TWI453701B - Cloud video content evaluation platform - Google Patents

Description

Cloud audio and video works evaluation platform

The invention relates to an audio-visual work evaluation platform, in particular to a cloud-based audio-visual work evaluation platform.

According to the advancement of information technology and the rise of the cloud system, there are quite a lot of people sharing their own audio-visual works in the online world. Learning how to make attractive audio-visual works has gradually become a trend. In response to the learning needs, there are many audio-visual courses in the school, and the number of first users who learn audio-visual design and processing is constantly increasing, which also causes problems. For example, in addition to the teaching of audio-visual courses, the second user is increasingly burdened with the correction and evaluation of the first user's audio-visual work. Although U.S. Patent No. 5,978,648 provides a system for teachers to score students' actual assignments, the content of the assignments can be combined with multimedia operations such as text, sound, and visual resources. The system also provides resources such as Internet, audio and video to assist students in completing Presentations, and allows teachers and students to communicate with a variety of multimedia content. However, it is not able to provide any commentary on the film or animation, and it is not possible for the second user to point out the problem of any segment of the film. In addition, the research on the master's thesis of the Institute of Information and Communication of Nantai University of Science and Technology, published in August 1996, and the introduction of the peer-to-peer evaluation mechanism, although providing the online evaluation mechanism of the film, still lacks the freedom to provide movies or animations. The function of reviewing the description does not allow the second user to indicate the video. The problem point of any fragment.

Traditionally, the medium in which the first user pays for audio and video work is a pen drive, a CD, a blog, or a website (such as YouTube) to pay the first user's audio and video work. For the use of flash drives and CDs to pay video and audio operations, it is necessary to copy and burn multiple copies of a large amount of data for both the first user and the second user. In addition, the use of blogs to pay homework, although you can upload audio and video jobs, eliminating the trouble of copying, burning and carrying large-capacity files, but browsing or evaluating audio and video operations can not automatically play online progressively or streaming, only Can be downloaded in the attached file, not only take time to wait for download, but also need to find the appropriate player to play the audio and video operations after downloading, the overall operation is complex and inefficient. In addition, the use of the website to pay for audio and video operations, although you can upload audio and video games and play audio and video games in a progressive or streaming manner, but often there will be advertising screens to interfere with viewing video and audio operations during playback. It can be seen from the foregoing description that audio-visual works often have large data volume and various formats, which are easy to cause inconvenience in downloading and playing, and the mechanism for managing, playing, and evaluating the first user's audio-visual work is still not available.

The main purpose of the present invention is to provide a cloud audio-visual work evaluation platform, which is convenient for a second user to evaluate audio-visual works, and provides playback for the first user audio and video operation, playback with original and evaluation browsing modes, and can be freely available in the movie. At the time, the assessment mechanism of the review description is added.

A secondary object of the present invention is to provide a cloud audio and video work evaluation platform, which can convert the uploaded audio and video data into a unified format for convenient transmission.

Therefore, in order to achieve the foregoing objective, a cloud-based audio-visual work evaluation platform according to the present invention is provided in a cloud system, and the cloud audio-visual work evaluation platform includes the following systems and steps: a) identity confirmation: an identity The confirmation system is preset in the cloud system, and the identity confirmation system generates an initial screen for inputting an account number and a password at the beginning; the first user inputs an account number and a password to the identity confirmation system, and the identity confirmation system confirms the first User identity, if correct, continue to the next step, if it is wrong, an error message is displayed to remind the first user to enter the correct account or password, and return to the initial screen; b) video and audio data upload: the cloud system has a folder, the first user uploads a video material to the folder; a file transfer system is preset to the cloud system, and the file system transmits the video data to the folder after the video file is transferred to the folder Convert to a predetermined file format and then restore it to the folder; c) video and audio data evaluation: the second user enters the account number and password to the identity confirmation In the initial screen, the identity confirmation system confirms the identity of the second user, and if it is correct, enters a rating system preset to the cloud system, and if it is an error, returns to the initial screen; the rating system links the folder The second user selects the audio-visual data stored in the folder in the evaluation system and evaluates it after viewing; the second user inputs a rating data to the rating when the evaluation is completed. A quantity system that automatically stores the assessment data in the folder.

