CN109656372A - Human-computer interaction device and its operating method based on infrared imperceptible structured light - Google Patents
Human-computer interaction device and its operating method based on infrared imperceptible structured light Download PDFInfo
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- CN109656372A CN109656372A CN201811625468.4A CN201811625468A CN109656372A CN 109656372 A CN109656372 A CN 109656372A CN 201811625468 A CN201811625468 A CN 201811625468A CN 109656372 A CN109656372 A CN 109656372A
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- 230000003993 interaction Effects 0.000 title claims abstract description 22
- 238000011017 operating method Methods 0.000 title claims abstract description 6
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 230000006698 induction Effects 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims abstract description 10
- 230000003287 optical effect Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 description 5
- 239000000571 coke Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 2
- 230000026676 system process Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000013152 interventional procedure Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03543—Mice or pucks
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
- G06F3/0383—Signal control means within the pointing device
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
Abstract
The invention discloses a kind of human-computer interaction device and its operating method based on black light structure light, it include: laser light source, laser projection camera lens, intelligent operating system and induction detection element, the laser light source includes visible light lasers light source and black light laser light source, visible light lasers light source is for projecting display normal picture, black light laser light source, for projecting black light structured light patterns, intelligent operating system, it is capable of handling and collects the imperceptible structured light pattern containing user's operation information, and based on structured light patterns thus, in conjunction with the image processing program in intelligence system, position the touch location of user, to drive mouse mobile.Compared with prior art, which realizes the operating effect of similar touch screen, and equipment is simple, and easy to install, use occasion is wide.
Description
Technical field
The invention belongs to Image Control Technique field, be related to a kind of human-computer interaction device based on infrared video positioning and its
Operating method.
Background technique
In recent years, touch screen technology high speed development, novel man-machine interaction mode realize with touch replace mouse or
Keyboard operation modes.Compared with traditional interactive mode, touching technique more intuitive and convenient, various products mutually then go out.Projection
Machine and electronic whiteboard are common collocation applications, because building on electronic whiteboard in touch-sensing positioning device.But work as throwing
When shadow size is greater than 65 inch, the collocation of this projector and electronic whiteboard shows significant limitation, does not simply fail to overcome height
The technological difficulties of cost are also to be difficult to break through in the large-scale blank with touch manner.
Ultrashort coke laser projection tv, since its projector distance is short, size is big, display performance is superior, transportation loading and unloading is convenient,
And the overwhelming cost advantage with same sized liquid crystal TV, accepting and produce in batches extensively for industry has been obtained, has been answered extensively
For fields such as high-end home theater, small conference room, multimedia teaching.It is ultrashort coke laser projection tv can with metope compared with
Close distance projects biggish picture, and the projection size of mainstream is in 100 inch or so in the market, short-range projection ability, and
The projecting direction of its projection ray is all provided convenience for the interactive operation of user.
How to make the ultrashort burnt laser projection tv of simple projected picture has interaction function, and user is directly against projection
Big picture carries out intuitive touch control operation, and Free Writing, operation, share and information is discussed directly on projected picture.Even if drawing
Face is projected on wall, on desktop, on ground, also interactive operation can be realized as Touch Screen, not by projection environmental background
Limitation.
Summary of the invention
To solve the above-mentioned problems, the purpose of the present invention is to provide a kind of man-machine friendships based on infrared imperceptible structured light
Mutual device reaches the effect of interaction using the action recognition technology of the ultrashort out-of-focus projection's display technology combination imperceptible structured light of intelligence
Fruit.
Another object of the present invention provides a kind of operation side of human-computer interaction device based on infrared imperceptible structured light
Method,
To achieve the above object, the technical scheme adopted by the invention is that: a kind of human-computer interaction based on black light structure light
Device, the laser light source including laser projection, it is characterised in that: the laser light source include visible light lasers light source module and
Black light laser light source module, the visible light lasers light source module are the light source for projecting display visible images, institute
Stating black light laser light source module is the light source for projecting display imperceptible structured light pattern, and two kinds of laser light sources pass through
Multiplexing apparatus after forming mixed light beam, forms optical path kenel altogether in laser projection；The light of the black light laser light source
Line modulates imperceptible structured light by light valve, is launched the gap of light projected image picture in projection by projection lens
Imperceptible structured light pattern is equipped with for detecting the finger of human body or the touch action of object in laser projection camera lens side
Incude detection element, the induction detection element to the imperceptible structured light pattern on acquired projections display area, detect by induction
It surveys component and connects intelligent operating system, the driving in laser projection, with laser projection is arranged in the intelligent operating system
Control system is connected, intelligent operating system processing induction detection element it is collected containing user's operation information not
Visible structure light pattern, and based on this pattern, driving mouse is mobile, reaches the operating effect of similar touch screen.
