CN102221885B - Television, and control method and device thereof - Google Patents
Television, and control method and device thereof Download PDFInfo
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Abstract
The invention discloses a television, and a control method and a control device for the television. The control method for the television comprises the following steps of: acquiring motion track points of a moving target, and fitting the motion track points to form a motion curve; calculating the corresponding angle information of the motion track points on the motion curve; judging whether the corresponding angle information of a first track point and a second track point in the motion track points is in the same preset range or not, wherein the first and second track points are adjacent to each other; and when the corresponding angle information of the first and second track points is judged not to be in the same preset range, generating a control instruction to control the action of the television. By the television, and the control method and the control device for the television, a user can conveniently control the television by utilizing gestures.
Description
Technical field
The present invention relates to field of television, in particular to a kind of televisor and control method and device.
Background technology
Under the overall background of the integration of three networks, the function of televisor from strength to strength, the operation of following telepilot is also more and more loaded down with trivial details, has brought a lot of operational inconvenience to TV user.
In the prior art, increasing televisor utilizes gesture to realize controlling, and this new televisor control mode has greatly been improved ease for use and the convenience of televisor.Usually adopt the gestures such as " up and down ", " left and right " in existing gesture control mode, control volume adjusting or channel switching by gesture is corresponding with order.Control volume adjusting as example take " up and down " gesture, the corresponding control command of times of exercise according to hand, the user usually needs repeatedly gesture just can reach the control effect, as once " making progress " or " downwards " gesture corresponding " volume+1 " or " volume-1 " order, the user is adjusted to " volume 60 " from " volume 10 " and need to repeats to do " making progress " gesture 50 times.Therefore, adopt above-mentioned control mode to control televisor, need to repeatedly move for the user, experience sense is poor, inconvenient operation; Simultaneously, after the user realizes regulating volume or program and switches, if when hand resets still in effective recognition time, can produce the mistake order, for fear of this trouble, have to keep hand position motionless to surpassing effective recognition time, also easily cause user's inconvenient operation.
The unhandy problem of user, not yet propose effective solution at present when utilizing gesture to control televisor in correlation technique.
Summary of the invention
Control the unhandy problem of user in the televisor method and propose the present invention for gesture, for this reason, fundamental purpose of the present invention is to provide a kind of televisor and control method and device, to address the above problem.
To achieve these goals, according to an aspect of the present invention, provide a kind of control method of televisor.
The method of controlling televisor according to gesture of the present invention comprises:
Obtain the movement locus point of moving target, the movement locus point is fitted to curve movement;
Calculate the angle information of movement locus point correspondence on curve movement;
Judge angle information corresponding to the first tracing point in the movement locus point angle information corresponding with the second tracing point in movement locus point whether in same preset range, wherein, the first tracing point is adjacent with the second tracing point; And
When angle information corresponding to the first tracing point angle information corresponding with the second tracing point is not in same preset range, generate steering order, control the televisor action.
To achieve these goals, according to a further aspect in the invention, provide a kind of control device of televisor.
The device of controlling televisor according to gesture of the present invention comprises:
Acquisition module, the movement locus point for obtaining moving target fits to curve movement with the movement locus point; Computing module is for the angle information that calculates movement locus point correspondence on curve movement; Judge module is used for judging angle information corresponding to the first tracing point of the movement locus point angle information corresponding with the second tracing point in movement locus point whether in same preset range, and wherein, the first tracing point is adjacent with the second tracing point; And control module, being used for generating steering order when angle information corresponding to the first tracing point angle information corresponding with the second tracing point is not in same preset range, the control televisor moves.
To achieve these goals, according to a further aspect in the invention, provide a kind of televisor, televisor according to the present invention comprises: camera is used for catching image; And the control device of televisor, be used for the movement locus point according to the image motion target, the movement locus point is fitted to curve movement; Calculate the angle information of movement locus point correspondence on curve movement; Judge angle information corresponding to the first tracing point in the movement locus point angle information corresponding with the second tracing point in movement locus point whether in same preset range, wherein, the first tracing point is adjacent with the second tracing point; And when angle information corresponding to the first tracing point angle information corresponding with the second tracing point is not in same preset range, generate steering order, control the televisor action.
