CN102325411A - Intelligent desk lamp and interacting method thereof - Google Patents
Intelligent desk lamp and interacting method thereof Download PDFInfo
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- CN102325411A CN102325411A CN201110257170A CN201110257170A CN102325411A CN 102325411 A CN102325411 A CN 102325411A CN 201110257170 A CN201110257170 A CN 201110257170A CN 201110257170 A CN201110257170 A CN 201110257170A CN 102325411 A CN102325411 A CN 102325411A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention relates to an intelligent desk lamp. A projecting module projects information read from a storage unit by a processing unit to a projecting plane; an invisible light module sends invisible light covering the projecting plane; a shooting device shoots an image in the protecting plane and transmits the image to a processing unit; and the processing unit processes the image to obtain the operating position corresponding a light spot generated by that a user shields invisible light during operation in the protecting plane and realizes the operation of the user according to the operating position. The intelligent desk lamp can realize the function of the direct operation of the user in the projecting area with fingers or other nontransparent objects without a transparent panel containing a sensing line or a special control platform. The invention also provides an interacting method of the intelligent desk lamp.
Description
[technical field]
The present invention relates to a kind of means of man-machine interaction amusement, particularly relate to a kind of intelligent desk lamp and carry out interactive method.
[background technology]
Traditional desk lamp only has the function of illumination, and effect is simple, can not provide more convenience for people.All the time, moving alternately amusement is liked by everybody based on desktop, therefore, interaction entertainment function and desk lamp binding energy is well improved the practicality of desk lamp.And most of at present interdynamic recreational apparatus based on desktop mainly are to realize through touch-sensitive display; Promptly cover the transparent panel that one deck contains the sensing wire rod at display surface, through the display surface location that transducing signal is realized finger contact, this system works is stable; Operation is directly perceived; But cost is higher, and installs and fixes, and can't move.Another kind method is for adopting special-purpose control desk, and desktop is transparent or semitransparent glass, is utilized in the infrared laser location finger position that emits in the control desk, and this method price is more cheap, but can't on ordinary desktop, use.
[summary of the invention]
In view of above-mentioned condition, be necessary need contain the problem of the transparent panel or the uniset console of sensing wire rod to traditional interdynamic recreational apparatus based on desktop, a kind of intelligent desk lamp is provided.
A kind of intelligent desk lamp comprises lamp holder, and said intelligent desk lamp also comprises:
Processing unit;
Memory cell is electrically connected with said processing unit;
Projection module links to each other with said processing unit electricity, and the information projection that said processing unit is read from said memory cell is to projection plane;
The invisible light module sends the invisible light that covers said projection plane;
Camera head links to each other with said processing unit, takes the interior image of said projection plane and said image is sent to said processing unit;
Said processing unit is handled said image and is obtained to block the corresponding operating position of hot spot that said invisible light produces when the user operates in said projection plane, and realizes user's operation according to said operating position.
Further, said processing unit realizes that according to said operating position the process of user's operation is: according to correction relationship said operating position is handled, obtained the detection position; The function corresponding according to said detection position realizes user's operation.
Further, said processing unit comprises the demarcating module that is used to adjust said correction relationship, and said demarcating module is used to receive the interior cross-hatch pattern picture of said projection plane that said camera head is taken; Detect the interior angle point of said cross-hatch pattern picture preface side by side; Calculate the projective transformation matrix of the said correction relationship of adjustment.
Further, said processing unit comprises the demarcating module that is used to adjust said correction relationship, and said demarcating module is used to receive the image of the said projection plane intragenic marker point that said camera head takes; Said image is handled the operating position that obtains to block when the user operate hot spot correspondence that said invisible light produces in said projection plane; Adjust the projective transformation matrix of said correction relationship according to the position calculation of said operating position and gauge point.
Further, said invisible light module is an infrared word line laser.
Further, it is 850 nanometers that a said infrared word line laser sends said invisible light wavelength, and 650 nanometers and 850 nano double pass filters are housed on the said camera head.
Further, said projection module is provided with reflective mirror, and said reflective mirror is used for changing the projecting direction of light.