The induction detection element is black light image acquisition device, infrared sensor, infrared camera or heating power sensing
Device.
The black light laser light source module is infrared laser light source.
The imperceptible structured light pattern is the pattern of netted fringe light or lineament.
The maximum taper projection scope of the visible light projected image of visible light lasers light source module projection and invisible
The taper laser projection range of the imperceptible structured light of ray laser light source module projection is consistent.
A kind of operating method of the human-computer interaction device based on black light structure light, it is characterised in that grasp in the steps below
Make:
1) laser projection projects the pattern containing imperceptible structured light in the frame gap of projection normal visible light image, uses
Person carries out touch action operation before projected image；
2) induction detection element capture the imperceptible structured light pattern data containing user's operational motion, and by the data send to
Intelligent operating system；
3) in intelligent operating system, imperceptible structured light pattern data is handled, finds out the touch action of user,
It drives mouse mobile, completes the operation of similar touch screen；
4) in the touch action data of user and processor visible light live fluoroscopic images data combination, it is dynamic to complete user
Make and the synthesis docking of live fluoroscopic images is handled, by real-time interaction effect with the form flash of visible light to Projection Display area
Domain；
5) continue to project the pattern containing imperceptible structured light, no in the frame gap of projection visible images in laser projection
Visible images collector prepares imperceptible structured light pattern data of the capture containing user's operational motion.
By adopting the above technical scheme the utility model has the advantages that should human-computer interaction device based on black light structure light, be swash
Black light laser light source module is added in light projection TV, imperceptible structured light is modulated by light valve, passes through projection lens
Imperceptible structured light can be launched in the gap of light projected image picture in projection, projected image picture is used to watch, transmitting
Imperceptible structured light, for detecting the finger of human body or the touch action of object, the invisible structure comprising user's touch information
Optical signal captures the relative position of detecting, sensing user touch by being installed on the induction detection element above projection lens, and
Information is fed back to intelligent operating system, to drive mouse mobile, completes shirtsleeve operation, reaches the interaction of similar touch screen
Operating effect.
The laser light source of laser projection in the present invention, include visible light lasers light source and black light laser light source,
It is the light source for projecting display visible images such as infrared laser light source.Black light laser light source is for projecting display
The light source of imperceptible structured light pattern.Two kinds of laser light sources, by Multiplexing apparatus, after forming mixed light beam, in ultrashort burnt laser
Optical path kenel altogether, the invisible beam signal that the black light laser light source issues, by light valve tune are formed in projector
System becomes the black light structured light patterns of certain pattern, such as netted fringe light or the pattern of lineament, modulates black light
Light valve operation, modulation visible images interframe carry out.Thoughts are installed in the side of the projection window 4 of the laser projection
Detection element is answered, the induction detection element is infrared sensor, infrared camera or heating power sensor, is shown to acquired projections
Show the imperceptible structured light pattern on region, the induction detection element can acquire the laser projection of entire projected display region
The projected image of machine.Due to the induction detection element can only acquired projections display area imperceptible structured light pattern, will not adopt
Collect the visible light projected image of projected display region, i.e. the black light image acquisition device visible light of not being excited light projector
The interference for the visible light projected image picture that laser imaging light projection to projected display region is formed.Since the visible light is thrown
Shadow image and imperceptible structured light pattern are projected to projected display region and are shown all through the projection lens of laser projection.
User's viewing is visible light projected image, and the acquisition of black light image acquisition device is imperceptible structured light pattern.It can not
The maximum taper projection scope of the taper laser projection range for seeing structure light and visible light projected image is consistent, therefore can ensure that
Any interventional procedure within the scope of the laser projection of laser projection, can be detected.Intelligent operating system of the invention, peace
In ultrashort burnt laser projection, on the one hand it is connected with the driving control system of laser projection, makes laser projection equipment
There is intelligent operating system.On the other hand, it is connected with black light image acquisition device, is capable of handling collected containing user behaviour
Make the imperceptible structured light pattern of information, and based on this pattern, in conjunction with the image processing program in intelligence system, positioning makes
The touch location of user completes shirtsleeve operation to drive mouse mobile, reaches the operating effect of similar touch screen.
