CN102843517A - Image processing method and device as well as display equipment - Google Patents
Image processing method and device as well as display equipment Download PDFInfo
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- CN102843517A CN102843517A CN2012103243044A CN201210324304A CN102843517A CN 102843517 A CN102843517 A CN 102843517A CN 2012103243044 A CN2012103243044 A CN 2012103243044A CN 201210324304 A CN201210324304 A CN 201210324304A CN 102843517 A CN102843517 A CN 102843517A
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Abstract
The embodiment of the invention provides an image processing method and device as well as display equipment, belonging to the technical filed of image processing and being capable of reducing the visual difference between a displayed image and a corresponding real object. The image processing method comprises the steps of confirming a target image in a shooting image, confirming the shooting distance of the target image, and retouching the overall proportion of the target image according to the calculated ratio of the outline sizes of the real object corresponding to the target image and the target image, which are observed according to the shooting distance. The embodiment of the invention is applicable to the image processing.
Description
Technical field
The present invention relates to technical field of image processing, relate in particular to a kind of image processing method, device and display device.
Background technology
Human eyes similarly are cover digital camera fully automatically, have zoom lens, iris ring and can light signal be transformed into the signal of telecommunication that brain can be discerned.Normal person's eyes structure is identical, and is on the same horizontal plane of face, and the interocular distance between two is from being approximately 65mm.When noting a solid object, left eye sees that the left side of object is some more, and right eye sees that the right of object is some more, and like this, the video of three-dimensional thing on two eyes retinas had difference, and this species diversity is called binocular parallax.
The image-forming principle of the common imaging device of camera lens etc. is equivalent to single eyes in essence and looks thing, the just two dimensional image of seeing of object, and we can tell its height and width, and can't discern its degree of depth; In two dimensional image; Utilize relevant size that object provides and visual cues such as overlapping; We can judge the front and back ordering that is positioned at these objects before the background, but can't know but between them actually distance how far, so the corresponding common imaging of two dimensional image does not have binocular parallax.
There is not parallax and the imaging of human eyes has parallax based on the imaging of common imaging devices such as camera lens; The inventor finds because the influence of parallax, target object through camera lens in display device imaging will with the image of actual formation in human eyes difference to some extent.
Summary of the invention
Embodiments of the invention provide a kind of image processing method, device and display device, can reduce the difference that image and material object in the corresponding reality on the display device visually produce.
For achieving the above object, embodiments of the invention adopt following technical scheme:
First aspect provides a kind of image processing method, comprising:
Confirm the target image in the photographic images;
Confirm the shooting distance of said target image;
Repair the overall ratio of said target image self according to the big or small profile magnitude proportion of profile of the corresponding entity of the said target image of on said shooting distance, observing that calculates with said target image.
In first kind of possible implementation, in conjunction with first aspect, the overall ratio of the said target image of said finishing self comprises:
Level is compressed the overall ratio of said target image self.
In second kind of possible implementation, in conjunction with first aspect, this method also comprises:
The shooting distance of said definite said target image comprises:
The ratio that accounts for the display frame of said photographic images according to the profile scope of said target image is confirmed said shooting distance.
In the third possible implementation, in conjunction with first aspect, this method also comprises:
Obtain the corresponding photographic images of said arbitrary entity at the different arbitrary entities of shooting distance photographs, the corresponding photographic images of said arbitrary entity comprises said target image;
Set up the relation mapping table of the corresponding said ratio of said different shooting distance and said different shooting distance according to the profile magnitude proportion of the corresponding target image of the profile size of the said arbitrary figure entity on said different shooting distance, observed that calculates and said arbitrary entity.
In the 4th kind of possible implementation, in conjunction with first aspect, first kind of possible implementation, second kind of possible implementation or the third possible implementation, this method also comprises:
Adjust near the background of said target image according to the profile ratio of the said target image after the finishing;
Said target image after the finishing and near adjusted said background are synthesized complete image and export said complete image.
