CN105739792A - Touch object feature identification method, and touch screen operation method and device - Google Patents
Touch object feature identification method, and touch screen operation method and device Download PDFInfo
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- CN105739792A CN105739792A CN201610046475.3A CN201610046475A CN105739792A CN 105739792 A CN105739792 A CN 105739792A CN 201610046475 A CN201610046475 A CN 201610046475A CN 105739792 A CN105739792 A CN 105739792A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
Abstract
The invention discloses a touch object feature identification method, which comprises the following steps: when the touch operation of at least one touch object on a touch screen is responded, starting the infrared double photoelectric tubes of the touch screen for scanning to obtain the information of blocked ray between the infrared double photoelectric tubes; identifying at least one true touch point, and recording the position coordinate of each true touch position; collecting the current image of the touch screen, and extracting the characteristic and the characteristic position of each touch object in the current image; and matching the position coordinate of each true touch point with each characteristic position one by one so as to determine touch object characteristics corresponding to each true touch position. The invention also provides a touch object characteristic identification device, and a touch screen operation method and device. The embodiment of the invention can be adopted to realize the identification of different characteristics of a plurality of touch objects, and is high in reliability and wide in applicability.
Description
Technical field
The present invention relates to touch screen technology field, particularly relate to a kind of touch objects characteristic recognition method, operating method of touch panel and device.
Background technology
In the application of interactive touch-screen, typically require use the felt pen of different characteristic (including color, shape, size etc.) to carry out writing, the touch operation such as mark, then, in the different characteristic touching display screen display felt pen, so that touch operation has more intuitive.
Such as, when writing or mark Show Color, existing solution mainly has following several ways: one is by there being the color software-color picker selecting function to realize: user is by clicking color selection box, eject the dialog box inquiring multiple different colours, user in dialog box, select appropriate color；When there being multiple felt pen, for distinguishing multiple point touching color, it is necessary to arrange a color picker for each felt pen；Two is one pencil box equipped with many felt pens of hardware configuration, and by infrared induction technology identification, the situation of taking of current touch pen can be returned to touch screen by pencil box, then the touch operation of this felt pen is demarcated as the color of correspondence.Inventor have found that above two solution has the disadvantage in that 1, the color that realizes writing or marking by color picker shows, do not meet the use habit of certain user, such as, when intelligent education machine uses, teacher is accustomed to selecting the felt pen with different colours as chalk to write, rather than selects the laggard running hand of felt pen color to write by color software；And, when the color write or the mark display distinguishing multiple felt pens, multiple color picker need to be set, more complicated；2, the colour recognition of single felt pen can only be realized by configuring the method for pencil box, it is impossible to the color realizing multiple felt pen is distinguished；Further, color and felt pen also incomplete one_to_one corresponding, for instance, after taking certain felt pen away, regardless of whether use this felt pen, all of touch operation is all calibrated into the color that this felt pen is corresponding；Again such as, by the place-exchange of the black in pencil box and red felt pen, when, after the felt pen taking redness away, the touch operation of this felt pen can be calibrated into black, and therefore, the reliability of this scheme is not high.
Summary of the invention
For the problems referred to above, it is an object of the invention to provide a kind of touch objects characteristic recognition method, operating method of touch panel and device, it is possible to realize the identification of the different characteristic of multiple touch objects, reliability is high, and the suitability is wide, meets instructions for use.
The embodiment of the present invention provides a kind of touch objects characteristic recognition method, comprises the steps:
When responding at least one touch objects touch control operation on the touchscreen, the infrared tube starting described touch screen is scanned, to obtain the light information being blocked between the infrared tube of described touch screen；
Based on the described light information being blocked, identify at least one true touch point, and record the position coordinates of each described true touch point；
Gather the present image of described touch screen, and extract feature and the feature locations of each described touch objects in described present image；
The position coordinates of each described true touch point is mated one by one with each described feature locations, so that it is determined that the touch objects feature that each described true touch point is corresponding.
As the improvement of such scheme, the present image gathering described touch screen by increasing external light source to irradiate, to improve the contrast of described present image.
As the improvement of such scheme, extract feature and the feature locations of each described touch objects in described present image, specifically include:
Described present image is scanned, to obtain the position of the light belt in described present image；Wherein, described light belt is the touch frame of described touch screen imaging in described present image；
One that extracts each described touch objects position on described light belt identifies region, and records each described touch objects lateral attitude coordinate on described light belt；
Determine the touch objects feature that each described identification region is corresponding.
