CN115567737B - Method and device for replacing cut-out picture - Google Patents

Method and device for replacing cut-out picture Download PDF

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Publication number
CN115567737B
CN115567737B CN202211152656.6A CN202211152656A CN115567737B CN 115567737 B CN115567737 B CN 115567737B CN 202211152656 A CN202211152656 A CN 202211152656A CN 115567737 B CN115567737 B CN 115567737B
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picture
cut
cutting
target
resource address
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CN115567737A (en
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何志远
刘庆庆
闵博
孙成新
王金明
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Feihu Information Technology Tianjin Co Ltd
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Feihu Information Technology Tianjin Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/23424Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for inserting or substituting an advertisement
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/44016Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for substituting a video clip

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Studio Circuits (AREA)
  • Processing Or Creating Images (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

The application provides a method and a device for replacing a cut picture, and relates to the technical field of image processing. In the application, a target picture is cut according to a first picture size proportion, a first cut picture is obtained, the first cut picture is uploaded to a content distribution network, and a resource address of the first cut picture is generated, wherein the resource addresses of the cut pictures obtained by cutting the same target picture according to the same picture size proportion are the same. And then cutting out the target picture according to the first picture size proportion to obtain a second cut-out picture, and replacing the first cut-out picture with the second cut-out picture according to the resource address of the first cut-out picture. In this way, the first cut picture is uploaded to the content distribution network to generate the resource address of the first cut picture, and then the automatic replacement of the cut picture is realized according to the resource address of the first cut picture, so that the operations that the cut picture needs to be manually uploaded and manually replaced are avoided, and the complexity of the replacement operation of the cut picture is reduced.

Description

Method and device for replacing cut-out picture
Technical Field
The present disclosure relates to the field of image processing technologies, and in particular, to a method and an apparatus for replacing a cut-out picture.
Background
Currently, video and albums in video management systems need to upload profiles of various sizes for use by business parties.
In the prior art, an external cutting tool is used for cutting a picture, the cut picture is uploaded to a video management system, and then subsequent replacement operation is manually completed. Therefore, the cut picture needs manual replacement operation, the picture replacement operation is complex, and labor is consumed relatively.
In summary, how to reduce complexity of the replacement operation of the cut picture and reduce manual operation is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of this, the embodiments of the present application provide a method and an apparatus for replacing a post-cut picture, which aims to reduce complexity of the post-cut picture replacement operation and reduce manual operations.
In a first aspect, an embodiment of the present application provides a method for replacing a cut picture, including:
cutting a target picture according to the first picture size proportion to obtain a first cut picture;
uploading the first cut-out picture to a content distribution network;
generating a resource address of the first cut-out picture, wherein the resource addresses of the cut-out pictures obtained by cutting out the same target picture according to the same picture size proportion are the same;
cutting the target picture according to the first picture size proportion to obtain a second cut picture;
and replacing the first cut-out picture with the second cut-out picture according to the resource address of the first cut-out picture. Optionally, the cropping the target picture according to the first picture size ratio includes:
uploading the target picture to a video management system;
displaying the whole target picture on a page of a video management system;
cutting the target picture through a cutting tool of the video management system according to the picture size proportion;
the uploading the first cut-out picture to a content distribution network comprises:
uploading the first cropped picture from the video management system to the content distribution network.
Optionally, the generating the resource address of the first cropped picture includes:
and the first cut-out picture generates a resource address of the first cut-out picture through an information abstraction algorithm MD 5.
Optionally, after replacing the first cut-out picture with the second cut-out picture according to the resource address of the first cut-out picture, the method further includes:
cutting the target picture according to the first picture size proportion to obtain a third cut picture;
and replacing the second cut-out picture with the third cut-out picture according to the resource address of the first cut-out picture.
Optionally, the content distribution network includes: a CDN system;
the video management system includes: a VRS system.
Optionally, the first clipping resource address of the picture includes: the first cropped picture leaks url.
