CN103702205A - Decryption method and decryption device of intelligent television - Google Patents
Decryption method and decryption device of intelligent television Download PDFInfo
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Abstract
The invention relates to the field of an intelligent television, and provides a decryption method and a decryption device of the intelligent television. The intelligent television is preliminarily connected with a mobile communication terminal, the mobile communication terminal comprises a touch screen, and the decryption method and the decryption device are characterized in that on a mobile communication terminal side, the method comprises the following steps of responding to gesture information inputted by a user on the touch screen, and receiving the gesture information; analyzing the gesture information, and converting the gesture information to a decryption control command for decrypting the intelligent television; transmitting the control command to the intelligent television through a pre-established communication route. The decryption method is simple, convenient and high in safety and has good user experience.
Description
Technical field
The present invention relates to intelligent television field, particularly a kind of decryption method of intelligent television and device.
Background technology
Intelligent television is a kind of intelligent multimedia terminal, can be from internet, the multiple channel such as video equipment, computer obtains programme content, by being simple and easy to the content that the integrated operation interface of use needs most consumer, on large-screen, clearly represent.Intelligent television is as smart mobile phone, there is full open model platform, carried operating system, for example: Android system, user's program that the third party service provider such as installation and uninstall, game provides voluntarily, constantly the function of TV is expanded, to user, bring abundant individualized experience continuously.
When user selects the TV programme oneself liked or the network information by intelligent television, these contents often may comprise individual privacy, and user does not wish that others views, and therefore, television encryption decryption technology is also brought into schedule gradually.Current TV decryption technology comprises:
By the mode of the manual input character text of TV remote controller, inputting preset password is decrypted, if when this kind of method operating procedure password more loaded down with trivial details and that arrange is longer, be not easy memory, and need to spend the more time of user, and remote controller can become sensitive not after length service time.
By camera, receive predefined password gesture and be decrypted, such as, user can gesticulate gesture facing to camera, and system is decrypted TV according to the gesture of identification.First method is fast above for the method, and convenient, but, disclosed gesture password is easy to be stolen a glance at and steal by others, therefore, is not fool proof.
The manner of decryption of above-mentioned two kinds of existing intelligent televisions, all has different shortcomings, cannot provide a kind of quick, easy, be difficult for forgetting again and the higher manner of decryption of fail safe.
Summary of the invention
In order to solve in prior art, the manner of decryption of intelligent television is safety and be not easy the defects such as memory not, the invention provides a kind of decryption method of intelligent television, described intelligent television connects with mobile communication terminal in advance, described mobile communication terminal comprises a touch-screen, it is characterized in that, in described mobile communication terminal side, described method comprises:
The gesture information of inputting on described touch-screen in response to user, receives described gesture information;
Described gesture information is resolved, convert described gesture information to deciphering control command to described intelligent television;
Described deciphering control command is sent to described intelligent television by the communication path of setting up in advance.
Preferably, " TV assistant " application program is installed in described mobile communication terminal in advance, described mobile communication terminal communicates by being somebody's turn to do " TV assistant " application program and described intelligent television, by this " TV assistant " application program, described deciphering control command is sent to described intelligent television.
Preferably, described described gesture information is resolved, described gesture information is converted to the step of the deciphering control command of described intelligent television is comprised:
Utilize data sampling function to sample to the user writing track in described gesture information, obtain sampled result sequence;
From described sampled result sequence, extract person's handwriting vector;
Determine the coordinate figure of each point in described person's handwriting vector;
From described person's handwriting vector, extract predetermined bit as the secret key of deciphering.
Utilize the secret key of described deciphering to build the deciphering control command to described intelligent television.
Preferably, the described predetermined bit of extracting from described person's handwriting vector also comprises as the step of deciphering secret key:
The region at described person's handwriting vector place is adjusted into standard-sized rectangle;
The region vector that described person's handwriting vector in described rectangle is divided into several little rectangles;
From the vector of described region, extract predetermined bit as the secret key of deciphering in this region;
The secret key of the deciphering of All Ranges is spliced to form to the secret key of deciphering in turn.
Preferably, in described definite described person's handwriting vector, the step of the coordinate figure of each point comprises:
Using the sampled point in the lower left corner as the origin of coordinates, the coordinate figure that the difference of subsequent sampling point and lower left corner sampled point is this sampled point.
Preferably, the described step that described person's handwriting vector is adjusted into standard-sized person's handwriting vector comprises:
Using the peaked length of described person's handwriting vector and wide as denominator, the length of predetermined standard rectangular and wide value are done molecule, obtain long and wide standardization ratio, and described person's handwriting vector value is multiplied by the standard handwriting vector after standardization ratio is adjusted.