As the improvement of such scheme, before determining the touch objects feature that each described identification region is corresponding, also include:
Each described identification region is carried out sliding-model control, to remove the impact of interference factor.
As the improvement of such scheme, the position coordinates of each described true touch point is mated with each described feature locations, it is determined that the touch objects feature that each described true touch point is corresponding, specifically includes:
Position coordinates according to each described true touch point and described photographic head position on described touch screen, it is determined that an angle of the line between each described true touch point and described photographic head and the horizontal axis of described photographic head；
Each described true touch point and the one-to-one relationship of each described touch objects is set up according to the order that the order that whole described lateral attitudes coordinate is ascending is descending with whole described angles, so that it is determined that the touch objects feature that each described true touch point is corresponding.
As the improvement of such scheme, by being arranged at the present image of touch screen described in the camera collection on the edge of described touch screen or angle.
As the improvement of such scheme, described in be characterized as the combination of in color, shape, size or at least two.
The embodiment of the present invention also provides for a kind of touch objects specific identification device, including:
Performance element, for when responding at least one touch objects touch control operation on the touchscreen, the infrared tube starting described touch screen is scanned, to obtain the light information being blocked between the infrared tube of described touch screen；
True touch point positioning unit, for based on the described light information being blocked, identifying at least one true touch point, and record the position coordinates of each described true touch point；
Feature extraction unit, for gathering the present image of described touch screen, and extracts feature and the feature locations of each described touch objects in described present image；
Matching unit, for the position coordinates of each described true touch point is mated one by one with each described feature locations, so that it is determined that the touch objects feature that each described true touch point is corresponding.
The embodiment of the present invention also provides for a kind of operating method of touch panel, comprises the steps:
Above-mentioned touch objects characteristic recognition method is utilized to determine the position coordinates of each true touch point and the touch objects feature of correspondence thereof；
Position coordinates according to each described true touch point and the touch objects feature of correspondence thereof, show corresponding information.
The embodiment of the present invention also provides for a kind of touch screen operation device, including:
Above-mentioned touch objects specific identification device, for determining the position coordinates of each true touch point and the touch objects feature of correspondence thereof；And
Display module, for the touch objects feature of the position coordinates according to each described true touch point and correspondence thereof, shows corresponding information.
Touch objects characteristic recognition method, operating method of touch panel and the device that the embodiment of the present invention provides, have the advantages that when responding touch objects touch control operation on the touchscreen, by the infrared tube Scan orientation true touch point of described touch screen, and gather the present image of described touch screen；Described present image is carried out image procossing, extracts the feature of described touch objects, so that it is determined that the touch objects feature of described true touch point；When there is multiple touch objects, the feature position of the position coordinates of each described true touch point and each described touch objects is mated one by one, it is determined that the touch objects feature that each described true touch point is corresponding.Adopting the embodiment of the present invention, it is possible to realize the identification of the different characteristic of multiple touch objects, reliability is high, and without configuring special hardware device, it is not required that designing extra application software, more meet the use habit of user, the suitability is wide.
Accompanying drawing explanation
In order to be illustrated more clearly that technical scheme, the accompanying drawing used required in embodiment will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of an embodiment of touch objects characteristic recognition method provided by the invention.
The schematic diagram of touch screen when Fig. 2 is a touch objects touch-control of embodiment of the present invention offer.
Fig. 3 is the schematic diagram of the present image based on Fig. 2 touch screen obtained that the embodiment of the present invention provides.
Fig. 4 (1)～Fig. 4 (3) is the schematic diagram of the embodiment for identification region carries out sliding-model control that the embodiment of the present invention provides.
Fig. 5 (1)～Fig. 5 (3) is the schematic diagram of another embodiment for identification region carries out sliding-model control that the embodiment of the present invention provides.
The schematic diagram of touch screen when Fig. 6 is multiple touch objects touch-control of embodiment of the present invention offer.
Fig. 7 is the schematic diagram of the present image based on Fig. 7 touch screen obtained that the embodiment of the present invention provides.
Fig. 8 is the structural representation of an embodiment of touch objects specific identification device provided by the invention.
