CN102375533A - Cursor control method - Google Patents
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- CN102375533A CN102375533A CN201010259428XA CN201010259428A CN102375533A CN 102375533 A CN102375533 A CN 102375533A CN 201010259428X A CN201010259428X A CN 201010259428XA CN 201010259428 A CN201010259428 A CN 201010259428A CN 102375533 A CN102375533 A CN 102375533A
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Abstract
The invention discloses a cursor control method, which comprises the steps of: defining three characteristic points of a moving piece; sensing parameter change of the three characteristic points between two time points; and correspondingly moving a cursor according to the parameter change.
Description
Technical field
The present invention is a kind of vernier (Cursor) control method, refers to the vernier control method of three unique points of a kind of detecting in the parameter variation of two time points especially.
Background technology
The mouse of various types on the market become the man-computer interface communication of various electronic products an indispensable part, at present traditionally, the roller of roller type mouse is after rolling, it is dirty and be damaged to be stained with sticking desktop easily; Optical mouse then is just to go up and can't sensitive respond at certain some kind desktop (like glass desk-top); The above two kinds of conventional mouse, just can't react directly, at a high speed, delicately on the principle user to screen on vernier want the indication assigned.
The great to be solved problem relevant with mouse of touching upon again: the mobile indication that (1) conventional mouse can't the immediate reaction user be assigned vernier on the screen, this problem is to cause great inconvenience in the operation for the high computer of immediate reaction demand.Like the shooting game with first person viewpoint is example, and the player must be with the visual field of brain desired screen demonstration, and via manual control mouse moving by the side of, so response time will increase, also ten minutes is inconvenient; On the other hand, the actual visual field promptly causes the player in the process of playing games with manually work also can't be synchronous fully easily, feels dizzy gradually, can produce the spinoff that impairs one's health unavoidably.(2) with regard to notebook computer (NB); It is convenient that its advantage is to make every effort to; But the Trackpad (touch pad) of control screen vernier very inconvenience in the use on the notebook computer so that most of notebook computer user can buy a mouse in addition, the desktop area of working required this moment will be again much larger than the area of notebook computer; And in narrow space, use NB; For example on the seat of the vehicles such as aircraft, can't use that mouse of other purchase at all, make notebook computer lose its convenience.The prior art that had before addressed the above problem is following:
The characteristics of prior art: be to utilize a software and focus on the direction watched attentively through two above video cameras with identification user eyes in solid space, make that vernier promptly moves according to the eye gaze direction on the screen, for example united states (us) 7,572, the 008B2 patent.And the shortcoming of this type of prior art with popularize former because: (1) this prior art needs two above high-res video cameras, could be in three dimensions identification this very trickle eyeball of video camera action is rotated, so the cost of total system is high; And this design is unfavorable for the application on small-size computers such as mobile phone, PDA very much.(2) in three dimensions the focus of user's eyes and head rotation, move and to cause focus all very complicated towards the calculating that changes commentaries on classics; The also unusual hardware resource of power consumption brain; Not only be unfavorable for application at small-size computer; Also possibly be unfavorable on the low to medium price level PC, using, therefore be difficult for popularizing.(3) move as if the focus of vernier, might cause vernier just to stop user's sight line, also can bring inconvenience with user's sight line.
Therefore; How to improve need that two very trickle eyeballs of above high-res video camera identifications action rotate, very complicacy and vernier have stopped the problems such as inconvenience of user's sight line to focus towards the calculating that changes commentaries on classics; After the inventor experimentizes, tests and studies; Finally obtain a kind of vernier control method; Except effective solution needs two high-res video cameras, calculates the shortcomings such as ten minutes complicacy and vernier block vision, also can obtain to make the screen vernier can reach the effect of user's indication " immediately ".That is the problem that solves of institute of the present invention desire is the unique point that how to overcome the user and fails the problem that suitably defines; And make software promptly to carry out identification according to this user's unique point; And how to overcome the problem of doing the ratio variation of the two ends imaging length of level when rotating at head, how about overcome at head and make the vertical problem that the ratio of vertical form images length and horizontal imaging length changes when moving etc.
