CN102221693A - Infrared positioning method and system and television - Google Patents
Infrared positioning method and system and television Download PDFInfo
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- CN102221693A CN102221693A CN2011101525395A CN201110152539A CN102221693A CN 102221693 A CN102221693 A CN 102221693A CN 2011101525395 A CN2011101525395 A CN 2011101525395A CN 201110152539 A CN201110152539 A CN 201110152539A CN 102221693 A CN102221693 A CN 102221693A
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Abstract
The invention belongs to the field of positioning control and provides an infrared positioning method and a device and a television. In the invention, a pre-coded infrared remote signal sent by a client is received, processed to generate a client signal strength analog signal, the client signal strength analog signal is subjected to an analog-to-digital conversion to generate a client signal strength digital signal, the client signal strength digital signal is transformed into distance information, client space location information is generated according to the distance information, the client space location information is compared with the previous client space location information so as to judge if the client space location is changed, thus the purpose of space positioning can be realized and the problem that the positioning process is complicated and the positioning is inaccurate in the existing positioning method can be solved.
Description
Technical field
The invention belongs to the positioning control field, relate in particular to a kind of infrared positioning method, system and televisor.
Background technology
At present, after the remote control thereof that generally is used to control televisor is to use Infrared remote controller that user's button is made the information coding, be transmitted into the infrared remote receiver of televisor by ultrared mode, and by the decode controller of back input televisor of infrared remote receiver, thereby reach the purpose of the every function of control televisor, though this type of remote control thereof can realize that the user controls the transmission of information to televisor, can't provide as multi-functional operation information processing and responses such as attitude action messages for the user.
At the existing shortcoming of above-mentioned remote control thereof, existing localization method is a kind of radiolocation remote control thereof, it is by being provided with a plurality of functional modules at the televisor receiving end, be used to receive and handle the control signal of sending by the radiolocation telepilot, satisfied the user the multi-functional demand of controlling.Yet,, make it exist position fixing process complicated and locate inaccurate problem because existing localization method adopts a plurality of functional modules at receiving end.
Summary of the invention
The invention provides a kind of infrared positioning method, be intended to solve the position fixing process complexity of existing localization method existence and locate inaccurate problem.
The present invention is achieved in that a kind of infrared positioning method, and described infrared positioning method comprises the steps:
The infrared remote-controlled signal of the coding in advance that receive, the process user end sends also generates user side signal intensity simulating signal;
Described user side signal intensity simulating signal is carried out analog to digital conversion and generated user side signal intensity digital signal;
Described user side signal intensity digital signal is converted to range information;
Generate the user side spatial positional information according to described range information;
Described user side spatial positional information and the preceding user side spatial positional information that once generates according to described range information are compared, judge whether the user side locus changes, be, then carry out the infrared remote-controlled signal of the coding in advance that described reception, process user end send and generate user side signal intensity simulating signal,, then do not stop positioning action.
Another object of the present invention also is to provide a kind of infrared location system, and described infrared location system comprises that remote signal receives processing unit, AD conversion unit, signal conversion unit, positional information generation unit and position information process unit.
Remote signal receives processing unit, and the infrared remote-controlled signal of the coding in advance that be used to receive, the process user end sends also generates user side signal intensity simulating signal;
AD conversion unit is used for described user side signal intensity simulating signal is carried out analog to digital conversion and generated user side signal intensity digital signal;
Signal conversion unit is used for described user side signal intensity digital signal is converted to range information;
The positional information generation unit is used for generating the user side spatial positional information according to described range information;
The position information process unit is used for a described user side spatial positional information and a preceding user side spatial positional information are compared, and judges whether the user side locus changes.
Another object of the present invention also is to provide a kind of televisor that comprises above-mentioned infrared location system.
