CN106072966A - A kind of intelligence with acoustic control display function is ridden the helmet - Google Patents
A kind of intelligence with acoustic control display function is ridden the helmet Download PDFInfo
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- CN106072966A CN106072966A CN201610430702.2A CN201610430702A CN106072966A CN 106072966 A CN106072966 A CN 106072966A CN 201610430702 A CN201610430702 A CN 201610430702A CN 106072966 A CN106072966 A CN 106072966A
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- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/014—Head-up displays characterised by optical features comprising information/image processing systems
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The intelligence with acoustic control display function that the present invention provides is ridden the helmet, including image acquisition unit and virtual image generation unit；Image acquisition unit needs the image of display for obtaining；Virtual image generation unit includes control module, projection module and the printing opacity display mirror that can cover people's eyes being arranged on helmet shell between windshield and face；Control module is for processing the image of acquisition, and controls projection module the image any position in printing opacity display mirror front is formed the virtual image.This helmet can meet the different people demand to visual custom at any position display image in helmet front, solves prior art and lacks one display conveniently, and picture projection mode is flexible, it is adaptable to the intelligent helmet of different people.
Description
Technical field
The present invention relates to motorcycle accessories field, particularly relate to intelligence and ride helmet field.
Background technology
The helmet is used to protect the protector of head, is instrument indispensable in people's traffic, mainly by helmet shell, lining and
Suspension etc. are constituted.Owing to being engaged in vairious activities, use requires difference, and structure and the style of the helmet are a lot.The helmet of the existing helmet
Shell is all made up of the material that intensity is higher, such as metal, engineering plastics, kevlar fiber etc., is absorbed greatly by its deformation
Part of impact force.Lining material has absorbing sweat, warming, the function of damping, and suspension is then between housing and liner
Part, generally can regulate, to adapt to the difference of different wearer's head dummys.
Only there is due to the existing helmet function of protection head, along with the raising of people's living standard, increasingly focus on
The facility ridden, bicyclist is that early stage is understood from network, including the sight spot picture downloaded in advance, lodging to strange route
Hotel's picture, diet restaurant picture or concrete route map.So, in ride, bicyclist just can compare these figures
Sheet searches out the restaurant of hotel specified, or finds destination according to concrete route map.Generally, bicyclist needs
When checking picture or route map, it may be possible to stop and be further continued for after checking travelling, or mobile phone is fixed on Herba Plantaginis end, need to look into
Bow when seeing and check mobile phone, thus it is possible, on the one hand, parking can cause the time to waste, delay stroke.On the other hand, ride while low
Head sees the mobile phone, and adds danger of riding, dangerous.To this end, prior art proposes the intelligent head that can show picture on the helmet
Helmet, the intelligent helmet proposed such as the application of Application No. 201510826452.x, can be by the image of shooting by penetrating at the moment
Formula optical module plays back, but certain side in the ray machine fixed helmet front of this intelligent helmet, on the one hand, and indication range is too
It is little, it has not been convenient to.On the other hand, picture projection mode underaction, the visual custom of different people is different, the most different bicyclists
The picture projection position size of custom is the most different.
Summary of the invention
For above-mentioned deficiency present in prior art, patent purpose of the present invention is how to provide a kind of intelligence to ride head
Helmet, it is possible to show image, and the position size scalable of image in helmet front, meet the different people demand to visual custom,
Solving prior art and lack one display conveniently, picture projection mode is flexible, it is adaptable to the intelligent helmet of different people.
For solving above-mentioned technical problem, it is achieved goal of the invention, the technical solution used in the present invention is as follows:
A kind of intelligence with acoustic control display function is ridden the helmet, is made up of helmet shell, lining and suspension, and helmet shell is just
Anterior position is provided with windshield, it is characterised in that include image acquisition unit and virtual image generation unit；Image acquisition unit
For obtaining the image needing display；Virtual image generation unit includes control module, and projection module and being arranged on helmet shell is positioned at
The printing opacity display mirror that can cover people's eyes between windshield and face；Control module is used for processing the image of acquisition, and
Control projection module at printing opacity, image is shown that any position in mirror front forms the virtual image.
As the further optimization of such scheme, described printing opacity shows the prism structure that mirror is the most vertically arranged, and its
In an incline towards human eye arrange.
As the further optimization of such scheme, described printing opacity display mirror is the vertically arranged Rhizoma Sparganii identical by even numbers
The two plurality of rows of prism arrays of row that mirror is constituted, in two prisms that wherein same column is adjacent, adjacent bottom surface is just to setting, with arranging phase
In two adjacent prisms, adjacent side is just to setting.