Summary of the invention
The present invention is a kind of vernier control method, comprises three unique points that define a moving part, detects these three unique points and changes in a parameter of two time points, and change to move this vernier accordingly according to this parameter.
The preferably; This method utilizes a software and a video camera to carry out a mouse operation and control, and this method more comprises one first image and one second image that obtains this 2 time point point, and this parameter changes and comprises the one first horizontal ratio that calculates this first image and one second horizontal ratio of this second image; This method comprises the relatively numerical values recited of this first horizontal ratio and this second horizontal ratio; Make that wherein this moving part is a user to carry out this mouse operation and control, these three unique points are positioned at this user's a privileged site; This privileged site is a head; This head comprises a face, and this face has a right eye right-hand member one left eye left end, and the central point of a upper lip, and this right eye right-hand member, this left eye left end, and the central point of this upper lip be respectively one first, 1 second and 1 the 3rd unique point.
The preferably; Second image of this method is one to have level to the image that moves; These three unique points form a triangle; And this video camera picks out the right-hand member imaging length of this first and the 3rd unique point and the left end imaging length of this second and the 3rd unique point, and this right-hand member imaging length is formed images length to calculate this first horizontal ratio or this second horizontal ratio divided by this left end.
Certainly; This method more comprises when calculating the moment that this first horizontal ratio is greater than or less than this second horizontal ratio; Promptly can begin to make this vernier court Centromedian the right of one screen or the left side to move; When a horizontal difference of this first horizontal ratio and this second horizontal ratio heals when big, one of this vernier moves horizontally speed also can be accelerated simultaneously.
Certainly; Second image of this method can have vertically to the image that moves for one; And the parallel intersection point of definition between this right eye right-hand member and this left eye left end; It is vertical that wherein the line of the central point of this parallel intersection point and this upper lip is parallel to a screen; And the vertical imaging length that this video camera picks out this parallel intersection point and the 3rd unique point with this first and a horizontal imaging length of this second unique point, and will be somebody's turn to do the length that vertically forms images divided by this horizontal imaging length with the one first vertical ratio that calculates this first image or one second vertical ratio of this second image.
The preferably; This method more comprises when this video camera picks out this right eye right-hand member of this second image and this right eye right-hand member that this left eye left end is higher than this first image and this left eye left end; Calculate the moment of this first vertical ratio at the same time greater than this second vertical ratio; Promptly begin to make this vernier to move towards the Centromedian top of a screen; And when this video camera picks out this right eye right-hand member of this second image and this right eye right-hand member that this left eye left end is lower than this first image and this left eye left end, calculate at the same time this first vertical ratio less than or greater than moment of this second vertical ratio, promptly begin to make this vernier to move towards the Centromedian below of a screen; And this first vertical ratio and a vertical difference of this second vertical ratio heal when big, and a vertical moving speed of this vernier also can be accelerated simultaneously; This method more comprises an Ins key and a del key of specifying on the keyboard digital dish, in order to represent a left mouse button and a right mouse button respectively; When this vernier moves to that a screen is upper and lower, when a left side or left frame, up and down promptly, a left side or the right scrolling one screen page; Ctrl on pressing this keyboard and this software recognize this head when swinging up or down, and promptly the original position with preceding this vernier of pressing this Ctrl is a central point, carry out the amplification of a screen picture or dwindle.
Again according to the viewpoint of a major technique; The present invention can be contained a kind of vernier control method, comprises a specific action of identification one moving part, calculates a duration of this specific action; And when this duration reaches a threshold value, promptly trigger a steering order.
The preferably; This method utilizes a software and a video camera to carry out a mouse operation and control, and wherein this specific action is for closing a left eye or a right eye, and this steering order is a left button or the right button that is equivalent to click an entity mouse; Make to carry out this mouse operation and control; And this threshold value is 0.1 second, and when blinking simultaneously eyes, this soft carrying is that interpretation is an invalid signals.
If from another feasible angle, the present invention is a kind of vernier control method, comprises a quick acting of identification one moving part, calculates this QA duration, and when this duration during less than a threshold value, promptly triggers a steering order.
