CN110086982A - A kind of perspective image antidote and device - Google Patents
A kind of perspective image antidote and device Download PDFInfo
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- CN110086982A CN110086982A CN201910184171.7A CN201910184171A CN110086982A CN 110086982 A CN110086982 A CN 110086982A CN 201910184171 A CN201910184171 A CN 201910184171A CN 110086982 A CN110086982 A CN 110086982A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
- H04N23/631—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters
- H04N23/632—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters for displaying or modifying preview images prior to image capturing, e.g. variety of image resolutions or capturing parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/90—Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/2628—Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation
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- Multimedia (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
The invention discloses a kind of perspective image antidote and device, method includes: the virtual image that real time demonstration picture is obtained using optical instrument；It enables camera and shoots the virtual image information acquisition shooting image；The shooting image is converted into the operation interface that picture format projects terminal；Correction basic point and correction dragging point are chosen according to the picture in the operation interface, perspective correction is carried out to the picture.The present invention by adjusting Web-based instruction camera of mobile terminal viewfinder area and angle, and perspective correction is carried out to video image, make teacher during carrying out one-to-one art teaching, more convenient teaching demonstration process naturally, improve the resolution optimization picture exhibition angle of demonstration picture, student can correct demonstration picture manually during watching instructional video simultaneously, meet viewing demand, enhance Interactive Experience.
Description
Technical field
The present invention relates to art teaching method and apparatus technical fields, specifically, being a kind of for the one-to-one religion of the fine arts
Perspective image antidote and device.
Background technique
Online one-to-one art teaching is so that student is existed whenever and wherever possible by mobile terminal devices such as mobile phone, ipad
Teaching-guiding of the line receiving from professional art teacher, or about a kind of Novel Internet instructional mode of class on realization line, lead to
Frequently with the mode of Online Video, allows between child and teacher and carry out remotely one-to-one interactive learning.
Common distance network teaching is the demonstration picture that teacher is captured by camera, and teacher is set using mobile terminal
For when teaching, the camera typically directly carried using equipment needs to consolidate equipment for the teacher of art teaching
Determine in place, so that teacher demonstrates the process drawn by video display to student, particularly, is carrying out the fine arts
During teaching, usually requires to guarantee that teaching picture can be more clear accurately as far as possible to improve teaching efficiency, reduce
The influence of student's vision perception usually requires that camera shooting picture and demonstration picture are substantially parallel as far as possible, guarantees teacher's
Presentation process face shooting area.This form status requirement fixed for equipment is very high, and teacher also can be because in presentation process
It is subject to certain restrictions to acquire the position of image, for student, can not reach good learning experience.In order to gram
It takes equipment and carries the difficulty that camera obtains standard picture, the mode using external camera can be also selected in industry, to acquire
Teacher carries out the picture of teaching demonstration, and this mode increases the equipment installation cost of remote teaching, it is also necessary to consider camera
With the compatibility issue of mobile terminal.
Summary of the invention
The purpose of the present invention is aiming at the shortcomings in the prior art, providing a kind of perspective image antidote and device, lead to
The viewfinder area and angle of adjustment Web-based instruction camera of mobile terminal are crossed, and perspective correction is carried out to video image, is made
Teacher is during carrying out one-to-one art teaching, more convenient teaching demonstration process naturally, improves the clear of demonstration picture
Clear degree optimizes picture exhibition angle, while student can rectify demonstration picture manually during watching instructional video
Just, meet viewing demand, enhance Interactive Experience.Specifically, by being set in the mobile terminal for being equipped with uses of teaching NetWare program
It is standby upper, optical instrument is installed, the picture of teachers ' teaching presentation process is acquired by optical instrument, and the picture is projected into movement
The viewfinder area of terminal camera, the installation of terminal easy to remove, while the picture that teacher can be made to be demonstrated in desktop is straight
It connects acquired in camera, not will receive the limitation of camera angle coverage in presentation process, also do not need to take the photograph mobile terminal
As head is fixed on the place parallel with desktop, external camera is also had no need to install.
