CN101980531A - Method for detecting video of mobile terminal and mobile terminal - Google Patents
Method for detecting video of mobile terminal and mobile terminal Download PDFInfo
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- CN101980531A CN101980531A CN2010105188362A CN201010518836A CN101980531A CN 101980531 A CN101980531 A CN 101980531A CN 2010105188362 A CN2010105188362 A CN 2010105188362A CN 201010518836 A CN201010518836 A CN 201010518836A CN 101980531 A CN101980531 A CN 101980531A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005070 sampling Methods 0.000 claims abstract description 47
- 238000001514 detection method Methods 0.000 claims description 23
- 230000008859 change Effects 0.000 claims description 13
- 230000000052 comparative effect Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
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Abstract
The invention discloses a method for detecting video of a mobile terminal and the mobile terminal. The method for detecting the video of the mobile terminal comprises the following steps of: performing regular sampling and screenshot on an identifier region of a video program played currently by the mobile terminal to acquire a current identifier image; comparing whether the current identifier image is consistent with a preset reference identifier image; and determining that the video program is changed if the current identifier image is not consistent with the preset reference identifier image. The method and the mobile terminal fulfill the aim of timely finding that the video program played by the mobile terminal is changed, reducing operation burden of a user and improving the use experience of the user.
Description
Technical field
The present invention relates to mobile TV CMMB (China Mobile MultimediaBroadcasting, China Mobile multimedia broadcasting TV) technical field, in particular to a kind of mobile terminal video detection method and portable terminal.
Background technology
Along with wireless communication technique, video and audio coding technology, and the fast development of large scale integrated circuit technology, the use of mobile terminal television service more and more widely, so-called mobile terminal television service is meant the service that comes TV reception by portable terminal.It has broken through the locality of traditional tv to the place, has very high portability, becomes the new business of radio and television and mobile industry, is with a wide range of applications and market.
Present portable terminal comprises channel-decoding and source coding two parts to the processing procedure of television broadcasting signal: portable terminal is by the code stream of TV RF tuner and television demodulator received tv broadcast signal, comprising electronic business guiding information and program source data etc.; It is multiplexing that the Motion Picture Experts Group's code stream (MPEG2TS) that obtains is carried out demodulation, parses audio stream and video flowing, program guide and authentication information, and deposit audio stream and video flowing in audio buffer and screen buffer respectively; The audio stream of audio buffer and the video flowing of screen buffer are decoded respectively; Deliver to player after the Voice ﹠ Video signal that obtains after the decoding carries out synchronously and play, player comprises display and loud speaker.
In actual use, owing to inserted advertisement etc. in normal TV programme, the program commercial time that has is long, and for the user, these advertisements are that he does not wish to watch.Especially can't satisfy under the prerequisite of long-time broadcast at battery electric quantity, the user may often be chosen in and play ad break manual-lock CMMB function in order to prolong the use duration of end cell, opens the CMMB function after waiting for a period of time again.But such way has increased user's operation burden on the one hand, causes the user often to miss the partial TV programs that need watch on the other hand, has reduced user's experience.There is not effective solution as yet in problem hereto at present.
Summary of the invention
Main purpose of the present invention is to provide a kind of mobile terminal video detection method and portable terminal, playing ad break manual-lock CMMB function to solve above-mentioned user at least, the increase user who opens the CMMB function again after waiting for a period of time and cause operates burden, reduces the problem of user's experience.
According to an aspect of the present invention, provide a kind of mobile terminal video detection method, having comprised: portable terminal carries out the timing sampling sectional drawing to the identified areas of the video frequency program of current broadcast, obtains current identification image; Whether more current identification image is consistent with predefined reference identification image; If inconsistent, determine that then video frequency program changes.
Further, after definite video frequency program changed, also comprise: portable terminal entered battery saving mode, the display screen of turning-off mobile terminal and loud speaker.
Further, after definite video frequency program changes, also comprise: portable terminal continue more current identification image and predefined reference identification image whether by inconsistent become consistent; If then carry out video frequency program and change prompting.
Further, the reference identification image comprises a plurality of.
Further, the reference identification image preestablishes in the following manner: the automatic sectional drawing zone square frame that provides by portable terminal, manually the identified areas of the video frequency program sectional drawing of sampling is set.
Further, the reference identification image preestablishes in the following manner: portable terminal detects the identified areas of video frequency program automatically, and to this identified areas sectional drawing of sampling, obtains the first reference identification image; At interval behind the setting-up time once more to this identified areas sectional drawing of sampling, obtain the second reference identification image; Judge that the first reference identification image is consistent with the second reference identification image; With the first reference identification image or the second reference identification image setting is the reference identification image.
