CN104375629B - Electronic device and control method thereof - Google Patents
Electronic device and control method thereof Download PDFInfo
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- CN104375629B CN104375629B CN201310386380.2A CN201310386380A CN104375629B CN 104375629 B CN104375629 B CN 104375629B CN 201310386380 A CN201310386380 A CN 201310386380A CN 104375629 B CN104375629 B CN 104375629B
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- screen
- viewing area
- set object
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- dimensions
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims description 49
- 238000001514 detection method Methods 0.000 claims description 12
- 238000004364 calculation method Methods 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 description 9
- 210000004247 hand Anatomy 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000035772 mutation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/048—Indexing scheme relating to G06F3/048
- G06F2203/04802—3D-info-object: information is displayed on the internal or external surface of a three dimensional manipulable object, e.g. on the faces of a cube that can be rotated by the user
Abstract
An electronic device and a control method thereof are provided. The electronic device comprises a host body, a screen, an image capturing device and an angle measuring device. The host body comprises a processing unit. The screen is pivoted to the host body. The image capturing device is coupled to the host body and used for acquiring a plurality of three-dimensional images and further analyzing coordinates of at least one determined object contained in the three-dimensional images in a three-dimensional space. The angle measuring device is coupled to the host body and the screen and is used for measuring an included angle between the host body and the screen. The processing unit calculates the range of the display area of the screen in the three-dimensional space according to the included angle, judges whether the established object touches the display area of the screen according to the range of the display area and the coordinates of the established object, and further judges an operation behavior of the established object in the display area when the established object is judged to touch the display area of the screen.
Description
Technical field
The present invention relates to a kind of electronic installation；More particularly to a kind of utilization depth camera implements screen touch controllable function
Electronic installation.
Background technology
With the development of electronic technology, various consumption electronic products (for example, mobile computer, e-dictionary, individuals
Digital assistants, mobile phone etc.) both facing to miniaturization, with convenient use person's carrying, and can use whenever and wherever possible.Usually
Avoid the display floater scratch of electronic product, the structure of folding can be utilized more than electronic product, display floater is covered in main frame
On part.
By taking mobile computer as an example, mobile computer can be divided mainly into host main body and by pin-joint mechanism and master
Screen two parts that machine body links.Therefore, when receiving and carrying mobile computer, screen can be covered in host main body
On, to avoid screen surface from invading keyboard gap or because of collision accidentally by foreign body scratch or dust, cause pin-joint mechanism
Damage.And during user mobile computer to be used, as long as the screen of mobile computer is raised.
In general, the screen that configured of mobile computer not Touch Screen.However, with touching or other controlling parties
Formula replaces has become the market mainstream gradually using the operator scheme of slide-mouse or Keyboard Control electronic installation.Accordingly, it would be desirable to a kind of complete
New electronic device design, it implements screen touch controllable function using depth camera.
The content of the invention
An a kind of embodiment of the invention, electronic installation includes host main body, screen, image-taking device and angulation dress
Put.Host main body includes processing unit.Screen is articulated in host main body.Image-taking device is coupled to host main body, many to obtain
Individual 3-dimensional image, and coordinate of at least one set object for further being included in analyzing three-dimensional image in three dimensions.
Angle measurer is coupled to host main body and screen, to measurement host body and the angle of screen.Processing unit is according to angle meter
Calculate in-scope of the viewing area of screen in three dimensions, and the in-scope according to viewing area and set object
Coordinate judges whether set object touches the viewing area of screen, and when set object is judged the display for touching screen
During region, an operation behavior of the set object in viewing area is determined whether.
According to another embodiment of the present invention, a kind of control method of electronic installation, including:Obtain many by image-taking device
Individual 3-dimensional image；Coordinate of at least one set object included in analyzing three-dimensional image in three dimensions；Filled by angulation
The host main body of measurement electronic installation and the angle of screen are put, wherein screen is articulated in host main body；According to angle calcu-lation screen
In-scope of the viewing area in three dimensions；Judged both with the coordinate of set object according to the in-scope of viewing area
Whether earnest body touches the viewing area of screen；And when set object is judged the viewing area for touching screen, sentence
Disconnected operation behavior of the set object in viewing area, and according to operation control electronic installation.
Description of the drawings
Fig. 1 shows the electronic installation block chart described in an embodiment of the invention.
