CN101290711A - Remote controlling device, pointing interactive system and cursor control method - Google Patents
Remote controlling device, pointing interactive system and cursor control method Download PDFInfo
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Abstract
The invention provides a remote control device, a direction interactive system and a cursor control method. The remote control device is used for pointing to an outer plane carried with a plurality of infrared signalized points. The remote control device comprises an infrared image acquisition device, a data processing unit and a signal transmitter, wherein the infrared image acquisition device is used for acquiring the infrared light emitted by a plurality of the infrared signalized points to form infrared image data; the data processing unit is used for receiving and processing the infrared image data to form direction position parameters of the remote control device based on the plane on which the plurality of the infrared signalized points are arranged; and the signal emitter coupled with the data processing unit is used for emitting the pointing position parameters. The cursor control method uses the infrared image identification technology to determine a cursor position through the control device pointing to a display device, and then cooperates with the key-presses of the remote control device to realize mouse control.
Description
Technical field
The present invention relates to televisor and telepilot, relate in particular to a kind of telechiric device, pointing interactive system and cursor control method that is applied to televisor and telepilot.
Background technology
All the time, TV all is the important channel that people obtain information, entertainment life to the external world, even if today of internet fast development, TV also with its intuitive, information reliability and in people's life in occupation of unshakable position.
Along with the increase gradually of televisor function, people become complicated day by day to the operation of televisor.Original mode of operation by remote controller key is the needs of incompatibility televisor development gradually.With reference to personal computer system's successful experience, the mode by similar mouse is the complicated operation interface very easily.But, directly use the traditional mouse-operated televisor can't obtain desirable effect because people use the custom of televisor different with personal computer.
Summary of the invention
Fundamental purpose of the present invention is to propose a kind of telechiric device, pointing interactive system and cursor control method, to change the mode of operation of existing televisor, solves problem pointed in the above-mentioned prior art.
Above-mentioned purpose of the present invention is achieved by the following technical solution.
A kind of telechiric device, this telechiric device are used for the plane that is loaded with a plurality of infrared monumented points of directed outwards, and this telechiric device comprises: the infrared image acquisition device, be used to gather the infrared light of described a plurality of infrared monumented point emissions, and generate infrared picture data; Data processing unit is used to receive described infrared picture data, and described infrared picture data is handled, and generates the sensing location parameter of described telechiric device based on plane, described a plurality of infrared monumented point place; And signal projector, be coupled with above-mentioned data processing unit, be used for described sensing location parameter is launched.
According to one embodiment of the invention, described infrared image acquisition device comprises: infrared fileter is used to filter the visible light composition of incident ray; And video camera, be used for generating infrared picture data according to the infrared light that sees through described infrared fileter.
According to one embodiment of the invention, the optional resolution of described video camera comprises 320 * 240,640 * 480.
According to one embodiment of the invention, described video camera is a ccd video camera, comprises the CCD monitoring camera.
According to one embodiment of the invention, described video camera has wide-angle lens.
According to one embodiment of the invention, described data processing unit comprises: pretreatment unit is used for the infrared picture data of infrared image acquisition device transmission is carried out binaryzation and search connected region; Filter element links to each other with above-mentioned pretreatment unit, is used for the size and dimension according to each infrared monumented point, above-mentioned connected region is filtered, to determine the numbering of each infrared monumented point; And computing unit, link to each other with above-mentioned filter element, be used for position according to above-mentioned infrared monumented point, based on plane, described a plurality of infrared monumented point place, calculate the sensing location parameter of telechiric device.
According to one embodiment of the invention, described signal projector is Infrared Projector or Bluetooth signal transmitter.
A kind of pointing interactive system comprises display device and telechiric device, and described display device comprises: a plurality of infrared monumented points are used to launch infrared light; And signal receiver, be used for the signal that the received signal transmitter is launched; Described telechiric device comprises: the infrared image acquisition device, be used to gather the infrared light of described a plurality of infrared monumented point emissions, and generate infrared picture data; Data processing unit is used to receive described infrared picture data, and described infrared picture data is handled, and generates the sensing location parameter of described telechiric device based on plane, described a plurality of infrared monumented point place; And signal projector, be coupled with described data processing unit, be used for described sensing location parameter is launched.
According to one embodiment of the invention, described infrared monumented point comprises a plurality of near-infrared band light emitting diodes.
