CN108810504A - Image processing method, projecting method and equipment - Google Patents
Image processing method, projecting method and equipment Download PDFInfo
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- CN108810504A CN108810504A CN201810996978.6A CN201810996978A CN108810504A CN 108810504 A CN108810504 A CN 108810504A CN 201810996978 A CN201810996978 A CN 201810996978A CN 108810504 A CN108810504 A CN 108810504A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
Abstract
The embodiment of the present application provides a kind of image processing method, a kind of projecting method and equipment, and method includes in the image graph：Obtain the pending image of first resolution；The pending image of the first resolution is converted into the pending image with the second resolution of projection device resolution adaptation；Wherein, the pixel of the pending image of the second resolution is distributed according to high and low with the pixel density of the human eye peripheral field corresponding region rule of the pixel density with human eye central vision corresponding region；The first resolution is more than the second resolution；Using the pending image of the second resolution as image to be projected；Wherein, the projection device by described according to the pixel distribution rule image to be projected image to be projected projecting into human eye.The embodiment of the present application realizes the effect of the projected image of projection acquisition higher resolution in human eye by the projection device of low resolution.
Description
Technical field
The invention relates to technical field of virtual reality, especially relate to a kind of image processing method, a kind of projecting method
And equipment.
Background technology
In existing AR (augmented reality, Augmented Reality) image projection technology, by projection device by virtual graph
As projecting in human eye, projection to the virtual image in human eye is superimposed with the real world images being incident in human eye, to obtain void
Quasi- real effect.
The projection device of current low resolution can not be projected out the image of higher resolution.For example, the resolution of projection device
Rate is 1280*720, and virtual image to be projected has higher resolution ratio, for example, 1980*1080P.Most due to projection device
1280*720 pixel can only be mostly scanned, therefore, when the resolution ratio of virtual image to be projected is 1980*1080P, projection is set
The projected image that standby projection obtains can lose the partial pixel information in original virtual image to be scanned, can not project and be differentiated
The higher projected image of rate.
Invention content
The embodiment of the present application provides a kind of image processing method, image projecting method, a kind of image processing equipment and one kind
Projection device projects the projected image for obtaining higher resolution realizing the projection device by low resolution in human eye
Effect.
This application provides a kind of image processing methods, including：
Obtain the pending image of first resolution；
The pending image of the first resolution is converted to and the second resolution of projection device resolution adaptation
Pending image；Wherein, the pixel of the pending image of the second resolution according to human eye central vision corresponding region
High and low with the pixel density of the human eye peripheral field corresponding region rule distribution of pixel density；The first resolution is big
In the second resolution；
Using the pending image of the second resolution as image to be projected；Wherein, the projection device is to by institute
It states and image to be projected is projected into human eye according to the pixel distribution rule image to be projected.
Preferably, the pending image of the first resolution is converted to projection device resolution adaptation
The pending image of two resolution ratio includes：
The pending image of the first resolution is divided into multiple pixel ranges according to human eye diopter；
The pending image of the first resolution is high according to the pixel density with human eye central vision corresponding region, with
The low regularity of distribution of the pixel density of human eye peripheral field corresponding region is sequentially adjusted in the pixel density of each pixel range, makes tune
The resolution ratio of pending image after whole is the second resolution with the projection device resolution adaptation.
Preferably, described that the pending image of the first resolution is divided into multiple pixel ranges according to human eye diopter
Including：
Determine that the pending image of the first resolution corresponds to corresponding first pixel region of human eye two degrees visual field；
Determine that the pending image of the first resolution corresponds to human eye two degrees visual field to corresponding second picture of ten degree of visual fields
Plain region；
Determine that the pending image of the first resolution corresponds to the corresponding third pixel region of visual field that human eye is more than ten degree
Domain.
Preferably, the pending image by the first resolution is according to the picture with human eye central vision corresponding region
Plain density is high, the regularity of distribution low with the pixel density of human eye peripheral field corresponding region is sequentially adjusted in the picture of each pixel range
Plain density, it is the second resolution packet with the projection device resolution adaptation to make the resolution ratio of the pending image after adjustment
It includes：
So that the pixel density of the first pixel region of the pending image of the first resolution is remained unchanged, remains
One pixel density；
The pixel density of the second pixel region of the pending image of the first resolution is adjusted by first pixel
Density is reduced to the second pixel density；
The pixel density of the third pixel region of the pending image of the first resolution is adjusted by first pixel
Density is reduced to third pixel density；Wherein, second pixel density is more than the third pixel density, and makes after adjusting
Pending image resolution ratio be the second resolution.
This application provides a kind of projecting methods, including：
It obtains image to be projected；Wherein, it is described it is image to be projected be by by the pending image of the first resolution
It is converted to and obtains after the pending image with the second resolution of projection device resolution adaptation；It is described it is image to be projected according to
Rule point high with the pixel density of human eye central vision corresponding region, low with the pixel density of human eye peripheral field corresponding region
Cloth；
According to the pixel distribution rule image to be projected, by the projection to human eye image to be projected, with projection
It is image to be projected to obtain that human eye central vision pixel density is high, human eye peripheral field pixel density is low.
Preferably, described according to the pixel distribution rule image to be projected, by the projection image to be projected to people
Eye include：
According to the pixel distribution rule image to be projected, image to be projected multiple sweep intervals are divided by described；
According to the pixel distribution density of each sweep interval, adjust each sweep interval correspond to laser light sequential and
The running speed of corresponding scanning galvanometer；
It controls the laser and while lighting sequential and light, controls institute according to the corresponding laser of each sweep interval
The running speed operating that scanning galvanometer corresponds to scanning galvanometer according to each sweep interval is stated, by the projection image to be projected to people
In eye.
