JP2001344251A - Method and device for contents retrieval, and recording medium with contents retrieval program recorded thereon - Google Patents

Abstract

PROBLEM TO BE SOLVED: To guide a user in setting a proper keyword, to enable the user to acquire contents which suit his or her taste and are related to the keyword, to automate keyword registration, and to utilize the title of a home page of a Web browser to automate registration. SOLUTION: The device is provided with a video discrimination information detection part 2 which records information of correspondence relations among broadcasting dates, broadcasting channels, and titles of programs and measures the time elapsed after the start of a broadcasting program, a video display part 10 which displays a picture based on a broadcast signal, a coordinate information extraction part 3 which designates a video area on the displayed picture, a video recording part 9 which records the correspondence relation between the elapsed time when the video area is inputted and a keyword, a keyword table part 5 which specifies and transmits the keyword corresponding to the elapsed time when the video area is inputted, a contents output part 1 which displays contents retrieval information or contents corresponding to the keyword, and a time measuring part 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technology for retrieving desired contents such as video and music, and more particularly, to a system which allows a plurality of persons to acquire contents related to a keyword which suits his / her preference. The present invention relates to a content search device, a content search method, and a recording medium on which a content search program is recorded.

[0002]

2. Description of the Related Art Conventionally, a content search technique using a keyword as a key has been proposed and put to practical use. In a search, matching or similarity is calculated with the text included in or combined with the entered keyword and the content with matching or similar text is obtained as the search result. Can be However, it is difficult for a user who is not used to setting keywords to find desired content.

[0003]

As described above, in the conventional content search technology, a content is searched for by using a keyword as a key. However, a user who is not accustomed to setting a keyword can find a desired content. There was a problem that was difficult. In addition, the fact that the keyword used for the search does not suit the user's taste has also made it difficult to find the desired content.

Accordingly, a first object of the present invention is to solve these conventional problems and to provide a content search device and a content search method that can guide setting of an appropriate keyword. A second object of the present invention is to
It is an object of the present invention to provide a content search device and a content search method capable of extracting a keyword corresponding to a designated coordinate from the designated coordinates and the elapsed time and using the extracted keyword as the keyword. A third object of the present invention is to
A content search device and a content search method that allow a user to register a keyword that suits his / her preference and select a favorite keyword to obtain content related to the keyword that suits his / her preference Is to provide.

A fourth object of the present invention is to provide a content search device and a content search method capable of outputting a content corresponding to a keyword of a stored video. A fifth object of the present invention is to provide a content search device and a content search method that can automate keyword registration using a keyword input by a user. Further, the sixth aspect of the present invention.
It is an object of the present invention to provide a content search device and a content search method in which a keyword group used for each individual is divided and a plurality of users can use the system.

[0006]

In order to achieve the above object, a content search device of the present invention is a content search device for outputting a searched content by inputting a keyword, a time measuring unit for measuring time, At least program information including a correspondence between a broadcast date and time, a broadcast channel, and a program title is recorded, a broadcast program is specified from a channel for receiving a broadcast signal and the time, and an elapsed time from the start of the broadcast program is measured. A video identification information detection unit, a video display unit that displays a video based on the broadcast signal, a coordinate information extraction unit that specifies a video area on the display video, and at least an elapsed time and a keyword when the video area is input. And an elapsed time keyword correspondence recording unit for recording the correspondence between the keywords, and a keyword corresponding to the elapsed time in which the video area is input is specified and transmitted. That a keyword transmission unit is characterized by having a content output unit which displays the content search information or content corresponding to the keyword. Further, the content search method of the present invention includes a step of identifying and specifying the video from the start of the video or from the middle of the video by video identification information such as a title, a broadcast channel, and a broadcast date and time; Converting the position specified by the user into coordinate information on the screen;
Reading the elapsed time of the video, and comparing the coordinate information and the elapsed time obtained in the step with the coordinate information on the screen corresponding to the elapsed time recorded in the coordinate / keyword table corresponding to the video elapsed time. And a step of obtaining a keyword corresponding to the elapsed time and the coordinate information from the video elapsed time corresponding coordinate / keyword table portion when the result of comparison is a match, and obtaining a content corresponding to the obtained keyword. Outputting a content.

