CN102843517B - A kind of image processing method, device and display device - Google Patents
A kind of image processing method, device and display device Download PDFInfo
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- CN102843517B CN102843517B CN201210324304.4A CN201210324304A CN102843517B CN 102843517 B CN102843517 B CN 102843517B CN 201210324304 A CN201210324304 A CN 201210324304A CN 102843517 B CN102843517 B CN 102843517B
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Abstract
Embodiments of the invention provide a kind of image processing method, device and display device, are related to technical field of image processing, can reduce the image and the difference visually in kind in corresponding reality of display.Specifically include, determine the target image in shooting image；The shooting distance of target image is determined, the overall ratio of target image itself is repaired according to the ratio of the profile size of the corresponding entity of the target image observed on this shooting distance of calculating and the profile size of target image.The present invention is applied to image procossing.
Description
Technical field
The present invention relates to technical field of image processing, more particularly to a kind of image processing method, device and display device.
Background technology
The eyes of the mankind are like a set of completely automatic digital camera, with zoom lens, iris ring and can be by
Optical signal is transformed into the electric signal that brain can be recognized.The eyes construction of normal person is identical, and in face's same level,
Interocular distance between two is from about 65mm.When noting a solid object, left eye sees that the left side of object is some more, and right eye is seen
The right of object is some more, so, and video of the stereoscopic article on two eyes retinas has difference, and this species diversity is called binocular parallax.
The image-forming principle of the common imaging devices of camera lens etc. essentially corresponds to single eyes regarding thing, it is seen that simply
The two dimensional image of object, we can tell its height and width, and None- identified its depth；In two dimensional image, utilize
Relevant size and the visual cues such as overlapping that object is provided, we may determine that these objects are in tandem before background
Order, but can not know between them actually distance how far, therefore two dimensional image is corresponding is commonly imaged no Binocular vison
Difference.
Without parallax, the imaging of human eye has parallax, inventor for imaging based on common imaging devices such as camera lens
It was found that due to the influence of parallax, target object by camera lens in the display device imaging will with human eye
The image being actually formed difference.
The content of the invention
Embodiments of the invention provide a kind of image processing method, device and display device, can reduce on display device
Image and corresponding reality in the difference that visually produces of material object.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：
First aspect there is provided a kind of image processing method, including：
Determine the target image in shooting image；
Determine the shooting distance of the target image；
According to the profile size of the corresponding entity of the target image observed on the shooting distance of calculating and institute
The ratio for stating the profile size of target image repairs the overall ratio of the target image itself.
In the first possible implementation, with reference in a first aspect, the entirety of the finishing target image itself
Ratio includes：
The overall ratio of itself of target image described in horizontal compression.
In second of possible implementation, with reference in a first aspect, this method also includes：
The shooting distance for determining the target image includes：
Shot described in the ratio-dependent for the display picture that the shooting image is accounted for according to the profile of the target image
Distance.
In the third possible implementation, with reference in a first aspect, this method also includes：
The corresponding shooting image of any entity is obtained in different shooting distance photographs any entities, it is described any
The corresponding shooting image of entity includes the target image；
According to the profile size of any figure entity observed on the different shooting distance of calculating with it is described
The ratio of the profile size of the corresponding target image of any entity sets up the different shooting distance and the different shooting
Apart from the relation mapping table of the corresponding ratio.
In the 4th kind of possible implementation, with reference to first aspect, the first possible implementation, second of possibility
Implementation or the third possible implementation, this method also includes：
The neighbouring background of the target image is adjusted according to the outline proportion of the target image after finishing；
The background nearby after the target image after finishing and adjustment is synthesized into complete image and exports described complete
Whole image.
In the 5th kind of possible implementation, with reference to the 4th kind of possible implementation, the institute according to after finishing
Stating the neighbouring background of the outline proportion adjustment target image of target image includes：According to the target image after finishing
Outline proportion stretches the neighbouring background of the target image.
Second aspect there is provided a kind of image processing apparatus, including：
Image discriminating unit, for determining the target image in the shooting image；
Graphics processing unit, the shooting distance for determining the target image, according to calculating in the shooting distance
The ratio finishing institute of the profile size of the corresponding entity of the target image of upper observation and the profile size of the target image
State the overall ratio of target image itself.