According to one embodiment of the invention, described infrared image acquisition device comprises: infrared fileter is used to filter the visible light composition of incident ray; And video camera, be used for generating infrared picture data according to the infrared light that sees through described infrared fileter.
According to one embodiment of the invention, the optional resolution of described video camera comprises 320 * 240,640 * 480.
According to one embodiment of the invention, described video camera is a ccd video camera, comprises the CCD monitoring camera.
According to one embodiment of the invention, described video camera has wide-angle lens.
According to one embodiment of the invention, described data processing unit comprises: pretreatment unit is used for the infrared picture data of infrared image acquisition device transmission is carried out binaryzation and search connected region; Filter element links to each other with above-mentioned pretreatment unit, is used for the size and dimension according to each infrared monumented point, above-mentioned connected region is filtered, to determine the numbering of each infrared monumented point; And computing unit, link to each other with above-mentioned filter element, be used for position according to above-mentioned infrared monumented point, based on plane, described a plurality of infrared monumented point place, calculate the sensing location parameter of telechiric device.
According to one embodiment of the invention, described signal projector is Infrared Projector or Bluetooth signal transmitter; Described signal receiver is infrared signal receiver or Bluetooth signal receiver.
A kind of cursor control method, be applied to display device and telechiric device, this display device comprises a plurality of infrared monumented points and signal receiver, this telechiric device comprises infrared image acquisition device, data processing unit and signal projector, this method mainly comprises the following steps: the infrared light of described infrared image acquisition device according to described a plurality of infrared monumented point emissions, generates infrared picture data; Described data processing unit receives described infrared picture data, this infrared picture data is handled, to generate the sensing location parameter of this telechiric device based on plane, described a plurality of infrared monumented point place; The signal projector that links to each other with above-mentioned data processing unit sends to above-mentioned sensing location parameter the signal receiver of described display device.
According to one embodiment of the invention, this method also comprises the following steps: described infrared monumented point emission infrared light; The infrared fileter of described image collecting device filters out the visible light in the incident light; The video camera of described image collecting device generates infrared picture data according to the infrared light that sees through described infrared fileter.
According to one embodiment of the invention, described data processing unit comprises pretreatment unit, filter element and computing unit, and the step of above-mentioned analyzing and processing also comprises: described pretreatment unit carries out binaryzation and search connected region to the infrared picture data of infrared image acquisition device transmission; Described filter element filters above-mentioned connected region according to the size and dimension of each infrared monumented point, to determine the numbering of each infrared monumented point; And described computing unit based on plane, described a plurality of infrared monumented point place, calculates the sensing location parameter of telechiric device according to the position of above-mentioned infrared monumented point.
According to one embodiment of the invention, the step of the numbering of described definite infrared monumented point is to be undertaken by the method for test of hypothesis and template matches.
According to one embodiment of the invention, described computing method are location-estimation algorithm, comprise 4 coplane algorithms, POSIT algorithm.
Telechiric device of the present invention, pointing interactive system and cursor control method, be applied to televisor and telepilot, use the technology of infrared image identification, determine a cursor position by telepilot pointed at television machine screen, cooperate button on the telepilot to realize the purpose of mouse control again, made things convenient for control and the use of people televisor.
Description of drawings
Fig. 1 is the synoptic diagram of the pointing interactive system of a preferred embodiment of the present invention;
Fig. 2 is the inner structure synoptic diagram of the telechiric device in embodiment illustrated in fig. 1;
Fig. 3 is the block diagram of the telechiric device of a preferred embodiment of the present invention;
Fig. 4 is the block diagram of display device of the pointing interactive system of a preferred embodiment of the present invention;
Fig. 5 is the processing flow chart of the data processing unit in embodiment illustrated in fig. 1.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer,, the embodiment of the invention is described in further details below in conjunction with embodiment and accompanying drawing.At this, illustrative examples of the present invention and explanation thereof are used to explain the present invention, but not as a limitation of the invention.
Core content of the present invention is, use the technology of infrared image identification, utilize video camera and the preposition infrared fileter installed in the telechiric device, and the infra-red tracing system of the infrared monumented point composition that is provided with on the display device, on described video camera, obtain the infrared picture data that the stable infrared light by infrared monumented point emission constitutes, again according to the information of this infrared monumented point, calculate the sensing location parameter of this telechiric device on display screen, also promptly determine a cursor point, cooperate the button on the telepilot to realize mutual control again.
