JP5757886B2 - Television broadcast recording reservation method, apparatus and system - Google Patents

Description

The present invention relates to a television broadcast recording reservation method, apparatus, and system for recording a television program, and particularly uses information freely transmitted by an unspecified number of third parties such as SNS (social networking service). The present invention relates to a television broadcast recording reservation method, apparatus and system for selectively recording a television program desired by a user.

  In recent years, with the spread of the Internet, users who browse online news articles on PCs and mobile phones are increasing. Online news articles, on the other hand, place importance on breaking news and are often simple contents such as text and photos. In order to obtain more detailed information, online news articles of interest It seems that there are many users who check in news programs.

  In response to such a request, Patent Document 1 provides an EPG (Electronic Program Information Guide) function in a belt-type terminal to acquire and display a program guide, and a terminal user makes a recording reservation for a desired program on the EPG. A system is disclosed in which this information is transferred to a television recording apparatus to make a recording reservation.

  Patent Document 2 discloses a system that automatically selects a characteristic keyword from subtitles of a television program, searches a Web site for a document including the keyword, and presents the document to the user.

JP 2002-252789 A JP 2010-87658 A

  In Patent Document 1, since EPG is activated when a television recording is reserved, and a program that broadcasts desired news or the like must be determined and reserved by itself, the operation becomes complicated. In addition, since not all of the broadcast contents are displayed on the EPG, there is a possibility that an erroneous program, that is, a program that does not broadcast the desired news or the like is reserved for recording.

  In Patent Literature 2, online news related to a TV program can be found, but it only provides a function of associating an already recorded TV program with the online news, and corresponds to a new recording reservation for TV broadcasting. Absent.

  The object of the present invention is to solve the above-mentioned problems of the prior art, and by simply performing a simple click operation on the website being browsed by the user, the television broadcast that can automatically make a reservation for recording the contents of the website is provided. It is to provide a recording reservation device.

In order to achieve the above object, the present invention has taken the following measures in a television broadcast recording reservation method, apparatus and system for recording reservation of a television broadcast related to the description content of a designated website. There is a feature.

  (1) Site information acquisition means for acquiring the description contents of the website, site feature quantity extraction means for extracting feature quantities from the description contents of the website, and transmission information by an unspecified number of third parties, A transmission information server that retrieves transmission information related to the description content of the Web site based on a site feature, transmission information feature extraction means that extracts a feature from the retrieved transmission information, the site feature and transmission By using the information as a knowledge base, a prediction engine that predicts a station and time zone for broadcasting the description contents of the Web site, and a recording reservation request corresponding to the prediction result are created and transmitted to the TV recorder Recording reservation requesting means.

  (2) Subtitle-based similarity calculation means for comparing a time series of television broadcast subtitles recorded based on a recording reservation request and the site feature amount, and extracting a recording section whose similarity exceeds a threshold; Recorded video broadcasting means for erasing other sections of the recorded television broadcast while leaving the extracted recording sections.

  (3) a transmission information base similarity calculation means for comparing a time series of transmission information for a television broadcast recorded based on a recording reservation request and the site feature amount, and extracting a recording section in which the similarity exceeds a threshold; Recording cut-out means for erasing other sections of the recorded television broadcast while leaving the extracted recording sections.

  (4) The information processing apparatus further includes means for notifying the prediction engine of a playback performance of the TV broadcast recorded based on the recording reservation request, and the prediction engine updates the knowledge base based on the notified playback performance.

  (5) The prediction engine includes means for predicting and outputting a recording time length of a television broadcast reserved for recording.

  According to the present invention, the following effects are achieved.

  (1) When a user clicks the “Record” button on a website that is browsing a news article, etc., the news article is based on the feature quantity related to the description content of the website and the feature quantity of outgoing information for the news article. The station and the time zone on which the TV is broadcast is predicted, and the recording reservation is automatically set, so that the user can watch the news article of interest later on the TV broadcast.

  (2) Unnecessary because a recording section with high similarity to the site feature is extracted from the TV broadcast recorded based on the recording reservation request, based on the comparison result of the time series of the caption and the site feature. Eliminates the need to fast-forward through the recorded part.

