CN102760466A - Method and device for selecting film fragments - Google Patents

Abstract

A method and apparatus for selecting a film segment, the method comprising the steps of: reading and recording the film clip information of a specific format; recording a start time code and an end time code of a film clip; and selecting the corresponding film clip according to the film event. Wherein the film clip information read and recorded in the specific format includes a content description of the motion type film; the film fragments comprise multiple film events; the film event can be simultaneously included in a plurality of film fragments and the film event and the film fragment are corresponding in a manner that the film event is corresponding to the film fragment including the time point according to the film event occurrence time point described in the recorded film fragment information. The invention has the effect of providing a user with the ability to quickly and easily select a film segment and view a plurality of same film events appearing in different film segments. Meanwhile, the invention can quickly find out a plurality of film fragments corresponding to the film event by reading the film fragment information with a specific format, and can obtain correct film fragment contents by using the least computing resources.

Description

A method and device for selecting video clips

technical field

The present invention relates to a method and device for selecting movie segments. the

Background technique

Due to the rapid development of the Internet, in addition to the content providers of cable TV or satellite TV, video sharing content from the Internet is also increasing with time, and the content is becoming more and more diverse. the

In the compact and busy life of modern people, how to quickly and easily obtain important content from various and large amounts of video content has become an issue worthy of attention. Generally speaking, video viewers usually only want to watch part of the program content that is meaningful to them. Most of the video content from the Internet is a video clip containing multiple video events, which is easier to meet the needs of ordinary users for video content. However, TV programs currently still lack a mechanism for selecting this type of video clip content. the

Although modern digital video recorders have the ability to record program content, it can be used to preview the recorded content and make it easier to obtain the content, but the recorded content is limited to the complete program film, and those who want to watch can only enjoy it within a limited time. However, the convenience is still not enough for users of a small number of content. the

A known method for establishing an audio/video search database is disclosed in the Taiwan Invention Patent Publication No. I220483, as shown in Figure 1, including the following steps, respectively extracting video and audio from video and audio files, and comparing the video and all According to the video feature analysis and audio feature analysis of the above audio, according to the results of the video feature analysis and audio feature analysis, the video and audio files are cut into scenes, and the key frame is extracted from all the cut scenes, and the text in the key frame is extracted , as text data, according to the text data, audio feature analysis results, and corresponding key frames, generate an index table, and store the index table and audio-visual files to create an audio/audio file that can be retrieved through text or audio features Video search database. However, the conventional method extracts the text in the key frame as text data, and its accuracy depends on precise text extraction and analysis technology. With the existing technology, the accuracy cannot reach 100%. At the same time, the more accurate the extraction The analysis method can only be realized with the support of a more powerful computing device, which increases the difficulty of implementation. the

It can be seen that the above-mentioned existing methods still have many deficiencies, are not really a good design, and need to be improved urgently. the

Contents of the invention

The present invention is a method and device for selecting video clips according to video events. Through the method and device, users can quickly and easily select video clips and watch the contents of multiple different video clips with the same video event. At the same time, the present invention can quickly find a plurality of video clips corresponding to a video event by reading the video clip information in a specific format, and can obtain 100% correct video clip content with the least computing resources. the

The method for selecting a video segment of the present invention includes the following steps: (1) reading and recording video segment information in a specific format; (2) recording the start time code and end time code of the video segment; (3) selecting the corresponding video according to the video event fragment. Among them, the video fragment information of step (1) reads and records a specific format, including the content description of the motion type video; the video fragment of step (2) contains multiple video events; the video event of step (3) can be included in multiple videos at the same time segment, and the method of corresponding the video event to the video segment is to correspond the video event to the video segment containing the time point according to the time point of the video event described in the recorded video segment information. the

The device for selecting video clips of the present invention includes the following units: (1) video clip information reading and recording unit, used to read and record video clip information in a specific format; (2) time code recording unit, used to record video clips from start time code and end time code; (3) video clip selection unit, used to select corresponding video clips according to video events; and (4) data storage unit, used to store video clip data. the

Description of drawings

Fig. 1 is an existing method for establishing an audio/video retrieval database;

Fig. 2 is the schematic flow chart of the method for selecting film fragments in the present embodiment 1;

Figure 3 is a schematic diagram of the process involved in reading and recording video segment information in a specific format in Figure 2;

FIG. 4 is a schematic diagram of the process included in selecting the corresponding video clip according to the video event in FIG. 2;

Fig. 5 is a schematic diagram of the device for selecting video clips and the units it contains in Embodiment 1;

Fig. 6 is a schematic diagram of the units contained in the video clip information reading and recording unit in a device for selecting video clips in Fig. 5;

