CN105488067B - Slide generation method and device - Google Patents
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- CN105488067B CN105488067B CN201410484460.6A CN201410484460A CN105488067B CN 105488067 B CN105488067 B CN 105488067B CN 201410484460 A CN201410484460 A CN 201410484460A CN 105488067 B CN105488067 B CN 105488067B
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- 238000012216 screening Methods 0.000 claims description 51
- 239000000463 material Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 9
- 238000004364 calculation method Methods 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 239000000284 extract Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 2
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- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
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- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
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- G—PHYSICS
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- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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Abstract
The invention provides a method and a device for generating a slide. Relates to the field of mobile applications; the problem of slide broadcast mode use experience is poor on current mobile terminal is solved. The method comprises the following steps: acquiring a plurality of pictures selected by a user and used for making a slide; acquiring a background audio file; determining the slide playing speed according to the duration of the background audio and the number of pictures for making a slide; and generating a slide according to the playing speed. The technical scheme provided by the invention is suitable for the mobile terminal, and realizes the slide generation of the user-defined content and the synchronous playing.
Description
Technical Field
The present invention relates to the field of mobile applications, and in particular, to a method and an apparatus for generating a slide show on a mobile terminal.
Background
The universality and importance of the mobile terminal in the modern society are undoubted, and as the importance of the mobile terminal increases, the entertainment of the mobile terminal is more and more emphasized by users, particularly, the shooting function and the editing and making of related post pictures are more and more abundant, and making of slides is also one of the important functions. At present, the slide application which is common on a terminal is to preview and play slides which have been taken at a certain frame rate and have different animation effects, and can add background music.
However, the slide playing mode content on the existing mobile terminal is not customizable, and the problem that the audio and the picture playing are not synchronous easily occurs, so that the use experience is poor.
Disclosure of Invention
The invention provides a slide generation method and device, and solves the problem that the slide playing mode on the existing mobile terminal is poor in use experience.
A slide generation method, comprising:
acquiring a plurality of pictures selected by a user and used for making a slide;
acquiring a background audio file;
determining the slide playing speed according to the duration of the background audio and the number of pictures for making a slide;
and generating a slide according to the playing speed.
Preferably, the acquiring the plurality of pictures selected by the user for making the slide show comprises:
acquiring a plurality of pictures clicked one by a user;
and counting the number of the pictures selected by the user.
Preferably, the acquiring the plurality of pictures selected by the user for making the slide show comprises:
acquiring a photo screening condition selected by a user;
screening a plurality of pictures for making a slide from the pictures locally stored in the terminal according to the screening condition;
and counting the number of the pictures obtained by screening.
Preferably, the screening conditions include any one or more of:
shooting time or storage time, shooting place, and self-defining tag content.
Preferably, the obtaining of the user-selected photo screening condition includes:
directly acquiring screening condition content input by a user; or,
and acquiring a first picture clicked by a user, and determining the content of the screening condition from the attribute information of the picture.
The present invention also provides a slide generation apparatus, comprising:
the picture material acquisition module is used for acquiring a plurality of pictures selected by a user and used for making a slide;
the audio acquisition module is used for acquiring a background audio file;
the playing rate calculation module is used for determining the playing rate of the slide according to the duration of the background audio and the number of pictures for making the slide;
and the slide making module is used for generating a slide according to the playing speed.
Preferably, the image material obtaining module includes:
the user selection collecting unit is used for acquiring a plurality of pictures clicked one by the user;
and the first number counting unit is used for counting the number of the pictures selected by the user.
Preferably, the image material obtaining module includes:
the screening condition configuration unit is used for acquiring the photo screening conditions selected by the user;
the screening execution unit is used for screening a plurality of pictures for making a slide from the pictures locally stored in the terminal according to the screening condition;
and the second quantity counting unit is used for counting the quantity of the pictures obtained by screening.
Preferably, the screening conditions include any one or more of:
shooting time or storage time, shooting place, and self-defining tag content.