Certainly; This method can utilize a software and a video camera to carry out this steering order; This steering order is for carrying out the function of skipping, and this method is used for a touch-control product, and this touch-control product is an iPad, an iPod or an iPhone; Wherein this quick acting is quick rotation one head; And this threshold value is 0.1 second, and when this head rotates to the right, left, up or down in this threshold value and makes a vernier exceed a screen frame to the right, left, up or down by screen central authorities, this function of skipping is to the right, left, one page of conversion up or down.
The present invention is via the explanation of above-mentioned conception; Can find out the vernier control method that is used; Fruit can utilize three unique points of definition one moving part; Change in a parameter of two time points and detect these three unique points, and have this right-hand member imaging length of utilization divided by this left end imaging length to calculate the characteristic of this first horizontal ratio.In order to be easy to explanation, the present invention must be by following preferred embodiment and diagram and clearer.
Description of drawings
Fig. 1 is the front schematic view of preferred embodiment of three unique points of vernier control method of the present invention;
Fig. 2 is the schematic top plan view of the flat image behind the input video camera of three unique points among Fig. 1;
Fig. 3 is the schematic top plan view of the flat image behind the input video camera of face's three unique points when turning right;
Fig. 4 is the front schematic view of the flat image behind the input video camera of three unique points among Fig. 1;
Fig. 5 is the front schematic view of the flat image behind the input video camera of face's three unique points when facing upward; And
Fig. 6 is the front schematic view of the flat image behind the input video camera of face's three unique points when bowing downwards.
[main element symbol description]
X: right eye right-hand member Y: left eye left end
Z: the central point Z ' of upper lip: parallel intersection point
PI1: the flat image that first image is appeared
ND: from the forward of face's central point of user
PI2: the flat image that second image is appeared
Embodiment
See also Fig. 1; The present invention is a kind of vernier control method; Or be called the control method of non-entity mouse, be to utilize a software and a video camera to carry out a mouse operation and control, with the swing of software through image identification user health privileged site; Need not pass through the entity mouse, just can directly control screen upper reaches target and move; This method comprises three unique point X, Y, the Z that defines a user; And with the parallel intersection point Z ' of this software definition Z; Though this software can't be by the length of learning XY, XZ, YZ, ZZ ' among Fig. 1, the ratio between can knowledge, this moment, leg-of-mutton three length of sides were XY, XZ and YZ.See also Fig. 2; It is a synoptic diagram of overlooking three facial unique point X of this user, Y, Z from this user top; This method comprises one first image that obtains behind three unique point X, Y, this video camera of Z input, and three unique point X among the flat image PI1 that is appeared according to this first image
1, Y
1, Z
1' (press, overlook flat image point behind Z and these 2 input video cameras of Z ' from this user top all at Z
1' the position) do the ratio computing, and as shown in Figure 3, when face turns right, obtain one second image behind three unique point X, Y, this video camera of Z input, and three unique point X among the flat image PI2 that is appeared according to this second image
2, Y
2, Z
2' do the ratio computing, and arrow ND promptly represents the forward of face's central point of user, this method also comprises the one first horizontal ratio X of calculating this first image
1Z
1'/Y
1Z
1' and one second horizontal ratio X of this second image
2Z
2'/Y
2Z
2', and compare the first horizontal ratio X
1Z
1'/Y
1Z
1' and the second horizontal ratio X
2Z
2'/Y
2Z
2' numerical values recited, move horizontally a vernier (cursor) according to this accordingly, make to carry out this mouse operation and control.