Optionally, the method further comprises:
cutting a target picture according to the second picture size proportion to obtain a fourth cut picture;
uploading the fourth cut-out picture to a content distribution network;
generating a resource address of the fourth cut-out picture;
cutting the target picture according to the second picture size proportion to obtain a fifth cut picture;
and replacing the fourth cut picture with the fifth cut picture according to the resource address of the fourth cut picture.
In a second aspect, an embodiment of the present application provides a device for replacing a cut-out picture, including:
the cutting module is used for cutting the target picture according to the first picture size proportion to obtain a first cut picture;
the uploading module is used for uploading the first cut-out picture to a content distribution network;
the generation module is used for generating the resource addresses of the first cut-out pictures, and the resource addresses of the cut-out pictures obtained by cutting out the same target picture according to the same picture size proportion are the same;
the cutting module is further used for cutting the target picture according to the first picture size proportion to obtain a second cutting picture;
and the replacing module is used for replacing the first cut-out picture with the second cut-out picture according to the resource address of the first cut-out picture.
Optionally, the cutting module includes:
the first uploading unit is used for uploading the target picture to the video management system;
the display unit is used for displaying the whole target picture on a page of the video management system;
the cutting unit is used for cutting the target picture through a cutting tool of the video management system according to the picture size proportion;
the uploading module comprises:
and the second uploading unit is used for uploading the first cut-out picture from the video management system to the content distribution network.
Optionally, the cropping module is further configured to crop the target picture according to the first picture size ratio to obtain a third cropped picture;
the replacing module is further configured to replace the second cut-out picture with the third cut-out picture according to the resource address of the first cut-out picture.
The application provides a method and a device for replacing a cut-out picture, wherein a target picture is cut out according to a first picture size proportion, a first cut-out picture is obtained, the first cut-out picture is uploaded to a content distribution network, and a resource address of the first cut-out picture is generated, wherein the resource addresses of the cut-out pictures obtained by cutting out the same target picture according to the same picture size proportion are the same. And then cutting out the target picture according to the first picture size proportion to obtain a second cut-out picture, and replacing the first cut-out picture with the second cut-out picture according to the resource address of the first cut-out picture. In this way, the first cut picture is uploaded to the content distribution network to generate the resource address of the first cut picture, and then the automatic replacement of the cut picture is realized according to the resource address of the first cut picture, so that the operations that the cut picture needs to be manually uploaded and manually replaced are avoided, and the complexity of the replacement operation of the cut picture is reduced.
Drawings
In order to more clearly illustrate the present embodiments or the technical solutions in the prior art, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a method flowchart of a method for replacing a cut picture according to an embodiment of the present application;
fig. 2 is a flowchart of another method for replacing a cut picture according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a device for replacing a cut picture according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. The method, the device and the control equipment for replacing the cut picture are used in the technical field of image processing. The foregoing is merely an example, and is not intended to limit the application fields of the method and apparatus names provided in the present application.
In the prior art, an external cutting tool is required to cut the picture, the cut picture is manually uploaded to a system, and the picture is manually replaced, so that the complexity of the picture replacing operation after cutting is greatly improved.
The inventor provides the technical scheme of the application through researching, and uploads the first cut-out picture to the content distribution network to generate the resource address of the first cut-out picture, and then realizes automatic replacement of the cut-out picture according to the resource address of the first cut-out picture, so that the operations that the cut-out picture needs manual uploading and manual replacement are avoided, and the complexity of the replacement operation of the cut-out picture is reduced.
In order to provide a better understanding of the present application, those skilled in the art will now make further details of the present application with reference to the drawings and detailed description. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Fig. 1 is a flowchart of a method for replacing a cut picture according to an embodiment of the present application, including:
s101: and cutting the target picture according to the first picture size proportion to obtain a first cut picture.
In the prior art, a clipping tool is not provided in a video management system, and the application provides a clipping tool applied in a video management system, namely, a target picture can be directly clipped on a page of the video management system according to a picture size proportion, wherein the picture size proportion comprises: 4:3, 16:9, cross-sectional, vertical, etc.