[0007]

Embodiments of the present invention will be described below in detail with reference to the drawings. (First Embodiment) FIG. 1A is a configuration diagram of a content search device showing a first embodiment of the present invention, and FIG.
FIG. 2 is a data structure diagram of an image elapsed time corresponding coordinate / keyword table section in FIG. In FIG. 1A, a video input unit 8 receives a broadcast video, and the received video is displayed on a video display unit 10. When the content is a video, the video display unit 10 and the content output unit may be shared. The video recording unit 7 records the received video. When recording is performed by the video recording unit 7, part of the data is transferred to the control unit 4. In addition, when the time set and measured by the time measurement unit 6 is reached, the control signal is transferred from the time measurement unit 6 and input to the video recording unit 7. The content search unit 7 accumulates the content in which the title is added and the text is written or stored, and when the keyword is input from the control unit 4,
A search is performed. The content search unit 7 compares the input keyword with the text or searches for a similar text. Then, the title of the content having collation or similar text is output as a search result. This search result is sent to the video display unit (output unit) 1 through the control unit 4.
Displayed as 0. The user selects a title via the coordinate information extracting unit 3. A signal related to the selected title is output to the content search unit 7 via the control unit 4. The content search unit 7 inputs a signal related to the title and outputs the corresponding content to the control unit 4. The content received by the control unit 4 is output by the content output unit 1. Note that the content search unit 7 may be located at a remote place, in which case it is connected to the control unit 4 by a communication line. Information is exchanged via this communication line.

The operation of FIG. 1A will be described. When the video starts, the video identification information detection unit 2 identifies and specifies the video based on video identification information such as a title. The coordinate information extracting unit 3 converts the position pointed on the screen into coordinate information on the screen. The time measuring unit 6 reads the elapsed time at that time. Image elapsed time corresponding coordinates / keyword table section 5
The coordinate information and the keyword on the screen are recorded in correspondence with the elapsed time from the start of the video for each of the video identification information, and the coordinate information obtained by the coordinate information extracting unit 3 and the time measuring unit 6, the elapsed time obtained at that time is stored in the video elapsed time corresponding coordinate / keyword table unit 5 in the coordinate information on the screen corresponding to the elapsed time recorded in the video elapsed time corresponding coordinate / keyword table unit 5. Then, when the coordinate information matches, a keyword corresponding to the elapsed time and the coordinate information at that time is obtained from the coordinate / keyword table unit 5 corresponding to the video elapsed time. The obtained keyword is transferred to the keyword corresponding content output unit 1 through the control unit 4, and then the content corresponding to the keyword obtained from the keyword corresponding content output unit 1 is output. In FIG. 1B,
The data structure stored in the coordinate / keyword table unit 5 corresponding to the image elapsed time is shown. Elapsed time, coordinates, and keywords for the coordinates are stored.

FIG. 7 is an operation flowchart of the content search method using FIG. The video broadcasted by the video input unit 8 is received (S100). Video identification information detector 2
Stores program information in which a program title and an outline are associated with each other for a broadcast date and time and a broadcast channel, and stores the program according to the broadcast channel specified by the received video and the broadcast date and time or time specified by the time measuring unit 6. The start time is specified (S101). The coordinate information extracting unit 3 is for designating a video area on the video display unit 10 with a pointing device such as a mouse in response to a user operation. The position pointed by the user on the screen is converted into coordinate information on the screen (S102). When a mouse is used, the coordinates (X1, Y1) are clicked by the first click, and the coordinates (X
2, Y2) is specified. In other words, the designated video area has coordinates (X1, Y1), (X1, Y2), (X2, Y
2), a rectangle surrounded by (X2, Y1), which is represented by coordinates (X1, Y1) and (X2, Y2). Therefore, the user can specify the image of the desired area displayed on the image display unit 10. The time measuring unit 6 measures the elapsed time from the start time of the program as the time elapses, and reads the elapsed time when the user has specified the video area and finished (S103).

The video elapsed time corresponding coordinate / keyword table section 5 records the elapsed time, the video area, and the keyword in association with each other, and uses the one in which the elapsed time and the keyword are recorded. Here, the coordinates indicating the video area corresponding to the specified elapsed time of the video area are associated (S104), written into the video elapsed time corresponding coordinates / keyword table section 5, and the corresponding keyword is read (S105). The read keyword is sent to the content search unit 7 via the control unit 4. The content search unit 7 inputs the transmitted keyword, and outputs a title of the content having collation or similar text as a search result (S106). The search result is displayed on the video display unit (output unit) 10 through the control unit 4. The user selects a title via the coordinate information extraction unit 3 (S107). The content search unit 7 inputs information about the selected title, sends the corresponding content to the control unit 4, is sent from the control unit 4 to the content output unit 1, and the content output unit 1 reads out the content.
The content is output (S108).