Preferably, described according to the pixel distribution rule image to be projected, by it is described it is image to be projected be divided into it is more
A sweep interval includes：
Determine corresponding first sweep interval of the corresponding human eye two degrees visual field image to be projected；
Determine the corresponding human eye two degrees visual field image to be projected to corresponding second sweep interval of ten degree of visual fields；
Determine that the corresponding human eye image to be projected is more than ten degree of the corresponding third sweep interval of visual field.
Preferably, the pixel distribution density of each sweep interval of the basis adjusts each sweep interval and corresponds to laser
Light sequential and the running speed of corresponding scanning galvanometer includes：
According to the pixel distribution density of the first sweep interval, adjust that first sweep interval corresponds to that laser lights when
Between be spaced most short and corresponding scanning galvanometer slow axis running speed it is most slow；
According to the pixel distribution density of the second sweep interval, adjust that the third sweep interval corresponds to that laser lights when
Between be spaced time short and corresponding scanning galvanometer slow axis running speed time it is slow；
According to the pixel distribution density of third sweep interval, adjust that the third sweep interval corresponds to that laser lights when
Between interval longest and the running speed of corresponding scanning galvanometer slow axis it is most fast.
This application provides a kind of image processing equipments, including processing component and storage assembly；The storage assembly storage
One or more computer program instructions；The processing component refers to for calling and executing one or more computer program
It enables to realize：
Obtain the pending image of first resolution；
The pending image of the first resolution is converted to and the second resolution of projection device resolution adaptation
Pending image；Wherein, the pixel of the pending image of the second resolution according to human eye central vision corresponding region
High and low with the pixel density of the human eye peripheral field corresponding region rule distribution of pixel density；The first resolution is big
In the second resolution；
Using the pending image of the second resolution as image to be projected；Wherein, the projection device is to by institute
It states and image to be projected is projected into human eye according to the pixel distribution rule image to be projected.
Present invention also provides a kind of projection devices, including processing component and storage assembly；The storage assembly storage one
Item or a plurality of computer program instructions；The processing component is for calling and executing one or more computer program instructions
To realize：
It obtains image to be projected；Wherein, it is described it is image to be projected be by by the pending image of the first resolution
It is converted to and obtains after the pending image with the second resolution of projection device resolution adaptation；It is described it is image to be projected according to
Rule point high with the pixel density of human eye central vision corresponding region, low with the pixel density of human eye peripheral field corresponding region
Cloth；
According to the pixel distribution rule image to be projected, by the projection to human eye image to be projected, with projection
It is image to be projected to obtain that human eye central vision pixel density is high, human eye peripheral field pixel density is low.
The application embodiment provides a kind of image processing method, a kind of projecting method and equipment, described image processing
Method is by obtaining the pending image of first resolution and the pending image of the first resolution being converted to and projected
The pending image of the second resolution of equipment adaptation.Wherein, the pixel of the pending image of the second resolution according to
The pixel density height of human eye central vision corresponding region and the rule low with the pixel density of human eye peripheral field corresponding region
Distribution；The first resolution is more than the second resolution.Using the pending image of the second resolution as to be projected
Image, wherein projection device are used to image to be projected project described to human eye according to pixel distribution rule image to be projected
In.Since human eye central vision is most clear to resolution ratio image to be projected perception, closer to peripheral field to image to be projected
The perception of resolution ratio is fuzzyyer.Therefore, the pixel distribution image to be projected according to corresponding human eye central vision region is close
Degree is high, and the pixel distribution density in corresponding human eye peripheral field region is low when projecting in human eye, the figure to be projected that human eye perceives
The resolution ratio of shape is the resolution ratio in corresponding human eye central vision region, and the pixel distribution for corresponding to human eye central vision region at this time is close
The resolution ratio image to be projected that the higher human eye of degree perceives is higher, to realize the projection device by low resolution in human eye
Middle projection obtains the effect of the projected image of higher resolution.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this Shen
Some embodiments please for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 shows a kind of flow chart of one embodiment of image processing method provided by the present application；
Fig. 2 shows a kind of flow charts of one embodiment of projecting method provided by the present application；
Fig. 3 shows a kind of structural schematic diagram of one embodiment of image processing apparatus provided by the present application；
Fig. 4 shows a kind of structural schematic diagram of one embodiment of projection arrangement provided by the present application；
Fig. 5 shows a kind of structural schematic diagram of one embodiment of image processing equipment provided by the present application；
Fig. 6 shows a kind of structural schematic diagram of one embodiment of projection device provided by the present application.
Specific implementation mode
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application are clearly and completely described.
In some flows of description in the description and claims of this application and above-mentioned attached drawing, contain according to
Multiple operations that particular order occurs, but it should be clearly understood that these operations can not be what appears in this article suitable according to its
Sequence is executed or is executed parallel, and the serial number such as 101,102 etc. of operation is only used for distinguishing each different operation, serial number
It itself does not represent and any executes sequence.In addition, these flows may include more or fewer operations, and these operations can
To execute or execute parallel in order.It should be noted that the descriptions such as " first " herein, " second ", are for distinguishing not
Same message, equipment, module etc., does not represent sequencing, does not also limit " first " and " second " and be different type.
