CN1758727A - Method and device for automatic searching TV. program - Google Patents
Method and device for automatic searching TV. program Download PDFInfo
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- CN1758727A CN1758727A CN 200510115785 CN200510115785A CN1758727A CN 1758727 A CN1758727 A CN 1758727A CN 200510115785 CN200510115785 CN 200510115785 CN 200510115785 A CN200510115785 A CN 200510115785A CN 1758727 A CN1758727 A CN 1758727A
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Abstract
A method for automatically indexing TV program includes forming an inquiry condition bank automatically according to content of TV program viewed by user before, extracting characteristic information of TV program received currently to carry out comparison-indexing with said inquiry condition bank and recommend the program to user if program is consistent to condition. The device for realizing the method is also disclosed.
Description
Technical field
The present invention relates to TV program retrieving, relate in particular to, a kind ofly need the user initiatively to participate in hardly, and the TV programme automatic searching method and the device that mainly rely on the user to watch custom to realize.
Background technology
The program channel number that the continuous development of tv broadcasting technology makes the televiewer to watch increases just day by day, especially accelerates along with Digital Television replaces the paces of simulated television, and the televiewer discerns own this process of interested TV programme also can be more miscellaneous.
In the tradition, the televiewer judges interested TV programme according to the TV guide of analyzing printing.The TV programme detail of watching that this class TV guide includes by date, channel and programme content are listed.Along with the increase of TV programme quantity, utilize the interested TV programme of program guide effective recognition of this class printing more and more difficult.
At present, occurred the TV Guide of electronic format in the Digital Television, be commonly referred to as electronic program guides (EPGs), EPGs includes form, and wherein by date and the time, channel and title are listed the TV programme that can watch.The TV programme that some EPGs allows the televiewer can watch by personal like's classification or search.In addition, EPGs allows to show the TV programme that can watch on screen.
Also disclose some in the prior art and carried out the technology of program search, for example, application number is that the Chinese patent application " program search equipment, program video treatment facility and program " of CN03110680.3 discloses a kind of program search equipment, program video treatment facility and program that can more accurate retrieval program.Content comprises: control section receives electronic program guides by tuner or network interface; When selecting character string in the electronic program guides by operation part as keyword, this keyword of registration in memory cell; When receiving updated electronic program guide, control section uses the keyword that is registered in the memory cell, and the search program is sought those programs that mate this keyword in electronic program guides; When detecting the program of arbitrary coupling keyword, control section shows all matching section purpose tabulations at output.
Application number is that the Chinese patent application " dedicated channel of display program " of CN01821184.4 has been described a kind of system and method for handling performance guide information.Content comprises: the user selects or the input user handles solicited message, like this, the user just for example Request System program recommendations is proposed, the perhaps information search performance guide information of importing according to the user; User according to input handles solicited message processing performance guide information then; In dedicated channel, show result subsequently.
In addition, also have some recommendation tool to can be used to recommending television.For example, the Tivo system allows the program that spectators utilize one " Thumbs Up and Thumbs Down " (on turn over and descend turn over) functional evaluation program also to indicate spectators to like and dislike respectively.Subsequently, the Tivo receiver is with spectators' hobby that is write down and the program data that is received, and for example an EPG mates, and makes the recommendation that is suitable for each spectators.This class generates the instrument of television program recommendations according to the history of watching before the spectators, and the program that provides these spectators to like is selected.Even but by means of this class program recommender, still be difficult to make spectators from all are selected, to choose the program that he likes.In addition, the instrument of current available basis " user definition inquiry " searching epg needs the user before watching Query Result, carries out the several times button operation, very inconvenience.
Therefore, still there are not a kind of method or device at present, can automatically discern and select TV programme and recommend the user the hobby of program according to the user, in particular, even lack a kind of technology of under the situation that the user does not have or few active participates in, effectively discerning interested TV programme.