In the 5th kind of possible implementation; In conjunction with the 4th kind of possible implementation, near the said background of adjusting said target image according to the profile ratio of said target image after the finishing comprises: according near the stretch background of said target image of the profile ratio of the said target image after the finishing.
Second aspect provides a kind of image processing apparatus, comprising:
The image discriminating unit is used for confirming the target image of said photographic images;
Graphics processing unit; Be used for confirming the shooting distance of said target image, repair the overall ratio of said target image self according to the profile size and the profile magnitude proportion of said target image of the corresponding entity of the said target image of on said shooting distance, observing that calculates.
In first kind of possible implementation, in conjunction with second aspect,
Said graphics processing unit specifically is used for the overall ratio that level is compressed said target image self.
In second kind of possible implementation, in conjunction with second aspect,
Said graphics processing unit also is used for the ratio that profile scope according to said target image accounts for the display frame of said photographic images and confirms said shooting distance.
In the third possible implementation, in conjunction with second aspect, said device also comprises:
The image input unit is used for obtaining the corresponding photographic images of said arbitrary entity at the different arbitrary entities of shooting distance photographs, and the corresponding photographic images of said arbitrary entity comprises said target image;
The image management unit is used for setting up according to the profile magnitude proportion of the corresponding target image of the profile size of the said arbitrary figure entity on said different shooting distance, observed that calculates and said arbitrary entity the relation mapping table of the corresponding said ratio of said different shooting distance and said different shooting distance.
In the 4th kind of possible implementation,, comprising in conjunction with second aspect, first kind of possible implementation, second kind of possible implementation or the third possible implementation:
Said graphics processing unit also is used for, and adjusts near the background of said target image according to the profile ratio of adjusted said target image.
The image synthesis unit is used for said target image and near the synthetic complete image of adjusted said background after finishing;
The image output unit is used to export said complete image.
In the 5th kind of possible implementation, in conjunction with the 4th kind of possible implementation, said graphics processing unit specifically is used for according near the stretch background of said target image of said target image.
The third aspect provides a kind of display device, comprises graphics processing unit, and said graphics processing unit is above-mentioned arbitrary image processing apparatus.
The image processing method that embodiments of the invention provide, device and display device; Can repair the overall ratio of target image self with the ratio of the target image of shooting according to the corresponding entity of the target image on shooting distance, observed, thereby can reduce the difference that image and image material object in the corresponding reality on the display device visually produce.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The schematic flow sheet of a kind of image processing method that Fig. 1 provides for the embodiment of the invention;
The schematic flow sheet of the another kind of image processing method that Fig. 2 provides for the embodiment of the invention;
The structural representation of a kind of image processing apparatus that Fig. 3 provides for the embodiment of the invention;
The structural representation of the another kind of image processing apparatus that Fig. 4 provides for the embodiment of the invention;
A kind of binocular parallax principle schematic that Fig. 5 provides for the embodiment of the invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Embodiments of the invention provide a kind of image processing method, and are as shown in Figure 1, may further comprise the steps:
101, confirm target image in the photographic images.
102, confirm the shooting distance of target image.
Optional, the ratio that can adopt profile scope according to target image to account for the display frame of photographic images is here confirmed shooting distance, can certainly adopt distance measuring methods such as infrared distance measurement on the image picking-up apparatus to confirm the shooting distance of target image.
103, according to the profile size of the corresponding entity of the target image of on shooting distance, observing that calculates and the overall ratio of the profile magnitude proportion finishing target image self of target image.
Obviously repair the relative position of the overall ratio of target image self here, rather than the size of target image is carried out simple convergent-divergent adjustment in proportion for each point on the adjustment target image.
Optional, the overall ratio of finishing target image self specifically comprises: the overall ratio of horizontal compression goal image self.Certainly because human eye has its specific imaging principle, and this image-forming principle is a known technology, the profile size of the entity that the target image of therefore on shooting distance, observing is corresponding can be directly calculates according to the relevant parameter and the shooting distance of human eye.Here the scope of profile size is an image (can be image or the target image at the corresponding entity of the target image of observing on the shooting distance certainly here) when being in the quadrant plane of being made up of X axle and Y axle in addition, the scope that lines and lines surrounded that outermost border is formed on all directions.
