CN108881893A - Naked eye 3D display method, apparatus, equipment and medium based on tracing of human eye - Google Patents
Naked eye 3D display method, apparatus, equipment and medium based on tracing of human eye Download PDFInfo
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- CN108881893A CN108881893A CN201810813867.7A CN201810813867A CN108881893A CN 108881893 A CN108881893 A CN 108881893A CN 201810813867 A CN201810813867 A CN 201810813867A CN 108881893 A CN108881893 A CN 108881893A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/204—Image signal generators using stereoscopic image cameras
- H04N13/246—Calibration of cameras
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/366—Image reproducers using viewer tracking
- H04N13/383—Image reproducers using viewer tracking for tracking with gaze detection, i.e. detecting the lines of sight of the viewer's eyes
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- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The embodiment of the invention discloses a kind of naked eye 3D display method, apparatus, equipment and medium based on tracing of human eye.This method includes：According to the geometrical relationship of the first camera, second camera and viewer's eyes that are arranged on display screen, the current distance of viewer's eye distance display screen is determined；Mapping relations between distance based on preset viewer's eye distance display screen and the width in row's figure period determine that the corresponding target row of the current distance schemes the width in period；Row's figure content is adjusted and is shown according to the width that the target row schemes the period.By using above-mentioned technical proposal, the calculation method of existing row's figure periodic width, and the accuracy that the row's of improving figure periodic width determines are simplified.Carry out the row's of adjustment figure content in real time by using the width that the row schemes the period, is able to use family and experiences better naked eye 3D effect.
Description
Technical field
The present embodiments relate to 3D display technical field more particularly to a kind of naked eye 3D display sides based on tracing of human eye
Method, device, equipment and medium.
Background technique
Naked eye 3D display technology refers to that, without wearing dedicated 3D glasses, onlooker can be directly with the ornamental three-dimensional shadow of naked eyes
A kind of 3D display technology of 3D effect is presented in picture.Naked eye 3D display technology includes column mirror grating, slit grating, liquid crystal lens etc.,
Most widely used at present is column mirror grating 3D display technology.The principle of column mirror grating 3D display technology is by convention display
Before attach one layer of special cylindrical lenses to realize.The pixel of image below each cylindrical lenses is divided into several height
Pixel, such lens can project each sub-pixel in different directions.When user is when watching 3D display content, left eye and the right side
The light that different subpixel is issued is respectively seen in eye, so that the left eye of people and right eye is seen different pictures, and melt in the brain
Synthesize the picture of 3D effect.
But since pixel content is separately projected right and left eyes by each cylindrical lenses, in no carry out human eye
In the case where tracking, fixed light distribution needs user to find suitable viewing location all around, can just see ideal
Stereoscopic effect.When viewing location is improper, into left eye light possibly into right eye, left figure both can be seen in right eye at this time
Again it can be seen that right figure, is easy to produce crosstalk (crosstalk), user experience is poor.Therefore, it needs in real time to chase after position of human eye
Track, and display content is adjusted according to collected position of human eye.
Wherein, human eye tracking includes that front and back is tracked and tracked up and down.Currently, being needed when being tracked before and after realizing human eye
Using be arranged on screen camera shooting include viewer's eyes image, then according to eyes in camera taken by
Image in image-forming range and practical row's figure periodic width relationship come the row of calculating scheme the period width.And the mark of above-mentioned relation
Surely be the fixation based on viewer interpupillary distance premised on, the interpupillary distance of the fixation is generally 6.5 centimetres.But actual conditions are, each
The interpupillary distance of people is not all accurately 6.5 centimetres, and there are individual differences, thus in the prior art according to eyes in the picture at
Image distance is inaccurate from the width that calculated row schemes the period.
Summary of the invention
The embodiment of the present invention provides a kind of naked eye 3D display method, apparatus, equipment and medium based on tracing of human eye, with reality
The back-and-forth motion of user is now tracked, and the row of display content is precisely adjusted in the figure period.
In a first aspect, the embodiment of the invention provides the naked eye 3D display method based on tracing of human eye, this method includes：
According to the geometrical relationship of the first camera, second camera and viewer's eyes that are arranged on display screen, determines and see
The current distance of the person's of seeing eye distance display screen；
Mapping between distance based on preset viewer's eye distance display screen and the width in row's figure period is closed
System determines that the corresponding target row of the current distance schemes the width in period；
Row's figure content is adjusted and is shown according to the width that the target row schemes the period.
Second aspect, the embodiment of the invention also provides the bore hole 3D display device based on tracing of human eye, which includes：
Current distance determining module, for according to the first camera, second camera and the viewer being arranged on display screen
The geometrical relationship of eyes determines the current distance of viewer's eye distance display screen；
Arrange figure periodic width determining module, for based on preset viewer's eye distance display screen distance and row
Scheme the mapping relations between the width in period, determines that the corresponding target row of the current distance schemes the width in period；
It arranges figure content and adjusts module, the width for scheming the period according to the target row is adjusted and shows to row's figure content
Show.