(Modified Embodiment) The coordinate information extracting unit 3 shown in FIG. 1 and the elapsed time specifying the video area shown in FIG. 7 are read out (S
A modified embodiment relating to (103) will be described below. However, when the user specifies the video area, the time from viewing the desired broadcast video to the operation for specifying the video area and the time from receiving the operation until the video area is specified have elapsed. I do. That is, there is a problem that the designation of the video area is delayed more than the desired video is displayed. Therefore, in the reading of the elapsed time (S103), the elapsed time that is earlier by the time spent in the designation than the end of the designation of the video area is read. Alternatively, a specific elapsed time is selected from among the elapsed times at which the video area recorded in the video elapsed time corresponding coordinate / keyword table section 5 has been specified, and immediately before the specified elapsed time (for example,
The video recorded by the video recording unit 9 is reproduced at a slow speed from about several seconds before). Here, the user accepts the specification of the elapsed time again via the coordinate information extracting unit 3 and replaces the original elapsed time recorded in the coordinate / keyword table unit 5 corresponding to the video elapsed time with the specified elapsed time. Is also good. By taking such measures, the elapsed time of the video at which the desired video information is presented is more accurately specified.

(Second Embodiment) FIG. 2 is a block diagram of a content search apparatus showing a second embodiment of the present invention. FIG.
In FIG. 1, the control unit 4, the keyword corresponding content output unit 1, the video identification information detecting unit 2, and the time measuring unit 6
Is the same as the embodiment of FIG.
A keyword correspondence table section 7A and a user keyword storage section 8A are newly provided, and a content search section 7, a video display section 10, a coordinate information extraction section 3, a video input section 8, a video recording section 9, and a video elapsed time corresponding coordinate. That is, the keyword table section 5 has been deleted. The user selects a desired keyword group, and the selected keyword group is stored in the user keyword group storage unit 10. When the video is started, the video identification information detection unit 2 identifies and specifies the video using video identification information such as a title. The time measurement unit 6
Read the elapsed time from the start of the video. Channel / time /
The keyword correspondence table section 7A stores keywords corresponding to video channels and time, and the time measurement section 4A.
The channel / time / keyword correspondence table unit 7A compares the keyword in the user keyword storage unit 8A with the obtained keyword, and if the keywords match, the keyword is determined. The keyword corresponding content output unit 1 obtains the content corresponding to the matched keyword and outputs it.

FIG. 8 is an operation flowchart of a content search method using the content search device of FIG. The user registers his or her desired keyword in the user keyword storage unit 8A (S207). When the video starts (S200), the video identification information detection unit 2 identifies and specifies the video based on the video identification information such as the title (S20).
1). The time measuring unit 6 reads the elapsed time from the start of the video (S202). The channel / time / keyword correspondence table section 7A records keywords corresponding to the video channel and time, and obtains a keyword corresponding to the elapsed time obtained by the time measurement section 6 (S20).
3), channel / time / keyword correspondence table section 7A
Compares the keyword in the user keyword storage unit 8A with the obtained keyword (S204), and when they match, the keyword corresponding content output unit 1 obtains and outputs the content corresponding to the matched keyword (S205). ). In the present embodiment, the registration in the user keyword group storage unit 10 is performed before the start of the video, but it goes without saying that the registration can be performed during the broadcast of the video. As described above, the second embodiment is characterized in that the user keyword storage unit 8A shown in FIG. 2 is provided, and the keyword input procedure (registration in the storage unit) shown in FIG. 8 is provided. In this embodiment, since the keyword can be set while viewing the broadcast video, there is an effect that the search becomes easy.

(Third Embodiment) FIG. 3 is a block diagram of a content search apparatus showing a third embodiment of the present invention. Third
Is characterized in that a stored video time stamp information storage unit 9A and a video storage unit 10A shown in FIG. 3 are provided. First, a video is stored in the video storage unit 10A. When a video is stored in the video storage unit 10A, the time measured from the start time of the video together with video identification information such as a title is stored in the stored video time stamp information storage unit 9.
Store in A. When the video starts, the video identification information detection unit 2 identifies and specifies the video by video identification information such as a title. The coordinate information extracting unit 3 converts the position pointed on the screen into coordinate information on the screen. The time measurement unit 6
The elapsed time at that time is read. Image elapsed time corresponding coordinates
In the keyword table section 5, coordinate information and keywords on the screen are recorded corresponding to the elapsed time from the start of the video for each of the video identification information.
The coordinate information obtained by the above and the elapsed time obtained by the time measuring unit 6 and the time information stored in the stored video time stamp information storage unit 9A are stored in the coordinate / keyword table unit 5 corresponding to the video elapsed time. At
The coordinate information is compared with the coordinate information on the screen corresponding to the elapsed time recorded in the video elapsed time corresponding coordinate / keyword table section 5, and when the coordinate information is coincident, the image elapsed time corresponding coordinate / keyword table section 5 is used. The keyword corresponding to the elapsed time and the coordinate information is obtained and sent to the keyword corresponding content output unit 1 via the control unit 4, so that the content output unit 1 obtains the content corresponding to the obtained keyword, and Output.