As the further optimization of such scheme, described prism is 4, and described projection module includes that helmet shell is in left and right two
On side, the position near printing opacity display mirror is each provided with two projectors, and wherein 4 projectors are corresponding with 4 prisms respectively,
And the incident illumination of each projector incides in the prism of correspondence at the same angle towards on face side.
As the further optimization of such scheme, described " control module processes the image obtained, and control projection module will
The image any position in printing opacity display mirror front forms the virtual image " particularly as follows: control module scanogram obtains pixel, and lead to
Cross pixel image zooms in and out translation to process, and image two row in two rows after processing are bisected into four regions, will be every
In the memory space of the projector that the Pixel Information of the pixel in individual region is saved in correspondence respectively；Projector is obtaining correspondence
In memory space after the Pixel Information of the pixel of storage, form the virtual image in printing opacity display mirror front.
As the further optimization of such scheme, it is M*N pixel that control module scanogram obtains line number * columns；
The step that control module zooms in and out translation process to image is as follows:
1) line number x and the columns y:x=M/p of the candidate pixel point chosen from the pixel of image are calculated1, y=N/p2,
Wherein p1For default row zoom factor, p2For default row zoom factor；
2) selecting x*y candidate pixel point from the pixel of image, the coordinate of candidate pixel point is (xi,yj), wherein,
xi=1*p1,2*p1,......,x*p1；xi∈M；i∈[1,x]；yj=1*p2,2*p2,......,y*p2；yj∈N；j∈[1,
y]；
3) coordinate of candidate pixel point is zoomed in and out coordinate transform；First pass through after following formula calculates scaling coordinate transform and wait
Select the coordinate of pixel: xi /=i+M/2 (1-1/p1), yj /=j+N/2 (1-1/p2), wherein, xi /And yj /Respectively scale coordinate
The abscissa of candidate pixel point and vertical coordinate after conversion；
4) coordinate to candidate pixel point carries out translational coordination conversion: calculate pixel after translational coordination converts by following formula
Coordinate: xi //=xi /+ Δ x, yj //=yj /+ Δ y, xi //, yj //It is respectively the abscissa of pixel after translational coordination converts and indulges
Coordinate；Δ x, Δ y are respectively the row translation coefficient and row translation coefficient preset；
5) all of candidate pixel point is stored；By candidate pixel point (xi, yj) Pixel Information, update to (xi //, yj //) sit
In the memory block that mark is corresponding.
As the further optimization of such scheme, " two row in two rows of the image after processing are bisected into described control module
Four regions, in the memory space of the projector that the Pixel Information of the pixel in each region is saved in correspondence respectively "
Step particularly as follows: will process after image in coordinate be in 0≤xi //＜ M/2,0≤yj //Pixel in the range of ＜ N/2 preserves
At the first memory space, coordinate is in M/2≤xi //＜ M, 0≤yj //Pixel in the range of ＜ N/2 is saved in the second storage
Space, is in 0≤x by coordinatei //＜ M/2, N/2≤yj //Pixel in the range of ＜ N is saved in the 3rd memory space, by coordinate
It is in M/2≤xi //＜ M, N/2≤yj //Pixel in the range of ＜ N is saved in the 4th memory space；Left with printing opacity display mirror
Lower left in the pixel preserved in projector first memory space corresponding to prism of top, with printing opacity display mirror
Top-right prism in the pixel preserved in projector the second memory space that prism is corresponding, with printing opacity display mirror
The pixel preserved in corresponding projector the 3rd memory space is corresponding with bottom-right prism in printing opacity display mirror
The pixel preserved in projector the 4th memory space.
As the further optimization of such scheme, described control module also prestores plurality of display modes and correspondence thereof
Display coefficient, display coefficient includes row zoom factor, row zoom factor, row translation coefficient and row translation coefficient；Control module is also
After receiving the voice signal identifying wearer, it is judged that obtain display pattern and the display of correspondence thereof that current wearer is arranged
Coefficient, control module controls projection module according to display coefficient and at printing opacity, image being shown, any position in mirror front forms void
Picture.
