CN110163941A - A kind of image processing apparatus and image processing method for LED curved body - Google Patents
A kind of image processing apparatus and image processing method for LED curved body Download PDFInfo
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- CN110163941A CN110163941A CN201810777503.8A CN201810777503A CN110163941A CN 110163941 A CN110163941 A CN 110163941A CN 201810777503 A CN201810777503 A CN 201810777503A CN 110163941 A CN110163941 A CN 110163941A
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- 238000003672 processing method Methods 0.000 title claims abstract description 22
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- 238000000465 moulding Methods 0.000 claims abstract description 9
- 238000004088 simulation Methods 0.000 claims abstract description 5
- 238000013507 mapping Methods 0.000 claims description 10
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/005—General purpose rendering architectures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/10—Geometric effects
- G06T15/20—Perspective computation
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Abstract
The invention discloses a kind of image processing apparatus and image processing method for LED curved body, belong to technical field of image processing, the device includes three-dimensional software analog module, regional code module, curve screens module, analog video camera module and rendering image module, this method is based on 3Ds Max video camera principle and image processing techniques, make image spread and deformation to adapt to different curve moulding LED screen, normal video pictures are converted to the picture to match with LED curved body, the broadcast request for meeting Curved screen forms correct visual experience.Operation of the present invention is simple, facilitates simulation, and be widely used, and image quality and clarity are high, and details performance is perfect.
Description
Technical field
The present invention relates to a kind of image processing apparatus and image processing methods, are used for LED curved body more particularly to one kind
Image processing apparatus and image processing method, belong to technical field of image processing.
Background technique
LED curve screens are present display screen newly developed products in the market, and there are no mature image procossings in the market
Technology and switching software, normal video are not able to satisfy the broadcast request of Curved screen, can be deformed, a series of picture such as vortex
Face deformation, visual effect is poor, cannot reach preferable sensorial effects.
A kind of LED curved body image processing method is needed now, normal video pictures can be converted to and LED curved surface
The picture that body matches meets the broadcast request of Curved screen, forms correct visual experience.
Summary of the invention
The main object of the present invention is to provide for a kind of image processing apparatus and image processing method for LED curved body
Method overcomes the problems, such as that normal play video is not able to satisfy LED curve screens, provides that a kind of conversion of picture is simple, picture effect is good
The LED curved body image processing method based on three-dimensional imaging software.
The purpose of the present invention can reach by using following technical solution:
A kind of image processing apparatus for LED curved body, comprising:
Three-dimensional software analog module, for being built using three-dimensional software equal proportion according to true surface modeling CAD size
Mould simulates real screen size;
Regional code module, the curved surface for mapping out LED screen carry out region division, draw the region of equal proportion
Code pattern;
Curve screens module, for code pattern to be covered to the surface model of equal proportion using three-dimensional software textures technology
On, suitable coordinate type is added to threedimensional model, position of the code pattern on model is adjusted, finally by code pattern and curved body
Perfection fitting;
Analog video camera module, for using three-dimensional software creation creation analog video camera, camera to be placed in curved body
Heart position;
Image module is rendered, for utilizing curved surface mapping principle, the curved surface content output on screen is met into Curved screen
The actual pixels size of the picture for the expansion that curtain plays, final output picture size and curve screens is adapted, and image type is
Meet the type of the expansion picture of curve screens broadcasting.
Preferably, the code pattern according to longitude and latitude equal part and puts on serial number, for aligning and detecting position.
Preferably, the code pattern is X-Y scheme, and the code pattern is wrapped in a solid by the curve screens module
Curved space on, the display of the code pattern is consistent with surface modeling.
Preferably, the method for the code pattern package solid surface includes:
Texture coordinate is generated using the normal vector on vertex, the normal vector is the vector perpendicular to plane, and it is flat to be called this
The normal vector in face;
Or, generating texture coordinate using the position vector on vertex.
Preferably, the coordinate type includes the mode of spherical coordinate mode and exhibition UV textures, the spherical coordinate mode
For adding in ball curtain model, the mode of the exhibition UV textures is for adding in irregular model.
Preferably, the camera type selection of the analog video camera and surface modeling are unified, as spherical screen selects spherical shape
Camera type, the field angle of camera selects 180 degree, and olive shaped screen selects the camera type of flake.
