CN102075714A - Television channel selecting and switching method - Google Patents
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Abstract
The invention relates to a television channel selecting and switching method. The television channel selecting and switching method comprises two steps of identifying and storing a channel and invoking the channel. The step of identifying and storing the channel particularly comprises the following steps of: 1A, selecting one channel and acquiring a station logo image according to display picture information; 1B, establishing one-to-one correspondence between the station logo image and the channel and storing the one-to-one correspondence into a memory of a television set; and 1C, converting a corresponding list of the station logo image and the channel into displayable image information. The invoking step particularly comprises the following steps of: 2A, displaying the image information of the corresponding list on a television screen; 2B, selecting the station logo image of the channel which a user wants to watch; 2C, searching the selected station logo image in the memory of the television set; and 2D, switching the television to the channel corresponding to the selected station logo image and playing a television program of the channel. By the television channel selecting and switching method, the station logo image of a television station can be displayed on the television screen conveniently and intuitively; the user can switch the channels conveniently by selecting the station logo images; and great convenience is brought to the user.
Description
Technical field
The present invention discloses a kind of application process of television set, and particularly a kind of television channel is selected changing method.
Background technology
TV becomes amusement and recreation instrument commonly used in people's daily life already, and almost every household all can have one or several.Because the quantity of TV station is more and more, television set in use, how correct, accurate in locating oneself want TV station and the TV programme seen, the selection of TV station is a problem of puzzlement TV user always, up to the present, all fail to address this problem well always.Some people has proposed some solutions now, but, all there is certain drawback in these methods, mainly contain following three kinds: one,, the corresponding relation of channel and TV station is noted, used during for channel selection by user oneself to pasting a record sheet on the remote controller, this method is cumbersome, if run into have the people again channel selection or the change channel do not have record again, then can cause confusion, especially true to old man and child; Two, to increasing display screen, memory device, character input keyboard and corresponding operating system on the remote controller, its effect is identical with first method, but is to have increased electronical record and display system, and its operation is with respect to first method inconvenience more; Three, the method for screenshotss after the employing channel selection, this method is not owing to handle image, and each display area that takies is very big, page turning constantly during selection, simultaneously the space of memory cell is also required very big, so during actual the use with by remote controller switching channels big difference too not.
Summary of the invention
At the above-mentioned TV of mentioning of the prior art program select and TV station's handoff procedure in, shortcoming such as complicated operation, inconvenience, the invention provides a kind of television channel and select changing method, it extracts station symbol according to the TV display image, and itself and channel are set up correspondence table, is stored in the memory, during use, station symbol is presented on the video screen, and searches corresponding channel, and show according to the station symbol of choosing.
The present invention solves the technical scheme that its technical problem adopts: a kind of television channel is selected changing method, and this method comprises channel identification storage and call two parts,
When described channel identification is stored, comprise the steps:
1A: configure in advance or by the extraction zone of one or several channels feature information in the display frame of picture routine analyzer automatic analysis and judgment;
1B: selected channel, and the frame or the some frame image informations that show by this channel obtain characteristic information;
1C: institute is obtained characteristic information classify, and set up one by one mapping table, and it is stored in the memory of television set with the channel of this channel and time of obtaining feature;
1D: with characteristic information, channel and obtain the characteristic time correspondence table and be converted to the image information that can show;
During described calling, comprise the steps:
2A:, determine the characteristic information of desire demonstration and the content of channel table according to user preferences;
2B: on video screen, show the channel of selection and the image information of characteristic information correspondence table;
2C: the channel that finds and choose the channels feature information correspondence of being sought;
2D: TV is switched to the channel of the image correspondence of choosing, and the TV programme of this channel is play.
The technical scheme that the present invention solves its technical problem employing further comprises:
When obtaining characteristic information among the described step 1B, each frame image data mode of comparing before and after adopting, keeping characteristics extracts video data does not change on the regional same display position video data as characteristic image.
When obtaining characteristic information among the described step 1B, the image cut in the feature extraction zone in the frame picture is got off, and preserved, with this characteristic image as this this feature of channel.
When obtaining characteristic information among the described step 1B, can determine what and the size in feature extraction zone according to user's hobby.Television set also can provide default setting to use for the user.