Compared to prior art, present invention have the advantage that
The intelligence that the present invention provides is ridden the helmet, it is possible at any position display image in helmet front, can not only expire
The foot different people demand to visual custom, for motorcycle bicyclist, the current road conditions of necessary combination change
Position that image shows or size, such as, may want to imaging when of climbing more on the lower side, wish imaging when observing red street lamp
Do not have influence on the vision etc. of bicyclist.The method solves prior art and lacks one display conveniently, and picture projection mode is flexible,
It is applicable to the intelligent helmet of different people, additionally provides voice control function simultaneously, by identifying that the voice command of wearer is shown
Coefficient, controls the image any position in helmet front according to display coefficient and forms the virtual image.
Accompanying drawing explanation
Fig. 1 is the structural representation of the intelligent helmet of riding in embodiment.
Fig. 2 is the structural representation of the virtual image generation unit of the intelligent helmet of riding in embodiment.
Fig. 3 is the image-forming principle schematic diagram of the virtual image generation unit of the intelligent helmet of riding in embodiment.
Fig. 4 is the structured flowchart of the intelligent helmet of riding in the present embodiment.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
A kind of intelligence with acoustic control display function is ridden the helmet, as Figure 1-4, by helmet shell, lining and suspension
Constituting, the dead ahead position of helmet shell is provided with windshield, including image acquisition unit and virtual image generation unit；Image Acquisition list
Unit needs the image of display for obtaining；Virtual image generation unit includes control module, projection module and to be arranged on helmet shell upper
The printing opacity display mirror that can cover people's eyes between windshield and face；Control module is used for processing the image of acquisition,
And control projection module by image printing opacity display mirror front any position formed the virtual image.
Image acquisition unit (the image input 1 in such as Fig. 4) can be reading image from internal memory, it is also possible to be from hands
Machine reads image.Image acquisition unit through image input interface by image transmitting to controller.Printing opacity display mirror is (in Fig. 4
Display module) cover people's eyes, one can show image in the whole visual range of people, and two carry out wearer can be according to certainly
Body with eye custom, visual custom, control to produce on image optional position in the whole visual range of people the virtual image.This is ridden
The helmet, it is possible at any position display image in helmet front, meet the different people demand to visual custom, additionally provide simultaneously
Voice control function, by identifying that the voice command of wearer obtains showing coefficient, controls image in helmet front according to display coefficient
Any position formed the virtual image.
Also prestoring the display coefficient of plurality of display modes and correspondence thereof in described control module, display coefficient includes row contracting
Put coefficient, row zoom factor, row translation coefficient and row translation coefficient；Control module is additionally operable to receive the voice letter identifying wearer
After number, it is judged that obtain display pattern and the display coefficient of correspondence thereof that current wearer is arranged, control module is according to display coefficient
Control projection module at printing opacity, image is shown that any position in mirror front forms the virtual image.
Row zoom factor or row zoom factor are respectively used to explanatory diagram picture zoom degree in row or column, row translation coefficient
Or row translation coefficient is respectively used to explanatory diagram picture translation degree in row or column.When being embodied as, can embed in the helmet
Microphone and receiver (voice output 1 in Fig. 4).Wherein it is particularly shown pattern can set as the case may be, both can internal journey
Sequence sets, it is also possible to manually set by wearer.Such as voice command includes mode command, the Scale command, translation order
And display command.Wherein mode command can control zoom factor (row zoom factor and row zoom factor) and translation coefficient simultaneously
(row translation coefficient and row translation coefficient), the Scale command can only control zoom factor, and translation order can only control translation system
Number, display command is for controlling startup or the closedown of the display function of this intelligent helmet, and 2 in Fig. 1 are shift knob.
System power supply can be provided by motorcycle vehicular power-bottle and line related and voltage changing module, and system power supply is had by motorcycle
Line provides, and is that power supply is stable, persistently compared to the advantage of radio source or embedding power supply.Additionally virtual image generation unit is permissible
Need not embed in the helmet, be arranged on the outer surface of helmet shell, such helmet also will not produce obvious fever phenomenon, is more suitable for
Motorcycle is ridden.
This helmet can be used for Mobile Telephone Gps, and such as motorcycle driver can be by Mobile Telephone Gps, photographic head or other phonetic image
Information is input to control module by phonetic image input interface (phonetic entry 1 in Fig. 4, phonetic entry 2) and (controls in Fig. 4
Device) process after by voice output interface, voice is sent to receiver, send images to projector by image output interface
Project to reflect to form in translite displays the virtual image.When carrying out speech processes, it is also possible to be additionally provided with a process voice signal
Speech processing module, driver's (i.e. wearer) is sent to after sending voice information to speech processing module identification by microphone
The voice control function that picture position, size are shown by controller device with realization.Back seat driver put on the helmet equipped with microphone-receiver with
Phonetic entry output interface is connected and can also converse easily with front stall driver.System also comprises memory module, and driver is also
Can select to preserve the phonetic image information of needs.
