CN105553655B - Intelligent house security control method - Google Patents
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- CN105553655B CN105553655B CN201610003426.1A CN201610003426A CN105553655B CN 105553655 B CN105553655 B CN 105553655B CN 201610003426 A CN201610003426 A CN 201610003426A CN 105553655 B CN105553655 B CN 105553655B
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- 238000000605 extraction Methods 0.000 claims description 19
- 239000000284 extract Substances 0.000 claims description 5
- 238000012966 insertion method Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000004378 air conditioning Methods 0.000 description 5
- 206010053615 Thermal burn Diseases 0.000 description 2
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- 238000013461 design Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
- G06F21/16—Program or content traceability, e.g. by watermarking
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/60—Digital content management, e.g. content distribution
- H04L2209/608—Watermarking
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Abstract
A kind of intelligent house security control method is proposed, Intelligent housing field is belonged to.The method includes the pictures selected according to user to generate carrier picture；The control information of controlled electric appliance is generated according to the user's choice；The coordinate value being located in threshold range is generated at random according to the control information；The watermark information of the coordinate value and encryption are generated, encrypted watermark information is used in watermarking algorithm insertion carrier picture；The watermark information of the control information and encryption are generated, encrypted control information is used by the bearing area corresponding with coordinate value of watermarking algorithm insertion carrier picture according to the coordinate value；The carrier picture for being embedded in watermark information is sent to control centre and the controlled electric appliance in family is controlled by control centre.Also disclose safe feedback scheme.This programme replaces traditional control string to control smart home using the image of insertion watermark, greatly improves the safety of system.
Description
Technical field
The present invention relates to Intelligent housing fields, and are specifically related to a kind of method of controlling security of smart home.
Background technique
This concept of smart home has proposed many years, in general, smart home be it is a kind of will be each in family
Electrical equipment is connected with a setting control centre in the family, and can be by the small-sized Internet of Things that are remotely-or locally controlled
Net system.Even to this day, the smart machine of the PLC technologies such as some household electrical appliances, monitoring camera, socket is gradually popularized, for
For family, realize that more comfortable home environment is a kind of most common means by these equipment in remote control of domestic,
Because somewhere of many users' expectations except family can control these household electrical appliance at present, can obtain in go back home in this way
More comfortable user experience.For example, user may want to that a hot bath, such user Ke Tong can be washed after going back home
It crosses portable portable device and sends control centre of the control instruction into smart home system, oneself may be got home
Time, expectation water temperature of water heater etc. are sent as a part instructed, to can obtain after going back home at once
The hot water having had been prepared for.And so on, the starting time of air-conditioning, electric cooker, automatic dish cooking machine etc. in the also controllable family of user,
To enjoy suitable room temperature and tasty food on time.Certainly, manager in have old man, child or other do not have operation it is certain
When the member of the ability of electric appliance, the electric appliance in family can also be controlled by user's real time remote for these kinsfolks use.For
Other than the mankind provide conveniently, there is also some hidden danger for this long-range control of smart home.It is known that the electric appliance of family is worked as
It is likely to occur some problems for security when misoperation, for example the temperature of water heater is excessively high, heating time too long possible scald
User, multiple electric appliances are likely to result in circuit overload simultaneously with high-power start, and there may be fire etc. what is more.Therefore, this
If the remote control commands of kind of smart home are intercepted and captured and distorted by other staff, the personal safety as well as the property safety of user may be made
At damage.Currently, instruction is transmitted generally in the form of character string, and character string is since information is concentrated very much, if being trapped that
The probability being cracked is very big, is unable to satisfy the needs for guaranteeing smart home security control, and does not also control at present with forward direction
The feedback mechanism of the safety matched is made, user is also difficult to safely learn the operating condition of each electrical equipment in family, when
So, current control method does not account for control centre and the respective calculating of portable portable device in family yet
Ability provides the analytic method of the control for being suitable for distinct device and terminal and feedback command or data.
Summary of the invention
In order to solve multiple technical problems mentioned above, the invention proposes a kind of security control sides of smart home
Method, it joined image and digital watermark in long-range control, and design multi-level security mechanism, above-mentioned multiple to solve
Technical problem.