Preferably, when the rendering image module renders other normal videos or picture, the code pattern is replaced with
Other normal videos or picture, textures position have no need to change.
Preferably, the LED curved body includes whole vault (ball), whole half vault (ball), is greater than 1/2 or less than 1/2 half vaults
The hyperboloids moulding such as (ball), bowl-type, ellipse and olive shape.
A kind of image processing method for LED curved body, it is characterised in that: be that three-dimensional is used based on 3Ds max software
Modeling, portion three-dimensional picture pasting, three-dimensional camera and three-dimensional rendering carry out source images and video processing, comprising the following steps:
Step 1 simulates real screen size using three-dimensional software analog module, and create Surfaces moulding;
Step 2, the curved surface that then using area coding module maps out LED screen carry out region division, draw etc.
The regional code figure of ratio;
Then step 3 uses curve screens module by regional code map combining to curve screens;
Then step 4 utilizes analog video camera module, create analog video camera, camera is placed in curved body center;
Step 5, then according to curved surface mapping principle, the use of rendering image module by the curved surface content output on screen is symbol
Close the picture for the expansion that curve screens play.
Preferably, the source images and video include the picture for shooting video, d-making video and various formats.
Advantageous effects of the invention: at the image processing apparatus and image according to the invention for LED curved body
Reason method is imaged provided by the present invention for the image processing apparatus and image processing method of LED curved body based on 3Ds Max
Machine principle and image processing techniques, using image spread and deformation, to adapt to different curve moulding LED screen, different LED curved surfaces
Body analog picture has authenticity, easy to operate, facilitates simulation, can restore actual size;Development cycle is short, development cost
It is low;And it is widely used, any source video form, including shooting video, d-making video, graphic form etc. can be applied
To the curved surface LED screen of different shaping;Image quality is high simultaneously, full screen scene high-definition, and details performance can be enabled perfect.
Detailed description of the invention
Fig. 1 is according to the invention in the image processing apparatus of LED curved body and the step 1 of image processing method
Surface modeling schematic diagram;
Fig. 2 is according to the invention in the image processing apparatus of LED curved body and the step 1 of image processing method
Surface modeling schematic diagram;
Fig. 3 is according to the invention in the image processing apparatus of LED curved body and the step 2 of image processing method
Regional code diagram is intended to;
Fig. 4 is according to the invention in the image processing apparatus of LED curved body and the step 3 of image processing method
By the schematic diagram on regional code map combining to curve screens;
Fig. 5 is according to the invention in the image processing apparatus of LED curved body and the step 4 of image processing method
Analog video camera is placed in the schematic diagram of curved body center;
Fig. 6 is according to the invention for inciting somebody to action in the image processing apparatus of LED curved body and the step 5 of image processing method
Effect diagram after image rendering.
Specific embodiment
To make the more clear and clear technical solution of the present invention of those skilled in the art, below with reference to examples and drawings
The present invention is described in further detail, and embodiments of the present invention are not limited thereto.
As shown in figs 1 to 6, a kind of image processing apparatus for LED curved body provided in this embodiment, comprising:
Three-dimensional software analog module, for being built using three-dimensional software equal proportion according to true surface modeling CAD size
Mould simulates real screen size;
Regional code module, the curved surface for mapping out LED screen carry out region division, draw the region of equal proportion
Code pattern;
Curve screens module, for code pattern to be covered to the surface model of equal proportion using three-dimensional software textures technology
On, suitable coordinate type is added to threedimensional model, position of the code pattern on model is adjusted, finally by code pattern and curved body
Perfection fitting;
Analog video camera module, for using three-dimensional software creation creation analog video camera, camera to be placed in curved body
Heart position;
Image module is rendered, for utilizing curved surface mapping principle, the curved surface content output on screen is met into Curved screen
The actual pixels size of the picture for the expansion that curtain plays, final output picture size and curve screens is adapted, and image type is
Meet the type of the expansion picture of curve screens broadcasting.
In the present embodiment, as shown in figure Fig. 3, code pattern is according to longitude and latitude equal part and puts on serial number, for align and
Position is detected, code pattern is X-Y scheme, and code pattern is wrapped on a three-dimensional curved space by curve screens module, code pattern
Display be consistent with surface modeling, code pattern package solid surface method include:
Texture coordinate is generated using the normal vector on vertex, normal vector is the vector perpendicular to plane, is called the plane
Normal vector;
Or, generating texture coordinate using the position vector on vertex.