Fig. 9 is the structural representation of the feature extraction unit shown in Fig. 8.
Figure 10 is the structural representation of the matching unit shown in Fig. 8.
Figure 11 is the schematic flow sheet of an embodiment of operating method of touch panel provided by the invention.
Figure 12 is the structural representation of an embodiment of touch screen operation device provided by the invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Refer to Fig. 1, be the schematic flow sheet of an embodiment of touch objects characteristic recognition method provided by the invention.
The present invention provides a kind of touch objects characteristic recognition method, including step S11～S14, specific as follows:
S11, when responding at least one touch objects touch control operation on the touchscreen, the infrared tube starting described touch screen is scanned, to obtain the light information being blocked between the infrared tube of described touch screen.
It should be noted that respond at least one touch objects touch control operation on the touchscreen to refer to the produced in a flash signal detecting that touch objects touches described touch screen, these are that those skilled in the art can be appreciated by and determine.
S12, based on the described light information being blocked, identifies at least one true touch point, and records the position coordinates of each described true touch point.
It should be noted that; the mode of the acquisition of the light information being blocked between the infrared tube of described touch screen 1 can be whole scan mode; it can also be sector scanning mode; or well known to a person skilled in the art other modes; these, all within protection scope of the present invention, do not limit at this.
Additionally, identify that the method for true touch point can be image treating, it is also possible to for logical judgment method, or well known to a person skilled in the art other modes, these, all within protection scope of the present invention, do not limit at this.
S13, gathers the present image of described touch screen, and extracts feature and the feature locations of each described touch objects in described present image.
See also Fig. 2, it is preferred that gathered the present image of described touch screen 1 (including touch objects 3) by the photographic head 2 being arranged on the edge 11 of described touch screen 1 or angle；Wherein, the optical lens visual angle of described photographic head 2 is more than 90 °, if described photographic head 2 is placed on the edge 11 of described touch screen 1, palpus can photograph the touch screen frame of its excess-three bar edge 11 except the edge 11 except described photographic head 2 place；If described photographic head 2 is placed on the angle of described touch screen 1, whole touch screen frame must can be photographed.
Preferably, described in be characterized as the combination of in color, shape, size or at least two, these can be configured according to the actual needs, and the present invention does not do concrete restriction.
In the specific implementation, described step S13 specifically includes:
S131, is scanned described present image, to obtain the position of the light belt in described present image.
Wherein, described light belt is the touch frame of described touch screen imaging in described present image.
Photograph as it is shown on figure 3, described present image 20 is described photographic head 2, including: region 23 beyond touch screen frame 21, touch area 22, touch screen and touch objects 24；Wherein, the horizontal direction of described photographic head 2 is x-axis direction, and the vertical direction of described photographic head 2 is y-axis direction.
Due to the visible ray that the optical filtering bar meeting reflectivity around the edge 11 of described touch screen 1 is stronger, therefore, in the present image 20 captured by described photographic head 2, described touch screen frame 21 is an obvious light belt.In the specific implementation, directly gather the image of described touch screen 1 typically via described photographic head 2, then from image, isolate the light belt of rule；But, when light intensity illumination is inadequate, or when being difficult to differentiate between out the light belt in picture 20, carries out image acquisition by increasing external light source irradiation, then from image, isolate shinny light belt.These can select different mode of operations according to the actual needs, and the present invention does not do concrete restriction.
In the specific implementation, obtain the position of light belt 21 in described present image 20, particularly as follows: pixel corresponding when choosing x=i on described present image 20 carries out longitudinal scanning, luminance contrast according to described light belt 21 with other regions in described present image 20, intercept out a section more than default threshold value of brightness, or brightness is less than one section of default threshold value, or between default first threshold and Second Threshold one section of brightness, so that it is determined that starting point vertical coordinate y1With terminal vertical coordinate y2。
S132, one that extracts each described touch objects position on described light belt identifies region, and records each described touch objects lateral attitude coordinate on described light belt.
In the specific implementation, by arranging default threshold value, the pixel in described light belt 21 being split, one that extracts each described touch objects 24 position identifies region.Such as, when 1 touch objects that need to identify three kinds of colors of red, green, blue of described touch screen, then when described touch objects 24 is red color, the R component of the pixel in all described light belts 21 > G component and R component > the rgb value assignment of B component is (255,0,0), thus the identification region of described touch objects 24 is extracted；In like manner, the extraction identifying region for the touch objects of green color and the touch objects of blue color is also adopted by said method.