Summary of the invention
In view of this, main purpose of the present invention is to provide the method for building up in a kind of TV programme querying condition storehouse, is used to the television program type that generates user's custom or like watching;
Another purpose of the present invention is to provide a kind of TV programme automatic searching method, and the record that it can be watched in the past according to the user is constructed a querying condition storehouse automatically, and carried out program according to this querying condition storehouse and retrieve automatically;
Another purpose of the present invention is to provide a kind of TV programme automated retrieval device, the TV programme that is used to retrieve with the inquiring user custom or likes watching;
A further object of the present invention is to provide a kind of television system with the automatic search function of program, and this television system does not need the user to carry out such as modes such as keyword inputs, and the TV programme that can retrieve and recommend the user to be accustomed to or to like watching automatically;
For achieving the above object, technical scheme of the present invention specifically is achieved in that
The method for building up in a kind of TV programme querying condition storehouse, its characteristics are, comprising:
Receive television content, Automatic Extraction programs feature information from the television content that the user is watching, the characteristic information that each program extracted comprehensively is a querying condition;
Repeatedly, from the different TV programme that the user watches, extract corresponding programs feature information, form querying condition and be stored as the potential programs of interest querying condition of user storehouse;
Program inquiry condition storehouse is watched new TV programme and is constantly carried out Dynamic Maintenance and modification with the user.
Further, the programs feature information of described extraction is the frequent characteristics of image that occurs in the picture material;
Further, the programs feature information of described extraction is the frequent sound characteristic that occurs in the sound-content;
Further, the programs feature information of described extraction is the frequent character features that occurs in the content;
Further, the programs feature information of described extraction is the programs feature that occurs in the electronic program guides (EPGs).
Further, the querying condition of described storage can be but be not limited to fixed combination, the fixed combination between each sound characteristic, the fixed combination between each character features between each characteristics of image, or the fixed combination between the characteristics of image, sound characteristic, character features.
Further, the querying condition of described storage can be the programs feature of appearance in the electronic program guides (EPGs) and the fixed combination between image, sound or the character features.
Further, comprise the steps A that querying condition is handled in the described method;
Further, described treatment step A merges querying condition identical or that similar feature is formed;
Further, comprise the step B that querying condition is carried out the importance degree statistics or adds up in the described method;
Further, described importance degree statistics or accumulation step B correspondingly improve the importance degree of user to the preference of the TV programme that meets this querying condition according to the merged number of times of querying condition identical or that similar feature is formed;
Further, described importance degree statistics or accumulation step B watch the time span of the program that meets a certain querying condition correspondingly to improve the importance degree of user to the preference of the TV programme that meets this querying condition according to the user;
Further, described importance degree statistics or accumulation step B watch the number of times of the program that meets a certain querying condition correspondingly to improve the importance degree of user to the preference of the TV programme that meets this querying condition according to the user;
Further, if when the user misses potter this type of program, can carry out the affirmation of importance degree to this program by man-machine interface, then the querying condition that meets with such program is unnecessary through repeatedly watching the raising that can obtain importance degree;
Further, but the contents fragment that user's manual confirmation is watched at present is interested, then only this contents fragment is analyzed the extraction feature, so that following inquiry is more accurate;
Further, often the advertising message feature that occurs can be got rid of automatic or manually, produces to eliminate wrong search condition;
A kind of TV programme automatic searching method, its characteristics are, comprising:
According to the content of the TV programme of watching before the user, construct a querying condition storehouse automatically;
From the present TV programme that receives, extract the retrieval of comparing of characteristic information and above-mentioned querying condition storehouse;
If with wherein the condition then recommended user of giving of this program that matches.
Further, can start a plurality of retrieval process simultaneously, promptly simultaneously a plurality of program channels be carried out feature extraction and comparison simultaneously, to accelerate retrieval rate;
A kind of TV programme automated retrieval device, its characteristics are, comprising:
A feature extraction module is used for extracting characteristic information from the television content Media Stream that the television content Media Stream that the user is watching maybe needs to retrieve;
A characteristics analysis module is used for querying condition is analyzed and formed to the characteristic information that above-mentioned feature extraction module extracts;
A characteristic storage module is used to store above-mentioned characteristics analysis module according to the formed querying condition of watching of television content Media Stream;
A feature judge module is used for the querying condition that above-mentioned characteristics analysis module is stored according to the formed querying condition of watching of television content Media Stream and the above-mentioned characteristic storage module judgement of comparing is seen if there is identical TV programme;
A channel memory module, the programme channel that storage coincide is to recommend to the user.
