CN109559675A - A kind of warp direction addressing display methods based on panorama spherical surface display - Google Patents
A kind of warp direction addressing display methods based on panorama spherical surface display Download PDFInfo
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- CN109559675A CN109559675A CN201811301209.6A CN201811301209A CN109559675A CN 109559675 A CN109559675 A CN 109559675A CN 201811301209 A CN201811301209 A CN 201811301209A CN 109559675 A CN109559675 A CN 109559675A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of, and the warp direction based on panorama spherical surface display addresses display methods, Step 1: determining scanning sequence: regulation is scanned along warp direction first, and the next line of adjacent longitude is entered after a line end of scan；Step 2: acquiring panorama spherical surface resolution ratio；Step 3: establishing matrix, projection filling: a two-dimensional matrix is established for storing frame image data, the element of the matrix is by the duplication of corresponding spherical surface image pixel and assignment；Step 4: scanning display.The present invention enables spherical surface image pixel be belonging respectively to multiple and different row matrixs, and frame buffer copies in corresponding row address when addressing, compatible tradition display scanning sequence；It is not required to adjustment display timing, it can be backward compatible；Compared with traditional determinant addressing, two axis for using the longitude and latitude of spheric coordinate system to address as panorama solve curved-surface structure and address difficult problem, panorama spherical surface display is enabled to be detached from the dependence of processor, it is directly decoded and is addressed by hardware circuit, reduce cost.
Description
Technical field
The present invention relates to panoramic pictures to show, image addresses display field, and closing cockpit information is shown and interaction field, tool
Body is related to a kind of warp direction addressing display methods based on panorama spherical surface display.
Background technique
In recent years, augmented reality, virtual reality technology, the multiple fields such as aviation field rapidly develop, for panorama
The acquisition and display requirement of image are continuously improved, and the status that panorama is shown is carried out in closing cockpit and is more highlighted with value.
Panorama display system is mainly used in two scenes, is based on virtual reality first, this panorama display methods exists
It is more popular in prior art.But the panorama displaying scheme based on virtual reality requires user to wear VR mostly
Mirror, this not only will limit the visual field of user, while can make troubles the action of user, and there is also marginal distortions, easily
Generate the problems such as dizzy sense.
Second application scenarios of panorama display system are closing cockpit display systems.Traditional closing cockpit display system
Middle display portion mostly uses multi-aspect unit, i.e., realizes that panorama is shown by the splicing of muti-piece two-dimensional screen.This display module pair
The control module answered really passes through muti-piece video frequency collection card, respectively controls the content that muti-piece screen is shown, different images are shown
It is shown on different screen, the content of display is interrelated.The process of this displaying scheme addressing and display is relatively simple.But its base
Splice in two-dimensional screen and realize, number of screen is limited；When the better display effect of pursuit, attempt to be spliced into more with flat-faced screen
When fine cambered surface, the display screen quantity and corresponding video frequency collection card high number that this scheme requires increase；Meanwhile parallel
The complexity for controlling these video frequency collection cards and display screen is also significantly greatly increased, therefore corresponding hardware and software cost increases severely.Cause
This, this scheme is difficult to realize in the enclosed environment of spherical surface or other irregular shells.
In addition, showing for spherical panorama, the addressing of image is a yet unresolved issue, and traditional display equipment is all
It is the determinant scanning based on two-dimensional surface, and spherical surface image cannot disposably traverse all pictures in the case where being not processed
Element.
Summary of the invention
The technical problems to be solved by the present invention are:
Show that the present invention proposes one kind because addressing difficult problem caused by its curved-surface structure to solve panorama spherical surface
Panorama spherical surface display and a kind of addressing display methods based on panorama spherical surface display.
The present invention uses following technical scheme to solve above-mentioned technical problem:
The present invention proposes a kind of warp direction addressing display methods based on panorama spherical surface display, comprising steps of
Step 1: determining scanning sequence: regulation is scanned along warp direction first, and adjacent longitude is entered after a line end of scan
Next line；The angle for enabling scanning element and centre of sphere line and z-axis positive axis is scan angle α, enables scanning element to z-axis vertical line and 0 degree
The angle in warp face is scan angle β；Along same longitude scanning process, the range of scan angle α is 0 degree and arrives 180 degree；In longitude
In the scanning process of variation, the range of scan angle β is from 0 degree to 360 degree；
Step 2: acquiring panorama spherical surface resolution ratio: enabling spherical surface pel spacing is d, and the radius of a ball of panorama spherical surface display is
R, then panorama spherical surface resolution ratio indicates are as follows:
Wherein, ymFor the total pixel number on warp direction, xmFor the total pixel number on weft direction；
Step 3: establishing matrix, projection filling: an x is establishedm*ymTwo-dimensional matrix, for storing frame image data, institute
The element of matrix is stated by the duplication of corresponding spherical surface image pixel and assignment；
Step 4: scanning display: the scanning element scans on spherical surface display according to timing described in step 1, by step
Three matrix elements are sequentially output.
