JP2006003259A - Navigation device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a navigation device capable of setting a destination afterwards based on an image or a voice received optionally, even if the received image or voice is not actually seen or heard. <P>SOLUTION: This device is equipped with a broadcasting receiver 101 for receiving TV broadcasting or the like; a telop detection cutting-out processing part 109 for cutting out a telop including character information from a received program; a character recognition processing part 110 for recognizing the cut-out character information; a content management table 103 for storing the recognized character information and an image including the character information; a navigation function part 105 for retrieving objective character information from the content management table 103, setting the retrieved character information as the destination, and searching for a route to the destination; and a display part 107 for displaying the route to the destination. In the device, the character information in the received TV program is cut out automatically and stored in the content management table, and route guidance wherein the character information is used as the destination can be performed as the need arises. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a navigation device that performs map display, route search, route guidance, and the like around a vehicle position.

  Conventionally, a navigation device has a map display function that displays a map of the vehicle position and the like on the screen, a route search function that automatically searches for a route to a destination or waypoint specified by the user, Each has a route guidance function for guiding a vehicle along a route searched and set by function.

  Recently, some navigation devices have functions for receiving and displaying television broadcasts and radio broadcasts, and playing and displaying music and video recorded on CDs, DVDs, HDDs, and the like. is there.

In the navigation device having such a function, when information such as a facility name, an address, and a telephone number is included in the video and audio when receiving a television broadcast or a radio broadcast, It is also known that it can be extracted and its facility name, address, telephone number, etc. can be set as destinations. (For example, see Patent Document 1)
According to this, the location can be set as the destination based on the name, address, telephone number, etc. of any facility broadcast on television broadcast or radio broadcast, etc. In addition, it is not necessary to set the destination based on the name of the facility, address, telephone number, etc. broadcast on television broadcasting or radio broadcasting, and set the destination easily. It has the effect of being able to.
JP 2002-333340 A

  However, what is described in Patent Document 1 is that when a desired facility name, address, telephone number, etc. are broadcast while watching a television broadcast or a radio broadcast, a predetermined switch is operated. By doing so, the video and audio at that time are stored in the storage means, and the facility name, address, telephone number, etc. can be set as the destination based on the video and audio stored later. Even if the desired facility name, address, telephone number, etc. are broadcast in television broadcasting or radio broadcasting, the broadcasting time is very short in time, and is limited to a specific Even if the switch is operated, there is a problem that it is very troublesome to properly measure the timing and it is often overlooked.

In addition, in this way, there is a problem that a certain switch that has to be operated while viewing a television broadcast or a radio broadcast can hardly be operated while the vehicle is running.
The present invention solves such a conventional problem, and even if the received video and audio are not actually viewed, the destination can be determined based on the video and audio that are arbitrarily received later. The object is to provide a navigation device that can be set.

The navigation apparatus of the present invention includes a broadcast receiving means for receiving a broadcast, character information cutting means for cutting out character information from the received broadcast program, a content management table for storing the cut out character information, A search means for searching for desired character information from the content management table, a navigation function means for setting the searched character information as a destination and searching for a route to the destination, and a route to the searched destination And a display means for displaying.

  With this configuration, if there is character information in the received broadcast program, it is automatically cut out and stored in the content management table. Therefore, as long as the broadcast reception state is set, the content is not overlooked. It can be registered in the management table, and there is no need to operate the switch while viewing the received broadcasts, which is convenient for the user.

  The navigation device of the present invention has a configuration in which the broadcast is a television broadcast and the text information is telop information in the video information broadcast.

  With this configuration, when there is telop information in a television program, the telop information is cut out and stored in the content management table, and the destination can be set based on the telop information. .

  Further, the navigation device of the present invention is a telop information in video information in which the broadcast is a television broadcast and character information is broadcast, and the character information is stored in the content management table together with the video including the character information and searched. When character information is retrieved by means, an image including character information is also output.

  With this configuration, an image is displayed in addition to character information, so that the situation can be expressed more clearly and the destination can be easily selected.

  Further, the navigation device of the present invention includes a reproducing means for reproducing a recorded broadcast, a character information extracting means for extracting character information from the reproduced broadcast information, and a content management table for storing the extracted character information. Search means for searching for target character information from the content management table, navigation function means for setting the searched character information as a destination and searching for a route to the destination, and a route to the searched destination And a display means for displaying.