Further, remaining with in the described device does not need above-mentioned each module to carry out the direct channel of work, is used to guarantee that TV programme Media Stream non-processor passes through.
A kind of automatically television system of retrieval of TV programme of carrying out comprises: the decoded portion that content of TV program is decoded, and the broadcast part that shows and play content of TV program, its characteristics be,
Also comprise a TV programme automated retrieval device in described decoded portion with between playing partly, this TV programme automated retrieval device carries out retrieval analysis according to user's watch custom and potential hobby to the TV programme of not playing, and result for retrieval is recommended the user.
Further, can directly carry out the transmission of data flow by transparent channel between described decoded portion and the broadcast part, that is, the user can select control whether to carry out program search;
Further, described system is applicable to single-image TV or PIP;
Further, describedly give user's means for will recommend channel to switch to the main display frame of television system program commending;
Further, before the channel that key frame is set to like, the user has an opportunity to check channel information;
Further, describedly give user's means for will recommend channel to switch to the little display frame of television system program commending;
Further, can on screen, show channel designation and the feature description that has searched;
Further, can a single-row dedicated channel be personal channel, be used to show the TV programme that is searched;
Further, a plurality of programs of finishing of search can be on little picture at random or loop play, the user can browse selection;
Further, how many a plurality of programs of finishing of search also can according to itself and querying condition or identical the sorting of characteristic information, for example, when the more program of characteristic information found than the TV programme of playing on the little picture, then the more program of handoff features information is play to little picture.
As seen from the above technical solution, the invention has the advantages that, described method or device are by some characteristic informations of Automatic Extraction in the program of liking the user or being accustomed to watching, and these characteristic informations are made up effectively, become the means that to carry out the querying condition of program search and identification, set up the program inquiry condition storehouse of a potential hobby of concentrated user, then in the watching of future, utilize the formed querying condition of these characteristic informations to discern and select the user's interest TV programme, got rid of and relied on the defective that electronic program list is inquired about in the prior art simply, make retrieval method more flexible, result for retrieval is more accurate.
Description of drawings
Fig. 1 is the structure diagram of digital television receiving apparatus in the prior art;
Fig. 2 is the TV programme embodiment of the television system of retrieval automatically that carries out of the present invention;
Fig. 3 is process that querying condition generates automatically in the method for the invention;
Fig. 4 carries out the process that program is judged and retrieved for utilizing program inquiry condition storehouse in the method for the invention;
The description that Fig. 5 (a) and Fig. 5 (b) work on the dual vision device for the method for the invention;
Fig. 6 is a TV programme automated retrieval device structure diagram of the present invention;
The signal table that Fig. 7 shows on screen for program search result among the present invention;
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
As shown in Figure 1, be the structure diagram of digital television receiving apparatus in the prior art; Digital television receiving apparatus mainly contains three kinds at present:
1, terrestrial wireless transmitting digital TV (Terretrial), the terrestrial wireless transmitting digital TV is mainly by the antenna received television signal, finish after tuning, modulation handles, TV signal is decompressed, what Digital Television was passed through substantially at present is the MPEG-2 international standard of the formulation of IEEE, decoded data are admitted in the multimedia process chip of audio/video processing section, carry out such as processing such as color processing, noise removing, image sharpenings, carry out picture then and show and sound playing;
2, wire transmission Digital Television (Cable), the wire transmission Digital Television is mainly by the wire cable received television signal, existing Channel Transmission standard mostly is DVB-C, it is the same with the terrestrial wireless transmitting digital TV after signal is carried out the DVB-C demodulation, decode by Moving Picture Experts Group-2, and after the multimedia process chip is handled, carry out picture demonstration and sound playing; The wire transmission Digital Television generally adds television set by set-top box and realizes, wherein the CPU that comprises of set-top box can carry out CA and encryption and decryption is handled to TV signal, simultaneously, the user can carry out data upload by Docsis agreement or Cable modem, realizes bidirectional transfer of information and interaction capabilities;
3, satellite transmits Digital Television (Satellite), the existing Channel Transmission standard of satellite transmits Digital Television mostly is DVB-S, it is the same with above-mentioned two kinds of Digital Television after the satellite TV signal that receives is carried out the DVB-S demodulation, by Moving Picture Experts Group-2 TV data is decoded, decoded audio-visual data is carried out picture and is shown and sound playing after the multimedia process chip is handled.
