CN107885325A - A kind of bore hole 3D display method and control system based on tracing of human eye - Google Patents
A kind of bore hole 3D display method and control system based on tracing of human eye Download PDFInfo
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- CN107885325A CN107885325A CN201710991468.5A CN201710991468A CN107885325A CN 107885325 A CN107885325 A CN 107885325A CN 201710991468 A CN201710991468 A CN 201710991468A CN 107885325 A CN107885325 A CN 107885325A
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- 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
- G06F3/013—Eye tracking input arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/18—Eye characteristics, e.g. of the iris
- G06V40/19—Sensors therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
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- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/01—Indexing scheme relating to G06F3/01
- G06F2203/012—Walk-in-place systems for allowing a user to walk in a virtual environment while constraining him to a given position in the physical environment
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Abstract
The embodiment of the invention discloses a kind of bore hole 3D display method and control system based on tracing of human eye.Methods described includes：Obtain point coordinates in the eyes for the beholder that camera photographs；By comparing point coordinates and the preset reference coordinate demarcated in advance in eyes, determine the moving direction of beholder's eyes and deviate the displacement of preset reference coordinate；According to moving direction and displacement, in combination with the start offset amount for the eyes demarcated in advance, translation processing is carried out to the display content of display screen.Wherein, start offset amount is when eyes midpoint coordinate is located at preset reference coordinate, and the axis deviation of camera optical axis schemes the distance of cycle central point to arrange figure datum mark as the row of starting point.By using above-mentioned technical proposal, screen display content can be caused to follow the mobile of eyes to be moved accordingly, beholder is in the range of visual range, without deliberately finding viewing location, crosstalk phenomenon can be avoided, while also can easily experience preferable bore hole 3D effect.
Description
Technical field
The present embodiments relate to 3D display technical field, more particularly to a kind of bore hole 3D display side based on tracing of human eye
Method and control system.
Background technology
Bore hole 3D display technology refers to that special 3D glasses need not be worn, and onlooker directly can visually view and admire three-dimensional shadow
Picture, a kind of 3D display technology of 3D effect is presented.Bore hole 3D display technology includes column mirror grating, slit grating, liquid crystal lens etc.,
Most widely used at present is cylindrical mirror 3D display technology.The principle of cylindrical mirror 3D display technology is by being pasted before convention display
Attached one layer of special lens pillar is realized.The pixel of image below each post lens is divided into several sub-pixels, so
Lens can just project each sub-pixel in different directions.When user is watching 3D display content, left eye and right eye are seen respectively
The light sent to different subpixel, the left eye of people and right eye is seen different pictures, and be fused into 3D effects in the brain
The picture of fruit.
But because pixel content is separately projected right and left eyes by each cylindrical mirror, therefore in no carry out tracing of human eye
In the case of, the distribution of fixed light can be just seen preferably vertical, it is necessary to user finds suitable viewing location all around
Body effect.When viewing location is improper, into left eye light possibly into right eye, now right eye not only can be seen left figure but also can
See right figure, easily produce crosstalk (crosstalk), Consumer's Experience is poor.
At present, for above mentioned problem, the solution that prior art provides is mainly that the fortune of human eye is tracked using camera
It is dynamic, two coordinate systems using display screen center and camera position as the origin of coordinates are established, and demarcate the relation of two coordinate systems.
When using camera tracking human eye it is mobile when, by obtaining and changing out coordinate of the human eye in camera coordinate system, then enter
One step is transformed into display screen centre coordinate system.Therefore, above-mentioned application scheme needs the conversion by coordinate system twice.While by
What is photographed in camera is two dimensional image, therefore, also needs to be transformed into three-dimensional system of coordinate, determines human eye in three-dimensional system of coordinate
The change in x, y and z axes direction.In addition it is also necessary to the transformational relation number of the people's eye coordinates and screen coordinate in calibration for cameras image
According to, with screen center and with camera position be respectively the origin of coordinates Two coordinate system between relation, screen coordinate and post lens
Light path is distributed the relation between row's graph parameter.
Therefore, the movement based on position of human eye, the technical scheme that prior art provides are carrying out row's figure of bore hole 3D contents
When, the parameter that need to be demarcated is more, and debugging efficiency is relatively low, is unfavorable for the demarcation demand of large number quipments.
The content of the invention
The embodiment of the present invention provides a kind of bore hole 3D display method and control system based on tracing of human eye, greatly simplifies
Traditional tracing of human eye method and based on tracing of human eye to arranging the adjustment of figure content, improve 3D display effect.
To achieve the above object, the embodiment of the present invention adopts the following technical scheme that：
In a first aspect, the embodiments of the invention provide a kind of bore hole 3D display method based on tracing of human eye, methods described
Including：
Obtain point coordinates in the eyes for the beholder that camera photographs；
By point coordinates in the eyes and the preset reference coordinate demarcated in advance, beholder's eyes are determined
Moving direction and the displacement for deviateing the preset reference coordinate；
It is right in combination with the start offset amount for the eyes demarcated in advance according to the moving direction and the displacement
The display content of display screen carries out translation processing；
Wherein, the start offset amount be when eyes midpoint coordinate is located at the preset reference coordinate, it is described to take the photograph
As the axis deviation of head optical axis is to arrange figure datum mark as the distance of row's figure cycle central point of starting point；Wherein, the default base
Quasi coordinates is the center that the camera shoots picture；With the camera relative to the display screen institute in a coordinate system
Pixel coordinate be starting point, the line segment parallel to the Grating Film cloth set direction is row's figure datum line, on row's figure datum line
Any point be row's figure datum mark.
Second aspect, the embodiments of the invention provide a kind of bore hole 3D control systems based on tracing of human eye, the control
System includes：
Eyes midpoint coordinate obtaining module, point coordinates in the eyes of the beholder photographed for obtaining camera；
Displacement determining module, for being sat by point coordinates in the eyes with the preset reference demarcated in advance
Mark, determine the moving direction of beholder's eyes and deviate the displacement of the preset reference coordinate；
Display content translation module, for according to the moving direction and the displacement, being demarcated in combination with advance
Eyes start offset amount, translation processing is carried out to the display content of display screen；
Wherein, the start offset amount be when eyes midpoint coordinate is located at the preset reference coordinate, it is described to take the photograph
As the axis deviation of head optical axis is to arrange figure datum mark as the distance of row's figure cycle central point of starting point；Wherein, the default base
Quasi coordinates is the center that the camera shoots picture；With the camera relative to the display screen institute in a coordinate system
Pixel coordinate be starting point, the line segment parallel to Grating Film cloth set direction is row's figure datum line, appointing on row's figure datum line
Meaning is some row's figure datum mark.