Fig. 7 is a schematic diagram of units included in a film segment selection unit in a device for selecting a film segment in Fig. 5;

Fig. 8 is a schematic diagram of the method for selecting film segments in Embodiment 2;

Fig. 9 is a schematic diagram of the device for selecting film fragments in Embodiment 2;

Fig. 10 is a schematic diagram of the method for selecting film segments in the present embodiment 3;

Fig. 11 is a schematic diagram of the device for selecting film fragments in Embodiment 3;

Fig. 12 is a schematic diagram of the method and device for selecting film segments in Embodiment 4;

FIG. 13 is a description method of video clip information including motion type video content in the method for selecting video clips of the present invention. the

Explanation of reference signs

Steps 301 to 303,

Steps 3011~3012,

Steps 3031-3032,

701 video clip information reading and recording unit,

702 time code recording unit,

703 film segment selection unit,

704 data storage unit,

7011 Web page format information reading unit,

7012 video segment information classification recording unit,

7031 Video Fragment Search Unit,

7032 time code reading unit,

Steps 1001-1002,

10011～10013 steps,

1101 Fragment time code providing unit,

1102 video playback unit,

1103 video storage unit,

11011 video clip information reading and recording unit,

11012 time code recording unit,

11013 film segment selection unit,

11014 data storage unit,

Steps 1201-1205,

12021～12023 step 1301 segment time code providing unit,

1302 video playback unit,

1303 video storage unit,

1304 video access control unit,

13011 Video clip information reading and recording unit,

13012 time code recording unit,

13013 Film segment selection unit,

13014 data storage unit,

1401 web access server,

1402 Timecode Supply Server,

1403 video management server,

1404 streaming server,

1405 multimedia set-top box,

1406 video information,

1407 fragment information storage device,

1408 video storage device. the

Detailed ways

The present invention relates to a method and device for selecting a video clip according to a video event. Through the method and device, a user can quickly and easily select a video clip, and watch a plurality of same video events appearing in different video clips. . The present invention further obtains the video event and the corresponding video segment time position by reading and analyzing the content information of the video segment in the Internet, and records the video event and the corresponding video segment time position in the database according to the selected classification category , the user can select various types of video events of interest through the classification menu, and then play a set of video clips of the same event by reading the video events recorded in the database and the corresponding time positions of the video clips. The invention saves the user from the extra process of obtaining video information through other channels and the time-consuming and laborious searching of video clips, provides fast and rich video selection and playback methods, and greatly improves the inconvenient operation mode of watching videos in the past . the

Example 1

The implementation steps of the method for selecting video clips in this embodiment are shown in Figure 2, including step 301 reading and recording video clip information in a specific format, step 302 recording the start time code and end time code of the video clip, and step 303 according to the video event Select the corresponding video clip. Wherein step 301 reads and records video clip information in a specific format, obtains a file of a known format and analyzes the video clip data recorded in the file, and stores it in a database, wherein the video clip data includes descriptions of multiple video events . The video segment information in step 301 further includes a motion type video content description. The description method of the video content is as shown in FIG. 13 , including but not limited to the description method or the motion type. The reading and recording of video clip information in a specific format in step 301 further includes step 3011 as shown in FIG. 3 reading video clip information in web format through the Internet and step 3012 recording video clip information in the data according to the selected classification category. library. The web page format fragment information described in step 3011 includes, but is not limited to, Internet The commonly used web page format; the classification categories selected in step 3012 include but are not limited to specific time interval categories and specific event categories in sports movies. the

Wherein, the above-mentioned specific time interval categories include innings, quarters, discs, first half, second half, midfield, timeout, extended innings, and the like. Specific event categories vary depending on the type of sport. Taking a baseball game as an example, it includes player names and IDs, players coming on, players leaving, scoring, turnovers, strikes, balls, strikeouts, walks, out-of-bounds Balls, ground balls, fly balls, pitches, double plays, stolen bases, home runs, etc., specific time intervals and specific event types are not limited to the above items and other items can be added as required. the

Step 302 records the start time code and end time code of the video clip, wherein a single video data stream contains a plurality of video clip start times and end times, and the video clip start time and end time can be absolute records recorded in the video data stream The time may be a relative time starting from the start time of the video data stream, and the start time code and end time code may be arbitrary codes or numbers that can represent absolute time or relative time. A single video clip contains multiple video events, and the content description of the video event is included in the event category described in step 3012 . The start time of the movie segment and the end time can correspond to the time interval category described in step 3012. If a certain movie segment is the content of a certain sports game, then the start time of the movie segment and the end time correspond to the The start time and end time of the presentation. the