In the present embodiment, spherical as shown in figure 4, coordinate type includes the mode of spherical coordinate mode and exhibition UV textures
Coordinated manner is for adding the mode for opening up UV textures in ball curtain model for adding in irregular model.
In the present embodiment, such as spherical as shown in figure 5, the camera type selection of analog video camera and surface modeling are unified
The spherical camera type of screen selection, the field angle of camera select 180 degree, and olive shaped screen selects the camera type of flake.
In the present embodiment, as shown in fig. 6, will be encoded when rendering image module renders other normal videos or picture
Figure replaces with other normal videos or picture, and textures position haves no need to change.
In the present embodiment, as shown in figs 1 to 6, LED curved body include whole vault (ball), whole half vault (ball), be greater than 1/2 or
Less than hyperboloids moulding such as 1/2 half vaults (ball), bowl-type, ellipse and olive shapes.
In the present embodiment, as shown in figs 1 to 6, a kind of image processing method for LED curved body is based on 3Ds
Max software carries out source images using three-dimensional modeling, portion three-dimensional picture pasting, three-dimensional camera and three-dimensional rendering and video is handled, including
Following steps:
Step 1 simulates real screen size using three-dimensional software analog module, and create Surfaces moulding;
Step 2, the curved surface that then using area coding module maps out LED screen carry out region division, draw etc.
The regional code figure of ratio;
Then step 3 uses curve screens module by regional code map combining to curve screens;
Then step 4 utilizes analog video camera module, create analog video camera, camera is placed in curved body center;
Step 5, then according to curved surface mapping principle, the use of rendering image module by the curved surface content output on screen is symbol
Close the picture for the expansion that curve screens play.
In the present embodiment, as shown in figs 1 to 6, source images and video include shooting video, d-making video and each
The picture of kind format.
In the present embodiment, as in Fig. 1-Fig. 6, the course of work of the image processing method for LED curved body is as follows: root
It according to true surface modeling CAD size, is modeled using three-dimensional software equal proportion, simulation real screen size is then by LED screen
The curved surface mapped out carries out region division, and the regional code figure for drawing equal proportion puts on sequence by code pattern according to longitude and latitude equal part
Number, facilitate contraposition and detection position, then code pattern is covered to the surface model of equal proportion using three-dimensional software textures technology
On, suitable coordinate type is added to threedimensional model, if ball curtain model adds spherical coordinate mode, irregular model then uses exhibition
The mode of UV textures adjusts position of the code pattern on model, is finally bonded code pattern with curved body perfection, because of code pattern
Two-dimensional, and spectators are to be in LED curved space, it is seen that be not a two-dimensional surface, therefore code pattern is wrapped up
In a three-dimensional curved space, realize that surface texture is enclosed with two methods, one is use the normal vector on vertex to generate
Texture coordinate, the other is generating texture coordinate using the position vector on vertex.To guarantee display and the curved surface of code pattern
Moulding is consistent, and then creates analog video camera using three-dimensional software, and camera is placed in curved body center, camera type selection
Unified with surface modeling, the spherical camera type such as spherical screen selection, the field angle of camera selects 180 degree, olive shaped screen
The camera type of flake is selected, curved surface mapping principle is recycled, the curved surface content output on screen is broadcast to meet curve screens
The actual pixels size of the picture for the expansion put, final output picture size and curve screens is adapted, so as in LED Curved screen
Point-to-point perfect broadcasting on curtain, image type are the type for meeting the expansion picture of curve screens broadcasting.
In conclusion in the present embodiment, according to the image processing apparatus and image for LED curved body of the present embodiment
Processing method, the image processing apparatus and image processing method provided in this embodiment for LED curved body are based on 3Ds Max
Video camera principle and image processing techniques, using image spread and deformation, to adapt to different curve moulding LED screen, different LED
Curved body analog picture has authenticity, easy to operate, facilitates simulation, can restore actual size;Development cycle is short, exploitation at
This is low;And it is widely used, any source video form, including shooting video, d-making video, graphic form etc. can answer
Use the curved surface LED screen of different shaping;Image quality is high simultaneously, and full screen scene high-definition can enable details show
Beauty.