In the present invention, by receiving, the infrared remote-controlled signal of the coding in advance that the process user end sends also generates subscriber signal strength simulation signal, user side signal intensity simulating signal is carried out analog to digital conversion and generated user side signal intensity digital signal, by tabling look-up user side signal intensity digital signal is converted to range information, generate the user side spatial positional information according to range information, a user side spatial positional information and a preceding user side spatial positional information are compared, judge whether the user side locus changes, thereby realized sterically defined purpose, and solved the existing position fixing process complexity of existing localization method and locate inaccurate problem.
Description of drawings
Fig. 1 is the realization flow figure of the infrared positioning method that provides of the embodiment of the invention one;
Fig. 2 is the structural drawing of the infrared location system that provides of the embodiment of the invention two;
Fig. 3 is the volume coordinate reference diagram of the embodiment of the invention two user side, the first signal receiving position, secondary signal receiving position and the 3rd signal receiving position that provide.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Pass through to receive in the embodiment of the invention, the infrared remote-controlled signal of the coding in advance that the process user end sends also generates user side signal intensity simulating signal, user side signal intensity simulating signal is carried out analog to digital conversion and generated user side signal intensity digital signal, by tabling look-up user side signal intensity digital signal is converted to range information, generate the user side spatial positional information according to range information, a user side spatial positional information and a preceding user side spatial positional information are compared, judge whether the user side locus changes, thereby realized sterically defined purpose, and solved the existing position fixing process complexity of existing localization method and locate inaccurate problem.
The embodiment of the invention provides a kind of infrared positioning method, and described infrared positioning method comprises the steps:
The infrared remote-controlled signal of the coding in advance that receive, the process user end sends also generates user side signal intensity simulating signal;
Described user side signal intensity simulating signal is carried out analog to digital conversion and generated user side signal intensity digital signal;
Described user side signal intensity digital signal is converted to range information;
Generate the user side spatial positional information according to described range information;
With described user side spatial positional information and precedingly once generate the user side spatial positional information that the user side spatial positional information generates according to described range information and compare by described, judge whether the user side locus changes, be, then carry out the infrared remote-controlled signal of the coding in advance that described reception, process user end send and generate user side signal intensity simulating signal,, then do not stop positioning action.
Another purpose of the embodiment of the invention also is to provide a kind of infrared location system, described infrared location system comprises that remote signal receives processing unit, AD conversion unit, signal conversion unit, positional information generation unit and position information process unit, wherein:
Remote signal receives processing unit, and the infrared remote-controlled signal of the coding in advance that be used to receive, the process user end sends also generates user side signal intensity simulating signal;
AD conversion unit is used for described user side signal intensity simulating signal is carried out analog to digital conversion and generated user side signal intensity digital signal;
Signal conversion unit is used for described user side signal intensity digital signal is converted to range information;
The positional information generation unit is used for generating the user side spatial positional information according to described range information;
The position information process unit is used for a described user side spatial positional information and a preceding user side spatial positional information are compared, and judges whether the user side locus changes;
Above-mentioned infrared location system also comprises storage unit, and this storage unit is used for storage and the corresponding range information of user side signal intensity digital signal.
Another purpose of the embodiment of the invention also is to provide a kind of televisor that comprises above-mentioned infrared location system.
In embodiments of the present invention, by receiving, the infrared remote-controlled signal of the coding in advance that the process user end sends also generates user side signal intensity simulating signal, user side signal intensity simulating signal is carried out analog to digital conversion and generated user side signal intensity digital signal, by tabling look-up user side signal intensity digital signal is converted to range information, generate the user side spatial positional information according to range information, a user side spatial positional information and a preceding user side spatial positional information are compared, judge whether the user side locus changes, thereby realized sterically defined purpose, and solved the existing position fixing process complexity of existing localization method and locate inaccurate problem.
Below in conjunction with specific embodiment specific implementation of the present invention is described in detail:
Embodiment one:
Fig. 1 shows the realization flow of a kind of infrared positioning method that the embodiment of the invention provides, and details are as follows:
In step S101, the infrared remote-controlled signal of the coding in advance that receive, the process user end sends also generates user side signal intensity simulating signal.