To achieve the above object, in a first aspect, the present invention provides a kind of perspective image antidote, comprising:
The virtual image of real time demonstration picture is obtained using optical instrument；
It enables camera and shoots the virtual image information acquisition shooting image；
The shooting image is converted into the operation interface that picture format projects terminal；
Correction basic point and correction dragging point are chosen according to the picture in the operation interface, perspective is carried out to the picture and is rectified
Just.
Further, the optical instrument includes: plane mirror and prism, and the camera includes front camera with after
Set camera.
Further, the method further includes:
If camera is front camera, by the plane mirror being mounted in the front camera viewfinder area,
Obtain the virtual image of real time demonstration picture；
If camera is rear camera, by the prism being mounted in the rear camera viewfinder area,
Obtain the virtual image of real time demonstration picture.
It is further, described that the shooting image is converted to the operation interface that picture format projects terminal, further includes:
If camera is rear camera, mirror image switch is carried out to the image of rear camera shooting, is obtained
The picture of the virtual image mirror image each other obtained with the prism.
Second aspect, the present invention provide a kind of perspective image apparatus for correcting, comprising:
For obtaining the optical instrument of the virtual image of real time demonstration picture；
For shooting the camera of the virtual image information acquisition shooting image；
The optical instrument and the camera are configured at terminal, and further, the optical instrument is installed in described take the photograph
As head viewfinder area in；
The terminal further includes operation interface and image flame detection system,
The operation interface is used to show the shooting image of the camera；
Described image correction system, for choosing correction basic point and correction dragging according to the picture in the operation interface
Point carries out perspective correction to the picture.
Further, the camera is configured to the front camera of terminal, is installed in the front camera and finds a view area
Optical instrument in domain is plane mirror.
Further, the installation angle between the plane mirror and the front camera is 30 °~60 °, for will be with
Demonstration picture in the front camera vertical plane is reflected into the viewfinder area of the front camera.
Further, the camera is configured to the rear camera of terminal, is installed in the rear camera and finds a view area
Optical instrument in domain is prism.
Further, the prism includes the plane of incidence, reflecting surface and exit facet, and the exit facet and the postposition image
Installation angle between head is 30 °~60 °.
Further, described image correction system includes:
Image taking module obtains shooting image for controlling camera shooting virtual image；
Format converting module, the image format conversion for shooting camera are that picture format projects operation interface；
Picture processing module chooses the correction basic point and dragging correction point of picture in the operation interface, to the picture
Carry out perspective correction.
The invention has the advantages that:
1, the present invention is led to by installing optical instrument on the mobile terminal device for being equipped with uses of teaching NetWare program
The picture of optical instrument acquisition teachers ' teaching presentation process is crossed, and the picture is projected to the area of finding a view of mobile terminal camera
Domain, the installation of terminal easy to remove, while the picture that teacher can be made to be demonstrated in desktop directly acquired in camera, are drilled
The limitation that not will receive camera angle coverage during showing, does not need for mobile terminal camera to be fixed on parallel with desktop yet
Place, also have no need to install external camera.
2, apparatus of the present invention structure is simple, does not need that terminal and camera are adjusted or are modified, does not also need to borrow
External camera is helped, compared with existing remote teaching apparatus, operation convenience devices installation is simple and easy.
Detailed description of the invention
For purpose, feature and advantage of the present invention can be clearer to understand, below with reference to attached drawing to preferable reality of the invention
Example is applied to be described in detail, in which:
Fig. 1 is perspective image antidote schematic diagram of the present invention in embodiment one；
Fig. 2 is the operation interface schematic diagram for carrying out perspective correction in embodiment one to image；
Fig. 3 is the graphic interface schematic diagram completed after perspective corrective operations in embodiment one；
Fig. 4 is perspective image apparatus for correcting of the present invention in embodiment two and method schematic diagram；
Fig. 5 is the operation interface schematic diagram for carrying out perspective correction in embodiment two to image；
Fig. 6 is the graphic interface schematic diagram completed after perspective corrective operations in embodiment two；
Fig. 7 is the structural block diagram of perspective image apparatus for correcting of the present invention.
