CN101777250A - General remote control device and method for household appliances - Google Patents

General remote control device and method for household appliances Download PDF

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Publication number
CN101777250A
CN101777250A CN201010102608A CN201010102608A CN101777250A CN 101777250 A CN101777250 A CN 101777250A CN 201010102608 A CN201010102608 A CN 201010102608A CN 201010102608 A CN201010102608 A CN 201010102608A CN 101777250 A CN101777250 A CN 101777250A
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China
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remote control
function
household electrical
electrical appliance
gesture
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CN101777250B (en
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成娟
陈香
赵章琰
张旭
路知远
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University of Science and Technology of China USTC
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University of Science and Technology of China USTC
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Abstract

The invention discloses a general remote control device and a general remote control method for household appliances. The device comprises a gesture capture module, a signal processing module and a remote control functional module, wherein the gesture capture module is arranged on an arm of a person for capturing a signal generated on the basis of a gesture made for executing remote control of a household appliance; the signal processing module is used for recognizing the captured signal and converting the recognition result into a household appliance remote control instruction; and the remote control functional module, according to the remote control instruction, selects the corresponding household appliance and executes a corresponding remote control function. The device and the method allow a user to select and control a plurality of household appliances by making simple gestures rather than performing key-input operation, and therefore bring a convenience to the blind, the amblyope and people with failing vision.

Description

The general remote-control device of household electrical appliance and method
Technical field
The present invention relates to the telecontrol engineering field, relate in particular to a kind of general remote-control device of household electrical appliance.
Background technology
Present household electrical appliance all are equipped with special telechiric device, and these telechiric devices do not possess general utility functions usually, and the user need use specific telepilot that the electric equipment of particular type is controlled.Along with improving constantly and the kind of domestic electric appliance and growing with each passing day of quantity of living standards of the people, the number of general family-owned telepilot is also more and more.The existence of a plurality of telepilots not only requires the user to be familiar with the mode of operation of different remote, also requires the user to learn the position of different remote by heart simultaneously, and this has brought great not convenient for people's life.
Be the inconvenience that the existence that solves a plurality of telepilots brings to the user, realize the function of universal remote control, released a class multifunctional learning type telepilot in the market.This telepilot writes down all or part of keyboard-coding on one or more dedicated remote controls by the mode of duplicating study, reaches the purpose of using the single or a plurality of household electrical appliance of remote control equipment control.
No matter be telechiric device or the present multifunctional universal telechiric device of having released market that household electrical appliance are specially joined, they mostly are the input mode based on button greatly, and this remote control mode can not satisfy the user operates control to domestic electric appliance demand in some occasion.For example, when the user cooks in the kitchen, its both hands are stained with flour or other materials, if this moment, the user need operate the work that must interrupt in remote holder to household electrical appliance, and need to clean and pick up telepilot again behind the both hands and operate.And for example, for the user of blind person, amblyopia or the blurring of image, can there be very big difficulty in the function button on the operation household appliance remote control equipment.
Therefore, provide a kind of more natural, flexibly, universal remote control input method and device have the important use meaning efficiently for domestic electric appliance.
Summary of the invention
Purpose of the present invention is intended to one of solve the aforementioned problems in the prior at least.
For this reason, embodiments of the invention propose a kind of simpler, flexibly, household electrical appliance general remote-control device and method efficiently.
According to an aspect of the present invention, the invention provides a kind of household electrical appliance universal remote control method based on Gesture Recognition, this household electrical appliance universal remote control method makes the user need not key-input operation by selection and the control of simple gesture motion realization to a plurality of domestic electric appliances.
According to another aspect of the present invention, the invention provides a kind of wearable household electrical appliance general remote-control device, this general remote controller can be worn with the form of fashion watch or bracelet, and gesture motion discerned and is encoded to the control command of electric equipment, realize remote control to domestic electric appliance.
Therefore, the general remote-control device of the household electrical appliance of the embodiment of the invention comprises: be arranged on the gesture trapping module on the human arm, in order to gather the signal of carrying out based on household appliance remote control that gesture motion produced; Signal processing module is used for described acquired signal is discerned, and recognition result is converted to the telecommand that is used for household electrical appliance; And the distant control function module, select corresponding household appliance and carry out corresponding remote control function according to described telecommand.