The invention proposes a kind of intelligent house security control methods, which comprises first step, positioned at long-range
Picture selection interface or picture shooting interface are supplied to user by the addressable remote control equipment of user；Second step,
The width picture that user is selected or shot is transformed to the carrier picture of control information, and the carrier picture has preset
Size or resolution ratio；Control information interface is supplied to user by third step, and the control information interface is by each intelligent electric appliance
Control interface shows user for selection by the user and generates control information；Four steps is given birth at random according to the control information
At the coordinate value being located in threshold range, the coordinate value indicates position of the bearing area of control information in carrier picture；
5th step generates the watermark information of the coordinate value and encryption, by encrypted watermark information using watermarking algorithm from
First, the upper left corner pixel of carrier picture starts sequence and is embedded in carrier picture；6th step generates the control information
Watermark information simultaneously encrypts, and encrypted control information is used watermarking algorithm insertion carrier picture according to the coordinate value
Bearing area corresponding with coordinate value；7th step, by the watermark information for being embedded in the coordinate value and the control information
The carrier picture of watermark information be sent to the control centre in family and by control centre to the controlled electric appliance in family into
Row control.
According to an aspect of the present invention, this method further include: the 8th step, control centre receives to be set from long-range control
The standby carrier picture for being loaded with control information；9th step is extracted from carrier picture using watermark extraction algorithm and has been added
The watermark information of close indicates coordinate value, and be decrypted using decipherment algorithm, obtain coordinate value；Tenth step, utilizes watermark
Extraction algorithm extracts the watermark information of the expression control information encrypted from respective carrier region pointed by the coordinate value,
And be decrypted using decipherment algorithm, obtain the control information；11st step, control centre's parsing control information, according to
The information for controlling controlled operation of electrical appliances is sent to each controlled electric appliance to each controlled by the controlled electric appliance ID in control information
Electric appliance is controlled.
According to an aspect of the present invention, this method further include: the 12nd step, each controlled electric appliance will indicate respective
The information of state is sent to control centre as feedback information；13rd step, control centre is by the feedback of each controlled electric appliance
Using in the watermarking algorithm insertion corresponding bearing area of carrier picture after information encryption；Tenth four steps, control centre will
The carrier picture of insertion feedback information is sent to remote control equipment；15th step, remote control equipment receive insertion feedback
The carrier picture of information；16th step, between remote control equipment coordinate value according to the pre-stored data and the ID of controlled electric appliance
Corresponding relationship, from the respective carrier region in carrier picture corresponding to coordinate value using watermark extraction algorithm extraction it is corresponding
Encryption feedback information and decryption obtain feedback information；17th step, ID and feedback information using controlled electric appliance are to use
Family shows the state of corresponding controlled electric appliance.
According to an aspect of the present invention, this method further include: the control information is a control for an electric appliance
Information processed or multiple control information for multiple electric appliances, including the ID of controlled electric appliance and control in the control information should
The information of equipment or operation of electrical appliances, and the amount of the coordinate value according to the control information generates, when the control information is multiple
When multiple control information of controlled electric appliance, the coordinate value is multiple coordinate values, and each control information corresponds to one of sit
Scale value, after the 6th step, the corresponding relationship between remote control equipment stored coordinate values and the ID of controlled electric appliance is for parsing
It is used when feedback information.
According to an aspect of the present invention, this method further include: the specified bearing area of the coordinate value is rectangle, circle
Shape, triangle or other shapes, when for rectangle, the coordinate value is top left co-ordinate and bottom right angular coordinate.
According to an aspect of the present invention, this method further include: the feedback in the 13rd step, in insertion carrier picture
The ID of controlled electric appliance is not contained in information.
According to an aspect of the present invention, this method further include: in the case where multiple control information, set in long-range control
In standby and control centre, reach an agreement in advance, bearing area embedded by the feedback information and the control information is arranged
To be consistent, in the 16th step, when remote control equipment obtains the carrier picture of carrying feedback information, according to being stored in advance
Coordinate value and controlled electric appliance ID between relationship, will be embedded in the region after finding bearing area corresponding with coordinate value
The ID of feedback information and controlled electric appliance link together, to know the feedback information of the controlled electric appliance.