When obtaining characteristic information among the described step 1B, be that the user starts the dynamic image feature and obtains program and obtain, before described dynamic image feature is obtained program and is started by the time-shifting function prewired program on some particular point in times the image information of some positions come feature as this program.
Characteristic image is presented on the video screen with the OSD form among the described step 2B.
Described characteristic image carries out storing behind the convergent-divergent to it after determining.
When determining the feature extraction zone among the described step 1A, divide top left region, right regions, zone, lower-left, lower right area and central region etc.Feature extraction program is extracted the part that does not change in a period of time respectively and is obtained upper left feature, upper right feature, lower-left feature, bottom right feature and middle part feature from these zones; Upper left feature identification is the station symbol image, and the middle part feature identification is a title.
Also include step 1B ' behind the described step 1B, step 1B ' preserves for the content in the image that utilizes the part that image processing program will not change transfers literal to.
Except forming the corresponding relation between station symbol image and the channel, also form the mapping table of other characteristic image-channel-between the time among the described step 1C.
When described image processing program carries out literal identification, except adopting common literal identification, also be provided with the station symbol recognizer, the station symbol recognizer can directly transfer station symbol to corresponding literal according to the station symbol figure.
Described method comprises that also channel and/or viewing time that the user is often watched carry out statistical disposition, will often see channel when showing, ordering is placed on the front.
Also contain the signature search part in the described method, signature search partly is used to search for the program with the feature of being preserved, the signature search program can be monitored retrieval to the television content of desiring to watch, when retrieve once more with television content that feature conforms to after, can set by the user and remind or other operations, the user can select to avoid or watch this content.
Also be provided with backstage full feature extraction part of all the period of time in the described method, this part can be moved under the state that shows dormancy, full feature extraction part is carried out a feature extraction every setting-up time to all channels, thereby obtain comprehensive each TV station's TV show features and time relationship correspondence table, according to this table, start the characteristic key program, select one of them or several features, can find all related with it broadcast information.
The invention has the beneficial effects as follows: can make things convenient for, intuitively TV station's station symbol image is presented on the video screen by the present invention, the user can carry out channel and switch, to bringing great convenience property of use easily by selecting the station symbol image.To not remembeing to desire to see the user of program place TV station, the demonstration of other features (as: bottom right feature) relation table that also can be by channel and program is searched.
The present invention will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is a system flow chart of the present invention.
Fig. 2 is the embodiment of the invention one a video screen displayed map.
Fig. 3 is the embodiment of the invention two video screen displayed map.
Fig. 4 is the embodiment of the invention four video screen displayed map.
Fig. 5 is the schematic diagram in feature extraction zone in the embodiment of the invention four.
Embodiment
Present embodiment is the preferred embodiment for the present invention, and other all its principles are identical with present embodiment or approximate with basic structure, all within protection range of the present invention.
The present invention is that a kind of television channel is selected changing method, and two parts are stored and called to core concept of the present invention for comprising channel identification,
When one, channel identification is stored, comprise the steps:
1A: the extraction zone that configures one or several channels feature information in the display frame in advance;
1B: selected channel, and the frame or the some frame image informations that show according to this channel obtain characteristic informations such as station symbol image, in the present embodiment, when obtaining characteristic information among the step 1B, be that the user starts the dynamic image feature and obtains program and obtain, before described dynamic image feature is obtained program and is started by time shift (being time shift) function prewired program on some particular point in times the image information of some positions come feature as this program;
1C: institute is obtained characteristic information, feature acquisition time etc. such as station symbol image and classify, and set up one by one corresponding relation, form the channel content table, and it is stored in the memory of television set with the channel of this channel;
1D: the channel content table is converted to the image information that can show;
When two, calling, comprise the steps:
2A: according to user preferences, configure in advance and desire the channel displayed content, as: select channel and station symbol information;
2B: the image information that on video screen, shows the channel content table of selecting;
2C: find and choose the channel of wanting TV station's station symbol correspondence of watching;
2D: TV is switched to the channel of the station symbol image correspondence of choosing, and the TV programme of this channel is play.
During concrete operations, the present invention can be divided into following several embodiment.
