CN101452349A - Cursor controller on image display apparatus, method and image system - Google Patents
Cursor controller on image display apparatus, method and image system Download PDFInfo
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Abstract
The invention provides a cursor control device for an image display device. The cursor control device comprises a first sensing device, a second sensing device and a switching device. The first sensing device detects the first displacement of the cursor control device relative to the surface, and the first coordinate change of the cursor on the image display device is worked out according to the first displacement; the second sensing device senses an article and detects the second displacement of the cursor control device relative to the article, and the second coordinate change of the cursor on the image display device is worked out according to the second displacement; and the switching device selects to output the first coordinate change or the second coordinate change. The invention also provides a cursor control method and an imaging system for the image display device.
Description
Technical field
The present invention relates to cursor control device, method and image system on a kind of image display, the present invention is by utilizing a kind of handover mechanism, and the cursor control on the image display is carried out in realization in two ways.
Background technology
Existing image display, computer screen for example, can handle inductor (optical navigation sensor) by utilizing optics, mouse for example, according to different time institute picked image, and relatively the correlativity of different time institute pick-up image is handled inductor displacement in the plane to judge optics, thereby control the action of cursor on the image display (cursor) relatively.If the user wants to carry out for example gunslinging recreation on image display, then must purchase cursor positioner in addition, No. the 267754th, Taiwan patent disclosed a kind of " photography index device " for example, described photography index device is provided with control circuit, and described control circuit is connected with video camera, computing unit and communication interface respectively; Described communication interface is connected to main frame, and the place ahead of described video camera is provided with filter, and the display screen of described image display is provided with a plurality of light-emitting components that can supply video camera to take; When the user uses described photography index device to carry out the performed program of described main frame, can utilize described video camera to take described display screen, and because of described video camera is provided with filter, can be with the light source filtering beyond the optical source wavelength that described light-emitting component sent, so the light source of described light-emitting component only can appear in the captured picture of described video camera, utilize described computing unit to calculate the coordinate figure of the aiming point of video camera in the described picture again, and be sent to described main frame, make described main frame can utilize this coordinate figure to carry out the cursor control of described image display.
Yet on reality was used, because the installing index device not only can increase cost in addition, and described index device also had the problem that need tidy up in addition when not using.For these reasons, still be necessary further to improve the cursor control device and the method for above-mentioned existing image display really, to increase the practicality of image display.
Summary of the invention
One object of the present invention is to provide cursor control device and the cursor control method on a kind of image display, described apparatus and method are by a kind of handover mechanism, and can make the action of controlling the cursor on the image display in two ways, thereby increase the practicality of image display.
Another object of the present invention is to provide a kind of image system, and described system is combined in two kinds of control modes in the cursor control device, thus simplified system architecture and reducing cost.
In order to achieve the above object, the invention provides the cursor control device on a kind of image display, described device comprises first sensing apparatus, second sensing apparatus and switching device shifter.Described first sensing apparatus calculates first changes in coordinates of the cursor on the described image display in order to detect first amount of movement of described cursor control device with respect to the surface according to described first amount of movement; Described second sensing apparatus is in order to sensing article, and detects second amount of movement of described cursor control device with respect to described object, calculates second changes in coordinates of the cursor on the described image display according to described second amount of movement; Described switching device shifter is in order to select described first changes in coordinates of output or to select described second changes in coordinates of output.
According to another characteristics of the present invention, the present invention also provides a kind of image system, and described system comprises image display, at least one object, cursor control device and coordinate processor.Described image display has screen in order to the show image picture, and shows cursor on the described image frame.Described cursor control device comprises first sensing apparatus in order to detecting first amount of movement of described cursor control device with respect to the surface, and calculates first changes in coordinates of described cursor according to described first amount of movement; Second sensing apparatus in order to the described object of sensing and detect second amount of movement of described cursor control device with respect to described object, calculates second changes in coordinates of described cursor according to described second amount of movement; Switching device shifter is in order to select described first changes in coordinates of output or to select described second changes in coordinates of output; And the transmission interface unit is in order to transmit first or second changes in coordinates of the selected output of described switching device shifter.Described coordinate processor is in order to receive first or second changes in coordinates that described transmission interface unit is transmitted, and with the coordinate of described first or second changes in coordinates, so that cursor control device can be controlled the action of cursor on described screen relatively in conjunction with cursor on the described image display.
According to another characteristics of the present invention, the present invention also provides the cursor control method on a kind of image display, and described method comprises the following step: cursor control device is provided, and described cursor control device has first sensing apparatus and second sensing apparatus; Detect first amount of movement of cursor control device by described first sensing apparatus, and calculate first changes in coordinates of the cursor on the described image display according to described first amount of movement with respect to the surface; By the described second sensing device senses object, and the detecting cursor control device calculates second changes in coordinates of the cursor on the described image display with respect to second amount of movement of described object according to described second amount of movement; And decision is exported described first changes in coordinates or is exported described second changes in coordinates.
According to another characteristics of the present invention, the present invention also provides the cursor control method on a kind of image display, and described method comprises the following step: cursor control device is provided, and described cursor control device has first sensing apparatus and second sensing apparatus; Detect first amount of movement of cursor control device by described first sensing apparatus, and calculate first changes in coordinates of the cursor on the described image display according to described first amount of movement with respect to the surface; Judge whether to export described first changes in coordinates, if select described first changes in coordinates of output; And by object of described second sensing device senses, and the detecting cursor control device is with respect to second amount of movement of described object, calculate second changes in coordinates of the cursor on the described image display according to described second amount of movement, select described second changes in coordinates of output.
Cursor control device on the image display of the present invention and cursor control method can be applicable to the cursor control on the various image displays, for example: the cursor control on computer screen, game machine screen or the projection screen, the user can use wherein a kind of control image display of two kinds of control methods, thereby effectively improves the practicality of image display.