Method of the present invention makes the screen vernier can reach user's indication " immediately ".Three obvious characteristic point X, Y, Z are positioned at this user's a privileged site; This privileged site is a head; This head comprises a face; And this face has a right eye right-hand member one left eye left end, and the central point of a upper lip, and this right eye right-hand member, this left eye left end, and the central point of this upper lip be respectively one first, 1 second and 1 the 3rd unique point X, Y, Z.Again with this software definition, when between one first image of XY, XZ, YZ, ZZ ' and one second image for this reason during original scale, vernier still is positioned at the screen centre; So when the user moves forward and backward; Although cause XY, XZ, YZ, four lines of ZZ ' actual computation length in image to change, but during the constant rate between four, vernier is still at same position; That is on behalf of slider position, an Atria limit etc. need not move when ratio is amplified.This second image can have a level to the image that moves for one, and these three unique points form a triangle, and pick out the first and the 3rd unique point X, the Z right-hand member imaging length X in this first image by this video camera
1Z
1' with the left end of second and third unique point Y, Z imaging length Y
1Z
1', and with the right-hand member length X that forms images
1Z
1' divided by left end imaging length Y
1Z
1' to calculate the first horizontal ratio X
1Z
1'/Y
1Z
1'.
In like manner, this video camera also can pick out the right-hand member imaging length X in the first and the 3rd unique point X, second image when Z turns right in face
2Z
2' with the left end of second and third unique point Y, Z imaging length Y
2Z
2', and calculate the second horizontal ratio X according to this
2Z
2'/Y
2Z
2', and obviously, X
2Z
2'/Y
2Z
2'＜X
1Z
1'/Y
1Z
1'.When calculating the first horizontal ratio X
1Z
1'/Y
1Z
1' be greater than or less than the second horizontal ratio X
2Z
2'/Y
2Z
2' moment; Promptly begin to make this vernier court Centromedian the right of one screen or the left side to move (that is turning to of the moving direction of vernier and user's face is same edge); When a horizontal difference of this first horizontal ratio and this second horizontal ratio heals when big, one of this vernier moves horizontally speed also can be accelerated simultaneously.
See also Fig. 4, the parallel intersection point Z ' of definition between right eye right-hand member X and left eye left end Y, it is vertical that the line of wherein parallel intersection point Z ' and the central point Z of upper lip is parallel to a screen; When the user faced screen, this first image on the plane that this user X, Y, Z, 4 original positions of Z ' demonstrate through this video camera identification was X
1, Y
1, Z
1, Z
1', and definition four lines this moment are respectively X
1Y
1, X
1Z
1, Y
1Z
1, Z
1Z
1'; See also Fig. 5, this second image can have vertically to the image that moves for one, and this video camera picks out the parallel intersection point Z of this first image
1' and the 3rd unique point Z
1A vertical imaging length Z
1Z
1' with first and second unique point X
1, Y
1A horizontal imaging length X
1Y
1, and will be somebody's turn to do vertical imaging length divided by this horizontal imaging length to calculate one first vertical ratio Z of this first image
1Z
1'/X
1Y
1, in like manner, this video camera also can pick out among Fig. 5 the parallel intersection point Z when second image of user face when facing upward
3' and the 3rd unique point Z
3A vertical imaging length Z
3Z
3' with first and second unique point X
3, Y
3A horizontal imaging length X
3Y
3, to calculate one second vertical ratio Z of this second image
3Z
3'/X
3Y
3
Pick out the right eye right-hand member X of this second image when this video camera
3And left eye left end Y
3The right eye right-hand member X that is higher than this first image
1And left eye left end Y
1The time, calculate the moment of this first vertical ratio at the same time greater than this second vertical ratio, promptly begin to make this vernier to move towards the Centromedian top of a screen.See also Fig. 6, when this video camera picks out the right eye right-hand member X of this second image when user face bows downwards
4And left eye left end Y
4Be lower than the right eye right-hand member X of this first image
1And left eye left end Y
1The time; Calculate at the same time this first vertical ratio less than or greater than moment of this second vertical ratio (because this moment the bridge of the nose by tilting to become vertical; So this first vertical ratio might be less than this second vertical ratio); Promptly begin to make this vernier to move towards the Centromedian below of a screen, and this first vertical ratio and a vertical difference of this second vertical ratio heal when big, a vertical moving speed of this vernier also can be accelerated simultaneously; Fig. 3 middle reaches target moves horizontally the various combinations with Fig. 5 middle reaches target vertical moving again, can cause the vernier " immediately " on the screen to move towards the indicated direction of user.