The method comprises the steps that a target picture is an original picture to be cut, the whole target picture is displayed on a page of a video management system, a cutting tool of the video management system is started in the video management system to cut the target picture, a first cut picture is obtained, and the first cut picture is obtained by cutting the target picture for the first time.
S102: and uploading the first cut-out picture to a content distribution network.
A content distribution network, comprising: a CDN system; the CDN is an intelligent virtual network constructed on the basis of the existing network, and by means of the edge servers deployed in various places, a user can obtain required content nearby through load balancing, content distribution, scheduling and other functional modules of the center platform, network congestion is reduced, and user access response speed and hit rate are improved. The key technologies of CDNs mainly include content storage and distribution technologies.
A video management system comprising: a VRS system. The VRS system is a copyright video management system, and can upload, transcode, publish and manage the copyright video of the video website, including maintaining the data, video information, copyright information and the like of the copyright video.
Uploading the first cropped picture from the video management system to the content distribution network.
S103: and generating the resource address of the first cut-out picture, wherein the resource addresses of the cut-out pictures obtained by cutting out the same target picture according to the same picture size proportion are the same.
For example: cutting a target picture according to the first picture size proportion to obtain a first cut picture, and generating a resource address of the first cut picture; cutting the target picture according to the first picture size proportion to obtain a second cut picture, and generating a new resource address; cutting a target picture according to the first picture size proportion to obtain a third cut picture, wherein a new resource address is not generated yet; but the target picture is cut according to the second picture size proportion to obtain a fourth cut picture, and a resource address for generating the fourth cut picture, namely a new resource address, is generated.
The first cut-out picture generates a resource address of the first cut-out picture through an information abstraction algorithm MD5, and the resource address of the first cut-out picture comprises: the first cropped picture leaks url. Picture leakage url is a standard resource address of a picture on the internet, and is a concise representation of the location and access method of a resource available from the internet.
The resource address of the first cut picture is the unique address of the target picture after cutting, and the resource address of the first cut picture is not changed when the cut picture is replaced.
S104: and cutting the target picture according to the first picture size proportion to obtain a second cut picture.
Because the target picture is uploaded to the video management system in the step S101, the target picture is not required to be uploaded again, the whole target picture is displayed on a page of the video management system, and a cutting tool of the video management system is started in the video management system to cut the target picture, so that a second cut picture is obtained. For example, if the target picture is to be cut again to obtain the second cut picture, the second cut picture is only required to be cut directly in the video management system, and the second cut picture is not required to be uploaded again.
S105: and replacing the first cut-out picture with the second cut-out picture according to the resource address of the first cut-out picture.
And replacing the first cut-out picture with the second cut-out picture according to the resource address of the first cut-out picture, namely the resource address of the original first cut-out picture corresponds to the first cut-out picture, and after the replacement, the resource address of the first cut-out picture corresponds to the second cut-out picture.
And replacing the obtained pictures according to the same resource address by cutting according to the same picture size proportion.
The application provides a method for replacing a cut picture,
and cutting out the target picture according to the first picture size proportion to obtain a first cut-out picture, uploading the first cut-out picture to a content distribution network, and generating a resource address of the first cut-out picture, wherein the resource addresses of the cut-out pictures obtained by cutting out the same target picture according to the same picture size proportion are the same. And then cutting out the target picture according to the first picture size proportion to obtain a second cut-out picture, and replacing the first cut-out picture with the second cut-out picture according to the resource address of the first cut-out picture. In this way, the first cut picture is uploaded to the content distribution network to generate the resource address of the first cut picture, and then the automatic replacement of the cut picture is realized according to the resource address of the first cut picture, so that the operations that the cut picture needs to be manually uploaded and manually replaced are avoided, and the complexity of the replacement operation of the cut picture is reduced.
It should be noted that the implementations presented in the following description are only exemplary and not representative of all implementations of the embodiments of the present application.
Fig. 2 is a flowchart of another method for replacing a cut picture according to an embodiment of the present application, including:
the embodiments of S201 to S205 are identical to the embodiments of S101 to S105, and will not be described here again.
