally, according to a manually preset threshold value, deciding whether the two templates are the same, partially the same or completely different.
2) Cataloging template grouping module
Through the module, the computer automatically groups the templates to be migrated according to the comparison result of the key features of the templates, and the templates are divided into: 3 groups of templates which are completely same, completely different and partially same are identified.
And automatically discarding the completely same template to be migrated, wherein the completely different template is a new template, automatically transmitting the template to the cataloguing template migration module for migration into the target library, and transmitting part of the same template to the manual auditing interface module.
3) Manual audit interface module
The module provides a human-computer interaction interface, a template to be migrated, which is the same as the template part in the target library, can be audited manually through the interface, audio and video of the template to be migrated, which is the same as the template part in the target library, can be played back manually, and whether the template to be migrated is an effective template or not, namely whether the template to be migrated is migrated to be warehoused is determined according to different business requirements. And manually editing and cutting the template to be migrated into an effective template through the interface, and then migrating and warehousing.
4) Catalog template migration module
Through the module, the computer automatically collects the effective new template to be migrated, and inputs the audio and video files corresponding to the template and the text description information into the target library.
Other aspects and features of the present invention will become apparent to those ordinarily skilled in the art upon review of the following description of specific embodiments of the invention in conjunction with the accompanying figures.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (5)
1. A large-scale cataloguing template migration method based on key characteristics is characterized by comprising the following steps:
s1, respectively obtaining audio and video templates from the cataloguing template library to be migrated and the target cataloguing template library, and comparing audio and video contents pairwise based on key characteristics of audio and video;
s2, comparing the audio and video contents, and if the catalogue template to be migrated exists in the target catalogue template library, discarding the template without migrating;
if the catalogue template to be migrated does not exist in the target catalogue template library, migrating the catalogue template to the target catalogue template library;
if partial audio and video contents are found to be the same as the catalogue template to be migrated in the target catalogue template library, automatically grouping the marks of the partial audio and video contents, and simultaneously turning to the step S3;
and S3, eliminating the invalid cataloguing template by the user, editing and cutting the template with partial overlapped contents into an effective template, and automatically transferring the effective template and the residual effective cataloguing template into a target cataloguing template library.
2. A large-scale inventory template migration system based on key features, comprising:
the audio and video key feature comparison module is used for automatically extracting audio and video key features in the template to be migrated and the existing template in the target library through a computer and automatically comparing audio and video contents in the template;
and the cataloguing template grouping module is used for automatically grouping the templates to be migrated according to the comparison result of the key characteristics of the templates by the computer, and is divided into: 3 groups of templates which are completely the same, completely different and partially the same are marked;
the system comprises a manual auditing interface module, a target library module and a migration module, wherein the manual auditing interface module provides a human-computer interaction interface, a template to be migrated, which is the same as the template in the target library, can be audited manually through the interface, and audio and video of the template to be migrated and the same as the template in the target library can be played back manually, so that whether the template to be migrated is an effective template or not is determined according to different business requirements, namely whether the template to be migrated is migrated to be warehouse;
and the cataloguing template migration module is used for automatically summarizing the effective new template to be migrated by the computer and inputting the audio and video files corresponding to the template and the text description information into the target library.
3. The system of claim 2, wherein the workflow of the audio-video key feature comparison module comprises:
a. acquiring an audio signal in a template to be migrated, and preprocessing the audio signal;
b. acquiring an audio signal of a template in a target template library, and preprocessing the audio signal;
c. and finally, according to a manually preset threshold value, deciding whether the two templates are the same, partially the same or completely different.
4. The system of claim 2 or 3, wherein the workflow of the inventory template grouping module comprises:
and automatically discarding the completely same template to be migrated, wherein the completely different template is a new template, automatically transmitting the template to the cataloguing template migration module for migration into the target library, and transmitting part of the same template to the manual auditing interface module.
5. The system of claim 2 or 3, wherein the workflow of the manual review interface module includes:
and manually editing and cutting the template to be migrated into an effective template through the interface, and then migrating and warehousing.
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| CN108875062A (en) * | 2018-06-26 | 2018-11-23 | 北京奇艺世纪科技有限公司 | A kind of determination method and device repeating video |
| CN113542820A (en) * | 2021-06-30 | 2021-10-22 | 北京中科模识科技有限公司 | Video cataloging method and system, electronic equipment and storage medium |
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