CN102929435A - Body sensing touch operating system and method - Google Patents
Body sensing touch operating system and method Download PDFInfo
- Publication number
- CN102929435A CN102929435A CN2011102382257A CN201110238225A CN102929435A CN 102929435 A CN102929435 A CN 102929435A CN 2011102382257 A CN2011102382257 A CN 2011102382257A CN 201110238225 A CN201110238225 A CN 201110238225A CN 102929435 A CN102929435 A CN 102929435A
- Authority
- CN
- China
- Prior art keywords
- image
- image display
- display curtain
- specified wavelength
- specific wavelength
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention relates to a body sensing touch operating system. The body sensing touch operating system is used for judging whether an image display screen is touched or not and generating an execution action corresponding to touch and comprises a specified wavelength light projection device, an image acquisition device, a selective light filtering element and a data processing device, wherein the specified wavelength light projection device is used for projecting specified wavelength light towards the image display screen, so that the specified wavelength light is reflected by the image display screen to form a specific wavelength image; the image acquisition device only acquires the specific wavelength image towards the image display screen through the selective light filtering element; and the data processing device is used for separating a foreground image and a shadow image which falls on the image display screen from the specific wavelength image, and determines that the image display screen is touched and generates the execution action corresponding to touch when a feature point of the foreground image is overlapped with a shadow point, which corresponds to the feature point, in the shadow image.
Description
Technical field
Present invention is directed to the interactive operation that touches of image display curtain, particularly about a kind of body thoughts and feelings control operation system and a kind of body thoughts and feelings control method of operating.
Background technology
When carrying out bulletin with computer apparatus and projection arrangement, the problem that the user often faces is that between light pen and the image display curtain, therefore Bing can't produce operational order to computer apparatus by the movement of light pen in projected picture without interactive relationship.
In order to solve one of common method of foregoing problems, be in the projection of image display curtain in a large-scale Trackpad, directly judge with Trackpad whether the image display curtain is touched.But large-scale Trackpad cost is high, and it is arranged so that projection arrangement is unfavorable for that carrying is used between different places.
In other prior art, also have obtain the sampling picture by image capture unit after, analytical sampling picture and judge the technological means whether user touches the image display curtain with hand or light pen.
For example Republic of China's new patent M396446 system defines first a detection area, when the image of this detection area is interdicted, namely represent the user and put and touch this zone, but detection area is when being interdicted, and user Bing must not put and touch this zone.Patent CN03102675.3 system in China's Mainland utilizes a plurality of image capture units to obtain hand or light pen position, and Bing judges whether hand or light pen touch the image display curtain; China's Mainland CN200510009897.5, US Patent No. 6,760,009 also are to utilize a plurality of image capture units to obtain hand or light pen position, whether touch the image display curtain but Bing can't judge hand or light pen.Aforementioned prior art all must be used a plurality of image capture units, and those image capture units all must by correction program, so that the touch control operation system also must carry out correction program before using, thereby be unfavorable for that carrying is used between different places.
Summary of the invention
Whether in view of the above problems, the present invention proposes a kind of body thoughts and feelings control operation system and a kind of body thoughts and feelings control method of operating, be to differentiate the image display curtain with relatively simple technological means to be touched.
Whether the present invention proposes a kind of body thoughts and feelings control operation system, touched in order to differentiate an image display curtain, to produce a pair of execution action that should touch.Body thoughts and feelings control operation system comprises a specified wavelength light projecting apparatus, an image capture unit, a selectivity filter element, a data processing equipment.
The specified wavelength light projecting apparatus makes specified wavelength light be reflected into a specific wavelength image by the image display curtain in order to throw a specified wavelength light towards the image display curtain.Keep a spacing distance between image capture unit and the specified wavelength light projecting apparatus and arrange.Image capture unit continues pick-up image by the selectivity filter element towards the image display curtain, and the selectivity filter element is so that image capture unit is only obtained the specific wavelength image; Wherein the specific wavelength image comprises a plurality of pixels, and a coordinate in each pixel definable specific wavelength image.Data processing equipment in order to separate the shade image that a prospect image and drops on the image display curtain in the specific wavelength image, defines a unique point simultaneously in this prospect image, Bing defines a shadow spots corresponding to unique point in the shade image.
More set a distance threshold value in the data processing equipment, the relative distance between unique point coordinate and shadow spots coordinate is less than the distance threshold value, and data processing equipment determines that the image display curtain is touched and produces the execution action that correspondence is touched.