S206: and cutting the target picture according to the first picture size proportion to obtain a third cut picture.
The target picture is an original picture to be cut, the whole target picture is displayed on a page of a video management system, a cutting tool of the video management system is started in the video management system to cut the target picture according to the first picture size proportion, a third cut picture is obtained, the third cut picture refers to a picture obtained by cutting the target picture for the third time, if the target picture is cut for the fourth time, a fourth cut picture is obtained, and the like, and the description is omitted here.
S207: and replacing the third cut-out picture with the second cut-out picture according to the resource address of the first cut-out picture.
And replacing the second cut-out picture with the third cut-out picture according to the resource address of the first cut-out picture, namely the resource address of the original first cut-out picture corresponds to the second cut-out picture, and after replacement, the resource address of the second cut-out picture corresponds to the third cut-out picture.
The target picture is uploaded to the video management system, so that the target picture can be directly cut, the picture cut can be directly replaced by the picture cut last time, and the resource address of the first cut picture is unchanged, so that the repeated returning work is not required to be performed by obtaining a new resource address, and the automatic replacement of the cut picture is realized.
For example, the operator uploads the target picture to the video management system, after the first cropping, a resource address of the first cropping picture which is not changed is obtained, if the operator is not satisfied with the cropping, the operator can directly crop the target picture again on the video management system, the second cropping picture can directly replace the first cropping picture according to the resource address of the first cropping picture, if the operator is not satisfied with the cropping, the operator can directly crop the target picture on the video management system for the third time, the third cropping picture can directly replace the second cropping picture according to the resource address of the first cropping picture, and so on until the operator is satisfied with the cropping picture.
The embodiments of the present application provide some specific implementations of a method for replacing a cut picture, and based on this, the present application further provides a corresponding device. The apparatus provided in the embodiments of the present application will be described from the viewpoint of functional modularization.
Referring to fig. 3, a schematic structural diagram of a device for replacing a cut-out picture is shown, the device includes:
a cropping module 310, configured to crop the target picture according to the first picture size ratio, to obtain a first cropped picture;
an uploading module 320, configured to upload the first cut-out picture to a content distribution network;
the generating module 330 is configured to generate a resource address of the first cut-out picture, where the resource addresses of the cut-out pictures obtained by cutting out the same target picture according to the same picture size ratio are the same;
the cropping module 310 is further configured to crop the target picture according to the first picture size ratio to obtain a second cropped picture;
and a replacing module 340, configured to replace the first cropped picture with the second cropped picture according to the resource address of the first cropped picture.
Optionally, the clipping module 310 includes:
the first uploading unit is used for uploading the target picture to the video management system;
the display unit is used for displaying the whole target picture on a page of the video management system;
and the cutting unit is used for cutting the target picture through a cutting tool of the video management system according to the picture size proportion.
Optionally, the uploading module 320 includes:
and the second uploading unit is used for uploading the first cut-out picture from the video management system to the content distribution network.
Optionally, the generating module 330 includes:
and the generating unit is used for generating the resource address of the first cut picture through the information abstraction algorithm MD 5.
Optionally, the cropping module 310 is further configured to crop the target picture according to the first picture size ratio to obtain a third cropped picture;
the replacing module 340 is further configured to replace the third cut-out picture with the second cut-out picture according to the resource address of the first cut-out picture.
Optionally, the cropping module 310 is further configured to crop the target picture according to the second picture size ratio to obtain a fourth cropped picture
The uploading module 320 is further configured to upload the fourth cropped picture to a content distribution network;
the generating module 330 is further configured to generate a resource address of the fourth cropped picture;
the cropping module 310 is further configured to crop the target picture according to the second picture size ratio to obtain a fifth cropped picture;
and the replacing module 340 is further configured to replace the fourth cut-out picture with the fifth cut-out picture according to the resource address of the fourth cut-out picture.
The embodiment of the application also provides corresponding equipment and a computer storage medium, which are used for realizing the scheme provided by the embodiment of the application.
The device comprises a memory for storing instructions or code and a processor for executing the instructions or code to cause the device to perform the method according to any of the embodiments of the present application.