In this way, the second user can use the cloud-based audio-visual work evaluation platform provided by the present invention to perform the audio-visual job evaluation by using the smart phone or the tablet computer to connect to the cloud system at any place, and integrate the audio-visual job management and playback. And evaluation makes the second user more convenient for audio and video work evaluation Volume work.

The main features of the audio-visual works of the present invention are three. Firstly, it provides an evaluation of the evaluation of the audio-visual works at any time, so that the opinions after reviewing the film are compared with many online tests with online review or scoring functions. Or the operation payment system, the review description, because the processing object is text, so does not include the dimension of the time axis, so only one review description can be input, and the present invention deals with the audio-visual work, thus including the dimension of the time axis. , its review instructions can be added at any point in the timeline. The review notes may include videos, animations, audio, video, live hand-drawn images and texts, and even live video or audio of the reviewers. The above-mentioned film review methods are mainly for catering to the actual film review. There are usually many places that need to be reviewed and explained. Therefore, the best way to do this is to play the reviewed videos while providing playback control buttons with play, pause, stop and fast forward. The reviewers feel that while watching the videos, It is necessary to add a review instruction at this point in time, and then use the play control button to pause the play of the movie and enter the state of the review description, and the review description includes the currently used media in addition to the general text, which may be a movie, a An image or a piece of sound to provide a reference for film production, or to record the dynamics or sounds of the reviewer's site to provide a demonstration or reference for the reviewee, so that the entire review process is not only a sense of presence, but also more diverse and added. Its fun. After a review instruction is completed, the video can be played until the next time the review instruction is added. At this time, as described above, the pause play button can be pressed again to edit the input of the review description. However, there is no limit to the number of raises in the review instructions, which can be established according to actual needs.

Secondly, there are two browsing modes: original and evaluation. After the trial, the reviewee can enter the platform of the present invention to view the results and comments. The present invention provides a technology for quickly switching between the original and the evaluation modes, and can be provided to the reviewer to view the review instructions without original review and explanation. The review shows the comparison of the displays to make the results of the review more clear and more instructive.

The third is to have peer-to-peer mutual evaluation mechanism, which enables mutual evaluation among peers. The mutual evaluation is characterized by allowing the evaluators to obtain more opinions, and opinions from different ethnic groups with teachers can make the results of the review. More objective.

In order to explain the technical features of the present invention in detail, the following preferred embodiments will be described with reference to the drawings, wherein:

As shown in the first to second embodiments, a cloud-based audio-visual work evaluation platform 10 according to the first preferred embodiment of the present invention is installed in a cloud system 1, and the cloud-based audio-visual work evaluation platform 10 package mainly includes There are: a folder 12, a shifting system 14 and an evaluation system 15.

The folder 12 is preset to the cloud system 1 for storing audio and video data.

The shifting system 14 is preset to the cloud system 1. After the video data is transmitted to the folder 12, the shifting system 14 converts the video and audio data into a predetermined file format and then restores the data to the folder 12.

The evaluation system 15 is preset to the cloud system 1, and generates an assessment data 16 at each time point of the video and audio data. It should be noted that, here, the assessment data 16 includes a rating, as well as a marker symbol, a movie animation, a voice, or a hyperlink.

Next, the usage mode of the preferred embodiment is introduced, which mainly includes the following steps: a) identity confirmation, b) video and audio data uploading, and c) video and audio data evaluation.

Step a) Identity confirmation: firstly, an identity confirmation system 11 is preset to the cloud system 1. The identity verification system 11 generates an initial screen for inputting an account number and a password at the beginning; the first user inputs an account number and The password is sent to the identity verification system 11, and the identity confirmation system 11 confirms the identity of the first user. If it is correct, it proceeds to the next step. If it is an error, an error message 111 is displayed to remind the first user to input the correct account or password. And return to the initial screen.

b) video and audio data uploading: the cloud system has the folder 12, the first user uploads a video material 13 to the folder 12, and the video material 13 can be various audio and video formats, such as wmv, avi, mov, mp4 , flv, mts, mp3 or pdf, and after the uploading of the video material 13 is completed; the shifting system 14 is preset to the cloud system 1, and the shifting system 14 transmits the video data 13 to the folder 12 Thereafter, the video material 13 is converted into the predetermined file format and then restored to the folder 12. It should be noted that, in the preferred embodiment, the predetermined file format is an H.264 format for network playback.