Wherein, user side signal intensity simulating signal comprises the first user side signal intensity simulating signal, the second user side signal intensity simulating signal and the 3rd user side signal intensity simulating signal.
The infrared remote-controlled signal of the coding in advance that receive in the present embodiment,, the process user end sends also generates user side signal intensity simulating signal and is specially:
The infrared remote-controlled signal that receives the coding in advance that user side sends at the first signal receiving position, secondary signal receiving position and the 3rd signal receiving position simultaneously to be obtaining corresponding first infrared remote-controlled signal, second infrared remote-controlled signal and the 3rd infrared remote-controlled signal, and first infrared remote-controlled signal, second infrared remote-controlled signal and the 3rd infrared remote-controlled signal decoded generates the first user side signal intensity simulating signal, the second user side signal intensity simulating signal and the 3rd user side signal intensity simulating signal after filtering and the detection.
In step S102, user side signal intensity simulating signal is carried out analog to digital conversion and generated user side signal intensity digital signal.
Wherein, user side signal intensity digital signal comprises the first user side signal intensity digital signal, the second user side signal intensity digital signal and the 3rd user side signal intensity digital signal.
In step S103, user side signal intensity digital signal is converted to range information.
Wherein, range information comprises first range information, second distance information and the 3rd range information.
In the present embodiment, user side signal intensity digital signal being converted to range information is specially:
To read out with the corresponding range information of user side signal intensity digital signal from a default storage space by lookup table mode.
In step S104, generate the user side spatial positional information according to range information.
In the present embodiment, generating the user side spatial positional information according to range information is specially:
Calculate and obtain the user side spatial positional information according to following default computing formula:
x＝(A
2-C
2+e
2)/2e；y＝(A
2-B
2+f
2)/2f；z＝(A
2-x
2-y
2)
0.5
Wherein x, y, the coordinate figure of z representative of consumer end in three dimensions, A, B, C represent first range information, second distance information and the 3rd range information respectively, distance between the secondary signal receiving position of the first signal receiving position of e representative high-dimensional coordinate axis in three dimensions and long dimension coordinate axis in three dimensions, f represents the first signal receiving position of high-dimensional coordinate axis in three dimensions and the distance between the 3rd signal receiving position of wide dimension coordinate axis in three dimensions.
In step S105, user side spatial positional information and the preceding user side spatial positional information that once generates by step S104 are compared, judge whether the user side locus changes, and is, then execution in step S101 not, then stops positioning action.
In the present embodiment, by receiving, the infrared remote-controlled signal of the coding in advance that the process user end sends also generates user side signal intensity simulating signal, user side signal intensity simulating signal is carried out analog to digital conversion and generated user side signal intensity digital signal, user side signal intensity digital signal is converted to range information, generate the user side spatial positional information according to range information, a user side spatial positional information and a preceding user side spatial positional information are compared, judge whether the user side locus changes, thereby realized sterically defined purpose, and solved the existing position fixing process complexity of existing localization method and locate inaccurate problem.
Embodiment two:
Fig. 2 shows the structure of a kind of infrared location system that the embodiment of the invention provides, and for convenience of explanation, only shows the part relevant with the embodiment of the invention, and details are as follows:
This infrared location system comprises that remote signal receives processing unit 101, AD conversion unit 102, storage unit 103, signal conversion unit 104, positional information generation unit 105 and position information process unit 106.
Remote signal receives the infrared remote-controlled signal of the coding in advance that processing unit 101 receives, the process user end sends and generates user side signal intensity simulating signal.
In embodiments of the present invention, remote signal reception processing unit 101 is specially:
Remote-control-signal reception unit 1011 is used for receiving the infrared remote-controlled signal of the coding in advance that user side sends simultaneously to obtain corresponding first infrared remote-controlled signal, second infrared remote-controlled signal and the 3rd infrared remote-controlled signal at its first signal receiving position, secondary signal receiving position and the 3rd signal receiving position;
Remote signal processing unit 1012, being used for first infrared remote-controlled signal, second infrared remote-controlled signal and the 3rd infrared remote-controlled signal decoded generates the first user side signal intensity simulating signal, the second user side signal intensity simulating signal and the 3rd user side signal intensity simulating signal after filtering and the detection.