The projection device of current low resolution can not be projected out the image of higher resolution.In order to make user obtain preferably
Viewing experience can see the projected image of more high definition by the projection device of low resolution.Inventor grinds by a series of
Study carefully discovery, existing projecting method is the virtual graph for being projected out the Pixel Dimensions such as a width in human eye after acquisition is image to be projected
Picture.Due to pixel image to be projected be it is equally distributed, projecting to the pixel of the virtual image in human eye is equally
It is uniformly distributed in human eye, but the characteristic of human eye that this projecting method does not account for.Due to perceived color in the retina of human eye
The cone cell of multimedia message being unevenly distributed on the retina, distribution situation is small by recessed nearby two in human eye retina
It is cone cell distribution density highest in degree visual field, what it is far from two degrees field positions is that cone cell density continuously decreases namely human eye
To projecting to the pixel in two degrees visual field most sensitive, perceptibility highest, the perceptibility for being more than the pixel of two degrees visual field can be increasingly
It is low, and human eye will not see the details of projected image when projecting to away from two degrees visual field remoter visual field.
Therefore, the application embodiment provides a kind of image processing method, a kind of projecting method and equipment, described image
Processing method by obtain first resolution pending image and by the pending image of the first resolution be converted to
The pending image of the second resolution of projection device adaptation.Wherein, the pixel of the pending image of the second resolution is pressed
It is high and low with the pixel density of human eye peripheral field corresponding region according to the pixel density with human eye central vision corresponding region
Rule is distributed；The first resolution is more than the second resolution.Using the pending image of the second resolution as waiting for
Projected image, wherein projection device are used to image to be projected project described to people according to pixel distribution rule image to be projected
In eye.Since human eye central vision is most clear to resolution ratio image to be projected perception, perspective view is treated closer to peripheral field
As the perception of resolution ratio is fuzzyyer.Therefore, by the pixel distribution image to be projected according to corresponding human eye central vision region
Density is high, and the pixel distribution density in corresponding human eye peripheral field region is low when projecting in human eye, and human eye perceives to be projected
The resolution ratio of figure is the resolution ratio in corresponding human eye central vision region, corresponds to the pixel distribution in human eye central vision region at this time
The resolution ratio image to be projected that the higher human eye of density perceives is higher, to realize the projection device by low resolution in people
Projection obtains the effect of the projected image of higher resolution in eye.
Technical scheme is described in detail below in conjunction with attached drawing.
Fig. 1 is a kind of flow chart of one embodiment of image processing method provided by the embodiments of the present application.At the image
Reason method may include：
101：Obtain the pending image of first resolution.
102：The pending image of the first resolution is converted to and is differentiated with the second of projection device resolution adaptation
The pending image of rate.
Wherein, the pixel of the pending image of the second resolution is according to the pixel with human eye central vision corresponding region
High and low with the pixel density of the human eye peripheral field corresponding region rule distribution of density；The first resolution is more than institute
State second resolution.
103：Using the pending image of the second resolution as image to be projected.
Wherein, the projection device is to will be described image to be projected according to the pixel distribution rule image to be projected
In projection to human eye.
In practical application, when picture size is identical, the size of image resolution ratio is related to the number of pixels of image, works as pixel
It is higher to be distributed the more i.e. pixel density more high image resolutions of number, otherwise image resolution ratio is lower.
By being converted to the pending image of first resolution according to close with the pixel of human eye central vision corresponding region
High and low with the pixel density of the human eye peripheral field corresponding region rule distribution second resolution of degree arrives processing image.
Although the resolution ratio of pending image reduces, according to human-eye visual characteristic, when by the pending image of the second resolution
When as in projection to human eye image to be projected, human eye perceives the pixel that resolution ratio image to be projected is corresponding central vision
The corresponding resolution ratio of distribution density.Therefore so that the pending image of second resolution and human eye central vision corresponding region
The resolution ratio that pixel density reaches image in the projection to human eye that family can be used to perceive for first resolution is first resolution.
As an optional implementation manner, described be converted to the pending image of the first resolution sets with projection
The pending image of the second resolution of standby resolution adaptation may include：
The pending image of the first resolution is divided into multiple pixel ranges according to human eye diopter；
The pending image of the first resolution is high according to the pixel density with human eye central vision corresponding region, with
The low regularity of distribution of the pixel density of human eye peripheral field corresponding region is sequentially adjusted in the pixel density of each pixel range, makes tune
The resolution ratio of pending image after whole is the second resolution with the projection device resolution adaptation.
According to human-eye visual characteristic, the pending image of first resolution can be divided according to human eye diopter, root
It is different to the susceptibility of projected image according to human eye visual field, multiple pixel ranges are divided into, and adjust the pixel of each pixel range
Density so that the pixel density of each pixel range is different.It specifically, can be by the pixel range of corresponding human eye central vision
Pixel density is constant, reduces the pixel density of the pixel range of corresponding human eye peripheral field successively, can be by merging adjacent picture
The mode of vegetarian refreshments reduces the number of pixels in respective pixel section, achievees the purpose that reduce the pixel range respective pixel density.
As an optional implementation manner, the pending image by the first resolution is drawn according to human eye diopter
Being divided into multiple pixel ranges may include：
Determine that the pending image of the first resolution corresponds to corresponding first pixel region of human eye two degrees visual field；
Determine that the pending image of the first resolution corresponds to human eye two degrees visual field to corresponding second picture of ten degree of visual fields
Plain region；
Determine that the pending image of the first resolution corresponds to the corresponding third pixel region of visual field that human eye is more than ten degree
Domain.
In practical application, two degrees visual field can be divided into the susceptibility of projected image according to human eye diopter, twice to ten degree
Visual field and visual field more than ten degree, certainly, the embodiment of the present application is not limited to this dividing mode, in order to obtain better projection
Effect can carry out the corresponding pixel range of step refining human eye diopter, can also only be divided into two degrees visual field and more than regarding twice
The corresponding pixel range in field can carry out pixel range division according to actual demand, be not specifically limited herein.