Preferably, the screening condition configuration unit includes:
the direct configuration subunit is used for directly acquiring the screening condition content input by the user;
and the configuration information extraction subunit is used for acquiring the first picture clicked by the user and determining the content of the screening condition from the attribute information of the picture.
The invention provides a slide generation method and a slide generation device, which are characterized in that a plurality of pictures selected by a user for making a slide are firstly obtained, then background audio files are obtained, then the slide playing speed is determined according to the duration of the background audio and the number of the pictures for making the slide, and the slide is generated according to the playing speed. The slide generation of the user-defined content and the synchronous playing is realized, and the problem of poor use experience of the slide playing mode on the conventional mobile terminal is solved.
Drawings
Fig. 1 is a schematic structural diagram of a slide show making system according to an embodiment of the present invention;
fig. 2 is a flowchart of the intelligent selection of the photo selection module 101;
FIG. 3 is a flow chart of manual selection by the photo selection module 101;
FIG. 4 is a flowchart of the audio file selection module 102 selecting an audio file;
FIG. 5 is a flow chart of the final slide show generation module 103 generating a slide show;
fig. 6 is a flowchart of a slide generation method according to a second embodiment of the present invention;
fig. 7 is a schematic structural diagram of a slide show generating apparatus according to a third embodiment of the present invention;
fig. 8 is a schematic structural diagram of the picture material obtaining module 701 in fig. 7;
fig. 9 is a schematic structural diagram of the screening condition configuration unit 7013 in fig. 8.
Detailed Description
At present, the slide application which is common on a terminal is to preview and play slides which have been taken at a certain frame rate and have different animation effects, and can add background music. However, the method has two disadvantages, namely, firstly, the user can only preview the slides of all the photographed photos, can not select the photos in a self-defined manner, and can not select the photos intelligently according to the photo attributes by automatic matching; second, the user cannot control the number of slides and the fit of music played, and sometimes background music is not played, but photos are played, and sometimes slides are not played, but music is too short.
In order to solve the above problem, embodiments of the present invention provide a method and an apparatus for generating a slide on a mobile terminal, so that a user can select a photo at will and provide an intelligent matching function, that is, photos with the same attribute are automatically matched according to the attribute of the photo selected by the terminal for automatic selection, and user experience is also improved well.
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
First, a first embodiment of the present invention will be described with reference to the drawings.
An embodiment of the present invention provides a slide making system, the structure of which is shown in fig. 1, including:
a photo selection module 101, which includes a counter and provides an intelligent selection function;
a music selection module 102;
The modules form the whole slide making system, and the specific scheme is described below.
After the user takes a picture, the user can select the taken picture in a self-defined way, and can select the picture by using an intelligent matching function and automatically matching according to the specific attribute of the selected picture; the self-defined selected audio file can be loaded as the playing background, and the playing speed can be calculated according to the duration of the selected music and the number of the selected photos, so that the effect that the music playing duration is perfectly matched with the slide playing duration is achieved.
After the user takes the photos, a slide is made. The terminal can enter the saved photo path from the entrance of the file manager when making the slide, and the counter increases one after selecting one photo until the photo is selected, and the counter accumulates the number of the selected photos and sends the photos to the slide making module, wherein the process of manually selecting the photos is described above.
If the user opens the intelligent selection function before selecting the picture, the system provides two intelligent selection modes at the moment, wherein one mode is according to the picture taking time, and the other mode is according to the picture taking place. If the former is selected, the system automatically extracts the time information in the file attribute after the user selects the first photo, then automatically searches for the file matched with the same attribute in the current path, and the system automatically selects and increments a counter when a photo with the same attribute is searched until all searches are completed, and sends the final result to the slide making module. If the intelligent selection is selected according to the picture taking place, because the place attribute needs to open the GPS function before the picture taking, not all the pictures have the place attribute, the system can extract the file attribute of the first picture to see whether the place information exists, if the next selection is not carried out, but the picture information selected by the user is effectively stored, the counter can be accumulated and sent to the slide making module, until the first picture with the place attribute appears, the place information can be stored, then the pictures with the same place attribute are searched, and the pictures are automatically selected when one picture is searched, the counter is increased by one until the searching is completed, and finally selected picture information and accumulated number are sent to the slide making module.