In the first possible implementation, with reference to second aspect,
Described image processing unit is specifically for the overall ratio of itself of target image described in horizontal compression.
In second of possible implementation, with reference to second aspect,
Described image processing unit is additionally operable to account for the display of the shooting image according to the profile of the target image
Shooting distance described in the ratio-dependent of picture.
In the third possible implementation, with reference to second aspect, described device also includes：
Image input units, it is corresponding for obtaining any entity in different shooting distance photographs any entities
Shooting image, the corresponding shooting image of any entity includes the target image；
Image management unit, for any figure entity observed on the different shooting distance according to calculating
Profile size and the ratio of profile size of the corresponding target image of any entity set up the different shooting distance
The relation mapping table of the ratio corresponding from the different shooting distance.
In the 4th kind of possible implementation, with reference to second aspect, the first possible implementation, second of possibility
Implementation or the third possible implementation, including：
Described image processing unit is additionally operable to, and the target is adjusted according to the outline proportion of the target image after adjustment
The neighbouring background of image.
Image composing unit, is synthesized completely for the target image after trimmed with the background nearby after adjustment
Image；
Image output unit, for exporting the complete image.
In the 5th kind of possible implementation, with reference to the 4th kind of possible implementation, described image processing unit tool
Body is used for the neighbouring background that the target image is stretched according to the target image.
The third aspect provides a kind of display device, including graphics processing unit, and described image processing unit is appointed for above-mentioned
One image processing apparatus.
Image processing method, device and display device that embodiments of the invention are provided, can be according on shooting distance
The ratio of target image of the corresponding entity of target image of observation with shooting repairs the overall ratio of target image itself, so that
The difference that the image on display device is visually produced with the image material object in corresponding reality can be reduced.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of image processing method provided in an embodiment of the present invention；
Fig. 2 is the schematic flow sheet of another image processing method provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of image processing apparatus provided in an embodiment of the present invention；
Fig. 4 is the structural representation of another image processing apparatus provided in an embodiment of the present invention；
Fig. 5 is a kind of binocular parallax principle schematic provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiments of the invention provide a kind of image processing method, as shown in figure 1, comprising the following steps：
101st, the target image in shooting image is determined.
102nd, the shooting distance of target image is determined.
Optionally, here can be true using the ratio for the display picture for accounting for shooting image according to the profile of target image
Determine shooting distance, naturally it is also possible to the shooting of target image is determined using distance measuring methods such as the infrared distance measurements on image picking-up apparatus
Distance.
103rd, according to the profile size and target figure of the corresponding entity of the target image observed on shooting distance of calculating
The ratio of the profile size of picture repairs the overall ratio of target image itself.
Substantially the overall ratio of finishing target image itself is the relative position of each point on adjustment target image here, without
It is to carry out simple scaling adjustment in proportion to the size of target image.
Optionally, the overall ratio of finishing target image itself is specifically included：The horizontal compression target image entirety of itself
Ratio.Certainly because human eye has its special image-forming principle, the image-forming principle is known technology, therefore is seen on shooting distance
The profile size for the corresponding entity of target image examined can be calculated directly according to the relevant parameter and shooting distance of human eye.
In addition the scope of profile size is that image (can be the corresponding reality of target image observed on shooting distance here certainly here
The image or target image of body) when in the quadrant plane being made up of X-axis and Y-axis, it is outermost in all directions
The scope that the lines and lines that border is constituted are surrounded.
The image processing method that embodiments of the invention are provided, can be according to the target observed on shooting distance of calculating
The ratio of the profile size of the corresponding entity of image and the profile size of target image repairs the overall ratio of target image itself,
So as to reduce the difference that the image on display device is visually produced with the image in corresponding reality.
Embodiments of the invention provide a kind of image processing method, as shown in Fig. 2 comprising the following steps：
201st, the target image in shooting image is determined.
202nd, the ratio-dependent shooting distance of the display picture of shooting image is accounted for according to the profile of target image.