c) audio and video data evaluation: the second user inputs the account number and password to the initial screen of the identity verification system 11, the identity confirmation system 11 confirms the identity of the second user, and if it is correct, enters the preset to the cloud system 1 The evaluation system 15 returns to the initial screen if it is an error; the evaluation system 15 is connected to the folder 12, and the second user selects the video material 13 stored in the folder 12 in the evaluation system 15 And after the viewing, the second user will input a rating data 16 to the The assessment system 15 automatically stores the assessment data 16 in the folder 12.

In addition, in the preferred embodiment, in step c), the evaluation system 15 further has a circle selection device 151 and a summary display device 152. The second user can use the circle selection device 151 on the video material 13 screen. Any of the marked symbols is generated and a note data 17 is stored in the folder 12, and the text and punctuation are entered using the summary display device 152, and a summary data 18 is generated and stored in the folder 12. It is worth mentioning that the evaluation system 15 can be designed to allow only the second user to use or both the first user and the second user. When both the first user and the second user are available, the first user or the second user can open the circle selection device 151 or the summary display device 152, if the circle selection device 151 or the abstract is turned on When the video material 13 is viewed in the case of the display device 152, the rating system 15 links the symbol data 17 or the summary material 18 such that the circled symbol or typed text is presented along with the video material 13. In addition to more objective assessment of audio and video data, the first user can evaluate their audio and video materials to each other and increase learning fun.

According to the introduction of the preferred embodiment of the present invention, the second user can use the cloud-based audio-visual work evaluation platform 10 provided by the present invention to connect to the cloud system at any location to perform audio-visual operation evaluation. The amount of integrated audio and video job management, playback and evaluation makes it easier for the second user to perform audio and video job evaluation.

Referring to the third figure, the second preferred embodiment of the present invention includes at least one client computer 21 for providing a first user connection to the servo. And the at least one server (server) 22 is configured to provide programs and materials for the audio-visual work scoring operation, and includes an uploading module 221 for uploading audio-visual works, The conversion module 222 is used for converting the audio-visual work file format, the one-scoring module 223 is used for the work of the audio-visual work, the browsing module 224 is used for providing the browsing results, and the database 225 is used for storing the audio-visual The client and the rating related information, the client is connected to the server 22 through the network. When the first user selects to upload the audio-visual work file, the client computer 21 connects to the uploading module and performs the operation of uploading the audio-visual work, and simultaneously The uploaded audio and video works are stored in the database 225, and after the uploading is completed, the transfer module 222 is activated to perform file format conversion. The purpose of the file conversion is two, one of which is to convert into a video format supported by the client. Play, and the other is to convert to a format suitable for playing on the network, to enhance the performance of the play, after the first user uploads the audio-visual work and the transfer is completed, The user can connect to the scoring module 223 by using the client computer 21 to perform the scoring operation, and the fourth figure is the second preferred embodiment review operation, including a video work 31, a play control button 32, and a group of reviews. The accessory option button 33 is illustrated, and a set of review instructions 34, wherein the audio-visual work 31 is the target of the score, the play control button 32 provides play control for playing, pausing, stopping, and fast-forward, and the second user can play the video-recorded work 31 for performing. Rating, when a certain point in the audio-visual work 31 needs to be added, at this time, the second user can press the pause button to perform the input and editing of the review description 34 on the current screen, and the review description 34 can be Any line, graphic or text drawn by the second user through the input device can be selected by the option button 33 to record the second on the spot. The user's review explains the video or recording, and other files such as videos, animations, audio, images and texts can be attached. When the second user presses the archive button 35, the client computer will send the review instructions of the second user. To the scoring module 223, the scoring module 223 will receive the review description in the existing data repository 225, and the stored content, such as the seventh graph, includes a start time 341 for recording the time when the review description is located in the scoring target. The point type and the description type are used to indicate the description type 342, a display position 343 for indicating the position of the description display, and a description content 344 for storing the text content of the description or the content of the attachment or the file name of the attachment or The URL and a graphic information 345 are used to point to a storage location that describes the detailed information of the graphic. Figure 8 is a record pointed to by the graphic information 345, which includes a graphic type 3451 for recording the pattern of the graphic, such as lines, rectangles, circles, polygons, etc., a color 3452 for recording the color of the line, a line width of 3453 for Recording the width of the graphical line segment, a fill 3454 for recording the color inside the closed graphic, and a subsequent position 3455 for recording another diagonal point position of the rectangle or the radius of the circle or other vertices of the polygon or other turning points of the line, The method is to convert each coordinate position into a string format, and then separate them by a preset separation number, and the separation number may use a non-numeric symbol such as ";". In order to display the review description more accurately, the display time length 346 can be added to the review information as shown in FIG. 9 to record the time of the continuous display.