By the present invention, adopt the angle information of the adjacent movement locus point of user's hand to change to generate control command, and then control the televisor action, solved user's unhandy problem of user when utilizing gesture to control televisor, and then reached and facilitate the user to utilize gesture to control the effect of televisor.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the process flow diagram according to the control method of the televisor of the embodiment of the present invention;
Fig. 2 is the schematic diagram according to the control device of the televisor of first embodiment of the invention;
Fig. 3 is the schematic diagram according to the control device of the televisor of second embodiment of the invention;
Fig. 4 is the schematic diagram according to the control device of the televisor of third embodiment of the invention;
Fig. 5 is the televisor block diagram according to the embodiment of the present invention;
Fig. 6 is the control command transmission schematic diagram according to the televisor of the embodiment of the present invention;
Fig. 7 a to Fig. 7 p is the schematic diagram according to the gesture that is used for the control televisor of the embodiment of the present invention; And
Fig. 8 a to Fig. 8 b is the gesture plane quadrant distribution schematic diagram that be used for to control televisor according to the embodiment of the present invention.
Embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Fig. 1 is the process flow diagram according to the control method of the televisor of the embodiment of the present invention.
Need to prove, the control method of the televisor of the embodiment of the present invention can be used for the televisor of the embodiment of the present invention, and the televisor of the embodiment of the present invention also can be realized the control method of the televisor of the embodiment of the present invention.
As shown in Figure 1, the method comprises that following step 102 is to step 108:
Step S102 obtains the movement locus point, the match curve movement.
Obtain the movement locus point of moving target, the movement locus point is fitted to curve movement.Control camera and continue to catch image (example: 30fps, be that per second is caught 30 two field pictures, or 15fps, be that per second is caught 15 two field pictures, this numerical value is determined by the camera parameter, the superiority of the technical program is also embodied in and is not subjected to this effect of parameters and restriction), two field pictures several according to continuous front and back utilize moving object detection algorithm, image segmentation algorithm scheduling algorithm to extract the movement locus point.Simulate curve movement according to the plane right-angle coordinate of continuous movement locus point in its corresponding image, this fit procedure realizes by arbitrary curve approximating methods such as least square fitting algorithms.
Step S104 calculates angle information.
Calculate the angle information of movement locus point correspondence on curve movement.
Step S106 judges that whether adjacent track point is in same preset range.
Judge angle information corresponding to the first tracing point in the movement locus point angle information corresponding with the second tracing point in movement locus point whether in same preset range, wherein, the first tracing point is adjacent with the second tracing point.
Step S108 generates steering order, controls the televisor action.
In the control method of above-mentioned televisor, due to the angle information of the movement locus point of moving target as the parameter of controlling televisor, user's gesture motion geometric locus only had in shape requirement, there is no the requirement of sweep, the also not requirement of motion speed, make televisor can better realize the target that the user utilizes gesture to control after adopting this control device, thereby also more convenient user utilize gesture to control televisor.
When angle information corresponding to the first tracing point angle information corresponding with the second tracing point is not in same preset range, generate steering order, control the televisor action.
Preferably, calculating described movement locus point corresponding angle information on described curve movement comprises:
When described curve movement is closed curve, determine the positional information of described movement locus point on described closed curve,
Judge whether angle information corresponding to the first tracing point in the described movement locus point angle information corresponding with the second tracing point in described movement locus point comprises in same preset range:
Whether judge polar angle corresponding to described polar angle angle information greater than default polar angle,
When angle information corresponding to described the first tracing point angle information corresponding with described the second tracing point is not in described same preset range, generate steering order, controls described televisor and move and comprise:
During greater than default polar angle, generate described steering order when polar angle corresponding to described polar angle angle information.
Need to prove, the closed curve that the embodiment of the present invention is mentioned can also can be similar to circular or oval-shaped circular-arc curve for circular, oval, as long as the curve after match can satisfy the calculating of angle.
Preferably, calculating described movement locus point corresponding angle information on described curve movement comprises:
Calculate the first sine and cosine long-pending long-pending with the second sine and cosine, wherein, the long-pending cosine for angle information corresponding to described the first tracing point of described the first sine and cosine is long-pending, and the long-pending sine and cosine for angle information corresponding to described the second tracing point of described the second sine and cosine is long-pending,
Judge whether angle information corresponding to the first tracing point angle information corresponding with the second tracing point comprises the judgement of employing following methods in same preset range:
Judge whether the symbol that described the first sine and cosine is long-pending and described the second sine and cosine is long-pending is identical,
When angle information corresponding to described the first tracing point angle information corresponding with described the second tracing point is not in described same preset range, generate steering order, controls described televisor and move and comprise:
When the symbol that described the first sine and cosine is long-pending and described the second sine and cosine is long-pending is not identical, generate steering order, control described televisor action.