Appended drawing reference involved in attached drawing and component part are as follows:
10. operation interface, 11. front cameras, 12. rear cameras, 13. viewfinder areas, 21. plane mirrors, 22. trigones
Mirror, 221. planes of incidence, 222. reflectings surface, 223. exit facets, 3. demonstration pictures.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, with reference to the accompanying drawing and specific embodiment to this
Invention is described in further detail.
Perspective image apparatus for correcting of the invention is for the mobile terminal device in the Web-based instruction, specifically for moving
Dynamic instructional terminal equipment, such as: mobile phone, iPad of uses of teaching NetWare program etc. are installed.Common mobile terminal is usually set
Have at least one camera, for example, only with front camera mobile phone or iPad, only with rear camera mobile phone or
IPad, simultaneous with the mobile phone or iPad of front camera and rear camera.During carrying out remote teaching, especially
During long-range art teaching, usually teacher carries out teaching demonstration in desktop or drills on the drawing board erected
Show, camera will demonstrate picture photographing and be watched by online communication to student side.It is taught when needing to absorb teacher in desktop
When learning the picture of demonstration, the front camera of using terminal equipment is shot；When needing to absorb teacher on the drawing board erected
When carrying out the picture of teaching demonstration, the rear camera of using terminal equipment is shot.
Since in teaching process, the needs of shooting, the present invention provides a kind of perspective image apparatus for correcting, comprising: for obtaining
Take the optical instrument 02 of the virtual image of real time demonstration picture, for shooting taking the photograph for the virtual image information acquisition shooting image
As head 01 and terminal 03.Wherein, optical instrument 02 and camera 01 are configured at terminal 03, and particularly, optical instrument 02 is installed in
In the viewfinder area of camera 01, change the image in camera viewfinder area using optical principle.Terminal 03 further includes operation
Interface 10 and image flame detection system 20, operation interface 10 are used to show the shooting image of camera 01；Image flame detection system 20 is used
In choosing correction basic point and correction dragging point according to the picture in operation interface 10, perspective correction is carried out to picture.Image flame detection
System 20 includes: image taking module 201, obtains shooting image for controlling camera shooting virtual image；Format modulus of conversion
Block 202, the image format conversion for shooting camera are that picture format projects operation interface；Picture processing module 203,
The correction basic point and dragging correction point for choosing picture in the operation interface, carry out perspective correction to the picture.
It should be noted that terminal 03 is the mobile terminal for being equipped with tutorial application, particularly, image flame detection system
20 pictures for being stored in the application program for obtaining to camera carry out perspective image correction, are seen so as to adjust client
To the shape of image.The operation interface 10 of terminal 03, it is preferable that be touch screen interface, user has an X-rayed picture by touch screen
Correction.The optical instrument of apparatus of the present invention is installed in the viewfinder area of camera.
Perspective image antidote provided by the invention, specific steps include:
Optical instrument is adjusted first, is located at optical instrument in the viewfinder area of camera, while being adjusted perspective image and being rectified
The position of equipment makes the real time education of teacher demonstrate picture and is obtained by optical instrument, and generates the virtual image of picture；
Then it enables camera shooting virtual image information acquisition and shoots image.Since optical instrument is set to camera
In viewfinder area, so when camera shooting image be optical instrument in virtual image；
The image of camera shooting will be converted into picture format and project the operation interface of terminal, and teacher side is (i.e. at this time
The terminal of apparatus of the present invention) operation interface on and remote teaching apparatus student side can see simultaneously camera shooting picture
Face；
While seeing that the teacher of shooting picture or student can watch picture by operation interface, picture is carried out saturating
Depending on correction, concrete operations, which can be, chooses the correction basic point of picture and dragging correction point in the operation interface, to the picture
Carry out perspective correction.