In the technical scheme of the embodiment of the present invention, point coordinates in the eyes of the beholder photographed by obtaining camera,
And point coordinates in eyes is made comparisons with the preset reference coordinate demarcated in advance, it may be determined that the moving direction of beholder's eyes with
And deviate the displacement of preset reference coordinate.Wherein, preset reference coordinate is the center that camera shoots picture.According to
The moving direction and displacement of beholder's eyes, can be to display screen in combination with the start offset amount for the eyes demarcated in advance
Display content carry out translation processing.Wherein, start offset amount is before handling the display content of display screen, is utilized
The constant of camera calibration, specially when eyes midpoint coordinate is located at preset reference coordinate, the axis deviation of camera optical axis
The distance of cycle central point is schemed to arrange figure datum mark as the row of starting point.
By using above-mentioned technical proposal, the display content of display screen can be caused to follow the movement of beholder's eyes to enter
Row is corresponding mobile.Beholder is in the range of visual range, without deliberately finding viewing location or keeping viewing location.Work as viewing
When the position of person changes, because display content is also moved accordingly, the light that should enter beholder's left eye is avoided
Line enters right eye, and the light that should enter beholder's right eye enters the crosstalk phenomenon caused by left eye so that beholder can be with
Easily experience preferable bore hole 3D effect.In addition, by the way that row's figure datum mark is arranged to camera relative to where display screen
Pixel in coordinate system, the technical scheme provided relative to prior art, the calibration process of the row's of greatly simplify graph parameter
And quantity, simplify calculating.Preset reference coordinate is used as by the center that camera is shot to photo, and by demarcating
Beginning offset, it can make it that tracing of human eye is more quick, accurate.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, institute in being described below to the embodiment of the present invention
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it can also be implemented according to the present invention
The content of example and these accompanying drawings obtain other accompanying drawings.
Fig. 1 a are a kind of flow signal for bore hole 3D display method based on tracing of human eye that the embodiment of the present invention one provides
Figure；
Fig. 1 b are that the row that the embodiment of the present invention one provides schemes cycle schematic diagram；
Fig. 2 is a kind of flow signal for bore hole 3D display method based on tracing of human eye that the embodiment of the present invention two provides
Figure；
Fig. 3 a are a kind of stream for bore hole 3D display method for being preferably based on tracing of human eye that the embodiment of the present invention three provides
Journey schematic diagram；
Fig. 3 b are a kind of schematic diagram for row's figure mode that the embodiment of the present invention three provides；
Fig. 3 c are that a kind of striped for preset optical distribution map that the embodiment of the present invention three provides follows eyes center to move
Dynamic schematic diagram；
Fig. 4 a are the bore hole 3D display method that another that the embodiment of the present invention four provides is preferably based on tracing of human eye
Schematic flow sheet；
Fig. 4 b are that the relation between a kind of eyes moving direction and row's figure periodic width that the embodiment of the present invention four provides is shown
It is intended to；
Fig. 4 c are a kind of schematic diagram for row's figure period modulation mode that the embodiment of the present invention four provides；
Fig. 5 a are that the embodiment of the present invention five provides another bore hole 3D display method for being preferably based on tracing of human eye
Schematic flow sheet；
Fig. 5 b are a kind of eyes image-forming range and the linear relationship schematic diagram in row's figure cycle that the embodiment of the present invention five provides；
Fig. 6 is a kind of structured flowchart for bore hole 3D control systems based on tracing of human eye that the embodiment of the present invention six provides.
Embodiment
For make present invention solves the technical problem that, the technical scheme that uses and the technique effect that reaches it is clearer, below
The technical scheme of the embodiment of the present invention will be described in further detail with reference to accompanying drawing, it is clear that described embodiment is only
It is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those skilled in the art exist
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
For clear, clear description various embodiments of the present invention, the realization principle of the present invention is simply introduced first.
The technical scheme of the application can apply to be provided with the display device of camera.The terminal device can carry shooting head mould
Group, certain camera can also be fixedly mounted on the display device.Pass through point coordinates in beholder's eyes for photographing camera
Preset optical distribution map with being demarcated in advance using the camera is compared, and can turn beholder's eyes relative to the movement of screen
Turn to movement of the eyes coordinate relative to preset optical distribution map.The displacement of beholder's eyes is followed, it is default by calculating
The displacement of striped can carry out corresponding translation processing to the display content of display device in optical profile figure, to ensure to see
The display image that the person of seeing sees keeps constant, i.e., left figure data enter beholder's left eye by Grating Film, and right figure data, which enter, to be seen
The person's of seeing right eye, bore hole 3D display effect is realized after right and left eyes image data fusion.
Wherein, the content that preset optical distribution map is shown can be used for representing the content shown by display screen, i.e. preset optical
Distribution map is real embodiment of the display screen in two-dimensional space.Specifically, preset optical distribution map is the spectroscopy scheme demarcated in advance
Spectrum, include the first striped and the second striped of transpostion interval arrangement.Wherein, the angle of inclination of the first striped or the second striped is
Angle of inclination when Grating Film is laid relative to preset direction (can be the long side or short side of display screen) is actual, each first
The total number sum of the every row pixel of line and each second striped is fringe period.Therefore, in specific calculating process, preset
Optical profile figure can utilize following three parameter to represent：Start offset amount, the angle of inclination of striped and fringe period.Wherein, bar
The row that the line cycle can correspond to display content schemes the cycle.Boundary line between each first striped and the second striped is row's figure cycle
The position of central point.In order to realize bore hole 3D display, the first striped and the second striped need to respectively enter left eye and the right side of beholder
Eye, now, beholder's eyes midpoint coordinate is located at the central point of fringe period, the i.e. boundary line of the first striped and the second striped
On.Therefore, when human eye moves in space, by being translated accordingly to light splitting collection of illustrative plates, the first striped and the be may be such that
The boundary line of two stripeds is always positioned at the middle point coordinates of eyes, and then the light of the first striped and the second striped is entered respectively
Enter the left eye and right eye of beholder, while bore hole 3D effect is formed, avoid due to the movement of beholder's eyes and produce
Crosstalk phenomenon.
