CN104980676B - Arm projecting method and device - Google Patents
Arm projecting method and device Download PDFInfo
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- CN104980676B CN104980676B CN201510351244.9A CN201510351244A CN104980676B CN 104980676 B CN104980676 B CN 104980676B CN 201510351244 A CN201510351244 A CN 201510351244A CN 104980676 B CN104980676 B CN 104980676B
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Abstract
The present invention provides a kind of arm projecting method and device, first controls Laser emission angle straight according to step angle adjustment launch angle to elbow direction since the angle closest to wrist, and gather an image in each adjustment angle；Luminance Analysis in image finds most bright laser spots, records the light intensity that each laser step angle corresponds to laser spots；Launched after Laser emission angle is arranged into launch angle corresponding to the light intensity value of maximum laser point；Camera is subjected to step-scan action, and an image is gathered in each stepping；Luminance Analysis in the image of collection finds laser spots, then recording laser point position in the picture and records its corresponding step angle, after scanned, find laser spot position closest to the step angle at center and be used as optimum angle angle value；Then the projection angle for setting projector equipment according to the optimum angle angle value is projected.Directly displayed so as to realize on human arm and independent of display screen.
Description
Technical field
The present invention relates to a kind of wearable device, the projecting method and device of more particularly to a kind of wearable device.
Background technology
It is the most important part of man-machine interaction that image, which is shown, and current display is realized by display screen equipment, or
Person is projected image onto on a big plane body by projector equipment and realized.Display screen is the very big one of electronic equipment
Point, electronic equipment very big weight and volume proportion in itself is occupied, causes electronic equipment to carry inconvenient.And current projection is set
It is standby to depend on big plane body, when user is in opening or under field conditions (factors), it is difficult to find a natural plane
Body is as projection carrier.If so there can be one anywhere can be carried out without screen by projection and user
The method of man-machine interaction is significantly.
The content of the invention
One of the technical problem to be solved in the present invention, it is to provide a kind of projecting method of wearable device, can be in the mankind
Directly display on arm and independent of display screen, shown and man-machine interaction to carry out image whenever and wherever possible.
What one of the technical problem to be solved in the present invention was realized in：A kind of arm projecting method, including：
Step 10, wear equipment as user, and make the direction of the launch of the generating laser of equipment, camera direction and throwing
The projecting direction of shadow equipment is all from the wrist of user towards the direction of elbow；Projection is initial, controls the transmitting of generating laser
Angle since the angle closest to wrist to elbow direction according to step angle adjustment launch angle step by step until most
Big launch angle；
Step 20, camera angle now are located at the intermediate angular position of projection angle range, can be adjusted in each stepping
An image is gathered during whole angle；
Step 30, the Luminance Analysis in image find most bright laser spots, then record each laser step angle
The light intensity of corresponding laser spots, if not judging there are laser spots in image, illustrates that laser has scanned image pickup scope, should
Laser spots light intensity is recorded as zero corresponding to angle；After laser is from minimum angles to the maximum angle end of scan, by Laser emission
Angle, which is arranged to laser spots, has launch angle corresponding to largest light intensity value, and carries out Laser emission；
Step 40, when Laser emission angle adjustment for laser spots there is launch angle corresponding to largest light intensity value after, will
Camera carries out step-scan action, maximal projection angle value is stepped to always from the angle closest to wrist, in this phase
Between, camera can gather an image in each stepping；
Step 50, laser spots are found according to the Luminance Analysis in the image of collection, then recording laser point is in the picture
Position simultaneously records its corresponding step angle, after camera-shooting scanning, finds laser spot position closest to the stepping angle at center
Spend and be used as optimum angle angle value to be stored；
Step 60 then according to the optimum angle angle value set projector equipment projection angle projected.
The second technical problem to be solved by the present invention, it is to provide a kind of projection arrangement of wearable device, can be in the mankind
Directly display on arm and independent of display screen, shown and man-machine interaction to carry out image whenever and wherever possible.