Description of drawings
Fig. 1 a is the synoptic diagram of the image system of the embodiment of the invention;
Fig. 1 b is another synoptic diagram of the image system of the embodiment of the invention;
Fig. 2 is the synoptic diagram of the cursor control device of first embodiment of the invention;
Fig. 3 is the calcspar of the cursor control device of first embodiment of the invention;
Fig. 4 is the process flow diagram of the cursor control method of first embodiment of the invention;
Fig. 5 a is the image pixel synoptic diagram of first picture frame of first sensor institute sensing of the cursor control device of the embodiment of the invention;
Fig. 5 b is the image pixel synoptic diagram of second picture frame of first sensor institute sensing of the cursor control device of the embodiment of the invention;
Fig. 6 calculates the process flow diagram of second changes in coordinates for second sensor of the cursor control device of the embodiment of the invention;
Fig. 7 a is the synoptic diagram of image of second sensor institute sensing article of the cursor control device of the embodiment of the invention;
Fig. 7 b is another synoptic diagram of image of second sensor institute sensing article of the cursor control device of the embodiment of the invention, and wherein said second sensor is rotation θ angle when operation;
Fig. 8 is that second sensor of cursor control device of the embodiment of the invention is at the synoptic diagram of the image of distance object different distance time institute sensing article;
Fig. 9 is the synoptic diagram that second sensor of the cursor control device of the embodiment of the invention points to the image of diverse location time institute sensing article;
Figure 10 is the calcspar of the cursor control device of second embodiment of the invention;
Figure 11 is the process flow diagram of the cursor control method of second embodiment of the invention;
Figure 12 has shown that the image brilliance of one dimension sensing array of first sensor of the cursor control device of the embodiment of the invention has the height fluctuations;
Figure 13 is the synoptic diagram of the cursor control device of another embodiment of the present invention;
Figure 14 is the synoptic diagram of the cursor control device of another embodiment of the present invention.
The main element symbol description
1 image system, 2 image displays
20 screens, 21 cursors
22,24,26 objects, 3 cursor control devices
300 housings, 30 first sensing apparatus
302 light sources, 304 first sensors
306 first processing units, 308 lens
31 second sensing apparatus, 312 optical filterings
314 second sensors, 316 second processing units
318 lens, 32 switching device shifters
33 storage unit, 34 transmission interface unit
35 processing units, 37 spin
810 first picture frames, 820 second picture frames
1000～7100 step v
i, u
jPixel
But A sensing range S surface
L, 1 object image distance Δ S image position changes
i
22, i
24Object image coordinate U
1, U
2Last crest
D
1, D
2Following crest M, the m edge pixel
D, d object image average coordinates and sensing array central point distance
I
22, I
24, I
22', I
24', I
22", I
24", I
22" ', I
24" ' the object image
(X
0, Y
0), (X, Y) object image center coordinate
Embodiment
In order to allow above-mentioned and other purposes of the present invention, feature and the advantage can be more obvious, hereinafter listed the embodiment of the invention especially, and conjunction with figs. be made detailed description.In addition, in the description of this instructions, similar elements is represented with identical numbering.
Please refer to shown in Fig. 1 a and Fig. 1 b, Fig. 1 a and Fig. 1 b have shown the image system 1 according to the embodiment of the invention, and described system has image display 2 and cursor control device 3.The embodiment of described image display 2 comprises computer screen, game machine screen, projection screen and any other device in order to the show image picture; With respect to described image display 2, the embodiment of described cursor control device 3 comprises mouse apparatus and game control device etc., and described cursor control device 3 can place surperficial S to go up and move, for example mouse pad, desktop etc., as shown in Figure 1a, thus control the action of cursor on the described image display 2 relatively; In addition, described cursor control device 3 also can be gripped by user's (not shown), shown in Fig. 1 b, thereby carries out the location and the control of the cursor 21 on the described image display 2.Described cursor control device 3 can be selected to be connected on the described image display 2 in wired or wireless mode.
Described image display 2 has the screen 20 in order to the show image picture, preferably has cursor 21 on the described screen 20, described cursor 21 can allow the user control the setting or the show state of described image display 2, for example controls display setting or the game settings and the operation of described image display 2 by application software (software) such as user interface (user interface) or interfaces.By being built in the coordinate processor (not shown) in the described image display 2 in can be optionally, the changes in coordinates of described cursor control device 3 cursor 21 of trying to achieve that calculates is incorporated into the coordinate of cursor 21 and is presented on the picture, thereby control the action of cursor 21 relatively.Be provided with reference to object 26 near the screen 20 of described image display 2, describedly can be light source, for example by light source that at least one light emitting diode rearranged with reference to object 26; Though described in this embodiment object 26 is shown as circle, it only is a kind of embodiment, and described object 26 can also be other different shapes; In another embodiment, can show with reference to object 22,24 in the screen 20 of described image display 2, described can be with reference to object for continuing to be presented in the described screen 20 and can not influencing the figure of a kind of given shape that picture shows, for example in the drawings the corner of picture shown be two star- like objects 22,24, can also be shown as other arbitrary shapes in other embodiments or in other positions.In other embodiments, described object 26 can also optionally be arranged near the described image display 2, but not combination thereon.The reference point of described object 22,24 and 26 during as described cursor 21 location and control, detailed description will be described in following paragraph.