After the score is completed, the rating result can be browsed. The author of the audio-visual work or the user allowed by the administrator can connect the browsing module 224 of the server 22 through the client computer 21 to view the result of the rating. Two, one for the original film and the review note 34, the other In order to display only the original movie, the former is shown in the fifth figure. In addition to the original video, the review description 34 of the second user is also included, and the method of playing is to play the video and audio works marked by the target on the bottom layer. Then, the review description 34 of the scored audio and video work is read from the database 225, and the recorded text, graphics, and additional files are drawn and displayed at the recorded position (ie, the second user). The location of the review description is made. This technology allows the first user and even others to view the second user's comments on the different time points of the audio and video works, and the presentation method also overlaps the video work content with the review comments. Simultaneous presentation can make browsing review results more interesting, intuitive, and convenient. The latter, as shown in the sixth picture, only plays the original film, grades and reviews.

1‧‧‧Cloud System

10‧‧‧Cloud Video Appraisal Platform

11‧‧‧identification system

111‧‧‧Error Information

12‧‧‧ Folders

13‧‧‧ audio and video materials

14‧‧‧Transfer system

15‧‧‧Evaluation system

151‧‧‧Circle selection device

152‧‧‧Abstract display device

16‧‧‧Measurement data

17‧‧‧mark data

Summary information on 18‧‧

21‧‧‧ client computer

22‧‧‧Server

221‧‧‧Uploading module

222‧‧‧Transfer module

223‧‧‧Scoring Module

224‧‧‧Browsing module

225‧‧‧Database

31‧‧‧ audiovisual works

32‧‧‧Playback control button

33‧‧‧ option button

34‧‧‧Review instructions

341‧‧‧Starting time

342‧‧‧ Description of the pattern

343‧‧‧Display location

344‧‧‧Description

345‧‧‧Graphical information

3451‧‧‧Graphic type

3452‧‧‧Color

3453‧‧‧Line width

3454‧‧‧fill

3455‧‧‧Next position

346‧‧‧ length of time

35‧‧‧Archive button

36‧‧‧ Current time and length of the film

The first drawing is a flow chart of the steps of the first preferred embodiment of the present invention; and the second drawing is a system block diagram of the first preferred embodiment of the present invention.

The third figure is a system architecture diagram of a second preferred embodiment of the present invention.

The fourth figure is a diagram of an example of the review operation of the present invention.

The fifth figure is a diagram showing a review of the review results of the present invention including the review description.

The sixth figure is a diagram showing the review results of the review results without the review description of the present invention.

The seventh figure is the first structure of the database of the review description of the present invention.

The eighth figure is the database structure of the graphic information in the review description of the present invention.

The ninth diagram is the second structure of the database of the review description of the present invention.

1‧‧‧Cloud System

10‧‧‧Cloud Video Appraisal Platform

11‧‧‧identification system

111‧‧‧Error Information

12‧‧‧ Folders

13‧‧‧ audio and video materials

14‧‧‧Transfer system

15‧‧‧Evaluation system

151‧‧‧Circle selection device

152‧‧‧Abstract display device

16‧‧‧Measurement data

17‧‧‧mark data

Summary information on 18‧‧

Claims (9)