Further, may further comprise the steps:
Canned data is projected to projection plane;
Send invisible light and cover said projection plane;
Take the image in the said projection plane;
Said image is handled the operating position that obtains to block when the user operate hot spot correspondence that said invisible light produces in said projection plane;
Realize user's operation according to said operating position.
Further, saidly realize that according to said operating position the step of user's operation comprises: according to correction relationship said operating position is handled, obtained the detection position; The function corresponding according to said detection position realizes user's operation.
Further, through said intelligent desk lamp being demarcated the said correction relationship of adjustment, the said step that said intelligent desk lamp is demarcated comprises the steps:
In said projection plane, show the cross-hatch pattern picture;
Take the cross-hatch pattern picture in the said projection plane;
Detect the interior angle point of said cross-hatch pattern picture preface side by side;
Calculate the projective transformation matrix of the said correction relationship of adjustment.
Further, be to utilize Corner Detection Algorithm to extract corner location in the said cross-hatch pattern picture.
Further, through said intelligent desk lamp being demarcated the said correction relationship of adjustment, the said step that said intelligent desk lamp is demarcated comprises the steps:
Go out to comprise the image of gauge point in said projection plane;
Take the image in the said projection plane;
Said image is handled the operating position that obtains to block when the user operate hot spot correspondence that said invisible light produces in said projection plane;
Adjust the projective transformation matrix of said correction relationship according to the position calculation of said operating position and gauge point.
Further, obtain to block the corresponding operating position of hot spot that said invisible light produces when the user operates in said projection plane, may further comprise the steps:
Obtain a two field picture through said camera head;
Find the pixel position that hot spot occurs in the said image;
Calculate the center of said pixel point set;
Said center is converted into the operating position of the said correspondence of projection plane.
Further, passing threshold is cut apart the pixel position of finding hot spot appearance in the said image with weighting algorithm.
Said intelligent desk lamp adopts projection module that the content of cell stores is projected on the ordinary desktop; And cooperate the vision positioning system proposed based on camera head and invisible light module; Video information through the processing unit processes camera head; Calculate the operating position of finger contact; Realize user's operation according to operating position, realize the function of user, need not contain the transparent panel or the uniset console of sensing wire rod with finger or the direct control of other nontransparent objects in view field.
[description of drawings]
Fig. 1 is the module map of intelligent desk lamp among the embodiment;
Fig. 2 is the module map of intelligent desk lamp among another embodiment;
Fig. 3 is the flow chart that intelligent desk lamp carries out interactive method among the embodiment;
Fig. 4 carries out obtaining in the interactive method flow chart of user's operating position for intelligent desk lamp shown in Figure 3;
Fig. 5 carries out the flow chart of interactive method for intelligent desk lamp among another embodiment;
Fig. 6 carries out the automatic flow chart of demarcating in the interactive approach for intelligent desk lamp shown in Figure 3;
Fig. 7 carries out the manual flow chart of demarcating in the interaction for intelligent desk lamp shown in Figure 3.
[embodiment]
Below main accompanying drawings embodiment of the present invention.
See also Fig. 1, intelligent desk lamp 100 comprises lamp holder (figure does not show), memory cell 110, processing unit 120, projection module 130, invisible light module 140 and camera head 150.
Lamp holder is a normal lamp holder, and bulb is housed above.Polytypes such as bulb can incandescent lamp, fluorescent lamp and LED lamp.
During intelligent desk lamp 100 work, the information projection that projection module 130 reads processing unit 120 from memory cell 110 is to projection plane; Invisible light module 140 sends invisible light, covers projection plane; Camera head 150 is taken the interior image of projection plane and image is sent to processing unit 120; 120 pairs of said images of processing unit are handled and are obtained to block the corresponding operating position of hot spot that invisible light produces when the user operates in projection plane, realize user's operation according to said operating position.For example, projection module 130 is projected in a width of cloth Chinese chess chess game in the projection plane, when the user clicks certain chess piece in projection plane, can obtain the operating position that the user clicks, and according to the corresponding relation of prior setting, moves this chess piece by user's requirement.