This method more comprises an Ins key and a del key of specifying on the keyboard digital dish, in order to represent a left mouse button and a right mouse button respectively; When this vernier moves to that a screen is upper and lower, when a left side or left frame, up and down promptly, a left side or the right scrolling one screen page; Ctrl on pressing this keyboard and this software recognize this head when swinging up or down, and promptly the original position with preceding this vernier of pressing this Ctrl is a central point, carry out the amplification of a screen picture or dwindle.The present invention only needs a cost extremely low, and general notebook computer promptly has the video camera of outfit, very simple and easy, the software that hardware resource requirements is low of the present invention of arranging in pairs or groups, and just instead conventional mouse reaches the effect of index on the instant control screen.This invention practicality is high, can replace all existing mouse related systems on the market at once.
Again according to the viewpoint of a major technique; The present invention can be contained a kind of vernier control method, comprises a specific action of identification one moving part, calculates a duration of this specific action; And when this duration reaches a threshold value (for example: 0.1 second), promptly trigger a steering order.Certainly; The method of this moment can utilize a software and a video camera to carry out a mouse operation and control, and wherein this specific action is for closing a left eye or a right eye, and this steering order is a left button or the right button that is equivalent to click an entity mouse; Make to carry out this mouse operation and control; And this threshold value is 0.1 second, and when blinking simultaneously eyes, this software is that interpretation is an invalid signals.
If from another feasible angle; The present invention is a kind of vernier control method, comprises a quick acting of identification one moving part, calculates this QA duration; And, promptly trigger a steering order when this duration during less than a threshold value (for example: 0.1 second).Certainly; The method of this moment can utilize a software and a video camera to carry out this steering order; This steering order is for carrying out the function of skipping, and this method is used for a touch-control product, and this touch-control product is an iPad, an iPod or an iPhone; Wherein this quick acting is quick rotation one head; And this threshold value is 0.1 second, and when this head rotates to the right, left, up or down in this threshold value and makes a vernier exceed a screen frame to the right, left, up or down by screen central authorities, this function of skipping is to the right, left, one page of conversion up or down.
In sum; The present invention really can be with a brand-new design; Three unique points by definition one moving part; Change in a parameter of two time points and can detect these three unique points, and this right-hand member imaging length of being used really can be obtained the effect that calculates this first horizontal ratio divided by this left end imaging length.So all the technical staff in the technical field of the invention, De Renshi craftsman thinks and is to modify as all, right neither take off such as attached claims desire Protector.
Claims (10)
1. a vernier (cursor) control method is characterized in that, comprising:
Define three unique points of a moving part;
Detecting these three unique points changes in a parameter of two time points; And
Change to move this vernier accordingly according to this parameter.
2. the method for claim 1 is characterized in that, utilizes a software and a video camera to carry out a mouse operation and control; This method more comprises one first image and one second image that obtains this 2 time point point; This parameter changes and comprises that the one first horizontal ratio that calculates this first image and one second horizontal ratio of this second image, this method comprise the relatively numerical values recited of this first horizontal ratio and this second horizontal ratio, and is feasible to carry out this mouse operation and control; Wherein this moving part is a user; These three unique points are positioned at this user's a privileged site, and this privileged site is a head, and this head comprises a face; And this face has a right eye right-hand member one left eye left end, and the central point of a upper lip, and this right eye right-hand member, this left eye left end, and the central point of this upper lip be respectively one first, 1 second and 1 the 3rd unique point.
3. method as claimed in claim 2; It is characterized in that; This second image is one to have level to the image that moves; These three unique points form a triangle, and this video camera picks out the right-hand member imaging length of this first and the 3rd unique point and the left end imaging length of this second and the 3rd unique point, and this right-hand member imaging length is formed images length to calculate this first horizontal ratio or this second horizontal ratio divided by this left end.
4. method as claimed in claim 3; It is characterized in that; More comprise when calculating the moment that this first horizontal ratio is greater than or less than this second horizontal ratio; Promptly begin to make this vernier towards the Centromedian the right of a screen or the left side move, when a horizontal difference of this first horizontal ratio and this second horizontal ratio heals when big, one of this vernier moves horizontally speed also can be accelerated simultaneously.