What the second technical problem to be solved by the present invention was realized in：A kind of arm projection arrangement, including Laser emission
Device, laser scanning stepper motor, laser scanning electric machine controller, best angle analysis judging unit, camera, camera-shooting scanning step
Stepper motor, camera-shooting scanning electric machine controller, best angle memory cell, projector equipment angle controller motor, projector equipment with
And projection angle scanning range memory cell；The generating laser, laser scanning stepper motor, laser scanning motor control
Device, best angle analysis judging unit, camera, camera-shooting scanning stepper motor, camera-shooting scanning electric machine controller, best angle are deposited
Storage unit, projector equipment angle controller motor and projector equipment are sequentially connected；The projection angle scanning range storage is single
Member connects the camera-shooting scanning electric machine controller；
Projection is initial, and the launch angle of the laser scanning motor controller controls generating laser is from closest to wrist
Angle starts to elbow direction according to step angle adjustment launch angle step by step until emission maximum angle；Taking the photograph now
As brilliance degree is located at the intermediate angular position of projection angle range, an image can be gathered in each step by step modulating angle and be sent to
The best angle analyzes judging unit；
Luminance Analysis of the best angle analysis judging unit in image finds most bright laser spots, then records
Each laser step angle corresponds to the light intensity of laser spots, if not judging there are laser spots in image, illustrates that laser has been swept
Image pickup scope is described, laser spots light intensity is recorded as zero corresponding to the angle；When laser scans from minimum angles to maximum angle
After end, obtained laser spots are had Laser emission angle corresponding to largest light intensity value by the best angle analysis judging unit
Giving the laser scanning electric machine controller and being arranged to obtain laser spots by the Laser emission angle of the generating laser has
Launch angle corresponding to largest light intensity value, and carry out Laser emission；
After the angle adjustment of Laser emission has launch angle corresponding to largest light intensity value for laser spots, the optimum angle
Degree analysis judging unit controls the camera-shooting scanning electric machine controller that camera is carried out into step-scan action, from closest to wrist
Angle stepped to maximal projection angle value always, wherein maximal projection angle value is stored in the projection angle scanning model
Enclose in memory cell, in the meantime, camera, which can gather an image in each stepping and be sent to the best angle and analyze, to be sentenced
Disconnected unit is analyzed；
Best angle analysis judging unit can be in the picture in image Luminance Analysis find laser spots, then
Recording laser point position in the picture simultaneously records its corresponding step angle, after camera-shooting scanning, finds laser spots position
The step angle closest to center is put, and is stored to the best angle memory cell；
Then the projector equipment angle controller sets according to the optimum angle angle value of the best angle memory cell and thrown
Shadow angle is projected.
The invention has the advantages that：
1st, directly can be shown by the projector equipment that may be worn on human arm, it is not necessary to which other screens are set
It is standby；
2nd, it can be tested, be accustomed to automatically according to the different wearing of user Bu Tong thick with human arm by laser dot scans
Different projection angles is carefully caused to find best projection angle, to reach optimal display result；
3rd, projection optimum position can be found, most suitable throwing is first found according to the most most strong angle of light laser reflective light intensity
Shadow arm position, then adjusting projection angle can be exactly in the arm position of most suitable projection at the center of project content, with
Reach optimal drop shadow effect.
Brief description of the drawings
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the execution flow chart of the projecting method of wearable device of the present invention.
Fig. 2 is the schematic diagram of wearing state and scanning direction of the wearable device of the present invention on arm.
Fig. 3 is the view of wearable device projecting direction of the present invention.
Fig. 4 is the theory structure block diagram of the projection arrangement of wearable device of the present invention.