According to an aspect of the present invention, this method further include: in the case where multiple control information, in four steps
In, the region corresponding informance of feedback information is also generated, the region corresponding informance is used to indicate multiple control the multiple of information and holds
Carry the corresponding relationship of the feedback information of region and each controlled electric appliance；In the 5th step, by the watermark of the region corresponding informance
For control centre's use after information encryption and embedded coordinate value；After the 6th step is finished, according to the region pair
It answers information to generate the corresponding relationship between coordinate value and the ID of controlled electric appliance, the corresponding relationship is stored in remote control equipment
For being used when parsing feedback information.
According to an aspect of the present invention, this method further include: in the 9th step, control centre also utilizes watermark extracting
Algorithm extracts the watermark information of the expression region corresponding informance encrypted from carrier picture, and decrypts region corresponding informance；
In the 13rd step, control centre is using the coordinate value of extraction, region corresponding informance and control information is found and feedback letter
The corresponding bearing area of manner of breathing is to be embedded in the feedback information；In the 16th step, generated using according to region corresponding informance
Coordinate value and controlled electric appliance ID between corresponding relationship, the corresponding feedback letter of controlled electric appliance is obtained from each bearing area
Breath.
According to an aspect of the present invention, this method further include: when generating coordinate value, according to pre-set bearing area
Minimum dimension generate the bearing area for being enough to carry any one feedback information.
It can be seen that technical solution proposed by the present invention ensure that the safety that smart home remotely controls from many aspects, it is first
First, the character crossfire of control information is replaced to crack difficulty to increase using this complex data structures of the image being randomly generated, this
Outside, using watermarking algorithm by the storage of the information of encryption in the picture, and also use the coordinate value that generates at random and right with it
The region answered stores different control information, and when feedback, can be used according to the region corresponding informance random ordering generated at random
These region store feedback informations, and the corresponding relationship that feedback information and region are known in end is only sent and received, to guarantee
The safety of user's acquisition feedback information.Therefore, the present invention is long-range from multiple angles and level significant increases smart home
The safety of control.
Detailed description of the invention
Fig. 1 is the schematic diagram that the present invention proposes intelligent house security control method institute running environment；
Fig. 2 is the flow chart of the generation control information of the intelligent house security control method；
Fig. 3 is that the intelligent house security control method parses control information to control the method flow of controlled electric appliance
Figure；
Fig. 4 is the generation feedback information of the intelligent house security control method and gives user's method flow of prompt
Figure；
Fig. 5 is the schematic diagram according to the bearing area of the embeddable information of an exemplary carrier image.
Specific embodiment
Following embodiments are proposed merely for the purpose of illustration, and simultaneously the scope of protection of the present invention is not limited for these embodiments.
Fig. 1 shows the environment that intelligent house security control method is run.As shown in Figure 1, smart home is located at family
In part include control centre 103, which can be an independent computer, is also possible to computing capability
Router；It further include multiple intelligent electric appliances 104, the multiple intelligent electric appliance is connected to the control centre.In the control
The heart can parse control information from the user, and each control instruction is sent to corresponding each intelligent electric appliance, to realize
Control to intelligent electric appliance.It includes remote control equipment 101 that smart home, which is located at long-range part, which can be desktop type meter
Calculation machine or portable computing device, mobile phone, PDA, tablet computer etc..Remote control equipment can be communicated with the control centre
Ground connection, such as can be wired or wireless connection.The remote control equipment generates the control in response to the input of user
Information, and the control centre is sent to by network 102.The remote control equipment also receives the feedback from control centre
Information.
Fig. 2 shows the processes of the generation control information.