FIG. 9 is an operation flowchart of a content search method according to a third embodiment of the present invention. First, a video is stored in the video storage unit 10 (S308). When storing the video in the video storage unit 10, the time measured from the start time of the video is stored in the stored video time stamp information storage unit 9A together with the video identification information (S309). When the stored video starts (S300), the video identification information such as the title stored in the stored video time stamp information storage unit 9A is identified by the video identification information detection unit 2 (S301). The coordinate information extracting unit 3 converts the position indicated by the user on the screen into coordinate information on the screen (S302). The time measuring unit 6 reads the elapsed time at that time (S303), and stores the coordinate information obtained by the coordinate information extracting unit 3, the elapsed time obtained by the time measuring unit 6, and the stored video time stamp information storing unit 9A. Is stored in the video elapsed time corresponding coordinate / keyword table 5 in the video elapsed time corresponding coordinate
The coordinate information is compared with the coordinate information on the screen corresponding to the elapsed time recorded in the keyword table unit 5 (S304). When the coordinate information matches, the elapsed time and the coordinate at that time are obtained from the coordinate / keyword table unit 5 corresponding to the video elapsed time. A keyword corresponding to the information is obtained (S305), and the keyword corresponding content output unit 1 obtains a content corresponding to the obtained keyword and outputs the content (S30).
6). As described above, the third embodiment is characterized in that the stored video time stamp information storage unit 9A is provided, and the elapsed time is measured and stored here in correspondence with the video identification information (S309). In the third embodiment, even when the video recorded after the broadcast is played back, the convenience of the search is increased.
There is an advantage.

(Fourth Embodiment) FIG. 4 is a configuration diagram of a content search apparatus showing a fourth embodiment of the present invention. FIG.
Then, the coordinates / keyword table section 5 corresponding to the video elapsed time
Instead, a channel / time / keyword correspondence table section 7A is provided. Further, the document search device 1
There is also a feature in providing 1. The user uses the document search device 11 by inputting a keyword. The keyword input here is stored in the user keyword storage unit 8A. When the video starts, the video identification information detection unit 2
Identifies a video by video identification information such as a title and specifies the video. The time measuring unit 6 reads the elapsed time from the start of the video. The channel / time / keyword correspondence table section 7A stores a keyword corresponding to the channel and time of the video, and obtains a keyword corresponding to the elapsed time at that time obtained by the time measurement section 6, and obtains the channel / time.
The time / keyword correspondence table unit 7A compares the keyword in the user keyword storage unit 8A with the obtained keyword, and if they match, the keyword corresponding content output unit 1 obtains the content corresponding to the matched keyword. And output this.

FIG. 10 is an operation flowchart of a content search method according to a fourth embodiment of the present invention. First,
The user inputs a keyword and uses the document search device 11 (S408). The input keyword is stored in the user keyword storage unit 8 (S409). When the video starts (S400), the video identification information detection unit 2 identifies and specifies the video based on the video identification information such as the title (S4).
01). The time measuring unit 6 reads the elapsed time from the start of the video (S402). The channel / time / keyword correspondence table section 7A records keywords corresponding to the video channel and time, and obtains a keyword corresponding to the elapsed time obtained by the time measurement section 6 (S40).
3), channel / time / keyword correspondence table section 7A
Compares the keyword in the user keyword storage unit 8A with the obtained keyword (S404). If the keyword is matched, the keyword-corresponding content output unit 1 obtains the content corresponding to the matched keyword, and It outputs (S405). In the present embodiment, the document search device 1
Although the keyword group used in step 1 is stored before the start of the video, it goes without saying that the keyword group can be stored during the broadcast of the video.
As described above, the fourth embodiment is characterized in that the channel / time / keyword correspondence table unit 7A is provided. Here, it is assumed that the fourth embodiment is used in a CATV or the like in which information of multiple channels is transmitted at one time. Therefore, according to the present embodiment, by using the correspondence between the elapsed time, the channel, and the keyword, the CAT in which information of multiple channels is transmitted at one time
The channel, and thus the broadcast video of a certain elapsed time, can be specified by V or the like. As a result, there is an advantage that the content search becomes easy even in such an environment.