Whether the present invention more proposes a kind of body thoughts and feelings control method of operating, touched in order to differentiate an image display curtain, to produce a pair of execution action that should touch, comprises the following step:
Throw a specified wavelength light towards the image display curtain, make specified wavelength light by this image display curtain reflection;
Continue acquisition towards the image display curtain and reflect formed specific wavelength image by this specified wavelength light;
Picture element matrix with the specific wavelength image is set up a coordinate system on the specific wavelength image;
In the specific wavelength image, separate the shade image that a prospect image and drops on the image display curtain;
Definition one unique point in the prospect image, Bing defines a shadow spots corresponding to unique point in the shade image;
Set a distance threshold value, the relative distance between the coordinate of comparison unique point and the coordinate of shadow spots judges that whether relative distance is less than the distance threshold value; And
When relative distance less than the distance threshold value, determine that the unique point of prospect image has been touched the image display curtain in three dimensions, and produce the corresponding execution action that touches.
Effect of the present invention is, does not need to arrange sensor on the image display curtain, but utilizes the mode of image analysing computer, and the detecting human body touches for the image display curtain, simplifies the needed technological means of touch control operation.In addition, when the present invention judges coordinate, be picture element matrix with specific wavelength image itself as coordinate system, Bing does not need outside coordinate system is carried out correction program, has significantly simplified the preposition program of operating body thoughts and feelings control operation system yet.
Description of drawings
Fig. 1 and Fig. 2 are the synoptic diagram of the body thoughts and feelings control operation system of first embodiment of the invention.
Fig. 3 and Fig. 4 are in the first embodiment of the invention, the synoptic diagram of specific wavelength image.
Fig. 5 and Fig. 6 are in the first embodiment of the invention, the variation example of body thoughts and feelings control operation system.
Fig. 7 is the synoptic diagram of the body thoughts and feelings control operation system of second embodiment of the invention.
Fig. 8 is the synoptic diagram of the body thoughts and feelings control operation system of third embodiment of the invention.
Fig. 9, Figure 10 and Figure 11 are the process flow diagram of the body thoughts and feelings control method of operating of optical projection system of the present invention.
The main element symbol description
100 bodies thoughts and feelings control operation system
110 specified wavelength light projecting apparatus
120 image capture units
130 selectivity filter elements
140 data processing equipments
150 projection arrangements
160 display device
170 frameworks
F image display curtain
I specified wavelength light
The G spacing distance
S specific wavelength image
O prospect image
B shade image
The C unique point
C " shadow spots
Embodiment
See also shown in " Fig. 1 ", for the disclosed a kind of body thoughts and feelings control operation system 100 of first embodiment of the invention, whether touched in order to differentiate an image display curtain F, to produce a pair of execution action that should touch.Body thoughts and feelings control operation system 100 comprises a specified wavelength light projecting apparatus 110, an image capture unit 120, a selectivity filter element 130, a data processing equipment 140.
See also shown in " Fig. 1 ", the specific embodiment of image display curtain F comprises the image frame of liquid crystal projection apparatus 150,150 projections of DLP projection arrangement, or be the display surface of the non-projecting displays 160 such as liquid crystal display, plasma display panel, and take large scale person as best.
See also " Fig. 1 " and reach shown in " Fig. 2 ", specified wavelength light projecting apparatus 110 is in order to throw a specified wavelength light I towards this image display curtain F, to make this specified wavelength light I be reflected into specific wavelength image S by this image display curtain F.Specified wavelength light I is the wavelength light that image display curtain F can not send, and disturbs body thoughts and feelings control operation system 100 with the display action of avoiding image display curtain F itself; Preferably, specified wavelength light I is invisible light, thereby avoids specified wavelength light I to disturb the user to watch image display curtain F; The specific embodiment of specified wavelength light I is infrared ray, and its middle infrared (Mid-IR) is that image display curtain F shows the wavelength light that can not send under the operation normal, and is invisible light Bing and harmless to human eye.
See also " Fig. 1 " and reach shown in " Fig. 2 ", keep a spacing distance G between image capture unit 120 and the specified wavelength light projecting apparatus 110, Bing is towards image display curtain F pick-up image.Selectivity filter element 130 is between image capture unit 120 and specified wavelength light projecting apparatus 110, and selectivity filter element 130 can be so that 120 of image capture units be obtained the specific wavelength image.In the implementation aspect, image capture unit 120 can be complementary type metal-oxide-semiconductor (MOS) (COMPLEMENTARY METAL-OXIDE SEMICONDUCTOR, CMOS) or sensitization coupling element (CHARGE COUPLED DEVICE, CCD).