  With this configuration, if a TV broadcast is recorded by a home VTR, DVD recorder, etc., and is set and played back on a playback device, if there is text information from the played back video, it is stored in the content management table. Thus, it has an effect that necessary character information can be appropriately extracted from the content management table and set as a destination.

  In addition, the navigation device of the present invention includes a communication unit capable of communicating with an external device, and has a configuration capable of storing telop information received via the communication unit in a content management table.

  With this configuration, for example, there is an effect that a broadcast can be received by a home TV broadcast receiver, and telop information can be cut out and stored in the content management table through communication means.

  In addition, the navigation device of the present invention includes a communication unit that can communicate with an external device, and further includes a unit that can obtain and set a destination directly from an external database via the communication unit.

  The present invention relates to broadcast receiving means for receiving a broadcast, character information cutting means for cutting out character information from the received broadcast program, a content management table for storing the cut out character information, and a content management table A search means for searching for target character information from the navigation, a navigation function means for setting the searched character information as a destination and searching for a route to the destination, and a display for displaying the route to the searched destination If there is character information in the received broadcast program, the character information is automatically cut out and stored in the content management table. It can be registered in the content management table without missing the character information. Therefore, unlike the conventional case, there is no need to operate the switch while watching the received broadcasts one by one, and there is an effect that it is very convenient for the user.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
(Embodiment)
FIG. 1 is a block diagram showing a schematic configuration of a navigation apparatus according to an embodiment of the present invention.

  As shown in FIG. 1, the navigation apparatus according to the present embodiment includes a TV broadcast receiver 101 that receives a television broadcast. The video and audio received by the TV broadcast receiver 101 are CRT or liquid crystal. The sound is displayed on the display unit 107 including a display device and the sound is output from the sound output unit 108.

  The navigation device according to the present embodiment includes a gyroscope, a distance sensor, a GPS receiver, a self-contained navigation positioning device, and the like, and a position detection unit 102 that measures the current position of the vehicle based on these output signals; A storage unit 103 storing map information, map matching information, facility information, and the like, and a touch panel, a remote control, a remote control light receiving unit, and the like, and an operation unit 104 for a user to operate the navigation device. I have.

  Furthermore, when the user sets a destination using the operation unit 104, a function for automatically setting an optimum route from the current position measured by the position detection unit 102 to the destination set using the operation unit 104 And a search processing unit 106 capable of operating a map matching function for positioning the current position measured by the position detection unit 102 to a position on the map, a search function for searching for a facility name for setting a destination, and the like. A navigation function unit 105 including a program for realizing these functions, a CPU, a ROM, a RAM, an I / O for processing them, and a bus for connecting them to each other is provided.

  Information such as map information, characters, and images from the navigation function unit 105 is displayed on the display unit 107, and audio information from the navigation function unit 105 is output from the audio output unit 108.

  Further, it is determined whether or not there is a telop including character information in the video information composed of a series of frames received by the TV broadcast receiver 101. If it is determined that there is a telop, the frame is retained, A telop detection area 109 that obtains a telop pixel area, performs character recognition processing based on the pixel area, and creates a character cut-out image, and executes character recognition processing from the character cut-out image to recognize character information A recognition processing unit 110.

  Next, the operation of the navigation device in the present embodiment will be described.

  As described above, the navigation device according to the present embodiment includes the position detection unit 102, and the position detection unit 102 always measures the current position. When the current position is measured, the position is displayed together with the map on the display unit 107 under the control of the navigation function unit 105. When a destination is input using the operation unit 104 and an operation for route search is performed, the search processing unit 106 of the navigation function unit 105 acts to search for a route from the current position to the destination. Then, the searched route is displayed on the display unit 107, and when the vehicle travels, the route guidance is executed using the voice output unit 108 accordingly.

  By the way, in the navigation apparatus according to the present embodiment, not only the destination is directly input using the operation unit 104, but also any one of the telop information received by the TV broadcast receiver 101 is selected and used. It is configured so that it can be set as a destination. Hereinafter, this operation will be described in detail.

  FIG. 2 is a flowchart showing an operation when the telop information is cut out based on the video information received by the TV broadcast receiver 101 and the character recognition process is performed in the navigation device according to the present embodiment.

  FIG. 3 shows broadcast program information (reception date / time, channel, program name) received by the TV broadcast receiver 101, a saved file name of a video frame when telop information is detected, and a telop character string that has been character-recognized. An example of a content management table that holds The content management table is provided in the storage unit 103.