It should be noted that the premise handled in the application using preset optical distribution map be camera optical axis with
Display screen is close to vertically, and drift angle is within 5 degree.So setting is advantageous in that so that the striped of preset optical distribution uniformly divides
Cloth, so as to simplify calculating process.
Embodiment one
Fig. 1 a are a kind of flow signal for bore hole 3D display method based on tracing of human eye that the embodiment of the present invention one provides
Figure.The method of the present embodiment can be performed by bore hole 3D control systems, and wherein the control system can be real by software and/or hardware
It is existing, it can typically be integrated in the playing controller of display content.As shown in Figure 1a, this method may include steps of：
S110：Obtain point coordinates in the eyes for the beholder that camera photographs.
Wherein, camera is preferably the front camera that bore hole 3D playback equipments carry, or is fixedly mounted on aobvious
Show in equipment there is communication connection relation and towards the external camera of display screen viewing areas with display device.Exemplary,
Display device can be the small-sized display devices such as mobile phone, tablet personal computer or notebook computer, or large-size screen monitors colour TV or advertisement
The large-scale display device such as machine.Display device in the present embodiment is preferably the 3D display equipment for being laid with Grating Film, for being formed
Bore hole 3D display effect.Exemplary, Grating Film can be cylindrical lens grating film or slit grating film.
Exemplary, in point coordinates during beholder's eyes are obtained using camera, it can shoot and wrap first with camera
Image containing beholder's face.Facial image is may recognize that based on face recognition algorithms, and identifies eyes in facial image
The coordinate of pupil, and then the coordinate of eyes midpoint in the picture can be got.
S120：By comparing point coordinates and the preset reference coordinate demarcated in advance in eyes, the shifting of beholder's eyes is determined
Dynamic direction and the displacement for deviateing preset reference coordinate.
Wherein, preset reference coordinate is the reference point whether beholder's eyes position is moved.For ease of entering to human eye
Row is accurately tracked by, and preset reference coordinate is preferably arranged to the center of camera shooting picture by the present embodiment.Pass through ratio
Relation compared with point coordinates in eyes and preset reference coordinate can determine the moving direction of beholder's eyes, and deviate default base
The displacement of quasi coordinates.
Preferably, the image for including face photographed by periodically obtaining camera, it is possible to achieve in real time
Point coordinates in eyes is obtained, and then more accurately tracks the movement of human eye.
S130：According to moving direction and displacement, in combination with the start offset amount for the eyes demarcated in advance, to display
The display content of screen carries out translation processing.
Wherein, start offset amount is relevant with the installation site and setting angle of camera, when the installation site of camera is consolidated
After fixed, start offset amount is also determined therewith.Therefore, before translation processing is carried out to the display content of display screen, profit is needed
Start offset amount is demarcated with camera.
Before specific explanations are carried out to start offset amount, it should be noted that in the present embodiment, preferably by camera phase
For display screen pixel in a coordinate system as row's figure datum mark, will be laid by arranging figure datum mark parallel to Grating Film
The line segment in direction is as row's figure datum line.Wherein, any point on row's figure datum line is row's figure datum mark.Art technology
Personnel, can also be with display screen it is understood that the cloth set direction of Grating Film can be vertically to be laid with the base of display screen
Base certain angle of inclination be present and lay.
So setting is advantageous in that：When carrying out translation processing to display content, the display content at figure datum line is arranged
Do not change.When only changing the width in row's figure cycle (this process illustrates in example IV and five), figure benchmark is arranged
Light of the display content emitted by after Grating Film at line is static in spatial distribution.Due to the width in row's figure cycle
Excursion is smaller, therefore, can further ignore shadow of the change for width of fringe in optical profile figure of row's figure periodic width
Ring.
It should also be noted that, by by camera relative to display screen pixel in a coordinate system be used as row's figure base
On schedule, relative to traditional tracing of human eye and row's drawing method, the technical scheme that the present embodiment provides greatly simplifies row and schemes ginseng
Several calibration process and quantity.
It is determined that behind the position of row's figure datum mark, start offset amount is preferably：When eyes midpoint coordinate is located at preset reference
During coordinate, the axis deviation of camera optical axis schemes the distance of cycle central point to arrange figure datum mark as the row of starting point.
Exemplary, the width that each row schemes the cycle can be quantified as 0~1.The physical width in cycle is schemed for each row, can
According on the basis of the width of Grating Film, can specifically be represented by the number for the row pixel that Grating Film is covered.Fig. 1 b are
The row that the embodiment of the present invention one provides schemes cycle schematic diagram.As shown in Figure 1 b, the content order of several figures is arranged in 0th~1 area
Between width in, as one row figure the cycle.Wherein, the position that row schemes cycle central point is the position that row's figure periodic width is 0.5
Put.
Exemplary, it is arranged sequentially institute including at least two images, at least two width figures in each row's figure cycle
In the width in the row's of stating figure cycle, wherein, any two images at least two images respectively enter the left eye of beholder
And right eye, to form bore hole 3D effect.
Exemplary, start offset amount can be demarcated when using camera calibration preset optical distribution map.As described above
The content that realization principle is introduced, preset optical distribution map are true reflection of the display screen in two-dimensional space, therefore, display screen
A row scheme the cycle be preset optical distribution map a fringe period.For a fringe period, due to striped
Cycle is corresponding with row's figure cycle, if the width of fringe period is also quantified as into 0~1, the width of the first striped for 0~
0.5, the width of the second striped is 0.5~1.Wherein, the preferable state in the axle center of camera optical axis is positioned at the first striped and the
On the boundary line of two stripeds, i.e., width of fringe is 0.5 position.But for actual majority of case, when the position of camera
After putting determination, during preset optical distribution map is demarcated, the axle center of camera optical axis is not on boundary line, so needing elder generation
The distance of the axis deviation boundary line of camera optical axis is demarcated, that is, demarcates start offset amount.If for example, axle center of camera optical axis
When the horizontal range for deviateing boundary line is 0.2, then start offset amount is then 0.2.