Embodiment
As shown in figure 1, the arm projecting method of the present invention, including：
Step 10, equipment is worn as user, as shown in Fig. 2 and making the direction of the launch of the generating laser of equipment, shooting
Head direction is consistent with the projecting direction of projector equipment, is all from the wrist of user towards the direction of elbow；Projection is initial, such as Fig. 2
Arrow shown in, control the launch angle of generating laser since the angle closest to wrist to elbow direction according to stepping angle
The adjustment launch angle of degree step by step is until emission maximum angle；
Step 20, camera angle now are located at the intermediate angular position of projection angle range, can be adjusted in each stepping
An image is gathered during whole angle；
Step 30, the Luminance Analysis in image find most bright laser spots, and (brightness of laser spots can be significantly greater than week
The environmental light intensity on side), the light intensity that each laser step angle corresponds to laser spots is then recorded, if not judging have in image
Laser spots, illustrate that laser has scanned image pickup scope, laser spots light intensity is recorded as zero corresponding to the angle；When laser is from most
For low-angle to after the maximum angle end of scan, Laser emission angle is arranged into laser spots has transmitting corresponding to largest light intensity value
Angle, and carry out Laser emission；
Step 40, when Laser emission angle adjustment for laser spots there is launch angle corresponding to largest light intensity value after, will
Camera carries out step-scan action, maximal projection angle value is stepped to always from the angle closest to wrist, in this phase
Between, camera can gather an image in each stepping；
Step 50, laser spots are found according to the Luminance Analysis in the image of collection, then recording laser point is in the picture
Position simultaneously records its corresponding step angle, after camera-shooting scanning, finds laser spot position closest to the stepping angle at center
Spend and be used as optimum angle angle value to be stored；
Step 60 and then as shown in figure 3, according to the optimum angle angle value set projector equipment projection angle projected.
As shown in Figures 1 to 4, arm projection arrangement of the invention, including generating laser 1, laser scanning stepper motor
2nd, laser scanning electric machine controller 3, best angle analysis judging unit 4, camera 5, camera-shooting scanning stepper motor 6, shooting are swept
Retouch electric machine controller 7, best angle memory cell 8, projector equipment angle controller motor 9, projector equipment 10 and projected angle
Spend scanning range memory cell 11；The generating laser 1, laser scanning stepper motor 2, laser scanning electric machine controller 3, most
Good angle analysis judging unit 4, camera 5, camera-shooting scanning stepper motor 6, camera-shooting scanning electric machine controller 7, best angle are deposited
Storage unit 8, projector equipment angle controller motor 9 and projector equipment 10 are sequentially connected；The projection angle scanning range is deposited
Storage unit 11 connects the camera-shooting scanning electric machine controller 7；Wherein,
The generating laser 1 is responsible for progress laser post and is generated and transmitted by；
The laser scanning stepper motor 2 is responsible for control generating laser 1, perpendicular to arm projection information load plane
Direction carry out up and down scanning motion；
The laser scanning electric machine controller 3 is responsible for the specific scanning angle of control laser scanning stepper motor 2, and is receiving
To after the judged result of best angle analysis judging unit 4, the Laser emission angle of laser scanning stepper motor 2 is persistently adjusted,
To reach the optimal judged result that luminous point analysis judges；
The best angle analysis judging unit 4 is responsible for that the laser spots in image are judged and analyzed, judges to obtain
The image of optimal projection angle, and notify laser scanning electric machine controller 3 will when analysis obtains best projection angular image
Best angle memory cell 8 described in best angle direct information；
The camera 5 is responsible for the image information on the Laser emission direction of collection generating laser 1, and image is sent to
Best angle analyzes judging unit 4；The projection angle that the camera angle adjustable extent of camera 5 is equal to projector equipment can adjust
Scope；
The camera-shooting scanning stepper motor 6 is responsible for the angle of control camera 5, flat perpendicular to the carrying of arm projection information
The direction in face carries out scanning motion up and down；
The camera-shooting scanning electric machine controller 7 is responsible for the specific scanning angle of control camera-shooting scanning stepper motor 6, and is receiving
To after the judged result of best angle analysis judging unit 4, best angle memory cell is arrived into the storage of optimum scanning angle information
8；
The best angle memory cell 8 is responsible for receiving the best angle information that camera-shooting scanning electric machine controller 7 is sent, and
By the direct information projector equipment angle-controlled motor 9；