  Now, it is assumed that the operation unit 104 is operated by the user and a broadcast reception instruction is given through the operation unit 104. When a broadcast reception instruction is given, the TV broadcast receiver 101 receives a television broadcast of the designated channel, displays the received program video on the display unit 107, and outputs audio from the audio output unit 108. Then, video information including a series of frames is output to the telop detection cutout processing unit 109. While the vehicle is running, the received image is not displayed on the display unit 107, and map information is displayed.

  In this way, when video information composed of a series of frames is output to the telop detection / cutout processing unit 109, the telop detection / cutout processing unit 109 receives the video composed of a series of frames received by the TV broadcast receiver 101. It is detected whether there is telop information including character information such as a facility name, address, and telephone number in the information (S201). Here, the detection process for determining whether or not there is telop information can use a known method known in Japanese Patent Laid-Open Nos. 9-322173, 10-154148, 2001-285716, and the like.

  As described above, when it is determined that there is telop information in the video information including a series of frames, if it is determined that there is telop information (Y in S202), the video frame detected as the telop information is held. Then, the telop area image in the video frame is cut out and output to the character recognition processing unit 110 (S203). The character recognition processing unit 110 performs a known OCR process on the clipped telop area image to obtain a character recognition result (S204). The video frame data detected as the telop information is stored and saved in the content management table together with the character recognition result (S205).

  After that, when the broadcast reception is finished (Y in S206), the telop detection process for the broadcast program currently being processed is finished. Otherwise (N in S206), the process returns to S201, and the above explanation is made. Repeat the same operation.

As a result, unless the broadcast reception is terminated, the above procedure is repeated for all contents in the received program, and all the telop information is detected for each received program, and the characters included in the telop information are detected. Data is accumulated in the content management table. Therefore, by searching this table, it is possible to detect telop information such as a facility, address, and telephone number in a program arbitrarily received by the TV broadcast receiver 101, and set it as a destination. it can.

  FIG. 4 shows an example of a screen displayed on the display unit 107 that is used when a user performs a facility search or the like. When the user performs an operation for performing facility search using the content management table using the operation unit 104, the display unit 107 displays, for example, what the search key is performed as shown in FIG. Are selectively displayed first. Here, for example, if the user selects “Search from received program” using the operation unit 104 and inputs the program name “XX”, the program is controlled under the control of the navigation function unit 105. The recognized character string of the telop information and the telop detection image frame that have been examined with the name “XX” are extracted from the content management table in the storage unit 103 and displayed on the display unit 107 as shown in FIG. The

  In the state shown in FIG. 5, if the user selects any detected image or recognized character string, for example, the recognized character string 2 “Δ □□ △” using the operation unit 104, this is the navigation function unit. 105, and under the control of the navigation function unit 105, as shown in FIG. 6, using the recognition character string 2 “Δ □□ △” as a search key, whether it is a name or an industry name, A screen for selecting the type of the search key, such as whether it is a telephone number or a keyword, is displayed on the display unit 107.

  Here, for example, when “name” is selected as the search type and the “search” button is operated, the search processing unit 106 performs search processing from the search key “Δ □□ △” and the search type “name”. As shown in FIG. 7, for example, the names of facilities with the recognition character string 2 “Δ □□ Δ” as a search key are displayed together with the number of search results. Therefore, by selecting one of the names listed here and setting it as a destination using the operation unit 104, the selected facility name is used as the destination. The route to the destination can be automatically set and guided.

  In the state shown in FIG. 6, when the “correct” button is operated, the recognized character string set as the search key can be edited / corrected. Therefore, if the recognition character string automatically set is not what is desired, the recognition character string set at that stage can be arbitrarily edited / modified.

  As described above, according to the present embodiment, if the TV broadcast receiver is in a reception state, the telop information is automatically detected, and the video including the telop information and the character string included in the telop information are detected. Can be stored in the content management table respectively, so you can search this table later and arbitrarily select the desired facility name, address, telephone number etc. and set it as the destination The route can be automatically searched and route guidance can be provided.

  Therefore, according to the present embodiment, it is not necessary to wait for the telop information to be broadcast while watching the TV program, and to set it at that timing. For the user, the telop information is not overlooked and handled. It has the advantage of being easy.