Please refer to Fig. 2 and shown in Figure 3, Fig. 2 and Fig. 3 have shown synoptic diagram and the calcspar according to the cursor control device 3 of first embodiment of the invention respectively, described cursor control device 3 comprises housing 300, is provided with first sensing apparatus 30, second sensing apparatus 31, switching device shifter 32, storage unit 33 and transmission interface unit 34 in the described housing 300.Described first sensing apparatus 30 is in order to detect first amount of movement of described mark control device 3 with respect to surperficial S, and calculate first changes in coordinates of cursor 21 according to described first amount of movement, described first sensing apparatus is sent to described coordinate processor by described transmission interface unit 34 in wireless or wired mode and the coordinate of cursor 21 on the combining screen 20, thereby controls the demonstration and the setting of described image display 2 relatively; Described second sensing apparatus 31 is in order to described object 26 of sensing or object 22,24, and detecting cursor control device 3 is with respect to second amount of movement of described object 22,24 or 26, calculate second changes in coordinates of cursor 21 according to described second amount of movement, equally be sent to described coordinate processor in wireless or wired mode and the coordinate of cursor 21 on the combining screen 20, thereby control the demonstration and the setting of described image display 2 relatively by described transmission interface unit 34; Wherein can temporarily be stored in the described storage unit 33 at the various parameters of calculating described first changes in coordinates and the second changes in coordinates process and described first coordinate and second changes in coordinates.Described switching device shifter 32 is in order to switching between described first sensing apparatus 30 and described second sensing apparatus 31, described switching device shifter 32 can make the user select to utilize described first sensing apparatus 30 and described second sensing apparatus 31 one of them controls the demonstration and the setting of image display 2; The embodiment of described switching device shifter 32 comprises pushbutton switch, mercury cut-off, acceleration inductor (G-sensor), photoinduction switch, resistance pressure sensing type switch, electric capacity pressure sensing type switch and other available switchgears of selecting the purpose of one of them with realization between the two.
Please refer to Fig. 2, Fig. 3 and shown in Figure 4, Fig. 4 has shown the process flow diagram according to the cursor control method on the image display 2 of the embodiment of the invention, described cursor control method comprises the following steps: by first amount of movement of described first sensing apparatus, 31 detecting cursor control devices 3 with respect to surperficial S, and calculates first changes in coordinates of the cursor 21 on the image display 2 according to described first amount of movement; Judge whether to export described first changes in coordinates, if select described first changes in coordinates of output; And by the described object 22,24 or 26 of described second sensing apparatus, 30 sensings, and detecting cursor control device 3 is with respect to second amount of movement of described object 22,24 or 26, calculate second changes in coordinates of the cursor 21 on the image display 2 according to described second amount of movement, and select described second changes in coordinates of output; Wherein, judge whether whether the embodiment of exporting described first changes in coordinates can be subjected to triggering realizing by judging described switching device shifter 32.For example described switching device shifter 32 is a pressure switch, then leaves surperficial S and when triggering described pressure switch, then judges described second changes in coordinates of output when cursor control device 3; Otherwise, when described cursor control device 3 does not leave surperficial S, then judge described first changes in coordinates of output.So this is a kind of embodiment only, is not in order to restriction the present invention.
Referring again to Fig. 2 and Fig. 3, in first embodiment, described first sensing apparatus 30 comprises light source 302, first sensor 304, first processing unit 306 and lens 308.Described light source 302 is via the hole illuminated surface S of described housing 300 belows, and the embodiment of described light source 302 comprises light emitting diode and laser diode, for example can be infrared light light emitting diode or infrared light laser diode; The embodiment of described first sensor 304 comprises charge coupled cell image sensor (CCD image sensor), complementary metal oxide semiconductor (CMOS) image sensor (CMOS image sensor) and other any image sensor, at least two picture frames of first image that described first sensor 304 is reflected in order to the described surperficial S of continuous acquisition; Described first processing unit 306 changes according to the image of described first image between picture frame and calculates first amount of movement of cursor control device 3 with respect to surperficial S, and calculates first changes in coordinates of cursor 21 according to described first amount of movement; Described lens 308 are arranged on the place ahead of described first sensor 304, in order to increasing the light receiving efficiency of first sensor 304, yet when the light receiving efficiency of described first sensor 304 is enough, described lens 308 might not be set.
Please refer to shown in Fig. 2, Fig. 3, Fig. 5 a and Fig. 5 b, below enumerate a kind of in order to calculate a kind of embodiment of described first amount of movement.At first utilize first picture frame 810 and second picture frame 820 of the surperficial S of described first sensor, 304 acquisitions, described first picture frame 810 has a plurality of image pixel u
1, u
2..., u
r, u
R+1..., u
R * s, each pixel is u
i, i=1 to r * s wherein, described image pixel comprises coordinate information and strength information at least, shown in Fig. 5 a; Described second picture frame 820 has a plurality of image pixel v
1, v
2..., v
m, v
M+1..., v
M * n, each same pixel is v
j, j=1 to m * n wherein, described image pixel comprises coordinate information and strength information at least, shown in Fig. 5 b.Mobile estimating device (for example described first processing unit 306) determines the action of second picture frame 820 with respect to first picture frame 810, the maximal value of the probability density function (probability density function) of described mobile estimating device by calculating 820 of described first picture frame 810 and described second picture frames is with the decision action parameter, the maximal value of described action parameter for trying to achieve according to conditional probability (conditionalprobability) function in the Bayes' theorem (Bayes ' theorem) is with as the relative action of described second image frame 820 with respect to described first image frame 810.Detailed content please refer to No. the 11/420715th, the U.S. Patent application that the applicant holds jointly, and title is " utilizing maximum probability to estimate the device and method of relative action ".Mandatory declaration be, the above account form of enumerating only is a kind of embodiment, be not in order to restriction the present invention, any can be in order to calculating the neither disengaging of the device spirit of the present invention of the rate of travel of described control device 3 on surperficial S, the embodiment of described first sensing apparatus 30 comprises that optical mouse and optics handles inductor (optical navigation sensor) etc.