When beholder's eyes position is moved, if display content does not change, with the movement of eyes, sheet
The light of left eye should be entered possibly into right eye, the light of right eye should be entered possibly into left eye, when user shows in viewing
During the display content of screen, crosstalk phenomenon easily occurs.The present embodiment, can be to the display of display screen by the movement of tracking pairs of eyes
For the corresponding translation processing of content progress to ensure that the left figure content that display screen is shown enters left eye, the right figure content of display enters the right side
Eye, forms good bore hole 3D effect.
It should be noted that the moving direction of beholder's eyes can be to the upper, lower, left, or right in any one direction.
It is distributed according to the light path of display screen display content, after by grating, the distribution of light is similar to pinhole imaging system, therefore, shows
The translation direction of the display content of display screen curtain need to be with the moving directions of eyes on the contrary, for example, when eyes move to the left side, display
Content need to move to the right and just may be such that the display content that eyes are seen does not change.
The embodiments of the invention provide a kind of bore hole 3D display method based on tracing of human eye, is shot by obtaining camera
To beholder eyes in point coordinates, and point coordinates in eyes is made comparisons with the preset reference coordinate demarcated in advance, can be with
Determine the moving direction of beholder's eyes and deviate the displacement of preset reference coordinate.Wherein, preset reference coordinate is to take the photograph
As the center of head shooting picture.By the moving direction and displacement according to beholder's eyes, in combination with advance mark
The start offset amount of fixed eyes, translation processing can be carried out to the display content of display screen.Wherein, start offset amount is to aobvious
Before the display content of display screen is handled, using the constant of camera calibration, specially when eyes midpoint coordinate is positioned at default
During reference coordinate, the axis deviation of camera optical axis schemes the distance of cycle central point to arrange figure datum mark as the row of starting point.It is logical
Cross and use above-mentioned technical proposal, the display content of display screen can be caused to follow the mobile of beholder's eyes to be moved accordingly
It is dynamic.Beholder is in the range of visual range, without deliberately finding viewing location or keeping viewing location, when the position of beholder is sent out
During raw change, because display content is also moved accordingly, right eye should be entered into the light of beholder's left eye by avoiding,
And the light that should enter beholder's right eye enters the crosstalk phenomenon caused by left eye so that beholder can easily experience ideal
Bore hole 3D effect.In addition, by by row's figure datum mark be arranged to camera relative to display screen picture in a coordinate system
Vegetarian refreshments, the technical scheme provided relative to prior art, the calibration process and quantity of the row's of greatly simplify graph parameter, is simplified
Calculate.Preset reference coordinate is used as by the center that camera is shot to photo, can be with and by demarcating start offset amount
So that tracing of human eye is more quick, accurate.
Embodiment two
Fig. 2 is a kind of flow signal for bore hole 3D display method based on tracing of human eye that the embodiment of the present invention two provides
Figure.The present embodiment two is on the basis of embodiment one, to step " by comparing point coordinates and the default base demarcated in advance in eyes
Quasi coordinates, judge the moving direction of beholder's eyes and deviate the displacement of preset reference coordinate " it is optimized, reference
Fig. 2, the embodiment of the present invention two specifically include：
S210：Obtain point coordinates in the eyes for the beholder that camera photographs.
S220：Determine the angle of inclination that Grating Film is laid relative to preset direction.
Wherein, preset direction can be the direction (x-axis direction) where display screen base, or hanging down where side
Nogata is to (y-axis direction).It is exemplary, for reach bore hole 3D effect Grating Film can with vertical runs display screen appearance
Face, also tiltable are laid in the outer surface of display screen.If vertical runs, the angle of inclination between display screen base is 90
Degree, laid if tilting, angle of inclination of the Grating Film relative to display screen base can be obtained during Grating Film is laid.
Exemplary, because the preset optical distribution map demarcated in advance can represent the light distribution of display content, therefore,
The first striped and the second striped in preset optical distribution map can represent Grating Film relative to the angle of inclination on display screen base
Angle of inclination.
S230：According to angle of inclination, calculate eyes midpoint in combination with point coordinates in eyes and preset reference coordinate and sit
It is marked on the horizontal range for deviateing preset reference coordinate.
Exemplary, if Grating Film is vertically laid with the base of display screen, if beholder's eyes move up and down, this
The light of left eye, which should be entered, can still enter left eye, should enter the light of right eye and can still enter right eye, i.e., beholder's eyes is upper
Lower movement has no effect on bore hole 3D display effect.If beholder's eyes move left and right, point coordinates in eyes can be calculated and deviateed
The horizontal range of preset reference coordinate, and according to the horizontal range calculated, display content is carried out and eyes opposite direction
Translation is handled, and avoids the generation of crosstalk phenomenon, while can also avoid due to viewing location mistake and caused dizziness phenomenon.
Preferably, if the base of Grating Film and display screen has certain angle of inclination, point coordinates in beholder's eyes
Relative to movement of the preset reference coordinate on any one upper, lower, left, or right direction, all can be exchanged into the horizontal direction
It is mobile, you can to solve and caused crosstalk to show because eyes are mobile by translating the display content of display screen in the horizontal direction
As.So setting is advantageous in that, will arrange the unified horizontal direction to setting in direction of figure, simplifies amount of calculation, realize naked
Eye 3D display effect.
S240：According to moving direction and displacement, in combination with the start offset amount for the eyes demarcated in advance, to display
The display content of screen carries out translation processing.
The present embodiment two is on the basis of above-described embodiment, by the movement that beholder's eyes are deviateed to preset reference coordinate
Distance is transformed into the displacement in horizontal direction, can carry out translation processing to display content in the horizontal direction, avoids due to seeing
The person's of seeing eyes are mobile and caused crosstalk phenomenon, realize bore hole 3D display effect, improve Consumer's Experience.
Embodiment three
Fig. 3 a are a kind of stream for bore hole 3D display method for being preferably based on tracing of human eye that the embodiment of the present invention three provides
Journey schematic diagram.The present embodiment three is on the basis of above-described embodiment, to " according to moving direction and displacement, in combination with pre-
The start offset amount for the eyes first demarcated, translation processing is carried out to the display content of display screen " refined, reference picture 3a,
The embodiment of the present invention three specifically includes：
S310：Obtain point coordinates in the eyes for the beholder that camera photographs.
S320：Determine the angle of inclination that Grating Film is laid relative to preset direction.