The computer storage medium has code stored therein that, when executed, causes an apparatus for executing the code to perform the method described in any of the embodiments of the present application.
From the above description of embodiments, it will be apparent to those skilled in the art that all or part of the steps of the above described example methods may be implemented in software plus general hardware platforms. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which may be stored in a storage medium, such as a read-only memory (ROM)/RAM, a magnetic disk, an optical disk, or the like, including several instructions for causing a computer device (which may be a personal computer, a server, or a network communication device such as a router) to perform the methods described in the embodiments or some parts of the embodiments of the present application.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for the device embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference is made to the description of the method embodiments for relevant points. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
It is 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely one specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A method for replacing a cut-out picture, comprising:
cutting a target picture according to the first picture size proportion to obtain a first cut picture;
uploading the first cut-out picture to a content distribution network;
generating a resource address of the first cut-out picture, wherein the resource addresses of the cut-out pictures obtained by cutting out the same target picture according to the same picture size proportion are the same;
cutting the target picture according to the first picture size proportion to obtain a second cut picture;
and replacing the first cut-out picture with the second cut-out picture according to the resource address of the first cut-out picture.
2. The method of claim 1, wherein cropping the target picture according to the first picture size scale comprises:
uploading the target picture to a video management system;
displaying the whole target picture on a page of a video management system;
cutting the target picture through a cutting tool of the video management system according to the picture size proportion;
the uploading the first cut-out picture to a content distribution network comprises:
uploading the first cropped picture from the video management system to the content distribution network.
3. The method of claim 1, wherein generating the resource address of the first cropped picture comprises:
and the first cut-out picture generates a resource address of the first cut-out picture through an information abstraction algorithm MD 5.
4. The method of claim 1, wherein the replacing the first cropped picture with the second cropped picture according to the resource address of the first cropped picture further comprises:
cutting the target picture according to the first picture size proportion to obtain a third cut picture;
and replacing the second cut-out picture with the third cut-out picture according to the resource address of the first cut-out picture.
5. The method of claim 2, wherein the step of determining the position of the substrate comprises,
the content distribution network comprises: a CDN system;
the video management system includes: a VRS system.
6. The method of claim 1, wherein the first cropped picture resource address comprises: the first cropped picture leaks url.
7. The method as recited in claim 1, further comprising:
cutting a target picture according to the second picture size proportion to obtain a fourth cut picture;
uploading the fourth cut-out picture to a content distribution network;
generating a resource address of the fourth cut-out picture;
cutting the target picture according to the second picture size proportion to obtain a fifth cut picture;
and replacing the fourth cut picture with the fifth cut picture according to the resource address of the fourth cut picture.
8. A post-cut picture replacement apparatus, comprising:
the cutting module is used for cutting the target picture according to the first picture size proportion to obtain a first cut picture;
the uploading module is used for uploading the first cut-out picture to a content distribution network;
the generation module is used for generating the resource addresses of the first cut-out pictures, and the resource addresses of the cut-out pictures obtained by cutting out the same target picture according to the same picture size proportion are the same;
the cutting module is further used for cutting the target picture according to the first picture size proportion to obtain a second cutting picture;
and the replacing module is used for replacing the first cut-out picture with the second cut-out picture according to the resource address of the first cut-out picture.
9. The apparatus of claim 8, wherein the clipping module comprises:
the first uploading unit is used for uploading the target picture to the video management system;
the display unit is used for displaying the whole target picture on a page of the video management system;
the cutting unit is used for cutting the target picture through a cutting tool of the video management system according to the picture size proportion;
the uploading module comprises:
and the second uploading unit is used for uploading the first cut-out picture from the video management system to the content distribution network.
10. The apparatus of claim 8, wherein the device comprises a plurality of sensors,
the cutting module is further used for cutting the target picture according to the first picture size proportion to obtain a third cutting picture;
the replacing module is further configured to replace the second cut-out picture with the third cut-out picture according to the resource address of the first cut-out picture.
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