Embodiment one: please referring to accompanying drawing 2, in the present embodiment, when each search or switching TV channel, external TV signal to current access, after the image processing program processing, obtain the station symbol image, set up the correspondence table of a station symbol image and corresponding channel, and this table is stored in the memory of television set.In the present embodiment, the mode that adopts when obtaining the station symbol image is: each frame image data mode of comparing before and after adopting, the multiframe data that i.e. contrast shows continuously, usually can be chosen for the 5-10 frame, concrete quantity can also be decided according to actual conditions, and the video data that video data on the same display position in each frame is not changed is identified as station symbol, in order to reduce operand and to consider that the present invention only need extract the station symbol image, in the present embodiment, only upper left station symbol viewing area is discerned.In the present embodiment, after the station symbol image recognition come out, the pure color data of filling black data or other colors in the video data of station symbol image generated new station symbol image as a setting.Set up corresponding relation with the new station symbol image and the channel that generate, or be called correspondence table, and correspondence table is deposited in the memory of television set.
After all channels are all handled, can set up the correspondence table between complete station symbol image and the corresponding channel.When channel selection, by the button set on the remote controller or the selection key of television set, access station symbol image and channel correspondence table, form display station that promptly can the OSD menu on the video screen picture of marking on a map, the user selects the station symbol of the TV station of desiring to see for use by remote controller or TV button moving cursor, presses acknowledgement key then, television set can be searched corresponding channel according to the station symbol image in television set, play.The user also can press the channel broadcast program of station symbol correspondence.
Embodiment two: present embodiment and embodiment one are close substantially, and please referring to accompanying drawing 3, in the present embodiment, the station symbol image is stored and when showing, the station symbol image carried out certain dwindling, and so just can demonstrate more station symbol on a screen.If a picture is not enough, can be placed on the other page or leaf.The user just can check the station symbol channel table by the mode of page turning like this, finally makes the selection of oneself.
Embodiment three: present embodiment is similar to embodiment one, and present embodiment is with respect to embodiment one, and present embodiment is a kind of simple and easy embodiment, perhaps be called the simplest embodiment of the present invention, in the present embodiment, directly the image cut with the station symbol viewing area in certain frame gets off, the station symbol image is left intact, do not do multiframe relatively yet, perhaps only do a lower compression and handle, promptly preserve, like this, the meeting speed up processing still, can increase the memory space of station symbol image.
Embodiment four: in the present embodiment, similar with embodiment one, please, on television image, set a plurality of feature extractions zone in advance, as being divided into top left region, right regions, zone, lower-left, lower right area and central region (zone shown in the frame of broken lines in the accompanying drawing 6) referring to accompanying drawing 6.Feature extraction program is extracted the part that does not change respectively and is obtained upper left feature, upper right feature, lower-left feature, bottom right feature and middle part feature from these zones; Upper left feature identification is the station symbol image.When extracting characteristics of image, image processing program repeatedly extracts TV display frame, the part of selecting not change in the feature extraction zone is handled preservation, forms the relation table of " channel-upper left feature-upper right feature-lower-left feature-bottom right feature-middle part feature-acquisition time " at last.When calling, what the user can be according to oneself likes that calling one or more features inquires about, selects channel.As accompanying drawing 4, the feature extraction time of selecting to represent the middle part feature of title and representing reproduction time.
Also have additional backstage feature extraction program part in the present embodiment, during operation, allow television set backstage start 24 hours, (can freely set every the regular hour, usually can be half an hour) all channels are carried out a feature extraction, so just can obtain comprehensive each TV station's TV show features and time relationship table.Call " programs feature-acquisition time " table of certain TV station, solve this TV station and what period to broadcast what program in regard to passable.
Embodiment five: present embodiment is actually the Another application example of embodiment four.In the present embodiment, be provided with search program, start this program, screen will show all key features, selects one of them or several features, and this search program can comprehensively be retrieved according to specific characteristic (as: title figure).As above, the user just can find all to play the television channel of this sheet.Again such as with broadcast time section retrieve, the user just can see this time period, the mark sheet of the program that each channel broadcasts.