  (3) From the TV broadcast recorded based on the recording reservation request, a recording section having a high similarity with the site feature is extracted based on a comparison result between the time series of transmission information for the broadcast and the site feature. Therefore, the trouble of fast-forwarding an unnecessary recording part becomes unnecessary.

  (4) Since the playback performance of the TV broadcast recorded based on the recording reservation request is detected and fed back to the knowledge base, it is possible to construct and update a prediction engine with higher accuracy.

  (5) Since the recording time of the news site being browsed can be confirmed in advance, it is possible to confirm in advance the recording time for news with a short length of time so that a sufficient length of time worth viewing is avoided. Only TV broadcasts can be scheduled for recording.

It is the figure which expressed the outline | summary of this invention typically. It is a functional block diagram of the television program recording device concerning a 1st embodiment of the present invention. It is the figure which showed an example of the teacher data made to learn with a prediction engine. It is a functional block diagram of the television program recording device which concerns on 2nd Embodiment of this invention. It is a functional block diagram of a recording cutout part. It is the figure which showed the recording cutout method typically. It is a functional block diagram of the television program recording device which concerns on 3rd Embodiment of this invention. It is the flowchart which showed the procedure of recording reservation. It is a functional block diagram of the television program recording device concerning a 4th embodiment of the present invention.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a diagram schematically showing the outline of the present invention. Here, a user browses a news article website on a personal computer (mobile phone, smartphone, PDA) equipped with a PC or web browsing function. An example will be described.

  When a user finds a news article of interest while browsing the website and wants to watch it later on a TV broadcast news program, click the “Record” button displayed on the website being browsed. Meta information of the news article is applied to a learned prediction engine (not shown), and a station (channel) and a time zone for broadcasting the news article are predicted. This prediction result is rewritten into a recording reservation request and transmitted to an STB (Set Top Box) installed in the user's home or the like, and the television broadcast in the station and time zone is reserved for recording. Stations and times predicted by the prediction engine are not limited to one set, and a plurality of programs having higher fitness levels can be reserved for recording simultaneously.

  As will be described in detail later, the prediction engine uses Twitter (registered trademark), mixi (registered trademark), or Facebook (registered trademark) for meta information (site information) related to past Web site descriptions and news articles. Information transmitted (written) by each SNS user on the SNS community (hereinafter referred to as “SNS transmission information”). A large number of relationships with the station and time zone on which the news article is actually broadcasted are preliminarily constructed as teacher data.

[First embodiment]
FIG. 2 is a functional block diagram showing the configuration of the main part of the television broadcast recording reservation apparatus according to the first embodiment of the present invention, and here, the configuration unnecessary for the description of the present invention is omitted. .

  The recording reservation device 1 receives a recording request transmitted from the user terminal when the user clicks the “record” button on the Web site being browsed on the terminal via the network. Then, in response to the recording request, based on the content of the news article introduced on the website specified in the recording request and the SNS transmission information for the news article, the station and time zone for broadcasting the news article Predict. This prediction result is rewritten into a predetermined recording reservation request format and transmitted to the STB 2 installed at the user's house or the like via the network.

  In the recording reservation device 1, the site information acquisition unit 101 acquires the identification information of the Web site for which the user has requested program recording based on the recording request transmitted from the user terminal 1. In the present embodiment, as the recording request, the URL and user ID of the Web site where the user clicked the recording button are acquired. The site information acquisition unit 101 acquires the description content of the Web site by accessing the URL itself.

  The site feature quantity extraction unit 102 analyzes the description content of the acquired website, and includes meta information such as the title of the news article, the classification of the news article, keywords, and unique tag information set in the website. (Hereafter, it may be expressed as a site feature amount). In the present embodiment, TF-IDF (Term Frequency-Inverse Document Frequency: word appearance frequency-reverse appearance frequency) is employed for the keyword extraction. The extracted site feature amount and the URL are described in the search request as a search keyword and notified to the SNS transmission information server 103 such as a Twitter server, for example.

  In the SNS transmission information server 103, a large amount of information (SNS transmission information) transmitted from SNS users for news articles introduced on the website is registered, in response to the search request, SNS transmission information having a high similarity with the site feature value is extracted and provided to the SNS feature value extraction unit 104.