Preferably, the first sine and cosine is long-pending all adopts following formula to calculate with described the second sine and cosine is long-pending:
N＝[sin(Q*θ)]*]cos(Q*θ)]
Wherein, described θ is polar angle, and described N is that the sine and cosine of described polar angle is long-pending, and described Q is any real number.
Preferably, the value of Q is 2.
Preferably, calculate described movement locus point corresponding angle information on described curve movement and comprise that the following formula of employing calculates:
θ＝mod(±X.XXX，1.0)*2π
Wherein, described θ represents polar angle, described ± X.XXX is the positional information of described movement locus point, the direction of motion of the described moving target of described "+" expression is clockwise direction, the direction of motion of the described moving target of described "-" expression is counterclockwise, described ". " integral part before represents described moving target completed number of turns on described curve movement, and described ". " fraction part afterwards represents the position of described moving target on described curve.
Preferably, moving target is user's hand.
Alternatively, realize this embodiment by following steps:
Step 1: parameter initialization.Parameters M and N also carry out initialization to it, M=0, and N=0, wherein, M is used for recording the long-pending symbol of a tracing point polar angle sine and cosine, and N is used for recording the long-pending symbol of current tracing point polar angle sine and cosine.
Step 2: divide quadrant.Determine that Q is 1, plane right-angle coordinate is divided into 4 quadrants, wherein 0 to 90 degree is first quartile, and 90 degree to 180 degree are second quadrants, and 180 degree to 270 degree are third quadrants, and 270 degree to 360 degree are fourth quadrants.
Step 3: the sine and cosine of calculating polar angle is long-pending.Make N=sin θ * cos θ, wherein θ is the polar angle of current tracing point.
Step 4: the long-pending product signs of judgement sine and cosine.Calculate the value of M*N, judge that whether M*N is greater than 0.If first tracing point, M*N=0 does not do any action; If M*N＞0 illustrates that the adjacent track point that obtains continuously for twice in same quadrant, does not send order; M*N＜0 illustrates that the position of the adjacent track point that obtains continuously for twice not at same quadrant, sends out a subcommand.
Step 5: calculate next tracing point.No matter whether the transmission order to be, makes M=N, again obtain next tracing point ± X.XXX parameter and calculate the polar angle of next tracing point.Repeating step 3, step 4, step 5 are until obtain less than new tracing point execution in step 6.
Step 6: finish.M, N value are reset to 0, withdraw from.
In this embodiment, according to understanding and the analysis to the human motion rule, the mode that has proposed to utilize sine and cosine to amass contrary sign in adjacent quadrant is come the transmission times of control command.Because every user draws round speed and amplitude is all different, and the number of image frames that different camera per second catches do not wait from 15fps to 30fps yet, thereby the parameter relevant to above-mentioned objective factor accurate transmission times of control command all.In order to make different user have same or similar control to experience under different condition, we use this parameter of polar angle.Because no matter user action is fast or slow, the radius of a circle of formation is large or little, the user wishes that circumference of picture can send the order of fixed number of times, and polar angle is a more stable parameter under these conditions, only is subjected to the impact of circumference completeness.And through investigation, under natural state of a control, user p.s., multipotency was completed 2 circumference actions, and therefore, as long as the frame number of camera is greater than 15fps, no matter how many design parameters is, camera can capture at the equally distributed tracing point of adjacent quadrant.For example we suppose that in the poorest situation, the camera frame number is 15fps, and user's per second is drawn 2 circumference.The user begins the picture circle in first quartile, method according to the mentioned order transmission, after completing a circle, come back to first quartile, the used time is 0.5s, and camera captures 7～8 two field pictures, namely by after software analysis, we can obtain 7～8 tracing points, and these tracing points are evenly distributed in four quadrants, and there is a tracing point at least in each quadrant.Therefore, the long-pending certain contrary sign of the sine and cosines of adjacent and two tracing points that be distributed in different quadrants of sequential, the tracing point for sequential after, MN＜0 can send a subcommand.Owing to all having tracing point in four quadrants, in the hypothesis of above-mentioned the poorest condition, the user draws a circle also can guarantee to send four orders.The frame number that the camera per second reads is more, and user's operation is slower, and the tracing point that obtains is more, and the tracing point that distributes in each quadrant is more, more easily distinguishes when quadrant changes, and therefore more can guarantee the transmission of four orders of a circle.