The third aspect, the embodiment of the invention also provides a kind of equipment, which includes：
One or more processors；
Storage device, for storing one or more programs,
When one or more of programs are executed by one or more of processors, so that one or more of processing
Device realizes the naked eye 3D display method provided by any embodiment of the invention based on tracing of human eye.
Fourth aspect, the embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer
Program, the program realize the naked eye 3D display provided by any embodiment of the invention based on tracing of human eye when being executed by processor
Method.
The embodiment of the present invention, can by the geometrical relationship using two cameras and viewer's eyes being arranged on display screen
Determine the current distance of viewer's eye distance display screen.It then can be according to preset viewer's eye distance display screen
Mapping relations between distance and row's figure periodic width determine that the corresponding target row of current distance schemes the width in period, and can press
Row's figure content is adjusted and is shown according to the width.By using above-mentioned technical proposal, realize according to viewer's eyes with
The actual range of display screen come adjust target row scheme the period width.And since the technical solution of the embodiment of the present invention only focuses on
Actual range of the human eye apart from display screen, there is no need to according to the prior art provide space coordinates convert by way of come
Human eye three-dimensional coordinate in space is calculated, actual range is directly calculated according to the geometrical relationship of two cameras and human eye,
Greatly simplifie the calculating process of the actual range.In addition, the reality provided in an embodiment of the present invention according to human eye apart from screen
Border distance directly determines the mode of row's figure periodic width, and the eyes according to people provided compared with the existing technology are imaged in the picture
Distance calculates the mode of row's figure periodic width, and the technical solution of the embodiment of the present invention is without the image-forming range with eyes in the picture
Human eye is simulated apart from display screen actual range, so, the technical solution of the embodiment of the present invention is applicable to the use of any interpupillary distance
Family, there is no the limitation of individual difference, the computational accuracies of the row's of improving figure periodic width.Week is schemed by using calculated row
Phase width carrys out the row's of adjustment figure content in real time, and better naked eye 3D effect is experienced at usable family.
Detailed description of the invention
Fig. 1 a is the schematic diagram that a kind of row schemes the period；
Fig. 1 b is the relation schematic diagram that eyes are moved forward and backward and arrange figure periodic width；
Fig. 2 is a kind of flow chart for naked eye 3D display method based on tracing of human eye that the embodiment of the present invention one provides；
The geometry of the first camera of one kind, second camera and viewer's eyes that Fig. 3 a provides for the embodiment of the present invention one
Relation schematic diagram；
Fig. 3 b is a kind of schematic diagram for row's figure period modulation mode that the embodiment of the present invention one provides；
Fig. 4 is a kind of flow chart of the naked eye 3D display method based on tracing of human eye provided by Embodiment 2 of the present invention；
Fig. 5 a is the positional diagram of camera provided by Embodiment 2 of the present invention and viewer's eyes；
Fig. 5 b is the geometrical relationship figure that a kind of human eye provided by Embodiment 2 of the present invention watches display screen；
Fig. 5 c is that the parameter of a kind of pair of inverse proportion function provided by Embodiment 2 of the present invention carries out calibration schematic diagram；
Fig. 5 d is that the parameter of a kind of pair of inverse proportion function provided by Embodiment 2 of the present invention carries out calibration schematic diagram；
Fig. 6 is a kind of structural block diagram for bore hole 3D display device based on tracing of human eye that the embodiment of the present invention three provides；
Fig. 7 is a kind of structural schematic diagram for equipment that the embodiment of the present invention four provides.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
For clear, clear description various embodiments of the present invention, realization principle of the invention is simply introduced first.
During realizing naked eye 3D display, in order to let user experiencing ideal naked eye 3D display effect, this
The technical solution of inventive embodiments uses human eye tracer technique, that is, the shift position of viewer's eyes is followed to adjust in display
Row's graph parameter of appearance.Wherein, row's graph parameter includes the width pitch that row schemes the period, and the width that each row schemes the period can be quantified as 0
~1.Period actual physical width is schemed for each row, can specifically pass through Grating Film institute on the basis of the width of Grating Film
The number of the row pixel of covering indicates.Fig. 1 a is the schematic diagram that a kind of row schemes the period.As shown in Figure 1a, by the content of several figures
It is arranged sequentially in the width in 0~1 section, schemes the period as a row.Each row schemes to include at least two images in the period,
Any two images at least two images are respectively enterd with the left eye and right eye of viewer, to form naked eye 3D effect.