(Fifth Embodiment) FIG. 5 is a block diagram of a content search apparatus showing a fifth embodiment of the present invention. The present embodiment is characterized in that a Web browser 12 (Internet homepage browsing software) is provided. When browsing the homepage, the user registers the title of the homepage in a URL address book such as "favorite" or "bookmark". The title registered here is We
The keyword is stored as a keyword in the user keyword storage unit 8A from the b browser 12. When the video starts, the video identification information detection unit 2 identifies the video based on the video identification information such as the title and specifies the video. The time measuring unit 6 reads the elapsed time from the start of the video. The channel / time / keyword correspondence table section 7A stores a keyword corresponding to the channel and time of the video, finds a keyword corresponding to the elapsed time at that time obtained by the time measurement section 6, and calculates the channel / time / keyword correspondence. Table section 7A
The keyword in the user keyword storage unit 8A is compared with the obtained keyword, and if they match, the keyword corresponding content output unit 1 obtains the content corresponding to the matched keyword and outputs this.

FIG. 11 is an operation flowchart of a content search method according to a fifth embodiment of the present invention. The user browses the homepage and registers a desired title (title) such as “favorite” or “bookmark” in accordance with an instruction on the pointing device (S508). The homepage title registered by the user is stored in the user keyword storage unit 8A (S509). When a video starts (S500), the video identification information detection unit 2 identifies a video by video identification information such as a title, and specifies the video (S501). The time measuring unit 6 reads the elapsed time from the start of the video (S502). The channel / time / keyword correspondence table unit 7 records keywords corresponding to video channels and time, and obtains a keyword corresponding to the elapsed time at that time obtained by the time measurement unit 6 (S503). The keyword correspondence table unit 7A compares the keyword in the user keyword storage unit 8A with the obtained keyword (S50).
4) If they match, the keyword corresponding content output unit 1 obtains the content corresponding to the matching keyword and outputs it (S505). In this embodiment, the homepage title is stored as a keyword group before the start of the video, but it goes without saying that the homepage title can be stored during the broadcast of the video. Thus, in the fifth embodiment, W
The feature is that search titles are registered using the web browser 12, and these are used as keywords in the keyword storage unit 8A.

(Sixth Embodiment) FIG. 6 is a block diagram of a content search apparatus showing a sixth embodiment of the present invention. Sixth
Is characterized in that authentication information such as a password from a user is input via the personal authentication unit 13 and valid keywords are set according to the correspondence with the channel / time / keyword correspondence table unit 7A. is there. Where the individual
The correspondence table between the user and the keyword is recorded in the user keyword storage unit correspondence table unit 14. The user inputs a personal user name and a password to the personal authentication unit 13. When the user name and the password match, the personal authentication unit 13 notifies the control unit 4 of the user name. The control unit 4
With reference to the individual / user keyword storage section correspondence table section 14, control is performed to specify a user keyword storage section 8A that is valid for the user name. When the video starts, the video identification information detection unit 2 identifies and specifies the video based on the video identification information such as the title. The time measurement unit 6
Read the elapsed time from the start of the video. Channel / time /
The channel of the video,
A keyword corresponding to time is recorded, and a keyword corresponding to the elapsed time at that time obtained by the time measuring unit 6 is obtained, and the channel / time / keyword correspondence table unit 7 stores a valid user for the user name. The keyword in the keyword storage unit 8A is compared with the obtained keyword. If the keyword is matched, the keyword is sent to the keyword corresponding content output unit 1 via the control unit 4, and the keyword corresponding content output unit 1 Is obtained and output.

FIG. 12 is an operation flowchart of a content search method according to a sixth embodiment of the present invention. First,
The user inputs the personal user name and password into the personal authentication unit 13
(S608). When the user name and the password match, the personal authentication unit 13 notifies the control unit 4 of the user name (S609). The control unit 4 refers to the individual / user keyword storage unit correspondence table unit 14 and performs control to specify a user keyword storage unit 8A that is valid for the user name (S610). When the video starts (S60
0), the video identification information detection unit 2 identifies the video based on the video identification information such as the title and specifies the video (S60).
1). The time measuring unit 6 reads the elapsed time from the start of the video (S602). In the channel / time / keyword correspondence table section 7A, keywords corresponding to the video channel and time are recorded, and a keyword corresponding to the elapsed time obtained by the time measurement section 6 is obtained (S6).
03). Channel / time / keyword correspondence table section 7
In A, the keyword in the user keyword storage unit 8A valid for the user name is compared with the obtained keyword (S604), and when they match, the keyword corresponding content output unit 1 matches. The content corresponding to the keyword is obtained and output (S6).
05). In this embodiment, the password input is used as the personal authentication. However, fingerprint authentication, iris authentication, speaker authentication,
It goes without saying that handwritten character authentication or the like can be used as personal authentication. As described above, in the present embodiment, the personal authentication unit 1
3, authentication information such as a password from the user is input to the individual / user keyword storage unit correspondence table unit 14
Using the correspondence between the personal authentication information and the keywords registered in the user, the setting and use of a valid keyword for each user are permitted.