By said structure as can be known, more than three kinds of digital television apparatus from be decoded to the process that displays the play, conditions needed is identical, and the method and apparatus that the present invention will narrate is realized between this process just, that is to say that the present invention will be suitable for the digital television receiving apparatus of above-mentioned three kinds of modes.
As shown in Figure 2, be the TV programme embodiment of the television system of retrieval automatically that carries out of the present invention.Comprise: to the decoding device 1 that content of TV program is decoded, show and play the broadcast part 3 of content of TV program, include the audio/video processing section in the broadcast part 3; Between described decoding device 1 and broadcast part 3, comprise a TV programme automated retrieval device 2, this TV programme automated retrieval device 2 receives through decoding device 1 decoded Media Stream and programme information, and can carry out retrieval analysis to the TV programme of not playing, and result for retrieval is recommended the user according to user's watch custom and potential hobby.
Wherein, TV programme automated retrieval device 2 comprises feature extraction module 201, characteristics analysis module 202, characteristic storage module 203, feature judge module 204 and channel memory module 205.Feature extraction module 201 is used for extracting characteristic information from the television content Media Stream that the television content Media Stream that the user is watching maybe needs to retrieve; Characteristics analysis module 202 is used for querying condition is analyzed and formed to the characteristic information that above-mentioned feature extraction module extracts; Characteristic storage module 203 is used to store above-mentioned characteristics analysis module according to the formed querying condition of watching of television content Media Stream; Feature judge module 204 is used for the querying condition that above-mentioned characteristics analysis module is stored according to the formed querying condition of watching of television content Media Stream and the above-mentioned characteristic storage module judgement of comparing is seen if there is identical TV programme; Channel memory module 205 is used to store identical programme channel and recommends to the user.
The method according to this invention has comprised the process of setting up and the actual retrieval process in TV programme querying condition storehouse.
As shown in Figure 3, be process that querying condition generates automatically in the method for the invention.When the user watches the TV programme of liking, TV programme automated retrieval device 2 begins to receive the television content that the user is watching, some programs feature information of Automatic Extraction therefrom, the programs feature information of described extraction is the frequent characteristics of image that occurs in the content, at least a in sound characteristic or the character features, for example, the user is watching when being soccer programs, feature extraction module 201 may extract the characteristic information that some these programs comprise from program, lawn as sheet, circular football, the camber line that football hovers to draw, " shooting " " midfield " " rear guard " " forward " " goalkeeper " in commentator's language, the score that shows on the screen, the sportsman who runs, even the number on sportsman's clothes etc., characteristics analysis module 202 can be carried out analysis integrated to these characteristic informations, and select wherein representational feature to make up, then with combinations thereof as being stored in characteristic storage module 203 with the corresponding querying condition of present program category.
Moreover, when the user watches weather forecast, the peculiar word of the distinctive cloud atlas of program, map, temperature symbol, various weather that the weatherman forecast, and the programme information in the electronic program list etc., all may be by feature extraction module 201, characteristics analysis module 202 is analyzed the back and is formed new program inquiry condition, and is stored.