It should be noted that the method for the region segmentation of image can be well known to a person skilled in the art additive method, these, all within protection scope of the present invention, do not repeat at this.
S133, it is determined that the touch objects feature that each described identification region is corresponding.
Preferably, before described step S133, also include:
S133 ', carries out sliding-model control to each described identification region, to remove the impact of interference factor.
In the specific implementation, for removing the interference factor impact on the identification of touch objects feature, adopt two ways that each described identification region is carried out sliding-model control: one is the etching operation of close touch objects feature；Two is the middle site extracting the multiple index points in each described identification region.For color characteristic, above two mode is described.
See also Fig. 4 (1), Fig. 4 (2) and Fig. 4 (3), first kind of way: assume that the identification region of touch objects shows as the picture element matrix of 4 × 4, due to light problem, comparatively significantly light and shade change is there is, as described in Fig. 4 (1) between pixel.By being quantized at least two interval by between non-for rgb value grade, statistics drops on the number of pixels in these intervals, choose the maximum representational rgb value of number of pixels in each interval rgb value as this interval, finally determine the color of touch objects corresponding to described identification region, such as Fig. 4 (2) and (3).
See also Fig. 5 (1), Fig. 5 (2) and Fig. 5 (3), the second way: also assume that the identification region of touch objects shows as the picture element matrix of 4 × 4, owing to there is chaff interference when image acquisition, such as naked color finger, different color components occurs, between pixel as described in Fig. 5 (1).By the pixel wide shared by each color component being extracted in order, choose the maximum representational rgb value of number of pixels in each width range rgb value as the whole pixels in this width range, as shown in Fig. 5 (2)；Finally, using the color of touch objects corresponding as described identification region for the middle site color characteristic of whole described color components, as shown in Fig. 5 (3).
S14, mates with each described feature locations one by one by the position coordinates of each described true touch point, so that it is determined that the touch objects feature that each described true touch point is corresponding.
In the specific implementation, described step S14 specifically includes:
S141, the position on described touch screen according to the position coordinates of each described true touch point and described photographic head a, it is determined that angle of the horizontal axis of the line between each described true touch point and described photographic head and described photographic head.
S142, each described true touch point and the one-to-one relationship of each described touch objects is set up according to the order that the order that whole described lateral attitudes coordinate is ascending is descending with whole described angles, so that it is determined that the touch objects feature that each described true touch point is corresponding.
In the specific implementation, see also Fig. 6, scanned by the infrared tube of described touch screen 1, orient true touch point 31, true touch point 32 and true touch point 33；Then, it is determined that each angle in line between each true touch point and described photographic head 2 and the x-axis direction of described photographic head 2, respectively a1、a2And a3, it is followed successively by true touch point 31, true touch point 32 and true touch point 33 by the order that angle is descending.
See also Fig. 7, gathered the present image 20 of described touch screen 1 (including whole described touch objects 31,32 and 33) by described photographic head 2；Then, it is determined that one of each described touch objects identifies region lateral attitude coordinate, respectively a b on described light belt 211、b2And b3, it is followed successively by touch objects 241, touch objects 242 and touch objects 243 by the order that lateral attitude coordinate is ascending.
According to the order (a that angle is descending1, a2, a3) and the ascending order (b of lateral attitude coordinate1, b2, b3) set up the one-to-one relationship of each described true touch point (31,32,33) and each described touch objects (241,242,243), so that it is determined that the touch objects feature that each described true touch point is corresponding.
In the middle of being embodied as, it is preferred that above-mentioned touch objects characteristic recognition method can be performed by touch objects specific identification device.When responding touch objects touch control operation on the touchscreen, by the infrared tube Scan orientation true touch point of described touch screen, and gather the present image of described touch screen；Described present image is carried out image procossing, extracts the feature of described touch objects, so that it is determined that the touch objects feature of described true touch point；When there is multiple touch objects, the feature position of the position coordinates of each described true touch point and each described touch objects is mated one by one, it is determined that the touch objects feature that each described true touch point is corresponding.Adopting the embodiment of the present invention, it is possible to realize the identification of the different characteristic of multiple touch objects, reliability is high, and without configuring special hardware device, it is not required that designing extra application software, more meet the use habit of user, the suitability is wide.