After the photos are selected, the terminal enters the path of audio file storage of the file manager to select background music, the terminal extracts the time length information of the audio file storage at the moment, and the information is stored and then sent to the slide making module; the slide making module calculates the slide playing speed in a functional mode according to the number of the photos in the counter and the obtained music time, and the effect that the music time is matched with the slide playing time is met to the greatest extent.
Firstly, a photo selecting module 101 of the terminal is provided, if the user does not open the intelligent selecting function, the terminal performs manual selection: the system enters a path for storing pictures of a file manager to select, a counter of a picture selection module is increased by one when a user operates an effective selection operation once, when the picture selection is completed, a terminal receives a trigger signal of the system, the counter is accumulated to be finished, a final accumulation result is stored and sent to a slide making module, and the counter is reset; if the user opens the intelligent selection function: the user can select automatically according to the photographing time or automatically according to the photographing place. The selection is automatically selected according to the photographing time, the terminal automatically extracts the time attribute of the file when the first photo is selected, then automatically searches for the file with the same attribute, namely the extracted file attribute is stored, then compares the bytes in all other file attributes, if the bytes are the same, the time is consistent, the system automatically selects the photo, the system sends the photo information to the slide making module every time effective selection is carried out, and the counter is incremented until all photos are automatically selected, and the process is consistent with the manual selection. If the picture is selected to be automatically selected according to the shooting place, the terminal extracts the place attribute of the selected first picture, if the place attribute does not exist, the picture does not have a matching element, but is effectively selected once, the system sends the picture information to a slide making module and adds one to a counter, the next picture is continuously selected until the first picture with the place attribute appears, at the moment, the terminal extracts the place information, the files with the same attribute are automatically searched and matched, when one picture is searched, the picture is labeled and sent to the slide making module, the counter is added with one, and the counter is reset until the searching and matching are completed.
After the photo is selected, the system enters a music selection module 102, the module enters an inlet of a file manager to find a storage path of an audio file, and after a user effectively selects the audio file, the music selection module extracts duration information of the audio file and sends the information to a slide making module 103; after the pictures and music are selected, the system proceeds to the slide show making module 103. The slide making module 103 calculates the matched playing speed in a functional manner according to the received information of the number of photos and the length of music, if the selected audio file is too short, the calculated playing speed is less than a specific value, (the value can be preset by the user, and is a default minimum experience value of the system if not set), the slide making module 103 prompts the user that the music is too short and the music needs to be selected again, and then the slide making module enters the music selecting module 102, the user can re-select an audio file with longer duration, or re-select an audio file and the previous audio file to play in sequence, and if the latter is selected, the slide making module 103 needs to add up the duration of the music obtained for the first time and the duration of the music obtained for the second time to calculate the playing speed. After the playing speed is set, the user can select the playing effect, and after the above settings are completed, the system plays the selected photos once at the set music background and according to a certain playing speed, and at this time, the whole slide is made.
As shown in fig. 2, a flowchart of intelligent selection of the photo selection module 101 according to the present invention is used to obtain information of specific photos selected by a terminal and accumulate the number of the photos. The user first selects either automatic selection by time or automatic selection by location. If the selection is automatically selected according to the time, the first photo is selected manually, the terminal labels and counts the information of the photo and sends the information to the slide making module 103, and the time attribute of the file is extracted and stored. And then searching all pictures in sequence, comparing the stored time attributes with the same bytes of each picture file, if the comparison results are consistent, automatically selecting a picture, marking the picture, sending the information to a 103 module, and adding one to a counter. Repeating the above processes until all the pictures are searched, wherein the system receives the trigger message after the completion, all the files with the same time attribute are automatically selected at the moment, and the counter is reset. If the latter is selected, i.e. the picture is automatically selected according to the location information, the first picture is manually selected, the terminal tags the information of this picture and counts it and sends it to the slide making module 103, and judges whether the location information of the file can be extracted (whether the file contains location information, depending on whether the GPS function is turned on or not at the time of taking the picture), if not, the photo is effectively selected once, the information is sent to the module C according to the flow, and the counter is increased by one, the photos are manually selected again, the above processes are repeated until the first photo with the place attribute appears, the information is extracted and stored, all the photos are sequentially searched, and comparing whether the same bytes are consistent or not, if so, automatically selecting until all pictures are compared, at the moment, all the pictures with the same place attribute are selected, and resetting after the counter result is sent to C.