S330：According to angle of inclination, calculate eyes midpoint in combination with point coordinates in eyes and preset reference coordinate and sit
It is marked on the horizontal range for deviateing preset reference coordinate.
Exemplary, Fig. 3 b are a kind of schematic diagram for row's figure mode that the embodiment of the present invention three provides.As shown in Figure 3 b, light
Grid film is α relative to the angle of inclination of display screen side vertical direction (y-axis direction).C points are the center of screen, if will take the photograph
As the coordinate of pixel coordinate replacement C point of the head in display screen coordinate system, then can be achieved to be used as row's figure datum mark pair using camera
Display content carries out row's figure.
Specifically, for any pixel point A (x, y) in display screen, by calculating A to the distance AD and row of row's figure datum line
Relation between figure periodic width, it may be determined that the display content in row's figure cycle.Because preset optical distribution map is that display screen exists
Real embodiment in two-dimensional space, therefore, for the ease of calculating, display screen can be replaced with preset optical distribution map, calculates shooting
Head shooting eyes position displacement relative to preset optical distribution map displacement.
Specifically, the striped that Fig. 3 c are a kind of preset optical distribution map that the embodiment of the present invention three provides follows eyes center
The schematic diagram of position movement.As shown in Figure 3 c, Z is the axle center of camera optical axis, and C points are the eyes centre bit that camera photographs
Put, to realize bore hole 3D effect, such as the content that above-mentioned embodiment is introduced, C points need to pass through the first striped and the second striped
Boundary line, it can just ensure that the first striped and the second striped respectively enter left eye and right eye.Therefore, with the shifting of eyes point midway
It is dynamic, the amount of the moving horizontally offset of boundary line need to be calculated.
S340：Quotient between calculated level distance and the fringe period of preset optical distribution map, and quotient is taken into decimal
Part.
As the content that above-mentioned realization principle is introduced, preset optical distribution map are two-dimentional in display for the display content of display screen
True reflection in space.Preset optical distribution map is the light splitting collection of illustrative plates demarcated in advance, and preset optical distribution map is included between intersecting
Every the first striped and the second striped of arrangement.Wherein, the first striped or the second striped relative to display screen base inclination angle
Degree is the angle of inclination of Grating Film, and the total number sum of the every row pixel of each first striped and each second striped is bar
The line cycle.
Exemplary, if point coordinates in beholder's eyes to be deviateed to the displacement of preset reference coordinate, it is transformed into deviation
The horizontal range of preset reference coordinate, then it can pass through the display content of the content display screen of the row's of movement figure in the horizontal direction
Follow the change of the eyes position of beholder and corresponding movement occurs, avoid crosstalk and the generation of dizziness phenomenon, improve
Bore hole 3D display effect.If display content does not change, when eyes position changes, the light that should enter left eye can
Right eye can be entered, the light of right eye should be entered possibly into left eye, produce crosstalk phenomenon.When user is in viewing display screen
During display content, due to the bad generation for easily causing dizziness phenomenon of viewing location.
Exemplary, in order to calculate offset, it can first assume that the axle center Z points of camera optical axis are located at the first striped and second
On the boundary line of striped, and it is as a reference point with this axle center.As shown in Figure 3 c, as long as obtaining BC length and a red Blue Streak line water
Flat width, it is possible to calculate the offset values to be offset.By taking two images as an example, because the left figure in two width figures and right figure are suitable
Sequence is arranged in a fringe period, i.e. first fringe period first arranges left figure and arrange right figure again, and second fringe period is also according to upper
State the first row's left figure that puts in order and arrange right figure again, therefore, row's figure order all same in each fringe period of left figure and right figure.Institute
So that the amount of the moving horizontally offset that need to only calculate boundary line accounts for the percentage of whole fringe period, and specific formula is：
Offset=(BC/period) takes fractional part.
Wherein, period is a fringe period, and BC length can be calculated by the angle of inclination for the striped demarcated in advance
Obtain.
S350：The value of the fractional part calculated is added with start offset amount, obtained when front-seat figure content is relative to row
The translational movement of figure datum mark.
Assume that the axle center Z of camera optical axis is placed exactly in the boundary line of the first striped and the second striped in step S340
The offset of upper calculating.As shown in Figure 3 c, because Z points are not on boundary line, therefore the value of start offset amount need to be utilized to add
The offset of upper boundary line can obtain translational movement of the current row's figure content relative to row's figure datum mark.
S360：Translation processing is carried out to the display content of display screen according to translational movement.
The present embodiment has carried out further refinement to above-described embodiment, passes through the beholder's eyes for photographing camera
The position of middle point coordinates using the preset optical distribution map of the camera calibration with being compared, by beholder's eyes center phase
Movement for screen is converted into movement of the eyes centre coordinate relative to preset optical distribution map.Pass through calculating optical distribution map
Middle striped moves horizontally distance, may be such that the content that display screen is shown follows the movement of beholder's eyes to occur to put down accordingly
Move, and then ensure that the light that should enter left eye can still enter left eye, should enter the light of right eye can still enter right eye, real
Show bore hole 3D display effect, avoid the generation of crosstalk phenomenon.By using preset optical distribution map, calculating side is simplified
Formula, the degree of accuracy of the row's of improving figure.
Example IV
Fig. 4 a are the bore hole 3D display method that another that the embodiment of the present invention four provides is preferably based on tracing of human eye
Schematic flow sheet.Above-described embodiment is optimized the present embodiment, mainly for beholder to close to screen or away from screen
Direction movement when, row's figure mode of display content, reference picture 4a, the present embodiment are specifically included：
S410：Obtain the first eyes position of beholder in the image that the moment of camera first and the second moment photograph respectively
Put coordinate and the second eyes position coordinates.
S420：The mobile side of beholder is determined according to the relation of the first eyes position coordinates and the second eyes position coordinates
To.
It is exemplary, for current most of optical cameras, all it can shoot the big of image in picture by obtaining
The small distance for determining image distance camera, due to camera installation on a display screen, therefore it can determine that image distance display screen
Distance.In the present embodiment, by obtain the moment of camera first and image that the second moment photographed respectively in beholder
First eyes position coordinates and the second eyes position coordinates, by comparing the size of the first eyes coordinate and the second eyes coordinate,
The distance between eyes and screen are can determine that, and then can determine that the moving direction of beholder's eyes.