Seeing also " Fig. 1 " reaches shown in " Fig. 2 ", image capture unit 120 is electrically connected at data processing equipment 140, make this data processing equipment 140 receive the obtained specific wavelength image S of image capture unit 120, this specific wavelength image S comprises a plurality of pixels, and a coordinate among this specific wavelength image of each pixel definable S.
Consulting " Fig. 3 " reaches shown in " Fig. 4 ", data processing equipment 140 is after obtaining specific wavelength image S, in this specific wavelength image S, separate the shade image B that a prospect image O and drops on this image display curtain F, define simultaneously a unique point C in this prospect image O, Bing defines a shadow spots C corresponding to this unique point C in this shade image B ".
The mode of separation prospect image O is to judge it by the reflection strength of specified wavelength light I.Generally speaking, the reflection strength of the specified wavelength light I that image display curtain F reflects, can drop in the average reflection intensity interval, and prospect image O system is by a barrier, for example a user who stands in before the image display curtain F forms, the reflection strength of the specified wavelength light I that it reflects then can drop on outside this average reflection intensity interval, and greater than a reflection strength lower limit; Thus, this data processing equipment 140 just can be isolated this prospect image O by specific wavelength image S.Shade image B is stopped by this barrier because be projected to the specified wavelength light I of image display curtain F, and the dark section that is formed on the image display curtain F is regional, the reflection strength of the specified wavelength light I of its reflection can drop on outside this average reflection intensity interval, and less than this reflection strength lower limit; Thus, data processing equipment 140 just can be isolated shade image B by specific wavelength image S.Aforesaid reflection strength lower limit is less than the minimum value of average reflection intensity interval.
Consult " Fig. 3 " and reach shown in " Fig. 4 ", the unique point C that defines among this prospect image O can be user's hand.Find out the mode of this unique point C, lie in preservative feature model in the data processing equipment 140, compare this characteristic model and this prospect image O, can find out the pixel group that meets characteristic model among the prospect image O, with as unique point C.Similarly, take the application examples of hand as unique point C, corresponding to the shadow spots C of this unique point C " be the shade of hand, therefore also can compare this characteristic model and this shade image B; and in this shade image B, find out the pixel group that meets characteristic model, with as shadow spots C ".Aforementioned unique point C and the shadow spots C of finding out " mode only be an example, in the image processing field, have and know that usually the knowledgeable is when can be according to unique point C and shadow spots C " explanation, finish feature points C and shadow spots C " technological means.Aforesaid unique point C Bing must not be user's hand, also can be pen, the body of rod etc.
When unique point C is constantly mobile in specific wavelength image S, shadow spots C " also can with change location.As previously mentioned, this specific wavelength image S comprises a plurality of pixels, and a coordinate among this specific wavelength image of each pixel definable S.Therefore data processing equipment 140 can be put C and shadow spots C by analytical characteristic " be positioned at the position of specific wavelength image S, and produce respectively unique point Building C mark and shadow spots C " coordinate.
More set a distance threshold value in the data processing equipment 140, as unique point Building C mark and shadow spots C " relative distance between the coordinate is less than this distance threshold value, then with unique point Building C mark and shadow spots C " coordinate is considered as overlapping.
Shown in " Fig. 4 ", as unique point Building C mark and shadow spots C " coordinate relative distance is less than this distance threshold value; even equal zero and when overlapping; the user who represent generation prospect image O contacts this image display curtain F with hand; at this moment; data processing equipment 140 determines that just the unique point C of this prospect image O has touched image display curtain F in three dimensions, and the execution action of generation to touching.
For example, when using transparency to carry out bulletin, the user can adopt and touch, as the operation of " changing one page ", so that data processing equipment 140 is carried out " changing one page ", and changes the transparency that image display curtain F shows; Or the user can adopt and touch continuously, as the operation of " returning page up ", so that data processing equipment 140 is carried out " returning page up ".
Shown in " Fig. 5 ", the specific embodiment of data processing equipment 140 can be a host computer, is written into Bing and carries out an operating system, and Bing carries out an application according to user's operation and be written into Bing.Data processing equipment 140 produces a display.As previously mentioned, the specific embodiment of image display curtain F is the image frame of 150 projections of a projection arrangement.Projection arrangement 150 receives the display of these data processing equipments 140, thereby carries out projection and produce image frame on this image display curtain F.