A kind of foregoing warp direction based on panorama spherical surface display addresses display methods, further, described
Pole pixel is connected to every a line display driving with solid line.
A kind of foregoing warp direction based on panorama spherical surface display addresses display methods, further, described
Pole pixel is not connected to display driving, and the pixel period that leaves some space on Timing driver.
A kind of foregoing warp direction based on panorama spherical surface display addresses display methods, further, step
During the four scanning displays, for providing multirow driving circuit close to pole pixel particle, make the compatible tradition of driving circuit
Driving.
The invention adopts the above technical scheme compared with prior art, has following technical effect that
1. panorama spherical surface pixel is divided with longitude and latitude and is arranged by the addressing display methods, the Zhou Changxiang of different longitude warps
Together, multiple and different rows are belonging respectively to close to the pixel of pole, frame buffer addressing will repeat pixel and copy to corresponding row address
In, compatible tradition display scanning sequence；
2. this method only operates the pixel arrangement of frame buffer, the row pixel data being misaligned is carried out at uniform alignment
Reason, the memory headroom that every a line is occupied all are aligned with maximum row, and empty pixel space, which is all provided with, is set to black.Although the method is internal
The use for depositing capacity becomes more, but is not required to carry out other operations, such as adjustment display timing, can be directly compatible with traditional
Show timing.
It, can be with 3. the addressing method is compared with traditional determinant addressing, two axis for using longitude and latitude to address as panorama
Panoramic picture is directly displayed on spherical surface display, therefore solves spherical panorama and shows because being sought caused by its curved-surface structure
Location difficult problem enables panorama spherical surface display to be detached from the dependence of processor, is directly decoded and is addressed by hardware circuit, drop
Low cost, improves efficiency, and unified panorama shows standard.
Detailed description of the invention
Fig. 1 is warp row synchronous scanning coordinate schematic diagram；
Fig. 2 is the relation schematic diagram of pole pixel and matrix；
Fig. 3 is the relation schematic diagram of pixel and matrix；
Fig. 4 is corresponding bottom circuit drives；
Fig. 5 is the structure chart of panorama spherical surface display；
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing:
Those skilled in the art can understand that unless otherwise defined, all terms used herein (including skill
Art term and scientific term) there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Also
It should be understood that those terms such as defined in the general dictionary should be understood that have in the context of the prior art
The consistent meaning of meaning will not be explained in an idealized or overly formal meaning and unless defined as here.
Addressing display methods of the present invention is used to solve the Problems Existing under panorama spherical surface display situation, therefore it is
Existing for a kind of hardware based on panorama spherical surface display.This display shows that it is extremely for realizing the panorama spherical surface of image
It less include spherical housing, spherical circuit substrate, luminescent material, spherical protective layer, spherical electric pole plate and addressing circuit.It is described
Panorama spherical surface display can also include power supply unit and video input interface.Fig. 5 show the structure of panorama spherical surface display
Figure.The spherical shape circuit substrate is as the electrode of display panel and the driving source of light-emitting particles；The luminescent material is used for conduct
The light emitting source of the panorama spherical surface display；The luminescent material, spherical protective layer and spherical electric pole plate pass sequentially through physics
Depositional mode is attached on spherical circuit substrate.
The display direction of the panorama spherical surface display includes showing outside ball and showing into ball；The luminescent device
It is bonded by the point light source device shown suitable for spherical surface is densely arranged, such as LED patch.Narration in detail with reference to the accompanying drawing
Addressing display methods of the present invention.
Fig. 1 show scanning sequency coordinate schematic diagram.When observing spherical coordinate model, the earth's axis is enabled to be in vertical shape first
State, that is, warp direction is enabled to be in longitudinal, weft direction is in laterally.In scanning process of the present invention, first along warp
The scanning of line direction, that is, using warp direction as the line direction of display scanning sequence；Enter next line after a line end of scan,
At this moment select next line foundation be along weft direction, that is, allow weft direction as show scanning sequence column direction.?
During longitude, the longitudinal scanning across weft, the range of scan angle α is 0 degree and arrives 180 degree；Along longitude, across the transverse direction of line
In scanning process, the range of scan angle β is from 0 degree to 360 degree.
The coordinate system and scanning sequence of spherical scanning are defined, next it needs to be determined that the resolution of panorama spherical surface display
Rate.