Referring again to Fig. 1 a, Fig. 1 b, Fig. 2 and shown in Figure 3, described second sensing apparatus 31 of first embodiment comprises light filter 312, second sensor 314, second processing unit 316 and lens 318.The embodiment of described second sensor 314 comprises CCD image sensor, CMOS image sensor and other any image sensor, and described second sensor 314 also captures at least two picture frames of the image of described object continuously in order to the described object 22,24 of sensing or 26; Described second processing unit 316 calculates the variation of image between picture frame of described object, thereby calculates second amount of movement of described cursor control device with respect to described object 22,24 or 26, calculates second changes in coordinates of cursor 21 according to described second amount of movement.Described light filter 312 is in order to the spectrum beyond the default spectrum of filtering, the embodiment of described light filter 312 can be infrared light light filter (IR filter), described default spectrum for example can be infrared spectrum, so that described second sensor 314 only receives the light signal from described object 22,24 or 26, thereby simplify the image identification program.Described lens 318 are arranged on the place ahead of described second sensor 314, in order to increasing the light receiving efficiency of described second sensor 314, yet when the light receiving efficiency of described second sensor 314 is enough, described lens 318 might not be set.In addition, scrutablely be, for make described second sensor 314 can sensing from the light signal of described object 22,24 or 26, it is made that the place ahead part of described housing 300 is preferably light-transmitting materials.
Please refer to Fig. 1 b, Fig. 2, Fig. 3 and Fig. 6 to shown in Figure 9, below enumerate a kind of in order to calculate a kind of embodiment of described second changes in coordinates, described method comprises the following step: provide at least two articles producing default spectrum, and define preset range (step 1000); Provide sensor to point in the described preset range (step 2000); Utilize described sensor to receive described default spectrum to form digital image (step 3000); Judge the image space and the shape of the described object on the described digital image, and produce first parameter (step 4000); Carry out distance and angle compensation (step 5000) at described first parameter; In described preset range, move the sensing position of described sensor, and produce second parameter (step 6000); And according to described first parameter after the compensation and the displacement of the described object image space on the described digital image of described second calculation of parameter changes in coordinates (step 7000) with relative calculating cursor; Wherein, in step 7000, carry out distance and angle compensation (step 7100) at described second parameter simultaneously.
Described cursor control device 3 is before dispatching from the factory, preferably be set with in described storage unit 33 in advance and be preset to image position parameter and default image-forming range parameter, described parameter captures the default object image I of described object 22,24 in the time of can be for described sensor (for example second sensor 314) described object 22,24 predeterminable ranges of distance (for example 3 meters)
22And I
24The parameter preset of being tried to achieve, shown in Fig. 7 a, thereby the benchmark during as follow-up distance and angle compensation, being preset to the image position parameter and presetting the image-forming range parameter of setting can be illustrated in according in the formed plane space coordinate system of the sensing array of described second sensor 314, the center "+" of for example setting sensing array is the formed plane coordinate system of initial point, and sensing array described herein is represented with 7 * 7 pel array.For example: the described image position parameter that is preset to can be formed default image I by the described object 22 and 24 in the described plane space coordinate system
22And I
24Centre coordinate (X
0, Y
0); Described default image-forming range parameter can be formed default image I by described object 22 and 24
22And I
24Between distance L and image I
22And I
24The center and the distance D of described central point "+".
Suppose that at first described object 22,24 produces default spectral signal, for example described in the present embodiment default spectral signal is the infrared light spectrum signal, and the area of supposing described object 22 is bigger than the area of described object 24, like this according to the angular field of view of described second sensor 314 and the lighting angle of described object 22,24, but then can around described object 22,24, determine sensing range " A " (step 1000); Then, but second sensor 314 of described cursor control device 3 is pointed to described sensing range " A " interior any one (step 2000), because the place ahead of second sensor 314 used in the present invention is provided with light filter 312, therefore only form the digital image (step 3000) of described object 22,24 on the sensing array of described second sensor 314, the I shown in Fig. 7 a
22' and I
24', and when hypothesis was utilized the described digital image of described cursor control device 3 acquisitions in the present embodiment, described cursor control device 3 was along the rotation of the direction of arrow (clockwise direction) shown in Fig. 1 b θ angle, the imaging I of described like this object
22' and I
24' object image the I that takes the photograph at aforementioned predeterminable range with second sensor 314
22And I
24Between then can produce the deviation of the θ anglec of rotation relatively, therefore cause described object image I
22' and I
24' centre coordinate (X, Y) with default object image I
22And I
24Centre coordinate (X
0, Y
0), though the image that is absorbed when pointing to same positions for described second sensor 314 has different coordinates.
After described digital image signal was transferred into described second processing unit 316, described second processing unit 316 was judged described object image I
22' and I
24' position and shape, and produce the first image space parameter, the first image-forming range parameter and imaging form parameter (step 4000).316 of described second processing units are according to the described first image space parameter (for example described object image I
22' and I
24' centre coordinate and the angle of inclination of line) with described image position parameter (for example described default object image I that is preset to
22And I
24With and the angle of inclination of line) between angular deviation θ carry out angle compensation (step 5000), the mode of its compensation realizes by (1) formula:
Wherein, θ represents described first image space parameter and the described anglec of rotation deviation that is preset between the parameter of image position, X, Y represent the centre coordinate of the preceding described first image space parameter of angle compensation, and X ', Y ' (not shown) represent to compensate the centre coordinate of the described object image space parameter in back.Therefore, the image that described object 22,24 after compensation is become is the position for being tried to achieve under same benchmark then, just the user is when described object 22, the 24 same distances of distance are made a video recording, and described second image sensor 314 can both obtain identical result when operating with any anglec of rotation.
But, if described misalignment angle θ forms object image I greater than 180 degree
22" and I
24" time, shown in Fig. 7 b, if described object image I
22, I
24Between do not have an otherness (having identical size and shape), can't judge described object image I
22" and I
24" be by described object image I
22' and I
24' (Fig. 7 a) rotates and forms, or by described object image I
22' and I
24' translation forms.Therefore the present invention is by using the two articles 22,24 of different area, and imaging form parameter (for example area size of object image) the described object 22,24 of first identification of being tried to achieve according to described second processing unit 316 become each position of image, and then carry out angle compensation.Therefore, even the anglec of rotation of described second image sensor 314 surpasses 180 degree, still can correctly carry out the calculating of second changes in coordinates of described cursor 21.