Further, whether consistent step comprises for more current identification image and predefined reference identification image: whether the similarity of more current identification image and predefined reference identification image surpasses preset threshold, if then current identification image and reference identification image are inconsistent; If not, then current identification image is consistent with the reference identification image.
According to a further aspect in the invention, provide a kind of portable terminal, having comprised: sampling module, be used for the identified areas of the video frequency program of current broadcast is carried out the timing sampling sectional drawing, obtain current identification image; Comparison module, whether be used for more current identification image consistent with predefined reference identification image; Detection module is used for if the comparative result of comparison module is inconsistent, determines that then video frequency program changes.
Further, this portable terminal also comprises: energy-saving module is used to start portable terminal and enters battery saving mode, the display screen of turning-off mobile terminal and loud speaker.
Further, this portable terminal also comprises: prompting module, be used for after detection module determines that video frequency program changes, continue described current identification image and predefined reference identification image whether by inconsistent become consistent; If then carry out video frequency program and change prompting.
Further, the reference identification image comprises a plurality of.
Further, this portable terminal also comprises: first setting module, the automatic sectional drawing zone square frame that provides by portable terminal is provided, and manually, set the reference identification image to the identified areas of the video frequency program sectional drawing of sampling.
Further, this portable terminal also comprises: first acquisition module is used for detecting automatically the identified areas of video frequency program, and to this identified areas sectional drawing of sampling, obtains the first reference identification image; Second acquisition module is used at interval behind the setting-up time once more this identified areas sectional drawing of sampling is obtained the second reference identification image; Judge module is used to judge that the first reference identification image is consistent with the second reference identification image; Second setting module, being used for the first reference identification image or the second reference identification image setting is the reference identification image.
Further, comparison module comprises: the similarity comparison module, and whether the similarity that is used for more current identification image and predefined reference identification image surpasses preset threshold, if then current identification image and reference identification image are inconsistent; If not, then current identification image is consistent with the reference identification image.
By the present invention, employing is carried out the timing sampling sectional drawing to the identified areas of video frequency program, and the identification image that current sampling sectional drawing is obtained and the reference identification image of setting compare, and then judge whether video frequency program variation (as being changed to advertisement from " news hookup ") has taken place, solved in the prior art, the user is playing ad break manual-lock CMMB function, the increase user who opens the CMMB function again after waiting for a period of time and cause operates burden, reduce the problem of user's experience, and then the video frequency program that has reached timely discovery mobile terminal playing changes, alleviate the user and operate burden, promote the effect of user's experience.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of steps according to a kind of mobile terminal video detection method of the embodiment of the invention one;
Fig. 2 is the flow chart of steps according to a kind of mobile terminal video detection method of the embodiment of the invention two;
Fig. 3 is the flow chart of steps according to a kind of mobile terminal video detection method of the embodiment of the invention three;
Fig. 4 is the flow chart of steps according to a kind of mobile terminal video detection method of the embodiment of the invention four;
Fig. 5 is the structured flowchart according to a kind of portable terminal of the embodiment of the invention five;
Fig. 6 is the structural representation according to a kind of portable terminal of the embodiment of the invention six.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Because present most TV programme all can have its corresponding icon, comprise TV play, film, news program, competitive sports program, talk show, variety show and other programs, show icon can be a pattern, also can be literal.It can allow spectators conveniently promptly recognize current programme information, and the size of this icon is very little comparatively speaking, do not influence spectators' visual effect, therefore most programs all have such icon, be presented at a certain fixed position such as the lower right corner and the upper right corner of picture generally speaking, news hookup program for example can be fixed the icon of " news hookup " on the right on the inferior horn, this icon includes printed words such as " news hookups ", and the distinctive icon shape of news hookup.Among the application, this sign is called icon, this zone that is identified in the video frequency program is called the identified areas of video frequency program.During broadcast program, this sign can not change, and At All Other Times as the time spot, this icon can not exist or can change.
With reference to Fig. 1, show flow chart of steps according to a kind of mobile terminal video detection method of the embodiment of the invention one, comprising:
Step S102: portable terminal carries out the timing sampling sectional drawing to the identified areas of the video frequency program of current broadcast, obtains current identification image;
Portable terminal is when displaying video programs, can be regularly to the identified areas of the in progress video frequency program sectional drawing of sampling, as identified areas in progress news hookup program, the zone that promptly shows " news hookup " printed words sectional drawing of sampling, obtain current identification image, to obtain current in progress programme information.Time regularly can be provided with according to the actual requirements flexibly by those skilled in the art.