The present invention also provides a kind of decryption device of intelligent television, comprises linkage unit, for described intelligent television is connected with mobile communication terminal in advance, described mobile communication terminal comprises a touch-screen, it is characterized in that, in described mobile communication terminal side, described device comprises:
Receiving element, for the gesture information of inputting on described touch-screen in response to user, receives described gesture information;
Resolution unit, for described gesture information is resolved, converts described gesture information to deciphering control command to described intelligent television;
Transmitting element, for sending to described intelligent television by described deciphering control command by the communication path of setting up in advance.
Preferably, described resolution unit comprises:
Sampling unit, for utilizing data sampling function to sample to the user writing track of described gesture information, obtains sampled result sequence;
Person's handwriting extraction unit, for extracting person's handwriting vector from described sampled result sequence;
Coordinate figure determining unit, for determining the coordinate figure of described each point of person's handwriting vector;
Secret key extraction unit, for extracting predetermined bit as the secret key of deciphering from described person's handwriting vector;
Instruction construction unit, for utilizing the secret key of described deciphering to build the deciphering control command to described intelligent television.
Preferably, the described predetermined bit of extracting from described person's handwriting vector also comprises as the step of deciphering secret key:
Regional standard unit, for being adjusted into standard-sized rectangle by the region at described person's handwriting vector place;
Cutting unit, for being divided into the described person's handwriting vector at described rectangle the region vector of several little rectangles;
The secret key extraction unit in region, for extracting predetermined bit as the secret key of deciphering in this region from described region vector;
Secret key concatenation unit, for being spliced to form the secret key of the deciphering of All Ranges in turn the secret key of deciphering.
Preferably, " TV assistant " application program is installed in described mobile communication terminal in advance, described device also comprises,
Communication unit, communicates by being somebody's turn to do " TV assistant " application program and described intelligent television for described mobile communication terminal, by this " TV assistant " application program, described deciphering control command is sent to described intelligent television.
The present invention builds clear crytpographic key by the touch-screen reception user's of mobile communication terminal gesture person's handwriting, by the TV assistant who communicates with intelligent television, this password is sent to intelligent television, owing to inputting password by touch-screen, the button of the remote controller comparing, writing of touch-screen is simpler, convenient, saves time; In addition, because the structure of password is undertaken by the unique person's handwriting of user, therefore, be difficult for conjecture and imitate, fail safe is higher; Finally, by mobile communication terminal " TV assistant " sends password to intelligent television, due to the portability of mobile communication terminal, also makes decrypting process more convenient, have good user and experience.
accompanying drawing explanation
Fig. 1 is the method flow diagram of embodiment mono-;
Fig. 2 is the device schematic diagram of embodiment tri-.
Embodiment
Exemplary embodiment of the present disclosure is described below with reference to accompanying drawings in more detail.Although shown exemplary embodiment of the present disclosure in accompanying drawing, yet should be appreciated that and can realize the disclosure and the embodiment that should do not set forth limits here with various forms.On the contrary, it is in order more thoroughly to understand the disclosure that these embodiment are provided, and can by the scope of the present disclosure complete convey to those skilled in the art.
In embodiments of the present invention, the execution theme relating to is to carry out the mobile communication terminal (for example mobile phone) of interactive communication with an intelligent television.For the ease of understanding, first it should be noted that, in embodiments of the present invention, a application program of moving on mobile communication terminal device (APP) can be provided, for example, can be named as " TV assistant ", this application program can be the interface of all application relevant to intelligent television, for example, should " TV assistant " in can comprise, TV is carried out to switch shutdown, zapping page turning, encrypting and decrypting, all application functions such as internal memory cleaning.User can install this APP on the mobile terminal device of oneself; Accordingly, in the operating system of video playback apparatus side, corresponding background application can be housed, realize and the TV assistant of mobile terminal device side between carry out alternately, and realize corresponding function.
In mobile communication terminal device, installed the in the situation that of thering is corresponding background application in TV assistant, video playback apparatus, again video playback apparatus and mobile communication terminal device are connected in same local area network (LAN), for example can pass through identical WIFI(Wireless Fidelity) access network, like this, TV assistant in mobile communication terminal just can be by establishing a communications link between privately owned communication protocol and video playback apparatus, and follow-up signal, the transmission of data etc. is all to carry out on the basis of this communication connection of setting up.Concrete, set up communication connection by certain port between mobile communication terminal and video playback apparatus after, each background application of video playback apparatus side (comprising the application program that intelligent television is decrypted) just can be monitored the message receiving on this port.The implementation procedure of concrete interacting message can be: after mobile communication terminal device side direction video playback apparatus side has been sent a message, the operating system of video playback apparatus side can receive this message, and this message is broadcasted to each background application in video playback apparatus, each background application is after receiving message, can judge whether to need oneself to process, if do not needed, can abandon, otherwise the subsequent operation such as resolve.