Please refer to shown in Figure 8ly, Fig. 8 has shown the mode of present embodiment middle distance compensation.When second image sensor 314 of utilizing described cursor control device 3 captures the image of described objects 22 and 24, when if described cursor control device 3 and described object 22 and 24 s' distance strengthens gradually, described second image sensor, 314 obtained images then can diminish gradually, and the centre coordinate between image then can be healed near the center "+" of image sensing array, but being representative of consumer, this kind skew do not changed the sensing position of cursor control device 3, therefore at the centre coordinate (X of the imaging of calculating described object 22 and 24, Y) time, then can form erroneous judgement, then may not take place to judge situation by accident for moving horizontally because of the change of camera distance if it is not proofreaied and correct.In this embodiment, suppose that described default image-forming range parameter is L, the centre coordinate (X of imaging
0, Y
0) and the center "+" of sensing array between distance be D; The described first image-forming range parameter is 1, and the distance among the centre coordinate of imaging and the sensing array between the heart "+" is d, so can utilize the proportionate relationship of following (2) formula, the deviation (step 5000) that compensation is caused because of the camera distance difference:
Please refer to shown in Figure 9ly, the image space of supposing described object is i after having compensated
22And i
24, described i
22And i
24Be the parameter of under default benchmark, being tried to achieve, but then in sensing range " A ", move the sensing position (step 6000) of described cursor control device 3,314 of described second image sensor continue the digital image signal that it sensed is sent to described second processing unit 316 at this moment, 316 of described second processing units produce second parameter according to described digital image signal, and described parameter comprises second image space parameter and the second image-forming range parameter of described object 22,24 on described digital image behind the sensing position of moving second sensor 314.The described second image space parameter can be illustrated on the formed plane space of sensing array of described second sensor 314, is the formed plane space of initial point with the sensing array center for example, the centre coordinate of image that described object becomes; The described second image-forming range parameter can form distance between image for object described in second sensor, the 314 formed plane spaces.316 of described second processing units calculate described object image i continuously according to the first image space parameter and second parameter after the described compensation
22And i
24Displacement Δ S (second amount of movement), and when calculating, must utilize above-mentioned compensation way to continue to carry out angle and range deviation is done compensation (step 7100) at described second parameter, change in the hope of correct cursor coordinates, because the compensation way of second parameter is identical with first parameter, repeats no more in this.The detailed content of calculating described second changes in coordinates please refer to the Taiwan patented claim held jointly by the applicant No. 095149408, and title is " cursor control method and use the device of this method ".Mandatory declaration be, more than the account form enumerated only be a kind of embodiment, be not in order to restriction the present invention, any neither disengaging of method spirit of the present invention of trying to achieve second changes in coordinates of described cursor control device 3 in order to calculating.
Please refer to shown in Figure 10, Figure 10 has shown the calcspar according to the cursor control device 3 of second embodiment of the invention, and described cursor control device 3 comprises first sensing apparatus 30, second sensing apparatus 31, switching device shifter 32, storage unit 33, transmission interface unit 34 and processing unit 35.The difference of second embodiment and first embodiment is, the user selects to utilize described first sensing apparatus 30 and described second sensing apparatus 31 one of them controls the mode of the cursor 21 of described image display 2 in a second embodiment, described mode for by described processing unit 35 earlier by after the image analysing computer, control described switching device shifter 32 selections again and utilize described first sensing apparatus 30 and described second sensing apparatus 31 one of them exports first or second changes in coordinates of cursors 21.
Please refer to shown in Figure 11, Figure 11 has shown the cursor control method according to the image display 2 of present embodiment, described method comprises the following step: detect first amount of movement of described cursor control device 3 with respect to surperficial S by described first sensing apparatus 30, and calculate first changes in coordinates of the cursor 21 on the image display 2 according to described first amount of movement; By the described object 22,24 or 26 of described second sensing apparatus, 31 sensings, and detect second amount of movement of described cursor control device 3 with respect to described object 22,24 or 26, calculate second changes in coordinates of the cursor 21 on the described image display 2 according to described second amount of movement; And decision is exported described first changes in coordinates or is exported described second changes in coordinates; Wherein a kind of in order to described first changes in coordinates of decision output or the mode of exporting described second changes in coordinates for to be undertaken by the mode of image analysing computer, for example when described second sensing apparatus 31 sensed the image of described object 22,24 or 26, the described switching device shifter 32 of 35 controls of described processing unit was selected second changes in coordinates of described second sensing apparatus, 31 output cursors 21.In addition, described first sensing apparatus 30 comprises light source 302, first sensor 304 and lens 308 equally; Described second sensing apparatus 31 comprises optical filtering 312, second sensor 314 and lens 318 equally.
Please refer to Figure 10 and shown in Figure 12, Figure 10 and Figure 12 have shown the mode of the image quality of 304 sensings of a kind of described processing unit 35 described first sensors of analysis in the present embodiment, the image brilliance that has shown the one dimension sensing array of described first sensor 304 among the figure has the height fluctuations, and just image brilliance has at least one brightness crest.The quality of described one dimension image can be by the crest decision of image brilliance, and its medium wave peak is defined as follows:
Last crest: in the one dimension pixel of image frame, have the brightness of this pixel of brightness ratio of its both sides pixel of pixel to a certain degree little, the brightness of then judging this pixel is one and goes up crest, example U1, U2 as shown in the figure 12.