Corresponding to different display material particle scales, by taking MiniLED as an example, the pel spacing of LED patch is d, if entirely
The radius of scape spherical surface display is r, then panorama resolution ratio is as follows:
In the case where panorama spherical surface display sizes determine, the resolution ratio of image has thus been determined.
On the other hand, this programme guarantees that image data is still complete two-dimensional matrix, therefore can be compatible with traditional figure
As addressing method.Since display addressing timing is along warp direction, near pole, multiple elements are stored in two-dimensional matrix
Be the same pixel in image value.
Because the pixel number of every a line be it is identical, meet traditional display addressing state, can be addressed from memory.According to
Traditional display addressing method, to resolution ratio xm*ymPicture frame be addressed, it is determined that pixel clock period can be obtained directly
To the frame per second of display.Image frame data needs to copy to a pixel in multirow, as shown in Figure 3.Consider Fig. 2 extreme case,
Only one pixel at leftmost pole, the element in the corresponding image data matrix of the pixel are located at all of matrix
Row, it would be desirable to the value of the pixel in image be copied in every a line of image data matrix, be copied into y from a pixelm
A value storage.It is fewer and fewer toward centre repetition from the two poles of the earth, without repetition at equator.Density sum number amount depends on the resolution of display
The density of light-emitting particles in rate and spherical surface.
The corresponding bottom circuit drives of the method for the invention are as shown in Figure 4.Close to the image pixel of pole, each pixel
The several elements that do not go together in correspondence image data matrix, pixel is all corresponding in every a line in image data matrix at pole
One element.These corresponding relationships can be connected with solid line, can also be not connected to, the pixel that leaves some space on Timing driver week
Phase.
The above is only some embodiments of the invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (4)
1. a kind of warp direction based on panorama spherical surface display addresses display methods, which is characterized in that comprising steps of
Step 1: determining scanning sequence: regulation is scanned along warp direction first, is entered under adjacent longitude after a line end of scan
A line；The angle for enabling scanning element and centre of sphere line and z-axis positive axis is scan angle α, enables scanning element to z-axis vertical line and 0 degree of warp
The angle in face is scan angle β；Along same longitude scanning process, the range of scan angle α is 0 degree and arrives 180 degree；Change in longitude
Scanning process in, the range of scan angle β is from 0 degree to 360 degree；
Step 2: acquiring panorama spherical surface resolution ratio: enabling spherical surface pel spacing is d, and the radius of a ball of panorama spherical surface display is r, then
Panorama spherical surface resolution ratio indicates are as follows:
Wherein, ymFor the total pixel number on warp direction, xmFor the total pixel number on weft direction；
Step 3: establishing matrix, projection filling: an x is establishedm*ymTwo-dimensional matrix, for storing frame image data, the square
The element of battle array is by the duplication of corresponding spherical surface image pixel and assignment；
Step 4: scanning display: the scanning element scans on spherical surface display according to timing described in step 1, by step 3 institute
Matrix element is stated to be sequentially output.
2. a kind of warp direction based on panorama spherical surface display as described in claim 1 addresses display methods, feature exists
In the pole pixel is connected to every a line display driving with solid line.
3. a kind of warp direction based on panorama spherical surface display as described in claim 1 addresses display methods, feature exists
In the pole pixel is not connected to display driving, and the pixel period that leaves some space on Timing driver.
4. a kind of warp direction based on panorama spherical surface display as described in claim 1 addresses display methods, feature exists
During scanning display described in step 4, for providing multirow driving circuit, making driving circuit close to pole pixel particle
Compatible conventional ADS driving.
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| CN201811301209.6A CN109559675B (en) | 2018-11-02 | 2018-11-02 | Warp direction addressing display method based on panoramic spherical display |
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| CN107221259A (en) * | 2017-06-30 | 2017-09-29 | 成都成电光信科技股份有限公司 | A kind of spherical display and display methods |
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| US20140028791A1 (en) * | 2011-01-31 | 2014-01-30 | Samsung Electronics Co., Ltd. | Photographing apparatus for photographing panoramic image and method thereof |
| CN102915680A (en) * | 2012-01-13 | 2013-02-06 | 深圳市康硕展电子有限公司 | Pixel arrangement structure of spherical LED (Light-Emitting Diode) display screen |
| CN106558017A (en) * | 2015-09-25 | 2017-04-05 | 无锡羿飞科技有限公司 | Spherical display image processing method and system |
| US20170091899A1 (en) * | 2015-09-30 | 2017-03-30 | Satoshi Mitsui | Image management apparatus and system, and method for controlling display of captured image |
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