Order comprise following any one or a few: regulate tv volume; Change TV channel; When utilizing the TV set for browsing picture, zoom in or out picture; When utilizing the TV set for browsing webpage, zoom in or out webpage; When utilizing the television for play music, F.F. or rewind down music; When utilizing the television for play video, F.F. or rewind down video; And when utilizing televisor to play, zoom in or out games page.
Although by clockwise and the control mode of drawing a circle counterclockwise very simple, for present intelligent television, still can complete a lot of operations.The function the most frequently used with present TV is illustrated:
1. see TV.This is the most frequently used function of televisor, and we can will increase volume and reduce volume, switching succeeding channel and switch these the two kinds of operations of a upper channel with these two kinds of gestures are corresponding respectively counterclockwise clockwise.
2. multimedia application.Increasing TV user begins to use frequently the multimedia application of televisor, selects five kinds of the most frequently used media application herein and is illustrated.
(1) during browsing pictures, clockwise and counterclockwise these two kinds of gestures respectively corresponding picture amplify and picture dwindles this two kinds of operations.
(2) during browsing page, clockwise and counterclockwise these two kinds of gestures respectively corresponding webpage amplify and webpage dwindles this two kinds of operations, also can control and webpage amplification reduction capability is called control webpage volume under the prerequisite of gesture in difference webpage volume simultaneously.
When (3) playing music, with these two kinds of gestures corresponding music F.F.s and these two kinds of operations of music rewind down respectively counterclockwise, also can control the music volume under the prerequisite of the control of difference volume of music and music fast forwarding and fast rewinding funcall gesture simultaneously clockwise.
(4) during movie, clockwise and these two kinds of gestures corresponding film F.F.s and these two kinds of operations of film rewind down respectively counterclockwise, simultaneously also can difference film volume control and the prerequisite of film fast forwarding and fast rewinding funcall gesture under control movie volume.
When (5) playing, these two kinds of gestures are corresponding respectively clockwise and counterclockwise increases sound effect of game and reduces these two kinds of operations of sound effect of game.
In embodiments of the present invention, the action control televisor of drawing a circle due to use, utilize the information of drawn circle polar angle that the order of transmission is set flexibly, be not subjected to the impact of circle radius, camera frame parameter (fps), user action translational speed and amplitude, thereby make the user when regulating volume, program fluctuation, avoid the repetitive operation to same control command, improved simultaneously control accuracy.
Because circular trace and conventional movement locus have obvious difference, thereby in the volume control procedure of televisor, can reset the at any time position of hand of user, the variation that needn't worry again hand position can cause that the secondary of volume, program changes, and removed the labile factor that " up and down " causes when gesture is controlled.In data handling procedure, adopted by drawing the method for every data after single data analysis, data are processed transmission quantity and are greatly reduced, and calculate also also uncomplicatedly, thereby real-time is stronger, and is user-friendly, more is applicable to practical application.
Embodiment 2
Fig. 2 is the schematic diagram according to the control device of the televisor of first embodiment of the invention, and as shown in Figure 2, the control device of this televisor comprises:
Acquisition module 10, the movement locus point for obtaining moving target fits to curve movement with the movement locus point;
Computing module 20 is for the angle information that calculates movement locus point correspondence on curve movement;
Judge module 30 is used for judging angle information corresponding to the first tracing point of the movement locus point angle information corresponding with the second tracing point in movement locus point whether in same preset range, and wherein, the first tracing point is adjacent with the second tracing point; And
Control module 40 is used for generating steering order when angle information corresponding to the first tracing point angle information corresponding with the second tracing point is not in same preset range, and the control televisor moves.