The further embodiment according to the present invention, described gesture trapping module comprises: several surface myoelectric sensor units and/or triaxial accelerometer unit, in order to gather the multi-channel surface myoelectric signal and/or the acceleration signal of human arm based on described gesture motion; And AD conversion unit, be used for described acquired signal is carried out exporting to described signal processing module after the analog-digital conversion.
The further embodiment according to the present invention, described signal processing module comprises: pattern recognition unit is used for the described acquired signal of described gesture trapping module output is carried out Classification and Identification to dissimilar gesture motion; And coding unit, be used for corresponding gesture motion being carried out the telecommand coding according to described Classification and Identification result.
Again a step, described pattern recognition unit can comprise: the active segment detecting unit is used for determining to carry out the gesture motion active segment in period from the described acquired signal stream that receives continuously; Feature extraction unit is used for extracting the signal that one group of characteristic the most effective is described described active segment from described acquired signal; And the Classification and Identification unit, be used for determining that according to described characteristic the classification of gesture motion is to provide described Classification and Identification result.
The further embodiment according to the present invention, described distant control function module comprises: matching unit, be used for described coded order and the coding schedule of being scheduled to are mated, to judge that described coded order serves as that the selection steering order still is the function steering order, preserves in the wherein said coding schedule and various household electrical appliance types and function corresponding codes thereof; Selected cell is selected the household electrical appliance in requisition for remote control according to described selection steering order; And performance element, according to described function steering order the household electrical appliance of selecting are carried out the remote control of corresponding function.
The further embodiment according to the present invention, the general remote-control device of household electrical appliance can also comprise the coding study module, the type of the household electrical appliance of remote control and function thereof are learnt gesture motion and are encoded as required, mate the household electrical appliance type and be used for corresponding selection gesture motion, and coupling household electrical appliance function and corresponding function selecting gesture, with acquisition and/or upgrade described coding schedule.
In addition, the universal remote control method of the household electrical appliance of embodiments of the invention may further comprise the steps: a) gather the signal of carrying out based on household appliance remote control that gesture motion produced from human arm; B) described acquired signal is discerned, and recognition result is converted to the telecommand that is used for household electrical appliance; And c) selects corresponding household appliance and carry out corresponding remote control function according to described telecommand.
The further embodiment according to the present invention, described step a comprises: utilize several surface myoelectric sensors and/or triaxial accelerometer to gather corresponding multi-channel surface myoelectric signal and/or the acceleration signal that produces of described gesture motion; And described acquired signal carried out exporting after the analog-digital conversion.
The further embodiment according to the present invention, described step b comprises: according to described acquired signal dissimilar gesture motion is carried out Classification and Identification; And according to described Classification and Identification result corresponding gesture motion is carried out telecommand and encode.
The further embodiment according to the present invention, described step c comprises: described coded order and the coding schedule of being scheduled to are mated, to judge that described coded order serves as that the selection steering order still is the function steering order, preserves in the wherein said coding schedule and various household electrical appliance types and function corresponding codes thereof; Select household electrical appliance according to described selection steering order in requisition for remote control; And the household electrical appliance of selecting are carried out the remote control of corresponding function according to described function steering order.
Universal remote control method of the present invention can also comprise the type of household electrical appliance of remote control as required and the step that function is learnt and encoded gesture motion thereof, to mate the household electrical appliance type and to be used for corresponding selection gesture motion, and coupling household electrical appliance function and corresponding function gesture motion, and then acquisition and/or upgrade described coding schedule.
Household electrical appliance universal remote control method provided by the invention and telechiric device can make the user by selection and the control of simple gesture motion realization to a plurality of domestic electric appliances, need not key-input operation, controlling electric device equipment is provided convenience for the user of blind person, amblyopia and the blurring of image simultaneously when being applicable to the inconvenience of user's both hands.
In the present invention, the user also can define the gesture motion of oneself being familiar with or being accustomed to according to the needs of oneself, is used for the operation control to household electrical appliance, realizes the gesture remote control of domestic electric appliance in mode more natural, that loosen.
Aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the wearable household electrical appliance general remote-control device structural representation of first embodiment of the invention;
Fig. 2 is the example of the gesture motion input of the general remote-control device of household electrical appliance of the present invention;
Fig. 3 is the circuit diagram of the gesture trapping module of first embodiment of the invention;
Fig. 4 is the syndeton synoptic diagram of the gesture trapping module of first embodiment of the invention;
Fig. 5 is the circuit diagram of the signal processing module of first embodiment of the invention;
Fig. 6 is the selection gesture collection and the corresponding codes steering order synoptic diagram thereof of the embodiment of the invention;
Fig. 7 is the function gesture collection and the corresponding codes steering order synoptic diagram thereof of the embodiment of the invention;
Fig. 8 is the structural representation of the distant control function module of the embodiment of the invention;
Fig. 9 is the coded system synoptic diagram of the inquiry coding schedule of the embodiment of the invention;
Figure 10 is the function coding hoist pennants of one embodiment of the invention;
Figure 11 is the function coding hoist pennants of another embodiment of the present invention;
Figure 12 is the application example synoptic diagram that the present invention is based on the household electrical appliance universal remote control method of gesture;
Figure 13 is the state transitions synoptic diagram that the present invention is based on two household appliance remote controls of gesture;
Figure 14 is that the gesture of the embodiment of the invention is selected synoptic diagram in conjunction with the control TV channel;
Figure 15 is the wearable household electrical appliance general remote-control device structural representation of second embodiment of the invention;
Figure 16 is the Wrist belt-type gesture trapping module circuit diagram of second embodiment of the invention;
Figure 17 is the distant control function functions of modules synoptic diagram of second embodiment of the invention.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
At first with reference to figure 1, this figure has provided the wearable household electrical appliance general remote-control device structural representation of first embodiment of the invention.
As shown in Figure 1, the general remote-control device 100 of household electrical appliance of the present invention comprises gesture trapping module S11, signal processing module S12 and distant control function module S13.Gesture trapping module S11 is arranged on the human arm, be used to gather the signal of carrying out based on household appliance remote control that gesture motion produced, signal processing module S12 is used for the signal that gesture trapping module S11 gathers is discerned, and recognition result is converted to the telecommand that is used for household electrical appliance.Distant control function module S13 then selects corresponding household appliance and carries out corresponding remote control function according to above-mentioned telecommand.
In this embodiment, except that gesture trapping module S11, signal processing module S12 and distant control function module S13 also can be arranged on the human arm.In other words, this general remote-control device 100 can be integrated signals collecting, processing and the remote control pattern in one, is about to gesture trapping module S11, signal processing module S12 and distant control function module S13 and is integrated in one, and dresses with the form of wrist strap.Under the embodiment of this kind pattern, can utilize existing telepilot technology that household electrical appliance are directly sent control command, the similar existing household electrical appliance remote controller of telechiric device need not external annex during use.Above-mentioned module is embedded on watch chain or the bracelet, forms wearable equipment shown in Figure 1, can wear in the hand forearm during use.
The principle of work of the various modules that comprise about general remote-control device 100 hereinafter will provide detailed description after a while.
Now, in conjunction with the example of Fig. 2 the gesture motion input of gesture trapping module S11 correspondence is made an explanation earlier.
Shown in Fig. 2 embodiment, the input of the gesture motion of household electrical appliance general remote-control device of the present invention has defined selection gesture collection and function gesture collection, thereby realizes selection and control to various household electrical appliance.
Wherein select the gesture collection to be used to control the selection of various domestic electric appliances, by writing gesture motion such as numeral " 1 ", " 2 ", " 3 " aloft, the selection to household electrical appliance is realized in function study back, and the action number of gesture motion collection can be adjusted according to the number of household electrical appliance.
Function gesture collection is used for the various functions of domestic electric appliance are controlled, as shown in the figure, for example by execution clench fist, stretch the palm, stretch wrist, bend wrist, gesture motion such as just slap, turn one's hand over, realize the switch of household electrical appliance, functions such as the adjusting control of the increasing or decreasing of channel, volume or temperature.For realizing universal remote control to distinct device, the present invention adopts identical gesture motion to some total feature operations of household electrical appliance, switch as electrical equipment, the adjusting of volume identical or similar functions such as (adjustings of temperature) is controlled, and the user only need remember that some function gestures commonly used can realize the remote control to a plurality of equipment like this.
In embodiments of the present invention, gesture trapping module S11 can comprise multi-channel surface myoelectric sensor and/or compositions such as 3 axle acceleration sensors, analogue-to-digital converters, battery and power circuit, can be worn on the hand forearm.Multi-channel surface myoelectric sensor and/or 3 axle acceleration sensors are used to gather surface electromyogram signal and/or the acceleration signal that produces when the user carries out gesture motion, and amplify with filtering and nurse one's health.Conversion of signals after analogue-to-digital converters will be nursed one's health is a digital signal, and battery and power circuit are kept the operate as normal of sensor and analogue-to-digital converters etc.