Detailed description of the invention
Fig. 1 is overall schematic of the invention；
Fig. 2 is the projection of the black light projection pattern of apparatus of the present invention, acquisition, processing schematic；
Fig. 3 is the man-machine interactive system process of apparatus of the present invention.
Appended drawing reference:
1: ultrashort coke laser projection；2: intelligent operating system；3: projection window；4 black light image acquisition devices.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
Referring to Fig.1-3, the present invention is based on the human-computer interaction device of imperceptible structured light, specifically include: ultrashort coke laser is thrown
Shadow machine 1, intelligent operating system 2, projection lens, projection window 3, induction detection element 4, invisible laser light source.
The induction detection element 4, including but not limited to black light image acquisition device, infrared camera, this hair
It is bright by taking black light image acquisition device as an example, to the imperceptible structured light pattern on acquired projections display area.This example
The surface of the projection window 3 of the laser projection 1 is arranged in black light image acquisition device 4, and but not limited to this, can not
Light-exposed image acquisition device 4 can acquire the perspective view of the ultrashort burnt laser projection 1 of entire projected display region in this position
Picture.In addition, the black light image acquisition device 4 of this patent, can only acquired projections display area imperceptible structured light pattern, no
The visible light projected image of projected display region can be collected, i.e., the black light image acquisition device 4 is not thrown by ultrashort burnt laser
The visible light lasers imaging of shadow machine 1 is projected to the interference of the visible light projected image picture of projected display region formation.
The laser light source of the ultrashort burnt laser projection, includes visible light lasers light source and black light laser light
Source, such as infrared laser light source.Visible light lasers light source is the light source for projecting display visible images.Black light laser
Light source is the light source for projecting display imperceptible structured light pattern.Two kinds of laser light sources form mixing by Multiplexing apparatus
After light beam, optical path kenel altogether is formed in ultrashort burnt laser projection.
In ultrashort burnt laser projection, it is seen that the visible light beam signal that ray laser light source issues is modulated by light valve
Become visible light projected image；The invisible beam signal that black light laser light source issues becomes certain by light valve modulation
The black light structured light patterns of mode, such as netted fringe light or the pattern of lineament, but do not limit.Modulate black light
Light valve operation is carried out in the interframe of modulation visible images.Visible light projected image and imperceptible structured light pattern, all through laser
The projection lens of projector is projected to projected display region and is shown.
When finger or other lighttight objects are intervened between the laser projection 1 and projected display region, and throwing
When having touch action operation on shadow image, the projected path that will lead to part black light structure light is hindered, relative to throwing
The projection for the black light structure light that shadow path is unimpeded can be in the intrusion object because of the convex-concave surface of intrusion object
Hinder position to generate the non-progressive or non-smooth imperceptible structured light deformation of apparent part, black light Image Acquisition
Device after the imperceptible structured light pattern for collecting the local deformation, is sent to intelligence system and carries out image procossing.Due to intrusion object
Intervention caused by local imperceptible structured light deform caused by otherness, be obvious and be easy to judge, thus can
Orient the specific touch location of the intrusion object.About the motion detection of finger or opaque object, using image difference
The technology of dividing, subtracts each other the imperceptible structured light pattern for the two continuous frames that black light image acquisition device obtains, analysis obtains
Be motion parts data.
The intelligence system is mounted in ultrashort burnt laser projection, on the one hand with the drive control of laser projection
System is connected, and laser projection is made to have intelligent operating system.On the other hand, it is connected with black light image acquisition device, energy
The collected imperceptible structured light pattern containing user's operation information is enough handled, and based on this pattern, in conjunction with intelligence
Image processing program in system, positions the touch location of user, to drive mouse mobile, completes shirtsleeve operation, reaches
To the operating effect of similar touch screen.