in this embodiment, the control device of televisor obtains movement destination image from camera by acquisition module, wherein, camera continues to obtain multiple image within a certain period of time to consist of the movement locus of moving target, then, the control device of televisor adopts corresponding fitting algorithm with the algorithm implementation platform, move contrail fitting to be become curve movement, calculate angle information corresponding to each movement locus point on curve movement by computing module, judge that by judge module the angle information of two adjacent tracing points is whether in same preset range, and when angle information corresponding to two tracing points during not in same preset range, by being set, control module generates steering order, the action of control televisor, owing to judging whether to send steering order by angle information, thereby can realize user-friendly purpose.Wherein, above-mentioned angle information can be the polar angle information of movement locus point, and the polar coordinates x axle at the polar angle place that this polar angle information is corresponding is: take the central point of matched curve as initial point, point to the matched curve initial point.In the control device for television set of this embodiment, with the angle information of the movement locus point of moving target as the parameter of controlling televisor, user's gesture motion geometric locus only had in shape requirement, there is no the requirement of sweep, the also not requirement of motion speed, make televisor can better realize the target that the user utilizes gesture to control after adopting this control device, thereby also more convenient user utilize gesture to control televisor.
Embodiment 3
Fig. 3 is the schematic diagram according to the control device of the televisor of second embodiment of the invention.As shown in Figure 3, the control device of the televisor of this embodiment comprises the modules of the control device of televisor in above-described embodiment, and wherein, computing module 20 comprises:
First determines submodule 202, is used for determining the positional information of described movement locus point on described closed curve when described curve movement is closed curve; And
The first calculating sub module 204 is used for polar angle angle information corresponding to movement locus point according to the positional information calculation of described movement locus.
Further, judge module 30 also is used for whether judging polar angle corresponding to described polar angle angle information greater than default polar angle,
Control module 40 also is used for when polar angle corresponding to described polar angle angle information generating described steering order when presetting polar angle.
In this embodiment, require the user to adopt circular gesture when utilizing gesture to control televisor, only the curve movement when moving target is in the situation of circle, determine the positional information of movement locus point on the circular motion curve of circle and the polar angle angle information corresponding according to positional information calculation movement locus point, at last when polar angle during greater than default polar angle, generate steering order, this steering order generating mode directly adopts polar angle, and is simply direct when determining order.Circular gesture is different with conventional action gesture, therefore according to the control device of the televisor of the embodiment of the present invention when obtaining movement objective orbit point, be not easy the gesture work of user's routine is identified as the control gesture, thereby difficult generation maloperation.
Embodiment 4
Fig. 4 is the schematic diagram according to the control device of the televisor of third embodiment of the invention.As shown in Figure 4, the control device of the televisor of this embodiment comprises the modules of the control device of televisor in above-described embodiment 2 or 3, wherein,
Computing module 20 comprises:
The second calculating sub module 208, be used for calculating the first sine and cosine long-pending long-pending with the second sine and cosine, wherein, the long-pending cosine for angle information corresponding to described the first tracing point of described the first sine and cosine is long-pending, and the long-pending sine and cosine for angle information corresponding to described the second tracing point of described the second sine and cosine is long-pending.
Further, judge module 30 comprises:
The first judgement submodule is used for judging whether the symbol that described the first sine and cosine is long-pending and described the second sine and cosine is long-pending is identical,
Control module 40 also is used for generating steering order when the symbol that described the first sine and cosine is long-pending and described the second sine and cosine is long-pending is not identical, controls described televisor action.
In this embodiment, utilized arbitrarily angled sine and cosine to amass at the different mathematical principle of adjacent quadrant symbol, the sine and cosine of calculating polar angle by the second calculating sub module is long-pending, with the variation of the sine and cosine product code of polar angle as sending the foundation of controlling the televisor order, when the sine and cosine product code that determines the polar angle of adjacent track point when the first judgement submodule changes, generate steering order, control described televisor action.Adopt the sine and cosine product code of the polar angle of adjacent track point to change as the foundation that generates order, make user's control accuracy when utilizing gesture to control televisor high, it is more accurate to operate.
Preferably, the second calculating sub module 208 is used for adopting following formula to calculate:
N＝[sin(Q*θ)]*]cos(Q*θ)]
Wherein, described θ is polar angle, and described N is that the sine and cosine of described polar angle is long-pending, and described Q is any real number.