Shown in " Fig. 6 ", another specific embodiment of image display curtain F is the display surface of a display device 160.Display device 160 receives the display of this data processing equipment 140, thereby produces image frame and become this image display curtain F with display surface.
Consult " Fig. 5 " and reach " Fig. 6 ", such as aforementioned applications example, data processing equipment 140 is carried out " changing one page ", or during the execution action of " returning page up ", just can change the display that it is exported, thereby so that projection arrangement 150 or display device 160 change the content of image display curtain F.
See also shown in " Fig. 7 ", for the disclosed a kind of body thoughts and feelings control operation system 100 of second embodiment of the invention, whether touched in order to differentiate an image display curtain F, to produce a pair of execution action that should touch.Body thoughts and feelings control operation system 100 comprises a specified wavelength light projecting apparatus 110, an image capture unit 120, a selectivity filter element 130, a data processing equipment 140.
Shown in " Fig. 7 ", keep a spacing distance G between image capture unit 120 and this specified wavelength light projecting apparatus 110.Be that body thoughts and feelings control operation system 100 with, the second embodiment further comprises a framework 170, this image capture unit 120 is arranged on this framework 170 with this specified wavelength light projecting apparatus 110, and keeps this spacing distance G.
See also shown in " Fig. 8 ", for the disclosed a kind of body thoughts and feelings control operation system 100 of third embodiment of the invention, comprise a specified wavelength light projecting apparatus 110, a selectivity filter element 130, an image capture unit 120, a data processing equipment 140, a projection arrangement 150 and a framework 170.Image capture unit 120, specified wavelength light projecting apparatus 110 and projection arrangement 150 are arranged on this framework 170, and keep this spacing distance G.
Shown in " Fig. 9 ", be a kind of body thoughts and feelings control method of operating proposed by the invention, whether touched in order to differentiate an image display curtain F, to produce a pair of execution action that should touch.
The embodiment of the coordinate positioning method of the indication luminous point that proposes according to the present invention is that a source code is provided, and is written into Bing for data processing equipment 140 and carries out, and carry out the following step; Described source code is stored in a computer-readable storage medium, or transmits by a computer program product.
With a specified wavelength light projecting apparatus 110, throw a specified wavelength light I towards this image display curtain F, make this specified wavelength light I be reflected into a specific wavelength image S by this image display curtain F, shown in step Step 110.
This specified wavelength light I is projeced into this image display curtain F constantly, also can adopt sudden strain of a muscle frequency mode to be projeced into intermittently this image display curtain F.As previously mentioned, the special wavelength light that specified wavelength light I preferably can not send for image display curtain F, and be invisible light, for example infrared ray.
Then, data processing equipment 140 continues acquisition with image capture unit 120 towards this image display curtain F and reflects formed specific wavelength image S by specified wavelength light I, shown in step Step 120.
Acquisition is lain between image capture unit 120 and the image display curtain F selectivity filter element 130 is set by the mode that specified wavelength light I reflects formed specific wavelength image S; Wherein, selectivity filter element 130 can be so that 120 of image capture units be obtained specific wavelength image S.
Then, data processing equipment 140 separates the shade image B that a prospect image O and drops on this image display curtain F in this specific wavelength image S, shown in step Step 140.
Shown in " Figure 10 ", in step Step 140, the mode of separating prospect image O and this shade image B comprises the following step.
This data processing equipment 140 is by among the specific wavelength image S, and the reflection strength of isolating specified wavelength light I drops on outside this average reflection intensity interval and greater than the pixel group of this reflection strength lower limit, is defined as this prospect image O, shown in step Step 142.
Simultaneously, this data processing equipment 140 is by among the specific wavelength image S, the reflection strength of isolating specified wavelength light I drops on outside this average reflection intensity interval and less than the pixel group of this reflection strength lower limit, is defined as this shade image B, shown in step Step 143.
Consult shown in " Fig. 9 ", data processing equipment 140 defines a unique point C in this prospect image O again, and Bing defines a shadow spots C corresponding to this unique point C in this shade image B ", shown in step Step 150.
Shown in " Figure 11 ", in step Step 150, feature points C and shadow spots C " mode comprise the following step.
Consult shown in " Fig. 9 ", data processing equipment 140 is set a distance threshold value, shown in step Step 160 again.
When this relative distance whether less than this distance threshold value, then this data processing equipment 140 determines that the unique point C of this prospect image O has touched image display curtain F in three dimensions, and produces the execution action to touching, shown in step Step 180.