With reference now to Fig. 3,, this figure has provided the circuit diagram of the gesture trapping module of first embodiment of the invention.Wherein, gesture trapping module S11 comprise the multi-channel surface myoelectric sensor (corresponding electromyographic electrode 1,2 ... N) S111,3 accelerometer S112 and analog-digital conversion module S113, battery and power circuit S115 etc., wherein analog-digital conversion module S113 is arranged on the single-chip microcomputer 110.
Their concrete riding positions on watch chain or bracelet can be as shown in Figure 4, and Fig. 4 is the syndeton synoptic diagram of the gesture trapping module S11 of the embodiment of the invention.In one embodiment, 3 accelerometer S112, reference electrode, lithium polymer batteries can be integrated in one.
Specifically, Wrist belt-type gesture trapping module S11 is achieved in that mainly multichannel myoelectric sensor S111 and/or 3 accelerometer S112 have built-in amplifier and filtering conditioning functions, these sensors with the gesture motion surface myoelectric and/or acceleration signal pre-service that collect after, send into the analog-digital conversion module S113 of single-chip microcomputer, this analog-digital conversion module S113 carries out analog-digital conversion with signal, and next the data after the conversion are handled by signal processing module S12.
Fig. 5 is the circuit diagram of the signal processing module of first embodiment of the invention, and as shown in Figure 5, signal processing module S12 also can be arranged on the single-chip microcomputer 110, to receive the signal of analog-digital conversion module S113 output.
Particularly, signal processing module S12 comprises pattern recognition unit S122 and order number cell S 123.
As shown in Figure 5.To carrying out Classification and Identification through the data after the analog-digital conversion, specifically is to realize by this three part of active segment extraction, feature extraction and Classification and Identification among the pattern recognition unit S122 by pattern recognition unit S122.Main flow process is: at first, the active segment abstraction function of application mode recognition unit S122 is determined the starting point and the terminating point of gesture motion signal; Secondly, feature extraction functions among the application mode recognition unit S122 realizes the feature extraction of gesture motion active segment signal, validity feature with low dimension characterizes all kinds of gesture motion in the hope of embodying the difference of all kinds of gesture motion as far as possible, forms proper vector; At last, the proper vector that different types of gesture motion is extracted of the Classification and Identification function among the application mode recognition unit S122 is carried out high precision, robust ground Classification and Identification.Then the gesture motion that identifies is input to order number cell S 123 and carries out the steering order coding, order number cell S 123 is used for according to described Classification and Identification result corresponding gesture motion being carried out the telecommand coding.
Fig. 6 has enumerated gesture motion and the corresponding codes steering order thereof of selecting the gesture collection to comprise, and Fig. 7 has enumerated gesture motion and corresponding codes steering order thereof that function gesture collection comprises.Wherein selecting position shown in the circle of gesture motion among Fig. 6 is the starting point of gesture motion when aloft writing, and position shown in the arrow is the end point of gesture motion when aloft writing, and selects gesture motion can unicursal to write and finishes.
Fig. 8 has provided the structural representation of the distant control function module of the embodiment of the invention, as shown in Figure 8, the received code S131 of distant control function module S13 receives the order number that order number cell S 123 sends over, S132 finds this instruction by its matching unit (not shown) inquiry coding schedule, and mate, to determine that selecting steering order still is the function steering order.Wherein preserve among the coding schedule S132 and various household electrical appliance types and function corresponding codes thereof.
If the selection steering order, the household electrical appliance of then correspondingly being selected to carry out function control by its selected cell (not shown) promptly are equivalent to traditional " having picked up the telepilot of a certain household electrical appliance "; If the function steering order then by its this function corresponding codes of performance element (not shown) wireless transmission, is carried out function corresponding operation control to the household electrical appliance of having selected.
The concrete coded system of coding schedule S132 can be shown in Fig. 9-11, with two domestic electric appliance remote controls is example, it at first is the selection of domestic electric appliance, inquiring current domestic electric appliance that can remote control under the state of main interface (ID is 0000) is televisor (ID:0001) and DVD (ID:0002), when carrying out selection gesture motion " 1 ", coding schedule according to Fig. 9 can inquire, it is televisor that this gesture motion represents to select electric equipment, i.e. expression " having picked up the telepilot of televisor ", and do not need to send coding.