In user's repeatedly program viewing, repeatedly carry out above-mentioned step process, then behind user's process program viewing of certain hour, TV programme automated retrieval device 2 just can form the potential programs of interest querying condition of a user storehouse according to the different TV programme that the user watches, in order to inquiry and retrieval afterwards; And this program inquiry condition storehouse is watched new TV programme and is constantly carried out Dynamic Maintenance and modification with the user.
The querying condition of above-mentioned storage can be but be not limited to fixed combination, the fixed combination between each sound characteristic, the fixed combination between each character features between each characteristics of image in actual applications, or the fixed combination between the characteristics of image, sound characteristic, character features, perhaps Cun Chu querying condition can be the programs feature that occurs in the electronic program guides (EPGs) and the fixed combination between image, sound or the character features.
As shown in Figure 4, for utilizing program inquiry condition storehouse to carry out the process that program is judged and retrieved in the method for the invention; When the user when watching other programs, TV programme automated retrieval device 2 receives another channel program that the user is not watching, some programs feature information of Automatic Extraction therefrom, analyze the programs feature information that is extracted and be combined into a querying condition, feature judge module 204 sees if there is the judgement of comparing of the characteristic information in the program inquiry condition storehouse of storage in the querying condition of above-mentioned formation and the characteristic storage module 203 and querying condition identical; If have and coincide or approximate search condition exists, judge that then this program may like the program watched for the user, channel memory module 205 is stored these programme channels and is recommended to the user then.
In the process that the method for the invention realizes, can carry out some processing to formed querying condition, for example querying condition some are identical or that similar feature is formed merges, and querying condition carried out importance degree statistics or add up, illustrate, when the user watches similar program for several times, TV programme automated retrieval device 2 may repeatedly form identical or similar querying condition, at this moment, these conditions can be merged into one, improve the importance degree of this search condition simultaneously, illustrate that the user may be better than the other types program to the degree of liking of such program; Also can watch the time span of the program that meets a certain querying condition correspondingly to improve the importance degree of user according to the user to the preference of the TV programme that meets this querying condition.Perhaps, when the user misses potter this type of program, also can carry out the affirmation of importance degree to this program by man-machine interface such as remote controller etc., then the querying condition that meets with such program is unnecessary through repeatedly watching the raising of the importance degree that can obtain repeatedly to watch the same effect, as shown in Figure 6.
Moreover, when the user only to the present interested words of contents fragment of watching in the program, also such means can be set: the contents fragment of watching at present by manual confirmation is interested, then only this contents fragment is analyzed the extraction feature, 5 minutes content before and after for example confirming is so that following inquiry is more accurate; For the advertisement that prevents from often to occur by mistake be included into the search condition storehouse, the means of getting rid of can be set automatic or manually, wherein Chinese patent application CN02822029.3 is recorded advertisement and the part means got rid of are illustrated.
Further, in the method for the invention or device, the means that start a plurality of retrieval process simultaneously are set, promptly simultaneously a plurality of program channels are carried out feature extraction and comparison simultaneously,, also can realize fully to accelerate retrieval rate.
In addition, in device of the present invention, can remain with the direct channel that each modules such as not needing above-mentioned extraction, analysis, storage is carried out work in the TV programme automated retrieval device 2, be used to guarantee that TV programme Media Stream non-processor passes through, can directly carry out the transmission of data flow by this passage between decoding device 1 and the broadcast part 3, that is, the user can select control whether to carry out program search, when selecting not carry out program search, this function is closed and is in off position.
Further, described method or device are applicable to single-image TV or PIP.
With the picture-in-picture multi-frame TV is example, it includes a key frame and little picture, the Media Stream that television equipment receives is sent into two pictures respectively and is shown, shown in accompanying drawing 5 (a) and Fig. 5 (b), so, when realizing this method, but the program that the key frame explicit user is being watched, little picture can be used to show the program channel that the user that inquired by the present invention likes, the user watches when having program now, device of the present invention watches the formed program inquiry condition of custom storehouse to begin the content of other channel programs is inquired about and retrieved according to the user, when retrieving the program channel needs that meet and recommend, the little display frame that perhaps will recommend channel to switch to television system is used for showing; Perhaps at random or loop play, the user can browse selection to a plurality of programs that search is finished on little picture; Perhaps on the screen of little picture, show channel designation and the feature description that has searched, a signal table that on screen, shows for the program search result as shown in Figure 7, channel * * is the sequence number of channel, feature description is the description of this channel program content feature, these feature descriptions can be some contents in the electronic program guides, or the content of some other definition.