In addition, human eye involved by the technical solution of the embodiment of the present invention track, primarily directed in viewer to
Position of human eye tracking when the direction close to display screen or the mobile direction far from display screen.By establishing viewer's eyes and showing
Mapping relations between the distance and row's figure periodic width of display screen, can be according to the viewer's eyes and display screen got in real time
Actual range, thus can the row of obtaining figure the period width.Fig. 1 b is the relationship signal that eyes are moved forward and backward and arrange figure periodic width
Figure.As shown in Figure 1 b, in the ideal case, when eyes are at A point, it is ensured that see the display of O point through adjacent cylindrical lens
Content, row's figure periodic width should be the length of line segment EF；When eyes are located at B, in order to saturating through two adjacent columns
Mirror sees content shown by O point, and row's figure periodic width at this moment should be the length of line segment DF.Obviously, the width in row's figure period
Degree is related with viewing distance, and when viewer's eyes midpoint coordinates is moved to A point from B point, the width in row's figure period should increase from DF
Big EF；When viewer's eyes midpoint coordinates is moved to B point from A point, the width in row's figure period should be from the DF of EF reduction.Cause
This, the embodiment of the present invention constructs the inversely prroportional relationship between viewer's eyes and display screen, by obtaining viewer's eye in real time
Current distance of the eyeball apart from display screen, the row of can be obtained scheme the width in period, and the width in period then can be schemed according to obtained row
Display content is adjusted, the display effect of naked eye 3D is promoted.
Embodiment one
Fig. 2 is a kind of flow chart for naked eye 3D display method based on tracing of human eye that the embodiment of the present invention one provides, should
Method can be by being executed based on the bore hole 3D display device of tracing of human eye, which can pass through the side of software and/or hardware
Formula realizes that the device can integrate in the control equipment for playing display content.Referring to fig. 2, the method for the present embodiment is specifically wrapped
It includes：
S110, according to the geometrical relationship of the first camera, second camera and viewer's eyes that are arranged on display screen, really
Determine the current distance of viewer's eye distance display screen.
Wherein, the first camera and second camera can be preferably the included camera module of display screen, can also be solid
Dingan County fills on a display screen, there is the external camera communicated to connect and towards display screen viewing areas with control equipment.
Display screen in the present embodiment can be the display of the small-sized display devices such as mobile phone, tablet computer or laptop
Screen, or the display screen of the large-scale display equipment such as large-size screen monitors colour TV or advertisement machine.In order to form the display effect of naked eye 3D, this
Grating Film is laid on display screen in embodiment.The Grating Film can be cylindrical lens grating film or slit grating film.Grating Film
Cloth set direction can be vertically to lay with the bottom edge of display screen, can also there are certain tilt angle cloth with the bottom edge of display screen
If.
It should be noted that the camera in the embodiment of the present invention is vertical with display screen.At this point, the light of two cameras
Axis is parallel.If needing first to demarcate the angle between camera there are angle between the optical axis of two cameras, to protect
Demonstrate,prove the plumbness of camera and display screen.
Viewer's eye position in the present embodiment is preferably the center of viewer's eyes, or viewer's
Left eye or right eye.The geometrical relationship of the first camera, second camera and viewer's eyes can be in space in this implementation
The triangle established.The current distance of viewer's eye distance display screen is the height of triangle.It is understood that triangle
High calculation there are many, for example, can by determine two while length and angle calcu-lation triangle at this two,
High value.
Preferably, this implementation is calculated using according to the angle at two angles and the length of a line, and according to cosine law example
The height of triangle.Fig. 3 a is the first camera of one kind, second camera and the viewer's eyes that the embodiment of the present invention one provides
Geometrical relationship schematic diagram.As shown in Figure 3a, F is the center of viewer's eyes.Wherein, the first camera 10 and the second camera shooting
First the distance between 20 be known constant, deviates the first camera institute in the horizontal direction first by calculating viewer's eyes
Angle ∠ A, and deviate second camera second angle ∠ B in the horizontal direction size, can be according to cosine law meter
Calculate the high AC of triangle, the i.e. current distance of viewer's eye distance display screen.
S120, the distance based on preset viewer's eye distance display screen and row scheme reflecting between the width in period
Relationship is penetrated, determines that the corresponding target row of current distance schemes the width in period.
Illustratively, in the present embodiment, mapping relations are preferably inversely prroportional relationship, i.e. viewer's eye distance display screen
Current distance is bigger, and the width in target row's figure period is smaller；The current distance of viewer's eye distance display screen is smaller, target row
The width for scheming the period is bigger.Based on such inversely prroportional relationship, directly it can determine that corresponding target row schemes week according to current distance
The width of phase, the width so as to scheme the period according to target row are adjusted row's figure content.
S130, row's figure content is adjusted and is shown according to the width that target row schemes the period.
Wherein, when the width for scheming the period according to target row is adjusted row's figure content, figure reference line place can be arranged
Position be initial position, i.e., the viewpoint position on row's figure reference line does not change so that other viewpoint positions shift,
For example, sub-pixel number corresponding to each viewpoint can be increased by moving view point position, exist so that each row schemes the period
The number of sub-pixel corresponding to the horizontal direction of screen increases, even if the width in row's figure period increases.
Wherein, using any one camera in the present embodiment as benchmark camera, phase norm force machine coordinate where display screen
Pixel coordinate in system can be used as row's figure basic point of software row's figure, will be parallel to Grating Film cloth set direction by row's figure basic point
Line segment is as row's figure reference line.