Shown in specific reference picture 5, by taking target image behaviour object plane contouring as an example, human eye, which is similar to one, has complexity
The accurate of function reconciles imaging device, because the eyes of people have spacing L, therefore according to binocular parallax formula：
Understand there can be eyes inspection when people is in kind on different sighting distances are observed, wherein d is perceived depth, and D is sighting distance,
R is binocular parallax, and θ is eyes convergent angle, L be eyes spacing wherein,According to this, it is double when distance is more than 1300m
The eye optical axis is parallel, and binocular parallax is zero, and judging distance is not just worked.But for photography and videoing skill, especially
For photography and videoing skill for character face's feature, typically all within 20m, because scope within eye-observation 20m
Things, feel most comfortable.According to the principle of eye-observation comfort sense distance, the video played on our usual display devices or
The key figure part of image, most of eye-observation for all embodying the distance within 20m.
Specifically, for general visual angle of the photographic equipment 50mm focal lengths equivalent to human eye, the effect of personage's video is suitable
It is minimum 0.5 meter or so of shooting distance in sighting distance, is 20 meters to the maximum, calculates the ratio that target image accounts for whole display picture,
When target image one direction size reaches the border of display picture, sighting distance is set as 0.3m, when the one direction chi of target image
It is very little for display picture 1/20 when, be the imaging that parallax is zero, determine therefrom that shooting distance, here due to shoot when target image
The center of display picture horizontal direction or vertical direction is typically in, and unidirectional size is general with flat with horizontal direction
Capable X-direction or Y direction parallel to the vertical direction are reference direction, and certain unidirectional size can also be in X-axis
Any linearly extended direction in the quadrant constituted with Y-axis.
205th, according to the profile size and target figure of the corresponding entity of the target image observed on shooting distance of calculating
The ratio of the profile size of picture repairs the overall ratio of target image itself.
Substantially the overall ratio of finishing target image itself is the relative position of each point on adjustment target image here, without
It is to carry out simple scaling adjustment in proportion to the size of target image.
Optionally, the overall ratio of finishing target image itself is specifically included：The horizontal compression target image entirety of itself
Ratio.Certainly because human eye has its special image-forming principle, the image-forming principle is known technology, therefore is seen on shooting distance
The profile size for the corresponding entity of target image examined can be calculated directly according to the relevant parameter and shooting distance of human eye.
Certainly it can also include before step 205：
203rd, the corresponding shooting image of any entity is obtained in different shooting distance photographs any entities, any reality
The corresponding shooting image of body includes target image；
204th, according to the profile size and any entity of any entity observed on different shooting distances of calculating
The ratio of the profile size of corresponding target image sets up different shooting distances and different corresponding ratios of shooting distance
Relation mapping table.
More than, the image on display device can be divided into and be up to minimum.It is 25cm's or so for screen height
Adjustment size when display sets maximum is 6.3mm, i.e., by its horizontal compression in target image profile
6.3mm, and when the size of display is minimum, then need not be compressed, when this is middle, it is necessary to proportionally be compressed.
Remaining is without processing, so our maximums to be adjusted are 6.3mm, minimum value is 0mm.Wherein, the numerical value of this maximum
To be adjusted according to the size of display, can be maximum according to 6.3mm for the display that screen height is 25cm or so
Adjustment surplus is adjusted, and remaining carries out appropriate regulation according to linear scale.The regulation surplus of big display is big, small
The regulation surplus of display is small.Regulation ratio and the mapping relations of shooting distance are set up accordingly, it is determined that just may be used after shooting distance
To be adjusted using corresponding adjustment ratio to target image.
After, when handling any image., can be according to existing relationship map in certain shooting distance
Table, finds the relation ratio of the corresponding entity of this image and this image, and the regulation of overall ratio is carried out to this image, needed for obtaining
Effect.
206th, the neighbouring background of target image is adjusted according to the outline proportion of the target image after finishing；
Optionally, the neighbouring background of target image is specially stretched according to the outline proportion of the target image after finishing.
207th, the neighbouring background of the target image after finishing and the target image after adjustment is synthesized into complete image and exported
This complete image.
Specifically, image synthesis can be completed by the superposition of figure layer, the synthesis situation from image manipulation window,
The map overlay of the neighbouring background of the target image after target image and adjustment after finishing is to together, in order that the mesh after finishing
The figure layer of logo image does not block the figure layer of the neighbouring background of the target image after adjustment, it is necessary to which many methods are asked to solve this
Topic, goes background, scratches the various methods such as figure, masking-out to realize.
The principle may be directly applied to the regulation of facial contour, make the people in the personage and real life in plane picture
The fat or thin degree of thing substantially close to.