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
At first please refer to Fig. 1, pointing interactive system of the present invention comprises the two large divisions, i.e. display device 1 and telechiric device 4, and the televisor that display device 1 can generally be used is now realized, realizes and telechiric device 4 can be applied to the telepilot of televisor.
Wherein, please refer to Fig. 4, display device 1 is removed and is comprised original functional unit, outside CPU (central processing unit), display unit, also comprise a plurality of infrared monumented points 2 and a signal receiver 3, as shown in Figure 1, these infrared monumented points 2 be arranged in the mode of disperseing or gather display device 1 display screen around, particular location depends on the needs, it is mainly used in the emission near infrared light, to form a infrared image respectively, be convenient to be identified and follow the tracks of with definite shape and size connected region formation.In the present embodiment, each infrared monumented point all is made up of a plurality of near-infrared band light emitting diodes, certainly, the present invention does not limit with this, it also can be made up of other the element that can launch infrared light, or formed by the element of reflects infrared light, as long as can send infrared light so that infrared image acquisition device identification and following the tracks of.Signal receiver 3 then is arranged at the position of being convenient to received signal on this display device, the signal that is used for the emission of received signal transmitter, for example the sensing location parameter of telechiric device 4 and the key information of telechiric device etc., and the CPU (central processing unit) that sends display device 1 to carries out control corresponding or operation, for example moving cursor, launch menu etc.In the present embodiment, signal receiver 3 can be an infrared signal receiver, also can be the Bluetooth signal receiver.
Please refer to Fig. 2 again, please refer to Fig. 3 simultaneously, according to this embodiment of the present invention, telechiric device 4 mainly comprises the infrared image acquisition device, data processing unit 7 and signal projector 8, wherein, the infrared image acquisition device is installed on the front end of this telechiric device 4, be used for obtaining in real time and discern the infrared image that connected region that the infrared light of above-mentioned infrared monumented point 2 emissions forms constitutes, in the present embodiment, it is made up of video camera 5 and infrared fileter 6, infrared fileter 6 is installed in the light path of video camera 5, is used to filter the visible light part of incident ray, and only by corresponding waveband infrared; Video camera 5 is installed on the front end of telechiric device 4, join with aforementioned infrared fileter 6, its camera lens points to the place ahead of telechiric device 4, to obtain image through infrared fileter 6, and the generation infrared picture data, in the present embodiment, the optional resolution of this video camera is 320 * 240,640 * 480 etc., its preferred embodiment is CCD (Charged Coupled Device) video camera, and for example common CCD monitoring camera is first-class.Data processing unit 7 is coupled with the infrared image acquisition device, it generally is arranged at the inside of this telechiric device, mainly comprise pretreatment unit 71, filter element 72 that links to each other with this pretreatment unit and the computing unit 73 that links to each other with this filter element, this data processing unit 7 is used for the infrared picture data of infrared image acquisition device transmission is carried out analyzing and processing, extract each infrared monumented point 2 position in image, and come the use location algorithm for estimating according to these monumented points, as the sensing location parameter of calculating telechiric devices 4 such as 4 coplane algorithms or POSIT algorithm, concrete process will be described hereinafter.Certainly, for the convenience on calculating, the number of the infrared monumented point of choosing is also very important, is no less than three usually.Signal projector 8 is to be coupled with data processing unit 7, and it generally is arranged at the end of this telechiric device, and the position of being convenient to transmit is used for above-mentioned sensing location parameter is sent to aforementioned signal receiver 3.Same, in this embodiment of the invention, signal projector 8 both can be that Infrared Projector can be the Bluetooth signal transmitter also, was used to launch the result of calculation of data processing equipment, as the sensing location parameter of telechiric device 4, perhaps launch the key information of key-press input unit input.When adopting Infrared Projector, this Infrared Projector can send to aforementioned signal receiver 3 in the infrared light mode of encoding with the result of calculation of data processing unit.
Request in person in the lump treatment scheme down, and the preferred embodiment of the pointing interactive system of the present invention shown in Fig. 1-4 and display device, telechiric device, the cursor control method of a preferred embodiment of the present invention is described with reference to data processing unit shown in Figure 5.
In the present embodiment, as shown in Figure 1, suppose to have five infrared monumented points 2.
At first, infrared monumented point 2 is launched the infrared light of a certain characteristic frequency, at this moment display device 1 content displayed and other luminophors also send certain light simultaneously, these input light are through the infrared fileter 6 in the infrared image acquisition device of telechiric device 4, please refer to Fig. 2, finally generate infrared picture data by video camera 5.