Illustratively, Fig. 3 b is a kind of schematic diagram for row's figure period modulation mode that the embodiment of the present invention one provides.Fig. 3 b
Show a kind of adjustment mode for increasing row's figure periodic width.As shown in Figure 3b, when figure periodic width is arranged in adjustment, figure base is arranged
The initial position for the viewpoint that all-pair on directrix AB should arrange figure content does not change, and the viewpoint initial position of other points is all
Corresponding offset has occurred.By above-mentioned setting, shown image follows the movement of viewer to have occurred accordingly on the screen
Adjustment, avoid the generation of crosstalk phenomenon, improve the viewing experience of user.
The technical solution of the present embodiment can be according to this by determining the currently practical distance of viewer's eye distance screen
Actual range come adjust target row scheme the period width.And the actual range is using two cameras on display screen and to see
What the relative position of the person's of seeing eyes obtained.Image-forming range calculates the eyes according to people provided compared with the existing technology in the picture
Arrange the technical solution of figure periodic width, the technical solution of the present embodiment is not necessarily to eyes image-forming range in the picture come simulated eye
Actual range between eyeball and display screen, therefore, the program are suitable for the user of any interpupillary distance, and there is no the limitations of individual difference
Property.In addition, the technical solution of the present embodiment is important to notice that the current distance of viewer's eye distance display screen, in order to rear
Continuous human eye in the front-back direction is tracked.There is no need to carry out the conversion of space coordinates to determine the three-dimensional seat of human eye in space
Mark, greatly simplifies the calculation method of existing row's figure periodic width, and the width accuracy in institute's calculated row's figure period
It is higher.Carry out the row's of adjustment figure content in real time by using the row's figure periodic width being calculated, viewer can be made to experience preferably
Naked eye 3D effect.
Embodiment two
Fig. 4 is a kind of flow chart of the naked eye 3D display method based on tracing of human eye provided by Embodiment 2 of the present invention, this
Embodiment is optimized on the basis of the above embodiments, wherein the explanation of same as the previously described embodiments or corresponding term exists
This is repeated no more.Referring to fig. 4, method provided in this embodiment includes：
S210, the imager coordinate according to viewer's eyes in the first camera and second camera determine viewer's eye
The first level distance of eyeball distance the first camera optical axis, and the second horizontal distance apart from second camera optical axis.
It is wherein, different with the position of second camera due to the first camera, the first camera and second camera
In captured image, the position of viewer's eyes is also inevitable different.Under normal circumstances, camera optical axis position is camera institute
The midpoint for shooting image therefore, can by imager coordinate of viewer's eyes in the first camera and second camera
Determine the first level distance of viewer's eye distance the first camera optical axis, and the second water apart from second camera optical axis
Flat distance.
Illustratively, Fig. 5 a is the positional relationship signal of camera provided by Embodiment 2 of the present invention and viewer's eyes
Figure.Camera shown in Fig. 5 a can be the first camera, or second camera.As shown in Figure 5 a, C, D two o'clock point
The left and right boundary point that Wei be imaged, F are the imager coordinate of viewer's eyes in the picture.E is in image captured by camera
Point.By identifying captured image, the first level distance of available F distance E.According to identical calculation, for
Another camera on screen, the second horizontal distance of available F distance E.
S220, according to first level distance, the field angle of the first camera and captured image resolution ratio, calculate viewing
Person's eyes deviate the third angle of the first camera optical axis.
Illustratively, as shown in Figure 5 a, the field angle of camera is ∠ CAD, is preferably 60 ° in the present embodiment.Camera
The resolution ratio of captured image can be configured in advance according to actual needs, such as can be set to 640*480.
Specifically, as shown in Figure 5 a, in the case where determining the resolution ratio of image captured by camera, it may be determined that the length of CE
Degree is the half of image length direction number of pixels.For example, if length direction number of pixels is the length of 640, CE
Degree is 320.In addition, in the case where camera field angle determines, it may be determined that the size of ∠ CAE, i.e. the two of field angle/
One.For example, ∠ CAE is 30 ° if field angle is specially 60 °.
According to the length of CE, the size of ∠ CAE can calculate the length of AE.After AE length determines, according to EF away from
From the tangent value of ∠ EAF, i.e. tan (∠ EAF)=EF/AE then can be obtained.To which the size of ∠ EAF, i.e. arctan can be obtained
(EF/AE) namely third angle.
S230, according to second horizontal distance, the resolution ratio of the field angle of second camera and captured image, calculate
The fourth angle of viewer's eyes deviation second camera optical axis.
Illustratively, the calculation of fourth angle is identical as the calculation of third angle in above-mentioned steps S220, tool
Body can refer to the Computing Principle of third angle, and details are not described herein again.
It should be noted that S220 and S230 can be executed successively there is no successive point of execution sequence, it can also be same
Shi Jinhang, the present embodiment are not especially limited this.
S240, according to third angle, calculate viewer's eyes and deviate the first camera institute first angle in the horizontal direction,
And according to fourth angle, calculates viewer's eyes and deviate second camera institute second angle in the horizontal direction.