As an optional implementation manner, the pending image by the first resolution according to human eye center
The pixel density of visual field corresponding region is high, the regularity of distribution low with the pixel density of human eye peripheral field corresponding region is sequentially adjusted in
The pixel density of each pixel range, makes the resolution ratio of the pending image after adjustment be and the projection device resolution adaptation
Second resolution may include：
So that the pixel density of the first pixel region of the pending image of the first resolution is remained unchanged, remains
One pixel density；
The pixel density of the second pixel region of the pending image of the first resolution is adjusted by first pixel
Density is reduced to the second pixel density；
The pixel density of the third pixel region of the pending image of the first resolution is adjusted by first pixel
Density is reduced to third pixel density；Wherein, second pixel density is more than the third pixel density, and makes after adjusting
Pending image resolution ratio be the second resolution.
By taking the resolution ratio of the pending image of first resolution is 1980*1080 as an example, since projection device at most can only
1280*720 pixel of scanning projects to people so if projection device directly projects the pending image of the first resolution
The resolution ratio of image in eye is 1280*720, can not project the image for obtaining higher resolution.Using the embodiment of the present application
Technical solution, the pending image of first resolution is divided into the first pixel range of corresponding human eye two degrees visual field, it is corresponding
Human eye two degrees to ten degree visual fields the second pixel range and corresponding human eye more than ten degree of visual fields third pixel range.Then, it protects
The pixel density for holding the first pixel range is constant, therefore the resolution ratio of the first pixel range is still 1980*1080；Reduce the second picture
The pixel density in plain section is the second pixel density so that the resolution ratio of the second pixel range is 1280*720；Adjust described
The pixel density of the third pixel region of the pending image of one resolution ratio is reduced to third pixel by first pixel density
Density so that the resolution ratio of third pixel range is 640*480, to obtain the pending image of second resolution, and is made
Second resolution is less than or equal to the resolution ratio of the projection device.
It is divided in practice according to actual demand after obtaining multiple pixel ranges, the adjustment of the pixel density of each pixel range can
It is adjusted according to the viewing demand of actual user, as long as the resolution ratio for meeting the pixel range of corresponding human eye central vision meets
Higher resolution ratio, you can make user perceive the projected image of higher resolution in projection, make user obtain and preferably regard
Feel experience.
In the embodiment of the present application, by the way that the pending image of first resolution is converted and projection device resolution adaptation
The pending image of second resolution, and make second resolution pending image pixel according to corresponding human eye central vision
The pixel distribution density in region is high, the low distribution of pixel distribution density in corresponding human eye peripheral field region.Acquisition meets human eye and regards
Feel the image to be projected of characteristic, realizes that the effect of the projected image of projection acquisition higher resolution has established base for projection device
Plinth.
Fig. 2 is a kind of flow chart of one embodiment of projecting method provided by the embodiments of the present application.The projecting method can
To include：
201：It obtains image to be projected.
Wherein, it is described it is image to be projected be by being converted to and projection device the pending image of the first resolution
It is obtained after the pending image of the second resolution of resolution adaptation；It is described it is image to be projected according to human eye central vision pair
Answer the rule distribution that the pixel density in region is high, low with the pixel density of human eye peripheral field corresponding region.
202：According to the pixel distribution rule image to be projected, by the projection to human eye image to be projected, with
It is image to be projected that projection obtains that human eye central vision pixel density is high, human eye peripheral field pixel density is low.
Due to existing projection device laser light sequential and scanning galvanometer running speed is only applicable to scanning iseikonia
The image of plain size, will be in the image projection to human eye of equal Pixel Dimensions.Due to figure to be projected be according to human eye central vision
The pixel density of corresponding region is high, the rule distribution low with the pixel density of human eye peripheral field corresponding region, is non-iseikonia
The image of plain size.Therefore it is image to be projected that this is obtained by projection, need the laser for adjusting projection device
Light sequential and the running speed of scanning galvanometer.
In practical application, the laser of projection device can be RGB tri-color lasers, be not specifically limited herein.
As an optional implementation manner, described according to the pixel distribution rule image to be projected, it is waited for described
Projector, image projection to human eye includes：
According to the pixel distribution rule image to be projected, image to be projected multiple sweep intervals are divided by described；
According to the pixel distribution density of each sweep interval, adjust each sweep interval correspond to laser light sequential and
The running speed of corresponding scanning galvanometer；
It controls the laser and while lighting sequential and light, controls institute according to the corresponding laser of each sweep interval
The running speed operating that scanning galvanometer corresponds to scanning galvanometer according to each sweep interval is stated, by the projection image to be projected to people
In eye.
Since the pixel density regularity of distribution image to be projected is adjusted according to human-eye visual characteristic, according to human eye
The image to be scanned can be equally divided into multiple sweep intervals by visual characteristic.According to the distribution of pixel in different scanning section
Density is different, and adjust the corresponding laser of each sweep interval lights sequential and the sweep speed of scanning galvanometer.
In practice, scanning galvanometer fast axle running speed in the horizontal direction can be constant, only by adjusting the point of laser
Bright sequential can be adjusted the lateral separation distance of the bright number of pixels and adjacent pixel in every a line midpoint, to realize figure to be projected
As the high resolution of the sweep interval of corresponding central vision, the resolution ratio of the sweep interval of corresponding edge visual field is low.