Below in conjunction with attached drawing 1-6 by two embodiments respectively to front camera and two kinds of rear camera in the case of
Method and device are illustrated.
Embodiment one
Image rectification arrangement for perspective in this example is used for teacher side and student side, wherein teacher side includes for obtaining reality
When demonstration picture virtual image optical instrument 02, the camera for shooting virtual image information acquisition shooting image
01 and terminal 03.Student side only includes terminal 03, since the operation interface of student side and the operation interface of teacher side are similar, thus it is attached
It is only the operation interface of teacher side shown in Fig. 1-3, omits the operation interface of student side.Referring to shown in attached drawing 1, the present embodiment
In perspective image apparatus for correcting include optical instrument 02 for obtaining the virtual image of real time demonstration picture, for shooting
State the camera 01 and terminal 03 of virtual image information acquisition shooting image.As shown in Figure 1, terminal, which is one, is equipped with network religion
Learn the iPad equipment of application program comprising: operation interface 10 and front camera 11, wherein operation interface 10 is for showing net
Network video pictures and teaching demonstration picture, while teacher can be made to drag picture by touch screen, manual perspective correction is carried out to image
Operation.Optical instrument is a plane mirror 21, it should be noted that in practice in order to facilitate the installation of or decorating device it is outer
It sees, it will usually plane mirror is placed in a fixing shell, be installed in terminal by shell, those skilled in the art should manage
Solution, plane mirror 21 described in the invention can be including chlamydate or do not have the general designation of chlamydate plane mirror.
As shown in Figure 1, the viewfinder area 13 of front camera 11 is equipped with plane mirror 21, in practical operation, in order to guarantee
Demonstration picture 3 can be projected completely in plane mirror 21 and be absorbed by front camera 11, it usually needs guarantee plane mirror 21 with
Installation angle between front camera 11 is 30 °~60 °.Preferably, in the present embodiment plane mirror 21 shown by attached drawing 1 with
Installation angle between front camera 11 is 60 °.
Such as during fine arts remote teaching, teacher demonstrates drawing teaching process, plane in the region of demonstration picture 3
Mirror 21 obtains teacher's real time demonstration picture, and teacher's real time demonstration picture can be presented according to mirror image principle, in plane mirror 21
Virtual image.In the process, the then virtual image in plane mirror 21 of video image captured by front camera 11,
The shooting image that front camera 11 obtains is usually the data of yuv format, these data are transmitted in end application, so
It is converted into the operation interface 10 that picture format projects terminal afterwards.
As shown in Fig. 2, i.e. the two is not parallel due to there is an angle between front camera 11 and plane mirror 21, because
The picture and real screen of the shooting of this front camera 11 cannot be the forms of complete orthographic projection, present in operation interface 10
The ratio and shape of picture and real screen have differences.In order to improve perception experience, the drawing school Efficiency of student is improved, is needed
Perspective correction is carried out to the picture of operation interface 10.When student or teacher carry out perspective correction behaviour to image by operation interface
When making, the operational order that the image flame detection system 20 of terminal 03 is triggered according to user executes and chooses the upper figure of the operation interface 10
The correction basic point and dragging correction point of piece, carry out perspective correction to the picture, specifically implementation is as follows:
The boundary first on 10 picture of operation interface determines the base that four critical points are corrected as picture as shown in Figure 2
The coordinate of point, four basic points can be expressed as (x10, y10)、(x11, y11)、(x12, y12)、(x13, y13), by aforementioned four basic point
It is substituted into following transformation for mula respectively:
Wherein, u, v indicate that original image coordinate, x, y respectively indicate correspondence and obtain transformed Picture Coordinate, wherein x=
X '/w ', y=y '/w '.Four basic points substitute into each parameter value after transformation for mula in available transformation matrix respectively.
