CN102724398B - Image data providing method, combination method thereof, and presentation method thereof - Google Patents
Image data providing method, combination method thereof, and presentation method thereof Download PDFInfo
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Abstract
The invention provides an image data providing method, an image data combination method, and an image data presentation method. The image data providing method comprises the following steps of: obtaining a distance between a photographing apparatus and a focal plane and a current focal length of the photographing apparatus when shooting an image; extracting position information of a shot subject on the focal plane in the shot image; according to the obtained distance between the photographing apparatus and the focal plane and the current focal length of the photographing apparatus, calculating a corresponding relationship between an imaging size and an actual size of the shot subject; and providing the position information of the shot subject, the corresponding relationship, and the shot image together in association as image data of the shot image.
Description
Technical field
The present invention relates to the offer of view data, combination and rendering method, and more particularly to a kind of band shooting image
When focal plane on be taken the offer of the view data of actual size information, combination and the rendering method of main body.
Background technology
At present, photographing unit only obtains captured image after the picture is taken, but has no idea from captured image
Extract captured main body and obtain the actual size of captured main body.
The actual size of object in patent documentation CN101183206 it is proposed that in image captured by a kind of acquisition
Method, wherein, initially sets up the form of the corresponding relation of focusing step number and object distance, is then passed through defocused table look at can be obtained
Know actual object distance, finally utilize " object distance/thing height=image distance/image height " computing formula high to calculate thing.However, the method exists
Following defect：The main body that is taken on the focal plane when calibrating in shooting image in captured image is not it is impossible to obtain
The positional information of the main body that must be taken, and correspondingly can not automatically extract the view data of the main body that is taken.And then, utilize
The view data of the captured image that the method obtains can not be combined with another image.
Accordingly, it would be desirable to a kind of new view data provides method, view data combination method and the view data side of presenting
Method.
Content of the invention
Propose the present invention in view of the problems referred to above.According to the present invention, by obtain in shooting image capture apparatus with
The distance between focal plane and described capture apparatus the imaging of the main body that is taken to be calculated on focal plane when front focal length
Corresponding relation between size and actual size, extracts the position letter in captured image for the main body that is taken on focal plane
Breath, thus provide the view data of the captured image comprising the described positional information shooting main body and described corresponding relation.
The picture number of the main body that is taken can easily be extracted from the view data of the captured image being obtained on focal plane
According to, and easily the view data of the main body that is taken on the focal plane being extracted is combined with another image to obtain new figure
Picture.
According to an aspect of the present invention, there is provided a kind of view data provides method, the method includes：Obtain in shooting figure
During picture, the distance between capture apparatus and focal plane and described capture apparatus works as front focal length；Extract the quilt on focal plane
Shoot positional information in captured image for the main body；According to the distance between acquired capture apparatus and focal plane with
And described capture apparatus work as front focal length, the corresponding pass between the imaging size of the main body that is taken described in calculating and actual size
System；And by the positional information of the described main body that is taken and described corresponding relation, be associated together with captured image
Ground provides the view data as captured image.
Be taken described in the comprising positional information of main body and the reality of the described main body that is taken can be obtained using the method
Border dimension information is in the view data of interior captured image.
Preferably, the method further includes：The distance between capture apparatus and focal plane are taken together with described
The positional information of main body, described corresponding relation are provided in association with the image as captured image together with captured image
Data.
Corresponding relation between the imaging size of the described main body that is taken and actual size can be：In captured image
A pixel and described focal plane in physical length and/or the corresponding relation of height or each described in be taken master
Concrete corresponding relation between the imaging size of body and actual size.
Preferably, the described main body that is taken can be one or more.The positional information of the described main body that is taken can wrap
The main body that is taken described in including is enclosed in the appearance profile being represented with pixel in captured image or in captured image
Coordinate position around a regular shape of the described main body that is taken.
Preferably, described regular shape can be rectangle, circle, ellipse or rhombus.
According to a further aspect in the invention, there is provided a kind of view data combines method, for by image to be combined
Be taken body combination in benchmark image, the view data of described image to be combined includes the position of main body that is wherein taken
Corresponding relation between information, the imaging size of the main body that is taken and actual size, and the view data of described benchmark image
The corresponding relation including wherein being taken between the imaging size of main body and actual size, methods described includes：From described base
The corresponding relation between the imaging size of the main body that is wherein taken and actual size is obtained in the view data of quasi- image；From described
Extract the view data of the main body that is wherein taken in the view data of image to be combined, and obtain the imaging size of the main body that is taken
Corresponding relation and actual size between；According between the imaging size of the main body that is taken in described benchmark image and actual size
Corresponding relation and described image to be combined in the corresponding relation that is taken between the imaging size of main body and actual size,
Determine the first scaling of pixel in the view data of main body that is taken extracted；According to described first scaling, repair
Change the view data of the main body that is taken extracted so that meeting imaging size and the reality of the main body that is taken in described benchmark image
Corresponding relation between the size of border；Arrange the main body that is taken in described image to be combined be added to residing in described benchmark image
Position；And according to set position, by the image data set of the main body that is taken in amended described image to be combined
Close in the view data of described benchmark image.
Preferably, the method further includes：To be taken in described benchmark image main body and be newly incorporated to benchmark image
The positional information of the main body that is taken and described benchmark image in be taken between the imaging size of main body and actual size
Corresponding relation, is provided in association with as amended view data together with amended benchmark image.
The view data of described benchmark image further include to shoot the capture apparatus of described benchmark image with its focus flat
The distance between face information.