S430：According to moving direction, it is determined that the mode of adjustment display screen row's figure periodic width.
The relation between the moving direction of beholder's eyes and display screen row's figure periodic width is introduced first below：
Wherein, the moving direction of eyes can be to be moved forward from current location close to the direction of display screen, or
It is moved rearwards from direction of the current location away from display screen.Fig. 4 b are a kind of eyes moving direction that the embodiment of the present invention four provides
With the relation schematic diagram between row's figure periodic width.As shown in Figure 4 b, in the ideal case, when eyes are at A points, it is ensured that
The display content of O points is seen through adjacent pillars lens, row's figure periodic width should be line segment EF length；When eyes are located at B
When, in order to see the content shown by O points through two adjacent lens pillars, row's figure periodic width at this moment should be line segment
DF length.Obviously, row figure the cycle width it is relevant with viewing distance, by determine between beholder's eyes and display screen away from
From, you can it is determined that the width in row's figure cycle.
Exemplary, when moving direction is that then increase is shown to when being moved close to the direction of display screen based on current location
The width in screen row's figure cycle.For example, as shown in Figure 4 b, when point coordinates is moved to A points from B points in beholder's eyes, row's figure week
The EF that the width of phase increases from DF.
When moving direction is to be moved based on current location to the direction away from display screen, then reduce display screen row's figure cycle
Width.For example, as shown in Figure 4 b, when point coordinates is moved to B points from A points in beholder's eyes, the width in row's figure cycle from
The DF that EF reduces.
Specifically, Fig. 4 c are a kind of schematic diagram for row's figure period modulation mode that the embodiment of the present invention four provides.Fig. 4 c show
What is gone out is a kind of adjustment mode for increasing row's figure periodic width.As illustrated in fig. 4 c, when figure periodic width is arranged in adjustment, figure benchmark is arranged
On line AB position a little do not change, all there occurs corresponding skew for contents of other point displays.Therefore, as implemented
Content described by example one, if using the pixel coordinate of camera within display screen as row's figure datum mark, by arranging figure benchmark
Point, as during row's figure datum line, if the width that row schemes the cycle changes, is arranged parallel to the line segment of Grating Film cloth set direction
Display content at figure datum line light emitted after Grating Film be in spatial distribution it is static, the row's of improving figure
Accuracy.
Above-described embodiment is optimized the present embodiment, and the moving direction of beholder's eyes is tracked by camera, can
The width that the cycle is schemed to display screen row is adjusted correspondingly so that the display content of display screen follows beholder's eyes position
Change and change, avoid the generation of crosstalk phenomenon, improve the viewing experience of user.
Embodiment five
Fig. 5 a are that the embodiment of the present invention five provides another bore hole 3D display method for being preferably based on tracing of human eye
Schematic flow sheet.The present embodiment is refined to above-described embodiment, and reference picture 5a, the present embodiment specifically includes：
S510：The eyes image-forming range of beholder in the image that photographs is identified control camera, and obtains double
Eye image-forming range.
Exemplary, camera, can based on face recognition algorithms after the image for including beholder's face is photographed
Facial image is identified, and identifies the pupil of both eyes coordinate in facial image, and then determines the eyes imaging in facial image
Distance.
S520：According to eyes image-forming range, the width in row's figure cycle of adjustment display screen row's figure content.
It will be appreciated by persons skilled in the art that eyes image-forming range and eyes to screen in camera shooting face
Actual range inversely, i.e. the actual range of eyes to display screen is more remote, eyes imaging distance it is smaller.And eyes arrive
The width in actual range and display screen row's figure cycle of display screen also inversely, i.e. get over by the actual range of eyes to display screen
Far, row's figure cycle is smaller.Therefore, by two inverse relations it is compound after, can obtain in camera shooting image eyes imaging away from
From the width linear proportional relation with row's figure cycle.
Exemplary, Fig. 5 b are a kind of eyes image-forming range and the linear pass in row's figure cycle that the embodiment of the present invention five provides
It is schematic diagram.As shown in Figure 5 b, when the eyes image-forming range that camera photographs is bigger, row's figure cycle is wider.
Exemplary, the width y that adjustment row schemes the cycle can be calculated by predetermined linear calculation formula：
Y=kx+b；Wherein, x is beholder's eyes image-forming range, and y represents the width in row's figure cycle, and k and b are advance mark
Fixed constant coefficient.By above-mentioned linear relationship, when camera photographs the image for including beholder's eyes, from image
Identify beholder's eyes image-forming ranges can the direct row's of determination figure cycle width, avoid beholder apart from the position of screen with
The multiple conversion between the relation of figure periodic width is arranged, simplifies the number of calibrating parameters, improves tracking position of human eye with right
Arrange efficiency and accuracy that figure periodic width carries out respective handling.
It should be noted that above-mentioned linear proportional relation needs to demarcate k and b value.Generally, beholder's eyes are real
Border distance is 6.5 centimetres.The present embodiment, can be using 6.5 centimetres of eyes distance as calibrating parameters during specific implementation
Foundation, obtain k and b value.But, can with 6.5 divided by the actual range of beholder's eyes in order to adapt to the eyes of more beholders
Obtain a conversion coefficient.After the conversion coefficient is multiplied with the eyes image-forming range that camera recognizes, it can be applicable
In the eyes image-forming range of all beholders.
It is worth noting that, the tracking up and down and front and rear tracking of beholder's eyes can be carried out synchronously, also can be first laggard
OK.Preferably, moved when beholder exists in the horizontal direction parallel to display screen and the vertical direction perpendicular to display screen simultaneously
It is dynamic apart from when, the distance that watch point coordinates in eyes and deviate preset reference coordinate can be decomposed horizontal and vertical two sides
To the scheme then provided using above-described embodiment calculates the offset of display content in the horizontal direction, Yi Jixu respectively
The width in row's figure cycle of adjustment, to realize accurate tracking of the display content to beholder position, realizes that preferable bore hole 3D shows
Show, lift Consumer's Experience.