But existing scanning galvanometer slow axis vertical direction running speed be uniform motion, this may result in every row pixel it
Between it is longitudinally spaced apart from identical.Since the pixel distribution density of each sweep interval image to be projected is different so that each scanning
Not only lateral separation distance is different for adjacent pixel in section, and longitudinally spaced distance also differs.And the fortune of scanning galvanometer fast axle
Rotary speed is constant, thus scanning galvanometer scan it is fixed when the time of a line, by adjusting the running speed of scanning galvanometer slow axis
For nonlinear motion so that scanning galvanometer slow axis border movement speed is fast, at this time within the same scan time, scanning galvanometer fast axle
The line number of scanning will be fewer；It is slow that scanning galvanometer slow axis center movement speed is adjusted simultaneously, at this time within the same scan time, is swept
The line number for retouching the scanning of galvanometer fast axle will be more.It is sparse that the pixel obtained positioned at edge image to be projected can thus be projected, position
It is intensive in center pixel image to be projected, to realize corresponding central vision image to be projected sweep interval high resolution,
The resolution ratio of the sweep interval of corresponding edge visual field is low.
As an optional implementation manner, described according to the pixel distribution rule image to be projected, it is waited for described
Projected image is divided into multiple sweep intervals：
Determine corresponding first sweep interval of the corresponding human eye two degrees visual field image to be projected；
Determine the corresponding human eye two degrees visual field image to be projected to corresponding second sweep interval of ten degree of visual fields；
Determine that the corresponding human eye image to be projected is more than ten degree of the corresponding third sweep interval of visual field.
As an optional implementation manner, the pixel distribution density of each sweep interval of the basis, adjustment are each swept
Retouch section correspond to laser light sequential and the running speed of corresponding scanning galvanometer includes：
According to the pixel distribution density of the first sweep interval, adjust that first sweep interval corresponds to that laser lights when
Between be spaced most short and corresponding scanning galvanometer slow axis running speed it is most slow；
According to the pixel distribution density of the second sweep interval, adjust that the third sweep interval corresponds to that laser lights when
Between be spaced time short and corresponding scanning galvanometer slow axis running speed time it is slow；
According to the pixel distribution density of third sweep interval, adjust that the third sweep interval corresponds to that laser lights when
Between interval longest and the running speed of corresponding scanning galvanometer slow axis it is most fast.
In practical application, the number for the sweep interval that division image to be projected obtains is really image to be projected by this
What pixel distribution density determined.It is identical that pixel in i.e. each pixel range, which has pixel distribution rule,.Such as first sweep
Retouch the lateral separation in section between adjacent pixel and it is longitudinally spaced be it is fixed, according to the pixel density of 1980*1080 resolution ratio
Distribution；Lateral separation and longitudinally spaced between adjacent pixel, is close according to the pixel of 1280*720 resolution ratio in second sweep interval
Degree distribution；Lateral separation and longitudinally spaced between adjacent pixel, is the pixel according to 640*480 resolution ratio in third sweep interval
Density Distribution.Therefore, the lateral separation of the adjacent pixel in the first pixel range and longitudinally spaced respectively less than the second pixel region
In the lateral separation of adjacent pixel and longitudinally spaced, between the lateral separation and longitudinal direction of the adjacent pixel in the second pixel range
Every the lateral separation of the adjacent pixel in respectively less than third pixel range and longitudinally spaced.When laser lights the first scanning respectively
When the pixel of the pixel in section, the pixel of the second sweep interval and third sweep interval, the time interval that laser is lighted is gradual
It is elongated, when scanning galvanometer slow axis is operated respectively to the first sweep interval, the second sweep interval and third sweep interval, scanning galvanometer
Running speed gradually accelerate.
In practical application, when scanning galvanometer slow axis scans edge pixel image to be projected, edge pixel may be respectively positioned on the
In three sweep intervals, therefore still can be uniform motion when scanning galvanometer slow axis scanning first row；When operating to image to be scanned
When intermediate, the pixel of middle column may be located at third sweep interval, the second sweep interval and the first sweep interval, sweep at this time
Running speed when retouching galvanometer slow axis scanning middle column is slowed down gradually by the running speed of top edge to center, has center to following
The running speed of edge is gradually accelerated, and scanning galvanometer slow axis operating at this time is a kind of nonlinear motion.
In practical application, the effect of higher resolution projected image is obtained by the projection of low resolution, is used
Family obtains preferably viewing experience；Similarly, can also will be image to be projected with projection device resolution adaptation, utilize Fig. 1
The image processing method of embodiment by this it is image to be projected be converted to the image to be projected of more low resolution, thrown by projection device
Shadow obtains the constant visual effect of projected image clarity.For example, the resolution ratio of the projection device is 1280*720, obtains and wait throwing
Shadow image resolution ratio is 1280*720, this image to be projected is converted to resolution ratio using the image processing method of Fig. 1 embodiments
For the image to be projected of 640*480, the projection of 1280*720 resolution ratio can be still obtained using the embodiment of the present application projecting method
Effect.It can save projection device electricity consumption while not reducing user's viewing embodiment, make projection device more supernumerary segment in this way
Energy.
In the embodiment of the present application, pass through the pixel point according to pixel image to be projected according to corresponding human eye central vision region
Cloth density is high, and the low density regularity of distribution of pixel distribution in corresponding human eye peripheral field region, adjust laser lights sequential
And the running speed of scanning galvanometer, meet the image to be projected of human-eye visual characteristic to project to obtain, projects and obtain in human eye
Obtain the effect of the projected image of higher resolution so that user watches the image being more clear.
Fig. 3 is a kind of structural schematic diagram of one embodiment of image processing apparatus provided by the embodiments of the present application.The figure
As processing unit may include：
First acquisition module 301, the pending image for obtaining first resolution.
Conversion module 302 is fitted for being converted to the pending image of the first resolution with projection device resolution ratio
The pending image for the second resolution matched.