Teacher or student choose any point on picture in operation interface 10 and are used as correction point, the direction of Xiang Renyi basic point
Dragging correction pair graph piece carries out perspective transform, and the picture after perspective correction is as shown in Figure 3.Specifically, user (including teacher or
Student) it can be by the function menu selection perspective correcting function that perspective transform program provides, then by touch screen on operation circle
Any point on picture is chosen on face 10, system obtains the coordinate, substitute into above-mentioned transformation for mula using the point as correction point
In, transformed coordinate can be obtained.User is as needed, by selecting different correction points to complete by multiple corrective operations
Correction to entire picture, the picture after finally obtaining perspective correction are as shown in Figure 3.
Embodiment two
Image rectification arrangement for perspective in this example is used for teacher side and student side, wherein teacher side includes for obtaining reality
When demonstration picture virtual image optical instrument 02, the camera for shooting virtual image information acquisition shooting image
01 and terminal 03.Student side only includes terminal 03, since the operation interface of student side and the operation interface of teacher side are similar, thus it is attached
It is only the operation interface of teacher side shown in Fig. 4-6, omits the operation interface of student side.Referring to shown in attached drawing 4, the present embodiment
In perspective image apparatus for correcting include optical instrument 02 for obtaining the virtual image of real time demonstration picture, for shooting
State the camera 01 and terminal 03 of virtual image information acquisition shooting image.As shown in figure 4, terminal, which is one, is equipped with network religion
Application program is learned simultaneous with the iPad equipment of rear camera comprising: operation interface 10 and rear camera 12, wherein grasping
Make interface 10 for showing network video picture and teaching demonstration picture, while teacher can be made to drag picture to figure by touch screen
As carrying out manual perspective correction operation.Optical instrument 02 is a prism 22, it should be noted that is pacified for convenience in practice
The appearance of dress or decorating device, it will usually prism is placed in a fixing shell, is installed in terminal by shell, ability
Field technique personnel should be appreciated that prism 22 described in the invention can be including chlamydate or do not have chlamydate trigone
The general designation of mirror.
As shown in figure 4, the viewfinder area 13 of rear camera 12 is equipped with prism 22, and in practical operation, prism 22
Including the plane of incidence 221, reflecting surface 222 and exit facet 223, can be projected completely in prism 22 to guarantee to demonstrate picture 3
It being absorbed by rear camera 12, the installation angle between the exit facet 223 and rear camera 12 of usual prism is 30 °~
60°.Preferably, the installation folder in the present embodiment between the exit facet 223 and rear camera 12 of prism shown by attached drawing 4
Angle is 60 °.
Such as during fine arts remote teaching, teacher carries out teaching demonstration on drawing board, at this time by image of the invention
Corrected perspective device is fixed on position corresponding with drawing board, so that the demonstration of teacher's drawing teaching process is just by prism
Acquired in the plane of incidence 221, according to the optical principle of prism, teacher is finally presented in exit facet 223 by reflecting surface 222 and drills
Show the virtual image of picture, and exit facet 223 is set in 3 region of demonstration picture of rear camera 12, is obtained in exit facet 223
Teacher's real time demonstration picture absorbed by rear camera 12.In the process, video figure captured by rear camera 12
As the then virtual image in 22 exit facet 223 of prism, the shooting image that rear camera 12 obtains is usually YUV lattice
The data of formula, these data are transmitted in end application.The virtual image and real image generated due to prism refraction
Mirror image each other, therefore when terminal device enables rear camera, application program can enable Image Reversal function simultaneously, receive
Image data that rear camera 12 transmits and after being converted into picture format, carries out mirror image switch operation to the picture first, so
Project the perspective correction operation after the execution of operation interface 10 of terminal again afterwards.