After having selected controlling object, need be to the controlling object feature operation, for example chosen televisor (ID:0001), if carry out the function gesture motion and stretch the palm this moment, coding schedule as shown in figure 10 inquires under 0001 state, and the corresponding televisor open function of this gesture motion sends its infrared coding that is encoded to the televisor unlatching, televisor responds after receiving this infrared coding, enters opening.
As shown in figure 11, be the coding schedule of domestic electric appliance DVD feature operation, by Figure 10 and Figure 11 as can be seen, the identical functions gesture motion can be controlled the identical or similar functions of different domestic electric appliances.
This kind pattern is used for reference existing telepilot technology and is realized, similar existing household electrical appliance remote controller, and household electrical appliance need not external annex during use.
Figure 12 has provided the application example synoptic diagram of the household electrical appliance universal remote control method that the present invention is based on gesture, as shown in the figure, when the user wants a certain household electrical appliance are operated, select these household electrical appliance earlier, suppose that the user wants to select household electrical appliance No. 1, as televisor, and want to turn on televisor and watch TV programme.
At first, as among Fig. 4 1. shown in the step, the user can aloft write and select gesture motion " 1 ", after this gesture motion is correctly validated, the coding steering order is for selecting No. 1 domestic electric appliance, and promptly No. 1 domestic electric appliance televisor is selected, as among Fig. 4 2. shown in; The user can carry out stretching of function gesture motion collection and slap action then, as among Fig. 4 3. shown in, this function gesture motion is correctly discerned back coding steering order for opening televisor, by this telechiric device sending controling instruction coding, televisor is received steering order coding back operation response, and promptly televisor has been opened; Then the user can realize function operations such as the volume control of televisor and channel selections by other function gesture motion of having succeeded in school.
Below in conjunction with the be operating as example of Figure 13 with two domestic electric appliances, the state transition path when briefly setting forth the control of a plurality of domestic electric appliances.
At first entering main menu mode, under the inquiry current state what domestic electric appliances are arranged, is example with Fig. 5, and two domestic electric appliances are arranged, and it selects gesture motion to be respectively " 1 " and " 2 ".Under main menu mode, carry out and select gesture motion 1, select electrical equipment 1 menu, carry out the function gesture motion afterwards, send the control corresponding order number, and then return electrical equipment 1 menu.If the user wants then can write another and select gesture motion the operation of another household electrical appliance, to switch to corresponding number household electrical appliance function control, the household electrical appliance that this time chosen are realized the control based on the function gesture motion then.For a plurality of household electrical appliance of opening, definable function gesture motion is only carried out feature operation to nearest selected household electrical appliance.
The user also can adopt the gesture motion of custom to carry out the control of household electrical appliance according to hobby and the needs of oneself, and carries out his function expansion on the basis of existing gesture collection and instruction set.Simultaneously, because the number of programs of stereo sets such as the channel number of televisor and DVD is many,, also can adopt the selection of selecting gesture and function gesture to be incorporated into line frequency road or program etc. at these special household electrical appliance.
Figure 14 is with the implementation procedure that example has provided this scheme that is chosen as of TV channel: if want to switch to another channel from the channel of current television for play, for example switch to channel 26 from channel 1, behind the interface that has entered televisor, can make the function gesture motion of " stretching thumb " earlier, when detecting this function steering order, after this aloft write and select gesture motion then to represent the selection of channel, as import and select gesture motion 2, then channel 2 is temporarily selected in expression, if this moment, gesture motion 6 was selected in input again, then channel 26 is temporarily selected in expression, until the function steering order that receives " stretching thumb " once more, represent that then channel selection finishes, so final the selection is channel 26.This kind mode both can realize the selection of one digit number channel or program, also can realize the selection of long number channel and program.
In one embodiment, the present invention can also comprise coding study module (not shown), being used for the type of household electrical appliance of remote control as required and function thereof learns gesture motion and encodes, mate the household electrical appliance type and be used for corresponding selection gesture motion, and coupling household electrical appliance function and corresponding function selecting gesture, to obtain and/or renewal coding schedule S132.