Step S104: whether the more current identification image of portable terminal is consistent with predefined reference identification image;
Predefined reference identification image is generally the image of the sign (icon) of in progress user's interest video frequency program, can when starting video frequency program, the user set by sectional drawing, also can preestablish by the user, set as sectional drawing when certain plays news hookup, and in broadcast thereafter, use always, like this, if the user is only interested in the news hookup program, can be this program then by comparing to determine what whether play, if, then watch, otherwise, can carry out other operation, as enter the electricity saving of mobile terminal pattern.
Step S106: portable terminal determines that then video frequency program changes if more current identification image and reference identification image are inconsistent.
When current identification image and reference identification image are inconsistent, illustrate that then change has taken place video frequency program, as becoming advertisement from news hookup.
In the correlation technique, because of portable terminal can't find in time that change has taken place the video frequency program of playing, cause the user in order to watch programs of interest (as TV play) continuously, and have to watch some uninterested program (as advertisement), and then cause the extra power consumption of end cell; If terminal power deficiency or user want to save the terminal power consumption, at this moment, display screen, loud speaker etc. that the user is many can to take the manual-lock portable terminal have increased the user thus to operate burden, and have caused user's experience lower to reach the power saving purpose.
By present embodiment, portable terminal can in time be found the replacing of video frequency program, and then can (1) starts portable terminal automatically and enter battery saving mode, reduces end cell power consumption; Perhaps, (2) wish to watch some program (as TV series) continuously as if the user, then portable terminal can enter earlier battery saving mode automatically at ad break, afterwards, when program begins to continue to play, then terminal can adopt the mode (as by jingle bell, information indicating, keyboard back light prompting etc.) of prompting to remind the user, that is: when program when serial becomes advertisement, current identification image of terminal judges and reference identification image are inconsistent, think to enter ad break, terminal enters battery saving mode automatically; And begin to play next when collection when this serial, and promptly program becomes serial from advertisement, and the current identification image of terminal judges and reference identification image become consistently by inconsistent, can adopt this moment the mode (as jingle bell etc.) of prompting to remind user's program to continue broadcast.By aforesaid operations, effectively alleviated user's operation burden, promoted user's experience.
With reference to Fig. 2, show flow chart of steps according to a kind of mobile terminal video detection method of the embodiment of the invention two, present embodiment is replaced by example from news hookup to advertisement with video frequency program, comprising:
Step S202: open portable terminal CMMB function.
Step S204: portable terminal automatic power save function is set.
The battery saving mode of portable terminal promptly is set, comprises the condition that enters battery saving mode of setting, and set turning-off mobile terminal display screen and loud speaker etc.
Step S206: the reference identification image is set.
After portable terminal automatic power save function is set, automatic sectional drawing zone square frame is ejected in portable terminal display frame, the user can move and adjust the position and the size of this square frame by keyboard operation or touch screen operation etc., carry out screenshot capture, and current sectional drawing is saved to central processing unit as the reference identification image.
Usually, the regional square frame of automatic sectional drawing is set to the identified areas less than video frequency program.
In the present embodiment, can promptly carry out sectional drawing in " news hookup " printed words zone, be made as the reference identification image the identified areas of news hookup.
Step S208: portable terminal carries out the timing sampling sectional drawing to the video frequency program of current broadcast, obtains current identification image.
Portable terminal is according to the time interval of setting, and to the picture in zone identical with the reference identification image in the display frame sectional drawing of sampling, obtains current identification image.Further, can also deposit the current identification image that obtains immediately in central processing unit.Wherein, the sampling sectional drawing time interval can be set according to the actual requirements flexibly by those skilled in the art.
In the present embodiment, behind several times timing samplings sectional drawing, when video frequency program becomes advertisement, to the current advertising programme sectional drawing of sampling.
Step S210: whether the more current identification image of portable terminal is consistent with the reference identification image, if inconsistent, execution in step S212; If consistent, execution in step S214.
More whether unanimity can be judged according to the similarity of current identification image and reference identification image, if similarity surpasses preset threshold, then is judged to be inconsistent.By reasonable setting threshold, can judge accurately and effectively whether image is consistent.Certainly, those skilled in the art also can adopt other existing image comparison method, and the present invention does not limit this.
In the present embodiment, whether the image of the advertising programme that portable terminal relatively intercepts is consistent with the identification image of the news hookup program of storing before.