Preferably, the method further includes：Obtain from the view data of described benchmark image described capture apparatus with
The distance between its focal plane；Be taken in described image to be combined the distance between main body and described capture apparatus are set,
And the distance between the capture apparatus according to set distance and described benchmark image and its focal plane, determine projection
Coefficient；And calculate the second scaling using described projection coefficient with described first scaling, and according to the described second contracting
The view data putting the main body that is taken that ratio modification is extracted is so that meet the imaging of the main body that is taken in described benchmark image
Corresponding relation between size and actual size.
In this case it is preferably to, the method further includes：By between described capture apparatus and its focal plane away from
The main body that is taken in together with described benchmark image and be newly incorporated to the positional information of the main body that is taken of benchmark image, described base
The imaging size of the main body that is taken in quasi- image phase together with the corresponding relation between actual size and amended benchmark image
Associatedly provide as amended view data.
According to another aspect of the invention, there is provided a kind of view data rendering method, wherein it is taken according in image
The actual size of main body has in described image, come the main body that is taken described in presenting, the view data of described image, the main body that is taken
Imaging size and actual size between correspondence relationship information, methods described includes：Obtain the display screen of display device
Actual size, and obtain the current resolution of this display screen；Obtain imaging size and the reality of the main body that is taken in described image
Correspondence relationship information between the size of border；Actual size according to described display screen and current resolution and described shooting
Correspondence relationship information between the imaging size of main body and actual size is determining the scaling of pixel in described image；And
Show described image according to described scaling.
Preferably, obtain the correspondence relationship information between the imaging size of the main body that is taken in described image and actual size
For obtaining the corresponding relation of the physical length in a pixel and described focal plane in described image and/or height.
Preferably, the actual size according to described display screen and current resolution and the described imaging shooting main body
Correspondence relationship information between size and actual size further includes come the scaling to determine pixel in described image：According to
The actual size of described display screen and current resolution calculate one of described display screen pixel and physical length and/or
The corresponding relation of height；And the corresponding relation based on one of described display screen pixel and physical length and/or height
And the corresponding relation of the physical length in a pixel and described focal plane in described image and/or height is described to determine
The scaling of pixel in image.
Alternatively, obtain the correspondence relationship information between the imaging size of the main body that is taken in described image and actual size
For obtaining actual size and the imaging size of the main body that is taken in described image.
Preferably, the actual size according to described display screen and current resolution and the described imaging shooting main body
Correspondence relationship information between size and actual size includes come the scaling to determine pixel in described image：According to described aobvious
The actual size of display screen curtain and current resolution calculate one of described display screen pixel and physical length and/or height
Corresponding relation；Show described in the case of determining the main body that is taken described in showing in the actual size according to the described main body that is taken
Number of pixels used in display screen curtain；And described image is determined based on the imaging size of this number of pixels and the main body that is taken
The scaling of middle pixel.
Preferably, further include according to described scaling display described image：From the view data of described image
The positional information of the main body that is taken described in acquisition；The picture number of the main body that is taken described in extracting from the view data of described image
According to；And the view data of the main body that is taken described in being extracted only is shown according to described scaling.
There is provided method can provide the actual size letter with the main body that is taken in image using the view data of the present invention
The view data of breath, thus can readily determine that described in be taken the actual size of main body, and then can be clapped according to described
Actual size 1: 1 ground taking the photograph main body is shown on the display screen of display device.Furthermore, it is possible to easily combination is with each
The view data of the multiple images of actual size information of the main body that is taken from image.
Brief description
Fig. 1 shows the flow chart that the view data according to the present invention provides method.
Fig. 2 shows the schematic diagram of the triangle proportionate relationship between image distance, object distance, imaging size and actual size.
The flow chart that Fig. 3 shows the view data rendering method according to the present invention.
The flow chart that Fig. 4 shows the first embodiment of view data rendering method shown in Fig. 3.
The flow chart that Fig. 5 shows the second embodiment of view data rendering method shown in Fig. 3.
The flow chart that Fig. 6 shows the first embodiment of the view data combination method according to the present invention.
The flow chart that Fig. 7 shows the second embodiment of the view data combination method according to the present invention.
Specific embodiment
Hereinafter, will be described in detail with reference to accompanying drawings the view data according to the present invention provides method, view data combination side
Method and view data rendering method.
First, provide method 100 by describing view data according to embodiments of the present invention in detail with reference to Fig. 1.
View data according to embodiments of the present invention provides method to start at step S101.
In step S110, obtain in shooting image capture apparatus and the distance between focal plane (that is, object distance) and
Described capture apparatus when front focal length (that is, image distance).
The existing capture apparatus of such as photographing unit, video camera etc need in shooting image
Being focused, view data according to embodiments of the present invention provides this work that method utilizes existing capture apparatus special to target
Property, obtain and record the distance between described capture apparatus and focal plane and described capture apparatus works as front focal length, so that
For calculating the actual size of the main body that is taken.
As an example, described capture apparatus can be by launching infrared ray or ultrasound wave to the described main body and connecing of being taken
Receive the infrared ray being reflected back from the described main body that is taken or ultrasound wave to calculate capture apparatus and the distance between the main body that is taken.
As another example, described capture apparatus can work as front focal length and the described main body that is taken captured according to it
Imaging size in image, to calculate capture apparatus and the distance between the main body that is taken.
As another example, described capture apparatus can include multiple camera lenses, by the plurality of camera lens respectively to being clapped
Take the photograph main body to be imaged, the image then being shot respectively using position relationship and the plurality of camera lens of the plurality of camera lens Lai
Calculate the distance of the main body that is taken.This multi-lens imaging technology is widely used in 3D rendering process, and here is not gone to live in the household of one's in-laws on getting married
State.