Fig. 2 shows the electronic installation top view described in an embodiment of the invention.
Fig. 3 shows the electronic installation side view described in an embodiment of the invention.
Fig. 4 shows the control method flow chart of the electronic installation described in an embodiment of the invention.
Fig. 5 A show the side view of image-taking device described in an embodiment of the invention under control mode touch mode.
Fig. 5 B show the side view of image-taking device described in an embodiment of the invention under gesture mode.
Fig. 6 A show the side view of electronic installation described in an embodiment of the invention under control mode touch mode.
Fig. 6 B show the side view of electronic installation described in an embodiment of the invention under gesture mode.
Reference numeral explanation
100 electronic installations
110th, 210 host main body
120th, 220 screen
130th, 230 image-taking device
140th, 240 angle measurer
150 processing units
160th, 560 detection means
570 rotary apparatuss
580 trigger switch
Specific embodiment
Manufacture, operational approach, target and advantage to enable the present invention becomes apparent, several preferable enforcements cited below particularly
Example, and be described with reference to the accompanying drawings as follows.
Embodiment：
Fig. 1 shows the electronic installation block chart described in an embodiment of the invention.An embodiment of the invention,
Electronic installation 100 can be a mobile computer, and at least may include host main body 110, screen 120, image-taking device 130
With angle measurer 140.Host main body 110 can at least include processing unit 150 and detection means 160.Screen 120 passes through pivot joint machine
Structure (not shown) is articulated in host main body 110.Image-taking device 130 is coupled to host main body 110, to by the behaviour that shoots or photograph
Work obtains multiple 3-dimensional images, and at least one set object for further being included in analyzing three-dimensional image in a three dimensions
An interior coordinate.An embodiment of the invention, image-taking device 130 may include a camera (for example, a depth camera)
And a control chip.Control chip is to control shooting or the shooting operation of camera, and analyzing three-dimensional image.Angulation is filled
Put 140 and be coupled to host main body 110 and screen 120, to measurement host body 110 and an angle of screen 120.
Fig. 2 shows the electronic installation top view described in an embodiment of the invention.As illustrated, used herein
Three-dimensional coordinate system be (X, Y, Z), show coordinate of each element in three dimensions by the top view of electronic installation.Assume
Screen 220 is h with the length comprising host main body 210, and width is w, and angle measurer 240 is located at origin, its coordinate for (0,
0,0), and in this embodiment, the coordinate of image-taking device 230 for (a, 0, h), wherein 0≤a≤w.
Fig. 3 shows the electronic installation side view described in an embodiment of the invention.Assume a side of screen 220
Vertex coordinate is θ for the angle formed between (0, i, j), and host main body 210 and screen 220, wherein 0 ゜ ≦ θ≤180 ゜,
Therefore, according to two-dimensional coordinate transformation approach, the side vertex coordinate that can be derived from screen 220 is (0, hsin θ, hcos θ).As schemed
It is shown, a line is formed on the Y-Z plane that can be considered in three dimensions due to side and the angle measurer of screen, therefore, place
Reason unit 150 can further according to the side vertex coordinate of the coordinate (0,0,0) of angle measurer and screen 220 (0, hsin θ,
Hcos θ) the straight line equation that calculates the line on this Y-Z plane is:
Zsin θ-ycos θ=0 formula (1)
After linear equation sequence is obtained, processing unit 150 further can be determined according to a size of linear equation sequence and screen
Justice goes out in-scope of the viewing area of screen in three dimensions, as long as wherein any point in three dimensions coordinate (x,
Y, z) meet formula (1), and meet following condition:
X ∈ [0, w], y ∈ [0, h], z ∈ [- h, h] condition (1)
Then position system belongs to the viewing area in-scope of screen.It should be noted that assuming that in this
Size of the size of screen no better than viewing area.However, those skilled in the art are in the spirit and model without departing from the present invention
In enclosing, a little change and retouching can be done, for example, further viewing area more accurately be defined according to the size of viewing area
In-scope in three dimensions, and the present invention is not limited to any one embodiment.
An embodiment of the invention, screen is gone out in processing unit 150 according to the angle calcu-lation of screen and host main body
An in-scope of the viewing area in three dimensions after, can further from image-taking device (for example, image-taking device 130/230)
A coordinate of at least one set object included in 3-dimensional image in a three dimensions is obtained, wherein this set object can mat
By corresponding software or application setting so that the control chip of image-taking device (for example, image-taking device 130/230) can be by
Image analysing computers identify that set object whether there is in image frame, and further calculate the coordinate of set object.Lift
For example, user can perform touch control operation by corresponding software or application setting by finger or pen in advance.Therefore, control
Coremaking piece can identify the image for whether occurring finger or pen in the image frame for absorbing by image analysing computers, and in identification
After going out the image of finger or pen, the coordinate of finger or pen is further calculated.
An embodiment of the invention, due to the both earnest acquired by image-taking device (for example, image-taking device 130/230)
Housing mark is the coordinate system with the center of image-taking device (for example, image-taking device 130/230) for origin, thus, it is supposed that capture
The coordinate of device for (a, 0, wherein 0≤d≤h, and are (Cx, Cy, Cz) by the set object coordinate that image-taking device is exported d),
Then convolution (1) and condition (1), as long as Cx, Cy, Cz meet formula (2) and condition (2):
(Cz+d) sin θ-Cycos θ=0 formula (2)
Cx ∈ [- a, w-a], Cy ∈ [0, h], Cz ∈ [- (h+d), h-d] condition (2)
Then processing unit 150 can determine whether that set object touches the viewing area of screen.
An embodiment of the invention, as long as set object is judged the viewing area for touching screen, processes single
Unit 150 further can judge an operation behavior of the set object on viewing area according to the change of the coordinate of set object, and
According to the running of this operation control electronic installation 100.Even if consequently, it is possible to screen (for example, the screen of electronic installation 100
120/220) not Touch Screen, also can be by the function that touch-control is realized with upper type.
Fig. 4 shows the control method flow chart of the electronic installation described in an embodiment of the invention.First, by taking
As device obtains one of the set object included in multiple 3-dimensional images, and analyzing three-dimensional image in a three dimensions
Coordinate (step S402).Then, a host main body of electronic installation and the angle (step of a screen are measured by angle measurer
S404), wherein screen can be articulated in the host main body of electronic installation by pin-joint mechanism.Then, the processing meanss of electronic installation
Can be according to an in-scope (step S406) of the viewing area of angle calcu-lation screen in three dimensions.Then, dress is processed
Putting can judge whether set object touches the viewing area of screen according to the in-scope of viewing area and the coordinate of set object
Domain (step S408).Finally, when set object is judged the viewing area for touching screen, processing meanss can be determined whether
An operation behavior of the object in viewing area, and according to this operation control electronic installation (step S410).
Fig. 1 is referred back to, according to another embodiment of the present invention, electronic installation 100 can also include detection means 160, to
Whether the coverage of detection image-taking device includes the viewing area of screen, to cause electronic installation 100 further to switch on
Between control mode touch mode and gesture mode, increase the operating flexibility of electronic installation 100.
Fig. 5 A show the side view of image-taking device described in an embodiment of the invention under control mode touch mode.Fig. 5 B show
Show side view of the image-taking device described in an embodiment of the invention under gesture mode.Fig. 6 A show of the invention
Side view of the electronic installation described in one embodiment under control mode touch mode.Fig. 6 B are shown described in an embodiment of the invention
Side view of the electronic installation under gesture mode.With reference to Fig. 5 A, 5B, 6A and 6B, paragraphs below is by for the touch-control of electronic installation
Pattern is done with gesture mode and is further introduced.
An embodiment of the invention, image-taking device 230 may include a trigger switch 580.Additionally, image-taking device 230
Can be set up in host main body 210, and change the shooting angle of image-taking device 230 by a rotary apparatuss 570, therefore can change
Become the coverage of image-taking device 230.As shown in Figure 5A, under control mode touch mode, trigger switch 580 is electrical with detection means 560
Connection, therefore, when detection means 560 can detect that trigger switch 580, the first indication signal is can transmit to processing unit (figure
Do not show).Consequently, it is possible to processing unit can determine whether out that image-taking device 230 is stood on as shown in Figure 6A on host main body 210 at present.
Now, because the coverage of image-taking device 230 can cover the viewing area of screen, processing unit can start a control mode touch mode.
Under control mode touch mode, processing unit can obtain seat of the set object in the viewing area of screen from image-taking device 230 as described above
Mark change, and according to this operation behavior of the set object of coordinate mutation analysises in viewing area, and according to set object
Operation control electronic installation.
On the other hand, after image-taking device 230 is rotated as shown in Figure 5 B, trigger switch 580 will be unable to and detection means
560 are electrically connected with, and now, detection means 560 can transmit the second indication signal to processing unit, or, in other embodiment,
Detection means 560 can not transmit any indication signal to processing unit.When processing unit receives the second indication signal, Huo Zhewei
When receiving any indication signal, can determine whether out image-taking device 230 do not stand on as shown in Figure 6A at present host main body 210 it
On, it is inferred that the coverage of image-taking device 230 may cannot cover the viewing area of screen.Now, processing unit can
Start a gesture mode.Under gesture mode, processing unit can obtain set object in three dimensions from image-taking device 230
Coordinate changes, and according to this action of the set object of coordinate mutation analysises in three dimensions, and according to this action control
Electronic installation 100.
For example, user can perform gesture operation by corresponding software or application setting by both hands in advance,
And the operational order corresponding to each gesture can be set.Therefore, the control chip of image-taking device can be identified by image analysing computers
Whether occur the image of handss in the image frame for absorbing, and after the image that identification is sold, further calculate the seat sold
Mark, and keep track the coordinate change of handss.Image-taking device by the change output of the coordinate of handss to processing unit, therefore can process single
Unit can identify gesture that user is input into is why according to this change, and after gesture is identified, it is right according to gesture institute
The operational order control electronic installation 100 answered.
By the detection and the control of processing unit of detection means 160/560, electronic installation 100 can flexiblely switch
Between control mode touch mode and gesture mode so that electronic installation 100 can have the function of touching control and gesture control concurrently.
The above embodiment of the present invention can be performed in many ways, for example, performed using hardware, software or its combination.
It will be understood by a person skilled in the art that the set of any component or component for performing above-mentioned functions can be considered one or more controls
The processor of above-mentioned functions.This one or more processors can be performed in many ways, such as by specified hardware, or using micro-
Code or software perform above-mentioned functions come the common hardware for programming.
Though the present invention is disclosed as above with preferred embodiment, so it is not limited to the scope of the present invention, art technology
Personnel under the premise without departing from the spirit and scope of the present invention, can do a little change and retouching, therefore the protection of the present invention
Scope is defined by the claim of the present invention.
Claims (8)
1. a kind of electronic installation, including：
One host main body, including a processing unit；
One screen, is articulated in the host main body；
One image-taking device, is coupled to the host main body, to obtain multiple 3-dimensional images, and further analyzes these three-dimensional shadows
As a coordinate of interior at least one the included set object in a three dimensions；And
One angle measurer, is coupled to the host main body and the screen, to the angle for measuring the host main body and the screen；
A wherein in-scope of the processing unit according to a viewing area of the angle calcu-lation screen in the three dimensions,
And the in-scope according to the viewing area judges whether the set object touches this with the coordinate of the set object
The viewing area of screen, and when the set object is judged the viewing area for touching the screen, determine whether
An operation behavior of the set object in the viewing area；
The electronic installation also includes a detection means, the host main body is coupled to, to the shooting for detecting the image-taking device
Whether scope includes the viewing area, wherein when the coverage includes the viewing area, the processing unit starts a touch-control
Pattern, under the control mode touch mode, the processing unit judges whether the set object touches the viewing area, and when this is set
Object is judged when touching the viewing area, determines whether the operation behavior of the set object on the viewing area.
2. electronic installation as claimed in claim 1, the wherein processing unit are according to the angle measurer in the three dimensions
One coordinate goes out the line that a side of the screen and the angle measurer are formed in the three dimensions with the angle calcu-lation
One straight line equation, and the viewing area of the screen is gone out in this according to a Size calculation of the linear equation sequence and the screen
The in-scope in three dimensions.
3. electronic installation as claimed in claim 1, wherein the processing unit is further according to the image-taking device in the three-dimensional space
An interior coordinate, the in-scope of the viewing area judge whether the set object touches with the coordinate of the set object
To the viewing area of the screen.
4. electronic installation as claimed in claim 1, wherein when the coverage does not include the viewing area, the processing unit
Start a gesture mode, under the gesture mode, the processing unit further analyzes the set object according to these 3-dimensional images
An action in the three dimensions.
5. a kind of method, to control an electronic installation, including：
Multiple 3-dimensional images are obtained by an image-taking device；
Analyze a coordinate of at least one set object included in these 3-dimensional images in a three dimensions；
A host main body of the electronic installation and an angle of a screen are measured by an angle measurer, the wherein screen is articulated in
The host main body；
An in-scope according to a viewing area of the angle calcu-lation screen in the three dimensions；
Judge whether the set object touches this according to the in-scope of the viewing area and the coordinate of the set object
The viewing area of screen；And
When the set object is judged the viewing area for touching the screen, judge the set object in the viewing area
An operation behavior, and according to the operation control electronic installation；
Methods described also includes：
Detect a coverage of the image-taking device whether comprising the viewing area；And
When the coverage includes the viewing area, start a control mode touch mode, and under the control mode touch mode, performing basis should
The in-scope of viewing area judges whether the set object touches this of the screen and show with the coordinate of the set object
Show region and when the set object is judged the viewing area for touching the screen, judge the set object in the display
The operation behavior in region, and according to the step of the operation control electronic installation.
6. method as claimed in claim 5, wherein according to the viewing area of the angle calcu-lation screen in the three dimensions
The step of the interior in-scope also includes：
Determine a coordinate of the angle measurer in the three dimensions；
One side of the screen is gone out with the angle measurer in the three-dimensional space according to the coordinate of the angle measurer and the angle calcu-lation
One straight line equation of interior a formed line；And
The viewing area of the screen is gone out in the three dimensions according to a Size calculation of the linear equation sequence and the screen
The in-scope.
7. method as claimed in claim 5, wherein according to the seat of the in-scope of the viewing area and the set object
Mark judges whether the set object touches the step of the viewing area of the screen and also include：
Determine a coordinate of the image-taking device in the three dimensions；And
In-scope of the coordinate, the viewing area and the coordinate of the set object according to the image-taking device judges this both
Whether earnest body touches the viewing area of the screen.
8. method as claimed in claim 5, wherein when the coverage does not include the viewing area, also including：
Start a gesture mode；And
An action of the set object in the three dimensions is analyzed according to these 3-dimensional images, and should according to the action control
Electronic installation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102129095 | 2013-08-14 | ||
| TW102129095A TWI498806B (en) | 2013-08-14 | 2013-08-14 | Electronic devices and methods for controlling electronic devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104375629A CN104375629A (en) | 2015-02-25 |
| CN104375629B true CN104375629B (en) | 2017-05-17 |
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| CN201310386380.2A Active CN104375629B (en) | 2013-08-14 | 2013-08-30 | Electronic device and control method thereof |
Country Status (2)
| Country | Link |
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| CN (1) | CN104375629B (en) |
| TW (1) | TWI498806B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847060A (en) * | 2009-03-27 | 2010-09-29 | 联想(北京)有限公司 | Optical touch system and optical touch positioning method |
| TW201142466A (en) * | 2010-05-19 | 2011-12-01 | Himax Display Inc | Interactive projection system and system control method thereof |
| TW201218022A (en) * | 2010-10-27 | 2012-05-01 | jian-xian Yu | implementing input and control functions on electric device without using touch panel |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100879328B1 (en) * | 2008-10-21 | 2009-01-19 | (주)컴버스테크 | Apparatus and method for modulating finger depth by camera and touch screen with the apparatus |
| GB2486445B (en) * | 2010-12-14 | 2013-08-14 | Epson Norway Res And Dev As | Camera-based multi-touch interaction apparatus system and method |
-
2013
- 2013-08-14 TW TW102129095A patent/TWI498806B/en active
- 2013-08-30 CN CN201310386380.2A patent/CN104375629B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847060A (en) * | 2009-03-27 | 2010-09-29 | 联想(北京)有限公司 | Optical touch system and optical touch positioning method |
| TW201142466A (en) * | 2010-05-19 | 2011-12-01 | Himax Display Inc | Interactive projection system and system control method thereof |
| TW201218022A (en) * | 2010-10-27 | 2012-05-01 | jian-xian Yu | implementing input and control functions on electric device without using touch panel |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201506764A (en) | 2015-02-16 |
| TWI498806B (en) | 2015-09-01 |
| CN104375629A (en) | 2015-02-25 |
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