Same, set up communication connection by certain port between mobile communication terminal and video playback apparatus after, each background application of mobile communication terminal side also can be monitored the message receiving on this port.The implementation procedure of concrete interacting message can be: intelligent television is displaced sideways after communication terminal side sent a message, the operating system of mobile communication terminal side can receive this message, and this message is broadcasted to each background application in mobile communication terminal, each background application is after receiving message, can judge whether to need oneself to process, if do not needed, can abandon, otherwise the subsequent operation such as resolve.
In " TV assistant " in mobile communication terminal, can comprise a plurality of user's operation entries, for example button or voice portal, it should be noted that, can also configure another kind of user's operation entry in the mobile communication terminal in the present invention, that is, and and touch-screen.User can pass through information input from touch screen, touch-screen will be identified the information of input, if the information that identification obtains is to control the instruction of intelligent television, so, TV HELPER APPLICATION just can join above-mentioned instruction intelligent television operation and control in request data package, by the above-mentioned communication path establishing, sends to intelligent television end.
With reference to Fig. 1, show the decryption method of intelligent television of the present invention, in mobile communication terminal side, to carry out, the method comprises the following steps:
S101, the gesture information of inputting on described touch-screen in response to user, receive described gesture information;
The touch-screen of mobile communication terminal of the present invention adopts capacitance touching control formula touch-screen, and when user's finger contact moment to Trackpad, the surface of touch-screen will produce an electric capacity.In touch screen surface, be attached with a sensing matrix, this sensing matrix, together with a process chip, is being followed the tracks of " track " that user points electric capacity continuously, accurately the position of location finger and the formed gesture information of variation of position.
S102, described gesture information is resolved, convert described gesture information to deciphering control command to described intelligent television;
Obtain after above-mentioned gesture information, utilize data sampling function to sample to the user writing track in the gesture information of the variation formation of finger position, obtain sampled result sequence.Touch screen data sampling function can be that touch screen operating carries, concrete sampling function is looked different touch screen operating and different, as Android system provides following sampling function android_server_KeyInputQueue_readEvent (), can recording user hand mobile stroke track staying on touch-screen.
Then from described sampled result sequence, extract person's handwriting vector.Touch screen data sampling function can be supported to carry out record to leaving the behavior of touch screen surface in user writing process, and the stroke according to this record can be to user writing time is carried out segmentation accurately, and after segmentation, stroke data is person's handwriting vector.
Determine the coordinate figure of each point in person's handwriting vector; For example, will using first sampled point as the origin of coordinates, the coordinate figure that the difference of subsequent sampling point and the first sampled point is this sampled point.Or, also can be using the sampled point in the lower left corner as the origin of coordinates, the coordinate figure that the difference of subsequent sampling point and lower left corner sampled point is this sampled point.
Then, from person's handwriting vector, extract predetermined bit as the secret key of deciphering.The square region spreading all over to maximum coordinates value point person's handwriting from the origin of coordinates is as person's handwriting vector region, from all gesticulating in this region, extraction predetermined bit is as encryption key, for example, the coordinate figure that this can be gesticulated extracts as bit value, forms and encrypts secret key.
Decipher after secret key structure, just can utilize this to decipher secret key and build the deciphering control command of intelligent television, can set up an instruction bag, this instruction bag comprises director data, and the secret key of above-mentioned deciphering.
S103, described deciphering control command is sent to described intelligent television by the communication path of setting up in advance.
Mobile communication terminal can create a packet, and this packet comprises above-mentioned instruction bag, and then, by the proprietary protocol of agreement, IP address and port numbers according to intelligent television, send to intelligent television end.
The embodiment of the present invention is by being used the touch-screen input gesture clear crytpographic key in mobile communication terminal, by this gesture clear crytpographic key, intelligent television is decrypted, because different users' handwriting is different, and the application program in mobile communication terminal can be resolved accurately to the person's handwriting of gesture password, therefore, this gesture password has stronger personalization, is difficult for being stolen, and fail safe is higher; In addition, the touch-screen by mobile communication terminal is decrypted intelligent television, than it, uses a teleswitch, and inputs more simple and efficiently, makes the control of intelligent television more intelligent.
Embodiment bis-
Certainly, in order accurately to extract user's person's handwriting track, on the basis of embodiment mono-, the present invention can also do following improvement.