Embodiment six: present embodiment is the improvement to embodiment four, embodiment five, in the present embodiment, has set up step 1B ' behind step 1B.Step 1B ' increases the literal recognizer in image processing program, and utilize the picture of literal recognizer characteristic image to convert corresponding literal to and store, so that its shared space is littler, demonstration more clear.And, can also in remote controller, increase inquiry and start function, start the polling routine in the television set, make the user want the content of watching according to inquiries such as the time of selecting, programs.In the present embodiment, the literal recognizer adopts picture of the prior art-text conversion recognizer.
Embodiment seven: present embodiment is the improvement to above-mentioned several embodiment, it is the same that present embodiment is similar to embodiment six, it also is to set up step 1B ' ' behind step 1B, in the present embodiment, step 1B ' ' increases the station symbol recognizer in image processing program, the station symbol recognizer can be directly changed into the station symbol image corresponding literal, the user just can find corresponding channel rapidly with the mode by the ordering of platform name when searching TV station like this, and the first letter of pinyin of perhaps direct corresponding channel designation of input or channel designation etc. is searched.Present embodiment can exist simultaneously with step 1 B ' of embodiment six.Station symbol recognizer in the present embodiment is for prestoring the correspondence table of station symbol image and television channel in television set, carry out when of the present invention, when the station symbol image is discerned, the station symbol image of identification and the station symbol image that prestores are compared, find the television channel that is complementary, and with channel name in the station symbol title is stored in the memory of television set.
Embodiment eight: present embodiment is the improvement execution mode to the foregoing description, in the present embodiment, also comprise a specific step, the channel that it can often be watched the user and watch the time span of a certain channel to add up, measurement period can artificially be set, when carrying out channel selection for a week, 10 days or first quarter moon etc., video screen can be placed on the front than long Channel icons with the channel of often watching or the time of watching, makes things convenient for the user to select to watch.
Embodiment nine: in the present embodiment, television set is provided with " inquiry is returned " and " inquiry is skipped " function.Implementation method is as follows, also contains feature extraction program and signature search program in the described image processing program, and the former is used for extracting and preserving programs feature, and the latter is used to search for the program with the feature of preserving.Before not starting, television set is in the mode of " first in first out ", and the image feature information that keeps the several ad-hoc locations on nearest several time point is in order to calling.
If select " inquiry is returned ", the user just can remove to browse other channels.The feature extraction program part starts on the backstage, behind this program start, the image information of several ad-hoc locations in the display frame on the time point of several settings before starting is preserved, and forms a channel-feature-time correspondence table.According to channel-feature-time correspondence table, utilizing the signature search program to begin the content in the television channel of desiring to watch is monitored retrieval with inquiry mode.
In the present embodiment, provide a kind of monitoring retrieval mode as follows: image information and the characteristic information of being deposited to the characteristic point place of picture are compared, if the characteristic information of putting with the very first time conforms to, then (can set as required) compares to the feature of second time point behind corresponding time of process or frame, if conform to then to carry out the aspect ratio of the 3rd time point more right, up to the aspect ratio of all time points to finishing.If conform to then point out the user to carry out next step operation; If be not inconsistent to some extent, it is right then to restart monitoring rate.When retrieval monitoring, when retrieve with television content that feature conforms to after, just automatically return to original channel.
In like manner, if what press is " inquiry is skipped ", then after monitoring individual features, then changes and jump to other channels.Also can remind or other operations by customer requirements.In a word, in this way, the user can select to avoid or watch some content.Can skip some advertisements such as the user, remind the user to watch when perhaps waiting certain TV series to start broadcasting or be directly switch to this channel.
Said method is applicable to does not have obvious constant mark, but has the program of certain repeatability.Much the every collection of TV play begins and can replay go up some camera lenses of assembling when restrainting.Just can use this monitoring search method in this case.If program has tangible sign, then can continue to adopt the feature extracting method among the embodiment of front to monitor retrieval.
Can make things convenient for, intuitively TV station's station symbol image is presented on the video screen by the present invention, the user can carry out channel and switch easily by selecting the station symbol image; Also can search, switch, to bringing great convenience property of use according to other features of program.
For sake of convenience, said channel is meant channel number on the TV among the present invention.