The present embodiment is refined on the basis of above-described embodiment, by determining beholder's eyes image-forming range and row
Linear relationship between figure periodic width, can be after the eyes position of beholder changes, the sight that is photographed according to camera
The eyes image-forming range for the person of seeing directly determines that display screen row schemes the width in cycle, the number of calibrating parameters during the row's of simplifying figure
Amount.The change of beholder's eyes position is followed, the row by adjusting display screen schemes the width in cycle so that into beholder's eyes
Light also accordingly change, avoid the phenomenon of crosstalk, improve the viewing experience of user.
Embodiment six
Fig. 6 is a kind of structured flowchart for bore hole 3D control systems based on tracing of human eye that the embodiment of the present invention six provides.
The control system can be realized by software and/or hardware, in the playing controller that general control screen content plays, for performing
The bore hole 3D display method based on tracing of human eye that above-mentioned any embodiment is provided.As shown in fig. 6, the control system includes：
Eyes midpoint coordinate obtaining module 610, displacement determining module 620 and display content translation module 630.
Wherein, eyes midpoint coordinate obtaining module 610, the eyes midpoint of the beholder photographed for obtaining camera are sat
Mark；Displacement determining module 620, for by point coordinates in the eyes and the preset reference coordinate in advance demarcated,
Determine the moving direction of beholder's eyes and deviate the displacement of the preset reference coordinate；Display content translates mould
Block 630, for according to the moving direction and the displacement, in combination with the start offset amount for the eyes demarcated in advance,
Translation processing is carried out to the display content of display screen；Wherein, the start offset amount is is located at institute when eyes midpoint coordinate
When stating preset reference coordinate, the axis deviation of the camera optical axis schemes cycle central point to arrange figure datum mark as the row of starting point
Distance；Wherein, the preset reference coordinate is the center that the camera shoots picture；With the camera relative to
The display screen pixel coordinate in a coordinate system be starting point, the line segment parallel to the Grating Film cloth set direction is row's figure base
Directrix, any point on row's figure datum line is row's figure datum mark.
The embodiments of the invention provide a kind of bore hole 3D control systems based on tracing of human eye, the technology of the embodiment of the present invention
In scheme, point coordinates in the eyes of the beholder photographed by obtaining camera, and by point coordinates in eyes with demarcating in advance
Preset reference coordinate make comparisons, it may be determined that the moving directions of beholder's eyes and deviate the movement of preset reference coordinate away from
From.Wherein, preset reference coordinate is the center that camera shoots picture.According to the moving direction of beholder's eyes and movement
Distance, in combination with the start offset amount for the eyes demarcated in advance, translation processing can be carried out to the display content of display screen.Its
In, start offset amount is before handling the display content of display screen, using the constant of camera calibration, is specially worked as
When eyes midpoint coordinate is located at preset reference coordinate, the axis deviation of camera optical axis is schemed using arranging figure datum mark as the row of starting point
The distance of cycle central point.By using above-mentioned technical proposal, the display content of display screen can be caused to follow beholder double
The mobile of eye is moved accordingly.Beholder is in the range of visual range, without deliberately finding viewing location or keeping viewing
Position.When the position of beholder changes, because display content is also moved accordingly, viewing should be entered by avoiding
The light of person's left eye enters right eye, and the light that should enter beholder's right eye enters the crosstalk phenomenon caused by left eye so that
Beholder can easily experience preferable bore hole 3D effect.In addition, by by row's figure datum mark be arranged to camera relative to
Display screen pixel in a coordinate system, the technical scheme provided relative to prior art, greatly simplify the mark of parameter
Determine process and quantity, simplify calculating.Preset reference coordinate is used as by the center that camera is shot to photo, and passed through
Start offset amount is demarcated, can make it that tracing of human eye is quicker, accurately.
On the basis of above-described embodiment, include at least two images, at least two width figures in each row's figure cycle
The row is arranged sequentially to scheme in the width in cycle, wherein, any two images at least two images respectively enter
The left eye and right eye of the beholder.
On the basis of above-described embodiment, the displacement determining module 620 is specifically used for：Determine the Grating Film phase
The angle of inclination laid for preset direction；According to the angle of inclination, in combination with point coordinates in the eyes and described
Preset reference coordinate calculates point coordinates in the eyes and is deviateing the horizontal range of the preset reference coordinate.
On the basis of above-described embodiment, the display content translation module 630 is specifically used for：Calculate the horizontal range
Quotient between the fringe period of preset optical distribution map, and the quotient is taken into fractional part；Wherein, the preset optical
Distribution map is the light splitting collection of illustrative plates demarcated in advance, and the preset optical distribution map includes the first striped and second of transpostion interval arrangement
The angle of inclination of striped, first striped or second striped is the angle of inclination of the Grating Film, and each described the
The total number sum of the every row pixel of one striped and each second striped is the fringe period；
The value of the fractional part calculated is added with the start offset amount, obtained when front-seat figure content is relative to described
Arrange the translational movement of figure datum mark；
Translation processing is carried out to the display content of display screen according to the translational movement.
On the basis of above-described embodiment, the control system also includes：Eyes position acquisition module, for obtaining camera
The first eyes position coordinates of beholder and the second eyes position are sat in the image that first moment and the second moment photograph respectively
Mark；Moving direction determining module, for the relation according to the first eyes position coordinates and the second eyes position coordinates
Determine the moving direction of the beholder；Width adjustment mode determining module, for according to the moving direction, it is determined that adjustment institute
State the mode of display screen row's figure periodic width.
On the basis of above-described embodiment, the width adjustment mode determining module is specifically used for：By first eyes
Current location of the coordinate position as beholder's eyes；
When the moving direction is then to increase institute to when being moved close to the direction of the display screen based on the current location
State the width that display screen row schemes the cycle；
When the moving direction is to be moved based on the current location to the direction away from the display screen, then reduce institute
State the width that display screen row schemes the cycle.
On the basis of above-described embodiment, the control system also includes：Eyes image-forming range acquisition module, for controlling
State camera the eyes image-forming range of beholder in the image that photographs is identified, and obtain the eyes image-forming range；
Figure periodic width adjusting module is arranged, for according to the eyes image-forming range, the row for adjusting the display screen row figure content to scheme week
The width of phase.
On the basis of above-described embodiment, row's figure periodic width adjusting module is specifically used for：Pass through predetermined linear meter
Calculate the width y that formula calculates adjustment row's figure cycle：
Y=kx+b；
Wherein, x is beholder's eyes image-forming range, and y represents the width in row's figure cycle, and k and b are the constant demarcated in advance
Coefficient.