The region at above-mentioned person's handwriting vector place is adjusted into standard-sized rectangle, detailed process is as follows: using the length in the region at person's handwriting vector place and wide as denominator, the length of predetermined standard rectangular and wide value are done molecule, obtain long and wide standardization ratio, then, the standard handwriting vector value after the coordinate figure of person's handwriting vector is multiplied by standardization ratio is adjusted.
Then, the region vector that the described person's handwriting vector in the standard rectangular after adjusting is divided into several little rectangles; For example, if person's handwriting region is 200*300 pixel, this Region Segmentation can be become to the zonule of 20 10*15, afterwards, from the vector of zonule, extract predetermined bit as the secret key of deciphering in this region, and the secret key of the deciphering of All Ranges is spliced in turn, form the secret key of final deciphering.
The embodiment of the present invention is divided into several zonules by gesture person's handwriting region, thereby makes the identification of gesture track more accurate, has improved the practicality of gesture identification, convenient for users to use.
Embodiment tri-
Referring to Fig. 2, the embodiment of the present invention also provides the decryption device of the intelligent television corresponding with the method for embodiment mono-, comprise, linkage unit, for described intelligent television is connected with mobile communication terminal in advance, described mobile communication terminal comprises a touch-screen, it is characterized in that, in described mobile communication terminal side, described device comprises:
Receiving element 201, for the gesture information of inputting on described touch-screen in response to user, receives described gesture information;
Transmitting element 203, for sending to described intelligent television by described deciphering control command by the communication path of setting up in advance.
Wherein, in order to obtain the secret key of deciphering the written handwriting from user, said apparatus also comprises:
Sampling unit, for utilizing data sampling function to sample to the user writing track of described gesture information, obtains sampled result sequence;
Person's handwriting extraction unit, for extracting person's handwriting vector from described sampled result sequence;
Coordinate figure determining unit, for determining the coordinate figure of described each point of person's handwriting vector;
Secret key extraction unit, for extracting predetermined bit as the secret key of deciphering from described person's handwriting vector;
Instruction construction unit, for utilizing the secret key of described deciphering to build the deciphering control command to described intelligent television.
In addition, in order to realize the mutual of mobile communication terminal and intelligent television, " TV assistant " application program is installed in described mobile communication terminal in advance, described device also comprises,
Communication unit, communicates by being somebody's turn to do " TV assistant " application program and described intelligent television for described mobile communication terminal, by this " TV assistant " application program, described deciphering control command is sent to described intelligent television.
The device of the embodiment of the present invention is used the gesture track of touch-screen as the secret key of deciphering intelligent television, make more intelligent and practical alternately between mobile communication terminal and intelligent television, and, the key-press input of the remote controller comparing, the input mode of touch-screen gesture track is owing to varying with each individual, therefore, fail safe is higher, be difficult for being stolen, and the numerical ciphers that gesture password compares is more easily remembered.
Embodiment tetra-
In order accurately to obtain the secret key of deciphering from handwriting information, on the basis of embodiment tri-, device of the present invention can also comprise with lower unit:
Regional standard unit, for being adjusted into standard-sized rectangle by the region at described person's handwriting vector place;
Cutting unit, for being divided into the described person's handwriting vector at described rectangle the region vector of several little rectangles;
The secret key extraction unit in region, for extracting predetermined bit as the secret key of deciphering in this region from described region vector;
Secret key concatenation unit, for being spliced to form the secret key of the deciphering of All Ranges in turn the secret key of deciphering.
The embodiment of the present invention, by becoming a plurality of zonules to identify gesture person's handwriting Region Segmentation, makes to identify precision more, and some trickle vigour of style in writing angle can identify, and gesture password is difficult for imitated, has improved the fail safe of gesture password.
For aforesaid each embodiment of the method, for simple description, therefore it is all expressed as to a series of combination of actions, but those skilled in the art should know, the present invention is not subject to the restriction of described sequence of movement, because according to the present invention, some step can adopt other along go or carry out simultaneously; Secondly, those skilled in the art also should know, said method embodiment all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
For the aforesaid embodiment that respectively installs, for simple description, therefore it is all expressed as to a series of unit combination, but those skilled in the art should know, the present invention is not subject to the restriction of described unit combination, because according to the present invention, some unit can adopt other unit to carry out; Secondly, those skilled in the art also should know, said apparatus embodiment all belongs to preferred embodiment, and related unit might not be that the present invention is necessary.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.For system embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, relevant part is referring to the part explanation of embodiment of the method.