Although the several method that obtain capture apparatus and focal plane the distance between is presented above, the present invention is not
Be limited to this, it should be appreciated by those skilled in the art that obviously can be obtained using alternate manner capture apparatus and focal plane it
Between distance, such as, the distance between direct measurement capture apparatus and focal plane.
Then, in step 120, extract the positional information in captured image for the main body that is taken on focal plane.
As it was previously stated, being required for first when the existing capture apparatus of such as photographing unit, video camera etc are in shooting image
To be taken, main body is focused for target, need artificially to specify in focus process be taken main body or by shoot
Equipment is automatically selected the main body that is taken and is focused.For example, in some capture apparatus, the main body that is taken is directed at by cameraman
By manual adjustment focal length come shooting image；Or in some capture apparatus with Touch screen, can touched by cameraman
The main body that selects to be taken is touched on screen, then by capture apparatus auto-focusing；Or in other capture apparatus, can be by taking the photograph
Shadow person selectes a scene in view finder, then passes through that capture apparatus are automatically selected to be taken main body and auto-focusing.No matter exist
In above-mentioned any situation, focusing is all carried out premised on selecting the main body that is taken.
View data according to embodiments of the present invention provides method exactly to utilize this characteristic of capture apparatus, is shooting
Calibrate the main body that is taken in journey, specifically, in shooting process using the main body that is taken as focal zone, and demarcate institute
State positional information in captured image for the focal zone.Select the situation being taken main body and being focused on the touchscreen
Under, extract the positional information in captured image for the main body that is taken selected.
Additionally, view data according to embodiments of the present invention provides that method can be used for previously having been taken by and stores
View data in a storage medium, but this view data need with regard to shoot correspondence image when capture apparatus with right
The distance between focal plane (that is, object distance) and the information when front focal length of described capture apparatus.Specifically, for this feelings
Condition, needs to obtain described object distance and focal length in shooting image, and by the object distance being obtained and focal length and captured image
Store in association；Then, by artificially specifying or by other means (such as, Color judgment on images etc.) in the figure being stored
As calibrating the main body that is taken in data, and correspondingly obtain the positional information of the main body that is taken.The position of the described main body that is taken
Confidence breath can with pixel represent described in be taken main body appearance profile or in captured image around described
The coordinate position of one regular shape of the main body that is taken.Described regular shape can set as the case may be, and can be
Rectangle, circle, ellipse or rhombus.
In view of there is the situation of Multi-point focusing in capture apparatus, it will therefore be noted that the described main body that is taken is not limited to one,
And can be one or more.
Next, in step S130, according to acquired object distance and image distance, the imaging size of the main body that is taken described in calculating
Corresponding relation and actual size between.Preferably, corresponding between the imaging size of the described main body that is taken and actual size
Relation is one of following corresponding relation：Physical length in one of captured image pixel and described focal plane and/
Or the specifically corresponding pass between the corresponding relation of height or the imaging size of the main body that is taken described in each and actual size
System.
Specifically, calculate the actual chi of the main body that is taken using " object distance/image distance=thing height/image height " computing formula
Very little corresponding relation and imaging size between, that is,：Reality in one of captured image pixel and described focal plane
Length and/or the corresponding relation of height.Figure 2 illustrates the triangle proportionate relationship between image distance, object distance and image height, thing height.
Or, after obtaining the corresponding relation being taken between the actual size of main body and imaging size, it is taken main body according to one
Concrete imaging size calculating its actual size, and the imaging size of this main body that is taken and actual size are provided simultaneously.
Next, in step S140, by the positional information of the described main body that is taken and described corresponding relation, together with being clapped
The image taken the photograph is provided in association with the view data as captured image together.The view data of captured image is therefore not only
Be taken including captured image but also described in including the positional information of main body and the actual chi of the described main body that is taken
Very little corresponding relation and imaging size between.Thus, the reality of the main body that is taken can be obtained using the view data being provided
Size is possibly realized so that carrying out display according to the actual size of the described main body that is taken.
Preferably, in step S150, also by the distance between capture apparatus and focal plane and the described main body that is taken
Positional information, described corresponding relation are provided in association with the view data as captured image together with captured image.
The view data of captured image therefore not only includes captured image but also includes described capture apparatus and focal plane
The distance between, between the actual size of the positional information of the described main body that is taken and the described main body that is taken and imaging size
Corresponding relation.Thus, the actual size of the main body that is taken not only can be obtained using the view data being provided, and make
Other body combination that are taken are possibly realized to this view data with the view data forming combination.
View data according to embodiments of the present invention provides method 100 to terminate in step S199.
Although superincumbent description between step S110 and S130 execution step S120, the invention is not restricted to
This.In the case of in shooting image and providing view data as above, step S110 and S130 can be first carried out simultaneously
Then execution step S120 again；Or can step S120 and step S110 and S130 executed in parallel as illustrated in fig. 1.
Additionally, in shooting image and storing the object distance together with capture apparatus for the captured image and the situation of focal length
Under, execution step S110 and S120 can extract object distance and Jiao of capture apparatus from the captured image data being stored simultaneously
Away from and the positional information in captured image for the main body that is taken, then execution step S130 again.
As described above, utilizing the view data that view data offer method 100 according to embodiments of the present invention provides not only
Including captured image but also include the described shooting positional information of main body and the actual size of the described main body that is taken
Corresponding relation and imaging size between.
Next, view data rendering method 300 according to embodiments of the present invention will be described with reference to Figure 3.Described image
Data has the correspondence relationship information between the imaging size of the main body that is wherein taken and actual size, this view data side of presenting
Method 300 according to the actual size of the main body that is taken to present described in be taken main body.