As shown in figure 5, due to having an angle, i.e. the two between rear camera 12 and the exit facet 223 of prism 22 not
It is parallel, therefore the picture of the shooting of rear camera 12 and real screen cannot be the forms of complete orthographic projection, on operation circle
The ratio and shape of the picture and real screen that present on face 10 have differences.In order to improve viewing experience, drawing for student is improved
School Efficiency is drawn, needs to carry out perspective correction to the picture of operation interface 10.When student or teacher pass through operation interface to image
When carrying out perspective correction operation, the operational order that the image flame detection system 20 of terminal 03 is triggered according to user executes selection operation
The correction basic point of picture and dragging correction point on interface 10, carry out perspective correction to the picture, specifically implementation is as follows:
The boundary first on 10 picture of operation interface determines the base that four critical points are corrected as picture as shown in Figure 5
The coordinate of point, four basic points can be expressed as (x20, y20)、(x21, y21)、(x22, y22)、(x23, y23), by aforementioned four basic point
It is substituted into following transformation for mula respectively:
Wherein, u, v indicate that original image coordinate, x, y respectively indicate correspondence and obtain transformed Picture Coordinate, wherein x=
X '/w ', y=y '/w '.Four basic points substitute into each parameter value after transformation for mula in available transformation matrix respectively.
Teacher or student choose any point on picture in operation interface 10 and are used as correction point, the direction of Xiang Renyi basic point
Dragging correction pair graph piece carries out perspective transform, and the picture after perspective correction is as shown in Figure 6.Specifically, user (including teacher or
Student) it can be by the function menu selection perspective correcting function that perspective transform program provides, then by touch screen on operation circle
Any point on picture is chosen on face 10, system obtains the coordinate, substitute into above-mentioned transformation for mula using the point as correction point
In, transformed coordinate can be obtained.User is as needed, by selecting different correction points to complete by multiple corrective operations
Correction to entire picture, the picture after finally obtaining perspective correction as shown in Figure 6.
It will be described perspective image apparatus for correcting of the invention below, it will be understood by those skilled in the art that figure of the invention
As perspective apparatus for correcting and its constitutes module the scheme institute of commercially available hardware component above-described embodiment through the invention can be used
The step of introduction, is configured to constitute.
Fig. 7 is the structural block diagram of perspective image apparatus for correcting of the present invention, as shown in fig. 7, the perspective image in this example is corrected
Device includes:
For obtaining the optical instrument 02 of the virtual image of real time demonstration picture；
For shooting the camera 01 of the virtual image information acquisition shooting image；
Wherein optical instrument 02 and camera 01 are configured at simultaneously in terminal 03, and particularly, optical instrument 02, which is installed in, to be taken the photograph
As first 01 viewfinder area in.Camera 01 can be front camera or rear camera, wherein being installed in front camera
Optical instrument 02 in viewfinder area is plane mirror, it is preferable that the installation angle between plane mirror and front camera is 30 °~
60 °, for will be reflected into the viewfinder area of the front camera with the demonstration picture in front camera vertical plane；Its
In to be installed in optical instrument 02 in rear camera viewfinder area be prism, prism includes the plane of incidence, reflecting surface and goes out
Penetrate face, it is preferable that the installation angle between exit facet and rear camera is 30 °~60 °.
Terminal 03 further includes operation interface 10 and image flame detection system 20, and operation interface 10 is used to show the bat of camera 01
Take the photograph image；Image flame detection system 20 is used to choose correction basic point and correction dragging point according to the picture in operation interface 10, to figure
Piece carries out perspective correction.Image flame detection system 20 in the present embodiment includes:
Image taking module 201 obtains shooting image for controlling camera shooting virtual image；
Format converting module 202, the image format conversion for shooting camera are that picture format projects operation circle
Face；
Picture processing module 203 chooses the correction basic point and dragging correction point of picture in the operation interface, to the figure
Piece carries out perspective correction.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, under the premise of not departing from the method for the present invention, can also make several improvement and supplement, these are improved and supplement also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of perspective image antidote, which is characterized in that the described method includes:
The virtual image of real time demonstration picture is obtained using optical instrument；
It enables camera and shoots the virtual image information acquisition shooting image；
The shooting image is converted into the operation interface that picture format projects terminal；
Correction basic point and correction dragging point are chosen according to the picture in the operation interface, perspective correction is carried out to the picture.