And, the coding steering order of distant control function module S13 except obtaining according to the gesture motion learning functionality operated outside the corresponding household electrical appliance, can also be embedded with liquid crystal display, can be used for showing the state of various domestic electric appliances, be mainly used in the study of coding study module gesture motion.Learning functionality mainly realizes selecting the coupling of gesture motion and domestic electric appliance numbering, and the coupling that realizes function gesture collection and the domestic electric appliance function of choosing.
Learning functionality in the coding study module mainly is achieved in that when the liquid crystal display demonstration enters the learning functionality interface, at first increase the household electrical appliance that need control, import this electric equipment title, this device name can be user preferences and title that is easy to remember or symbol, by the selection gesture motion of importing this electric equipment after the confirming button, the repetition training pre-determined number is for example after 10 times, press confirming button again, can realize selecting the coupling of gesture motion and domestic electric appliance; The study of function gesture motion is similar, but after entering specific domestic electric appliance interface, specific domestic electric appliance is increased the function corresponding operation, for example open or close, after the input function title, the function gesture motion of this function of repetition training is 10 times again, and search obtains the infrared coding of function gesture motion, confirm by button at last, can realize the coupling of function gesture motion and particular home electrical appliance functions of the equipments.The gesture motion of its similar function correspondence of wherein different electric equipments can be identical.
After function study, the identical functions behavior aggregate can be used for realizing the function control of dissimilar electric equipments.In addition, the user can adopt the gesture motion of custom to carry out the control of household electrical appliance according to hobby and the needs of oneself, utilizes the coding study module to expand other functions on the basis of existing gesture collection and instruction set.
Be the another kind of implementation that the present invention is based on the wearable household electrical appliance general remote-control device of Gesture Recognition as shown in figure 15.
In this embodiment, general remote-control device also can be divided into wearable part and not wearable two parts, wherein the former is made of gesture trapping module S21, to gesture motion myoelectricity and/or acceleration signal detect, amplification filtering and processing, and send data by wireless modes such as bluetooth or frequency modulation broadcastings; The latter is made up of distant control function module S22, and wireless receiving myoelectricity and/or acceleration information carry out pattern recognition process to it, and realizes the control of gesture motion to electric equipment according to coding.
The user only need wear signal acquisition module during use, not wearable part can be placed on the fixed position can finish gesture remote control to electric equipment.The advantage of this pattern is that the portability of telechiric device is stronger, and user interface is friendly more.
As shown in figure 15, this general remote-control device is made up of Wrist belt-type gesture trapping module S21 and distant control function module S22 two parts, gesture trapping module S21 and distant control function module S22 adopt the wireless mode swap data, the advantage of this pattern is that the user only need wear Wrist belt-type gesture acquisition equipment, can realize the portable wearing of remote control equipment.
Wrist belt-type gesture capturing unit S21 to myoelectricity and/or the acceleration signal that gesture motion produces detect, amplification and Filtering Processing, and send data for distant control function module S22 by wireless modes such as bluetooths.
But distant control function module S22 wireless receiving gesture motion myoelectricity and/or acceleration information also carry out pattern recognition process to it, and gesture motion is encoded into the electric equipment control command, and wireless transmitting control commands.
As shown in figure 16, Wrist belt-type gesture trapping module S21 includes multi-channel surface myoelectric sensor S211 and/or integrated 3 accelerometer S212, analog-digital conversion module S213, wireless transport module S214 and battery and power circuit S215 module, above-mentioned module is embedded on watch chain or the bracelet, form wearable equipment, can wear in the hand forearm during use.
Specifically, Wrist belt-type gesture acquisition equipment S21 realizes like this, multichannel myoelectric sensor S211 and/or 3 accelerometer S212 have built-in amplifier and filtering conditioning functions, these sensors with the gesture motion surface myoelectric and/or acceleration signal pre-service that collect after, send into the analog-digital conversion part S213 of single-chip microcomputer, this analog-digital conversion part is carried out analog-digital conversion with signal, data after the conversion are admitted to the wireless transport module S214 of single-chip microcomputer, data are gone out by wireless transport module S214 wireless transmission, and for example the wireless mode of bluetooth sends.