In body thoughts and feelings control operation system 100 and body thoughts and feelings control method of operating that the present invention proposes, do not need to arrange sensor on the image display curtain F.The present invention is by the mode of image analysing computer, can detect human body for the touching of image display curtain F, and in the aforesaid image analysing computer, also can further obtain information such as touching coordinate in conjunction with other analytical procedures, simplifies the needed technological means of touch control operation.In addition, when the present invention judges coordinate, be picture element matrix with specific wavelength image S itself as coordinate system, Bing does not need outside coordinate system is carried out correction program, has significantly simplified the preposition program of operating body thoughts and feelings control operation system 100 yet.
Claims (10)
1. whether a body thoughts and feelings control operation system is touched in order to differentiate an image display curtain, to produce a pair of execution action that should touch, it is characterized in that, this body thoughts and feelings control operation system comprises:
One specified wavelength light projecting apparatus in order to throw a specified wavelength light towards this image display curtain, makes this specified wavelength light be reflected into a specific wavelength image by this image display curtain;
One image capture unit, and keep a spacing distance between this specified wavelength light projecting apparatus, Bing is towards this image display curtain pick-up image;
One selectivity filter element is with so that this image capture unit is only obtained this specific wavelength image; Wherein this specific wavelength image comprises a plurality of pixels, and a coordinate in this specific wavelength image of each pixel definable; And
One data processing equipment in order to certainly to separate the shade image that a prospect image and drops on this image display curtain in this specific wavelength image, defines a unique point simultaneously in this prospect image, Bing defines a shadow spots corresponding to this unique point in this shade image;
Wherein, more set a distance threshold value in this data processing equipment, relative distance between this unique point coordinate and this shadow spots coordinate is less than this distance threshold value, and this data processing equipment determines that this image display curtain is touched and produces execution action to touching.
2. body thoughts and feelings control operation system as claimed in claim 1 is characterized in that this specified wavelength light is infrared ray.
3. body as claimed in claim 1 is felt control operation system, it is characterized in that, this data processing equipment is established an average reflection intensity interval and a reflection strength lower limit less than the minimum value of average reflection intensity interval, this data processing equipment is by in this specific wavelength image, isolate that this specified wavelength reflection of light intensity drops on outside this average reflection intensity interval and greater than the pixel group of this reflection strength lower limit, be defined as this prospect image, and this data processing equipment is by in this specific wavelength image, isolate that this specified wavelength reflection of light intensity drops on outside this average reflection intensity interval and less than the pixel group of this reflection strength lower limit, be defined as this shade image.
4. body as claimed in claim 1 is felt control operation system, it is characterized in that preservative feature model in this data processing equipment is in order to compare this characteristic model and this prospect image, finding out the pixel group that meets this characteristic model in this prospect image, with as this unique point; And this data processing equipment is compared this characteristic model and this shade image, and finds out the pixel group that meets characteristic model in this shade image, with as shadow spots.
5. body thoughts and feelings control operation system as claimed in claim 1 is characterized in that more comprise a framework, this image capture unit and this specified wavelength light projecting apparatus are arranged on this framework, and keep this spacing distance.
6. whether a body thoughts and feelings control method of operating is touched in order to differentiate an image display curtain, to produce a pair of execution action that should touch, it is characterized in that, comprises:
Throw a specified wavelength light towards this image display curtain, make this specified wavelength light by this image display curtain reflection;
Continue acquisition towards this image display curtain and reflect formed specific wavelength image by this specified wavelength light;
Picture element matrix with this specific wavelength image is set up a coordinate system on this specific wavelength image;
In this specific wavelength image, separate the shade image that a prospect image and drops on this image display curtain;
Definition one unique point in this prospect image, and in this shade image, define a shadow spots corresponding to this unique point;
Set a distance threshold value, compare the relative distance between the coordinate of the coordinate of this unique point and this shadow spots, judge that whether this relative distance is less than this distance threshold value; And
When this relative distance less than this distance threshold value, determine that the unique point of this prospect image has been touched the image display curtain in three dimensions, and produce the execution action to touching.
7. body thoughts and feelings control method of operating as claimed in claim 6 is characterized in that this specified wavelength light is projeced into this image display curtain constantly.
8. body thoughts and feelings control method of operating as claimed in claim 6 is characterized in that mode is projeced into this image display curtain to this specified wavelength gloss intermittently with dodging frequently.