The prism structure that described printing opacity display mirror is the most vertically arranged, and wherein an incline is arranged towards human eye.Described
Printing opacity display mirror is two row plurality of rows of prism array, wherein the same column phases being made up of the identical vertically arranged prism of even numbers
In two adjacent prisms, adjacent bottom surface is just to setting, with adjacent side in two prisms that row is adjacent just to setting.Based on
Lens optical image-forming principle, after this ensure that image the side of generationing penetrating in printing opacity display mirror, it is possible to before printing opacity shows that mirror is just
The square one-tenth virtual image.As in figure 2 it is shown, reflect when projector light source incides on prism array, and formed at eyes dead ahead
Projector becomes virtual image superimposed layer, and real world images superposition.Wherein, gap between adjacent prism, can be there is, if prism
Array covers people's eyes just.
Considering imaging effect and projector arranges convenient problem, described prism is 4, and position is respectively
It is positioned at the printing opacity display upper left side of mirror, lower left, upper right side and lower right.Described projection module includes that helmet shell is on the left and right sides
Being each provided with two projectors 1 near the position of printing opacity display mirror, wherein 4 projectors are corresponding with 4 prisms respectively, and often
The incident illumination of individual projector 1 incides in the prism of correspondence at the same angle towards on face side.Machinery input in Fig. 4
Partly referring to the focal length by hardware adjustments display module (such as projector), such as, in Fig. 1,3 is the button of regulation projector focal length.
To realize the seamless coincidence of several projector image.Such as: two projectors being arranged on on the left of helmet shell show with printing opacity respectively
Showing that the upper left side of mirror is corresponding with the prism of lower left, two projectors being arranged on on the right side of helmet shell show mirror with printing opacity respectively
Upper right side corresponding with bottom-right prism.The incident illumination of projector is best towards the angle on face side with prism
It is 30 degree, so can guarantee that the light reflected by prism is horizontally toward face injection.Printing opacity of the present invention display mirror passes through
Multiple projectors project image onto etc. with certain inclination angle and reflect to form the virtual image on the array of quantity prism composition and be added to reality
On image, to reduce prism thickness, increase display picture area.
In order to realize showing image in optional position, helmet front, it is contemplated that after image scaling is translated, image is shown
When showing, the part of each projector preserves respectively, when the most several projectors project simultaneously, and can form the complete virtual image
?.Described " control module process obtain image, and control projection module by image printing opacity display mirror front any position
Form the virtual image " particularly as follows: control module scanogram obtains pixel, and by pixel, image is zoomed in and out at translation
Reason, and will process after image in two rows two row be bisected into four regions, the Pixel Information of the pixel in each region is divided
In the memory space of the projector not being saved in correspondence；Projector is the pixel of the pixel of storage in obtaining corresponding memory space
After information, form the virtual image in printing opacity display mirror front.
It is M*N pixel that control module scanogram obtains line number * columns；
The step that control module zooms in and out translation process to image is as follows: the design that this scaling translation processes is, first
Obtain effective candidate pixel point and home position thereof, be then calculated the final of this candidate pixel point after scaling translation processes
Position, is finally saved in the Pixel Information of this candidate pixel point the memory block of final position, just completes scaling translation functions.
1) line number x and the columns y:x=M/p of the candidate pixel point chosen from the pixel of image are calculated1, y=N/p2,
Wherein p1For default row zoom factor, p2For default row zoom factor；Such as M=1200, N=1600, the identification of this image
Precision is considered by control module and the precision of images read.
2) selecting x*y candidate pixel point from the pixel of image, the coordinate of candidate pixel point is (xi,yj), wherein,
xi=1*p1,2*p1,......,x*p1；xi∈M；i∈[1,x]；yj=1*p2,2*p2,......,y*p2；yj∈N；j∈[1,
y]；Such as, p1=2, p2When=1, xi=2,4 ..., 1200；yj=1,2 ..., 1600；xiTake 600 points, every one
Pixel selects a pixel, yjTake 800 points.