Particularly, distant control function realizes that module S22 comprises that wireless receiving submodule S221, pattern-recognition submodule S222, order number submodule S223 and guidance command send submodule S224, as shown in figure 17.The data that wireless receiving submodule S221 reception wireless transport module S214 sends over also are transported to pattern-recognition submodule S222.Distant control function realizes that module realizes the Classification and Identification to data, specifically is to realize by this three part of active segment extraction, feature extraction and Classification and Identification among the pattern-recognition submodule S222.Main flow process is: at first, the active segment abstraction function of application mode recognin module S222 is determined the starting point and the terminating point of gesture motion signal; Secondly, feature extraction functions among the application mode recognin module S222 realizes the feature extraction of gesture motion active segment signal, validity feature with low dimension characterizes all kinds of gesture motion in the hope of embodying the difference of all kinds of gesture motion as far as possible, forms proper vector; At last, the proper vector that different types of gesture motion is extracted of the Classification and Identification function among the application mode recognin module S222 is carried out high precision, robust ground Classification and Identification.Then the gesture motion that identifies is input to order number module S223 and carries out the steering order coding.
Particularly, guidance command transmission submodule S224 is achieved in that as shown in Figure 8.The received code module S131 of this module receives the order number that the order number module sends over, and finding this instruction by inquiry coding schedule S132 is to select steering order or function steering order.Then correspondingly select to carry out the household electrical appliance of function control if select steering order, be equivalent to traditional " having picked up the telepilot of a certain household electrical appliance ", if function steering order, the infrared coding of this function correspondence of wireless transmission then, the domestic electric appliance of choosing are made the function corresponding response after receiving this infrared coding.This infrared coding obtains by this general remote-control device learning functionality, and this function of the general remote-control device of this embodiment is identical with the general remote-control device of above-mentioned first embodiment, repeats no more here.
In addition, the present invention also provides a kind of universal remote control method of household electrical appliance, and this method utilizes the general remote-control device of above-mentioned household electrical appliance to carry out the remote control input.This method may further comprise the steps: gather the signal of carrying out based on household appliance remote control that gesture motion produced from human arm; Acquired signal is discerned, and recognition result is converted to the telecommand that is used for household electrical appliance; And select corresponding household appliance and carry out corresponding remote control function according to described telecommand.
Wherein utilize several surface myoelectric sensors and/or triaxial accelerometer to gather corresponding multi-channel surface myoelectric signal and/or the acceleration signal that produces of described gesture motion; And described acquired signal carried out exporting after the analog-digital conversion.
And dissimilar gesture motion is carried out Classification and Identification according to described acquired signal; And according to described Classification and Identification result corresponding gesture motion is carried out telecommand and encode.
Then, described coded order and the coding schedule of being scheduled to being mated, serves as that the selection steering order still is the function steering order to judge described coded order, preserves in the wherein said coding schedule and various household electrical appliance types and function corresponding codes thereof; And select household electrical appliance in requisition for remote control according to described selection steering order; And the household electrical appliance of selecting are carried out the remote control of corresponding function according to described function steering order.
In addition, the universal remote control method of household electrical appliance of the present invention can also comprise the type of household electrical appliance of remote control as required and the step that function is learnt and encoded gesture motion thereof, to mate the household electrical appliance type and to be used for corresponding selection gesture motion, and coupling household electrical appliance function and corresponding function selecting gesture, and then obtain and/or the renewal coding schedule.
General domestic electric appliance remote control input method based on Gesture Recognition of the present invention, this remote control input method make the user need not key-input operation by selection and the control of simple gesture motion realization to a plurality of domestic electric appliances.
The invention provides a kind of general remote-control device and method of the household electrical appliance based on Gesture Recognition, the present invention has defined two class remote controls input gesture collection-selections gesture collection and function gesture collection with selection and the control of realization to domestic electric appliance.
The present invention realizes the selection of controlling object by the gesture motion of selecting the gesture collection, and adopt the identical functions gesture motion to some the total feature operations of multiple domestic electric appliance, switch as electrical equipment, the adjusting of volume functions such as (adjustings of temperature) is controlled, the user only need remember the function gesture motion that some are commonly used, has simplified reciprocal process greatly.
Among the present invention, the user also can define the gesture motion of oneself being familiar with or being accustomed to according to the needs of oneself, is used for the operation control to household electrical appliance, realizes the gesture remote control of domestic electric appliance in mode more natural, that loosen.
The present invention provides a kind of wearable household electrical appliance gesture remote control device simultaneously, this general remote controller can be worn with the form of fashion watch or bracelet, can detect myoelectricity and acceleration signal that gesture motion produces, and, realize remote control to domestic electric appliance to being encoded to the control command of electric equipment after the gesture action recognition.