Step S212: portable terminal determines that current identification image and reference identification image are inconsistent, enters battery saving mode, closes the backlight or loud speaker of LCD.
In the present embodiment, portable terminal determines that by the current identification image that obtains more immediately and before reference identification image identification image changes, and the judgement current video program is an advertising programme, enters battery saving mode according to the setting of step S204.
Step S214: portable terminal determines that current identification image is consistent with the reference identification image, the normal play video program.
Behind step S212 and step S214, portable terminal returns step S208, and the sectional drawing detection contrast of sampling circulates.
Present embodiment carries out discrimination ratio by the identification image to the sampling sectional drawing, judge portable terminal in progress be normal tv program or advertising programme, if advertising programme, then close the backlight even loud speaker of LCDs LCD, use too short problem to solve the CMMB end cell, and then reach the reduction power consumption of terminal, and prolong the CMMB terminal plays time, increase the actual purpose of watching the time of video frequency program of user.And, manually be provided with the sectional drawing zone comparatively speaking to system require low, and accuracy rate height.
With reference to Fig. 3, show flow chart of steps according to a kind of mobile terminal video detection method of the embodiment of the invention three, comprising:
Step S302: open portable terminal CMMB function.
Step S304: portable terminal automatic power save function is set.
Step S306: the reference identification image is set.
Particularly, portable terminal can use the auto Detection Software that presets to detect the identified areas of video frequency program automatically, and then carries out screenshot capture, obtains the first reference identification image.Then, the time that the interval is set, as 30S, carry out screenshot capture in same position and zone once more, obtain the second reference identification image, relatively whether two identification images are consistent, if consistent, think that then this video frequency program is the user's interest video frequency program, set wherein any one identification image as the reference identification image; If inconsistent, think that then the user has changed channel, perhaps replacing has taken place in video frequency program, then once more at interval behind the setting-up time sectional drawing relatively, until setting-up time at interval before and after the sectional drawing unanimity.
Need to prove that those skilled in the art also can be provided with according to actual needs and repeatedly sample sectional drawing relatively, the present invention does not limit this.
Step S308: portable terminal carries out the timing sampling sectional drawing to the video frequency program of current broadcast, obtains current identification image.
Portable terminal is according to the time interval of setting, and to the picture in zone identical with the reference identification image in the display frame sectional drawing of sampling, obtains current identification image.
Step S310: whether the more current identification image of portable terminal is consistent with the reference identification image, if inconsistent, execution in step S312; If consistent, execution in step S314.
Step S312: portable terminal determines that current identification image and reference identification image are inconsistent, and prompting user video program is changed.
Prompting can be adopted the jingle bell mode, or other causes the mode that the user notes.Also can be provided with the subsequent operation after the prompting simultaneously,, perhaps change other program and select, perhaps continue to watch selection or the like as entering the battery saving mode selection for providing.
Step S314: portable terminal determines that current identification image is consistent with the reference identification image, the normal play video program.
Behind step S312 and step S314, portable terminal returns step S308, and the sectional drawing detection contrast of sampling circulates.
Need to prove that if current identification image and reference identification image are become when consistent once more by inconsistent, then portable terminal can remind the user video program that variation has taken place once more, returns the video frequency program of reference identification image identification.
Present embodiment is introduced software and is detected the identified areas of judging video frequency program automatically, has reduced the user and has operated burden, has improved the user experience impression.
With reference to Fig. 4, show flow chart of steps according to a kind of mobile terminal video detection method of the embodiment of the invention four, may further comprise the steps:
Step S402: open portable terminal CMMB function.
Step S404: portable terminal automatic power save function is set.
Step S406: a plurality of reference identification images are set.
In the present embodiment, the reference identification image setting is a plurality of.
Step S408: portable terminal carries out the timing sampling sectional drawing to the video frequency program of current broadcast, obtains current identification image.
Portable terminal is according to the time interval of setting, and to the picture in zone identical with the reference identification image in the display frame sectional drawing of sampling, obtains current identification image.
Step S410: whether the more current identification image of portable terminal is consistent with the reference identification image, if inconsistent, execution in step S412; If consistent, the normal play program.
Particularly, whether the more current identification image of portable terminal is consistent with each reference identification image, if consistent with in the reference identification image any one, thinks that then current identification image is consistent with the reference identification image.
Step S412: portable terminal determines that current identification image and reference identification image are inconsistent, enters battery saving mode, closes the backlight or loud speaker of LCD.