Following crest: in the one dimension pixel of image frame, have its both sides pixel of pixel this pixel of brightness ratio brightness greatly to a certain degree, the brightness of then judging this pixel is a following crest, as shown in the figure 12 D1, D2 of example.
In the one dimension pixel of image frame, even the brightness maximal value of edge pixel, example M as shown in the figure 12 is not judged as crest yet; Even the brightness minimum value of edge pixel, example m as shown in the figure 12 is not judged as down crest yet.The number of the number of last crest or following crest can be the crest number of one dimension pixel, when the crest number of one dimension pixel is counted greater than critical crest, the crest number that then defines the one dimension pixel meets the requirements, and scrutable is that critical crest number is different with different sensing array sizes.
After optical mouse (for example first sensor 304) runs through a bidimensional image, just calculated the crest number of a bidimensional image, the crest number of a bidimensional image picture whether decide on user demand by satisfactory definition, can be to have at least an one-row pixels or a row pixel to meet the requirements, or each row pixel all meets the requirements, or each row pixel all meets the requirements, and judges that then this bidimensional image picture meets the requirements, and is a good image frame; Otherwise judging that this bidimensional image picture is undesirable, is a bad picture.Described processing unit 35 is then controlled first changes in coordinates that described switching device shifter 32 is selected described first sensor, 304 output cursors 21 when the image of judging 304 sensings of described first sensor during for good picture; When the image of judging 304 sensings of described first sensor is bad picture, then control second changes in coordinates that described switching device shifter 32 is selected described second sensor, 314 output cursors 21.The relevant detailed content of declaring 304 sensing image qualities of described first sensor please refer to the Taiwan patent held jointly by the applicant No. 526662, and title is " a kind of method of instant judgement image quality ".Mandatory declaration be, the above judgment mode of enumerating only is a kind of embodiment, be not in order to restriction the present invention, any in order to analyzing the state of 304 sensing images of described first sensor, and make described processing unit 35 control the neither disengaging of the mode spirit of the present invention that described switching device shifter 32 is selected described first changes in coordinates of output or second changes in coordinates according to its image analysing computer result.
Please refer to shown in Figure 13, Figure 13 has shown the image control device 3 of the another kind of embodiment of the present invention, wherein said first sensing apparatus 30 is the roller type mouse, in order to detecting described first amount of movement of described image control device 3, and calculate first changes in coordinates of cursor 21 according to described first amount of movement with respect to surperficial S.Described roller type mouse is arranged on spin 37 inboard, below of housing 300, and X-axis and Y-axis positions by described spin 37 are provided with the roller (not shown) respectively, spin 37 is rolled drive two rollers by described housing 300 and produce relatively rotating of two-dimensional axial, and then generation two-dimensional coordinate position signalling, thereby produce first changes in coordinates, on screen 20, to move relative to control cursor 21.In addition, be provided with described second sensing apparatus 31 in the described housing 300 equally, described second sensing apparatus 31 comprises light filter 312, second sensor 314 and lens 318, and the explanation in the function of described element and action and the above-mentioned paragraph is similar, repeats no more in this.
Please refer to shown in Figure 14, Figure 14 has shown according to the present invention the image control device 3 of another kind of embodiment, wherein said first sensing apparatus 30 is another kind of roller type mouse, in order to detecting first amount of movement of described image control device 3, and calculate first changes in coordinates of cursor 21 according to described first amount of movement with respect to surperficial S.Described first sensing apparatus 30 comprises light source 302, spin 37, first sensor 304 and lens 308, and wherein said light source 302 can be laser diode; Described image control device 3 utilizes the sphere of the described spin 37 of rayed that described light source 302 sends, described first sensor, 304 sensings are from the laser of described spin 37 spheric reflections, described first sensor 304 can sense the laser light reflected interference image when described spin moves, to its analyze with judge described spin 37 spheres and described surperficial S relatively move direction and the distance in the hope of described first changes in coordinates.In addition, be provided with described second sensing apparatus 31 in the housing 300 equally, described second sensing apparatus 31 comprises light filter 312, second sensor 314 and lens 318, and the explanation in the function of described element and action and the above-mentioned paragraph is similar, repeats no more in this.
In sum, because existing image display must be purchased cursor positioner in addition when carrying out for example gunslinging recreation, thereby has the problem that increases cost and system complexity.Utilize the cursor control device (shown in Fig. 1 a and Fig. 1 b) on the image display of the present invention, described device utilizes handover mechanism and can make demonstration and the setting of controlling image display in two ways, the user need not purchase a cover system in addition, and the effect that can reach simplified system and reduce cost.
Though the present invention is disclosed by aforesaid preferred embodiment, yet described embodiment is not in order to limit the present invention, any the technical staff in the technical field of the invention without departing from the spirit and scope of the present invention, should make various changes and modification.Therefore protection scope of the present invention should be as the criterion with the scope that appending claims was defined.
Claims (47)
1, the cursor control device on a kind of image display is characterized in that, described cursor control device comprises:
First sensing apparatus in order to detect first amount of movement of described cursor control device with respect to the surface, calculates first changes in coordinates of the cursor on the described image display according to described first amount of movement;
Second sensing apparatus in order to sensing article, and is detected second amount of movement of described cursor control device with respect to described object, calculates second changes in coordinates of the cursor on the described image display according to described second amount of movement; And
Switching device shifter is in order to select described first changes in coordinates of output or to select described second changes in coordinates of output.
2, cursor control device according to claim 1 is characterized in that, described cursor control device also comprises storage unit, in order to temporary described first changes in coordinates and described second changes in coordinates.
3, cursor control device according to claim 1 is characterized in that, described cursor control device also comprises the transmission interface unit, is sent to described image display in order to described first changes in coordinates or second changes in coordinates that will export.
4, cursor control device according to claim 3 is characterized in that, described transmission interface unit is wire transmission interface or wireless transmission interface.