102 pairs of user side signal intensities of AD conversion unit simulating signal is carried out analog to digital conversion and is generated user side signal intensity digital signal.
Storage unit 103 storages and the corresponding range information of user side signal intensity digital signal.
Signal conversion unit 104 is converted to range information with user side signal intensity digital signal.
In the present embodiment, signal conversion unit 104 is specially:
To read out with the corresponding range information of user side signal intensity digital signal from storage unit 103 by lookup table mode.
Positional information generation unit 105 generates the user side spatial positional information according to range information.
In the present embodiment, positional information generation unit 105 is specially:
Calculate and obtain the user side spatial positional information according to following default computing formula:
x＝(A
2-C
2+e
2)/2e；y＝(A
2-B
2+f
2)/2f；z＝(A
2-x
2-y
2)
0.5
As shown in Figure 3, x wherein, y, the coordinate figure of z representative of consumer end R in three dimensions, A, B, C represents first range information respectively, second distance information and the 3rd range information, distance between the first signal receiving position A1 of e representative high-dimensional coordinate axis Z in three dimensions and the secondary signal receiving position A2 that in three dimensions, grows dimension coordinate axis X, the first signal receiving position A1 of f representative high-dimensional coordinate axis Z in three dimensions and in three dimensions the distance between the 3rd signal receiving position A3 of wide dimension coordinate axis Y, the coordinate figure of the first signal receiving position is A1 (0,0,0), the coordinate figure of secondary signal receiving position is A2 (e, 0,0), the coordinate figure of the 3rd signal receiving position is A3 (0, f, 0).
Suppose A=B=C=6, e=f=2, then the coordinate figure of user side R in three dimensions can be got by following computation process:
x＝(6
2-6
2+2
2)/2×2＝1；
y＝(6
2-6
2+2
2)/2×2＝1；
z＝(6
2-1
2-1
2)
0.5＝5.656；
The coordinate figure of user side R in three dimensions is (1,1,5.656).
Position information process unit 106 compares a user side spatial positional information and a preceding user side spatial positional information, judges whether the user side locus changes.
In embodiments of the present invention, this infrared location system can be used in the televisor.
In embodiments of the present invention, by receiving, the infrared remote-controlled signal of the coding in advance that the process user end sends also generates user side signal intensity simulating signal, user side signal intensity simulating signal is carried out analog to digital conversion and generated user side signal intensity digital signal, by tabling look-up user side signal intensity digital signal is converted to range information, generate the user side spatial positional information according to range information, a user side spatial positional information and a preceding user side spatial positional information are compared, judge whether the user side locus changes, thereby realized sterically defined purpose, and solved the existing position fixing process complexity of existing localization method and locate inaccurate problem.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an infrared positioning method is characterized in that, described infrared positioning method comprises the steps:
The infrared remote-controlled signal of the coding in advance that receive, the process user end sends also generates user side signal intensity simulating signal;
Described user side signal intensity simulating signal is carried out analog to digital conversion and generated user side signal intensity digital signal;
Described user side signal intensity digital signal is converted to range information;
Generate the user side spatial positional information according to described range information;
Described user side spatial positional information and the preceding user side spatial positional information that once generates according to described range information are compared, judge whether the user side locus changes, be, then carry out the infrared remote-controlled signal of the coding in advance that described reception, process user end send and generate user side signal intensity simulating signal,, then do not stop positioning action.
2. infrared positioning method as claimed in claim 1, it is characterized in that, described user side signal intensity simulating signal comprises the first user side signal intensity simulating signal, the second user side signal intensity simulating signal and the 3rd user side signal intensity simulating signal, the digital signal of described user side signal intensity comprises the first user side signal intensity digital signal, the second user side signal intensity digital signal and the 3rd user side signal intensity digital signal, and described range information comprises first range information, second distance information and the 3rd range information.