Claims (10)
1. a television channel is selected changing method, it is characterized in that: described method comprises channel identification storage and calls two parts,
When described channel identification is stored, comprise the steps:
1A: the extraction zone that configures or determine automatically by analysis one or several channels feature information in the display frame in advance by the picture analysis software;
1B: selected channel, and the frame or the some frame image informations that show by this channel obtain characteristic information;
1C: institute is obtained characteristic information classify, and set up one by one mapping table, and it is stored in the memory of television set with the time that the channel and the feature of this channel are obtained;
1D: the time correspondence table that characteristic information, channel and feature are obtained is converted to the image information that can show;
During described calling, comprise the steps:
2A:, determine the characteristic information of desire demonstration and the content of channel table according to user preferences;
2B: on video screen, show the channel of selection and the image information of characteristic information correspondence table;
2C: the channel that finds and choose the channels feature information correspondence of being sought;
2D: TV is switched to the channel of the image correspondence of choosing, and the TV programme of this channel is play.
2. television channel according to claim 1 is selected changing method, it is characterized in that: when obtaining characteristic information among the described step 1B, each frame image data mode of comparing before and after adopting, keeping characteristics extracts video data does not change on the regional same display position video data as characteristic image. and television channel according to claim 1 is selected changing method, it is characterized in that: when obtaining characteristic information among the described step 1B, image cut in the feature extraction zone in the one frame picture is got off, and preserved, with this characteristic image as this this feature of channel.
3. television channel according to claim 1 is selected changing method, it is characterized in that: when obtaining characteristic information among the described step 1B, be that the user starts the dynamic image feature and obtains program and obtain, described dynamic image feature is obtained program starts some positions on preceding some particular point in times by the time-shifting function prewired program the next feature as this program of image information. and television channel according to claim 1 is selected changing method, it is characterized in that: when obtaining characteristic information among the described step 1B, can determine what and the size in feature extraction zone according to user's hobby.
4. television channel according to claim 1 is selected changing method, and it is characterized in that: characteristic image is presented on the video screen with the OSD form among the described step 2B.
5. select changing method according to claim 2 or 3 described television channels, it is characterized in that: described characteristic image carries out storing behind the convergent-divergent to it after determining.
6. television channel according to claim 1 is selected changing method, it is characterized in that: when determining the feature extraction zone among the described step 1A, divide top left region, right regions, the zone, lower-left, lower right area and central region, feature extraction program is extracted the part that does not change in a period of time respectively and is obtained upper left feature from these zones, upper right feature, the lower-left feature, bottom right feature and middle part feature. television channel according to claim 1 is selected changing method, it is characterized in that: also include step 1B ' behind the described step 1B, step 1B ' preserves for the content in the image that utilizes the part that image processing program will not change transfers literal to.
7. television channel according to claim 2 is selected changing method, it is characterized in that: except forming the corresponding relation between station symbol image and the channel, also form the mapping table of a characteristic image-channel-between program-time among the described step 1C.
8. television channel according to claim 9 is selected changing method, it is characterized in that: when described image processing program carries out literal identification, except adopting common literal identification, also be provided with the station symbol recognizer, the station symbol recognizer can directly transfer station symbol to corresponding literal according to the station symbol figure.
9. television channel according to claim 1 is selected changing method, and it is characterized in that: described method comprises that also channel and/or viewing time that the user is often watched carry out statistical disposition, will often see channel when showing, ordering is placed on the front.
10. television channel according to claim 1 is selected changing method, it is characterized in that: also contain the signature search part in the described method, signature search partly is used to search for the program with the feature of being preserved, the signature search program can be monitored retrieval to the television content of desiring to watch, when retrieve with television content that feature conforms to after, can set by the user and remind or other operations, the user can select to avoid or watch this content. and television channel according to claim 1 is selected changing method, it is characterized in that: also be provided with backstage full feature extraction part of all the period of time in the described method, this part can be moved under the state that shows dormancy, full feature extraction part is carried out a feature extraction every setting-up time to all channels, thereby obtain comprehensive each TV station's TV show features and time relationship correspondence table, according to this table, start the characteristic key program, select one of them or several features, can find all related with it broadcast information.
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