5. method as claimed in claim 2; It is characterized in that; This second image is one to have vertically to the image that moves; And the parallel intersection point of definition between this right eye right-hand member and this left eye left end; It is vertical that wherein the line of the central point of this parallel intersection point and this upper lip is parallel to a screen, and the vertical imaging length that this video camera picks out this parallel intersection point and the 3rd unique point with this first and a horizontal imaging length of this second unique point, and will be somebody's turn to do the length that vertically forms images divided by this horizontal imaging length with the one first vertical ratio that calculates this first image or one second vertical ratio of this second image.
6. method as claimed in claim 5; It is characterized in that; More comprise when this video camera picks out this right eye right-hand member of this second image and this right eye right-hand member that this left eye left end is higher than this first image and this left eye left end; Calculate the moment of this first vertical ratio at the same time, promptly begin to make this vernier to move towards the Centromedian top of a screen greater than this second vertical ratio, and when this video camera picks out this right eye right-hand member of this second image and this right eye right-hand member that this left eye left end is lower than this first image and this left eye left end; Calculate at the same time this first vertical ratio less than or greater than moment of this second vertical ratio; Promptly begin to make this vernier to move towards the Centromedian below of a screen, and this first vertical ratio and a vertical difference of this second vertical ratio heal when big, a vertical moving speed of this vernier also can be accelerated simultaneously; This method more comprises an Ins key and a del key of specifying on the keyboard digital dish, in order to represent a left mouse button and a right mouse button respectively; When this vernier moves to that a screen is upper and lower, when a left side or left frame, up and down promptly, a left side or the right scrolling one screen page; Ctrl on pressing this keyboard and this software recognize this head when swinging up or down, and promptly the original position with preceding this vernier of pressing this Ctrl is a central point, carry out the amplification of a screen picture or dwindle.
7. a vernier control method is characterized in that, comprising:
One specific action of identification one moving part;
Calculate a duration of this specific action; And
When this duration reaches a threshold value, promptly trigger a steering order.
8. method as claimed in claim 7 is characterized in that, utilizes a software and a video camera to carry out a mouse operation and control; Wherein this specific action is for closing a left eye or a right eye; This steering order is a left button or the right button that is equivalent to click an entity mouse, make carrying out this mouse operation and control, and this threshold value is 0.1 second; When blinking simultaneously eyes, this soft carrying is that interpretation is an invalid signals.
9. a vernier control method is characterized in that, comprising:
One quick acting of identification one moving part;
Calculate this QA duration; And
When this duration during, promptly trigger a steering order less than a threshold value.
10. method as claimed in claim 9; It is characterized in that, utilize a software and a video camera carrying out this steering order, this steering order is for carrying out the function of skipping; This method is used for a touch-control product; This touch-control product is an iPad, an iPod or an iPhone, and wherein this quick acting is quick rotation one head, and this threshold value is 0.1 second; And when this head rotated to the right, left, up or down in this threshold value and makes a vernier exceed a screen frame to the right, left, up or down by screen central authorities, this function of skipping was to the right, left, one page of conversion up or down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010259428XA CN102375533A (en) | 2010-08-19 | 2010-08-19 | Cursor control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010259428XA CN102375533A (en) | 2010-08-19 | 2010-08-19 | Cursor control method |
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| Publication Number | Publication Date |
|---|---|
| CN102375533A true CN102375533A (en) | 2012-03-14 |
Family
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|---|---|---|---|
| CN201010259428XA Pending CN102375533A (en) | 2010-08-19 | 2010-08-19 | Cursor control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390862A (en) * | 2012-12-18 | 2017-11-24 | 原相科技股份有限公司 | Electronic apparatus control method and electronic installation |
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| CN101135945A (en) * | 2007-09-20 | 2008-03-05 | 苏勇 | Head-controlled mouse |
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2010
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| CN101561710A (en) * | 2009-05-19 | 2009-10-21 | 重庆大学 | Man-machine interaction method based on estimation of human face posture |
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Application publication date: 20120314 |