In order to be taken described in presenting according to the actual size of the main body that is taken main body it is thus necessary to determine that display device aobvious
The actual size of display screen curtain and the actual size of the main body that is taken, it is then determined that in described image the scaling of pixel is simultaneously
According to this scaling, display is zoomed in and out to described image.
First, view data rendering method according to embodiments of the present invention starts in step S301.
In step S310, obtain the actual size of the display screen of display device, and obtain current point of this display screen
Resolution.
It is known that, conventionally, the actual size of the display screen of display device.For example, for conventional display curtain, in fact
Border size need to follow certain standard.Or, in the case that the actual size of the display screen of display device is unknown or
In the case that the display screen of display device is non-standard display screen, the actual size of display screen can be measured.
In addition, display device often can provide multiple resolution, user can select a kind of resolution, and selected
Resolution under using display device display image.
In step S320, obtain the corresponding pass between the imaging size of the main body that is taken in described image and actual size
System.As it was previously stated, have the corresponding pass between the imaging size of the main body that is wherein taken and actual size in described image data
It is information.
In step S330, the actual size according to described display screen and current resolution and the described main body that shoots
Correspondence relationship information between imaging size and actual size is determining the scaling of pixel in described image.Then, in step
Rapid S340, shows described image according to described scaling.
View data rendering method according to embodiments of the present invention terminates in step S399.
First embodiment
The first embodiment of the view data rendering method shown in Fig. 3 to be described below in conjunction with Fig. 4.
First, in view data rendering method 400, in step S410, obtain the reality of the display screen of display device
Size, and obtain the current resolution of this display screen.
In step S420, obtain from described image data in one of captured image pixel and described focal plane
Physical length and/or height corresponding relation.Alternatively, can be obtained each in step S420 from described image data
Concrete corresponding relation between the imaging size of the described main body that is taken and actual size, it is possible to use this concrete corresponding relation changes
Calculate the corresponding relation of physical length in one of captured image pixel and described focal plane and/or height.
Then, in step S430, the actual size according to described display screen and current resolution calculate described display screen
One of curtain pixel and the corresponding relation of physical length and/or height, and determined described based on above-mentioned two corresponding relation
The scaling of pixel in image.
Specifically, in the actual size of the display screen obtaining display device and the current resolution of this display screen
Afterwards it may be determined that pel spacing under the current resolution of this display screen, i.e. the distance between two neighbors, institute
State the corresponding relation that pel spacing can be considered one of described display screen pixel and physical length and/or height,
I.e. physical length represented by a pixel and/or height.For example, the actual size in display screen is (X, Y) and current point
In the case that resolution is (W, H), pel spacing can be calculated as (X/W, Y/H), wherein X/W is horizontal pixel pitch, Y/H is
Vertical pixel pitch, and X/W can be equal or different to Y/H.That is, display screen is under current resolution, one
Physical length corresponding to pixel is X/W, and corresponding actual height is Y/H.
Physical length in a pixel and described focal plane in consideration described image and/or the corresponding relation of height
For：Physical length corresponding to one pixel is IX/IW, and corresponding actual height is IY/IH.
Then, the scaling of pixel in described image is determined using above-mentioned two corresponding relation.For example, display screen
Physical length corresponding in current resolution next one pixel and height are 0.1mm, i.e. X/W=Y/H=0.1mm, and
In described image, the physical length corresponding to a pixel and height are 0.2mm, i.e. IX/IW=IY/IH=0.2mm.Therefore,
The scaling that can determine pixel in described image is：
Finally, in step S440, show described image according to described scaling.For example, to the pixel in described image
Carry out interpolative operation to obtain the number of pixels of the number of pixels four times (2 × 2) being equal in described image, the new image obtaining
One of data pixel corresponds to a pixel on display screen；Or merely with the part picture in described display screen
Element is shown：Only odd-numbered line odd column pixel, only odd-numbered line even column pixels, only even number line odd column pixel or only even
Several rows even column pixels.
Alternatively, in step S440, the positional information of the main body that is taken described in acquisition, only show described according to described ratio
Be taken main body, and does not show the other parts in described image.
Second embodiment
Next, the second embodiment of the view data rendering method shown in Fig. 3 will be described with reference to Fig. 5.
In view data rendering method 500, in step S510, obtain the actual size of the display screen of display device,
And obtain the current resolution of this display screen.
In step S520, obtain actual size and the imaging size of the main body that is taken in described image.In described image number
In the case of the concrete corresponding relation between the middle imaging size that the main body that is taken described in each is provided and actual size, directly
The actual size of the main body that is taken is obtained from described image data.Alternatively, described image data provides captured figure
In the case of the corresponding relation of the physical length in one of picture pixel and described focal plane and/or height, need into one
Step obtains the imaging size of the main body that is taken in captured image from described image data, and and then utilizes described corresponding relation
To converse the actual size of the main body that is taken.
Then, in step S530, the actual size according to described display screen and current resolution calculate described display screen
One of curtain pixel and the corresponding relation of physical length and/or height, determine in the actual chi according to the described main body that is taken
In the case of the main body that is taken described in very little display, number of pixels used in described display screen, is then based on this number of pixels
To determine the scaling of pixel in described image with the imaging size of the main body that is taken.
As an example, obtain horizontal pixel pitch X/W of display screen with identical mode in first embodiment and hang down
Straight pel spacing Y/H.
The physical length of the main body that is taken described in consideration is PX, and actual height is PY, and corresponding pixels across number is
IPW, and corresponding longitudinal number of pixels be IPH.