After converting the operation flows shown in FIGS. 7 to 12 into programs, the programs are stored in a CD-ROM.
By storing the recording medium in any computer and installing the program on the computer from the recording medium, or by downloading the program to another computer via a network, the program can be easily stored. The present invention can be realized.

[0023]

As described above, according to the present invention,
The following effects are obtained. (1) In an apparatus that outputs a content by matching a keyword with a keyword defined in the content, a table in which coordinates and keywords are associated with video elapsed times is provided independently of video information, and a table is displayed on the screen. A keyword corresponding to the coordinates specified on the screen is extracted from the specified coordinates and the elapsed time at that time, and can be used as the keywords. (2) Also, it is possible to associate with various sponsors and contents only by rewriting only the video elapsed time corresponding coordinate / keyword table part. (3) In addition, by registering a keyword that matches the user's preference in advance, it is possible to automatically acquire content related to the keyword that matches the user's preference. (4) By providing the video storage unit and the stored video timestamp information storage unit, it is possible to output the content corresponding to the keyword of the stored video, and to use the content for the recorded video. (5) As a means for registering a keyword that suits the user's preference, the keyword input by the user in the document search device can be used to automate the keyword registration. (6) Further, when browsing a homepage using a Web browser, the keyword registration can be automated using the title of the homepage registered in “favorite”, “bookmark” or the like. (7) Also, a keyword group used for each individual can be separated and a plurality of persons can use the system.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram of a content search device according to a first embodiment of the present invention.

FIG. 2 is an overall configuration diagram of a content search device according to a second embodiment of the present invention.

FIG. 3 is an overall configuration diagram of a content search device according to a third embodiment of the present invention.

FIG. 4 is an overall configuration diagram of a content search device according to a fourth embodiment of the present invention.

FIG. 5 is an overall configuration diagram of a content search device according to a fifth embodiment of the present invention.

FIG. 6 is an overall configuration diagram of a content search device showing a sixth embodiment of the present invention.

FIG. 7 is an operation flowchart of a content search method according to the first embodiment of the present invention.

FIG. 8 is an operation flowchart of a content search method according to a second embodiment of the present invention.

FIG. 9 is an operation flowchart of a content search method according to a third embodiment of the present invention.

FIG. 10 is an operation flowchart of a content search method according to a fourth embodiment of the present invention.

FIG. 11 is an operation flowchart of a content search method according to a fifth embodiment of the present invention.

FIG. 12 is an operation flowchart of a content search method according to a sixth embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Keyword corresponding content output part, 2 ... Video elapsed time corresponding coordinate, 3 ... Coordinate information extraction part, 5 ... Video elapsed time corresponding coordinate / keyword table part, 4 ... Control part, 6 ... Time measuring part, time measuring part, 7: Content search unit, 8: Video input unit, 9: Video recording unit, 10: Video display unit, 7A: Channel / time / keyword correspondence table unit, 8A: User keyword storage unit, 9A: Stored video time stamp information Storage unit, 10A: video storage unit, 11: document search device,
12 Web browser, 13 Personal authentication unit, 14 Individual / user keyword storage unit correspondence table unit.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Ryozo Nukawa, Inventor 2-3-1 Otemachi, Chiyoda-ku, Tokyo Nippon Telegraph and Telephone Corporation (72) Inventor Wataru Inoue 2-3-3, Otemachi, Chiyoda-ku, Tokyo No. 1 Nippon Telegraph and Telephone Corporation (72) Inventor Shinya Uegaki 2-3-1 Otemachi, Chiyoda-ku, Tokyo F-Term within Nippon Telegraph and Telephone Corporation (Reference) 5B075 ND12 PP22 PQ02 PQ05

Claims (15)