  The SNS feature amount extraction unit 104 includes a profile identification unit 104a that identifies a profile (gender, age, occupation, etc.) of an SNS user that has transmitted the SNS transmission information, and a position (positive or negative) of the SNS user with respect to the news article. ) To identify the profile, the position to the news, the number of outgoing messages for each elapsed time from the announcement time of the news article, etc., as an SNS feature amount, to the prediction engine 105.

  The prediction engine 105 includes a support vector machine (hereinafter abbreviated as SVM), a Bayesian network, and a C4.5 classifier as a knowledge base, and examples of many news articles observed in the past. Each news article (example) is represented as a multidimensional feature vector having a number of features (features). Then, for each news article, the separation plane is learned from the learning data classified by the station (channel) that broadcasted the news and its time zone, and how the description content of the newly requested recording website depends on the separation plane. Predict stations and time zones based on whether they fall into

  In this embodiment, the site feature value extracted by the feature value extraction unit 102 and the SNS feature value extracted by the SNS feature value extraction unit 104 are used as the features of the cases. As features related to the site feature amount, meta information such as a website domain, a title, a genre, a posting position on a Web screen, a keyword, and a posting time is given. The features related to the SNS feature amount include the number of transmissions for each elapsed time from the announcement time of the news article, whether the transmission content is positive or negative, and the profile information of the poster. .

  FIG. 3 is a diagram showing an example of input of the learning data. For each case (news article), the features related to the site feature amount (website domain, title, genre, posting position, keyword,...), Transmission Features related to information features (number of outgoing messages per overtime, outgoing content is positive, outgoing content is negative ...) and features related to prediction targets (whether broadcast stations, time zones, news articles were broadcast) are registered The

  The prediction result of the prediction engine 105 is described in the recording reservation request as a recording reservation parameter in the recording reservation request unit 106, and is notified to the STB 2 via the network. In response to the recording reservation request, the STB 2 makes a recording reservation for the station and time zone specified by the recording reservation parameter.

  FIG. 8 is a flowchart showing a recording reservation procedure in the recording reservation apparatus 1. When a recording request transmitted from the user terminal 1 is received in step S1, the site information acquisition unit 101 in step S2 The description contents of the Web site specified by the user in the recording request are acquired.

  In step S3, the site feature amount extraction unit 102 analyzes the acquired description content of the website and extracts site feature amounts. In step S4, the SNS transmission information server 103 searches for SNS transmission information related to the site feature amount. In step S5, the SNS feature amount extraction unit 104 extracts an SNS feature amount from the search result of the SNS transmission information.

  In step S6, the site feature amount and the SNS feature amount are applied to the prediction engine 105, and a station and a time zone in which the description content of the Web site is broadcasted are predicted. In step S7, a recording reservation request corresponding to the prediction result is generated by the recording reservation request unit 106, and is transmitted to the STB 2 in step S8.

  According to the present embodiment, when the user clicks the “Record” button on a website that is browsing a news article, based on the feature quantity related to the description content of the website and the feature quantity of SNS transmission information for the news article. Since the station and time zone in which the news article is broadcast on the television are predicted and the recording reservation is automatically set, the user can make a reservation for recording the television broadcast of the news of interest with a simple operation.

[Second Embodiment]
FIG. 4 is a functional block diagram of the television broadcast recording reservation apparatus according to the second embodiment of the present invention, and the same reference numerals as those described above represent the same or equivalent parts, and thus description thereof is omitted. The present embodiment is characterized in that a recording cutout unit 107 is provided that deletes unnecessary portions or cuts out only essential portions from the television broadcast recorded on the STB 2 based on the recording reservation request.

  FIG. 5 is a functional block diagram of the recording cutout unit 107. The subtitle-based similarity calculation unit 107a calculates the time series of subtitles related to the television broadcast recorded based on the recording reservation request and the site feature amount. Comparison is made, and a recording section whose similarity exceeds a threshold is identified. The SNS-based similarity calculation unit 107b compares a time series of SNS transmission information for a television broadcast recorded based on the recording reservation request with the site feature amount, and identifies a recording section in which the similarity exceeds a threshold value. In the present embodiment, the Cos similarity is used for similarity calculation in each of the similarity output units 107a and 107b, and a recording section having a high Cos similarity is identified.