Man-machine interactive system process based on imperceptible structured light:
1) laser projection projects the pattern containing imperceptible structured light in the frame gap of projection normal visible light image, uses
Person carries out touch action operation before projected image；
2) black light image acquisition device captures the imperceptible structured light pattern data containing user's operational motion, and by the number
According to sending to intelligent operating system；
3) in intelligent operating system, imperceptible structured light pattern data is handled, finds out the touch action of user,
It drives mouse mobile, completes the operation of similar touch screen；
4) the combination for realizing visible light live fluoroscopic images data in the touch action data and processor of user is completed to make
User movement and live fluoroscopic images synthesis docking handle, prepare by real-time interaction effect with the form flash of visible light extremely
Projected display region；
5) then, continue to project the figure containing imperceptible structured light in the frame gap of projection visible images in laser projection
Case, black light image acquisition device prepare imperceptible structured light pattern data of the capture containing user's operational motion.
Claims (6)
1. a kind of human-computer interaction device based on black light structure light, the laser light source including laser projection, feature exist
In: the laser light source includes visible light lasers light source module and black light laser light source module, the visible light lasers light
Source module is the light source for projecting display visible images, and the black light laser light source module is for projecting display not
The light source of visible structure light pattern, two kinds of laser light sources, by Multiplexing apparatus, after forming mixed light beam, in laser projection
Form optical path kenel altogether；The light of the black light laser light source, modulates imperceptible structured light by light valve, passes through projection
Camera lens projection by the gap of light projected image picture, launch imperceptible structured light pattern, for detect human body finger or
The touch action of object is equipped with induction detection element in laser projection camera lens side, and the induction detection element is to acquire
Imperceptible structured light pattern on projected display region, induction detection element connect intelligent operating system, the intelligent operation system
System is arranged in laser projection, is connected with the driving control system of laser projection, the intelligent operating system processing sense
The imperceptible structured light pattern containing user's operation information of answering detection element collected, and based on this pattern, driving
Mouse is mobile, reaches the operating effect of similar touch screen.
2. the human-computer interaction device according to claim 1 based on black light structure light, it is characterised in that: the induction
Detection element is black light image acquisition device, infrared sensor, infrared camera or heating power sensor.
3. the human-computer interaction device according to claim 1 based on black light structure light, it is characterised in that: it is described can not
Light-exposed laser light source module is infrared laser light source.
4. the human-computer interaction device according to claim 1 based on black light structure light, it is characterised in that: it is described can not
See that structured light patterns are the pattern of netted fringe light or lineament.
5. the human-computer interaction device according to claim 1 based on black light structure light, it is characterised in that: described visible
The maximum taper projection scope and black light laser light source module of the visible light projected image of ray laser light source module projection are thrown
The taper laser projection range for the imperceptible structured light penetrated is consistent.
6. the operating method of the human-computer interaction device according to claim 1 based on black light structure light, feature exist
In operation in the steps below:
1) laser projection projects the pattern containing imperceptible structured light in the frame gap of projection normal visible light image, uses
Person carries out touch action operation before projected image；
2) induction detection element capture the imperceptible structured light pattern data containing user's operational motion, and by the data send to
Intelligent operating system；
3) in intelligent operating system, imperceptible structured light pattern data is handled, finds out the touch action of user,
It drives mouse mobile, completes the operation of similar touch screen；
4) in the touch action data of user and processor visible light live fluoroscopic images data combination, it is dynamic to complete user
Make and the synthesis docking of live fluoroscopic images is handled, by real-time interaction effect with the form flash of visible light to Projection Display area
Domain；
5) then, continue to project the figure containing imperceptible structured light in the frame gap of projection visible images in laser projection
Case, black light image acquisition device prepare imperceptible structured light pattern data of the capture containing user's operational motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811625468.4A CN109656372A (en) | 2018-12-28 | 2018-12-28 | Human-computer interaction device and its operating method based on infrared imperceptible structured light |
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| CN201811625468.4A CN109656372A (en) | 2018-12-28 | 2018-12-28 | Human-computer interaction device and its operating method based on infrared imperceptible structured light |
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|---|---|
| CN109656372A true CN109656372A (en) | 2019-04-19 |
Family
ID=66117928
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| CN201811625468.4A Pending CN109656372A (en) | 2018-12-28 | 2018-12-28 | Human-computer interaction device and its operating method based on infrared imperceptible structured light |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114245093A (en) * | 2022-02-25 | 2022-03-25 | 北京深光科技有限公司 | Projection operation method based on infrared and thermal sensing, electronic device and storage medium |
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