The image processing method that embodiments of the invention are provided, can be according to the target observed on shooting distance of calculating
The ratio of the profile size of the corresponding entity of image and the profile size of target image repairs the overall ratio of target image itself,
So as to reduce the difference that the image on display device is visually produced with the image in corresponding reality.It is same as, due to
Adjustment to the neighbouring background of image peripheral so that plane show in image and the image outline in corresponding real life it is big
It is small harmonious so that visual effect is more perfect.
Embodiments of the invention provide a kind of image processing apparatus 3, and shown in reference picture 3, the equipment includes：
Image discriminating unit 31 is used to determine the target image in shooting image；
Graphics processing unit 32 is used to determine the shooting distance of target image, according to being observed on shooting distance for calculating
The ratio of the profile size of the corresponding entity of target image and the profile size of target image repairs the entirety of target image itself
Ratio.
Optionally, graphics processing unit 32 is specifically for accounting for the display picture of shooting image according to the profile of target image
The ratio-dependent shooting distance in face.
Graphics processing unit 32 is specifically additionally operable to the horizontal compression target image overall ratio of itself.
The image processing apparatus that embodiments of the invention are provided, can be according to the target observed on shooting distance of calculating
The ratio of the profile size of the corresponding entity of image and the profile size of target image repairs the overall ratio of target image itself,
So as to reduce the difference that the image on display device is visually produced with the image in corresponding reality.
Embodiments of the invention provide a kind of image processing apparatus 3, and shown in reference picture 4, the equipment includes：Image discriminating list
Member 31, graphics processing unit 32, image input units 33, image management unit 34, image composing unit 35, image output unit
36, wherein：
Image discriminating unit 31 is used to determine the target image in shooting image；
Graphics processing unit 32 is used to determine the shooting distance of target image, according to being observed on shooting distance for calculating
The ratio of the profile size of the corresponding entity of target image and the profile size of target image repairs the entirety of target image itself
Ratio.
Specifically, graphics processing unit 32 is specifically for the horizontal compression target image overall ratio of itself.
Optionally, graphics processing unit 32 is additionally operable to account for the display picture of shooting image according to the profile of target image
Ratio-dependent shooting distance.
Image input units 33 are used to obtain the corresponding bat of any entity in different shooting distance photographs any entities
Image is taken the photograph, the corresponding shooting image of any entity includes target image.
Image management unit 34 is big for the profile of any entity observed on different shooting distances according to calculating
The ratio of the profile size of small target image corresponding from any entity sets up different shooting distances and different shooting distances
The relation mapping table of corresponding ratio.
Graphics processing unit 32 is additionally operable to adjust the vicinity of target image according to the outline proportion of the target image after adjustment
Background.
Optionally, graphics processing unit 32 is specially to stretch target image according to the outline proportion of the target image after finishing
Neighbouring background.
Image composing unit 35 is used to the neighbouring background after the target image after finishing and adjustment synthesizing complete image.
Image output unit 36 is used to export this complete image.
The image processing apparatus that embodiments of the invention are provided, can be according to the target observed on shooting distance of calculating
The ratio of the profile size of the corresponding entity of image and the profile size of target image repairs the overall ratio of target image itself,
So as to reduce the difference that the image on display device is visually produced with the image in corresponding reality.It is same as, due to
Adjustment to the neighbouring background of image peripheral so that plane show in image and the image outline in corresponding real life it is big
It is small harmonious so that visual effect is more perfect.
Embodiments of the invention provide a kind of display device 4, including：
Involved any image processing unit in above-described embodiment, certain display device can be palm PC, electricity
The philosophical works, the shooting with display unit or camera installation etc..
The display device that embodiments of the invention are provided, can be according to the target image observed on shooting distance of calculating
The ratio of the profile size of corresponding entity and the profile size of target image repairs the overall ratio of target image itself, so that
The difference that the image on display device is visually produced with the image in corresponding reality can be reduced.It is same as, due to figure
As the adjustment of the neighbouring background of surrounding so that the image during plane is shown is assisted with the image outline size in corresponding real life
Adjust consistent so that visual effect is more perfect.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
Programmed instruction related hardware is completed, and foregoing program can be stored in a computer read/write memory medium, the program
Upon execution, the step of including above method embodiment is performed；And foregoing storage medium includes：Read-only storage (Read
Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic disc or CD etc.