9. body thoughts and feelings as claimed in claim 6 is controlled method of operating, it is characterized in that the mode of separating prospect image and this shade image comprises the following step:
Set an average reflection intensity interval one reflection strength lower limit; Wherein this reflection strength lower limit is less than the minimum value of this average reflection intensity interval;
In this specific wavelength image, isolate that this specified wavelength reflection of light intensity drops on outside this average reflection intensity interval and greater than the pixel group of this reflection strength lower limit, be defined as this prospect image; And
In this specific wavelength image, isolate that this specified wavelength reflection of light intensity drops on outside this average reflection intensity interval and less than the pixel group of this reflection strength lower limit, be defined as this shade image.
10. body thoughts and feelings as claimed in claim 6 is controlled method of operating, it is characterized in that this fixed unique point and the mode of shadow spots comprise the following step:
Be written into characteristic model;
Compare this characteristic model and this prospect image, find out the pixel group that meets this characteristic model in this prospect image, define this pixel group and be this unique point; And
Compare this characteristic model and this shade image, find out the pixel group that meets this characteristic model in this shade image, define this pixel group and be this shadow spots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110238225.7A CN102929435B (en) | 2011-08-12 | 2011-08-12 | Body thoughts and feelings control operation system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110238225.7A CN102929435B (en) | 2011-08-12 | 2011-08-12 | Body thoughts and feelings control operation system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102929435A true CN102929435A (en) | 2013-02-13 |
| CN102929435B CN102929435B (en) | 2015-09-30 |
Family
ID=47644260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110238225.7A Expired - Fee Related CN102929435B (en) | 2011-08-12 | 2011-08-12 | Body thoughts and feelings control operation system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102929435B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001222375A (en) * | 2000-02-08 | 2001-08-17 | Seiko Epson Corp | Indicated position detection system and method, presentation system and information storage medium |
| WO2008108465A1 (en) * | 2007-03-08 | 2008-09-12 | Lunascape Co., Ltd. | Projector system |
| US20110187679A1 (en) * | 2010-02-01 | 2011-08-04 | Acer Incorporated | Optical touch display device and method thereof |
-
2011
- 2011-08-12 CN CN201110238225.7A patent/CN102929435B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001222375A (en) * | 2000-02-08 | 2001-08-17 | Seiko Epson Corp | Indicated position detection system and method, presentation system and information storage medium |
| WO2008108465A1 (en) * | 2007-03-08 | 2008-09-12 | Lunascape Co., Ltd. | Projector system |
| US20110187679A1 (en) * | 2010-02-01 | 2011-08-04 | Acer Incorporated | Optical touch display device and method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102929435B (en) | 2015-09-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107621893B (en) | Content creation using electronic input devices on non-electronic surfaces | |
| US6947032B2 (en) | Touch system and method for determining pointer contacts on a touch surface | |
| EP2989529B1 (en) | Display, touch, and stylus synchronization | |
| EP3413163A1 (en) | Method for processing data collected by touch panel, and terminal device | |
| TWI545482B (en) | Method and apparatus of touch display system for avoiding display noise | |
| EP3190782A3 (en) | Action camera | |
| CN102436327B (en) | Screen input system and implementation method thereof | |
| US20160196034A1 (en) | Touchscreen Control Method and Terminal Device | |
| CN104777927A (en) | Image type touch control device and control method thereof | |
| CN105094654A (en) | Screen control method and device | |
| CN101520700A (en) | Camera-based three-dimensional positioning touch device and positioning method thereof | |
| CN104991684A (en) | Touch control device and working method therefor | |
| CN102662529B (en) | Three-dimensional interactive display device and operation method thereof | |
| CN103365485A (en) | Optical Touch Sensing Device | |
| JP5760886B2 (en) | Image display device, image display method, and image display program | |
| US9727148B2 (en) | Navigation device and image display system with inertial mode | |
| CN104049747A (en) | Mouse device for directly controlling cursor with finger | |
| CN103970370A (en) | Photoelectric touch system and method | |
| KR101019255B1 (en) | wireless apparatus and method for space touch sensing and screen apparatus using depth sensor | |
| CN102999241A (en) | Touch screen adopting capacitive touch detection and real-time image positioning | |
| KR20090116544A (en) | Apparatus and method for space touch sensing and screen apparatus sensing infrared camera | |
| CN103076925B (en) | Optical touch control system, optical sensing module and How It Works thereof | |
| CN102707896A (en) | Display terminal operation control method and display terminal thereof | |
| CN104065952A (en) | Wearable electronic device and image processing method | |
| CN102929435A (en) | Body sensing touch operating system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20210812 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |