CN102375565B - Interactive pointing device capable of switching acquisition range and method for switching acquisition range - Google Patents
Interactive pointing device capable of switching acquisition range and method for switching acquisition range Download PDFInfo
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Abstract
The invention discloses an interactive pointing device capable of switching an acquisition range and a method for switching the acquisition range. The interactive pointing device comprises an image acquisition element and a processing unit, wherein the image acquisition element is used for acquiring a light signal and outputting an image signal; and the processing unit is used for judging a switching signal and responsible for processing and analyzing the image signal. According to the image signal, the switching signal is judged and coordinates are converted by a computing unit, so that the interactive pointing device capable of switching the acquisition range can be operated in hosts with different resolutions.
Description
Technical field
The present invention relates to a kind of interactive indicator device and corresponding method, particularly a kind of interactive indicator device of changeable acquisition scope and the method for switching the acquisition scope.
Background technology
In recent years, because the development of science and technology is quick, interactive multimedia device is also and then more and more universal.Interactive multimedia device can allow user and audio and video carry out interaction, to reach the effect of amusement.
The interactive multimedia device control device of need to arranging in pairs or groups uses.Control device is except can controlling with button, and more advanced control device also has the technology of pointing to location and action induction.Point to and locate the cursor that just can control on screen as mouse, and action induction can detect three dimensions central movement and rotation.
Point to the technology of location, need to use an Image Sensor, come the direction of detection control apparatus indication.Yet, the control device of prior art, its Image Sensor that possesses only can be exported a kind of fixing coordinate format.That is to say that existing control device could use on the special main frame of can only arranging in pairs or groups.If control device will be used on the main frame of different size, for example, the main frame of corresponding different resolution, can be different because of coordinate format, and the position that makes cursor show is different.For example, be in the main frame of 720x480 in resolution, if in cursor one of them corner at picture, its corresponding coordinate is (720,480).Yet if same coordinate (720,480) is corresponded in the main frame that resolution is 1280x720, the coordinate of its demonstration will drop on the position of picture central authorities.That is to say, existing control device, main frame that can only corresponding single resolution can't be supported the main frame of different resolution.
Summary of the invention
In view of above problem, the invention reside in the interactive indicator device that changeable acquisition scope is provided, there is the problem of the control device that can't support different resolution so as to solving prior art.
The interactive indicator device of disclosed changeable acquisition scope according to the present invention comprises an image capture element and a processing unit.The image capture element is in order to capturing a light signal, and exports a signal of video signal.The image capture element operation is in one first acquisition scope and one second acquisition scope.The first acquisition scope comprises the second acquisition scope.
Processing unit according to switching signal to control the acquisition scope.Switching signal is divided into a first mode or one second pattern.When switching signal was first mode, processing unit was controlled the image capture element with the first acquisition scope acquisition light signal, and with the signal of video signal that the image capture element captures, is converted to one first coordinate data.When switching signal was the second pattern, processing unit was controlled the image capture element with the second acquisition scope acquisition light signal, and with the signal of video signal that the image capture element captures, is converted to one second coordinate data.
According to the interactive indicator device of the disclosed changeable acquisition scope of another embodiment of the present invention, comprise an image capture element and a processing unit.The image capture element is in order to capturing a light signal, and exports a signal of video signal.Switching signal is divided into first mode or the second pattern.Processing unit is controlled image capture element acquisition light signal, and when switching signal was first mode, processing unit converted signal of video signal to first coordinate data.When switching signal was the second pattern, processing unit converted signal of video signal to second coordinate data.
According to one embodiment of the invention, when this switching signal was second pattern, this processing unit converted this signal of video signal to this first coordinate data, then converted this first coordinate data to this second coordinate data.
The method that disclosed switching for interactive indicator device captures scope according to the present invention comprises following step:
One image capture element and a processing unit are provided; Receive one and switch signal, and the judgement switching signal is a first mode or one second pattern; Utilize image capture element acquisition one light signal, when switching signal was first mode, the image capture element used the first acquisition scope acquisition light signal, and when switching signal was the second pattern, the image capture element used the second acquisition scope acquisition light signal; Transmitting photo-signal is a signal of video signal; And when switching signal was first mode, processing unit was according to signal of video signal output one first coordinate data, and when switching signal was the second pattern, processing unit was according to signal of video signal output the second coordinate data.
Effect of the present invention is, interactive indicator device and method based on above-mentioned changeable acquisition scope, in the process of controlling, signal of video signal by the acquisition of image capture element, for the judgement of switching signal and calculating and the conversion of the first coordinate or the second coordinate, make the interactive indicator device of changeable acquisition scope have the effect of the main frame that is operable in different resolution via arithmetic element.In the switching of different resolution, correspond to the TV cursor that the user sees, do not have the difference in switching.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the square bearer composition according to the first embodiment of interactive indicator device of the present invention;
Fig. 2 is the acquisition scope schematic diagram according to image capture element of the present invention;
Fig. 3 is the square bearer composition according to the second embodiment of interactive indicator device of the present invention;
Fig. 4 is applied to the schematic diagram of the first embodiment of interaction systems for indicator device according to the present invention;
Fig. 5 is applied to the schematic diagram of the second embodiment of interaction systems for indicator device according to the present invention;
Fig. 6 is the method flow diagram according to the first embodiment of switching acquisition scope of the present invention; And
Fig. 7 is the method flow diagram according to the second embodiment of switching acquisition scope of the present invention.
Wherein, Reference numeral
10 interactive indicator devices
20 image capture elements
30 processing units
40 signal receiving elements
50 signal sending elements
60 first acquisition scopes
70 second acquisition scopes
81 first main frames
82 second main frames
90 display screens
92 light emitting sources
A the first sensing angle
B the second sensing angle
Embodiment
Below be to further describe detailed features of the present invention and advantage in embodiment, its content is enough to make any those skilled in the art understand technology contents of the present invention and implement according to this, and content disclosed according to this instructions, claim scope and graphic, any those skilled in the art can understand purpose and the advantage that the present invention is correlated with easily.
Please refer to Fig. 1, Fig. 1 is the square bearer composition according to the first embodiment of interactive indicator device of the present invention.Interactive indicator device 10 comprises an image capture element 20 and a processing unit 30.
Image capture element 20 is in order to capturing a light signal, and exports a signal of video signal.Image capture element 20 can be a charge coupled cell (Charge-coupled Device, CCD) or a complementary metal oxide layer semiconductor (Complementary Metal-Oxide-Semiconductor, CMOS).
First kind of way please refer to Fig. 2, and Fig. 2 is the acquisition scope schematic diagram according to image capture element of the present invention.
During image capture element 20 acquisition light signal, can operate in the first acquisition scope 60 or the second acquisition scope 70.The first acquisition scope 60 comprises the second acquisition scope 70.For example, the scope of the first acquisition scope 60 correspondences is 160 * 160 pixels, and the scope of the second acquisition scope 70 correspondences is 96 * 128 pixels.
When switching signal was first mode, processing unit 30 was controlled image capture element 20 with the first acquisition scope 60 acquisition light signals, and with the signal of video signal that image capture element 20 captures, is converted to one first coordinate data.When switching signal was the second pattern, processing unit 30 was controlled image capture element 20 with the second acquisition scope 70 acquisition light signals, and with the signal of video signal that image capture element 20 captures, is converted to the second coordinate data.
The second way is to utilize the coordinate values conversion.When switching signal was first mode, the signal of video signal that processing unit 30 captures image capture element 20 converted the first coordinate data to.When switching signal was the second pattern, image capture element 20 still captured light signal with the first acquisition scope 60.Due under the second pattern, processing unit 30 must produce the second coordinate data, therefore, and after the signal of video signal that processing unit 30 captures image capture element 20 converts the first coordinate data to, the mode that can change by coordinate values again is converted to the second coordinate data with the first coordinate data.
For example, the coordinate values conversion can be converted to the second coordinate data (X-Δ X, Y-Δ Y) with the first coordinate data (X, Y), or (X/CX, Y/CY).That is to say, the second coordinate data be first coordinate data through translation or dwindle after result.
Please refer to Fig. 3, Fig. 3 is the square bearer composition according to the second embodiment of interactive indicator device of the present invention.Interactive indicator device 10 comprises image capture element 20, processing unit 30, signal receiving element 40 and signal sending element 50.
In this embodiment, signal receiving element 40 can be wired or wireless signal transmitting and receiving element with signal sending element 50.Such as be the radio transmission elements that meets bluetooth compliant.
Please refer to Fig. 4 and Fig. 5, Fig. 4 is applied to the schematic diagram of the first embodiment of interaction systems for indicator device according to the present invention, and Fig. 5 is applied to the schematic diagram of the second embodiment of interaction systems for indicator device according to the present invention.
Interaction systems comprises display screen 90, main frame (the first main frame 81 or the second main frame 82), light emitting source 92 and interactive indicator device 10.Light emitting source 92 is configurable above or below the display screen 90, and comprises a plurality of infrared light sources.Be provided with the image capture element 20 that fechtable light emitting source 92 sends in interactive indicator device 10, the image capture element 20 of the interactive indicator device 10 by changeable acquisition scope is at the light signal of different time points acquisition, calculate corresponding coordinate through processing unit 30, and be reflected on display screen 90.Main frame can be divided into the second main frame 82 that has high-resolution the first main frame 81 and have low resolution.
When interactive indicator device 10 is used in the first main frame 81, has the first sensing angle A, as shown in Figure 4.When interactive indicator device 10 is used in the second main frame 82, has the second sensing angle B, as shown in Figure 5.Wherein, the first sensing angle A is greater than the second sensing angle B.
When interactive indicator device 10 and the second main frame 82 collocation were used, processing unit 30 can judge that according to the switching signal that main frame sends the main frame of collocation is the second main frame 82.Processing unit 30 can according to switching signal select output to correspond to the first coordinate data of the first main frame 81 or the second coordinate data of corresponding to the second main frame 82 to main frame.And by main frame, coordinate is output on display screen 90.
Please refer to Fig. 6, Fig. 6 is the method flow diagram according to the first embodiment of switching acquisition scope of the present invention.
In step S101, interactive indicator device 10 comprises image capture element 20 and processing unit 30.Wherein, image capture element 20 is in order to capturing light signal, and output image signal.Processing unit 30 is used for passive reception and response from the switching signal of main frame, and is responsible for processing and analyzing the signal of video signal that comes from image capture element 20.
In step S102, processing unit 30 receives switching signal, and the judgement switching signal is a first mode or one second pattern.
In step S103, processing unit 30 utilizes image capture element 20 acquisition one light signals, during image capture element 20 acquisition light signal, can operate in one first acquisition scope 60 or one second acquisition scope 70, when switching signal is first mode, image capture element 20 uses the first acquisition scope 60 acquisition light signals, and when switching signal was the second pattern, image capture element 20 used the second acquisition scope 70 acquisition light signals.
In step S104, when switching signal is first mode, signal of video signal output one first coordinate data that processing unit 30 captures according to the first acquisition scope 60, when switching signal is the second pattern, the signal of video signal that captures output the second coordinate data that processing unit 30 captures according to the second acquisition scope 70.Image capture element 20 can be contrasted the signal of video signal of image capture element 20 in different time points output, to calculate the first coordinate data or the second coordinate data.
In step S105, the first coordinate data or the second coordinate data can be transmitted.Preferably, the first coordinate data or the second coordinate data can utilize signal sending element 50 to transmit.
Please refer to Fig. 7, Fig. 7 is the method flow diagram according to the second embodiment of switching acquisition scope of the present invention.
In step S201, interactive indicator device 10 comprises image capture element 20 and processing unit 30.Wherein, image capture element 20 is in order to capturing light signal, and output image signal.Processing unit 30 is used for passive reception and response from the switching signal of main frame, and is responsible for processing and analyzing the signal of video signal that comes from image capture element 20.
In step S202, processing unit 30 receives switching signal, and the judgement switching signal is a first mode or one second pattern.
In step S203, image capture element 20 is converted to signal of video signal with light signal.Processing unit 30 is contrasted the signal of video signal of image capture element 20 in different time points output, to calculate the first coordinate data.
In step S204, when switching signal is first mode, processing unit 30 output the first coordinate datas.When switching signal was the second pattern, processing unit 30 utilized the mode of coordinate values conversion, the first coordinate data is converted to the second coordinate data, and exports the second coordinate data.
In step S205, the first coordinate data or the second coordinate data can be transmitted.Preferably, the first coordinate data or the second coordinate data can utilize signal sending element 50 to transmit.
In sum, interactive indicator device according to the changeable acquisition scope of above-described embodiment, in the process of controlling, signal of video signal by the acquisition of image capture element, for the judgement of switching signal and calculating and the conversion of the first coordinate or the second coordinate, make the interactive indicator device of changeable acquisition scope have the effect of the main frame that is operable in different resolution via arithmetic element.