Physical length PX according to the described main body that is taken and the horizontal pixel pitch of actual height PY and display screen
X/W and vertical pixel pitch Y/H, can calculate the master that is taken described in showing in the actual size according to the described main body that is taken
Required number of pixels in described display screen in the case of body, that is,：
NX=PX/ (X/W)=(PX × W)/X
NY=PY/ (Y/H)=(PY × H)/Y
Further, the imaging size of the main body that is taken in described image, the imaging pixel number representing are obtained with pixel
Mesh (IX, IY).Show number of pixels (NX, NY) and the main body that is taken being taken needed for main body using calculated completely
Imaging pixel number (IX, IY), to determine the scaling of pixel in described image, that is,：
RX=NX/IX
RY=NY/IY
For example, the number of pixels (NX, NY) being taken needed for main body imaging of the main body that is taken for (1000,2000)
Number of pixels (IX, IY) is (2000,4000), then in described image, the scaling of pixel is：RX=RY=1/2.
Next, in step S540, showing described image according to described scaling.For example, to the picture in described image
Element is extracted to be obtained the number of pixels of the number of pixels a quarter (1/ (2 × 2)) being equal in described image times, newly obtains
One of the view data obtaining pixel corresponds to a pixel on display screen；Or merely with one in described image
Divide pixel：Only odd-numbered line odd column pixel, only odd-numbered line even column pixels, only even number line odd column pixel or only even number line
Even column pixels.
Alternatively, in step S540, the positional information of the main body that is taken described in acquisition, only show described according to described ratio
Be taken main body, and does not show the other parts in described image.
Although giving knot in the middle of each to describe clear in the foregoing description of first embodiment and second embodiment
Really, for example, the horizontal pixel pitch of display screen and vertical pixel pitch, but the invention is not restricted to this.People in the art
Member is easy to understand, can directly utilize in the actual size and current resolution and captured image of described display screen
Obtain every in the corresponding relation of the physical length in one pixel and described focal plane and/or height or described image data
Concrete corresponding relation between the imaging size of the individual described main body that is taken and actual size obtains described scaling.
Next, the view data to describe with reference to Fig. 6 and Fig. 7 according to the present invention is combined method.
Show in Fig. 6 that the view data according to the present invention combines the first embodiment of method.In this first embodiment,
This view data combination method is by the body combination that is taken in image to be combined (hereinafter, referred to the second image) to reference map
As, in (hereinafter, referred to the first image), the view data of described second image includes the position letter of main body that is wherein taken
Corresponding relation between breath, the imaging size of the main body that is taken and actual size, and in the view data of described first image
Corresponding relation between imaging size including the main body that is wherein taken and actual size.
Started in step S601 according to the view data combination method 600 of this first embodiment.
First, from the view data of described first image, in step S610, obtain the imaging chi of the main body that is wherein taken
Very little corresponding relation and actual size between.As it was previously stated, it is corresponding between the imaging size of the main body that is taken and actual size
Relation can be one of following corresponding relation：Physical length in one of captured image pixel and described focal plane
And/or it is concrete corresponding between the corresponding relation of height or the imaging size of the main body that is taken described in each and actual size
Relation.
In step S620, extract the view data of the main body that is wherein taken from the view data of described second image, and
Obtain the corresponding relation between the imaging size of the main body that is taken and actual size.As an example, from the figure of described second image
Be taken as described in obtain in data the positional information of main body, and the view data of the main body that is taken described in extracting accordingly.
In step S630, according to corresponding between the imaging size of the main body that is taken in described benchmark image and actual size
Corresponding relation between the imaging size of the main body that is taken in relation and described image to be combined and actual size, determines institute
The scaling of the view data of the main body that is taken extracted.Then in step S640, according to described scaling, modification is carried
The view data of the main body that is taken taking is so that meet imaging size and the actual size of the main body that is taken in described benchmark image
Between corresponding relation.
Taking four kinds of situations to be as a example introduced below.
The first situation：Between the imaging size of the main body that is taken in described benchmark image (the first image) and actual size
Corresponding relation (the first corresponding relation) and described image to be combined (the second image) in be taken main body imaging size with
Corresponding relation (the second corresponding relation) between actual size is all one of captured image pixel and described focal plane
In physical length and/or height corresponding relation.
In this case, it is possible to directly the second corresponding relation and the first corresponding relation are divided by obtain a scaling,
And adjust the view data of the main body that is taken extracted according to this scaling, to meet being clapped in the first image
Take the photograph the corresponding relation between the imaging size of main body and actual size.For example, correspond to for a pixel in the first corresponding relation
2cm and the second corresponding relation are in the case that a pixel corresponds to 6cm, and described scaling is 3, i.e. need to being extracted
The view data of shooting main body carry out interpolation, specifically, be inserted into two pixels between two pixels.
Second situation：Between the imaging size of the main body that is taken in described benchmark image (the first image) and actual size
Corresponding relation (the first corresponding relation) be one of captured image pixel with described focal plane in physical length and/
Or the imaging size of the main body that is taken in the corresponding relation of height, and described image to be combined (the second image) and actual size
Between corresponding relation (the second corresponding relation) be the tool being taken between the imaging size of main body and actual size described in each
Body corresponding relation.
In the case, using one in actual size and the described benchmark image of the main body that is taken in described second image
Physical length in pixel and described focal plane and/or the corresponding relation of height, calculate the master that is taken in described second image
Imaging size in described first image for the body, i.e. number of pixels.It is then possible to using the main body that is taken in described second image
Imaging size and described second image that calculated in be taken imaging size in described first image for the main body, come
Calculate the scaling of pixel in the image of the main body that is taken.Finally, according to this scaling to the main body that is taken extracted
View data zoom in and out.