Further, how many a plurality of programs of finishing of search also can according to itself and sorting in tabulation that querying condition or characteristic information coincide, and dynamically upgrade the results list; Perhaps, will with characteristic information in the program inquiry condition storehouse or search condition coincide to program channel on little picture, play, simultaneously, when the more program of characteristic information that find to exist than the TV programme of playing on the little picture, then the more program of handoff features information is play to little picture.
Certainly, the method for the invention and device also can be used on the single-image television equipment.We can be arranged on the method for the invention and device is to user's means program commending in inquiry with after retrieving the program that the user likes: will recommend channel to switch to the main display frame of television system; Perhaps, show that on key frame some informations that search program are to remind the user; Perhaps, at least, before the channel that key frame is set to like, user's channel information of can having an opportunity to check; Further, we can also a single-row special use idle channels be the search indicated channel, be used to show the TV programme that is searched, initiatively go to browse result for retrieval prompting or user this channel so just can not influence the user and normally watch present TV programme to confirm result for retrieval when the user sees every a period of time.
The method of the invention and device can be used to such as in digital television apparatus such as Digital Television, set-top box or the system; in the device that also can be used to carry out the Digital Television reception and play applicable to other; applicable to the single-image device; also applicable to many pictures device; should be understood that; the above only is a preferred implementation of the present invention; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention; can also make some improvement and variation, these improvement and variation also should be considered as protection scope of the present invention.
Claims (29)
1, the method for building up in a kind of TV programme querying condition storehouse, its characteristics are, comprising:
Receive television content, Automatic Extraction programs feature information from the television content that the user is watching, the characteristic information that each program extracted comprehensively is a querying condition;
Repeatedly, from the different TV programme that the user watches, extract corresponding programs feature information, form querying condition and be stored as the potential programs of interest querying condition of user storehouse;
Program inquiry condition storehouse is watched new TV programme and is constantly carried out Dynamic Maintenance and modification with the user.
2, method according to claim 1 is characterized in that, the programs feature information of described extraction is at least a in frequent characteristics of image, sound characteristic or the character features that occurs in the content.
3, method according to claim 1 is characterized in that, the programs feature information of described extraction is the programs feature that occurs in the electronic program guides (EPGs).
4, method according to claim 1, it is characterized in that, the querying condition of described storage can be but be not limited to fixed combination, the fixed combination between each sound characteristic, the fixed combination between each character features between each characteristics of image, or the fixed combination between the characteristics of image, sound characteristic, character features.
5, method according to claim 1 is characterized in that, the querying condition of described storage can be the programs feature of appearance in the electronic program guides (EPGs) and the fixed combination between image, sound or the character features.
6, method according to claim 1 is characterized in that, the user can initiatively participate in the extraction process to programs feature.
7, method according to claim 1 is characterized in that, comprises the step that querying condition is handled in the described method.
8, method according to claim 7 is characterized in that, described treatment step is meant querying condition identical or that similar feature is formed is merged.
9, method according to claim 1 is characterized in that, comprises the step that querying condition is carried out the importance degree statistics or adds up in the described method.
10, method according to claim 9, it is characterized in that described importance degree statistics or add up is meant according to the merged number of times of querying condition identical or that similar feature is formed and correspondingly improves the importance degree of user to the preference of the TV programme that meets this querying condition.
11, method according to claim 9, it is characterized in that described importance degree statistics or accumulation step are meant according to the user watches the time span of the program that meets a certain querying condition correspondingly to improve the importance degree of user to the preference of the TV programme that meets this querying condition.