  As the SNS transmission information for the recorded television broadcast, the search result of the transmission information server 103 can be used. As the site feature amount, the site feature amount extracted by the site feature amount extraction unit 102 can be used.

  The partial deletion / playback execution unit 107c erases other sections of the television broadcast recorded in the STB 2 while leaving the identified recording sections, or selectively selects only the identified recording sections. Or play back. At this time, only the logical product section of the recording sections identified by the similarity output units 107a and 107b may be left or reproduced, or only the logical sum section may be left or reproduced. You may make it do.

  FIG. 6 is a diagram schematically illustrating the recording cut-out, in which recording sections having both high caption base similarity and SNS base similarity are cut out.

  Subtitles relating to the recorded television broadcast may be obtained by specifying the station and time zone from a subtitle DB (not shown) installed outside, or may be obtained from the subtitle DB ( (Not shown) may be provided to accumulate all television broadcast subtitles without omission and extract subtitles corresponding to the station and time zone from the subtitle DB.

  According to the present embodiment, since the broadcast section that the user wants to watch can be further carefully selected, an operation such as fast-forwarding an unnecessary part becomes unnecessary, and only a desired broadcast can be viewed.

[Third embodiment]
FIG. 7 is a functional block diagram of a television broadcast recording reservation apparatus according to the third embodiment of the present invention, and the same reference numerals as those described above represent the same or equivalent parts, and thus the description thereof is omitted. In the present embodiment, there is provided a playback record detection unit 108 that detects a playback record of a television broadcast recorded based on the recording reservation request and notifies the prediction engine 105 of the playback record, and the prediction engine 105 performs the notified playback. It is characterized in that the knowledge base is updated based on the results.

  When a predetermined period (for example, several days) elapses from the recording completion time, the playback record detection unit 108 sets, for example, “unplayed”, “played halfway”, and “played to the end” as the playback record of the recorded broadcast. ”And notifies the prediction engine 105 of this. The prediction engine 105 adds the case as learning data in the prediction engine if “play to the end”, and re-learns the prediction engine when a certain amount of learning data is added, thereby improving the prediction accuracy. Can be improved.

  According to the present embodiment, since the prediction engine 105 is updated based on the playback performance of the recorded program, it is possible to construct and update a prediction engine with higher accuracy.

[Fourth embodiment]
FIG. 9 is a functional block diagram of a television broadcast recording reservation apparatus according to the fourth embodiment of the present invention. The same reference numerals as those described above represent the same or equivalent parts, and thus the description thereof is omitted.

  In this embodiment, when a user opens a news website on a terminal, a prediction request in which the URL is described is immediately transmitted. In the recording reservation apparatus 1, in response to the prediction request, the site feature amount and the SNS feature amount are extracted and applied to the prediction engine 105 in the same manner as the response to the recording request in each of the above embodiments. The prediction engine 105 predicts the broadcast time length of the description contents of the Web site together with the station and time zone on which the television broadcast is performed. The prediction result of the broadcast time length is returned in advance to the user terminal as the recording time, and is displayed superimposed on the web screen of the news site and notified to the user.

  When a recording request is subsequently received for the same site, a recording reservation is executed based on the already predicted station and time zone.

  According to the present embodiment, since the recording time length can be confirmed in advance when recording is reserved for the news site being browsed, for example, by not making a recording reservation for news with a short time length, Only a TV broadcast of a certain length of time can be reserved for recording.

  DESCRIPTION OF SYMBOLS 1 ... Television broadcast recording reservation apparatus, 2 ... STB, 101 ... Site information acquisition part, 102 ... Site feature-value extraction part, 103 ... SNS transmission information server, 104 ... SNS feature-value extraction part, 105 ... Prediction engine, 106 ... Recording Reservation request part 107 ... Recording cut-out part 108 ... Reproduction result detection part

Claims (10)