3. infrared positioning method as claimed in claim 1 or 2 is characterized in that, infrared remote-controlled signal of encoding in advance that described reception, process user end send and the step that generates user side signal intensity simulating signal are specially:
The infrared remote-controlled signal that receives the coding in advance that user side sends at the first signal receiving position, secondary signal receiving position and the 3rd signal receiving position simultaneously to be obtaining corresponding first infrared remote-controlled signal, second infrared remote-controlled signal and the 3rd infrared remote-controlled signal, and described first infrared remote-controlled signal, described second infrared remote-controlled signal and described the 3rd infrared remote-controlled signal decoded generates the described first user side signal intensity simulating signal, the described second user side signal intensity simulating signal and described the 3rd user side signal intensity simulating signal after filtering and the detection.
4. infrared positioning method as claimed in claim 1 is characterized in that, the described step that described user side signal intensity digital signal is converted to range information is specially:
To read out with the corresponding range information of user side signal intensity digital signal from default storage space by lookup table mode.
5. infrared positioning method as claimed in claim 1 or 2 is characterized in that, described step according to described range information generation user side spatial positional information is specially:
Calculate and obtain the user side spatial positional information according to following default computing formula:
x＝(A
2-C
2+e
2)/2e；y＝(A
2-B
2+f
2)/2f；z＝(A
2-x
2-y
2)
0.5
Wherein x, y, the coordinate figure of z representative of consumer end in three dimensions, A, B, C represent described first range information, described second distance information and described the 3rd range information respectively, distance between the described secondary signal receiving position of the described first signal receiving position of e representative high-dimensional coordinate axis in three dimensions and long dimension coordinate axis in three dimensions, f represents the described first signal receiving position of high-dimensional coordinate axis in three dimensions and the distance between described the 3rd signal receiving position of wide dimension coordinate axis in three dimensions.
6. an infrared location system is characterized in that, described infrared location system comprises that remote signal receives processing unit, AD conversion unit, signal conversion unit, positional information generation unit and position information process unit, wherein:
Remote signal receives processing unit, the infrared remote-controlled signal of coding in advance that be used to receive, the process user end sends, and generate user side signal intensity simulating signal;
AD conversion unit is used for described user side signal intensity simulating signal is carried out analog to digital conversion and generated user side signal intensity digital signal;
Signal conversion unit is used for described user side signal intensity digital signal is converted to range information;
The positional information generation unit is used for generating the user side spatial positional information according to described range information;
The position information process unit is used for a described user side spatial positional information and a preceding user side spatial positional information are compared, and judges whether the user side locus changes.
7. infrared location system as claimed in claim 6 is characterized in that described infrared location system also comprises storage unit, and described storage unit is used for storage and the corresponding range information of described user side signal intensity digital signal.
8. as claim 6 or 7 described infrared location systems, it is characterized in that described remote signal receives processing unit and comprises:
Remote-control-signal reception unit is used for the first signal receiving position, secondary signal receiving position and the 3rd signal receiving position at self and receives the infrared remote-controlled signal of the coding in advance that user side sends simultaneously to obtain corresponding described first infrared remote-controlled signal, described second infrared remote-controlled signal and described the 3rd infrared remote-controlled signal.
9. infrared location system as claimed in claim 8 is characterized in that, described remote signal receives processing unit and also comprises:
The remote signal processing unit, being used for described first infrared remote-controlled signal, described second infrared remote-controlled signal and described the 3rd infrared remote-controlled signal decoded generates the described first user side signal intensity simulating signal, the described second user side signal intensity simulating signal and described the 3rd user side signal intensity simulating signal after filtering and the detection.
10. a televisor is characterized in that, described televisor comprises as claim 6 or the described infrared location system of claim 7.
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| CN106686429A (en) * | 2015-11-06 | 2017-05-17 | 天津三星电子有限公司 | Intelligent television gesture detection method and system |
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Application publication date: 20111019 |