Correspondingly, the present invention also provides for a kind of touch objects specific identification device, can perform all flow processs of the touch objects characteristic recognition method that above-described embodiment provides.
Refer to Fig. 8, be the structural representation of an embodiment of touch objects specific identification device provided by the invention.
The present invention provides a kind of touch objects specific identification device 80, including performance element 81, true touch point positioning unit 82, feature extraction unit 83 and matching unit 84, specific as follows:
Described performance element 81, for when responding at least one touch objects touch control operation on the touchscreen, the infrared tube starting described touch screen is scanned, to obtain the light information being blocked between the infrared tube of described touch screen.
Described true touch point positioning unit 82, for based on the described light information being blocked, identifying at least one true touch point, and record the position coordinates of each described true touch point.
Described feature extraction unit 83, for gathering the present image of described touch screen, and extracts feature and the feature locations of each described touch objects in described present image.
Described matching unit 84, for the position coordinates of each described true touch point is mated one by one with each described feature locations, so that it is determined that the touch objects feature that each described true touch point is corresponding.
Seeing also Fig. 9, in one embodiment of the present invention, described feature extraction unit 83 specifically includes:
Light belt obtains subelement 831, for described present image is scanned, to obtain the position of the light belt in described present image.
Wherein, described light belt is the touch frame of described touch screen imaging in described present image.
Identify extracted region subelement 832, for extracting an identification region of each described touch objects position on described light belt, and record each described touch objects lateral attitude coordinate on described light belt.
Touch objects feature determines subelement 833, for determining the touch objects feature that each described identification region is corresponding.
In another embodiment of the present invention, described feature extraction unit 83 also includes:
Identify regional processing subelement 834, for, before determining the touch objects feature that each described identification region is corresponding, each described identification region being carried out sliding-model control, to remove the impact of interference factor.
Seeing also Figure 10, in one embodiment of the present invention, described matching unit 84 specifically includes:
Angle determines subelement 841, the position on described touch screen for the position coordinates according to each described true touch point and described photographic head a, it is determined that angle of the horizontal axis of the line between each described true touch point and described photographic head and described photographic head.
Characteristic matching subelement 842, each described true touch point and the one-to-one relationship of each described touch objects is set up for the order that the order ascending according to whole described lateral attitudes coordinate is descending with whole described angles, so that it is determined that the touch objects feature that each described true touch point is corresponding.
It is understandable that, the function of each functional unit of the touch objects specific identification device 80 in the embodiment of the present invention can implement according to the method in said method embodiment, it implements process and is referred to the associated description of said method embodiment, repeats no more herein.
In the middle of being embodied as, when responding touch objects touch control operation on the touchscreen, described performance element 81 is scanned by the infrared tube of described touch screen to position true touch point, and gathers the present image of described touch screen；Described present image is carried out image procossing by described feature extraction unit 82, extracts the feature of described touch objects, so that it is determined that the touch objects feature of described true touch point；When there is multiple touch objects, the position coordinates of each described true touch point and the feature position of each described touch objects are mated by described matching unit 84 one by one, it is determined that the touch objects feature that each described true touch point is corresponding.Adopting the embodiment of the present invention, it is possible to realize the identification of the different characteristic of multiple touch objects, reliability is high, and without configuring special hardware device, it is not required that designing extra application software, more meet the use habit of user, the suitability is wide.
Additionally, the present invention also provides for a kind of operating method of touch panel.
Refer to Figure 11, be the schematic flow sheet of an embodiment of operating method of touch panel provided by the invention.
The present invention provides a kind of operating method of touch panel, including step S21～S22, specific as follows:
S21, utilizes the touch objects characteristic recognition method described in Fig. 1 to determine the position coordinates of each true touch point and the touch objects feature of correspondence thereof.
S22, the touch objects feature according to the position coordinates of each described true touch point and correspondence thereof, show corresponding information.