Picture selection interface or picture shooting interface are supplied to user by step S201, the remote control equipment；It is described
Several picture presentations prestored in remote control equipment to user and are transferred to user to select by picture selection interface, and the picture is clapped
Taking the photograph interface allows user to shoot a width picture conveniently；
Step S202, the width picture that user is selected or shot are transformed to the carrier picture of control information；The carrier
There is picture preset size or resolution ratio can pass through amplification, diminution or sanction such as with the resolution ratio of 1024*768
It the modes such as cuts and the picture of selection is transformed to the carrier picture, the size or resolution ratio can be selected as the case may be
It selects, if control contains much information, bigger image may be selected, otherwise select smaller image；
Control information interface is supplied to user by step S203, and the control information interface is by the control of each intelligent electric appliance
Interface shows user for selection by the user and generates control information；
Step S204 generates the coordinate value being located in threshold range, the coordinate value table according to the control information at random
Show position of the bearing area of control information in carrier picture；
Step S205 generates the watermark information of the coordinate value and encryption, and encrypted watermark information is embedding using watermark
Enter algorithm to be embedded in carrier picture since sequence the pixel of first, the upper left corner of carrier picture；
Step S206 generates the watermark information of the control information and encryption, according to the coordinate value by encrypted control
Information processed is embedded in the bearing area of carrier picture using watermarking algorithm；
Step S207 will be embedded in the carrier figure of the watermark information of the watermark information and the control information of the coordinate value
Piece is sent to control centre.
In the process of above-mentioned generation control information, although the carrier picture in step S201 and S202 is selected according to user
Picture generate, but a width picture can also be randomly choosed from picture library with system and make transformation and obtain, and picture
The part picture that library may include whole pictures or only select comprising user.In this way, transmit every time as control information
The picture of carrier is all different (the case where especially for shooting conveniently), is difficult to having intercepted and captured the bit stream of the picture
Control information is therefrom accurately found, degree of safety can be substantially improved.
In step S203, due in smart home have different controllable electrical appliances, such as simplest intelligent socket, such as
Can choose socket repeatedly opens or closes the time；Such as air-conditioning can choose its opening time, opening time, temperature control
Therefore mode, wind speed and temperature etc. can be that different electric appliance is selected not by different interfaces for a user
Same control information, final control information generated can be for a control information of an electric appliance or for multiple
Multiple control information of electric appliance.
The threshold range in step S204 refers to the area that control information can be embedded in pre-set carrier picture
Domain.For example, lower half portion (such as 3/4 region), bottom left section (such as region of lower-left 1/4), bottom right in carrier picture
Partially (region of bottom right 1/4) etc. all can serve as the threshold range, and the purpose is to avoid the insertion region of coordinate value
And provide the region of carrying control information as big as possible.After generating control information according to the user's choice, in the threshold
It is worth the amount in range according to the control information and generates corresponding coordinate value, according to one embodiment, the coordinate value is upper left corner seat
Mark and bottom right angular coordinate, to have selected memory block of the bearing area of a rectangle as control information in threshold range
Domain.In addition, as described above, since control information can be multiple, a corresponding control such as is generated for each electric appliance
Information processed, then in this case, the coordinate value can be it is multiple, each coordinate value is top left co-ordinate and the right side wherein
In the case where lower angular coordinate, insertion of multiple rectangular areas as corresponding multiple control information is just had selected in threshold range
Region, and the size of each rectangular area is determined according to the amount of corresponding control information, i.e., if control information compared with
It is few, then lesser rectangular area is distributed, otherwise distributes biggish rectangular area (as shown in figure 5, threshold range is the lower half of image
3/4 part, wherein being respectively embedded into different control information there are four rectangular area of different sizes).Certainly, the coordinate value institute
Specified bearing area can also be other shapes, for example specify border circular areas or triangle etc. by central coordinate of circle and radius
Deng.In the corresponding control information in each bearing area, be including at least controlled plant or the ID of electric appliance, the ID it is unique,
And the information of the equipment or operation of electrical appliances is controlled, these information are different because of equipment, opening time, temperature etc., above
Illustration is provided, which is not described herein again.
In addition, the feedback information after intelligent electric appliance receives control information and operates will also be described in we below,
These feedback informations will also be embedded in same width picture and return to remote control equipment so that user checks, it is contemplated that long-range control
The control centre that the performance of equipment may and be not so good as in family is powerful, therefore, no longer regenerates new coordinate value, but utilizes
The region of the multiple rectangles opened up before or circle or other shapes stores the feedback information, this will be described below.
In step S205 and step S206, the watermark of coordinate value and control both information is believed using data encryption algorithm
Breath is encrypted, and is encrypted using any existing secure cryptographic algorithm, due to be not emphasis of the invention therefore no longer
Enumerate specific Encryption Algorithm.Further, since bearing area will repeatedly be embedded in different information, that is, control information and feedback
Therefore information for control information, is embedded in the first bit plane of the bearing area.And for hereafter will
The feedback information of description is embedded in the second bit plane of bearing area, to prevent the upset and conflict between information.