In this embodiment, the corresponding number of times that sends order of the multiple Q of polar angle, Q not simultaneously, the quadrant that plane, polar angle place is divided is different.Fig. 8 a to Fig. 8 b is the gesture plane quadrant distribution schematic diagram according to the embodiment of the present invention, and as shown in Fig. 8 a, Q is 1 o'clock, plane right-angle coordinate is divided into 4 quadrants, namely when a circle of hands movement, the sine and cosine product code of polar angle occurs to become 4 times to be changed, and can realize that a circle sends 4 orders.As shown in Fig. 8 b, Q is 2 o'clock, and plane right-angle coordinate is divided into 8 quadrants, i.e. circle of hands movement, the sine and cosine product code of polar angle occur to become 8 times to be changed, and can realize that a circle sends 8 orders (as, 8 orders that volume adds).
Preferably, the value of Q is 2.
Because if a circle sends 4 orders, when needs send a lot of orders, need to draw a lot of circles; If when a circle sends 16 orders, when needs send small number of commands, less polar angle conversion will cause the generation of order, at this moment, degree of accuracy to operation requires higher, to sum up consider, according to human body displacement characteristics, a circle sends 8 orders can bring the operating experience of the most comfortable to the user.
Preferably, computing module is used for adopting following formula to calculate:
θ＝mod(±X.XXX，1.0)*2π
Wherein, described θ represents polar angle, described ± X.XXX is the positional information of described movement locus point, the direction of motion of the described moving target of described "+" expression is clockwise direction, the direction of motion of the described moving target of described "-" expression is counterclockwise, described ". " integral part before represents described moving target completed number of turns on described curve movement, and described ". " fraction part afterwards represents the position of described moving target on described curve.
In this embodiment, at first the data layout of employing ± X.XXX represents the positional information of movement locus point, can facilitate directional information, historical movement track and the current location information of clearly expressing moving target.The order of the control televisor of the different correspondences of action movement direction is also different, and for the typical control command of televisor, switch the front and back of the size adjustment of corresponding volume and channel respectively.Fig. 7 a to Fig. 7 p is the schematic diagram according to the gesture that is used for the control televisor of the embodiment of the present invention, as shown in Figure 7a, hand is positioned at reference position, then along moving clockwise, move to Fig. 7 d by Fig. 7 a, wherein, hands movement shown in Fig. 7 b is to quadrant, hands movement to two shown in Fig. 7 c/circumference, hands movement to four shown in Fig. 7 d/three circumference, if hand continues when moving to position shown in Fig. 7 a by position shown in Fig. 7 d, to complete week motion along moving clockwise; Fig. 7 e to Fig. 7 l represents the polar angle information in the clockwise motion process of hand, 0.000 expression hand is positioned at reference position as shown in Fig. 7 e, as shown in Fig. 7 f+0.250 the expression carrying out clockwise the 1/4th the circle, as shown in Fig. 7 k+1.500 the expression completed clockwise a circle, be in clockwise second the circle circumference 1/2 place; Fig. 7 m to Fig. 7 q represents the hand process of motion counterclockwise, and as shown in Figure 70, counterclockwise the 7/8th circle is being carried out in-0.875 expression.
Next utilizes the mode of remainder to obtain the position of current tracing point on circumference, then multiply by 2 π, thereby obtains the polar angle size of this tracing point.For example,
The polar angle of+0.125 correspondence: θ=mod (+0.125,1.0) * 2 π=0.125*2 π=π/4=45 °;
The polar angle of+0.375 correspondence: θ=mod (+0.375,1.0) * 2 π=0.375*2 π=3 π/4=135 °.
Preferably, moving target is user's hand.
In this embodiment, realize utilizing the target of the action control televisor of drawing a circle.When moving target is hand, action is more flexible directly, employing is drawn a circle action simply but is different from everyday actions, adopt that the angle sine and cosine is long-pending changes that the control parameter of controlling is single, computing method are easy but stable, be not subjected to individual differences, as the impact of the factors such as big or small speed of drawing a circle, when therefore adopting the control device control televisor of televisor of the present invention, the user is easy to operate, and control accuracy is high.
Embodiment 5
Fig. 5 is the televisor block diagram according to the embodiment of the present invention, and as shown in Figure 5, this televisor comprises: camera is used for catching image; And the control device of televisor, be used for the movement locus point according to the image motion target, the movement locus point is fitted to curve movement; Calculate the angle information of movement locus point correspondence on curve movement; Judge angle information corresponding to the first tracing point in the movement locus point angle information corresponding with the second tracing point in movement locus point whether in same preset range, wherein, the first tracing point is adjacent with the second tracing point; And when angle information corresponding to the first tracing point angle information corresponding with the second tracing point is not in same preset range, generate steering order, the action of control televisor, wherein, camera can be built into the peripheral hardware plug and pull that televisor also can be used as televisor.