When responding at least one touch objects touch control operation on the touchscreen, infrared tube based on described touch screen scans each described touch objects characteristic of correspondence extracted in each true touch point positioned and the present image collected, and finally determines the touch objects feature that each described true touch point is corresponding；Then, unique ID is distributed to each described touch objects, follow the tracks of each the touch point information obtained in each described touch objects writing process, and become data to wrap each described touch point information package successively according to the sequencing of the time of acquisition to pass to display module；Finally, described display module each described packet resolved to corresponding touch point information, and according to each described touch point information simultaneous display accordingly；Wherein, each described touch point information includes coordinate figure, touches ID and touch objects feature.
In one embodiment of the present invention, determine the feature of each described touch objects corresponding preservation when responding at least one touch objects touch control operation on the touchscreen；Before response each described touch objects touch control operation on the touchscreen terminates, the feature of each described touch objects is no longer updated.
Terminate to refer to the produced in a flash signal detecting that each described touch objects leaves described touch screen it should be noted that respond each described touch objects touch control operation on the touchscreen.
In another embodiment of the present invention, the image of touch screen described in continuous acquisition in each described touch objects writing process；The touch objects feature that each true touch point in writing process is corresponding, the touch point information in each described touch objects writing process of real-time update is extracted from every two field picture；Finally, when responding each described touch objects touch control operation on the touchscreen and terminating, the meansigma methods of the multiple features obtained in each described touch objects writing process is defined as the revised feature of this touch objects, and updates display.
Correspondingly, the present invention also provides for a kind of touch screen operation device, can perform all flow processs of the operating method of touch panel that above-described embodiment provides.
Referring to Figure 12, the embodiment of the present invention also provides for a kind of touch screen operation device 120, including: touch objects specific identification device 80 and display module 121, specific as follows:
Described touch objects specific identification device 80, for determining the position coordinates of each true touch point and the touch objects feature of correspondence thereof.
Described display module 121, for the touch objects feature of the position coordinates according to each described true touch point and correspondence thereof, shows corresponding information.
It is understandable that, the function of each functional unit of the touch screen operation device 120 in the embodiment of the present invention can implement according to the method in said method embodiment, it implements process and is referred to the associated description of said method embodiment, repeats no more herein.
Touch objects characteristic recognition method, operating method of touch panel and the device that the embodiment of the present invention provides, have the advantages that when responding touch objects touch control operation on the touchscreen, by the infrared tube Scan orientation true touch point of described touch screen, and gather the present image of described touch screen；Described present image is carried out image procossing, extracts the feature of described touch objects, so that it is determined that the touch objects feature of described true touch point；When there is multiple touch objects, the feature position of the position coordinates of each described true touch point and each described touch objects is mated one by one, it is determined that the touch objects feature that each described true touch point is corresponding.Adopting the embodiment of the present invention, it is possible to realize the identification of the different characteristic of multiple touch objects, reliability is high, and without configuring special hardware device, it is not required that designing extra application software, more meet the use habit of user, the suitability is wide.
Above disclosed it is only one preferred embodiment of the present invention, certainly the interest field of the present invention can not be limited with this, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and according to the equivalent variations that the claims in the present invention are made, still fall within the scope that invention is contained.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, can be by the hardware that computer program carrys out instruction relevant to complete, described program can be stored in a computer read/write memory medium, this program is upon execution, it may include such as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or random store-memory body (RandomAccessMemory, RAM) etc..
Claims (10)
1. a touch objects characteristic recognition method, it is characterised in that comprise the steps:
When responding at least one touch objects touch control operation on the touchscreen, the infrared tube starting described touch screen is scanned, to obtain the light information being blocked between the infrared tube of described touch screen；
Based on the described light information being blocked, identify at least one true touch point, and record the position coordinates of each described true touch point；
Gather the present image of described touch screen, and extract feature and the feature locations of each described touch objects in described present image；
The position coordinates of each described true touch point is mated one by one with each described feature locations, so that it is determined that the touch objects feature that each described true touch point is corresponding.
2. touch objects characteristic recognition method as claimed in claim 1, it is characterised in that the present image gathering described touch screen by increasing external light source to irradiate, to improve the contrast of described present image.
3. touch objects characteristic recognition method as claimed in claim 1, it is characterised in that extract feature and the feature locations of each described touch objects in described present image, specifically include:
Described present image is scanned, to obtain the position of the light belt in described present image；Wherein, described light belt is the touch frame of described touch screen imaging in described present image；
One that extracts each described touch objects position on described light belt identifies region, and records each described touch objects lateral attitude coordinate on described light belt；
Determine the touch objects feature that each described identification region is corresponding.