A cloud audio-visual work evaluation platform includes at least one client computer for providing a first user connection to a server to perform audio-visual work scoring related operations, and at least one server for providing audio-visual work scores The program and data of the operation, wherein the server further comprises an uploading module for uploading the audio-visual work, a conversion module for converting the audio-visual work file format, and a rating for the review of the video at any time. The module is used for the work of scoring the audio and video works, a browsing module is used to provide the browsing of the scoring results, and a database is used for storing the audiovisual works and the ratings thereof. The scoring module further includes a video work, one a play control button for providing play control for playing, pausing, stopping, and fast-turning, a set of review instructions for recording a second user's opinion on the audio-visual work at a specific point in time, and a set of review instructions attachment option buttons for selecting Record the second user's review instructions for the film or recording, or attach other files. A cloud audio-visual work evaluation platform includes at least one client computer for providing a first user connection to a server to perform audio-visual work scoring related operations, and at least one server for providing audio-visual work scores The program and data of the operation, wherein the server further comprises an uploading module for uploading the audio and video works, and a scoring module capable of adding the review description at any time of the video for the work of scoring the audio and video works, and a browsing module. A browsing and a database for storing the results of the audio-visual works and their ratings, wherein the rating module further includes a video work, a play control button for providing play, pause, stop and fast forward The playback control, a set of review instructions for recording the second user's opinion on the audiovisual work at a specific point in time, and a set of review description attachment option buttons for selecting a live recording second user's review instruction film or recording. Or attach other files. The cloud audio-visual work evaluation platform described in claim 1 or 2, wherein the review description includes a start time for recording a time point at which the review instruction is located at the first rating mark, and a description type for indicating the description a type, a display position, for indicating the position of the description display, a description content for storing the text content of the description or the content or attachment of the attachment, or a file name or a graphic information for pointing to the detailed information of the description Record number. For example, the cloud audio-visual work evaluation platform described in claim 3, wherein the graphic information includes a graphic type for recording a graphic type, such as a line, a rectangle, a circle, a polygon, etc., and a color for recording the color of the line. a line width for recording the width of the graphic line segment, a filling for recording the color and pattern inside the closed graphic, and a subsequent position for recording the position of another diagonal point of the rectangle or the radius of the circle or the position of other vertices of the polygon or Other turning points of the line. The cloud audio-visual work evaluation platform according to the first or second aspect of the patent application, wherein the review description includes a start time for recording a time point at which the review instruction is located at the first score, and a display time length for Recording the length of time of the review description display, a description type for indicating the type of the description, a display position for indicating the position of the description display, a description content for storing the text content of the description or the content of the attachment or The file name or URL of the attachment and a graphic message are used to point to the record number describing the detailed information of the graphic. For example, in the cloud audio-visual work evaluation platform described in claim 1 or 2, the browsing module includes two ways of browsing, the first mode is that the original movie and the review description are simultaneously displayed, and the second mode is to display only the original. The first method of the film is to play the video and audio works that are scored on the bottom layer, and the text, graphics and additional files recorded in the review description of the scored audio and video works read in the database. Etc., draw and display in the second The location of the review instructions produced by the user. The cloud audio-visual work evaluation platform according to claim 6, wherein the review description includes a start time for recording a time point at which the review instruction is located at the first rating mark, and a description type for indicating the type of the description. a display position for indicating the position of the description display, a description content for storing the text content of the description or the attachment file name or URL, and a graphic information for pointing to the record number describing the detailed information of the graphic . For example, the cloud audio-visual work evaluation platform described in claim 7 wherein the graphic information includes a graphic type for recording a graphic type, such as a line, a rectangle, a circle, a polygon, etc., and a color for recording the color of the line. a line width for recording the width of the graphic line segment, a filling for recording the color and pattern inside the closed graphic, and a subsequent position for recording the position of another diagonal point of the rectangle or the radius of the circle or the position of other vertices of the polygon or Other turning points of the line. The cloud audio-visual work evaluation platform described in claim 6 , wherein the review description 34 includes a start time for recording a time point of the review instruction at the one of the scores, and a display time length for recording the A review indicates the length of time displayed, a type of description is used to indicate the type of description, a display position is used to indicate the position of the description display, and a description content is used to store the text content of the description or the content or attachment of the attachment. The file name or URL, a graphic information is used to point to the record number describing the detailed information of the graphic.