The image processing method that embodiments of the invention provide; Can be according to the profile size of the corresponding entity of the target image of on shooting distance, observing that calculates and the overall ratio of the profile magnitude proportion finishing target image self of target image, thus the difference that image and image in the corresponding reality on the display device visually produce can be reduced.
Embodiments of the invention provide a kind of image processing method, and are as shown in Figure 2, may further comprise the steps:
201, confirm target image in the photographic images.
202, the ratio that accounts for the display frame of photographic images according to the profile scope of target image is confirmed shooting distance.
Concrete reference is shown in Figure 5, is example with target image behaviour object plane contouring, and human eye is similar to a precision with sophisticated functions and reconciles imaging device, because there is spacing L in people's eyes, therefore according to the binocular parallax formula:
Can know that the people can exist eyes to inspect when in kind on observing different sighting distances, wherein d is a perceived depth, and D is a sighting distance; R is a binocular parallax; θ is the eyes convergent angle, L be binocular interval wherein,
according to this; When distance surpasses 1300m; Binocular visual axis is parallel, and binocular parallax is zero, and is just inoperative to judging distance.But concerning photography and video recording technology, especially be directed against the photography and the video recording technology of the facial feature of personage, generally all in 20m, because eye-observation 20m feels the most comfortable with the things of interior scope.According to the principle of eye-observation comfort sense distance, the video of playing on our display device usually or key figure's part of image, major part all embodies the eye-observation of 20m with interior distance.
Concrete, be equivalent to the visual angle of human eye for general photographic equipment 50mm focal length, it is that the shooting distance minimum is about 0.5 meter that the effect of personage's video is equivalent to sighting distance; Be 20 meters to the maximum; Calculate target image and account for the ratio of whole display frame, when the target image folk prescription when size reaches the border of display frame, the setting sighting distance is 0.3m; When the folk prescription of target image to be of a size of display frame 1/20 the time; For parallax is zero imaging, confirm shooting distance in view of the above, target image generally is in the center of display frame horizontal direction or vertical direction during here owing to shooting; And unidirectional size is a reference direction with X-direction or the Y direction parallel with vertical direction with horizontal direction parallel generally, and certain unidirectional size also can be the arbitrary linearly extended direction in the quadrant of X axle and Y axle composition.
205, according to the profile size of the corresponding entity of the target image of on shooting distance, observing that calculates and the overall ratio of the profile magnitude proportion finishing target image self of target image.
Obviously repair the relative position of the overall ratio of target image self here, rather than the size of target image is carried out simple convergent-divergent adjustment in proportion for each point on the adjustment target image.
Optional, the overall ratio of finishing target image self specifically comprises: the overall ratio of horizontal compression goal image self.Certainly because human eye has its specific imaging principle, and this image-forming principle is a known technology, the profile size of the entity that the target image of therefore on shooting distance, observing is corresponding can be directly calculates according to the relevant parameter and the shooting distance of human eye.
Certainly before step 205, can also comprise:
203, obtain the corresponding photographic images of arbitrary entity at the different arbitrary entities of shooting distance photographs, the photographic images that this arbitrary entity is corresponding comprises target image;
204, set up the relation mapping table of this corresponding ratio of different shooting distances and different shooting distances according to the profile magnitude proportion of the corresponding target image of the profile size of the arbitrary entity on different shooting distances, observed that calculates and this arbitrary entity.