As shown in Figure 5 a, after obtaining third angle, it is in the horizontal direction that viewer's eyes deviate the first camera institute
First angle is (90o- ∠ EAF).As shown in Fig. 3 a and Fig. 5 a, first angle is ∠ A.It can similarly obtain, second angle is
For the ∠ B in (90 °-fourth angle) namely Fig. 3 a.
S250, according to the spacing of first angle, second angle and the first camera and second camera, calculate viewer
The current distance of eye distance display screen.
It illustratively, as shown in Figure 3a, can be according to triangle cosine after the distance between ∠ A, ∠ B and AB all determines
Theorem calculates the distance of FC, the i.e. current distance of viewer's eye distance display screen.
Inverse ratio between S260, the distance based on preset viewer's eye distance display screen and the width in row's figure period
Example relationship determines that the corresponding target row of current distance schemes the width in period.
Wherein, in the present embodiment inversely prroportional relationship derivation, can refer to Figure 5b shows that geometrical relationship figure.Wherein, Fig. 5 b
For a kind of geometrical relationship figure of human eye viewing display screen provided by Embodiment 2 of the present invention.As shown in Figure 5 b, d is constant, is indicated
The coating thickness of horizontal cylindrical mirror, z are the current distance of viewer's eye distance display screen, and p0 is constant, indicate display screen surface
The width for the horizontal cylindrical mirror laid, pitch are the width in row's figure period, each row scheme the period 8 viewpoints can be carried out according to
Secondary arrangement.By similar to triangle GEF according to triangle GAB, the inversely prroportional relationship of pitch and z can be derived.
Specifically, can determine that the corresponding target row of current distance schemes the width in period according to the following formula：
Pitch=p0+p0 × (d ÷ z)；
Wherein, pitch is the width in row's figure period；P0 is constant, indicates the width for the horizontal cylindrical mirror that display screen surface is laid
Degree；D is constant, indicates the coating thickness of horizontal cylindrical mirror；Z is the current distance of viewer's eye distance display screen.
It should be noted that since parameter p0 and d are unable to measure, in order to determine parameter p0 and d, need to measure respectively
The spatially z and pitch of two o'clock.
Specifically, the parameter that Fig. 5 c and 5d are a kind of pair of inverse proportion function provided by Embodiment 2 of the present invention carries out calibration and shows
It is intended to.As shown in 5c, external pickup camera can be utilized respectively and obtain pitch1 value at pitch0 and B point at A point.Wherein, A,
B can be configured according to actual needs at a distance from display screen, for example, can be set to B point to display screen and distance for 60 lis
Rice, the distance of A point to display screen are 100 centimetres.
Optionally, the concrete mode of acquisition pitch0 or pitch1 can be：Base platoon schemes the period when being dispatched from the factory with display screen
Width based on, by constantly regulate the display image of display screen, the image shown by the display screen reaches target image
When, it determines that row corresponding to the target image schemes the width pitch in period, sets external camera for measured pitch
Target pitch in current location.
In Fig. 5 d, the blank of one stain of band is successively placed in A, B location, is then recycled in the present embodiment based on double
The tracing of human eye program of camera can calculate separately out distance of the stain coordinate B and A apart from display screen to get corresponding z0 is arrived
And z1.Finally obtained pitch0, z0, pitch1 and z1 are substituted into respectively in formula y=a+b/x, constant a and b can be obtained, i.e.,
For the p0 and d in above-mentioned inverse proportion function.Inverse proportion function determine after, can according to the function realize position of human eye front and back with
Track.
S270, row's figure content is adjusted and is shown according to the width that target row schemes the period.
The present embodiment on the basis of the above embodiments, passes through the triangle in building space between camera and position of human eye
Shape relationship defines viewer's eyes and deviates the first camera institute first angle in the horizontal direction, and deviates second and take the photograph
As head second angle in the horizontal direction, and according to first angle, second angle and the first camera and second camera
Distance computation go out the current distance of viewer's eye distance display screen.Relative to using space coordinates conversion by the way of, this
For the technical side of embodiment by the calculation for simplifying current distance, operating method is simple, practical, and be calculated
The width in row's figure period is more accurate, provides a great convenience for the Scout service before and after viewer.
Embodiment three
Fig. 6 is a kind of structural block diagram for bore hole 3D display device based on tracing of human eye that the embodiment of the present invention three provides,
The device includes：Current distance determining module 310, row's figure periodic width determining module 320 and row's figure content adjust module 330.
Wherein,
Current distance determining module 310, for according to the first camera, second camera and the viewing being arranged on display screen
The geometrical relationship of person's eyes determines the current distance of viewer's eye distance display screen；
Figure periodic width determining module 320 is arranged, for the distance based on preset viewer's eye distance display screen
Mapping relations between the width in row's figure period determine that the corresponding target row of the current distance schemes the width in period；
It arranges figure content and adjusts module 330, the width for scheming the period according to the target row is adjusted row's figure content
And it shows.