Wherein, the pixel of the pending image of the second resolution is according to the pixel with human eye central vision corresponding region
High and low with the pixel density of the human eye peripheral field corresponding region rule distribution of density；The first resolution is more than institute
State second resolution.
Determining module 303 image to be projected, for using the pending image of the second resolution as image to be projected.
Wherein, the projection device is to will be described image to be projected according to the pixel distribution rule image to be projected
In projection to human eye.
As an optional implementation manner, the conversion module 302 specifically can be used for：
Pixel range division unit is more for the pending image of the first resolution to be divided into according to human eye diopter
A pixel range；
Pixel density adjustment unit, for by the pending image of the first resolution according to human eye central vision pair
The pixel density height in region, the regularity of distribution low with the pixel density of human eye peripheral field corresponding region is answered to be sequentially adjusted in each picture
The pixel density in plain section, it is second with the projection device resolution adaptation to make the resolution ratio of the pending image after adjustment
Resolution ratio.
As an optional implementation manner, the pixel range division unit specifically can be used for：
Determine that the pending image of the first resolution corresponds to corresponding first pixel region of human eye two degrees visual field；
Determine that the pending image of the first resolution corresponds to human eye two degrees visual field to corresponding second picture of ten degree of visual fields
Plain region；
Determine that the pending image of the first resolution corresponds to the corresponding third pixel region of visual field that human eye is more than ten degree
Domain.
As an optional implementation manner, the pixel density adjustment unit specifically can be used for：
So that the pixel density of the first pixel region of the pending image of the first resolution is remained unchanged, remains
One pixel density；
The pixel density of the second pixel region of the pending image of the first resolution is adjusted by first pixel
Density is reduced to the second pixel density；
The pixel density of the third pixel region of the pending image of the first resolution is adjusted by first pixel
Density is reduced to third pixel density；Wherein, second pixel density is more than the third pixel density, and makes after adjusting
Pending image resolution ratio be the second resolution.
Details are not described herein for the aforementioned feasible program for being described in detail the embodiment of the present application.
In the embodiment of the present application, by the way that the pending image of first resolution is converted and projection device resolution adaptation
The pending image of second resolution, and the limit pixel of the pending image of second resolution is regarded according to corresponding human eye center
The pixel distribution density of field areas is high, the low distribution of pixel distribution density in corresponding human eye peripheral field region.Acquisition meets human eye
Visual characteristic it is image to be projected, realize that projection obtains the effect of projected image of higher resolution and established base for projection device
Plinth.
Fig. 4 is a kind of structural schematic diagram of one embodiment of projection arrangement provided by the embodiments of the present application.The projection fills
It sets and may include：
Second acquisition module 401, it is image to be projected for obtaining.
Wherein, it is described it is image to be projected be by being converted to and projection device the pending image of the first resolution
It is obtained after the pending image of the second resolution of resolution adaptation；It is described it is image to be projected according to human eye central vision pair
Answer the rule distribution that the pixel density in region is high, low with the pixel density of human eye peripheral field corresponding region.
Projection module 402 is used for according to the pixel distribution rule image to be projected, by the projection image to be projected
Into human eye, it is image to be projected to obtain that human eye central vision pixel density is high, human eye peripheral field pixel density is low with projection.
As an optional implementation manner, the projection module 402 may include：
Sweep interval division unit is used for according to the pixel distribution rule image to be projected, by the figure to be projected
As being divided into multiple sweep intervals.
Adjustment unit adjusts each sweep interval and corresponds to laser for the pixel distribution density according to each sweep interval
The running speed for lighting sequential and corresponding scanning galvanometer of device.
Control unit is lighted for controlling the laser according to the sequential of lighting of the corresponding laser of each sweep interval
While, the running speed operating that the scanning galvanometer corresponds to scanning galvanometer according to each sweep interval is controlled, waits throwing by described
In shadow image projection to human eye.
As an optional implementation manner, the sweep interval division unit specifically can be used for：
Determine corresponding first sweep interval of the corresponding human eye two degrees visual field image to be projected；
Determine the corresponding human eye two degrees visual field image to be projected to corresponding second sweep interval of ten degree of visual fields；
Determine that the corresponding human eye image to be projected is more than ten degree of the corresponding third sweep interval of visual field.
As an optional implementation manner, the adjustment unit specifically can be used for：
According to the pixel distribution density of the first sweep interval, adjust that first sweep interval corresponds to that laser lights when
Between be spaced the corresponding scanning galvanometer slow axis of most short and adjustment running speed it is most slow；
According to the pixel distribution density of the second sweep interval, adjust that the third sweep interval corresponds to that laser lights when
Between be spaced the corresponding scanning galvanometer slow axis of time short and adjustment running speed time it is slow；
According to the pixel distribution density of third sweep interval, adjust that the third sweep interval corresponds to that laser lights when
Between interval longest and the running speed of the corresponding scanning galvanometer slow axis of adjustment it is most fast.
Details are not described herein for the aforementioned feasible program for being described in detail the embodiment of the present application.
In the embodiment of the present application, pass through the pixel point according to pixel image to be projected according to corresponding human eye central vision region
Cloth density is high, and the low density regularity of distribution of pixel distribution in corresponding human eye peripheral field region, adjust laser lights sequential
And the running speed of scanning galvanometer, meet the image to be projected of human-eye visual characteristic to project to obtain, projects and obtain in human eye
Obtain the effect of the projected image of higher resolution so that user watches the image being more clear.