On the basis of above-described embodiment, the Grating Film is cylindrical lens grating film or slit grating film.
Bore hole 3D control systems provided in an embodiment of the present invention based on tracing of human eye can perform any embodiment of the present invention
The bore hole 3D display method based on tracing of human eye provided, possesses the corresponding functional module of execution method and beneficial effect.Not
The ins and outs of detailed description in the above-described embodiments, reference can be made to any embodiment of the present invention provided based on tracing of human eye
Bore hole 3D display method.
Pay attention to, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (11)
- A kind of 1. bore hole 3D display method based on tracing of human eye, applied to the display screen for being provided with Grating Film, it is characterised in that Methods described includes：Obtain point coordinates in the eyes for the beholder that camera photographs；By point coordinates in the eyes and the preset reference coordinate demarcated in advance, the movement of beholder's eyes is determined Direction and the displacement for deviateing the preset reference coordinate；According to the moving direction and the displacement, in combination with the start offset amount for the eyes demarcated in advance, to display The display content of screen carries out translation processing；Wherein, the start offset amount is the camera when eyes midpoint coordinate is located at the preset reference coordinate The axis deviation of optical axis schemes the distance of cycle central point to arrange figure datum mark as the row of starting point；Wherein, the preset reference is sat It is designated as the center of the camera shooting picture；With the camera relative to the display screen picture in a coordinate system Plain coordinate is starting point, and the line segment parallel to the Grating Film cloth set direction is to arrange figure datum line, appointing on row's figure datum line Meaning is some row's figure datum mark.
- 2. according to the method for claim 1, it is characterised in that include at least two images, institute in each row's figure cycle At least two width figures are stated to be arranged sequentially in the width in row's figure cycle, wherein, any two width at least two images Image respectively enters the left eye and right eye of the beholder.
- 3. according to the method for claim 1, it is characterised in that described " by point coordinates in the eyes and in advance The preset reference coordinate of demarcation, determine the moving direction of beholder's eyes and deviate the movement of the preset reference coordinate Distance " includes：Determine the angle of inclination that the Grating Film is laid relative to preset direction；According to the angle of inclination, the eyes are calculated in combination with point coordinates in the eyes and the preset reference coordinate Middle point coordinates is deviateing the horizontal range of the preset reference coordinate.
- 4. according to the method for claim 3, it is characterised in that described " according to the moving direction and the displacement, In combination with the start offset amount for the eyes demarcated in advance, translation processing is carried out to the display content of display screen " include：The quotient between the horizontal range and the fringe period of preset optical distribution map is calculated, and the quotient is taken into fractional part Point；Wherein, the preset optical distribution map is the light splitting collection of illustrative plates demarcated in advance, and the preset optical distribution map includes transpostion interval The angle of inclination of the first striped and the second striped of arrangement, first striped or second striped is the Grating Film phase The every row pixel of the angle of inclination laid for preset direction, each first striped and each second striped it is total Number sum is the fringe period；The value of the fractional part calculated is added with the start offset amount, obtained when front-seat figure content is schemed relative to the row The translational movement of datum mark；Translation processing is carried out to the display content of display screen according to the translational movement.
- 5. according to the method for claim 1, it is characterised in that the bore hole 3D display method also includes：Obtain in the image that the moment of camera first and the second moment photograph respectively the first eyes position coordinates of beholder and Second eyes position coordinates；The movement of the beholder is determined according to the relation of the first eyes position coordinates and the second eyes position coordinates Direction；According to the moving direction, it is determined that adjusting the mode of the display screen row figure periodic width.
- 6. according to the method for claim 5, it is characterised in that described " according to the moving direction, it is determined that adjustment is described aobvious Display screen arranges the mode of figure periodic width " include：Current location using the first eyes coordinate position as beholder's eyes；When the moving direction is then to be increased described aobvious to when being moved close to the direction of the display screen based on the current location The width in display screen row's figure cycle；When the moving direction is to be moved based on the current location to the direction away from the display screen, then reduce described aobvious The width in display screen row's figure cycle.
- 7. according to the method for claim 5, it is characterised in that the bore hole 3D display method also includes：Control the camera that the eyes image-forming range of beholder in the image that photographs is identified, and obtain the eyes Image-forming range；According to the eyes image-forming range, the row for adjusting the display screen row figure content schemes the width in cycle.
- 8. according to the method for claim 7, it is characterised in that described " according to the eyes image-forming range, to adjust described aobvious The width in row's figure cycle of display screen row's figure content " includes：The width y in adjustment row's figure cycle is calculated by predetermined linear calculation formula：Y=kx+b；Wherein, x is beholder's eyes image-forming range, and y represents the width in row's figure cycle, and k and b are the constant system demarcated in advance Number.
- 9. according to the method for claim 1, it is characterised in that：The Grating Film is cylindrical lens grating film or slit grating film.
- 10. a kind of bore hole 3D control systems based on tracing of human eye, it is characterised in that the control system includes：Eyes midpoint coordinate obtaining module, point coordinates in the eyes of the beholder photographed for obtaining camera；Displacement determining module, for by point coordinates in the eyes and the preset reference coordinate in advance demarcated, really The moving direction of fixed beholder's eyes and the displacement for deviateing the preset reference coordinate；Display content translation module, it is double in combination with what is demarcated in advance for according to the moving direction and the displacement The start offset amount of eye, translation processing is carried out to the display content of display screen；Wherein, the start offset amount is the camera when eyes midpoint coordinate is located at the preset reference coordinate The axis deviation of optical axis schemes the distance of cycle central point to arrange figure datum mark as the row of starting point；Wherein, the preset reference is sat It is designated as the center of the camera shooting picture；With the camera relative to the display screen picture in a coordinate system Plain coordinate is starting point, and the line segment parallel to Grating Film cloth set direction is to arrange figure datum line, any one on row's figure datum line Point is row's figure datum mark.
- 11. control system according to claim 10, it is characterised in that also include：Eyes image-forming range acquisition module, for control eyes imaging of the camera to beholder in the image that photographs away from From being identified, and obtain the eyes image-forming range；Figure periodic width adjusting module is arranged, for according to the eyes image-forming range, adjusting the row of the display screen row figure content Scheme the width in cycle.
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