Fig. 6 is the control command transmission schematic diagram according to the televisor of the embodiment of the present invention, as shown in Figure 6, at first catch the image of user action by the video sensor assembly, and the information exchanges such as the degree of depth of image, color are crossed USB interface be sent in system for TV set, transfer commands to TV through series of processes by serial line interface and control software in the intelligent object of televisor, this software is placed in the device that utilizes gesture to control televisor, realizes the process of user action control televisor.
For the camera of mentioning in the embodiment of the present invention, can be the webcam IP Camera of using 2D, as the camera of sieve skill or other brands all can, what above camera obtained is plane picture, namely can be exchanged into the XY in plane coordinate system, the image number of pictures per second that obtains is at 15～30 frames.
Preferably, the camera of using in embodiments of the present invention can be the 3D camera of Israel PrimeSense company, the characteristics of this camera are except obtaining common coloured image, also can pass through near-infrared laser perceived depth information, namely can be exchanged into the XYZ in three-dimensional system of coordinate, Z be moving target apart from the distance of camera, the image number of pictures per second with depth information that obtains is 30 frames (follow-up may be higher).
Need to prove, it is the restriction of 2D or 3D and the impact of number of pictures per second that the scheme in the embodiment of the present invention is not subjected to camera, as long as can there be enough pixel analysis to go out moving target and track, just can realize the purpose of controlling.
In this embodiment, adopt for the convenience of the user gesture to control televisor, be provided with the control device of televisor, at first this control device fits to curve movement with the movement locus point of moving target, and then calculate movement locus point corresponding angle information on curve movement, and then generate control command according to the variation of the angle information of adjacent movement locus point and move with the control televisor.Adopt the televisor of this control device, the user does not need repeatedly to move when operation, and is not subjected to the restriction of moving radius and movement velocity, makes user's experience sense when utilizing this televisor of gesture operation better, more convenient.
As can be seen from the above description, the present invention has realized following technique effect: can facilitate the user to utilize gesture to control televisor.
obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in memory storage and be carried out by calculation element, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step being made into the single integrated circuit module realizes.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is only the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. the control method of a televisor, is characterized in that, comprising:
Obtain the movement locus point of moving target, described movement locus point is fitted to curve movement;
Calculate the angle information of described movement locus point correspondence on described curve movement;
Judge angle information corresponding to the first tracing point in the described movement locus point angle information corresponding with the second tracing point in described movement locus point whether in same preset range, wherein, described the first tracing point is adjacent with described the second tracing point; And
When angle information corresponding to described the first tracing point angle information corresponding with described the second tracing point is not in described same preset range, generate steering order, controls described televisor and move,
Wherein, calculating described movement locus point corresponding angle information on described curve movement comprises:
Calculate the first sine and cosine long-pending long-pending with the second sine and cosine, wherein, the long-pending cosine for angle information corresponding to described the first tracing point of described the first sine and cosine is long-pending, and the long-pending sine and cosine for angle information corresponding to described the second tracing point of described the second sine and cosine is long-pending,
Wherein, described the first sine and cosine is long-pending all adopts following formula to calculate with described the second sine and cosine is long-pending:
N＝[sin(Q*θ)]*[cos(Q*θ)]
Wherein, described θ is polar angle, and described N is that the sine and cosine of described polar angle is long-pending, the corresponding number of times that sends order of described Q, described Q not simultaneously, the quadrant that plane, described polar angle place is divided is different.
2. method according to claim 1, is characterized in that,
Judge whether angle information corresponding to the first tracing point angle information corresponding with the second tracing point comprises the judgement of employing following methods in same preset range:
Judge whether the symbol that described the first sine and cosine is long-pending and described the second sine and cosine is long-pending is identical,
When angle information corresponding to described the first tracing point angle information corresponding with described the second tracing point is not in described same preset range, generate steering order, controls described televisor and move and comprise:
When the symbol that described the first sine and cosine is long-pending and described the second sine and cosine is long-pending is not identical, generate steering order, control described televisor action.
3. method according to claim 1, is characterized in that, the value of described Q is 2.