After step S205 and step S206 are finished, the ID of remote control equipment stored coordinate values and controlled electric appliance it
Between corresponding relationship for parsing feedback information when use.
Fig. 3 shows the method for parsing control information to control controlled electric appliance.
Step S301, control centre receive the carrier picture for being loaded with control information from remote control equipment；
Step S302 extracts the watermark letter of the indicates coordinate value encrypted using watermark extraction algorithm from carrier picture
Breath, and be decrypted using decipherment algorithm, obtain coordinate value；Control centre's default is believed from the upper left corner the first pixel extraction watermark
Breath, extracted is the watermark information of the coordinate value of encryption；
Step S303 is extracted from respective carrier region pointed by the coordinate value using watermark extraction algorithm and has been encrypted
Expression control information watermark information, and be decrypted using decipherment algorithm, obtain the control information；
Step S304, control centre parsing control information, according to the control information in controlled electric appliance ID will control controlled electricity
The information of device operation is sent to each controlled electric appliance to control each controlled electric appliance.
Fig. 4, which is shown, to be generated feedback information and gives user's method of prompt.
The information for indicating respective state is sent in control by step S401, each controlled electric appliance as feedback information
The heart；
Step S402, control centre are carried after encrypting the feedback information of each controlled electric appliance using watermarking algorithm insertion
In the corresponding bearing area of body picture；
The carrier picture for being embedded in feedback information is sent to remote control equipment by step S403, control centre；
Step S404, remote control equipment receive the carrier picture of insertion feedback information；
Step S405, remote control equipment according to the corresponding relationship between the coordinate value of storage and the ID of controlled electric appliance, from
The corresponding feedback encrypted of watermark extraction algorithm extraction is utilized in respective carrier region in carrier picture corresponding with coordinate value
Information and decrypt obtain feedback information；Due to the corresponding relationship being stored in advance between coordinate value and the ID of controlled electric appliance, remote
The step of coordinate value is extracted by watermark extraction algorithm is just eliminated at program-controlled control equipment, saves the calculating of remote control equipment
Resource.
Step S406, ID and feedback information using controlled electric appliance are the state of the corresponding controlled electric appliance of user's displaying.
Due to for the sake of security, in S402, being embedded in the feedback information in carrier picture without containing controlled electric appliance
ID.Therefore, in one embodiment, in advance set the feedback information and bearing area embedded by the control information to
Unanimously, that is to say, that control information and the controlled electric appliance in the case where multiple control information, corresponding to same controlled electric appliance
Feedback information carried using same bearing area, in this way when remote control equipment obtain carrying feedback information carrier figure
When piece, can relationship between coordinate value according to the pre-stored data and the ID of controlled electric appliance, finding hold corresponding with coordinate value
The ID of the feedback information being embedded in the region and controlled electric appliance is linked together after carrying region, to know the controlled electric appliance
Feedback information.
In order to further improve the security, in another embodiment, in step S204, the region of feedback information is also generated
Corresponding informance, that is to say, that in the case where multiple control information, control information and this corresponding to same controlled electric appliance are controlled
The feedback information of electric appliance can be carried without using same bearing area, but be changed according to the region corresponding informance.
For example, region corresponding for the first coordinate value stores the control information of air-conditioning (the 1st equipment), it is corresponding for the second coordinate value
Region store the control information of water heater (the 2nd equipment), region corresponding for third coordinate value stores electric cooker (
3 equipment) control information.So according to previous embodiment (using same bearing area), the sequence of feedback information also should be 1,
2,3, the feedback information that the first coordinate value is air-conditioning is respectively indicated, the second coordinate value is the feedback information of water heater, third coordinate
Value is the feedback information of electric cooker；And in the present embodiment, for example, the region corresponding informance can be 3,1,2, respectively table
Show that the first coordinate value is the feedback information of electric cooker, the second coordinate value is the feedback information of air-conditioning, and third coordinate value is hot water
The feedback information of device.Certainly, 3,1,2 only illustrates, and the region corresponding informance can be actually generated according to random algorithm.?