For example, it is contemplated that the imaging size of the main body that is taken in described second image is (1000,2000) and calculated
Imaging size (500,1000) in described first image for the main body that is taken in described second image, then need to be extracted
The number of pixels of the main body that is taken is reduced to the 1/4 of original pixel number.Can consider merely with the main body that is taken extracted
A part in view data：Only odd-numbered line odd column pixel, only odd-numbered line even column pixels, only even number line odd column pixel,
Or only even number line even column pixels.
For example, it is contemplated that the imaging size of the main body that is taken in described second image is (500,1000) and calculated
Imaging size (1000,2000) in described first image for the main body that is taken in described second image, then need to be extracted
The number of pixels of the main body that is taken increase to 4 times of original pixel number.The picture to the main body that is taken extracted can be considered
Element carries out interpolative operation to obtain the number of pixels being equal to four times of the number of pixels of the main body that is taken being extracted, new acquisition
One of view data pixel corresponds to one of described first image pixel.
The third situation：Between the imaging size of the main body that is taken in described benchmark image (the first image) and actual size
Corresponding relation (the first corresponding relation) and described image to be combined (the second image) in be taken main body imaging size with
Corresponding relation (the second corresponding relation) between actual size is all to be taken imaging size and the actual chi of main body described in each
Concrete corresponding relation between very little.
In this case, it is possible to this concrete corresponding relation is scaled one of captured image pixel and described focusing
Physical length in plane and/or the corresponding relation of height, and then according to the mode of the first situation above-mentioned is processed.
Additionally, in the case, can also be only by the imaging size of the main body that is taken in described first image and actual chi
Corresponding relation between very little is scaled physical length and/or height in one of captured image pixel and described focal plane
The corresponding relation of degree, then according to described second situation is processed.
4th kind of situation：Between the imaging size of the main body that is taken in described benchmark image (the first image) and actual size
Corresponding relation (the first corresponding relation) be taken described in each specifically right between the imaging size of main body and actual size
Should be related to, and corresponding between the imaging size of the main body that is taken in described image to be combined (the second image) and actual size
Relation (the second corresponding relation) is physical length and/or height in one of captured image pixel and described focal plane
Corresponding relation.
In the case, the imaging size of the main body that is taken being included using the view data of described second image and reality
Corresponding relation between the size of border, obtains the actual size of the main body that is taken.
Then, the corresponding relation between the imaging size of the main body that is taken in foundation described first image and actual size,
Calculate the imaging size in described benchmark image for the main body that is taken in described second image.Next, may be referred to second
Situation is processed.
However, the invention is not restricted to this, those skilled in the art can carry out suitable conversion between these four situations
And combination.
In step S650, the main body that is taken is set is added to residing position in described first image in described second image
Put；And in step S660, according to set position, by the picture number of the main body that is taken in amended described second image
According in the view data being combined to described first image.
Preferably, in step S670, will be taken in described first image main body and be newly incorporated to described first image
Right between the imaging size of the main body that is taken in the positional information of the main body that is taken and described first image and actual size
Should be related to, be provided in association with as amended view data together with amended first image.
View data combination method 600 according to embodiments of the present invention terminates in step S699.
Next, the view data being described with reference to Figure 7 according to the present invention is combined the second embodiment of method.
Show in Fig. 7 that view data according to embodiments of the present invention combines the second embodiment of method.In this second reality
Apply in example, this view data combination method is by the body combination that is taken in image to be combined (the second image) to benchmark image
In (the first image), the view data of described second image include wherein being taken main body positional information, be taken main body
Imaging size and actual size between corresponding relation, and the view data of described benchmark image includes wherein being taken
The capture apparatus of the corresponding relation between the imaging size of main body and actual size and the described benchmark image of shooting are focused with it
The distance between plane information.
By comprising the distance between capture apparatus and focal plane, Ke Yishe in the view data of described benchmark image
Put be taken the distance between main body and the described capture apparatus in image captured by other, and and then according to this two distances
The view data of the main body that is taken in image captured by other is combined in the view data of described benchmark.
In view data combination method 700 in the figure 7, step S710 to S730 and step S770 to S780 and Fig. 6
In step S160 to S630 and step S650 to S660 identical, here is no longer repeated.
In step S740, obtain from the view data of described first image between described capture apparatus and its focal plane
Distance.In step S750, be taken in described second image the distance between main body and described capture apparatus are set, and according to
The distance between the capture apparatus of set distance and described second image and its focal plane, determine projection coefficient.
Then, in step S760, calculate the second scaling using described projection coefficient with described first scaling, and
The view data of the main body that is taken extracted according to described second scaling modification is so that meet quilt in described benchmark image
Shoot the corresponding relation between the imaging size of main body and actual size.For example, it is possible to by described projection coefficient and described first
Scaling is multiplied and to obtain the second scaling.
Preferably, in step S790, by the distance between described capture apparatus and its focal plane, described first image
The main body that is taken and be newly incorporated in the positional information of the main body that is taken of the first image and described first image the master that is taken
Corresponding relation between the imaging size of body and actual size, is provided in association with conduct together with amended first image
Amended view data.
As an example it is considered to situations below：The physical length of the first object is 1 meter, and it is 10 with the distance of capture apparatus
Rice, and there is the second object at capture apparatus at a distance of 12 meters, the physical length of this second object is 3 meters.When using bat
When taking the photograph equipment imaging, in captured image, there is hiding relation between the first object and the second object, now the first object
Ratio with the second object is not 1: 3, but changes into 1.2: 3.Do not exist between the first object and the second object and block pass
In the case of system, also similarly there is the proportionate relationship of this change.