Step 303 selects the corresponding video clip according to the video event, wherein a single video event can be included in multiple video clips at the same time, and the corresponding method of the video event and the video clip is based on the video event occurrence time described in the recorded video clip information, Corresponding the video event to the video clip including the time point. The step 303 of selecting the corresponding video clip according to the video event further includes step 3031 as shown in FIG. 4 to search for all video clips containing the video event, and step 3032 to read the start time code and end time code of all video clips. In step 3031, the search method for all video clips is to compare all video events in the classification category to which the video event belongs in the database described in step 3012, and select all video event data that meet the conditions of the video event. For the data of the time interval category, determine all video clips where all video events are located. Step 3032 reads the start time codes and end time codes of all video clips by referring to the database described in step 3012 to obtain the start time codes and end time codes corresponding to the time intervals of all video clips determined in step 3031 timecode. the

The device for selecting video clips in this embodiment is shown in FIG. 5 , and includes a video clip information reading and recording unit 701 for executing step 301 to read and record video clip information in a specific format, and a time code recording unit 702 for executing step 302. Record the start time code and end time code of the video clip, the video clip selection unit 703 is used to execute step 303 to select the corresponding video clip according to the video event, and the data storage unit 704 . The video segment information reading and recording unit 701 obtains a file in a known format and analyzes the video segment data recorded in the file, and stores it in the data storage unit 704, wherein the video segment data includes descriptions of multiple video events. The video clip information further includes a sports type video content description, and the description method of the video content is as shown in Appendix 1, including but not limited to the description method or the sports type. The video segment information reading and recording unit 701 further includes a web page format information reading unit 7011 and a video segment information classification recording unit 7012 as shown in FIG. 6 . The webpage format information reading unit 7011 is used to execute step 3011 to read the video clip information in webpage format through the Internet, and the video clip information classification recording unit 7012 is used to execute step 3012 to record the video clip information in the data according to the selected classification category storage unit 704 . the

The time code recording unit 702 executes step 302 to record the start time code and end time code of the video segment in the data storage unit 704, wherein a single video data stream includes a plurality of video segment start times and end times, and the video segment start time The start time and end time can be the absolute time recorded in the video data stream or the relative time starting from the start time of the video data stream. The start time code and end time code are any codes that can represent absolute time or relative time or numbers. A single video segment contains multiple video events, and the content description of the video event is included in the specific event category described in step 3012 . Film segment start time and end time can correspond to the specific time interval category described in step 3012 again, as a certain film segment is the content of a certain sports ball bureau, then described film segment start time and end time promptly correspond to The start time and end time of the round. the

The video segment selection unit 703 executes step 303 to select the corresponding video segment according to the video event, wherein a single video event can be included in multiple video segments at the same time, and the video segment selection unit 703 obtains the video segment information reading and recording unit from the data storage unit 704 701 Recorded video segment information and time code The recording unit 702 records the recorded video segment start time code and end time code, searches for all video segments including the video event, and obtains the start time code and end time code of all video segments. The video segment selection unit 703 further includes a video segment search unit 7031 and a time code reading unit 7032 shown in FIG. 7032 Execute step 3032 to read the start time codes and end time codes of all movie segments. The video segment search unit 7031 obtains the video segment information from the data storage unit 704, searches for the classification category to which the video event belongs, and records the video segment that matches the video event, and the time code reading unit 7032 obtains the video from the data storage unit 704 The corresponding start time codes and end time codes of all identical video segments recorded by the segment search unit 7031 . the

Example 2

The implementation steps of this embodiment are shown in FIG. 8 , including step 1001 determining the time codes of all video clips corresponding to the obtained video events and step 1002 playing the video clips according to the time codes of all video clips. Wherein step 1001 judges and obtains the time code of all video clips corresponding to the video event according to the video event selected by the user and transmits the time code information of all video clips, which further includes step 10011 of reading and recording video clip information in a specific format, and 10012 Record the start time code and end time code of the video segment and step 10013 select the corresponding video segment according to the video event, wherein the description of step 10011 can refer to step 301 of Figure 2, and the description of step 10012 can refer to step 302 of Figure 2, step The description of 10013 may refer to step 303 in FIG. 2 . the