Use general domestic electric appliance remote input units provided by the invention, the user can realize selection and the control to a plurality of domestic electric appliances by the gesture motion of nature, need not key-input operation.This general remote-control device can free the user from the trouble that multi-remote-controller brings, brought facility for the occupied user of both hands and blind person, amblyopia and blurring of image person simultaneously.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification that scope of the present invention is by claims and be equal to and limit to these embodiment.

Claims (10)

1. the general remote-control device of household electrical appliance is characterized in that, described general remote-control device comprises:
Be arranged on the gesture trapping module on the human arm, in order to gather the signal of carrying out based on household appliance remote control that gesture motion produced;
Signal processing module is used for described acquired signal is discerned, and recognition result is converted to the telecommand that is used for household electrical appliance; And
The distant control function module is selected corresponding household appliance and is carried out corresponding remote control function according to described telecommand.
2. general remote-control device as claimed in claim 1 is characterized in that, described gesture trapping module comprises:
Several surface myoelectric sensor units and/or triaxial accelerometer unit are in order to gather the multi-channel surface myoelectric signal and/or the acceleration signal of human arm based on described gesture motion; And
AD conversion unit is used for described acquired signal is carried out exporting to described signal processing module after the analog-digital conversion.
3. general remote-control device as claimed in claim 1 or 2 is characterized in that, described signal processing module comprises:
Pattern recognition unit is used for the described acquired signal of described gesture trapping module output is carried out Classification and Identification to dissimilar gesture motion; And
Coding unit is used for according to described Classification and Identification result corresponding gesture motion being carried out the telecommand coding.
4. general remote-control device as claimed in claim 3 is characterized in that, described distant control function module comprises:
Matching unit is used for described coded order and the coding schedule of being scheduled to are mated, and serves as that the selection steering order still is the function steering order to judge described coded order, preserves in the wherein said coding schedule and various household electrical appliance types and function corresponding codes thereof;
Selected cell is selected the household electrical appliance in requisition for remote control according to described selection steering order; And
Performance element carries out the remote control of corresponding function according to described function steering order to the household electrical appliance of selecting.
5. general remote-control device as claimed in claim 4, it is characterized in that, also comprise the coding study module, the type of the household electrical appliance of remote control and function thereof are learnt gesture motion and are encoded as required, mate the household electrical appliance type and be used for corresponding selection gesture motion, and coupling household electrical appliance function and corresponding function selecting gesture, with acquisition and/or upgrade described coding schedule.
6. the universal remote control method of household electrical appliance is characterized in that, described universal remote control method may further comprise the steps:
A) gather the signal of carrying out based on household appliance remote control that gesture motion produced from human arm;
B) described acquired signal is discerned, and recognition result is converted to the telecommand that is used for household electrical appliance; And
C) select corresponding household appliance and carry out corresponding remote control function according to described telecommand.
7. universal remote control method as claimed in claim 6 is characterized in that, described step a comprises:
Utilize several surface myoelectric sensors and/or triaxial accelerometer to gather corresponding multi-channel surface myoelectric signal and/or the acceleration signal that produces of described gesture motion; And
Described acquired signal is carried out exporting after the analog-digital conversion.
8. as claim 6 or 7 described universal remote control methods, it is characterized in that described step b comprises:
According to described acquired signal dissimilar gesture motion is carried out Classification and Identification; And
According to described Classification and Identification result corresponding gesture motion is carried out the telecommand coding.
9. universal remote control method as claimed in claim 8 is characterized in that, described step c comprises:
Described coded order and the coding schedule of being scheduled to are mated, and serve as that the selection steering order still is the function steering order to judge described coded order, preserve in the wherein said coding schedule and various household electrical appliance types and function corresponding codes thereof;
Select household electrical appliance according to described selection steering order in requisition for remote control; And
According to described function steering order the household electrical appliance of selecting are carried out the remote control of corresponding function.
10. universal remote control method as claimed in claim 9, it is characterized in that, also comprise the type of household electrical appliance of remote control as required and the step that function is learnt and encoded gesture motion thereof, to mate the household electrical appliance type and to be used for corresponding selection gesture motion, and coupling household electrical appliance function and corresponding function selecting gesture, and then acquisition and/or upgrade described coding schedule.
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