Because infrared fileter 6 has filtered out the visible light part in the input light, display device 1 content displayed and other visible light objects in the visible light are effectively filtered, thereby avoided interference, made the corresponding waveband infrared formed infrared image that in the infrared image that video camera 5 obtains, has only 2 emissions of five infrared monumented points.
At this moment, only there are each infrared monumented point 2 formed hot spots in the infrared image that video camera 5 is obtained, because each infrared monumented point 2 is according to the certain space positional alignment, the image that the connected region of their each self-formings constitutes, also be that each above-mentioned hot spot also has corresponding position relation, can identify the numbering of each infrared monumented point 2 according to this position relation.
Then, data processing unit 7 receives the infrared picture data of video camera 5, and the use location algorithm for estimating, as 4 coplane algorithms or POSIT algorithm, calculates the sensing location parameter of telechiric device 4, to determine the pointing direction of this telechiric device.
Wherein, gathering infrared image, during with the sensing location parameter of detection computations telechiric device 4, telechiric device 4 needs to point to the screen of display device 1, like this, because video camera 5 is positioned at the front end of telechiric device 4, the screen that it just can also point to display device 1 simultaneously allows screen as far as possible in the visual field of video camera 5.For reaching preferable effect, video camera 5 can select for use wide-angle lens to enlarge the zone of images acquired.
Please refer to Fig. 3, Fig. 5, the processing procedure to data processing unit 7 describes below.
In this embodiment of the invention, at first, as step S1, data processing unit 7 will receive the infrared picture data of video camera 5 transmission, and this process explains hereinbefore, repeats no more here; Then, as step S2, data processing unit 7 carries out pre-service by 71 pairs of infrared picture data that obtain of pretreatment unit after receiving infrared picture data, the pre-service here mainly refers to infrared picture data is carried out binaryzation, and searches for the connected region that each infrared monumented point produces; Again then, as step S3, the size and dimension of the connected region that constitutes according to each infrared monumented point 2 by filter element 72, the connected region that above-mentioned steps S2 obtains is filtered, remove the influence of other luminous objects, and the method for using test of hypothesis and masterplate to mate, determine that the monumented point of each connected region correspondence is numbered; At last, as step S4,,, also be display screen based on plane, described a plurality of infrared monumented point place again by the position of computing unit 73 according to these infrared monumented points 2, calculate the sensing location parameter of telechiric device 4, determine the pointing direction of this telechiric device.
What generally generally use is the location estimation computing unit, that is to say that this location estimation computing unit use location algorithm for estimating calculates the sensing location parameter of telechiric device 4.
In this embodiment, realize that the method for aforementioned calculation also has a lot, for example:
1: use the location estimation method of multiple spot coplane to calculate, typical as 4 coplane algorithms;
2: should concern according to the list of planar structure in affined transformation and to calculate, typical in the POSIT algorithm.
The aforementioned calculation method all belongs to the content of prior art, does not repeat them here.And this embodiment of the present invention is not limited to this two kinds of methods, and the method that any position calculation according to infrared monumented point goes out the sensing location parameter of telechiric device all is contained in protection scope of the present invention.
At last, point to the result of calculation of position and launch, and receive by the signal receiver 3 of display device 1 by the signal projector 8 of telechiric device 4.Here, as preceding disclosed, signal projector 8 and signal receiver 3 can realize that its structure is identical with the infrared control part of general TV remote controller with principle, repeats no more by Infrared Projector, infrared signal receiver.And this signal projector 8 and this signal receiver 3 also can be realized by Bluetooth signal transmitter, Bluetooth signal receiver, as everyone knows, Bluetooth technology has been widely used in each technical field, for being applied to this field of the present invention, implement also comparatively simply, do not repeat them here.
Receive the sensing location parameter of telechiric device for signal receiver, send the central processing unit for processing of display device to, also be widely used with the technology that on the display screen of display device, shows a cursor in computer realm, for example, the central processing unit of computer system can be according to the positional information that receives (as coordinate x, y value), drive " mouse event " and show a cursor, also repeat no more here in the relevant position of display screen.