The technical solution of the present embodiment can be according to this by determining the currently practical distance of viewer's eye distance screen
Actual range come adjust target row scheme the period width.And the actual range is using two cameras on display screen and to see
What the relative position of the person's of seeing eyes obtained.Image-forming range calculates the eyes according to people provided compared with the existing technology in the picture
Arrange the technical solution of figure periodic width, the technical solution of the present embodiment is not necessarily to eyes image-forming range in the picture come simulated eye
Actual range between eyeball and display screen, therefore, the program are suitable for the user of any interpupillary distance, and there is no the limitations of individual difference
Property.In addition, the technical solution of the present embodiment is important to notice that the current distance of viewer's eye distance display screen, in order to rear
Continuous human eye in the front-back direction is tracked.There is no need to carry out the conversion of space coordinates to determine the three-dimensional seat of human eye in space
Mark, greatly simplifies the calculation method of existing row's figure periodic width, and the width accuracy in institute's calculated row's figure period
It is higher.Carry out the row's of adjustment figure content in real time by using the row's figure periodic width being calculated, viewer can be made to experience preferably
Naked eye 3D effect.
On the basis of the above embodiments, the current distance determining module 310, including：
Angle calculation unit deviates the first camera institute first angle in the horizontal direction for calculating viewer's eyes,
And deviate second camera institute second angle in the horizontal direction；
Current distance computing unit, for according to first angle, second angle and the first camera and second camera
Distance computation viewer's eye distance display screen current distance.
On the basis of the above embodiments, the angle calculation unit is specifically used for：
According to imager coordinate of viewer's eyes in the first camera and second camera, viewer's eye distance is determined
The first level distance of first camera optical axis, and the second horizontal distance apart from second camera optical axis；
According to the first level distance, the resolution ratio of the field angle of the first camera and captured image, viewing is calculated
Person's eyes deviate the third angle of the first camera optical axis；
According to second horizontal distance, the resolution ratio of the field angle of second camera and captured image, viewing is calculated
The fourth angle of person's eyes deviation second camera optical axis；
According to the third angle, calculates viewer's eyes and deviates the first camera institute first angle in the horizontal direction,
And according to the fourth angle, calculates viewer's eyes and deviate second camera institute second angle in the horizontal direction.
On the basis of the above embodiments, the mapping relations are inversely prroportional relationship.
On the basis of the above embodiments, row's figure periodic width determining module 320, is specifically used for：
According to the following formula, determine that the corresponding target row of the current distance schemes the width in period：
Pitch=p0+p0 × (d ÷ z)；
Wherein, pitch is the width in row's figure period；P0 is constant, indicates the width for the horizontal cylindrical mirror that display screen surface is laid
Degree；D is constant, indicates the coating thickness of horizontal cylindrical mirror；Z is the current distance of viewer's eye distance display screen.
The executable present invention of bore hole 3D display device based on tracing of human eye provided by the embodiment of the present invention is any to be implemented
Naked eye 3D display method based on tracing of human eye provided by example, has the corresponding functional module of execution method and beneficial effect.
The not technical detail of detailed description in the above-described embodiments, reference can be made to provided by any embodiment of the invention be based on tracing of human eye
Naked eye 3D display method.
Example IV
Fig. 7 is a kind of structural schematic diagram for equipment that the embodiment of the present invention four provides.Fig. 7, which is shown, to be suitable for being used to realizing this
The block diagram of the example devices 12 of invention embodiment.The equipment 12 that Fig. 7 is shown is only an example, should not be to of the invention real
The function and use scope for applying example bring any restrictions.
As shown in fig. 7, equipment 12 is showed in the form of universal computing device.The component of equipment 12 may include but unlimited
In：One or more processor or processing unit 16, system storage 28, connecting different system components, (including system is deposited
Reservoir 28 and processing unit 16) bus 18.
Bus 18 indicates one of a few class bus structures or a variety of, including memory bus or Memory Controller,
Peripheral bus, graphics acceleration port, processor or the local bus using any bus structures in a variety of bus structures.It lifts
For example, these architectures include but is not limited to industry standard architecture (ISA) bus, microchannel architecture (MAC)
Bus, enhanced isa bus, Video Electronics Standards Association (VESA) local bus and peripheral component interconnection (PCI) bus.
Equipment 12 typically comprises a variety of computer system readable media.These media can be it is any can be by equipment 12
The usable medium of access, including volatile and non-volatile media, moveable and immovable medium.
System storage 28 may include the computer system readable media of form of volatile memory, such as arbitrary access
Memory (RAM) 30 and/or cache memory 32.Equipment 12 may further include it is other it is removable/nonremovable,
Volatile/non-volatile computer system storage medium.Only as an example, storage system 34 can be used for reading and writing irremovable
, non-volatile magnetic media (Fig. 7 do not show, commonly referred to as " hard disk drive ").Although being not shown in Fig. 7, use can be provided
In the disc driver read and write to removable non-volatile magnetic disk (such as " floppy disk "), and to removable anonvolatile optical disk
The CD drive of (such as CD-ROM, DVD-ROM or other optical mediums) read-write.In these cases, each driver can
To be connected by one or more data media interfaces with bus 18.Memory 28 may include at least one program product,
The program product has one group of (for example, at least one) program module, these program modules are configured to perform each implementation of the invention
The function of example.