3) coordinate of candidate pixel point is zoomed in and out coordinate transform；First pass through after following formula calculates scaling coordinate transform and wait
Select the coordinate of pixel: xi /=i+M/2 (1-1/p1), yj /=j+N/2 (1-1/p2), wherein, xi /And yj /Respectively scale coordinate
The abscissa of candidate pixel point and vertical coordinate after conversion；Use and first scale the calculating ratio translation that the mode translated afterwards is because scaling
Complicated, the longest, need to zoom in and out the quantity of the pixel of process by minimizing, first scale and obtain small number afterwards
Candidate pixel point, then the candidate pixel point of small number is carried out translation calculation, reduce amount of calculation and consumption that scaling translation processes
Time.If scaled afterwards it addition, use first to translate, then zoom factor will change translation coefficient so that translation coefficient is inaccurate, no
Assessment translation degree well.
4) coordinate to candidate pixel point carries out translational coordination conversion: calculate pixel after translational coordination converts by following formula
Coordinate: xi //=xi /+ Δ x, yj //=yj /+ Δ y, xi //, yj //It is respectively the abscissa of pixel after translational coordination converts and indulges
Coordinate；Δ x, Δ y are respectively the row translation coefficient and row translation coefficient preset；
5) all of candidate pixel point is stored；By candidate pixel point (xi, yj) Pixel Information, update to (xi //, yj //) sit
In the memory block that mark is corresponding.
Control module most is starting first to initialize, and in the dead ahead display virtual image of printing opacity display mirror, works as wearing
When person needs regulation, just manual or language control and regulation.
" two row in two rows of the image after processing are bisected into four regions, by the picture in each region to described control module
The Pixel Information of vegetarian refreshments be saved in respectively correspondence projector memory space in " step particularly as follows: will process after image
Middle coordinate is in 0≤xi //＜ M/2,0≤yj //Pixel in the range of ＜ N/2 is saved in the first memory space (left side in the virtual image
Upper section), coordinate is in M/2≤xi //＜ M, 0≤yj //Pixel in the range of ＜ N/2 is saved in the second memory space
(the lower left part in the virtual image), is in 0≤x by coordinatei //＜ M/2, N/2≤yj //Pixel in the range of ＜ N is saved in
Three memory spaces (the upper right side part in the virtual image), are in M/2≤x by coordinatei //＜ M, N/2≤yj //Pixel in the range of ＜ N
Point is saved in the 4th memory space (the lower right part in the virtual image)；The throwing corresponding with upper left prism in printing opacity display mirror
Shadow instrument projects the pixel preserved in the first memory space, and the projector corresponding with the prism of lower left in printing opacity display mirror is thrown
The pixel preserved in shadow the second memory space, the projector threeth corresponding with top-right prism in printing opacity display mirror
The pixel preserved in memory space, the projector fourth storage sky corresponding with bottom-right prism in printing opacity display mirror
The pixel preserved between.
The pixel of the image after processing is divided equally and is shown in four regions, on the one hand ensure that the virtual image of generation
Being capable of seamless spliced, imaging is just intersected.On the other hand, the focal length of four projector imagings is identical so that the figure of formation
As will not deforming or distort.Last aspect, imaging is more nearly artwork, and reproducibility is more preferable.
Finally illustrating, above example is only in order to illustrate technical scheme and unrestricted, although with reference to relatively
The present invention has been described in detail by good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, and without deviating from objective and the scope of technical solution of the present invention, it all should be contained at this
In the middle of the right of invention.
Claims (8)
1. there is the intelligence of acoustic control display function ride a helmet, be made up of helmet shell, lining and suspension, helmet shell just before
Orientation is put and is provided with windshield, it is characterised in that include image acquisition unit and virtual image generation unit；Image acquisition unit is used
In obtaining the image needing display；Virtual image generation unit includes control module, projection module and be arranged on helmet shell and be positioned at gear
The printing opacity display mirror that can cover people's eyes between wind glass and face；Control module is for processing the image of acquisition, and controls
At printing opacity, image is shown that any position in mirror front forms the virtual image by projection module processed.
There is the intelligence of acoustic control display function the most as claimed in claim 1 ride the helmet, it is characterised in that described printing opacity shows
The prism structure that mirror is the most vertically arranged, and wherein an incline is arranged towards human eye.
There is the intelligence of acoustic control display function the most as claimed in claim 2 ride the helmet, it is characterised in that described printing opacity shows
Mirror is the two plurality of rows of prism arrays of row being made up of even numbers identical vertically arranged prism, wherein adjacent two of same column
In prism, adjacent bottom surface is just to setting, with adjacent side in two prisms that row is adjacent just to setting.