Need to prove, because infrared monumented point all is arranged on the fixed position of display device 1, so can be, calculate the focal position on the plane, screen place of the ray of telechiric device 4 pointing directions decision and display device 1 according to known infrared monumented point 2 in three-dimensional position.This position is cursor position.When user's hand-held remote control device 4 points to the diverse location of display screen of display device 1, by the above-mentioned course of work, pointing interactive system of the present invention can be at the screen correspondence position, also be that above-mentioned focal position shows a cursor, thereby realize the content exchange in user and the screen, button on the combined with remote-control device 4 again can be realized the various functions of mouse control.
The above only is a preferred embodiment of the present invention, and protection scope of the present invention is not limited thereto, and for example, according to another embodiment of the present invention, described infrared monumented point can be arranged point-blank.When infrared image is handled, at first search for connected region, afterwards according to the quantity of monumented point, in all connected regions, choose the connected region of equal number, make the center of these connected regions be positioned at same straight line as far as possible, and the length between these connected region centers than with infrared monumented point physical location between length than equate as far as possible.So just can think that these connected regions are exactly the image of all infrared monumented points, obtain the center of gravity of all connected regions again, and as final output, controlling cursor in the plane with this with the position of center of gravity on camera review, also is the position on the display screen.
That is to say that any technical scheme of calculating the sensing location parameter of telechiric device in the position of display device according to infrared monumented point all should be contained in protection scope of the present invention.
According to the abovementioned embodiments of the present invention, telechiric device of the present invention, pointing interactive system and cursor control method are applied to televisor and telepilot, more additional respectively equipment on existing televisor and telepilot, and do not change the essential structure of original televisor, easily realized the purpose of the mouse control operation televisor of telepilot.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (20)
1, a kind of telechiric device is characterized in that, this telechiric device is used for the plane that is loaded with a plurality of infrared monumented points of directed outwards, and this telechiric device comprises:
The infrared image acquisition device is used to gather the infrared light of described a plurality of infrared monumented point emissions, generates infrared picture data;
Data processing unit is used to receive described infrared picture data, and described infrared picture data is handled, and generates the sensing location parameter of described telechiric device based on plane, described a plurality of infrared monumented point place; And
Signal projector is coupled with above-mentioned data processing unit, is used for described sensing location parameter is launched.
2, telechiric device according to claim 1 is characterized in that, described infrared image acquisition device comprises:
Infrared fileter is used to filter the visible light composition of incident ray; And
Video camera is used for generating infrared picture data according to the infrared light that sees through described infrared fileter.
3, telechiric device according to claim 2 is characterized in that, the optional resolution of described video camera comprises 320 * 240,640 * 480.
4, telechiric device according to claim 2 is characterized in that, described video camera is a ccd video camera, comprises the CCD monitoring camera.
5, telechiric device according to claim 2 is characterized in that, described video camera has wide-angle lens.
6, telechiric device according to claim 1 is characterized in that, described data processing unit comprises:
Pretreatment unit is used for the infrared picture data of infrared image acquisition device transmission is carried out binaryzation and search connected region;
Filter element links to each other with above-mentioned pretreatment unit, is used for the size and dimension according to each infrared monumented point, above-mentioned connected region is filtered, to determine the numbering of each infrared monumented point; And
Computing unit links to each other with above-mentioned filter element, is used for the position according to above-mentioned infrared monumented point, based on plane, described a plurality of infrared monumented point place, calculates the sensing location parameter of telechiric device.
7, telechiric device according to claim 1 is characterized in that, described signal projector is Infrared Projector or Bluetooth signal transmitter.
8, a kind of pointing interactive system comprises display device and telechiric device, it is characterized in that:
Described display device comprises:
A plurality of infrared monumented points are used to launch infrared light; And
Signal receiver is used for the signal that the received signal transmitter is launched;
Described telechiric device comprises:
The infrared image acquisition device is used to gather the infrared light of described a plurality of infrared monumented point emissions, generates infrared picture data;
Data processing unit is used to receive described infrared picture data, and described infrared picture data is handled, and generates the sensing location parameter of described telechiric device based on plane, described a plurality of infrared monumented point place; And
Signal projector is coupled with described data processing unit, is used for described sensing location parameter is launched.
9, pointing interactive system according to claim 8 is characterized in that, described infrared monumented point comprises a plurality of near-infrared band light emitting diodes.
10, pointing interactive system according to claim 8 is characterized in that, described infrared image acquisition device comprises:
Infrared fileter is used to filter the visible light composition of incident ray; And
Video camera is used for generating infrared picture data according to the infrared light that sees through described infrared fileter.