Program/utility 40 with one group of (at least one) program module 42 can store in such as memory 28
In, such program module 42 include but is not limited to operating system, one or more application program, other program modules and
It may include the realization of network environment in program data, each of these examples or certain combination.Program module 42 is usual
Execute the function and/or method in embodiment described in the invention.
Equipment 12 can also be communicated with one or more external equipments 14 (such as keyboard, sensing equipment, display 24 etc.),
Can also be enabled a user to one or more equipment interacted with the equipment 12 communication, and/or with enable the equipment 12 with
One or more of the other any equipment (such as network interface card, modem etc.) communication for calculating equipment and being communicated.It is this logical
Letter can be carried out by input/output (I/O) interface 22.Also, equipment 12 can also by network adapter 20 and one or
The multiple networks of person (such as local area network (LAN), wide area network (WAN) and/or public network, such as internet) communication.As shown,
Network adapter 20 is communicated by bus 18 with other modules of equipment 12.It should be understood that although not shown in the drawings, can combine
Equipment 12 uses other hardware and/or software module, including but not limited to：Microcode, device driver, redundant processing unit,
External disk drive array, RAID system, tape drive and data backup storage system etc..
Processing unit 16 by the program that is stored in system storage 28 of operation, thereby executing various function application and
Data processing, such as realize the naked eye 3D display method based on tracing of human eye provided by the embodiment of the present invention.This method includes：
According to the geometrical relationship of the first camera, second camera and viewer's eyes that are arranged on display screen, determines and see
The current distance of the person's of seeing eye distance display screen；
Mapping between distance based on preset viewer's eye distance display screen and the width in row's figure period is closed
System determines that the corresponding target row of the current distance schemes the width in period；
Row's figure content is adjusted and is shown according to the width that the target row schemes the period.
Certainly, it will be understood by those skilled in the art that processor can also realize it is provided by any embodiment of the invention
The technical solution of naked eye 3D display method based on tracing of human eye.
Embodiment five
The embodiment of the present invention five additionally provides a kind of computer readable storage medium, is stored thereon with computer program, should
The naked eye 3D display method provided by any embodiment of the invention based on tracing of human eye is realized when program is executed by processor.It should
Method includes：
According to the geometrical relationship of the first camera, second camera and viewer's eyes that are arranged on display screen, determines and see
The current distance of the person's of seeing eye distance display screen；
Mapping between distance based on preset viewer's eye distance display screen and the width in row's figure period is closed
System determines that the corresponding target row of the current distance schemes the width in period；
Row's figure content is adjusted and is shown according to the width that the target row schemes the period.
The computer storage medium of the embodiment of the present invention, can be using any of one or more computer-readable media
Combination.Computer-readable medium can be computer-readable signal media or computer readable storage medium.It is computer-readable
Storage medium for example may be-but not limited to-the system of electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor, device or
Device, or any above combination.The more specific example (non exhaustive list) of computer readable storage medium includes：Tool
There are electrical connection, the portable computer diskette, hard disk, random access memory (RAM), read-only memory of one or more conducting wires
(ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-
ROM), light storage device, magnetic memory device or above-mentioned any appropriate combination.In this document, computer-readable storage
Medium can be any tangible medium for including or store program, which can be commanded execution system, device or device
Using or it is in connection.
Computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal,
Wherein carry computer-readable program code.The data-signal of this propagation can take various forms, including but unlimited
In electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be that computer can
Any computer-readable medium other than storage medium is read, which can send, propagates or transmit and be used for
By the use of instruction execution system, device or device or program in connection.
The program code for including on computer-readable medium can transmit with any suitable medium, including --- but it is unlimited
In wireless, electric wire, optical cable, RF etc. or above-mentioned any appropriate combination.
The computer for executing operation of the present invention can be write with one or more programming languages or combinations thereof
Program code, described program design language include object oriented program language-such as Java, Smalltalk, C++,
Further include conventional procedural programming language-such as " C " language or similar programming language.Program code can be with
It fully executes, partly execute on the user computer on the user computer, being executed as an independent software package, portion
Divide and partially executes or executed on a remote computer or server completely on the remote computer on the user computer.?
Be related in the situation of remote computer, remote computer can pass through the network of any kind --- including local area network (LAN) or
Wide area network (WAN)-be connected to subscriber computer, or, it may be connected to outer computer (such as mentioned using Internet service
It is connected for quotient by internet).
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of naked eye 3D display method based on tracing of human eye, which is characterized in that including：
According to the geometrical relationship of the first camera, second camera and viewer's eyes that are arranged on display screen, viewer is determined
The current distance of eye distance display screen；
Mapping relations between distance based on preset viewer's eye distance display screen and the width in row's figure period, really
Determine the width in the current distance corresponding target row figure period；
Row's figure content is adjusted and is shown according to the width that the target row schemes the period.