Fig. 3 is a flowchart of manual selection by the photo selection module 101. The terminal firstly searches a picture storage path through a path of a file manager, then manually selects pictures, marks each picture successfully selected and sends the mark to a module C, a counter accumulates and adds one after acquiring a message of successfully selecting the picture each time until the selection is finished, the result is also sent to a slide making module 103 for making slides, the slide making module 103 receives the message and stores the message, and the counter is reset.
Fig. 4 is a flowchart illustrating the audio file selecting module 102 selecting an audio file according to an embodiment of the present invention.
The terminal searches a storage path from the audio file through the path of the file manager, and then selects the audio file. After receiving the message of effectively selecting the file, the terminal marks the file and sends the file to the slide making module 103, extracts the duration information of the file and sends the duration information to the slide making module 103, and the slide making module 103 stores the information after receiving the information.
Fig. 5 is a flowchart of the final slide creation module 103 generating a slide. Firstly, the information acquired by the photo selection module 101 and the audio file selection module 102 is extracted respectively, and the proper playing speed is calculated in the following function calculation mode.
Function one: playing speed ═ music duration (s)/number of photos (sheets)
The terminal allows the user to set the minimum value of the play speed in advance, and if the user does not set it, a default empirical value is adopted. If the calculated playing speed is less than the minimum value, the system prompts the user that the user needs to select the music background file again, can cancel the file selected last time to select again, and can accumulate the file selection again on the basis of the file selected last time and re-enter the flow of the module B. If the user selects the latter, the system will play the files selected twice in sequence, accumulate the durations, and calculate the play speed again in the manner of the above function one.
The photo information determined by the photo selection module 101, the audio file information determined by the audio file selection module 102, and the whole processing flow of the slide show making module 103 constitute a whole slide show making system, and the selected files are sequentially played with the selected audio files as a background according to the calculated playing speed until the photo and music playing is finished.
The first embodiment of the present invention will be described below with reference to the accompanying drawings.
An embodiment of the present invention provides a slide generation method, where a flow of making a slide using the method is shown in fig. 6, and the method includes:
601, acquiring a plurality of pictures selected by a user and used for making a slide;
in the embodiment of the invention, the used picture can be a photo obtained by photographing the mobile terminal or other stored pictures.
In this step, the specific acquisition includes two modes, which are respectively:
1. determining pictures to be used for making a slide by a user in a mode of selecting one by one;
in this way, the mobile terminal first obtains a plurality of pictures clicked one by the user, and then counts the number of the pictures selected by the user. Specifically, the counter may be incremented by 1 each time the user selects one picture, and reference may be made to the relevant description in the first embodiment of the present invention.
2. The user starts an automatic matching mode, and the terminal selects pictures according to the screening conditions set by the user;
the screening conditions include any one or any plurality of the following:
shooting time or storage time, shooting place, and self-defining tag content.
The custom tag content may be a picture title edited by a user when taking a picture or saving the picture, a group (folder) in which the picture is located, and the like.
Firstly, acquiring a photo screening condition selected by a user, specifically comprising:
1) the screening condition content input by the user is directly obtained, namely, the user can directly set the screening condition. When the filtering condition is set, the filtering condition including only one content may be set, for example, only the shooting time or the storage time is 2014 year 2/month 10 or only the shooting location is shanghai, or the filtering condition including a plurality of contents may be set, for example, pictures in the picture folder from 1 month 1 to 3 months 1 day 2014.