11, pointing interactive system according to claim 10 is characterized in that, the optional resolution of described video camera comprises 320 * 240,640 * 480.
12, pointing interactive system according to claim 10 is characterized in that, described video camera is a ccd video camera, comprises the CCD monitoring camera.
13, pointing interactive system according to claim 10 is characterized in that, described video camera has wide-angle lens.
14, pointing interactive system according to claim 8 is characterized in that, described data processing unit comprises:
Pretreatment unit is used for the infrared picture data of infrared image acquisition device transmission is carried out binaryzation and search connected region;
Filter element links to each other with above-mentioned pretreatment unit, is used for the size and dimension according to each infrared monumented point, above-mentioned connected region is filtered, to determine the numbering of each infrared monumented point; And
Computing unit links to each other with above-mentioned filter element, is used for the position according to above-mentioned infrared monumented point, based on plane, described a plurality of infrared monumented point place, calculates the sensing location parameter of telechiric device.
15, pointing interactive system according to claim 8 is characterized in that, described signal projector is Infrared Projector or Bluetooth signal transmitter; Described signal receiver is infrared signal receiver or Bluetooth signal receiver.
16, a kind of cursor control method, be applied to display device and telechiric device, this display device comprises a plurality of infrared monumented points and signal receiver, this telechiric device comprises infrared image acquisition device, data processing unit and signal projector, it is characterized in that this method mainly comprises the following steps:
Described infrared image acquisition device generates infrared picture data according to the infrared light of described a plurality of infrared monumented point emissions;
Described data processing unit receives described infrared picture data, this infrared picture data is handled, to generate the sensing location parameter of this telechiric device based on plane, described a plurality of infrared monumented point place;
The signal projector that links to each other with above-mentioned data processing unit sends to above-mentioned sensing location parameter the signal receiver of described display device.
17, method according to claim 16 is characterized in that, this method also comprises the following steps:
Described infrared monumented point emission infrared light;
The infrared fileter of described image collecting device filters out the visible light in the incident light;
The video camera of described image collecting device generates infrared picture data according to the infrared light that sees through described infrared fileter.
18, method according to claim 16 is characterized in that, described data processing unit comprises pretreatment unit, filter element and computing unit, and the step of above-mentioned analyzing and processing also comprises:
Described pretreatment unit carries out binaryzation and search connected region to the infrared picture data of infrared image acquisition device transmission;
Described filter element filters above-mentioned connected region according to the size and dimension of each infrared monumented point, to determine the numbering of each infrared monumented point; And
Described computing unit based on plane, described a plurality of infrared monumented point place, calculates the sensing location parameter of telechiric device according to the position of above-mentioned infrared monumented point.
19, method according to claim 18 is characterized in that, the step of the numbering of described definite infrared monumented point is to be undertaken by the method for test of hypothesis and template matches.
20, method according to claim 18 is characterized in that, described computing method are location-estimation algorithm, comprises 4 coplane algorithms, POSIT algorithm.
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| CN101859481A (en) * | 2010-05-13 | 2010-10-13 | 复旦大学 | Intelligent wireless remote control based on infrared video |
| CN103019374A (en) * | 2012-11-20 | 2013-04-03 | 四川虹微技术有限公司 | Object tracking-based remote control system |
| CN103768792A (en) * | 2014-02-25 | 2014-05-07 | 中山市金马科技娱乐设备有限公司 | Partitioning and recognition method applied to wide-range video space object positioning system |
| WO2015101108A1 (en) * | 2013-12-31 | 2015-07-09 | 京东方科技集团股份有限公司 | Method for detecting angle of rotation of remote control in television system, and television system |
| CN105126338A (en) * | 2015-08-18 | 2015-12-09 | 中山市金马科技娱乐设备股份有限公司 | Video positioning system applicable to light gun shooting games |
| CN112150781A (en) * | 2020-10-27 | 2020-12-29 | 中图云创智能科技(北京)有限公司 | Method for conveniently controlling display screen |
| CN112514377A (en) * | 2018-08-07 | 2021-03-16 | 索尼半导体解决方案公司 | Image pickup apparatus and image pickup system |
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2007
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| CN105126338A (en) * | 2015-08-18 | 2015-12-09 | 中山市金马科技娱乐设备股份有限公司 | Video positioning system applicable to light gun shooting games |
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