In another preferred embodiment, processing unit 120 realizes that according to operating position the process of user's operation is: according to correction relationship operating position is handled, obtained the detection position; The function corresponding according to the detection position realizes user's operation.In the product of reality, can there be certain deformation in actual image that projects and theoretic image, and this distortion can solve through above-mentioned correction relationship, carry out not corresponding with the operation of avoiding occurring the user and actual.This correction can be the correction that is similar to touch-screen.
See also Fig. 2, processing unit 120 also comprises the demarcating module 121 that is used to adjust correction relationship.A kind of mode of demarcating module 121 adjustment correction relationships is: receive the interior cross-hatch pattern picture of projection plane that camera head 150 is taken; Detect the interior angle point of cross-hatch pattern picture preface side by side; Calculate the projective transformation matrix of adjustment correction relationship.The interior angle point of so-called cross-hatch pattern picture refers in the chequered with black and white cross-hatch pattern, the position that black lattice is interconnected, and for example, the cross-hatch pattern of a 8*8 has angle point in 7*7.
The another kind of mode of demarcating module 121 adjustment correction relationships is: the image that receives the projection plane intragenic marker point of camera head 150 shootings; Image is handled the operating position that obtains to block when the user operate hot spot correspondence that invisible light produces in projection plane; Adjust the projective transformation matrix of correction relationship according to the position calculation of operating position and gauge point.Promptly in the image of projection; Add gauge point, the gauge point of cross shape for example obtains user's operating position when the user clicks this gauge point; Operating position is the position of the actual projection of gauge point; Because can there be certain deformation in actual image that projects and theoretic image, therefore can adjust this distortion according to this operating position and the position of the theoretic gauge point of storing originally, obtain to calculate the projective transformation matrix of adjustment correction relationship.
In the present embodiment, intelligent desk lamp 100 also comprises power supply 160.Be appreciated that power supply 160 can be external power supply or battery supply.Adopt battery supply that intelligent desk lamp 100 is used in wider scope.
In the present embodiment, invisible light module 140 is an infrared word line laser.Be appreciated that and use other infrared transmitting devices to replace here.
In the present embodiment, to send invisible light wavelength be 850 nanometers to invisible light module 140; Accordingly, 650 nanometers and 850 nano double pass filters (figure does not show) are housed on the camera head 150.650nm is a visible light wave range, and 850nm is the near infrared light wave band, and is consistent with the spectrum of the laser of 850nm.Timing signal adopts long time for exposure (software systems are provided with automatically) camera can see the demarcation pattern that projector projects goes out, thereby realizes high-precision automatic demarcation; After demarcating; System can automatically reduce the time for exposure of camera, thereby makes the visible light of 650nm basically not by the perception of camera institute, even the part visible light transmissive is arranged; Also very faint; Can in image processing, remove easily, so both can filter out most of visible light, again can be so that camera obtains the monochrome information of finger tip hot spot to greatest extent.
Be appreciated that invisible light wavelength is not limited to 850 nanometers, when changing invisible light wavelength, the model of bilateral filter is made corresponding change.
In the present embodiment, projection module 130 is provided with reflective mirror (figure does not show) reflective mirror and is used for changing the projecting direction of light.Be appreciated that reflective mirror can omit, and adopt other modes, as: rotating and projection module 130 changes the direction of projection.
Intelligent desk lamp 100 adopts projection module 130 that the content of memory cell 110 storages is projected on the ordinary desktop; And cooperate the vision positioning system proposed based on invisible light module 140 and camera head 150; Handle the video information of camera head through processing unit 120; Calculate the operating position of finger contact; Realize user's operation according to operating position, realize the function of user, need not contain the transparent panel or the uniset console of sensing wire rod with finger or the direct control of other nontransparent objects in view field.
See also Fig. 3, in one embodiment, the method that the carrying out of intelligent desk lamp 100 is interactive comprises step: S110～S150.
Step S110 projects to projection plane with canned data.In specific embodiment, processing unit 120 reads information such as picture, animation from memory cell 110, project to the plane through projection module 130 again.