2. the method according to claim 1, wherein being taken the photograph according to the first camera being arranged on display screen, second
As the geometrical relationship of head and viewer's eyes, the current distance of viewer's eye distance display screen is determined, including：
It calculates viewer's eyes and deviates the first camera institute first angle in the horizontal direction, and deviate second camera place
The second angle of horizontal direction；
It is aobvious according to distance computation viewer's eye distance of first angle, second angle and the first camera and second camera
The current distance of display screen.
3. according to the method described in claim 2, it is characterized in that, calculating viewer's eyes deviates level where the first camera
The first angle in direction, and deviate second camera institute second angle in the horizontal direction, including：
According to imager coordinate of viewer's eyes in the first camera and second camera, viewer's eye distance first is determined
The first level distance of camera optical axis, and the second horizontal distance apart from second camera optical axis；
According to the first level distance, the resolution ratio of the field angle of the first camera and captured image, viewer's eye is calculated
Eyeball deviates the third angle of the first camera optical axis；
According to second horizontal distance, the resolution ratio of the field angle of second camera and captured image, viewer's eye is calculated
The fourth angle of eyeball deviation second camera optical axis；
According to the third angle, calculates viewer's eyes and deviate the first camera institute first angle in the horizontal direction, and root
According to the fourth angle, calculates viewer's eyes and deviate second camera institute second angle in the horizontal direction.
4. the method according to claim 1, wherein the mapping relations are inversely prroportional relationship.
5. according to the method described in claim 4, it is characterized in that, based on preset viewer's eye distance display screen
Mapping relations between distance and the width in row's figure period determine that the corresponding target row of the current distance schemes the width in period,
Including：
According to the following formula, determine that the corresponding target row of the current distance schemes the width in period：
Pitch=p0+p0 × (d ÷ z)；
Wherein, pitch is the width in row's figure period；P0 is constant, indicates the width for the horizontal cylindrical mirror that display screen surface is laid；d
For constant, the coating thickness of horizontal cylindrical mirror is indicated；Z is the current distance of viewer's eye distance display screen.
6. a kind of bore hole 3D display device based on tracing of human eye, which is characterized in that including：
Current distance determining module, according to the several of the first camera, second camera and the viewer's eyes being arranged on display screen
What relationship, determines the current distance of viewer's eye distance display screen；
Figure periodic width determining module is arranged, for the distance based on preset viewer's eye distance display screen and is arranged figure week
Mapping relations between the width of phase determine that the corresponding target row of the current distance schemes the width in period；
It arranges figure content and adjusts module, the width for scheming the period according to the target row is adjusted and shows to row's figure content.
7. device according to claim 6, which is characterized in that the current distance determining module, including：
Angle calculation unit deviates the first camera institute first angle in the horizontal direction for calculating viewer's eyes, and
Deviate second camera institute second angle in the horizontal direction；
Current distance computing unit, for according between first angle, second angle and the first camera and second camera
Away from the current distance for calculating viewer's eye distance display screen.
8. device according to claim 7, which is characterized in that the angle calculation unit is specifically used for：
According to imager coordinate of viewer's eyes in the first camera and second camera, viewer's eye distance first is determined
The first level distance of camera optical axis, and the second horizontal distance apart from second camera optical axis；
According to the first level distance, the resolution ratio of the field angle of the first camera and captured image, viewer's eye is calculated
Eyeball deviates the third angle of the first camera optical axis；
According to second horizontal distance, the resolution ratio of the field angle of second camera and captured image, viewer's eye is calculated
The fourth angle of eyeball deviation second camera optical axis；
According to the third angle, calculates viewer's eyes and deviate the first camera institute first angle in the horizontal direction, and root
According to the fourth angle, calculates viewer's eyes and deviate second camera institute second angle in the horizontal direction.
9. a kind of equipment, which is characterized in that the equipment includes：
One or more processors；
Storage device, for storing one or more programs,
When one or more of programs are executed by one or more of processors, so that one or more of processors are real
Now such as the naked eye 3D display method as claimed in any one of claims 1 to 5 based on tracing of human eye.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
Such as the naked eye 3D display method as claimed in any one of claims 1 to 5 based on tracing of human eye is realized when execution.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810813867.7A CN108881893A (en) | 2018-07-23 | 2018-07-23 | Naked eye 3D display method, apparatus, equipment and medium based on tracing of human eye |
| PCT/CN2018/111648 WO2020019548A1 (en) | 2018-07-23 | 2018-10-24 | Glasses-free 3d display method and apparatus based on human eye tracking, and device and medium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810813867.7A CN108881893A (en) | 2018-07-23 | 2018-07-23 | Naked eye 3D display method, apparatus, equipment and medium based on tracing of human eye |
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| CN114584754A (en) * | 2022-02-28 | 2022-06-03 | 广东未来科技有限公司 | 3D display method and related device |
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