In this case, in step S205, by after the encryption of the watermark information of the region corresponding informance and embedded coordinate value for
Control centre uses.After step S205 and step S206 are finished, according to the region corresponding informance generate coordinate value with
Corresponding relationship between the ID of controlled electric appliance, when storing the corresponding relationship in remote control equipment for parsing feedback information
It uses.In this case, in step s 302, control centre also utilizes watermark extraction algorithm to extract from carrier picture and has added
The watermark information of close expression region corresponding informance, and region corresponding informance is decrypted, in step S402, control centre is utilized
Carrying corresponding with feedback information is found in coordinate value, region corresponding informance and control information (wherein having device id) of extraction
Region is to be embedded in the feedback information；In this way in step S405 utilize before according to region corresponding informance generate coordinate value with
Corresponding relationship between the ID of controlled electric appliance can obtain the corresponding feedback information of controlled electric appliance from each bearing area.
The purpose of the two embodiments is all more safely to guarantee that feedback information is not maliciously tampered, if error message is anti-
Feed user, such as the water heater of original normally-open operation but informs that user does not run or expection is not achieved in temperature always,
User repeatedly may be powered up starting to it or actively improve temperature, may cause in this way water heater overload cause fire or
Water temperature over-high scalds user, therefore, using above-mentioned two embodiment, can carry out encrypting to feedback information and be calculated using watermark insertion
Method is embedded in picture, guarantees the safety of information transmission.Additionally it is possible to position embedded by multiple feedback informations is set, the position
It is unique for setting for a secondary control and feeding back conversation, because what region corresponding informance was randomly generated, it is only remote in this way
The storage location consulted of feedback information is known by program-controlled control equipment and control centre, and (position is all for a user can not
Know), this further ensure that the safety that smart home remotely controls.
Multiple feedback informations are embedded in corresponding bearing area by control centre according to the region corresponding informance.By
In feedback information, amount is seldom for control information, so under normal circumstances, any one bearing area can carry
Feedback information.Certainly, foot can also be generated according to the minimum dimension of pre-set bearing area when generating coordinate value
To carry the bearing area of any one feedback information.
Above-described embodiment proposed by the invention is only the description of the invention, is not intended as to the scope of the present invention
Limitation.Those skilled in the art can modify the present invention based on above description, these modifications also belong to the present invention and disclose
Content and fall within the scope of protection of the present invention.
Claims (10)
1. a kind of intelligent house security control method, which is characterized in that the described method includes:
First step proposes picture selection interface or picture shooting interface positioned at the long-range addressable remote control equipment of user
Supply user；
Second step, the width picture that user is selected or shot are transformed to the carrier picture of control information, the carrier picture
With preset size or resolution ratio；
Control information interface is supplied to user by third step, and the control information interface is by the control interface of each intelligent electric appliance
It shows user for selection by the user and generates control information；
Four steps generates the coordinate value being located in threshold range according to the control information at random, and the coordinate value indicates control
Position of the bearing area of information processed in carrier picture；
5th step generates the watermark information of the coordinate value and encryption, and encrypted watermark information is calculated using watermark insertion
Method is embedded in carrier picture since sequence the pixel of first, the upper left corner of carrier picture；
6th step generates the watermark information of the control information and encryption, is believed encrypted control according to the coordinate value
Breath is embedded in the bearing area corresponding with coordinate value of carrier picture using watermarking algorithm；
7th step sends out the carrier picture of the watermark information for being embedded in the coordinate value and the watermark information of the control information
It gives the control centre being located in family and the controlled electric appliance in family is controlled by control centre.
2. intelligent house security control method as described in claim 1, which is characterized in that the method also includes:
8th step, control centre receive the carrier picture for being loaded with control information from remote control equipment；
9th step extracts the watermark information of the indicates coordinate value encrypted using watermark extraction algorithm from carrier picture, and
It is decrypted using decipherment algorithm, obtains coordinate value；
Tenth step extracts the table encrypted using watermark extraction algorithm from respective carrier region pointed by the coordinate value
Show the watermark information of control information, and be decrypted using decipherment algorithm, obtains the control information；
11st step, control centre parsing control information, according to the control information in controlled electric appliance ID will control controlled electric appliance
The information of operation is sent to each controlled electric appliance to control each controlled electric appliance.