The above, further embodiment only of the present invention, but scope of protection of the present invention is not limited thereto, and it is any
Within the scope of the present disclosure, according to the technique and scheme of the present invention and its design adds those familiar with the art
With equivalent substitution or change, protection scope of the present invention is belonged to.
Claims (10)
1. a kind of image processing apparatus for LED curved body, it is characterised in that: described image processing unit includes:
Three-dimensional software analog module, for being modeled using three-dimensional software equal proportion, mould according to true surface modeling CAD size
Quasi- real screen size;
Regional code module, the curved surface for mapping out LED screen carry out region division, draw the regional code of equal proportion
Figure;
Curve screens module is given for code pattern to be covered to the surface model of equal proportion using three-dimensional software textures technology
Threedimensional model adds suitable coordinate type, adjusts position of the code pattern on model, finally that code pattern and curved body is perfect
Fitting;
Analog video camera module, for using three-dimensional software creation creation analog video camera, camera to be placed in curved body centre bit
It sets;
Image module is rendered, for utilizing curved surface mapping principle, the curved surface content output on screen is broadcast to meet curve screens
The actual pixels size of the picture for the expansion put, final output picture size and curve screens is adapted, and image type is to meet
The type for the expansion picture that curve screens play.
2. a kind of image processing apparatus for LED curved body according to claim 1, it is characterised in that: the coding
Figure is according to longitude and latitude equal part and puts on serial number, for aligning and detecting position.
3. a kind of image processing apparatus for LED curved body according to claim 1, it is characterised in that: the coding
Figure is X-Y scheme, and the code pattern is wrapped on a three-dimensional curved space by the curve screens module, the code pattern
Display be consistent with surface modeling.
4. a kind of image processing apparatus for LED curved body according to claim 3, it is characterised in that: the coding
Figure package solid surface method include:
Texture coordinate is generated using the normal vector on vertex, the normal vector is the vector perpendicular to plane, is called the plane
Normal vector;
Or, generating texture coordinate using the position vector on vertex.
5. a kind of image processing apparatus for LED curved body according to claim 1, it is characterised in that: the coordinate
Type includes the mode of spherical coordinate mode and exhibition UV textures, and the spherical coordinate mode is for adding in ball curtain model, institute
The mode of exhibition UV textures is stated for adding in irregular model.
6. a kind of image processing apparatus for LED curved body according to claim 1, it is characterised in that: the simulation
The camera type selection of video camera and surface modeling are unified, spherical camera type, the field angle of camera such as spherical screen selection
180 degree is selected, olive shaped screen selects the camera type of flake.
7. a kind of image processing apparatus for LED curved body according to claim 1, it is characterised in that: the rendering
Image module render other normal videos perhaps picture when the code pattern replaced with into other normal videos or picture, paste
Figure position haves no need to change.
8. a kind of image processing apparatus for LED curved body according to claim 1, it is characterised in that: the LED is bent
Face body includes whole vault (ball), whole half vault (ball), is greater than 1/2 or double less than 1/2 half vaults (ball), bowl-type, ellipse and olive shape etc.
Surface modeling.
9. a kind of image processing method for LED curved body, it is characterised in that: be to be built based on 3Ds max software using three-dimensional
Mould, portion three-dimensional picture pasting, three-dimensional camera and three-dimensional rendering carry out source images and video processing, comprising the following steps:
Step 1 simulates real screen size using three-dimensional software analog module, and create Surfaces moulding;
Step 2, the curved surface that then using area coding module maps out LED screen carry out region division, draw equal proportion
Regional code figure;
Then step 3 uses curve screens module by regional code map combining to curve screens;
Then step 4 utilizes analog video camera module, create analog video camera, camera is placed in curved body center;
Step 5, then according to curved surface mapping principle, the curved surface content output on screen is met into song using rendering image module
The picture for the expansion that face curtain plays.
10. a kind of image processing method for LED curved body according to claim 9, it is characterised in that: the source figure
Picture and video include the picture for shooting video, d-making video and various formats.
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CN111953863A (en) * | 2020-08-07 | 2020-11-17 | 山东金东数字创意股份有限公司 | Special-shaped LED point-to-point video snapshot mapping system and method |
CN114900682A (en) * | 2022-06-06 | 2022-08-12 | 华中科技大学 | Three-dimensional LED curved surface display method and system based on three-dimensional structure |
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Application publication date: 20190823 |