More than, can be with the image division on the display device for being up to minimum.The display setting maximum about 25cm of adjustment when being to(for) screen height is of a size of 6.3mm; Promptly in target image profile scope with its level compression 6.3mm, and be of a size of hour when showing, then need not to compress; In the time of in the middle of this, need proportionally compress.All the other need not be handled, so the maximum that we will adjust is 6.3mm, minimum value is 0mm.Wherein, this peaked numerical value will be adjusted according to the size of display, is the display about 25cm for screen height, can adjust for maximum adjustment surplus according to 6.3mm, and remaining carries out suitable adjusting according to linear scale.The adjusting surplus of big display is big, and the adjusting surplus of little display is little.Set up the mapping relations of adjusting ratio and shooting distance in view of the above, after confirming shooting distance, just can adopt corresponding resize ratio that target image is adjusted.
After, when arbitrary image is handled.In certain shooting distance, can be according to existing relation mapping table, find the corresponding entity of this image therewith image concern ratio, this image is carried out the adjusting of overall ratio, obtain required effect.
206, adjust near the background of target image according to the profile ratio of the target image after the finishing;
Optional, be specially near background according to the profile ratio stretching target image of the target image after the finishing.
207, near the synthetic complete image of the background of target image after will repairing and adjusted target image and export this complete image.
Concrete; Image is synthetic can be accomplished through the stack of figure layer; Observe synthetic situation from the image manipulation window, near range upon range of being added to together of figure of the background of target image after repairing and adjusted target image, for the figure layer that makes the target image after the finishing does not block near the figure layer of the background of adjusted target image; Need a lot of methods to solve this problem, go the whole bag of tricks such as background, stingy figure, masking-out to realize.
This principle can directly apply to the adjusting of facial contour, makes personage and the fat or thin degree of the personage in the real life in the plane picture approaching basically.
The image processing method that embodiments of the invention provide; Can be according to the profile size of the corresponding entity of the target image of on shooting distance, observing that calculates and the overall ratio of the profile magnitude proportion finishing target image self of target image, thus the difference that image and image in the corresponding reality on the display device visually produce can be reduced.Be same as, because near the adjustment of the background around the image, make the image of plane in showing harmonious, make more perfection of visual effect with image outline size in the corresponding real life.
Embodiments of the invention provide a kind of image processing apparatus 3, and with reference to shown in Figure 3, this equipment comprises:
Optional, graphics processing unit 32 specifically is used for the ratio that profile scope according to target image accounts for the display frame of photographic images and confirms shooting distance.
The image processing apparatus that embodiments of the invention provide; Can be according to the profile size of the corresponding entity of the target image of on shooting distance, observing that calculates and the overall ratio of the profile magnitude proportion finishing target image self of target image, thus the difference that image and image in the corresponding reality on the display device visually produce can be reduced.
Embodiments of the invention provide a kind of image processing apparatus 3; With reference to shown in Figure 4; This equipment comprises: image discriminating unit 31, graphics processing unit 32, image input unit 33, image management unit 34, image synthesis unit 35, image output unit 36, wherein:
Concrete, graphics processing unit 32 specifically is used for the overall ratio of horizontal compression goal image self.
Optional, graphics processing unit 32 also is used for the ratio that profile scope according to target image accounts for the display frame of photographic images and confirms shooting distance.
Optional, graphics processing unit 32 is specially near the background according to the profile ratio stretching target image of the target image after the finishing.
The image processing apparatus that embodiments of the invention provide; Can be according to the profile size of the corresponding entity of the target image of on shooting distance, observing that calculates and the overall ratio of the profile magnitude proportion finishing target image self of target image, thus the difference that image and image in the corresponding reality on the display device visually produce can be reduced.Be same as, because near the adjustment of the background around the image, make the image of plane in showing harmonious, make more perfection of visual effect with image outline size in the corresponding real life.
Embodiments of the invention provide a kind of display device 4, comprising:
Related arbitrary image processing apparatus in the foregoing description, this display device can be palmtop PC, e-book, the shooting that has display unit or camera installation etc. certainly.