The device for selecting video clips in this embodiment is as shown in Figure 9. The device includes a segment time code providing unit 1101 for performing the judgment in step 1001 and obtaining all video clip time codes corresponding to the video event, and a video playback unit 1102 for performing step 1002 according to all The video segment time code plays the video segment, and the video storage unit 1103 is used to store all the videos. After the video playback unit 1102 obtains the video segment time code from the segment time code providing unit 1101, it reads all the videos included in the start time and end time of the video segment from the video storage unit 1103, and then plays all the video segments. The segment time code providing unit 1101 further includes a data storage unit 11014, a video segment information reading and recording unit for performing step 10011 to read and record video segment information in a specific format and store the video segment information in the data storage unit 11014, time code The recording unit 11012 is used to execute step 10012 to record the start time code and the end time code of the video segment and store the time code in the data storage unit 11014, and the video segment selection unit 11013 is used to obtain the video segment data and the video segment from the data storage unit 11014 time code and execute step 10013 to select the corresponding movie segment according to the movie event. the

Example 3

The implementation steps of this embodiment are shown in Figure 10, including step 1201 selecting a movie event, step 1202 judging the time codes of all movie clips corresponding to the obtained movie event, step 1203 establishing a movie clip playback control connection, and step 1204 transmitting the movie clip time Code and step 1205 receives and plays video clips. Step 1201 accepts a user selection command to select a video event that the user is interested in. Step 1202 judges and obtains the time codes of all the corresponding movie clips for the movie event selected in step 1201 , for details, please refer to step 1001 . Step 1203 establishes the playback control connection between the user and the video provider, and the connection method can use known communication protocols such as Hypertext Transfer Protocol (HTTP, Hypertext Transfer Protocol), Real Time Streaming Protocol (RTSP, Real Time Streaming Protocol), Real Time Transport Protocol (RTP, Real Time Protocol, User Datagram Protocol (UDP, User Datagram Protocol), Transmission Control Protocol (TCP, Transmission Control Protocol), etc. or a custom transmission protocol between the user and the video provider includes But it is not limited to the above agreement. In step 1204, the video provider transmits to the user the corresponding time codes of all the video clips obtained in step 1202. The method can be that the video provider sends the video clip time codes to the user through the above-mentioned control connection. , the user can also obtain the time code of the video clip from the provider through the above-mentioned control connection. The way of receiving and playing the video clip in step 1205 can be that the video clip provider actively provides the video clip to the user and plays it after the user receives it. It can also be that after the user sends a request to the video clip provider to play the video clip, the video clip sent by the video clip provider is received and the video clip is played. Step 1202 further includes step 12021 reading and recording video clip information in a specific format . Step 12022 records the start time code and end time code of the video segment. Step 12023 selects the corresponding video segment according to the video event. The description of steps 12021 to 12023 can refer to steps 10011 to 10013.

The device for selecting video fragments in this embodiment is as shown in Figure 11. The device includes a fragment time code providing unit 1301 for performing the judgment in step 1202 and obtaining all video fragment time codes corresponding to the video event, and a video playback unit 1302 for performing the reception in step 1205. For playing video clips, the video storage unit 1303 is used to store all video clips, and the video access control unit 1304 is used to execute step 1203 of establishing a video clip playback control connection and executing step 1204 of transmitting the video clip time code. The segment time code providing unit 1301 first receives the user selection command in step 1201 to select the video event that the user is interested in and outputs all the video segment time codes corresponding to the video event, and the video access control unit 1304 obtains the segment time code output from the segment time code providing unit 1301. The time code of the video segment is set up and a video segment playback control connection is established with the video playback unit 1302 . One of the video clip transmission methods is that the video access control unit 1304 transmits the video clip time code and the video position to the video playback unit, and the video playback unit 1302 refers to the video clip time code and the video location to obtain the video clip from the video storage unit 1303 and then plays it. Another method of video segment transmission is that the video access control unit 1304 obtains the video segment from the video storage unit 1303 by referring to the time code of the video segment and sends the video segment to the video playback unit 1302 for playback by the video playback unit 1302 . The segment time code providing unit 1301 further includes a data storage unit 13014, a video segment information reading and recording unit 13011 for executing step 12021 to read and record video segment information in a specific format and store the video segment information in the data storage unit 13014, The time code recording unit 13012 is used to execute step 12022 to record the start time code and end time code of the video segment and store the time code in the data storage unit 13014. The video segment selection unit 13013 is used to obtain the video segment data and the video segment from the data storage unit 13014. The time code of the video segment is executed and step 12023 is performed to select the corresponding video segment according to the video event. the