In a television broadcast recording reservation device that reserves recording of a television broadcast related to the description content of the website,
A site information acquisition means for acquiring the description content of the specified Web site;
Site feature quantity extraction means for extracting feature quantities from the description content of the website;
A transmission information server that accumulates transmission information transmitted by an unspecified number of third parties, and searches the transmission information related to the description content of the Web site based on the site feature amount;
Transmission information feature amount extraction means for extracting a feature amount from the searched transmission information;
A prediction engine that predicts a station and a time zone that broadcasts the description content of the Web site using the site feature amount and the feature amount of the transmission information;
A recording reservation requesting means for transmitting a recording reservation request corresponding to the prediction result to a television recorder ;
Compare at least one of the time series of the subtitles of the television broadcast recorded based on the recording reservation request and the time series of the transmission information for the television broadcast with the site feature amount, and extract a recording section whose similarity exceeds a threshold value A television broadcast recording reservation apparatus, comprising:   The prediction engine uses the description contents of the past website as an example, the site feature amount extracted from the website and the transmission information for the contents of the website, and the station that broadcasts the description contents of the website The television broadcast recording reservation apparatus according to claim 1, wherein a knowledge base constructed based on teacher data whose target time zone is a prediction target is used. The similarity calculating means includes a recording section extracted by comparing the time series of the recorded television broadcast subtitles and the site feature amount, a time series of transmission information for the television broadcast, and the site feature amount, 2. The television broadcast recording reservation apparatus according to claim 1 , wherein only a section of a logical product with a recording section extracted by comparing the two is extracted. The similarity calculating means includes a recording section extracted by comparing the time series of the recorded television broadcast subtitles and the site feature amount, a time series of transmission information for the television broadcast, and the site feature amount, 2. The television broadcast recording reservation apparatus according to claim 1 , wherein only a section of a logical sum with a recording section extracted by comparing the two is extracted. Among the recorded television broadcast, television broadcast recorder according to any one of claims 1, characterized by comprising a recording cutting means for erasing the other segment, leaving the extracted recorded section 4 Reservation device. Among the recorded television broadcast, television broadcast recording reservation device according to any one of claims 1, characterized by comprising a recording cutting means for reproducing the extracted recorded segment selectively 4. The similarity calculation means uses Cos similarity for calculating the similarity between at least one of the time series of the recorded television broadcast subtitles and the time series of transmission information for the television broadcast and the site feature amount. The television broadcast recording reservation apparatus according to any one of claims 1 to 6 . Further comprising a playback record detection means for notifying the prediction engine of the playback performance of the recorded television broadcast,
The prediction engine, television broadcast recording reservation device according to any one of claims 1 to 7, characterized in that updating the knowledge base, based on the notified reproduction result. In a TV broadcast recording reservation method for recording a TV broadcast related to the description content of the website,
The procedure to get the description contents of the specified website,
A procedure for extracting features from the description content of the website;
A procedure for accumulating transmission information transmitted by an unspecified number of third parties and searching for the transmission information related to the description content of the Web site based on the site feature amount;
A procedure for extracting a feature value from the searched transmission information;
Using the site feature value and the feature value of the transmission information, a procedure for predicting a station and a time zone for broadcasting the description content of the Web site;
A procedure for transmitting a recording reservation request corresponding to the prediction result to a television recorder;
Compare at least one of the time series of the subtitles of the television broadcast recorded based on the recording reservation request and the time series of the transmission information for the television broadcast with the site feature amount, and extract a recording section whose similarity exceeds a threshold value A television broadcast recording reservation method comprising the steps of:   In a TV broadcast recording reservation system that reserves recording of TV broadcasts related to the description content of the website,
  A site information acquisition means for acquiring the description content of the specified Web site;
  Site feature quantity extraction means for extracting feature quantities from the description content of the website;
  A transmission information server that accumulates transmission information transmitted by an unspecified number of third parties, and searches the transmission information related to the description content of the Web site based on the site feature amount;
  Transmission information feature amount extraction means for extracting a feature amount from the searched transmission information;
  A prediction engine that predicts a station and a time zone that broadcasts the description content of the Web site using the site feature amount and the feature amount of the transmission information;
  A recording reservation requesting means for transmitting a recording reservation request corresponding to the prediction result;
  A television recorder for receiving the recording reservation request and recording a television broadcast reserved for recording;
  Compare at least one of the time series of the subtitles of the television broadcast recorded based on the recording reservation request and the time series of the transmission information for the television broadcast with the site feature amount, and extract a recording section whose similarity exceeds a threshold value Similarity calculation means to
  A television broadcast recording reservation system comprising recording cutout means for cutting out the recording section from the recorded television broadcast.