And then it is considered to situations below：This second object is in described benchmark image, the capture apparatus of described benchmark image
It is 12 meters with the distance between focal plane, and the first object is placed at the position of 10 meters of described capture apparatus.This
When, the proportionate relationship of above-mentioned change will be there is.Therefore, in step S760, revise described first using described projection coefficient
Scaling.
As set forth above, it is possible to application provides method according to the view data of the present invention in shooting image, or can be
The view data according to the present invention is applied to provide method after shooting image.Apply the picture number according to the present invention after an image is captured
In the case of offer method, need to obtain the distance between capture apparatus and focal plane and described bat in shooting image
Take the photograph the front focal length of working as of equipment, and by the distance between acquired capture apparatus and focal plane and described capture apparatus
When front focal length stores the view data as captured image together with captured image.
As described above, using the view data rendering method according to the present invention, not only can be according to the reality of subject
Border size showing captured image, but also can according to the actual size of subject only to show described in be taken
Object.
As described above, combining method using the view data according to the present invention, it is particularly advantageous in the matched combined of clothing, example
As, extract jacket image from the view data of captured jacket, and by its with the image that trousers are shot according to jacket
It is combined with trousers actual size, in order to experience the arranging effect of clothing.Additionally, the view data combination according to the present invention
Method is also particularly advantageous for the combination of furniture installation.
It should be appreciated that can be realized with the various forms of hardware, software, firmware, application specific processor or combinations thereof
View data according to the present invention provides method, view data combination method and view data rendering method.
It is also understood that preferably realize method illustrated in the accompanying drawings, function blocks therefore therein with software
Between actual connection can be so that mode be programmed that and different according to the present invention.Provide description here, association area common
Technical staff is possible to expect these and similar realization or the configuration of the present invention.
Although some embodiments of the present invention herein with reference to Description of Drawings but it is to be understood that described embodiment only
It is illustrative, and not restrictive.It will be appreciated by those skilled in the art that limiting in without departing substantially from appended claims and their equivalents
In the case of fixed scope and spirit of the present invention, these exemplary embodiments can be made with the change on various forms and details
Change.
Claims (13)
1. a kind of view data provides method, including：
Obtain in shooting image the distance between capture apparatus and focal plane and described capture apparatus works as front focal length, its
In, the main body that is taken is on described focal plane；
Extract the positional information in captured image for the main body that is taken；
Work as front focal length according to the distance between acquired capture apparatus and focal plane and described capture apparatus, calculate institute
State the corresponding relation between the imaging size of the main body that is taken and actual size；And
By the positional information of the described main body that is taken and described corresponding relation, carry in association together with captured image
It is provided as the view data of captured image, allow to obtain the actual size of the main body that is taken with root according to described image data
Shown according to described actual size,
Wherein, the corresponding relation between the imaging size of the described main body that is taken and actual size is：In captured image
The corresponding relation of the physical length in one pixel and described focal plane and/or height or each described in be taken main body
Imaging size and actual size between concrete corresponding relation.
2. view data as claimed in claim 1 provides method, further includes：By between capture apparatus and focal plane
Distance is provided in association with making together with the positional information of the described main body that is taken, described corresponding relation and captured image
View data for captured image.
3. view data as claimed in claim 1 or 2 provides method, wherein,
The described main body that is taken can be one or more；And
The positional information of the described main body that is taken is taken main body being represented with pixel in captured image described in including
Appearance profile or in captured image around the described main body that is taken a regular shape coordinate position.
4. view data as claimed in claim 3 provides method, wherein,
Described regular shape is one of rectangle, circle, ellipse and rhombus.
5. a kind of view data combines method, for body combination will be taken in benchmark image in image to be combined, institute
The view data stating image to be combined includes positional information, the imaging size of the main body that is taken and the reality of main body that be wherein taken
Corresponding relation between the size of border, and the view data of described benchmark image includes the imaging size of main body that is wherein taken
Corresponding relation and actual size between, methods described includes：
It is right between the imaging size of the main body that is wherein taken and actual size to obtain from the view data of described benchmark image
Should be related to；
Extract the view data of the main body that is wherein taken from the view data of described image to be combined, and obtain the main body that is taken
Imaging size and actual size between corresponding relation；
According to the corresponding relation between the imaging size of the main body that is taken in described benchmark image and actual size and described treat
Corresponding relation between the imaging size of the main body that is taken in combination image and actual size, determines the main body that is taken extracted
View data in pixel the first scaling；
According to described first scaling, the view data changing the main body that is taken extracted is so that meet described reference map
Corresponding relation between the imaging size of the main body that is taken in picture and actual size；
The main body that is taken in described image to be combined is set and is added to location in described benchmark image；And
According to set position, the view data of the main body that is taken in amended described image to be combined is combined described
In the view data of benchmark image, allow to be shown according to the actual size of the main body that is taken in described benchmark image and be taken
Corresponding relation between main body the imaging size according to the main body that is taken in described benchmark image and actual size shows
The main body that is taken in described image to be combined,
Wherein, the corresponding relation between the imaging size of the described main body that is taken and actual size is：In captured image
The becoming of one pixel and the corresponding relation of the physical length in focal plane and/or height or the main body that is taken described in each
As the concrete corresponding relation between size and actual size.
6. method as claimed in claim 5, also includes：To be taken in described benchmark image main body and be newly incorporated to reference map
Between the imaging size of the main body that is taken in the positional information of the main body that is taken of picture and described benchmark image and actual size
Corresponding relation, be provided in association with as amended view data together with amended benchmark image.