4. the control device of a televisor is characterized in that comprising:
Acquisition module, the movement locus point for obtaining moving target fits to curve movement with described movement locus point;
Computing module is for the angle information that calculates described movement locus point correspondence on described curve movement;
Judge module, be used for judging that angle information corresponding to the first tracing point of the described movement locus point angle information corresponding with the second tracing point in described movement locus point is whether in same preset range, wherein, described the first tracing point is adjacent with described the second tracing point; And
Control module is used for when angle information corresponding to described the first tracing point angle information corresponding with described the second tracing point is not in described same preset range, and the generation steering order is controlled described televisor and moved,
Wherein, described computing module comprises:
The second calculating sub module, be used for calculating the first sine and cosine long-pending long-pending with the second sine and cosine, wherein, the long-pending cosine for angle information corresponding to described the first tracing point of described the first sine and cosine is long-pending, the long-pending sine and cosine for angle information corresponding to described the second tracing point of described the second sine and cosine is long-pending
Wherein, described the second calculating sub module is used for adopting following formula to calculate:
N＝[sin(Q*θ)]*[cos(Q*θ)]
Wherein, described θ is polar angle, and described N is that the sine and cosine of described polar angle is long-pending, the corresponding number of times that sends order of described Q, described Q not simultaneously, the quadrant that plane, described polar angle place is divided is different.
5. device according to claim 4, is characterized in that,
Described judge module comprises:
The first judgement submodule is used for judging whether the symbol that described the first sine and cosine is long-pending and described the second sine and cosine is long-pending is identical,
Described control module also is used for generating steering order when the symbol that described the first sine and cosine is long-pending and described the second sine and cosine is long-pending is not identical, controls described televisor action.
6. device according to claim 4, is characterized in that, the value of described Q is 2.
7. televisor is characterized in that comprising:
Camera is used for catching image; And
The control device of televisor is used for the movement locus point according to described image motion target, and described movement locus point is fitted to curve movement; Calculate the angle information of described movement locus point correspondence on described curve movement; Judge angle information corresponding to the first tracing point in the described movement locus point angle information corresponding with the second tracing point in described movement locus point whether in same preset range, wherein, described the first tracing point is adjacent with described the second tracing point; And when angle information corresponding to described the first tracing point angle information corresponding with the second tracing point is not in described same preset range, generate steering order, controls described televisor and moves,
Wherein, calculating described movement locus point corresponding angle information on described curve movement comprises:
Calculate the first sine and cosine long-pending long-pending with the second sine and cosine, wherein, the long-pending cosine for angle information corresponding to described the first tracing point of described the first sine and cosine is long-pending, and the long-pending sine and cosine for angle information corresponding to described the second tracing point of described the second sine and cosine is long-pending,
Wherein, described the first sine and cosine is long-pending all adopts following formula to calculate with described the second sine and cosine is long-pending:
N＝[sin(Q*θ)]*[cos(Q*θ)]
Wherein, described θ is polar angle, and described N is that the sine and cosine of described polar angle is long-pending, the corresponding number of times that sends order of described Q, described Q not simultaneously, the quadrant that plane, described polar angle place is divided is different.
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| CN104143075A (en) * | 2013-05-08 | 2014-11-12 | 光宝科技股份有限公司 | Gesture judging method applied to electronic device |
| CN103955274B (en) * | 2014-04-21 | 2017-09-01 | 小米科技有限责任公司 | Application control method and apparatus |
| CN103955275B (en) * | 2014-04-21 | 2017-07-14 | 小米科技有限责任公司 | Application control method and apparatus |
| CN105929961B (en) * | 2016-04-29 | 2018-11-13 | 广东美的制冷设备有限公司 | Infrared hand gesture detecting device, infrared gesture detecting method and household electrical appliance |
| CN106095080B (en) * | 2016-05-31 | 2019-09-03 | 广东美的制冷设备有限公司 | Parameter regulation means, device and equipment based on infrared gesture |
| CN107229921A (en) * | 2017-06-09 | 2017-10-03 | 济南大学 | Dynamic gesture identification method based on Hausdorff distances |
| CN109819342B (en) * | 2017-11-22 | 2022-01-11 | 腾讯科技（深圳）有限公司 | Barrage content control method and device, computer equipment and storage medium |
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| CN101729808A (en) * | 2008-10-14 | 2010-06-09 | Tcl集团股份有限公司 | Remote control method for television and system for remotely controlling television by same |
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