Example 4

The method and device for selecting video clips in this embodiment can be referred to in FIG. 1404 , the video storage device 1408 and the multimedia STB 1405 . The webpage access server reads and records video information 1406 in a specific format from the Internet through 1401, and records the video segment information in the segment information storage device 1407 according to the selected category. The time code supply server 1402 records the start time code and the end time code of the video segment and selects the corresponding video segment according to the video event, wherein the method of selecting the corresponding video segment is to search the segment information storage device for all video clips, and obtain the start time code and end time code of all the video clips. The multimedia set-top box 1405 establishes a connection with the video management server 1403 via the Internet, and sends a video event request to the video management server 1403, and the video management server 1403 obtains the corresponding video event from the time code supply server 1402 After the start timecode and end timecode of all the video clips, the video clips are sent. One of the video clip transmission methods is that the video management server 1403 notifies the streaming server 1404 to send the video clips to the multimedia set-top box 1405 according to the start time code and end time code of all video clips, and the multimedia set-top box 1405 receives the video clips Playing, another way to transmit video clips is that the video management server 1403 transmits the start time code and end time code of all video clips to the multimedia set-top box 1405, and the multimedia set-top box 1405 requests to transmit the video clips to the streaming server 1404, and the multimedia set-top box 1405 Play after receiving the video clip. the

The above-mentioned embodiments only express several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims. the

Claims (21)

1. A method for selecting film fragments, characterized in that, comprising the following steps: a. Read and record video clip information in a specific format; b. Record the start time code and end time code of the video clip; c. Select the corresponding video segment according to the video event. 2. The method for selecting video clips according to claim 1, wherein said reading and recording video clip information in a specific format includes content descriptions of sports-type videos. 3. The method for selecting video clips as claimed in claim 1, wherein said reading and recording video clip information in a specific format further comprises the following steps: read video clip information in web format over the Internet; and Record video clip information in the database according to the selected category. 4. The method for selecting video clips as claimed in claim 1, wherein the video clips include multiple video events. 5. The method for selecting a video segment as claimed in claim 1, wherein the start time and end time of the video segment correspond to the category of the time interval. 6. The method for selecting video clips as claimed in claim 1, wherein the video event can be included in a plurality of video clips at the same time. 7. The method for selecting video clips as claimed in claim 1, wherein the correspondence between the video events and the video clips is based on the recorded video event occurrence time points described in the video clip information, and the The video event corresponds to the video segment containing the time point. 8. The method for selecting video clips according to claim 1, wherein said selecting a corresponding video clip according to a video event further comprises the following steps: search for all video clips containing the video event; and Read the start time code and end time code of the video clips. 9. The method for selecting video clips as claimed in claim 3, wherein the format of the webpage is a HyperFile Markup Language format or a Simple Information Aggregation format. 10. The method for selecting video clips as claimed in claim 3, wherein the classification category can be a category determined manually, or a category selected by a computer. 11. The method for selecting video clips as claimed in claim 3, wherein each of the classification categories can be a single video event or a collection of multiple video events. 12 . The method for selecting video clips according to claim 3 , wherein the selected categories include a specific time interval category and a specific event category in sports movies. 13 . 13. The method for selecting video clips according to claim 4, wherein the video clip start time code and end time code are recorded, wherein the video events are included in the specific event category. 14. The method for selecting video clips according to claim 8, wherein the search method for searching all video clips including the video event is to compare all video events in the video event category to which the video event belongs, And select all the video event data that meet the video event conditions, and determine all the video clips where the video events are located through the data of a specific time interval category. 15. The method for selecting video clips according to claim 8, wherein the method of reading the start time codes and end time codes of all the video clips is to refer to the database to obtain the time zones corresponding to all the video clips The start timecode and end timecode of the interval. 16. The method for selecting film fragments as claimed in claim 12, wherein the specific time interval category includes bureau, festival, disc, first half, second half, halftime, timeout, extended game . 17. The method for selecting video clips as claimed in claim 12, wherein the specific event category is different according to the type of sports, including player names on the field, player back numbers, players entering the field, players exiting the field, Scores, turnovers, and strikes, balls, strikeouts, walks, fouls, ground balls, fly balls, pitches, doubles, stolen bases, home runs in baseball. 18. The method for selecting video clips as claimed in claim 1, further comprising playing the corresponding video clips. 19. The method for selecting video clips according to claim 18, wherein the playing of the corresponding video clips is based on the time sequence of the movie clips or the correlation of events, and referring to the start time code and end time code of the movie clips Timecode plays video clips sequentially. 20. A device for selecting video clips, characterized in that it comprises: The video clip information reading and recording unit is used to read and record video clip information in a specific format; A time code recording unit, used to record the start time code and end time code of the film segment; a video clip selection unit for selecting a corresponding video clip according to a video event; and The data storage unit is used for storing video segment data. 21. The device for selecting video clips as claimed in claim 20, further comprising: a video playback unit, for playing the video clips sequentially according to the time sequence of the clips or the correlation of events, and referring to the start time code and the end time code of the video clip; and The video storage unit is used for storing all video clips.

Images