Fig. 5 is a kind of structural schematic diagram of one embodiment of image processing equipment provided by the embodiments of the present application.The figure
As processing equipment may include processing component 501 and storage assembly 502；The storage of the storage assembly 502 one or more calculates
Machine program instruction；The processing component 501 is for calling and executing one or more computer program instructions to realize：
Obtain the pending image of first resolution；
The pending image of the first resolution is converted to and the second resolution of projection device resolution adaptation
Pending image；Wherein, the pixel of the pending image of the second resolution according to human eye central vision corresponding region
High and low with the pixel density of the human eye peripheral field corresponding region rule distribution of pixel density；The first resolution is big
In the second resolution；
Using the pending image of the second resolution as image to be projected；Wherein, the projection device is to by institute
It states and image to be projected is projected into human eye according to the pixel distribution rule image to be projected.
Optionally, which is additionally operable to execute all or part of step in aforementioned approaches method step.
Optionally, which can be the server or computer equipment being connect with projection device, can also be to throw
Any processing module in shadow equipment, is not specifically limited herein.
Wherein, which may include that one or more processors carry out computer instructions.Certain processing group
Part 501 or one or more application application-specific integrated circuit (ASIC), digital signal processor (DSP), at digital signal
Manage equipment (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), controller, microcontroller, Wei Chu
It manages device or other electronic components is realized, for executing the above method.
The storage assembly 502 can be real by any kind of volatibility or non-volatile memory device or combination thereof
Existing, such as static RAM (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable is only
Read memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic
Disk or CD.
Certainly, electronic equipment can also include other component, such as input/output interface, communication component etc..Input/defeated
Outgoing interface provides interface between processing component and peripheral interface module, and above-mentioned peripheral interface module can be output equipment, defeated
Enter equipment etc..Communication component is configured to facilitate the communication of wired or wireless way between movable equipment and other equipment, example
Such as with the communication of control device.
In the embodiment of the present application, by the way that the pending image of first resolution is converted and projection device resolution adaptation
The pending image of second resolution, and the limit pixel of the pending image of second resolution is regarded according to corresponding human eye center
The pixel distribution density of field areas is high, the low distribution of pixel distribution density in corresponding human eye peripheral field region.Acquisition meets human eye
Visual characteristic it is image to be projected, realize that projection obtains the effect of projected image of higher resolution and established base for projection device
Plinth.
Fig. 6 is a kind of structural schematic diagram of one embodiment of projection device provided by the embodiments of the present application.The projection is set
Standby may include processing component 601 and storage assembly 602；The storage assembly 602 stores one or more computer program and refers to
It enables；The processing component 601 is for calling and executing one or more computer program instructions to realize：
It obtains image to be projected；Wherein, it is described it is image to be projected be by by the pending image of the first resolution
It is converted to and obtains after the pending image with the second resolution of projection device resolution adaptation；It is described it is image to be projected according to
Rule point high with the pixel density of human eye central vision corresponding region, low with the pixel density of human eye peripheral field corresponding region
Cloth；
According to the pixel distribution rule image to be projected, by the projection to human eye image to be projected, with projection
It is image to be projected to obtain that human eye central vision pixel density is high, human eye peripheral field pixel density is low.
Optionally, which is additionally operable to execute all or part of step in aforementioned approaches method step.
Optionally, the projection device can be adapted for it is any by laser carry out image scanning projection device or its
It needs arbitrary laser into the laser projection device of image scanning.
Wherein, which may include that one or more processors carry out computer instructions.Certain processing group
Part 601 or one or more application application-specific integrated circuit (ASIC), digital signal processor (DSP), at digital signal
Manage equipment (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), controller, microcontroller, Wei Chu
It manages device or other electronic components is realized, for executing the above method.
The storage assembly 602 can be real by any kind of volatibility or non-volatile memory device or combination thereof
Existing, such as static RAM (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable is only
Read memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic
Disk or CD.
Certainly, electronic equipment can also include other component, such as input/output interface, communication component etc..Input/defeated
Outgoing interface provides interface between processing component and peripheral interface module, and above-mentioned peripheral interface module can be output equipment, defeated
Enter equipment etc..Communication component is configured to facilitate the communication of wired or wireless way between movable equipment and other equipment, example
Such as with the communication of control device.
In the embodiment of the present application, pass through the pixel point according to pixel image to be projected according to corresponding human eye central vision region
Cloth density is high, and the low density regularity of distribution of pixel distribution in corresponding human eye peripheral field region, adjust laser lights sequential
And the running speed of scanning galvanometer, meet the image to be projected of human-eye visual characteristic to project to obtain, projects and obtain in human eye
Obtain the effect of the projected image of higher resolution so that user watches the image being more clear.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
The apparatus embodiments described above are merely exemplary, wherein the unit illustrated as separating component can
It is physically separated with being or may not be, the component shown as unit may or may not be physics list
Member, you can be located at a place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of module achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case of, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It is realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be expressed in the form of software products in other words, should
Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally it should be noted that：Above example is only to illustrate the technical solution of the application, rather than its limitations；Although
The application is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of image processing method, which is characterized in that including：
Obtain the pending image of first resolution；
The pending image of the first resolution is converted to and waits locating with the second resolution of projection device resolution adaptation
Manage image；Wherein, the pixel of the pending image of the second resolution is according to the pixel with human eye central vision corresponding region
High and low with the pixel density of the human eye peripheral field corresponding region rule distribution of density；The first resolution is more than institute
State second resolution；
Using the pending image of the second resolution as image to be projected；Wherein, the projection device by described waiting for
Projected image is projected according to the pixel distribution rule image to be projected into human eye.