The display device that embodiments of the invention provide; Can be according to the profile size of the corresponding entity of the target image of on shooting distance, observing that calculates and the overall ratio of the profile magnitude proportion finishing target image self of target image, thus the difference that image and image in the corresponding reality on the display device visually produce can be reduced.Be same as, because near the adjustment of the background around the image, make the image of plane in showing harmonious, make more perfection of visual effect with image outline size in the corresponding real life.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be accomplished through the relevant hardware of program command; Aforesaid program can be stored in the computer read/write memory medium; This program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as read-only memory (Read Only Memory is called for short ROM), random asccess memory (Random Access Memory is called for short RAM), magnetic disc or CD.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; Can expect easily changing or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of said claim.
Claims (13)
1. an image processing method is characterized in that, comprising:
Confirm the target image in the photographic images;
Confirm the shooting distance of said target image;
Repair the overall ratio of said target image self according to the big or small profile magnitude proportion of profile of the corresponding entity of the said target image of on said shooting distance, observing that calculates with said target image.
2. method according to claim 1 is characterized in that, the overall ratio of the said target image of said finishing self comprises:
Level is compressed the overall ratio of said target image self.
3. method according to claim 1 is characterized in that, the shooting distance of said definite said target image comprises:
The ratio that accounts for the display frame of said photographic images according to the profile scope of said target image is confirmed said shooting distance.
4. method according to claim 1 is characterized in that, said method also comprises:
Obtain the corresponding photographic images of said arbitrary entity at the different arbitrary entities of shooting distance photographs, the corresponding photographic images of said arbitrary entity comprises said target image;
Set up the relation mapping table of the corresponding said ratio of said different shooting distance and said different shooting distance according to the profile magnitude proportion of the corresponding target image of the profile size of the said arbitrary entity on said different shooting distance, observed that calculates and said arbitrary entity.
5. according to each described method in the claim 1～4, it is characterized in that said method also comprises:
Adjust near the background of said target image according to the profile ratio of the said target image after the finishing;
Said target image after the finishing and near adjusted said background are synthesized complete image and export said complete image.
6. method according to claim 5 is characterized in that, near the background that said profile ratio according to the said target image after the finishing is adjusted said target image comprises:
According near the stretch background of said target image of the profile ratio of said target image after the finishing.
7. an image processing apparatus is characterized in that, comprising:
The image discriminating unit is used for confirming the target image of said photographic images;
Graphics processing unit; Be used for confirming the shooting distance of said target image, repair the overall ratio of said target image self according to the profile size and the profile magnitude proportion of said target image of the corresponding entity of the said target image of on said shooting distance, observing that calculates.
8. image processing apparatus according to claim 7 is characterized in that, said graphics processing unit specifically is used for the overall ratio that level is compressed said target image self.
9. image processing apparatus according to claim 7 is characterized in that,
Said graphics processing unit also is used for the ratio that profile scope according to said target image accounts for the display frame of said photographic images and confirms said shooting distance.
10. equipment according to claim 7 is characterized in that, said device also comprises:
The image input unit is used for obtaining the corresponding photographic images of said arbitrary entity at the different arbitrary entities of shooting distance photographs, and the corresponding photographic images of said arbitrary entity comprises said target image;
The image management unit is used for setting up according to the profile magnitude proportion of the corresponding target image of the profile size of the said arbitrary entity on said different shooting distance, observed that calculates and said arbitrary entity the relation mapping table of the corresponding said ratio of said different shooting distance and said different shooting distance.
11. according to each described equipment in the claim 7～10, it is characterized in that, comprising:
Said graphics processing unit also is used for, and adjusts near the background of said target image according to the profile ratio of adjusted said target image;
The image synthesis unit is used for said target image after the finishing and near the synthetic complete image of adjusted said background;
The image output unit is used to export said complete image.
12. equipment according to claim 11 is characterized in that, said graphics processing unit specifically is used for according near the stretch background of said target image of the profile ratio of said target image after the finishing.
13. a display device is characterized in that, comprises the described arbitrary image processing apparatus of claim 7～12.
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| CN113362607A (en) * | 2021-08-10 | 2021-09-07 | 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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