The best angle that the projector equipment angle controller motor 9 is responsible for being sent according to best angle memory cell 8 is believed
Breath adjustment projector equipment angle；
The projector equipment 10 is responsible in the visual information projection of man-machine interaction to user's arm；
The projection angle scanning range memory cell 11 is responsible for the angular range that storage projector equipment 10 can scan；
The projection flow of the arm projection arrangement of the present invention is as follows：
Projection is initial, and the laser scanning electric machine controller 3 controls the launch angle of generating laser 1 from closest to wrist
Angle start to elbow direction according to step angle adjustment launch angle step by step until emission maximum angle；Now
The angle of camera 5 is located at the intermediate angular position of projection angle range, an image can be gathered in each step by step modulating angle
It is sent to the best angle analysis judging unit；
Luminance Analysis of the best angle analysis judging unit 4 in image finds most bright laser spots, Ran Houji
Record each laser step angle and correspond to the light intensity of laser spots, if not judging there are laser spots in image, illustrate laser
Image pickup scope is scanned, laser spots light intensity is recorded as zero corresponding to the angle；When laser is swept from minimum angles to maximum angle
After retouching end, obtained laser spots are had Laser emission corresponding to largest light intensity value by the best angle analysis judging unit 4
Angle gives the laser scanning electric machine controller 3 and is arranged to obtain laser by the Laser emission angle of the generating laser 1
Point has launch angle corresponding to largest light intensity value, and carries out Laser emission；
After the angle adjustment of Laser emission has launch angle corresponding to largest light intensity value for laser spots, the optimum angle
Degree analysis judging unit 4 controls the camera-shooting scanning electric machine controller 7 that camera 5 is carried out into step-scan action, from closest
The angle of wrist is stepped to maximal projection angle value always, and wherein maximal projection angle value is stored in the projection angle and swept
Retouch in range storage unit 11, in the meantime, camera 5 can gather an image in each stepping and be sent to the best angle
Analysis judging unit 4 is analyzed；
Luminance Analysis of the best angle analysis meeting of judging unit 4 in the picture in image finds laser spots, so
Laser spots position in the picture is recorded afterwards and records its corresponding step angle, after camera-shooting scanning, finds laser spots
Position and is stored to the best angle memory cell 8 closest to the step angle at center；
Then the projector equipment angle controller 9 is set according to the optimum angle angle value of the best angle memory cell 8
Projection angle is projected.
Although the foregoing describing the embodiment of the present invention, those familiar with the art should manage
Solution, the specific embodiment described by us are merely exemplary, rather than for the restriction to the scope of the present invention, are familiar with this
The equivalent modification and change that the technical staff in field is made in the spirit according to the present invention, should all cover the present invention's
In scope of the claimed protection.
Claims (2)
- A kind of 1. arm projecting method, it is characterised in that：Including：Step 10, wear equipment as user, and set the direction of the launch of the generating laser of equipment, camera direction and projection Standby projecting direction is all from the wrist of user towards the direction of elbow；Projection is initial, controls the launch angle of generating laser Sent out since the angle closest to wrist to elbow direction according to the adjustment launch angle of step angle step by step until maximum Firing angle degree；Step 20, camera angle now are located at the intermediate angular position of projection angle range, can be at each step by step modulating angle An image is gathered when spending；Step 30, the Luminance Analysis in image find most bright laser spots, and it is corresponding then to record each laser step angle The light intensity of laser spots, if not judging there are laser spots in image, illustrate that laser has scanned image pickup scope, the angle Corresponding laser spots light intensity is recorded as zero；After laser is from minimum angles to the maximum angle end of scan, by Laser emission angle Being arranged to laser spots has launch angle corresponding to largest light intensity value, and carries out Laser emission；Step 40, when Laser emission angle adjustment for laser spots there is launch angle corresponding to largest light intensity value after, will image Head carries out step-scan action, is stepped to maximal projection angle value always from the angle closest to wrist, in the meantime, taken the photograph As head can gather an image in each stepping；Step 50, laser spots are found according to the Luminance Analysis in the image of collection, then the position of recording laser point in the picture And record its corresponding step angle, after camera-shooting scanning, find laser spot position closest to center step angle simultaneously Stored as optimum angle angle value；Step 60 then according to the optimum angle angle value set projector equipment projection angle projected.