Step S414: portable terminal continues on the backstage video frequency program of current broadcast is carried out the timing sampling sectional drawing, obtains current identification image, and whether with a plurality of reference identification images consistent, if consistent, then remind the user if continuing the relatively newer current identification image that obtains; If inconsistent, then do not process.
Prompting can be adopted the jingle bell mode, or other causes the mode that the user notes.
With reference to Fig. 5, show structured flowchart according to a kind of portable terminal of the embodiment of the invention five, comprising:
Sampling module 502 is used for the identified areas of the video frequency program of current broadcast is carried out the timing sampling sectional drawing, obtains current identification image; Comparison module 504, whether be used for more current identification image consistent with predefined reference identification image; Detection module 506 is used for if the comparative result of comparison module 504 is inconsistent, determines that then video frequency program changes.
Preferably, the portable terminal of present embodiment also comprises: energy-saving module 508 is used to start portable terminal and enters battery saving mode, the display screen of turning-off mobile terminal and loud speaker.And/or prompting module 510 is used for after detection module 506 determines that video frequency programs change, continue more current identification image and predefined reference identification image whether by inconsistent become consistent; If then carry out video frequency program and change prompting.
Preferably, the portable terminal of present embodiment also comprises: first setting module, the automatic sectional drawing zone square frame that provides by portable terminal is provided, and manually, set the reference identification image to the identified areas of the video frequency program sectional drawing of sampling.
Preferably, the portable terminal of present embodiment also comprises: first acquisition module is used for detecting automatically the identified areas of video frequency program, and to this identified areas sectional drawing of sampling, obtains the first reference identification image; Second acquisition module is used at interval behind the setting-up time once more this identified areas sectional drawing of sampling is obtained the second reference identification image; Judge module is used to judge that the first reference identification image is consistent with the second reference identification image; Second setting module, being used for the first reference identification image or the second reference identification image setting is the reference identification image.
Preferably, comparison module 504 comprises: the similarity comparison module, and whether the similarity that is used for more current identification image and predefined reference identification image surpasses preset threshold, if then current identification image and reference identification image are inconsistent; If not, then current identification image is consistent with the reference identification image.
Preferably, the reference identification image comprises a plurality of.
With reference to Fig. 6, show structural representation according to a kind of portable terminal of the embodiment of the invention six.
The portable terminal of present embodiment comprises: CMMB receiving system 602, central processing unit 604, display 606 and loud speaker 608.
Wherein,
CMMB receiving system 602 is used to receive the CMMB signal, and after carrying out the signal demodulation, delivers to central processing unit 604.
Central processing unit 604 is used to receive the signal that CMMB receiving system 602 sends, and carries out the decoding of video/audio, changes the form that is fit to display 606 and loud speaker 608 broadcasts respectively into.
Simultaneously, central processing unit 604 has from screenshot capture and carries out video frequency program and distinguish functions such as (as distinguishing advertisement), also comprise: sampling module 6042, be used for the identified areas of the video frequency program of current broadcast is carried out the timing sampling sectional drawing, obtain current identification image; Comparison module 6044, whether be used for more current identification image consistent with predefined reference identification image; Detection module 6046 is used for if the comparative result of comparison module 6044 is inconsistent, determines that then video frequency program changes.
Preferably, central processing unit 604 also comprises: energy-saving module 6048 is used to start portable terminal and enters battery saving mode, the display screen of turning-off mobile terminal and loud speaker.And/or the prompting module (not shown) is used for after detection module 6046 determines that video frequency programs change, continue more current identification image and predefined reference identification image whether by inconsistent become consistent; If then carry out video frequency program and change prompting.
Preferably, central processing unit 604 also comprises: first setting module, the automatic sectional drawing zone square frame that provides by portable terminal is provided, and manually, set the reference identification image to the identified areas of the video frequency program sectional drawing of sampling.
Preferably, central processing unit 604 also comprises: first acquisition module is used for detecting automatically the identified areas of video frequency program, and to this identified areas sectional drawing of sampling, obtains the first reference identification image; Second acquisition module is used at interval behind the setting-up time once more this identified areas sectional drawing of sampling is obtained the second reference identification image; Judge module is used to judge that the first reference identification image is consistent with the second reference identification image; Second setting module, being used for the first reference identification image or the second reference identification image setting is the reference identification image.
Preferably, comparison module 6044 comprises: the similarity comparison module, and whether the similarity that is used for more current identification image and predefined reference identification image surpasses preset threshold, if then current identification image and reference identification image are inconsistent; If not, then current identification image is consistent with the reference identification image.