Step S120 sends invisible light and covers projection plane.In specific embodiment, invisible light module 140 sends the invisible light that covers projection plane, as nontransparent object, during like user's finger touching projection plane, can produce hot spot at projection plane.
Step S130 takes the image in the projection plane, and reaches processing unit 120.In specific embodiment; Camera head 150 is taken the image of projection plane, and image is reached processing unit 120, has comprised user's operation information in the image; When the user clicks projection plane with finger or other nontransparent objects, can produce hot spot in corresponding position.
Step S140 handles the operating position that obtains to block when the user operate hot spot correspondence that invisible light produces in projection plane to image.
Particularly, see also Fig. 4, step S140 handles the operating position that obtains to block when the user operate hot spot correspondence that invisible light produces in projection plane to image.Comprise step: S210～S240.
Step S210 obtains a two field picture through camera head 150.The information that has comprised user's operation in the image, when promptly the user clicks projection plane with finger or other nontransparent objects owing to blocking the hot spot that invisible light produces.
Step S220 finds the pixel position that hot spot occurs in the image.In specific embodiment, employing be Threshold Segmentation and weighting algorithm, these two kinds of algorithms are for preferred embodiment, those skilled in the art also can adopt other means to reach same effect.
Step S230, the center of calculating pixel point set.
Step S240 is converted into the corresponding operating position of projection plane with the center.
Behind execution of step S240, if intelligent desk lamp 100 works on, then return step S210, continue to obtain to block when the user operates the corresponding operating position of hot spot that invisible light produces in projection plane.
Step S150 realizes user's operation according to said operating position.
The step that realizes user's operation according to operating position comprises: according to correction relationship operating position is handled, obtained the detection position; The function corresponding according to the detection position realizes user's operation.In the product of reality, can there be certain deformation in actual image that projects and theoretic image, and this distortion can solve through above-mentioned correction relationship, and be not corresponding with operation and the 100 lamp practical operations of intelligent platform of avoiding occurring the user.This correction can be the correction that is similar to touch-screen.
In another preferred embodiment, intelligent desk lamp shown in Figure 3 carries out interactive method flow process is as shown in Figure 5 more specifically.The method that the carrying out of intelligent desk lamp is interactive comprises step: S310～S360.
Step S310 demarcates intelligent desk lamp 100.The purpose of demarcating promptly obtains above-mentioned correction relationship, and this step is accomplished by demarcating module 121.After demarcating completion,, need not demarcate again in the follow-up use,, during each module position adjustment, need demarcate once more according to identical method when the shift in position of intelligent desk lamp 100 as long as do not adjust the position of projection module 130 and camera head 150.
Particularly, see also Fig. 6, it can be automatic demarcation that step S310 demarcates intelligent desk lamp 100, demarcates automatically to comprise step: S410～S440.
Step S410 shows the cross-hatch pattern picture in projection plane.In specific embodiment, cross-hatch pattern is stored in the memory cell 110, is read and is projected in the plane by projection module 130 by processing unit 120.
Step S420 takes the cross-hatch pattern picture in the projection plane.In specific embodiment, the cross-hatch pattern in camera head 150 camera plane, and reach processing unit 120.
Step S430 detects the interior angle point of cross-hatch pattern picture preface side by side.In concrete present embodiment, be to utilize Corner Detection Algorithm to extract corner location in the cross-hatch pattern picture.Gridiron pattern can be 8*8, and his interior angle point number is 7*7 so.
Step S440 calculates the projective transformation matrix of adjusting correction relationship.
See also Fig. 7, it can also be manual demarcation that step S310 demarcates intelligent desk lamp 100, manually demarcates to comprise step: S510～S540.
Step S510 goes out to comprise the image of gauge point in projection plane.In specific embodiment, the image storage that contains gauge point is read and is projected in the plane by projection module 130 by processing unit 120 in memory cell 110.
Step S520 takes the image in the projection plane.In specific embodiment, the user clicks gauge point successively, on image, stays operation information, and camera head 150 camera plane include the image that contains gauge point of user's operation information, and reaches processing unit 120.