2. according to the method described in claim 1, it is characterized in that, the pending image by the first resolution is converted
Include for the pending image of the second resolution with projection device resolution adaptation：
The pending image of the first resolution is divided into multiple pixel ranges according to human eye diopter；
By the pending image of the first resolution according to the pixel density height and human eye with human eye central vision corresponding region
The low regularity of distribution of the pixel density of peripheral field corresponding region is sequentially adjusted in the pixel density of each pixel range, after making adjustment
The resolution ratio of pending image be second resolution with the projection device resolution adaptation.
3. according to the method described in claim 2, it is characterized in that, the pending image by the first resolution according to
Human eye diopter is divided into multiple pixel ranges：
Determine that the pending image of the first resolution corresponds to corresponding first pixel region of human eye two degrees visual field；
Determine that the pending image of the first resolution corresponds to human eye two degrees visual field to corresponding second pixel region of ten degree of visual fields
Domain；
Determine that the pending image of the first resolution corresponds to the corresponding third pixel region of visual field that human eye is more than ten degree.
4. according to the method described in claim 3, it is characterized in that, the pending image by the first resolution according to
Distribution high with the pixel density of human eye central vision corresponding region, low with the pixel density of human eye peripheral field corresponding region is advised
Rule is sequentially adjusted in the pixel density of each pixel range, makes the resolution ratio of the pending image after adjustment be and the projection device
The second resolution of resolution adaptation includes：
So that the pixel density of the first pixel region of the pending image of the first resolution is remained unchanged, remains the first picture
Plain density；
The pixel density of the second pixel region of the pending image of the first resolution is adjusted by first pixel density
It is reduced to the second pixel density；
The pixel density of the third pixel region of the pending image of the first resolution is adjusted by first pixel density
It is reduced to third pixel density；Wherein, second pixel density is more than the third pixel density, and to wait for after adjustment
The resolution ratio for handling image is the second resolution.
5. a kind of projecting method, which is characterized in that including：
It obtains image to be projected；Wherein, it is described it is image to be projected be by converting the pending image of the first resolution
For what is obtained after the pending image of the second resolution with projection device resolution adaptation；It is described it is image to be projected according to people
The rule that the pixel density of eye central vision corresponding region is high, low with the pixel density of human eye peripheral field corresponding region is distributed；
It is obtained in the projection to human eye image to be projected with projecting according to the pixel distribution rule image to be projected
It is image to be projected that human eye central vision pixel density is high, human eye peripheral field pixel density is low.
6. according to the method described in claim 5, it is characterized in that, described advise according to the pixel distribution image to be projected
It restrains, includes by the projection image to be projected to human eye：
According to the pixel distribution rule image to be projected, image to be projected multiple sweep intervals are divided by described；
According to the pixel distribution density of each sweep interval, adjust that each sweep interval corresponds to laser lights sequential and correspondence
The running speed of scanning galvanometer；
The laser is controlled while lighting sequential and light, to sweep described in control according to the corresponding laser of each sweep interval
The running speed operating that galvanometer corresponds to scanning galvanometer according to each sweep interval is retouched, by the projection image to be projected to human eye
In.
7. according to the method described in claim 6, it is characterized in that, described advise according to the pixel distribution image to be projected
Rule image to be projected be divided into described multiple sweep intervals and include：
Determine corresponding first sweep interval of the corresponding human eye two degrees visual field image to be projected；
Determine the corresponding human eye two degrees visual field image to be projected to corresponding second sweep interval of ten degree of visual fields；
Determine that the corresponding human eye image to be projected is more than ten degree of the corresponding third sweep interval of visual field.
8. the method according to the description of claim 7 is characterized in that the pixel distribution density of each sweep interval of the basis,
Adjust each sweep interval correspond to laser light sequential and the running speed of corresponding scanning galvanometer includes：
According to the pixel distribution density of the first sweep interval, adjustment first sweep interval corresponded between the time that laser is lighted
It is most slow every the running speed of the corresponding scanning galvanometer slow axis of most short and adjustment；
According to the pixel distribution density of the second sweep interval, adjusts the third sweep interval and correspond between the time that laser is lighted
It is slow every the running speed time of the corresponding scanning galvanometer slow axis of secondary short and adjustment；
According to the pixel distribution density of third sweep interval, adjusts the third sweep interval and correspond between the time that laser is lighted
It is most fast every the running speed of longest and the corresponding scanning galvanometer slow axis of adjustment.
9. a kind of image processing equipment, which is characterized in that including processing component and storage assembly；The storage assembly stores one
Or a plurality of computer program instructions；The processing component for call and execute one or more computer program instructions with
It realizes：
Obtain the pending image of first resolution；
The pending image of the first resolution is converted to and waits locating with the second resolution of projection device resolution adaptation
Manage image；Wherein, the pixel of the pending image of the second resolution is according to the pixel with human eye central vision corresponding region
High and low with the pixel density of the human eye peripheral field corresponding region rule distribution of density；The first resolution is more than institute
State second resolution；
Using the pending image of the second resolution as image to be projected；Wherein, the projection device by described waiting for
Projected image is projected according to the pixel distribution rule image to be projected into human eye.
10. a kind of projection device, which is characterized in that including processing component and storage assembly；The storage assembly store one or
A plurality of computer program instructions；The processing component is for calling and executing one or more computer program instructions with reality
It is existing：
It obtains image to be projected；Wherein, it is described it is image to be projected be by converting the pending image of the first resolution
For what is obtained after the pending image of the second resolution with projection device resolution adaptation；It is described it is image to be projected according to people
The rule that the pixel density of eye central vision corresponding region is high, low with the pixel density of human eye peripheral field corresponding region is distributed；
It is obtained in the projection to human eye image to be projected with projecting according to the pixel distribution rule image to be projected
It is image to be projected that human eye central vision pixel density is high, human eye peripheral field pixel density is low.
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