Preferably, the reference identification image comprises a plurality of.
Display 606 is used to show the CMMB vision signal.
Loud speaker 608 is used for playing audio signal.
The portable terminal of present embodiment is applicable to the video frequency program with icon, and specification requirement is low, realizes easily.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, the time in those skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. a mobile terminal video detection method is characterized in that, comprising:
Portable terminal carries out the timing sampling sectional drawing to the identified areas of the video frequency program of current broadcast, obtains current identification image;
Whether more described current identification image is consistent with predefined reference identification image;
If inconsistent, determine that then described video frequency program changes.
2. method according to claim 1 is characterized in that, after definite described video frequency program changes, also comprises:
Described portable terminal enters battery saving mode, closes the display screen and the loud speaker of described portable terminal.
3. method according to claim 1 is characterized in that, after definite described video frequency program changes, also comprises:
Described portable terminal continue more described current identification image and predefined reference identification image whether by inconsistent become consistent;
If then carry out video frequency program and change prompting.
4. according to claim 1,2 or 3 described methods, it is characterized in that described reference identification image comprises a plurality of.
5. according to claim 1,2 or 3 described methods, it is characterized in that described reference identification image preestablishes in the following manner:
The automatic sectional drawing zone square frame that provides by described portable terminal is manually set the identified areas of the described video frequency program sectional drawing of sampling.
6. according to claim 1,2 or 3 described methods, it is characterized in that described reference identification image preestablishes in the following manner:
Described portable terminal automatically detects the identified areas of described video frequency program, and to this identified areas sectional drawing of sampling, obtains the first reference identification image;
At interval behind the setting-up time once more to this identified areas sectional drawing of sampling, obtain the second reference identification image;
Judge that the described first reference identification image is consistent with the described second reference identification image;
With the described first reference identification image or the second reference identification image setting is described reference identification image.
7. method according to claim 1 is characterized in that, whether consistent step comprises for more described current identification image and predefined reference identification image:
Whether the similarity of more described current identification image and predefined reference identification image surpasses preset threshold, if then described current identification image and described reference identification image are inconsistent; If not, then described current identification image is consistent with described reference identification image.
8. a portable terminal is characterized in that, comprising:
Sampling module is used for the identified areas of the video frequency program of current broadcast is carried out the timing sampling sectional drawing, obtains current identification image;
Comparison module, whether be used for more described current identification image consistent with predefined reference identification image;
Detection module is used for if the comparative result of described comparison module is inconsistent, determines that then described video frequency program changes.
9. portable terminal according to claim 8 is characterized in that, also comprises:
Energy-saving module is used to start described portable terminal and enters battery saving mode, closes the display screen and the loud speaker of described portable terminal.
10. portable terminal according to claim 8 is characterized in that, also comprises:
Prompting module is used for after described detection module determines that described video frequency program changes, continue more described current identification image and predefined reference identification image whether by inconsistent become consistent; If then carry out video frequency program and change prompting.
11. according to Claim 8,9 or 10 described portable terminals, it is characterized in that described reference identification image comprises a plurality of.
12. according to Claim 8,9 or 10 described portable terminals, it is characterized in that, also comprise:
The automatic sectional drawing zone square frame that provides by described portable terminal is provided first setting module, manually to the identified areas of the described video frequency program sectional drawing of sampling, sets described reference identification image.
13. according to Claim 8,9 or 10 described portable terminals, it is characterized in that, also comprise:
First acquisition module is used for detecting automatically the identified areas of described video frequency program, and to this identified areas sectional drawing of sampling, obtains the first reference identification image;
Second acquisition module is used at interval behind the setting-up time once more this identified areas sectional drawing of sampling is obtained the second reference identification image;
Judge module is used to judge that the described first reference identification image is consistent with the described second reference identification image;
Second setting module, being used for the described first reference identification image or the second reference identification image setting is described reference identification image.
14. portable terminal according to claim 8 is characterized in that, described comparison module comprises:
The similarity comparison module, whether the similarity that is used for more described current identification image and predefined reference identification image surpasses preset threshold, if then described current identification image and described reference identification image are inconsistent; If not, then described current identification image is consistent with described reference identification image.
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| CN2010105188362A CN101980531A (en) | 2010-10-25 | 2010-10-25 | Method for detecting video of mobile terminal and mobile terminal |
| PCT/CN2011/080066 WO2012055310A1 (en) | 2010-10-25 | 2011-09-22 | Mobile terminal video detection method and mobile terminal |
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