2. a kind of perspective image antidote according to claim 1, which is characterized in that the optical instrument includes: flat
Face mirror and prism, the camera include front camera and rear camera.
3. a kind of perspective image antidote according to claim 2, which is characterized in that the method further includes:
If camera is front camera, by the plane mirror being mounted in the front camera viewfinder area, obtain
The virtual image of real time demonstration picture；
If camera is rear camera, by the prism being mounted in the rear camera viewfinder area, obtain
The virtual image of real time demonstration picture.
4. a kind of perspective image antidote according to claim 3, which is characterized in that described to turn the shooting image
It is changed to the operation interface that picture format projects terminal, further includes:
If camera is rear camera, mirror image switch is carried out to the image of rear camera shooting, is obtained and institute
State the picture of the virtual image mirror image each other of prism acquisition.
5. a kind of perspective image apparatus for correcting, which is characterized in that described device includes:
For obtaining the optical instrument of the virtual image of real time demonstration picture；
For shooting the camera of the virtual image information acquisition shooting image；
The optical instrument and the camera are configured at terminal, and further, the optical instrument is installed in the camera
Viewfinder area in；
The terminal further includes operation interface and image flame detection system,
The operation interface is used to show the shooting image of the camera；
Described image correction system, it is right for choosing correction basic point and correction dragging point according to the picture in the operation interface
The picture carries out perspective correction.
6. a kind of perspective image apparatus for correcting according to claim 5, which is characterized in that the camera is configured to terminal
Front camera, being installed in optical instrument in the front camera viewfinder area is plane mirror.
7. a kind of perspective image apparatus for correcting according to claim 6, which is characterized in that the plane mirror with it is described preposition
Installation angle between camera is 30 °~60 °, for will reflect with the demonstration picture in the front camera vertical plane
Into the viewfinder area of the front camera.
8. a kind of perspective image apparatus for correcting according to claim 6, which is characterized in that the camera is configured to terminal
Rear camera, being installed in optical instrument in the rear camera viewfinder area is prism.
9. a kind of perspective image apparatus for correcting according to claim 8, which is characterized in that the prism includes incidence
Face, reflecting surface and exit facet, the installation angle between the exit facet and the rear camera are 30 °~60 °.
10. a kind of perspective image apparatus for correcting according to claim 5, which is characterized in that described image correction system packet
It includes:
Image taking module obtains shooting image for controlling camera shooting virtual image；
Format converting module, the image format conversion for shooting camera are that picture format projects operation interface；
Picture processing module is chosen the correction basic point and dragging correction point of picture in the operation interface, is carried out to the picture
Perspective correction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910184171.7A CN110086982A (en) | 2019-03-12 | 2019-03-12 | A kind of perspective image antidote and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910184171.7A CN110086982A (en) | 2019-03-12 | 2019-03-12 | A kind of perspective image antidote and device |
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| Publication Number | Publication Date |
|---|---|
| CN110086982A true CN110086982A (en) | 2019-08-02 |
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ID=67412421
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|---|---|---|---|
| CN201910184171.7A Pending CN110086982A (en) | 2019-03-12 | 2019-03-12 | A kind of perspective image antidote and device |
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| CN (1) | CN110086982A (en) |
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| CN112437250A (en) * | 2019-08-26 | 2021-03-02 | 北京三好互动教育科技有限公司 | Teaching equipment that slope was shot |
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