[Claims] 1. A content search apparatus for outputting a searched content by inputting a keyword, comprising: a time measuring unit for measuring time; and program information comprising at least a correspondence between a broadcast date and time, a broadcast channel, and a program title. A video identification information detecting unit for recording and identifying a broadcast program from a channel for receiving a broadcast signal and the time, and measuring an elapsed time from the start of the broadcast program; and a video display unit for displaying an image based on the broadcast signal. A coordinate information extraction unit that specifies a video region on the display video; an elapsed time keyword correspondence recording unit that records at least the correspondence between the elapsed time when the video region is input and a keyword; A keyword transmitting unit for specifying and transmitting a keyword corresponding to the elapsed time, and a content search information corresponding to the keyword. Or content retrieval apparatus characterized by having a content output unit for displaying the content. 2. The content search device according to claim 1, wherein the video identification information detection unit reads an elapsed time earlier by a time spent in the specification than in the end of the specification of the video area when reading the elapsed time. Alternatively, a specific elapsed time is selected from the elapsed times at which the recorded video area is specified, and the video recorded immediately before the specific elapsed time is played back in slow motion, and the original elapsed time is designated. A content search device, wherein the content search device is replaced with an elapsed time. 3. A content search apparatus for outputting a searched content by inputting a keyword, comprising: a time measuring unit for measuring time; and program information comprising at least a correspondence between a broadcast date and time, a broadcast channel, and a program title. A video identification information detecting unit that specifies a broadcast program from a channel for recording and receiving a broadcast signal and the time, measures an elapsed time from the start of the broadcast program, and stores a keyword group selected by a user. The keyword corresponding to the video channel and time is recorded in the user keyword storage unit, and the keyword corresponding to the elapsed time at the time obtained by the time measurement unit is compared with the keyword in the user keyword storage unit. A channel / time / keyword correspondence table for determining whether or not the keyword has been matched; Content search apparatus characterized by having a content search information or content output unit for displaying the content. 4. A content search device for outputting a searched content by inputting a keyword, a video storage unit for storing a video, and when storing the video in the video storage unit, a time is measured from a start time of the video. A stored video time stamp information storage unit for storing time together with video identification information, a time measurement unit for measuring time, and identifying a video at least at the start of the video or in the middle of the video by video identification information such as a video title. A video identification information detecting unit that specifies the video area on the display video, a coordinate information extraction unit that specifies a video area on the display video, and a video recorded on the screen corresponding to the elapsed time from the start of the video for each video identification information. Of the coordinate information obtained by the coordinate information extraction unit, the elapsed time obtained by the time measurement unit, and the stored video time stamp information. A time-lapse coordinate / keyword table unit for obtaining a keyword corresponding to the elapsed time and the coordinate information at the time when the comparison result matches with the time information stored in the product unit; And a keyword-corresponding content output unit for obtaining a content corresponding to the keyword and outputting the content. 5. A content search device for inputting a keyword and outputting a searched content, comprising: a document search device for searching for a document when a keyword is input by a user; and a storage device for storing the input keyword. A keyword storage unit; a video identification information detection unit that identifies and specifies the video by video identification information such as a video title from the start of the video or from the middle of the video; A time measuring unit for measuring time, a keyword corresponding to the elapsed time at the time point obtained by the time measuring unit is obtained, and the keyword is compared with the keyword stored in the user keyword storing unit. Channel / time / keyword correspondence table to determine whether or not A content search device, comprising: a content corresponding to a keyword for obtaining a content and outputting the content. 6. A content retrieval apparatus for outputting a retrieved content by inputting a keyword, a user keyword storage unit for storing a URL address book in which a title of a homepage or the like is registered as a keyword by a web browser, A video identification information detecting unit that identifies and specifies the video by video identification information such as the title of the video from the start of the video or the middle of the video, and a time measurement that measures the elapsed time from the start of the video or the middle of the video. Channel and time for determining a keyword corresponding to the elapsed time at the time obtained by the time measuring unit, comparing the keyword with the keyword in the user keyword storage unit, and determining whether or not they match.・ If the comparison result matches the keyword correspondence table, the keyword For content that the content retrieval device characterized by having a keyword corresponding content output unit for outputting the content. 7. A content retrieval apparatus for outputting a searched content by inputting a keyword, a user keyword storage unit for storing the input keyword, and an individual / usage recording a correspondence between the user and the keyword. User keyword storage section correspondence table section, when a user name and password of an individual are input, a personal authentication section that notifies when the user name and password match, and when a notification is received from the personal authentication section, the personal authentication section A control unit for designating a user keyword storage unit valid for the user name by referring to the user keyword storage unit correspondence table unit; and a process from the start of the video or from the start of the video to the start of the video A time measuring unit for measuring time, and a keyword corresponding to an elapsed time at a time point obtained by the time measuring unit is obtained. A channel / time / keyword correspondence table unit for comparing a keyword with a keyword in a user keyword storage unit valid for the user name and determining whether or not the keyword matches; A content output unit for obtaining a corresponding content and outputting the content. 