Decryption method to a kind of intelligent television provided by the present invention above, be described in detail, applied specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (10)
1. a decryption method for intelligent television, described intelligent television connects with mobile communication terminal in advance, and described mobile communication terminal comprises a touch-screen, it is characterized in that, and in described mobile communication terminal side, described method comprises:
The gesture information of inputting on described touch-screen in response to user, receives described gesture information;
Described gesture information is resolved, convert described gesture information to deciphering control command to described intelligent television;
Described deciphering control command is sent to described intelligent television by the communication path of setting up in advance.
2. according to the decryption method of the intelligent television of claim 1, it is characterized in that, " TV assistant " application program is installed in described mobile communication terminal in advance, described mobile communication terminal communicates by being somebody's turn to do " TV assistant " application program and described intelligent television, by this " TV assistant " application program, described deciphering control command is sent to described intelligent television.
3. the decryption method of intelligent television according to claim 1, is characterized in that, described described gesture information is resolved, and described gesture information is converted to the step of the deciphering control command of described intelligent television is comprised:
Utilize data sampling function to sample to the user writing track in described gesture information, obtain sampled result sequence;
From described sampled result sequence, extract person's handwriting vector;
Determine the coordinate figure of each point in described person's handwriting vector;
From described person's handwriting vector, extract predetermined bit as the secret key of deciphering;
Utilize the secret key of described deciphering to build the deciphering control command to described intelligent television.
4. the decryption method of intelligent television according to claim 3, is characterized in that, the described predetermined bit of extracting from described person's handwriting vector also comprises as the step of deciphering secret key:
The region at described person's handwriting vector place is adjusted into standard-sized rectangle;
The region vector that described person's handwriting vector in described rectangle is divided into several little rectangles;
From the vector of described region, extract predetermined bit as the secret key of deciphering in this region;
The secret key of the deciphering of All Ranges is spliced to form to the secret key of deciphering in turn.
5. according to the decryption method of claim 3 intelligent television, it is characterized in that, in described definite described person's handwriting vector, the step of the coordinate figure of each point comprises:
Using the sampled point in the lower left corner as the origin of coordinates, the coordinate figure that the difference of subsequent sampling point and lower left corner sampled point is this sampled point.
6. according to the decryption method of claim 4 intelligent television, it is characterized in that, the described step that described person's handwriting vector is adjusted into standard-sized person's handwriting vector comprises:
Using the peaked length of described person's handwriting vector and wide as denominator, the length of predetermined standard rectangular and wide value are done molecule, obtain long and wide standardization ratio, and described person's handwriting vector value is multiplied by the standard handwriting vector after standardization ratio is adjusted.
7. a decryption device for intelligent television, comprises, linkage unit, for described intelligent television is connected with mobile communication terminal in advance, described mobile communication terminal comprises a touch-screen, it is characterized in that, in described mobile communication terminal side, described device comprises:
Receiving element, for the gesture information of inputting on described touch-screen in response to user, receives described gesture information;
Resolution unit, for described gesture information is resolved, converts described gesture information to deciphering control command to described intelligent television;
Transmitting element, for sending to described intelligent television by described deciphering control command by the communication path of setting up in advance.
8. the decryption device of intelligent television according to claim 7, is characterized in that, described resolution unit comprises:
Sampling unit, for utilizing data sampling function to sample to the user writing track of described gesture information, obtains sampled result sequence;
Person's handwriting extraction unit, for extracting person's handwriting vector from described sampled result sequence;
Coordinate figure determining unit, for determining the coordinate figure of described each point of person's handwriting vector;
Secret key extraction unit, for extracting predetermined bit as the secret key of deciphering from described person's handwriting vector;
Instruction construction unit, for utilizing the secret key of described deciphering to build the deciphering control command to described intelligent television.
9. the decryption device of intelligent television according to claim 8, is characterized in that, the described predetermined bit of extracting from described person's handwriting vector also comprises as the step of deciphering secret key:
Regional standard unit, for being adjusted into standard-sized rectangle by the region at described person's handwriting vector place;
Cutting unit, for being divided into the described person's handwriting vector at described rectangle the region vector of several little rectangles;
The secret key extraction unit in region, for extracting predetermined bit as the secret key of deciphering in this region from described region vector;
Secret key concatenation unit, for being spliced to form the secret key of the deciphering of All Ranges in turn the secret key of deciphering.
10. the decryption device of intelligent television according to claim 7, is characterized in that, " TV assistant " application program is installed in described mobile communication terminal in advance, and described device also comprises,
Communication unit, communicates by being somebody's turn to do " TV assistant " application program and described intelligent television for described mobile communication terminal, by this " TV assistant " application program, described deciphering control command is sent to described intelligent television.
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Application publication date: 20140402 |