5, cursor control device according to claim 1 is characterized in that, described cursor control device also comprises processing unit, in order to calculate described first changes in coordinates and second changes in coordinates.
6, cursor control device according to claim 5 is characterized in that, described first sensing apparatus comprises:
Light source is in order to illuminate described surface to form first image; And
First sensor is in order to capture at least two picture frames of described first image that reflects on described surface;
Wherein, described processing unit according to described first image variation between picture frame calculate first amount of movement of described cursor control device with respect to described surface, and calculate first changes in coordinates of the cursor on the described image display according to described first amount of movement.
7, cursor control device according to claim 6 is characterized in that, described first sensing apparatus is that optical mouse or optics are handled inductor.
8, cursor control device according to claim 6 is characterized in that, described light source is light emitting diode or laser diode.
9, cursor control device according to claim 8 is characterized in that, described light emitting diode is the infrared light light emitting diode; Described laser diode is the infrared light laser diode.
10, cursor control device according to claim 6 is characterized in that, described first sensing apparatus also comprises lens, and described lens are arranged on the place ahead of described first sensor, in order to promote the light receiving efficiency of described first sensor.
11, cursor control device according to claim 6 is characterized in that, described first sensor is CMOS image sensor or CCD image sensor.
12, cursor control device according to claim 6, it is characterized in that the image analysing computer result of the picture frame of first image that described processing unit is captured according to described first sensor controls described switching device shifter and selects described first changes in coordinates of output or select described second changes in coordinates of output.
13, cursor control device according to claim 6, it is characterized in that the brightness peak number of the picture frame of described first image that described processing unit is captured according to described first sensor is controlled described switching device shifter and selected described first changes in coordinates of output or select described second changes in coordinates of output.
14, cursor control device according to claim 5 is characterized in that, described second sensing apparatus comprises:
Second sensor is in order to the described object of sensing and continuous at least two picture frames that capture the image of described object;
Wherein, described processing unit calculates second amount of movement of described cursor control device with respect to described object according to the variation of image between picture frame of described object, and calculates second changes in coordinates of the cursor on the described image display according to described second amount of movement.
15, cursor control device according to claim 14 is characterized in that, described second sensing apparatus also comprises lens, is arranged on the place ahead of described second sensor, in order to promote the light receiving efficiency of described second sensor.
16, cursor control device according to claim 14 is characterized in that, described second sensing apparatus also comprises optical filtering, is arranged on the place ahead of described second sensor, in order to the spectrum beyond the default spectrum of filtering.
17, cursor control device according to claim 16 is characterized in that, described optical filtering is the infrared light optical filtering, and described default spectrum is infrared light spectrum.
18, cursor control device according to claim 14 is characterized in that, described second sensor is CMOS image sensor or CCD image sensor.
19, cursor control device according to claim 14 is characterized in that, when described second sensor sensed the image of described object, described processing unit was controlled described switching device shifter and selected described second changes in coordinates of output.
20, cursor control device according to claim 1, it is characterized in that described switching device shifter is wherein one in the group that is made up of pushbutton switch, mercury cut-off, acceleration inductor, photoinduction switch, resistance pressure sensing type switch or electric capacity pressure sensing type switch.
21, cursor control device according to claim 1 is characterized in that, described first sensing apparatus is the roller type mouse.
22, cursor control device according to claim 1 is characterized in that, described first sensing apparatus comprises:
Light source is in order to illuminate described surface to form first image;
First sensor, at least two picture frames of described first image that is reflected in order to the described surface of continuous acquisition; And
First processing unit, first amount of movement of described cursor control device with respect to described surface calculated in the variation between picture frame according to described first image, and calculates first changes in coordinates of the cursor on the described image display according to described first amount of movement.
23, cursor control device according to claim 1 is characterized in that, described second sensing apparatus comprises:
Second sensor is in order to the described object of sensing and continuous at least two picture frames that capture the image of described object; And
Second processing unit calculates second amount of movement of described cursor control device with respect to described object according to the variation of image between picture frame of described object, and calculates second changes in coordinates of the cursor on the described image display according to described second amount of movement.
24, a kind of image system is characterized in that, described system comprises:
Image display, described device comprises screen, in order to the show image picture, and shows cursor on the described image frame;
At least one object;
Cursor control device comprises:
First sensing apparatus in order to detecting first amount of movement of described cursor control device with respect to the surface, and calculates first changes in coordinates of described cursor according to described first amount of movement;
Second sensing apparatus in order to the described object of sensing, and is detected second amount of movement of described cursor control device with respect to described object, calculates second changes in coordinates of described cursor according to described second amount of movement;
Switching device shifter is in order to select described first changes in coordinates of output or to select described second changes in coordinates of output; And
The transmission interface unit is in order to transmit described first changes in coordinates or second changes in coordinates of the selected output of described switching device shifter; And
The coordinate processor, in order to receive described first changes in coordinates or second changes in coordinates that described transmission interface unit is transmitted, and described first changes in coordinates or second changes in coordinates be incorporated into the coordinate of described the above cursor of image display, so that described cursor control device can be controlled the action of described cursor on described screen relatively.
25, image system according to claim 24 is characterized in that, described image display is wherein one in the group that is made up of computer screen, projection screen and game machine screen.
26, image system according to claim 24 is characterized in that, described cursor control device is mouse or game control device.
27, image system according to claim 24 is characterized in that, described object is rearranged by at least one light source.
28, image system according to claim 27 is characterized in that, described light source is a light emitting diode.
29, image system according to claim 24 is characterized in that, described object is arranged on the screen periphery of described image display.
30, image system according to claim 24 is characterized in that, described object is the figure of given shape shown on the screen of described image display.
31, image system according to claim 24 is characterized in that, be built in the described image display in the described coordinate processor, and the transmission interface unit of described cursor control device is connected to described coordinate processor in wireless or wired mode.