Step S530 handles the operating position that obtains to block when the user operate hot spot correspondence that invisible light produces in projection plane to image.In the process of demarcating, obtaining of user's operating position is identical with step S140, all is to utilize the same principle and module.
Step S540 is according to the projective transformation matrix of the position calculation of operating position and gauge point adjustment correction relationship.
The calibration result that the mode of above-mentioned two kinds of demarcation obtains is used for follow-up correction.
Step S320 projects to projection plane with canned data.In specific embodiment, processing unit 120 reads information such as picture, animation from memory cell 110, project to the plane through projection module 130 again.
Step S330 sends invisible light and covers projection plane.In specific embodiment, invisible light module 140 sends the invisible light that covers projection plane, when nontransparent object is touched projection plane, can produce hot spot at projection plane.
Step S340 takes the image in the projection plane and reaches processing unit 120.In specific embodiment; Camera head 150 is taken the image of projection plane, and image is reached processing unit 120, has comprised user's operation information in the image; When the user clicks projection plane with finger or other nontransparent objects, can produce hot spot in corresponding position.
Step S350 handles the operating position that obtains to block when the user operate hot spot correspondence that invisible light produces in projection plane to image.
See also Fig. 4, step S350 handles the operating position that obtains to block when the user operate hot spot correspondence that invisible light produces in projection plane to image.Comprise step: S210～S240.
Step S210 obtains a two field picture through camera head 150.The information that has comprised user's operation in the image, when promptly the user clicks projection plane with finger or other nontransparent objects owing to blocking the hot spot that invisible light produces.
Step S220 finds the pixel position that hot spot occurs in the image.In specific embodiment, employing be Threshold Segmentation and weighting algorithm, these two kinds of algorithms are for preferred embodiment, those skilled in the art also can adopt other means to reach same effect.
Step S230, the center of calculating pixel point set.
Step S240 is converted into the corresponding operating position of projection plane with the center.
Behind execution of step S240, if intelligent desk lamp 100 works on, then return step S210, continue to obtain to block when the user operates the corresponding operating position of hot spot that invisible light produces in projection plane.
Step S360 realizes user's operation according to said operating position.
The step that realizes user's operation according to operating position comprises: according to correction relationship operating position is handled, obtained the detection position; The function corresponding according to the detection position realizes user's operation.In the product of reality, can there be certain deformation in actual image that projects and theoretic image, and this distortion can solve through above-mentioned correction relationship, and be not corresponding with operation and intelligent desk lamp 100 practical operations of avoiding occurring the user.This correction can be the correction that is similar to touch-screen.
Said method at first projects to projection plane with canned data; And send invisible light and cover projection plane; Then the image in the projection plane is reached processing unit 120, image is handled obtaining to block when the user operates the corresponding operating position of hot spot that invisible light produces in projection plane.Thereby make transparent panel or the uniset console that intelligent desk lamp 100 need not contain the sensing wire rod can realize the function of user, strengthened the practicality of intelligent desk lamp 100 with finger or the direct control of other nontransparent objects in view field.
The above embodiment has only expressed several kinds of execution modes of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with accompanying claims.
Claims (14)
1. an intelligent desk lamp comprises lamp holder, it is characterized in that, said intelligent desk lamp also comprises:
Processing unit;
Memory cell is electrically connected with said processing unit;
Projection module links to each other with said processing unit electricity, and the information projection that said processing unit is read from said memory cell is to projection plane;
The invisible light module sends the invisible light that covers said projection plane;
Camera head links to each other with said processing unit, takes the interior image of said projection plane and said image is sent to said processing unit;
Said processing unit is handled said image and is obtained to block the corresponding operating position of hot spot that said invisible light produces when the user operates in said projection plane, and realizes user's operation according to said operating position.
2. intelligent desk lamp as claimed in claim 1 is characterized in that, said processing unit realizes that according to said operating position the process of user's operation is: according to correction relationship said operating position is handled, obtained the detection position; The function corresponding according to said detection position realizes user's operation.