2) Acquiring a first picture clicked by a user, and determining the content of a screening condition from the attribute information of the picture;
after a user selects a picture, the attribute information of the picture, such as shooting or storage time, shooting place and the like, is extracted, the attribute information is used as a screening condition, and other pictures with the same attribute information are selected as pictures for making a slide.
After the screening conditions are determined, a plurality of pictures can be screened out from the pictures stored locally in the terminal according to the screening conditions for making a slide.
Counting the number of the pictures obtained by screening
in this step, an audio file serving as a background sound of the slide is selected from audio files locally stored in the mobile terminal.
in this step, the playing speed can be calculated, i.e. the time for displaying each picture is determined, so as to ensure that the picture display and the audio playing are basically finished at the same time, and eliminate the problem that the picture display is finished but the audio file is not played or the audio file is played and the picture is still continuously displayed. The specific calculation method can refer to the corresponding description in the first embodiment of the invention.
And step 604, generating a slide according to the playing speed.
The third embodiment of the present invention will be described below with reference to the accompanying drawings.
An embodiment of the present invention provides a slide generation apparatus, where the structure of the apparatus is shown in fig. 7, and the apparatus includes:
a picture material obtaining module 701, configured to obtain multiple pictures selected by a user for making a slide;
an audio obtaining module 702, configured to obtain a background audio file;
a playing rate calculation module 703, configured to determine a slide playing rate according to the duration of the background audio and the number of pictures used for making a slide;
and a slide making module 704, configured to generate a slide according to the playing rate.
Preferably, the structure of the picture material obtaining module 701 is as shown in fig. 8, and includes:
the user selection collecting unit 7011 is configured to obtain a plurality of pictures clicked one by the user;
a first number counting unit 7012, configured to count the number of pictures selected by the user.
Preferably, the image material obtaining module 701 further includes:
a screening condition configuration unit 7013, configured to obtain a photo screening condition selected by a user;
the screening execution module 7014 is configured to screen out a plurality of pictures from the photos locally stored in the terminal according to the screening condition to make a slide;
and a second quantity counting unit 7015, configured to count the number of the screened pictures.
Preferably, the screening conditions include any one or more of:
shooting time or storage time, shooting place, and self-defining tag content.
Preferably, the configuration of screening condition configuration unit 7013 is as shown in fig. 9, and includes:
a direct configuration subunit 901, configured to directly obtain the content of the filtering condition input by the user;
the configuration information extracting subunit 902 is configured to acquire a first picture clicked by the user, and determine the content of the filtering condition from the attribute information of the picture.
The slide generation device can be integrated in the mobile terminal system, and can also be installed in the mobile terminal system as a single software application, and the mobile terminal can complete corresponding functions.
The embodiment of the invention provides a slide generation method and a slide generation device. The slide generation of the user-defined content and the synchronous playing is realized, and the problem of poor use experience of the slide playing mode on the conventional mobile terminal is solved.
It will be understood by those of ordinary skill in the art that all or part of the steps of the above embodiments may be implemented using a computer program flow, which may be stored in a computer readable storage medium and executed on a corresponding hardware platform (e.g., system, apparatus, device, etc.), and when executed, includes one or a combination of the steps of the method embodiments.
Alternatively, all or part of the steps of the above embodiments may be implemented by using an integrated circuit, and the steps may be respectively manufactured as an integrated circuit module, or a plurality of the blocks or steps may be manufactured as a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The devices/functional modules/functional units in the above embodiments may be implemented by general-purpose computing devices, and they may be centralized on a single computing device or distributed on a network formed by a plurality of computing devices.
Each device/function module/function unit in the above embodiments may be implemented in the form of a software function module and may be stored in a computer-readable storage medium when being sold or used as a separate product. The computer readable storage medium mentioned above may be a read-only memory, a magnetic disk or an optical disk, etc.