32, image system according to claim 24 is characterized in that, described cursor control device also comprises processing unit, in order to calculate described first coordinate and second changes in coordinates.
33, the cursor control method on a kind of image display, described method comprises the following step:
Cursor control device is provided, and described cursor control device has first sensing apparatus and second sensing apparatus;
Detect first amount of movement of described cursor control device by described first sensing apparatus, and calculate first changes in coordinates of the cursor on the described image display according to described first amount of movement with respect to the surface;
By the described second sensing device senses object, and detect second amount of movement of described cursor control device, calculate second changes in coordinates of the cursor on the described image display according to described second amount of movement with respect to described object; And
Decision is exported described first changes in coordinates or is exported described second changes in coordinates.
34, cursor control method according to claim 33, described method also comprises the following step:
Described first changes in coordinates or second changes in coordinates that transmit output arrive described image display.
35, cursor control method according to claim 33 is characterized in that, in the step of calculating described first changes in coordinates, described step comprises the following step:
Illuminate described surface to form first image;
Capture at least two picture frames of described first image that reflects on described surface continuously; And
First amount of movement of described cursor control device with respect to described surface calculated in variation between picture frame according to described first image, and calculates first changes in coordinates of the cursor on the described image display according to described first amount of movement.
36, cursor control method according to claim 35 is characterized in that, according to the image analysing computer result of the picture frame of described first image that is captured, with decision described first changes in coordinates of output or export described second changes in coordinates.
37, cursor control method according to claim 35 is characterized in that, according to the brightness peak number of the picture frame that calculates described first image that is captured, exports described first changes in coordinates or exports described second changes in coordinates with decision.
38, cursor control method according to claim 33 is characterized in that, when described second sensing device senses arrives the image of described object, and described second changes in coordinates of decision output.
39, cursor control method according to claim 33 is characterized in that, in the step of calculating described second changes in coordinates, described step comprises the following step:
At least two picture frames of the image of described object of sensing and the described object of continuous acquisition; And
Calculate second amount of movement of described cursor control device according to the variation of image between picture frame of described object, and calculate second changes in coordinates of the cursor on the described image display according to described second amount of movement with respect to described object.
40, cursor control method according to claim 33, it is characterized in that, described object is in order to produce the light source of default spectrum, the step of calculating described second changes in coordinates also comprises the following step: the spectrum beyond the described default spectrum of filtering, so that described second sensing apparatus only can receive the spectral signal that described object produces.
41, the cursor control method on a kind of image display, described method comprises the following step:
Cursor control device is provided, and described cursor control device has first sensing apparatus and second sensing apparatus;
Detect first amount of movement of described cursor control device by described first sensing apparatus, and calculate first changes in coordinates of the cursor on the described image display according to described first amount of movement with respect to the surface;
Judge whether to export described first changes in coordinates, if then select described first changes in coordinates of output; And
By the described second sensing device senses object, and detect second amount of movement of described cursor control device with respect to described object, calculate second changes in coordinates of the cursor on the described image display according to described second amount of movement, select described second changes in coordinates of output.
According to the described cursor control method of claim 41, it is characterized in that 42, in the step of calculating described first changes in coordinates, described step comprises the following step:
Illuminate described surface to form first image;
Capture two picture frame at least of described first image that reflects on described surface continuously; And
Change according to the image of described first image between picture frame and to calculate first amount of movement of described cursor control device, and calculate first changes in coordinates of the cursor on the described image display according to described first amount of movement with respect to described surface.
According to the described cursor control method of claim 42, it is characterized in that 43, the method that judges whether to export described first changes in coordinates is whether the brightness peak number of picture frame of described first image that calculating captured is greater than preset number.
44, according to the described cursor control method of claim 41, it is characterized in that, judge whether to export the method for described first changes in coordinates for judging whether switching device shifter is triggered.
According to the described cursor control method of claim 41, it is characterized in that 45, in the step of calculating described second changes in coordinates, described step comprises the following step:
At least two picture frames of the image of described object of sensing and the described object of continuous acquisition; And
Calculate second amount of movement of described cursor control device according to the variation of image between picture frame of described object, and calculate second changes in coordinates of the cursor on the described image display according to described second amount of movement with respect to described object.
46, according to the described cursor control method of claim 41, it is characterized in that, described object is in order to produce the light source of default spectrum, the step of calculating described second changes in coordinates also comprises the following step: the spectrum beyond the described default spectrum of filtering, so that the spectral signal that described second sensing apparatus only can the described object of sensing be produced.
According to the described cursor control method of claim 41, it is characterized in that 47, described method also comprises the following step: described first coordinate or second changes in coordinates that transmit output arrive described image display.
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| CN2007101877896A CN101452349B (en) | 2007-11-30 | 2007-11-30 | Cursor controller on image display apparatus, method and image system |
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| CN102830856A (en) * | 2012-08-03 | 2012-12-19 | 圆展科技股份有限公司 | Control panel, operating method thereof and electronic device |
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| CN101004646A (en) * | 2006-01-18 | 2007-07-25 | 吴东辉 | Hand held type mouse |
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| KR101407793B1 (en) * | 2009-10-14 | 2014-07-02 | 지티이 코포레이션 | Remote radio unit |
| CN102984565A (en) * | 2011-06-17 | 2013-03-20 | 致伸科技股份有限公司 | Multi-dimensional remote controller with multiple input mode and method for generating TV input command |
| CN103207705A (en) * | 2011-12-22 | 2013-07-17 | 原相科技股份有限公司 | Movable sensing device and movable sensing method |
| CN102830856A (en) * | 2012-08-03 | 2012-12-19 | 圆展科技股份有限公司 | Control panel, operating method thereof and electronic device |
| CN104331212A (en) * | 2013-07-22 | 2015-02-04 | 原相科技股份有限公司 | Cursor positioning method of handheld pointing device |
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