4. touch objects characteristic recognition method as claimed in claim 3, it is characterised in that before determining the touch objects feature that each described identification region is corresponding, also include:
Each described identification region is carried out sliding-model control, to remove the impact of interference factor.
5. the touch objects characteristic recognition method as described in claim 3 or 4, it is characterised in that mated with each described feature locations by the position coordinates of each described true touch point, it is determined that the touch objects feature that each described true touch point is corresponding, specifically includes:
Position coordinates according to each described true touch point and described photographic head position on described touch screen, it is determined that an angle of the line between each described true touch point and described photographic head and the horizontal axis of described photographic head；
Each described true touch point and the one-to-one relationship of each described touch objects is set up according to the order that the order that whole described lateral attitudes coordinate is ascending is descending with whole described angles, so that it is determined that the touch objects feature that each described true touch point is corresponding.
6. touch objects characteristic recognition method as claimed in claim 1, it is characterised in that by being arranged at the present image of touch screen described in the camera collection on the edge of described touch screen or angle.
7. touch objects characteristic recognition method as claimed in claim 1, it is characterised in that described in be characterized as the combination of in color, shape, size or at least two.
8. a touch objects specific identification device, it is characterised in that including:
Performance element, for when responding at least one touch objects touch control operation on the touchscreen, the infrared tube starting described touch screen is scanned, to obtain the light information being blocked between the infrared tube of described touch screen；
True touch point positioning unit, for based on the described light information being blocked, identifying at least one true touch point, and record the position coordinates of each described true touch point；
Feature extraction unit, for gathering the present image of described touch screen, and extracts feature and the feature locations of each described touch objects in described present image；
Matching unit, for the position coordinates of each described true touch point is mated one by one with each described feature locations, so that it is determined that the touch objects feature that each described true touch point is corresponding.
9. an operating method of touch panel, it is characterised in that comprise the steps:
The touch objects characteristic recognition method as described in any one of claim 1～7 is utilized to determine the position coordinates of each true touch point and the touch objects feature of correspondence thereof；
Position coordinates according to each described true touch point and the touch objects feature of correspondence thereof, show corresponding information.
10. a touch screen operation device, it is characterised in that including:
Touch objects specific identification device as claimed in claim 8, for determining the position coordinates of each true touch point and the touch objects feature of correspondence thereof；And
Display module, for the touch objects feature of the position coordinates according to each described true touch point and correspondence thereof, shows corresponding information.
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| CN201610046475.3A CN105739792A (en) | 2016-01-22 | 2016-01-22 | Touch object feature identification method, and touch screen operation method and device |
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| CN201610046475.3A CN105739792A (en) | 2016-01-22 | 2016-01-22 | Touch object feature identification method, and touch screen operation method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981183A (en) * | 2017-05-31 | 2018-12-11 | 芜湖美的厨卫电器制造有限公司 | Control method, device and the water heater of water heater |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101174191A (en) * | 2007-11-05 | 2008-05-07 | 广东威创视讯科技股份有限公司 | Touch panel device and its locating method |
| US20090231497A1 (en) * | 2008-03-14 | 2009-09-17 | Samsung Electronics Co., Ltd. | Liquid crystal display, display system including the liquid crystal display and method of recognizing an object using the liquid crystal display |
| CN101882034A (en) * | 2010-07-23 | 2010-11-10 | 广东威创视讯科技股份有限公司 | Device and method for discriminating color of touch pen of touch device |
-
2016
- 2016-01-22 CN CN201610046475.3A patent/CN105739792A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101174191A (en) * | 2007-11-05 | 2008-05-07 | 广东威创视讯科技股份有限公司 | Touch panel device and its locating method |
| US20090231497A1 (en) * | 2008-03-14 | 2009-09-17 | Samsung Electronics Co., Ltd. | Liquid crystal display, display system including the liquid crystal display and method of recognizing an object using the liquid crystal display |
| CN101882034A (en) * | 2010-07-23 | 2010-11-10 | 广东威创视讯科技股份有限公司 | Device and method for discriminating color of touch pen of touch device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981183A (en) * | 2017-05-31 | 2018-12-11 | 芜湖美的厨卫电器制造有限公司 | Control method, device and the water heater of water heater |
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