3. intelligent house security control method as claimed in claim 2, which is characterized in that the method also includes:
The information for indicating respective state is sent to control centre as feedback information by the 12nd step, each controlled electric appliance；
13rd step, control centre use watermarking algorithm to be embedded in carrier after encrypting the feedback information of each controlled electric appliance
In the corresponding bearing area of picture；
The carrier picture for being embedded in feedback information is sent to remote control equipment by the tenth four steps, control centre；
15th step, remote control equipment receive the carrier picture of insertion feedback information；
16th step, the corresponding relationship between remote control equipment coordinate value according to the pre-stored data and the ID of controlled electric appliance,
From the respective carrier region in carrier picture corresponding with coordinate value using watermark extraction algorithm extraction it is corresponding encrypt it is anti-
Feedforward information and decrypt obtain feedback information；
17th step, ID and feedback information using controlled electric appliance are the state of the corresponding controlled electric appliance of user's displaying.
4. intelligent house security control method according to claim 1 to 3, it is characterised in that: the control information is
A control information for an electric appliance or for multiple control information of multiple electric appliances, in the control information include by
It controls the ID of electric appliance and controls the information of the equipment or operation of electrical appliances, and the amount of the coordinate value according to the control information generates,
When the control information is multiple control information of multiple controlled electric appliances, the coordinate value is multiple coordinate values, and each control
Information processed corresponds to one of coordinate value, after the 6th step, the ID of remote control equipment stored coordinate values and controlled electric appliance it
Between corresponding relationship for parsing feedback information when use.
5. intelligent house security control method according to claim 4, it is characterised in that: the specified carrying of the coordinate value
Region is rectangle, circle, triangle or other shapes, and when for rectangle, the coordinate value is that top left co-ordinate and the lower right corner are sat
Mark.
6. intelligent house security control method according to claim 4, it is characterised in that: in the 13rd step, insertion
The ID of controlled electric appliance is not contained in feedback information in carrier picture.
7. intelligent house security control method according to claim 6, it is characterised in that: multiple control information the case where
Under, in remote control equipment and control centre, reach an agreement in advance, it will be embedded by the feedback information and the control information
Bearing area be set as unanimously, in the 16th step, when remote control equipment obtain carrying feedback information carrier picture
When, the relationship between coordinate value according to the pre-stored data and the ID of controlled electric appliance is finding bearing area corresponding with coordinate value
The ID of the feedback information being embedded in the region and controlled electric appliance is linked together afterwards, to know the feedback letter of the controlled electric appliance
Breath.
8. intelligent house security control method according to claim 6, it is characterised in that: multiple control information the case where
Under, in four steps, the region corresponding informance of feedback information is also generated, the region corresponding informance is used to indicate multiple controls
The corresponding relationship of the feedback information of multiple bearing areas of information and each controlled electric appliance；In the 5th step, by the region pair
The watermark information of information is answered to encrypt and after embedded coordinate value for control centre's use；After the 6th step is finished, root
The corresponding relationship between coordinate value and the ID of controlled electric appliance is generated according to the region corresponding informance, is stored in remote control equipment
The corresponding relationship uses when feedback information for parsing.
9. intelligent house security control method according to claim 8, it is characterised in that:
In the 9th step, control centre also utilizes watermark extraction algorithm to extract the expression region pair encrypted from carrier picture
The watermark information of information is answered, and decrypts region corresponding informance；
In the 13rd step, control centre using the coordinate value of extraction, region corresponding informance and control information find with instead
The corresponding bearing area of feedforward information is to be embedded in the feedback information；
In the 16th step, the corresponding pass between the coordinate value generated according to region corresponding informance and the ID of controlled electric appliance is utilized
System, obtains the corresponding feedback information of controlled electric appliance from each bearing area.
10. intelligent house security control method according to claim 1 to 3, it is characterised in that: when generating coordinate value,
The bearing area for being enough to carry any one feedback information is generated according to the minimum dimension of pre-set bearing area.
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| CN107682237A (en) * | 2017-09-14 | 2018-02-09 | 珠海格力电器股份有限公司 | A kind of method that household electrical appliances are controlled by mobile terminal, mobile terminal and storage device |
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