- A kind of 2. arm projection arrangement, it is characterised in that：Including generating laser, laser scanning stepper motor, laser scanning electricity It is machine controller, best angle analysis judging unit, camera, camera-shooting scanning stepper motor, camera-shooting scanning electric machine controller, optimal Angle memory cell, projector equipment angle controller motor, projector equipment and projection angle scanning range memory cell；It is described Generating laser, laser scanning stepper motor, laser scanning electric machine controller, best angle are analyzed judging unit, camera, taken the photograph As scanning stepper motor, camera-shooting scanning electric machine controller, best angle memory cell, projector equipment angle controller motor and Projector equipment is sequentially connected；The projection angle scanning range memory cell connects the camera-shooting scanning electric machine controller；Projection is initial, and the launch angle of the laser scanning motor controller controls generating laser is from the angle closest to wrist Start to elbow direction according to step angle adjustment launch angle step by step until emission maximum angle；Camera now Angle is located at the intermediate angular position of projection angle range, can gather in each step by step modulating angle described in image is sent to Best angle analyzes judging unit；Luminance Analysis of the best angle analysis judging unit in image finds most bright laser spots, and then record is each Laser step angle corresponds to the light intensity of laser spots, if not judging there are laser spots in image, illustrates that laser has scanned Image pickup scope, corresponding to the angle laser spots light intensity is recorded as zero；When laser is from minimum angles to the maximum angle end of scan Afterwards, obtained laser spots there is Laser emission angle corresponding to largest light intensity value to give by the best angle analysis judging unit The Laser emission angle of the generating laser is arranged to obtain laser spots with maximum by the laser scanning electric machine controller Launch angle corresponding to light intensity value, and carry out Laser emission；After the angle adjustment of Laser emission has launch angle corresponding to largest light intensity value for laser spots, the best angle point Analysing judging unit controls the camera-shooting scanning electric machine controller that camera is carried out into step-scan action, from the angle closest to wrist Degree is stepped to maximal projection angle value always, and wherein maximal projection angle value is stored in the projection angle scanning range and deposited In storage unit, in the meantime, camera can gather an image in each stepping and be sent to the best angle analysis judgement list Member is analyzed；Best angle analysis judging unit can be in the picture in image Luminance Analysis find laser spots, then record Laser spots position in the picture simultaneously records its corresponding step angle, after camera-shooting scanning, finds laser spot position most Paracentral step angle is connect, and is stored to the best angle memory cell；Then the projector equipment angle controller motor sets according to the optimum angle angle value of the best angle memory cell and thrown Shadow angle is projected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510351244.9A CN104980676B (en) | 2015-06-24 | 2015-06-24 | Arm projecting method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510351244.9A CN104980676B (en) | 2015-06-24 | 2015-06-24 | Arm projecting method and device |
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| Publication Number | Publication Date |
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| CN104980676A CN104980676A (en) | 2015-10-14 |
| CN104980676B true CN104980676B (en) | 2017-12-19 |
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| CN201510351244.9A Active CN104980676B (en) | 2015-06-24 | 2015-06-24 | Arm projecting method and device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106610559B (en) * | 2016-05-25 | 2019-03-15 | 北京一数科技有限公司 | A kind of rotary wrist throwing |
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| US10061387B2 (en) * | 2011-03-31 | 2018-08-28 | Nokia Technologies Oy | Method and apparatus for providing user interfaces |
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| CN1549046A (en) * | 2003-05-23 | 2004-11-24 | 明基电通股份有限公司 | Projector adapted to regulating image size and brightness accoding to environment size |
| JP2007013810A (en) * | 2005-07-01 | 2007-01-18 | Sharp Corp | Image projection method, projector, and computer program |
| JP2008252480A (en) * | 2007-03-30 | 2008-10-16 | Nikon Corp | Camera with projector |
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| CN104980676A (en) | 2015-10-14 |
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Address after: 350000 Fuzhou Gulou District, Fujian, software Avenue, building 89, No. 18 Applicant after: FUZHOU ROCKCHIP ELECTRONICS CO., LTD. Address before: 350000 Fuzhou Gulou District, Fujian, software Avenue, building 89, No. 18 Applicant before: Fuzhou Rockchip Semiconductor Co., Ltd. |
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