Any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present disclosure, and all such changes or substitutions are included in the scope of the present disclosure. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A slide generation method, comprising:
acquiring a plurality of pictures selected by a user and used for making a slide;
acquiring a background audio file;
determining the slide playing speed according to the duration of the background audio and the number of pictures for making a slide;
generating a slide according to the playing speed; wherein,
acquiring a plurality of pictures selected by a user for making a slide show comprises the following steps:
acquiring a photo screening condition selected by a user;
screening a plurality of pictures for making a slide from the pictures locally stored in the terminal according to the screening condition;
counting the number of the pictures obtained by screening; wherein,
the screening condition comprises a shooting place; and the GPS function of the terminal needs to be turned on before photographing.
2. The slide show generation method of claim 1, wherein obtaining a plurality of pictures selected by the user for making the slide show comprises:
acquiring a plurality of pictures clicked one by a user;
and counting the number of the pictures selected by the user.
3. The slide generation method according to claim 1, wherein the filtering condition further includes any one or more of:
and (4) self-defining the tag content by shooting time or storage time.
4. A slide show generation method as claimed in claim 1 or 3, wherein obtaining the user-selected photo filtering conditions comprises:
directly acquiring screening condition content input by a user; or,
and acquiring a first picture clicked by a user, and determining the content of the screening condition from the attribute information of the picture.
5. A slide generation apparatus, comprising:
the picture material acquisition module is used for acquiring a plurality of pictures selected by a user and used for making a slide;
the audio acquisition module is used for acquiring a background audio file;
the playing rate calculation module is used for determining the playing rate of the slide according to the duration of the background audio and the number of pictures for making the slide;
the slide making module is used for generating a slide according to the playing speed; wherein,
the picture material acquisition module comprises:
the screening condition configuration unit is used for acquiring the photo screening conditions selected by the user;
the screening execution unit is used for screening a plurality of pictures for making a slide from the pictures locally stored in the terminal according to the screening condition;
the second quantity counting unit is used for counting the quantity of the pictures obtained by screening; wherein,
the screening condition includes a shooting place and requires turning on a GPS function of the terminal before shooting.
6. The slide show generating apparatus as claimed in claim 5, wherein said picture material acquiring module comprises:
the user selection collecting unit is used for acquiring a plurality of pictures clicked one by the user;
and the first number counting unit is used for counting the number of the pictures selected by the user.
7. The slide generation apparatus of claim 5, wherein the filtering condition comprises any one or more of:
and (4) self-defining the tag content by shooting time or storage time.
8. The slide generating apparatus according to claim 5 or 7, wherein the filtering condition configuring unit includes:
the direct configuration subunit is used for directly acquiring the screening condition content input by the user;
and the configuration information extraction subunit is used for acquiring the first picture clicked by the user and determining the content of the screening condition from the attribute information of the picture.
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| CN201410484460.6A CN105488067B (en) | 2014-09-19 | 2014-09-19 | Slide generation method and device |
| PCT/CN2014/095699 WO2015131651A1 (en) | 2014-09-19 | 2014-12-30 | Slide generation method and device |
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| CN201410484460.6A CN105488067B (en) | 2014-09-19 | 2014-09-19 | Slide generation method and device |
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| CN112102847B (en) * | 2020-09-09 | 2022-08-09 | 四川大学 | Audio and slide content alignment method |
| CN113706401B (en) * | 2021-07-05 | 2024-05-10 | 南京师范大学 | Slide automatic shooting and intelligent editing method based on mobile phone camera |
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| CN1779715A (en) * | 2004-09-14 | 2006-05-31 | 索尼株式会社 | Information processing apparatus, method and program therefor. |
| CN102959549A (en) * | 2011-04-21 | 2013-03-06 | 松下电器产业株式会社 | Classification device and classification method |
| CN102323936A (en) * | 2011-08-31 | 2012-01-18 | 宇龙计算机通信科技(深圳)有限公司 | Method and device for automatically classifying photos |
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