12, method according to claim 9, it is characterized in that described importance degree statistics or accumulation step are meant according to the user watches the number of times of the program that meets a certain querying condition correspondingly to improve the importance degree of user to the preference of the TV programme that meets this querying condition.
13, method according to claim 1, it is characterized in that, when if the user misses potter this type of program, can carry out the affirmation of importance degree to this program by man-machine interface, then the querying condition that meets with such program is unnecessary through repeatedly watching the raising that can obtain importance degree.
14, method according to claim 1 is characterized in that, but the contents fragment that user's manual confirmation is watched at present is interested, then only this contents fragment is analyzed the extraction feature, so that following inquiry is more accurate.
15, method according to claim 1 is characterized in that, often the advertising message feature that occurs can be got rid of automatic or manually, produces to eliminate wrong search condition.
16, a kind of TV programme automatic searching method, its characteristics are, comprising:
According to the content of the TV programme of watching before the user, construct a querying condition storehouse automatically;
From the present TV programme that receives, extract the retrieval of comparing of characteristic information and above-mentioned querying condition storehouse;
If with wherein the condition then recommended user of giving of this program that matches.
17, method according to claim 16 is characterized in that, can start a plurality of retrieval process simultaneously, promptly simultaneously a plurality of program channels is carried out feature extraction and comparison simultaneously, to accelerate retrieval rate.
18, a kind of TV programme automated retrieval device, its characteristics are, comprising:
A feature extraction module is used for extracting characteristic information from the television content Media Stream that the television content Media Stream that the user is watching maybe needs to retrieve;
A characteristics analysis module is used for querying condition is analyzed and formed to the characteristic information that above-mentioned feature extraction module extracts;
A characteristic storage module is used to store above-mentioned characteristics analysis module according to the formed querying condition of watching of television content Media Stream;
A feature judge module is used for the querying condition that above-mentioned characteristics analysis module is stored according to the formed querying condition of watching of television content Media Stream and the above-mentioned characteristic storage module judgement of comparing is seen if there is identical TV programme;
A channel memory module, the programme channel that storage coincide is to recommend to the user.
19, device according to claim 18 is characterized in that, remaining with in the described device does not need above-mentioned each module to carry out the direct channel of work, is used to guarantee that TV programme Media Stream non-processor passes through.
20, a kind of television system that comprises the described TV programme automated retrieval device of claim 18 comprises: the decoded portion that content of TV program is decoded, and the broadcast part that shows and play content of TV program, its characteristics be,
Also comprise a TV programme automated retrieval device in described decoded portion with between playing partly, this TV programme automated retrieval device carries out retrieval analysis according to user's watch custom and potential hobby to the TV programme of not playing, and result for retrieval is recommended the user.
21, device according to claim 20 is characterized in that, can directly carry out the transmission of data flow by transparent channel between described decoded portion and the broadcast part, that is, the user can select control whether to carry out program search.
22, device according to claim 20 is characterized in that, described system is applicable to single-image TV or PIP.
23, device according to claim 20 is characterized in that, describedly gives user's means for will recommend channel to switch to the main display frame of television system program commending.
24, device according to claim 23 is characterized in that, before the channel that key frame is set to like, the user has an opportunity to check channel information.
25, device according to claim 20 is characterized in that, describedly gives user's means for will recommend channel to switch to the little display frame of television system program commending.
26, device according to claim 20 is characterized in that, can show channel designation and the feature description that has searched on screen.
27, device according to claim 20 is characterized in that, can a single-row dedicated channel be personal channel, is used to show the TV programme that is searched.
28, device according to claim 20 is characterized in that, a plurality of programs of finishing of search can be on little picture at random or loop play, the user can browse selection.
29, device according to claim 20, it is characterized in that, how many a plurality of programs of finishing of search also can according to itself and querying condition or identical the sorting of characteristic information, for example, when the more program of characteristic information found than the TV programme of playing on the little picture, then the more program of handoff features information is play to little picture.
Priority Applications (1)
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