Certainly; the present invention also can have other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (11)
1. the interactive indicator device of a changeable acquisition scope, is characterized in that, comprising:
One image capture element operates in one first acquisition scope and one second acquisition scope, capturing a light signal, and exports a signal of video signal; And
One processing unit, switch signal in response to one, when this switching signal is a first mode, this processing unit is controlled this image capture element and is captured this light signal with this first acquisition scope, this processing unit converts this signal of video signal to one first coordinate data, and when this switching signal was second pattern, this processing unit was controlled this image capture element and captured this light signal with this second acquisition scope, this processing unit converts this signal of video signal to one second coordinate data
Wherein, the corresponding high resolving power of this first mode, the corresponding low resolution of this second pattern; And
This first acquisition scope comprises this second acquisition scope.
2. the interactive indicator device of changeable acquisition scope according to claim 1, is characterized in that, also comprises a signal sending element, and this signal sending element is in order to transmit this first coordinate data or this second coordinate data.
3. the interactive indicator device of changeable acquisition scope according to claim 1, is characterized in that, also comprises a signal receiving element, and this signal receiving element is in order to receive this switching signal.
4. the interactive indicator device of changeable acquisition scope according to claim 1, is characterized in that, this image capture element and this processing unit are for being integrated in a single-chip.
5. the interactive indicator device of changeable acquisition scope according to claim 1, is characterized in that, this processing unit is with this signal of video signal contrast of this image capture element different time points output, to calculate this first coordinate data or this second coordinate data.
6. the interactive indicator device of changeable acquisition scope according to claim 1, is characterized in that, this image capture element is a charge coupled cell or a complementary metal oxide layer semiconductor.
7. a method that is used for the switching acquisition scope of interactive indicator device, is characterized in that, comprising:
One image capture element and a processing unit are provided;
Receive one and switch signal, and judge that this switching signal is a first mode or one second pattern;
Utilize this image capture element acquisition one light signal;
Changing this light signal is a signal of video signal; And
When this switching signal was this first mode, this processing unit was according to this signal of video signal output one first coordinate data, and when this switching signal was this second pattern, this processing unit was exported one second coordinate data according to this signal of video signal,
Wherein, this image capture element has one first acquisition scope and one second acquisition scope, this the first acquisition scope comprises this second acquisition scope, when this switching signal is this first mode, use this first acquisition scope to capture this light signal, and export this first coordinate data according to this light signal, when this switching signal is this second pattern, use this second acquisition scope to capture this light signal, and export this second coordinate data according to this light signal; And the corresponding high resolving power of this first mode, the corresponding low resolution of this second pattern.
8. the method that captures scope for the switching of interactive indicator device according to claim 7, is characterized in that, also comprises a step: transmit this first coordinate data or this second coordinate data.
9. the method for the switching acquisition scope for interactive indicator device according to claim 7, it is characterized in that, when this switching signal is this second pattern, this processing unit is exported this first coordinate data according to this signal of video signal, then converts this first coordinate data to this second coordinate data.
10. the method that captures scope for the switching of interactive indicator device according to claim 9, is characterized in that, also comprises a step: transmit this first coordinate data or this second coordinate data.
11. the method that captures scope for the switching of interactive indicator device according to claim 7, it is characterized in that, this processing unit is with this signal of video signal contrast of this image capture element different time points output, to calculate this first coordinate data or this second coordinate data.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200410125A (en) * | 2002-12-13 | 2004-06-16 | Uc Logic Technology Corp | Abstraction method and device for coordinate input |
| CN101282411A (en) * | 2008-03-14 | 2008-10-08 | 青岛海信电器股份有限公司 | Control apparatus, video unit containing the same and control method thereof |
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| US6919880B2 (en) * | 2001-06-01 | 2005-07-19 | Smart Technologies Inc. | Calibrating camera offsets to facilitate object position determination using triangulation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200410125A (en) * | 2002-12-13 | 2004-06-16 | Uc Logic Technology Corp | Abstraction method and device for coordinate input |
| CN101282411A (en) * | 2008-03-14 | 2008-10-08 | 青岛海信电器股份有限公司 | Control apparatus, video unit containing the same and control method thereof |
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