It is various can be with the medium of store program codes.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (9)
1. a kind of image processing method, it is characterised in that including：
Determine the target image in shooting image；
Determine the shooting distance of the target image；
According to the profile size of the corresponding entity of the target image observed on the shooting distance of calculating and the mesh
The relative position of each point repairs the target figure on target image described in the ratio only horizontal compression of the profile size of logo image
As the overall ratio of itself；
Methods described also includes：
The corresponding shooting image of any entity, any entity are obtained in different shooting distance photographs any entities
Corresponding shooting image includes the target image；
According to the profile size of any entity observed on the different shooting distance of calculating and any reality
The ratio of the profile size of the corresponding target image of body sets up the different shooting distance and the different shooting distance pair
The relation mapping table for the ratio answered.
2. according to the method described in claim 1, it is characterised in that the shooting distance for determining the target image includes：
Shooting distance described in the ratio-dependent for the display picture that the shooting image is accounted for according to the profile of the target image.
3. method according to claim 1 or 2, it is characterised in that methods described also includes：
The neighbouring background of the target image is adjusted according to the outline proportion of the target image after finishing；
The background nearby after the target image after finishing and adjustment is synthesized into complete image and the complete graph is exported
Picture.
4. method according to claim 3, it is characterised in that the profile ratio of the target image according to after finishing
The neighbouring background of the example adjustment target image includes：
The neighbouring background of the target image is stretched according to the outline proportion of the target image after finishing.
5. a kind of image processing apparatus, it is characterised in that including：
Image discriminating unit, for determining the target image in shooting image；
Graphics processing unit, the shooting distance for determining the target image is seen according to calculating on the shooting distance
The ratio only horizontal compression of the profile size for the corresponding entity of the target image examined and the profile size of the target image
The relative position of each point repairs the target image overall ratio of itself on the target image；
Described device also includes：
Image input units, for obtaining the corresponding shooting of any entity in different shooting distance photographs any entities
Image, the corresponding shooting image of any entity includes the target image；
Image management unit, the profile for any entity observed on the different shooting distance according to calculating
The ratio of size and the profile size of the corresponding target image of any entity set up the different shooting distance with it is described
The relation mapping table of the corresponding ratio of different shooting distances.
6. image processing apparatus according to claim 5, it is characterised in that
Described image processing unit is additionally operable to account for the display picture of the shooting image according to the profile of the target image
Ratio-dependent described in shooting distance.
7. the image processing apparatus according to claim 5 or 6, it is characterised in that including：
Described image processing unit is additionally operable to, and the target image is adjusted according to the outline proportion of the target image after adjustment
Neighbouring background；
Image composing unit, for the background nearby after the target image after finishing and adjustment to be synthesized into complete graph
Picture；
Image output unit, for exporting the complete image.
8. image processing apparatus according to claim 7, it is characterised in that described image processing unit is specifically for basis
The outline proportion of the target image after finishing stretches the neighbouring background of the target image.
9. a kind of display device, it is characterised in that including any image processing unit described in claim 5~8.
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| WO2017058199A1 (en) | 2015-09-30 | 2017-04-06 | Hewlett-Packard Development Company, L.P. | Interactive display |
| CN105578035B (en) * | 2015-12-10 | 2019-03-29 | 联想(北京)有限公司 | A kind of image processing method and electronic equipment |
| CN108156380A (en) * | 2017-12-28 | 2018-06-12 | 广东欧珀移动通信有限公司 | Image acquiring method, device, storage medium and electronic equipment |
| CN108965695A (en) * | 2018-06-27 | 2018-12-07 | 努比亚技术有限公司 | A kind of image pickup method, mobile terminal and computer readable storage medium |
| CN112911132B (en) * | 2019-12-03 | 2023-07-04 | RealMe重庆移动通信有限公司 | Photographing control method, photographing control device, electronic equipment and storage medium |
| CN111964650A (en) * | 2020-09-24 | 2020-11-20 | 南昌工程学院 | Underwater target tracking device |
| CN113391644B (en) * | 2021-06-11 | 2022-06-17 | 中新国际联合研究院 | Unmanned aerial vehicle shooting distance semi-automatic optimization method based on image information entropy |
| CN113362607B (en) * | 2021-08-10 | 2021-10-29 | 天津所托瑞安汽车科技有限公司 | Steering state-based blind area early warning method, device, equipment and medium |
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