3. intelligent desk lamp as claimed in claim 2 is characterized in that said processing unit comprises the demarcating module that is used to adjust said correction relationship, and said demarcating module is used to receive the interior cross-hatch pattern picture of said projection plane that said camera head is taken; Detect the interior angle point of said cross-hatch pattern picture preface side by side; Calculate the projective transformation matrix of the said correction relationship of adjustment.
4. intelligent desk lamp as claimed in claim 2 is characterized in that said processing unit comprises the demarcating module that is used to adjust said correction relationship, and said demarcating module is used to receive the image of the said projection plane intragenic marker point that said camera head takes; Said image is handled the operating position that obtains to block when the user operate hot spot correspondence that said invisible light produces in said projection plane; Adjust the projective transformation matrix of said correction relationship according to the position calculation of said operating position and gauge point.
5. intelligent desk lamp as claimed in claim 1 is characterized in that, said invisible light module is an infrared word line laser.
6. intelligent desk lamp as claimed in claim 5 is characterized in that, it is 850 nanometers that a said infrared word line laser sends said invisible light wavelength, and 650 nanometers and 850 nano double pass filters are housed on the said camera head.
7. intelligent desk lamp as claimed in claim 1 is characterized in that said projection module is provided with reflective mirror, and said reflective mirror is used for changing the projecting direction of light.
8. an intelligent desk lamp carries out interactive method, it is characterized in that, may further comprise the steps:
Canned data is projected to projection plane;
Send invisible light and cover said projection plane;
Take the image in the said projection plane;
Said image is handled the operating position that obtains to block when the user operate hot spot correspondence that said invisible light produces in said projection plane;
Realize user's operation according to said operating position.
9. intelligent desk lamp as claimed in claim 8 carries out interactive method, it is characterized in that, saidly realizes that according to said operating position the step of user's operation comprises: according to correction relationship said operating position is handled, obtained the detection position; The function corresponding according to said detection position realizes user's operation.
10. intelligent desk lamp as claimed in claim 9 carries out interactive method, it is characterized in that, through said intelligent desk lamp being demarcated the said correction relationship of adjustment, the said step that said intelligent desk lamp is demarcated comprises the steps:
In said projection plane, show the cross-hatch pattern picture;
Take the cross-hatch pattern picture in the said projection plane;
Detect the interior angle point of said cross-hatch pattern picture preface side by side;
Calculate the projective transformation matrix of the said correction relationship of adjustment.
11. intelligent desk lamp as claimed in claim 10 carries out interactive method, it is characterized in that, is to utilize Corner Detection Algorithm to extract corner location in the said cross-hatch pattern picture.
12. intelligent desk lamp as claimed in claim 9 carries out interactive method, it is characterized in that, through said intelligent desk lamp being demarcated the said correction relationship of adjustment, the said step that said intelligent desk lamp is demarcated comprises the steps:
Go out to comprise the image of gauge point in said projection plane;
Take the image in the said projection plane;
Said image is handled the operating position that obtains to block when the user operate hot spot correspondence that said invisible light produces in said projection plane;
Adjust the projective transformation matrix of said correction relationship according to the position calculation of said operating position and gauge point.
13. intelligent desk lamp as claimed in claim 8 carries out interactive method, it is characterized in that, obtains to block the corresponding operating position of hot spot that said invisible light produces when the user operates in said projection plane, may further comprise the steps:
Obtain a two field picture through said camera head;
Find the pixel position that hot spot occurs in the said image;
Calculate the center of said pixel point set;
Said center is converted into the operating position of the said correspondence of projection plane.
14. intelligent desk lamp as claimed in claim 13 carries out interactive method, it is characterized in that, passing threshold is cut apart the pixel position of finding hot spot appearance in the said image with weighting algorithm.
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| CN108770146B (en) * | 2018-05-23 | 2020-11-24 | 蔡晓 | Multi-scene-change intelligent control lighting device |
| CN110753212A (en) * | 2018-07-23 | 2020-02-04 | 中国科学院苏州纳米技术与纳米仿生研究所 | Interactive laser projection system |
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