7. method as claimed in claim 5, wherein, the view data of described benchmark image also includes shooting described benchmark image
The distance between capture apparatus and its focal plane information, and methods described further includes：
The distance between described capture apparatus and its focal plane is obtained from the view data of described benchmark image；
The distance between be taken in described image to be combined main body and described capture apparatus are set, and according to set away from
From and described benchmark image the distance between capture apparatus and its focal plane, determine projection coefficient；And
Calculate the second scaling using described projection coefficient with described first scaling, and according to described second scaling
Change the view data of the main body that is taken extracted so that meet the imaging size of the main body that is taken in described benchmark image with
Corresponding relation between actual size.
8. method as claimed in claim 7, also includes：By the distance between described capture apparatus and its focal plane together with institute
State and be taken main body in benchmark image and be newly incorporated to the positional information of the main body that is taken of benchmark image, in described benchmark image
The imaging size of the main body that is taken is carried together with the corresponding relation between actual size and amended benchmark image in association
It is provided as amended view data.
9. method as claimed in claim 5, wherein,
The view data extracting the main body that is taken in described image to be combined from the view data of described image to be combined includes：
The positional information of the main body that is wherein taken is obtained from the view data of described image to be combined, and according in image to be combined
The positional information of the main body that is taken is extracting the view data of the main body that is taken.
10. a kind of view data rendering method, wherein to assume described bat according to the actual size of the main body that is taken in image
Take the photograph main body, it is right between the imaging size of the main body that is taken in described image and actual size that the view data of described image has
Answer relation information, methods described includes：
Obtain the actual size of the display screen of display device, and obtain the current resolution of this display screen；
Obtain the correspondence relationship information between the imaging size of the main body that is taken in described image and actual size；
The imaging size of the actual size according to described display screen and current resolution and the described main body that is taken and reality
Correspondence relationship information between size is determining the scaling of pixel in described image；And
The positional information of the main body that is taken described in acquisition and according to described scaling with the actual size of the described main body that is taken
Be taken described in display main body,
Wherein, the corresponding relation between the imaging size of the described main body that is taken and actual size is：In captured image
The becoming of one pixel and the corresponding relation of the physical length in focal plane and/or height or the main body that is taken described in each
As the concrete corresponding relation between size and actual size.
11. methods as claimed in claim 10, wherein, obtain the imaging size of the main body that is taken in described image and actual chi
Correspondence relationship information between very little is physical length and/or the height obtaining in a pixel and described focal plane in described image
The corresponding relation of degree, and
Actual size according to described display screen and current resolution and the described imaging size shooting main body and actual chi
Correspondence relationship information between very little further includes come the scaling to determine pixel in described image：
Actual size according to described display screen and current resolution calculate one of described display screen pixel and reality
Length and/or the corresponding relation of height；And
One in corresponding relation based on one of described display screen pixel and physical length and/or height and described image
The scaling to determine pixel in described image for the corresponding relation of the physical length in individual pixel and described focal plane and/or height
Ratio.
12. methods as claimed in claim 10, wherein, obtain the imaging size of the main body that is taken in described image and actual chi
Correspondence relationship information between very little is to obtain actual size and the imaging size of the main body that is taken in described image, and
Actual size according to described display screen and current resolution and the described imaging size shooting main body and actual chi
Correspondence relationship information between very little includes come the scaling to determine pixel in described image：
Actual size according to described display screen and current resolution calculate one of described display screen pixel and reality
Length and/or the corresponding relation of height；
Determine in the case of the main body that is taken described in showing in the actual size according to the described main body that is taken in described display screen
Number of pixels used in curtain；And
Determine the scaling of pixel in described image based on the imaging size of this number of pixels and the main body that is taken.
13. methods as claimed in claim 10, wherein, further include according to described scaling display described image：
The positional information of the main body that is taken described in obtaining from the view data of described image；
The view data of the main body that is taken described in extracting from the view data of described image；And
Only show the view data of the main body that is taken described in being extracted according to described scaling.
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| CN104252828B (en) * | 2013-06-29 | 2018-06-05 | 华为终端（东莞）有限公司 | Protect display methods, display device and the terminal device of eyesight |
| CN104735339B (en) * | 2013-12-23 | 2018-11-09 | 联想(北京)有限公司 | A kind of automatic adjusting method and electronic equipment |
| CN103644895B (en) * | 2013-12-26 | 2015-12-30 | 金陵科技学院 | A kind of digital camera coordinates the method for mapping of ancient architecture of measuring tool |
| CN104104929A (en) * | 2014-02-11 | 2014-10-15 | 中兴通讯股份有限公司 | Remote projection method, device and system |
| US9734553B1 (en) | 2014-12-31 | 2017-08-15 | Ebay Inc. | Generating and displaying an actual sized interactive object |
| CN105141892B (en) * | 2015-08-03 | 2018-11-06 | 广州杰赛科技股份有限公司 | A kind of environment arrangement for detecting and its distance measuring method, detecting system |
| CN105635570B (en) * | 2015-12-24 | 2019-03-08 | Oppo广东移动通信有限公司 | Shooting preview method and system |
| CN110927918A (en) * | 2019-12-27 | 2020-03-27 | 屏丽科技成都有限责任公司 | Long-stroke focusing lens rapid convergence focusing method and projector applying same |
| CN111526286B (en) * | 2020-04-20 | 2021-11-02 | 苏州智感电子科技有限公司 | Method and system for controlling motor motion and terminal equipment |
| CN114187615A (en) * | 2020-09-12 | 2022-03-15 | 北京彼岸行舟科技有限公司 | Fingerprint image extraction method |
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