In the present embodiment, the TV broadcast receiver 101 is provided in the navigation device itself, and the TV broadcast receiver 101 receives the TV broadcast, detects the telop information, and stores it in the content management table. A TV broadcast receiver provided outside, for example, a TV broadcast receiver at home, provided with a telop detection cut-out processing unit and a character recognition processing unit, acquires telop information at home, and transmits it to the communication unit 111 or card You may make it memorize | store in the memory | storage part 103 via recording media, such as memory. In this way, various telop information can be obtained and stored at the stage of receiving the TV broadcast receiver in the home, and a more desired desired destination can be set.

  In this embodiment, the TV broadcast receiver 101 is provided in the navigation device, and the TV broadcast receiver 101 receives the TV broadcast, detects the telop information, and stores it in the content management table. Instead of the broadcast receiver 101, a VTR, a hard disk drive, a DVD recorder, or the like that records a TV broadcast or the like may be used, and telop information may be detected from the recorded video and stored in the content management table.

  In the present embodiment, the telop information is only detected from the video received by the TV broadcast receiver 101, and the destination can be set based on the detected telop information. The destination may be obtained from an external database via this communication means and set.

  In this embodiment, the telop information is detected from the video received by the TV broadcast receiver 101, and the destination can be set based on the detected telop information. However, the radio broadcast receiver is used to broadcast the radio broadcast. The facility name, address, telephone number, etc. may be cut out from the contents and stored in the content management table in a similar manner so that they can be searched. In this way, the destination can be set from the content received by the radio broadcast receiver, and the route to the destination can be searched and guided.

  The present invention relates to broadcast receiving means for receiving a broadcast, character information cutting means for cutting out character information from the received broadcast program, a content management table for storing the cut out character information, and a content management table A search means for searching for target character information from the navigation, a navigation function means for setting the searched character information as a destination and searching for a route to the destination, and a display for displaying the route to the searched destination If there is character information in the received broadcast program, it is automatically cut out and stored in the content management table. It is possible to register in the content management table without missing any. Therefore, unlike the prior art, it is not necessary to operate the switch while watching the received broadcast, and it is very convenient and useful for the user.

The block diagram which shows the outline of the navigation apparatus in one embodiment of this invention The flowchart which shows operation | movement of the navigation apparatus in one embodiment of this invention. The figure which shows an example of the content management table used in the navigation apparatus in one embodiment of this invention. The figure which shows an example of the menu display screen at the time of performing the facility search in the navigation apparatus in one embodiment of this invention The figure which shows an example of the display screen of the state which searched the facility search in the navigation apparatus in one embodiment of this invention from the received program. The figure which shows an example of the display screen in the case of performing the facility search in the navigation apparatus in one embodiment of this invention from a search key and a name. The figure which shows an example of the result of having performed the facility search in the navigation apparatus in one embodiment of this invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 101 TV broadcast receiver 102 Position detection part 103 Storage part 104 Operation part 105 Navigation function part 106 Search processing part 107 Display part 108 Audio | voice output part 109 Telop detection cut-out processing part 110 Character recognition processing part 111 Communication part

Claims (8)

Broadcast information supply means for supplying broadcast information, character information extraction means for extracting character information from the supplied broadcast information, storage means for storing the extracted character information, and desired storage means from the storage means Search means for searching for the character information, route search means for setting the searched desired character information as a destination, searching for a route to the set destination, and displaying the searched route A navigation device comprising display means. The navigation apparatus according to claim 1, wherein the broadcast information supply means comprises broadcast reception means for receiving broadcast information. 2. The navigation apparatus according to claim 1, wherein the broadcast information supply means comprises playback means for playing back recorded broadcast information. A communication means capable of communicating with an external device is further provided, wherein the external device has the broadcast information supply means, and the broadcast information supply means and the storage means are communicated via the communication means. Item 4. The navigation device according to Item 1. The apparatus further comprises communication means capable of communicating with an external device, wherein the external device has the broadcast information supply means and the storage means, and the storage means and the search means are communicated via the communication means. The navigation device according to claim 1. 6. The navigation apparatus according to claim 2, wherein the broadcast information is television broadcast information, and the character information is telop information in video information of the television broadcast. The broadcast information is television broadcast information, the text information is telop information in the broadcast video information, and the text information is stored in the storage means together with video information including the text information, and the search 7. The navigation apparatus according to claim 2, wherein when the character information is searched by means, the character information and video information including the character information are presented. 2. The navigation apparatus according to claim 1, wherein the broadcast information supply means comprises broadcast receiving means for receiving information on audio broadcasting.

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