There is the intelligence of acoustic control display function the most as claimed in claim 3 ride the helmet, it is characterised in that described prism is
4, described projection module includes that helmet shell is each provided with two projectors near the position of printing opacity display mirror on the left and right sides, its
In 4 projectors corresponding with 4 prisms respectively, and the incident illumination of each projector incide at the same angle correspondence three
Towards on face side in prism.
There is the intelligence of acoustic control display function the most as claimed in claim 4 ride the helmet, it is characterised in that described " control mould
Block processes the image obtained, and controls projection module the image any position in printing opacity display mirror front is formed the virtual image " concrete
Obtain pixel for: control module scanogram, and by pixel, image is zoomed in and out translation and process, and after processing
Image two row in two rows are bisected into four regions, and the Pixel Information of the pixel in each region is saved in the throwing of correspondence respectively
In the memory space of shadow instrument；Projector after the Pixel Information of the pixel of storage, shows at printing opacity in obtaining corresponding memory space
Show that mirror front forms the virtual image.
There is the intelligence of acoustic control display function the most as claimed in claim 5 ride the helmet, it is characterised in that control module scans
It is M*N pixel that image obtains line number * columns；
The step that control module zooms in and out translation process to image is as follows:
1) line number x and the columns y:x=M/p of the candidate pixel point chosen from the pixel of image are calculated1, y=N/p2, wherein
p1For default row zoom factor, p2For default row zoom factor；
2) selecting x*y candidate pixel point from the pixel of image, the coordinate of candidate pixel point is (xi,yj), wherein, xi=
1*p1,2*p1,......,x*p1；xi∈M；i∈[1,x]；yj=1*p2,2*p2,......,y*p2；yj∈N；j∈[1,y]；
3) coordinate of candidate pixel point is zoomed in and out coordinate transform；First pass through following formula and calculate candidate's picture after scaling coordinate transform
The coordinate of vegetarian refreshments:Wherein, xi /And yj /Respectively scale coordinate
The abscissa of candidate pixel point and vertical coordinate after conversion；
4) coordinate to candidate pixel point carries out translational coordination conversion: calculate the seat of pixel after translational coordination converts by following formula
Mark: xi //=xi /+ Δ x, yj //=yj /+ Δ y, xi //, yj //After being respectively translational coordination conversion, the abscissa of pixel is sat with vertical
Mark；Δ x, Δ y are respectively the row translation coefficient and row translation coefficient preset；
5) all of candidate pixel point is stored；By candidate pixel point (xi, yj) Pixel Information, update to (xi //, yj //) coordinate pair
In the memory block answered.
There is the intelligence of acoustic control display function the most as claimed in claim 6 ride the helmet, it is characterised in that described control module
" two row in two rows of the image after processing are bisected into four regions, the Pixel Information of the pixel in each region are protected respectively
Exist in the memory space of corresponding projector " step particularly as follows: in image after processing coordinate be in 0≤xi //＜ M/
2,0≤yj //Pixel in the range of ＜ N/2 is saved in the first memory space, and coordinate is in M/2≤xi //＜ M, 0≤yj //＜
Pixel in the range of N/2 is saved in the second memory space, and coordinate is in 0≤xi //＜ M/2, N/2≤yj //In the range of ＜ N
Pixel is saved in the 3rd memory space, and coordinate is in M/2≤xi //＜ M, N/2≤yj //Pixel in the range of ＜ N preserves
At the 4th memory space；Projector first memory space corresponding with upper left prism in printing opacity display mirror preserves
Pixel, the pixel preserved in projector the second memory space corresponding with the prism of lower left in printing opacity display mirror
Point, the pixel preserved in projector the 3rd memory space corresponding with top-right prism in printing opacity display mirror, with
The pixel preserved in projector the 4th memory space that in printing opacity display mirror, bottom-right prism is corresponding.
There is the intelligence of acoustic control display function the most as claimed in claim 1 ride the helmet, it is characterised in that described control module
In also prestore the display coefficient of plurality of display modes and correspondence thereof, display coefficient includes row zoom factor, row zoom factor, OK
Translation coefficient and row translation coefficient；After control module is additionally operable to receive the voice signal identifying wearer, it is judged that obtain and currently wear
The display pattern of wearer's setting and the display coefficient of correspondence thereof, control module controls projection module according to display coefficient and is existed by image
Any position in printing opacity display mirror front forms the virtual image.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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