8. A content search method for outputting a searched content by inputting a keyword, comprising the steps of: starting from a video, or from the middle of the video, by using video identification information such as a title, a broadcast channel, and a broadcast date and time. Identifying and specifying; converting a position designated by the user on the screen into coordinate information on the screen; reading out the elapsed time of the video; and the coordinate information and elapsed time obtained in the step. Is compared with the coordinate information on the screen corresponding to the elapsed time recorded in the video elapsed time corresponding coordinate / keyword table section.
A step of obtaining a keyword corresponding to the elapsed time and the coordinate information at the time from the keyword table section; and obtaining a content corresponding to the obtained keyword.
Outputting the content. 9. The content search method according to claim 8, wherein, when reading the elapsed time of the video, a step of reading an elapsed time earlier by a time spent for the specification than the end of the specification of the video area, or Select a specific elapsed time from the elapsed time to specify the video area recorded in the coordinate / keyword table corresponding to the elapsed time, and slowly reproduce the video recorded by the video recording unit immediately before the specific elapsed time. And accepting the user's designation of the elapsed time again via the coordinate information extraction unit, and replacing the original elapsed time recorded in the coordinate / keyword table corresponding to the video elapsed time with the designated elapsed time. And a content search method. 10. A content search method for inputting a keyword and outputting a searched content, wherein a step of registering a keyword desired by a user in a user keyword storage unit; Identifying and identifying the video by video identification information such as the title of the video; reading the elapsed time from the start of the video or the middle of the video; A step of obtaining a corresponding keyword; a step of comparing the obtained keyword with a keyword in the user keyword storage unit; if the comparison results match, a content corresponding to the matched keyword is obtained; Outputting a content. 11. A content search method for outputting a searched content by inputting a keyword, wherein a video is stored in a video storage unit, and the video is stored in the video storage unit and the video is started from a video start time or an intermediate time. Storing the counted time in the stored video time stamp information storage unit; identifying the video identification information such as a title stored in the stored video time stamp information storage unit when the stored video starts; Converting the position specified on the screen into coordinate information on the screen, reading the elapsed time of the video, obtaining the coordinate information, the elapsed time, and the stored video time stamp information storage unit The time information accumulated in the time is stored in the coordinate / keyword table corresponding to the elapsed time of the video. Comparing the coordinate information with the coordinate information on the screen corresponding to the time interval; and, when the result of the comparison is a match, obtaining a keyword corresponding to the elapsed time and the coordinate information from the video elapsed time corresponding coordinate / keyword table section. Obtaining a content corresponding to the obtained keyword, and outputting the content. 12. A content search method for inputting a keyword and outputting a searched content, wherein the step of inputting the keyword using a document search device and the step of storing the input keyword in a user keyword storage unit. At the start of the video, or in the middle of the video, identifying and specifying the video by video identification information such as the title of the video; and reading the elapsed time from the start of the video, or the middle of the video. A step of obtaining a keyword corresponding to the elapsed time read in the step; a step of comparing the keyword obtained in the step with a keyword in the user keyword storage unit; Finds the content corresponding to the matched keyword and outputs the content. Content retrieval method characterized by a step. 13. A content search method for outputting a searched content by inputting a keyword, a step of registering a title of a homepage, a step of storing the registered title in a user keyword storage unit, Or identifying and identifying the video from the middle of the video by video identification information such as the title of the video, reading the start of the video or the elapsed time from the middle of the video, Obtaining a keyword corresponding to the determined elapsed time; comparing the obtained keyword with a keyword in the user keyword storage unit; if the result of the comparison is a match, the keyword corresponds to the matched keyword Obtaining the content and outputting the content. Content search method to. 14. A content search method for outputting a searched content by inputting a keyword, wherein a step of inputting a personal user name and a password to a personal authentication unit; Notifying the name to the control unit; the control unit referring to the individual / user keyword storage unit correspondence table unit to specify a user keyword storage unit valid for the user name; Starting or starting from the middle of the video, identifying and specifying the video by video identification information such as the title of the video, reading the elapsed time from the start of the video or the middle of the video, Obtaining a keyword corresponding to the elapsed time read in; and the keyword obtained in the step, Comparing the user name with a keyword in the user keyword storage unit that is valid; and, if the result of the comparison is a match, obtaining a content corresponding to the matched keyword and outputting the content. And a content search method. 15. A recording medium recording a content search program, wherein each step of the content search method according to claim 8 is converted into a program, and the program is stored in the recording medium.