CN116741058B - Method for optimizing joint seams of small-spacing LED spherical screen - Google Patents
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Abstract
The application discloses a small-space LED spherical screen joint optimization method, which belongs to the field of LED display screens, wherein an LED spherical screen comprises a plurality of unit boxes, each unit box comprises a plurality of rectangular blocks, each rectangular block is arranged into an m-n matrix, two symmetrically distributed trapezoidal blocks are spliced on the left side and the right side of each row in the matrix, each trapezoidal block is a right trapezoid, and a triangular gap exists between two trapezoidal blocks of two adjacent rows in the same column; the small-spacing LED spherical screen seam optimization method comprises the following steps: the widths of all the triangular gaps in the LED spherical screen are calculated, and the sizes of the splicing positions of the corresponding trapezoid blocks are respectively adjusted according to the widths of the triangular gaps so as to reduce the widths of the triangular gaps. The small-space LED spherical screen seam optimization method provided by the application realizes better seamless seam, avoids the influence of seam on the integrity of the picture, and improves the display effect of the spherical picture.
Description
Technical Field
The application relates to a small-spacing LED spherical screen joint optimization method, and belongs to the field of LED display screens.
Background
The spherical screen display is a special-shaped display technology, and achieves a richer and vivid display effect by transmitting a picture to be played to a spherical surface for display, so that strong visual impact is given to people. At present, the method is widely applied to scenes such as scientific and technical exhibition, advertising, creative exhibition and the like, can randomly play programs with video, graphics context and images, and plays various information in a real-time, synchronous and clear information transmission mode.
At present, most of common spherical screen display on the market uses a plurality of projection devices to splice and complete projection of a large screen, because the projector has large limitation on the requirements on the environment brightness, severe requirements on the placement position, influence on user experience by a projection light path, severe requirements on the environment brightness and other factors, the spherical screen display in the prior art has low brightness, and the projection devices occupy space, have high manufacturing cost, unstable brightness and are easily interfered by the environment, so that the visual experience is influenced. At present, the mainstream LED ball curtain screen in the market adopts the LED lamp panels with large point spacing to splice, and the granule sense is strong, and the splice gap is obvious, does not accord with the demand of people to 'immersive' visual effect suitability. Along with the continuous improvement of the LED display technology, the miniaturization of pixel units has become a necessary trend in the field of high-end application, and the high-density small-space LED display has the advantages of high brightness, high definition, high color saturation, wide viewing angle, seamless splicing and the like which are incomparable with the traditional LCD and DLP display, so that the technological process is greatly optimized by flip-chip integrated packaging, and the display effect is improved. The small-spacing LEDs allow future spherical screen display to achieve more shocking visual effects, and with the improvement of the material living standard of vast consumers and the improvement of the living quality requirements, the requirements on the effect quality of display products are also increasingly improved, and the adoption of the small-spacing LEDs to achieve high-quality spherical screen display becomes the first choice of people.
In the production of small pitch LEDs, small pitch LEDs are typically obtained by making modules of various shapes and splicing the modules. However, in the actual module splicing process, the spheres are spliced by using the planar modules, and gaps are inevitably generated between the modules, so that the display effect is affected.
Disclosure of Invention
The application aims to provide a small-space LED spherical screen seam optimization method, which realizes better seamless seam and improves the display effect of spherical pictures.
In order to achieve the above object, a first aspect of the present application provides a method for optimizing a joint of a small-pitch LED spherical screen, where the LED spherical screen includes a plurality of unit boxes, each unit box includes a plurality of rectangular blocks, each rectangular block is arranged as a matrix with m x n, two symmetrically distributed trapezoidal blocks are spliced on left and right sides of each row in the matrix, where the trapezoidal blocks are right trapezoid, and a triangular gap exists between two trapezoidal blocks of two adjacent rows in the same column;
the small-space LED spherical screen seam optimization method comprises the following steps:
and calculating the widths of all the triangular gaps in the LED spherical screen, and respectively adjusting the sizes of the splicing parts of the corresponding trapezoid blocks according to the widths of the triangular gaps so as to reduce the widths of the triangular gaps.
In one embodiment, the calculating the widths of all triangular slits present in the LED sphere screen includes:
for any trapezoidal block, respectively obtaining vertex coordinates of the trapezoidal block and a rectangular block adjacent to one side of a right-angle side of the trapezoidal block, and respectively determining the width of a gap existing on the two sides of the upper bottom edge and the lower bottom edge of the trapezoidal block according to each vertex coordinate;
and determining the width of a triangular gap between two adjacent trapezoidal blocks in the same column according to the width of the gap between the upper and lower edges of each trapezoidal block in the same column.
In one embodiment, the obtaining the vertex coordinates of the trapezoid block and the rectangle block adjacent to the right-angle side of the trapezoid block includes:
acquiring coordinates of two vertexes on oblique side of trapezoid blockAnd two vertex coordinates of the rectangular block adjacent to the right-angle side of the trapezoid block +.>；
According to two vertexes of right-angle edge of said trapezoid blockAt->On the straight line, the upper and lower bottom edges of the trapezoid block are respectively equal to +.>The following equations are established for the perpendicular geometry:
solving the equation to obtain two vertex coordinates on the right angle side of the trapezoid block。
In one embodiment, the determining the width of the gap existing on both sides of the upper and lower bottom edges of the trapezoid block according to each vertex coordinate includes:
according to two vertexes of right-angle edge of said trapezoid blockThe size of the trapezoid block is obtained through calculation, and the width of a gap existing on the two sides of the upper bottom edge and the lower bottom edge of the trapezoid block is determined according to the size of the trapezoid block, wherein the size of the trapezoid block comprises the upper bottom edge length, the lower bottom edge length, the right-angle edge length and the hypotenuse edge length.
In one embodiment, determining the width of the triangular gap between two adjacent trapezoidal blocks in the same column according to the width of the gap between the upper and lower sides of each trapezoidal block in the same column includes:
calculating the upper bottom edge of the trapezoid blockVertex of the rectangular block->Distance of->The width of the upper half gap serving as one side of the upper bottom edge of the trapezoid block;
calculating the lower bottom edge of the trapezoid blockVertex of the rectangular block->Distance of->The width of the lower half gap serving as one side of the lower bottom edge of the trapezoid block;
and determining the width of the triangular gap existing between two adjacent trapezoidal blocks in the same column according to the width of the upper half gap and the width of the lower half gap of each trapezoidal block in the same column.
In one embodiment, the determining the width of the triangular slit existing between two adjacent trapezoidal blocks in two rows in the same column according to the width of the upper half slit and the width of the lower half slit of each trapezoidal block in the same column includes:
for any one of the trapezoid blocks in the same column, determining the width of a triangular gap existing between the trapezoid block and the other trapezoid block according to the width of a lower half gap of the trapezoid block and the width of an upper half gap of the other trapezoid block adjacent to the lower bottom edge of the trapezoid block.
In one embodiment, the adjusting the size of the splice of the corresponding trapezoidal blocks according to the width of each triangular slit includes:
and increasing the size of the spliced part of the corresponding trapezoid blocks according to the width of each triangular gap, wherein the size of the spliced part comprises the upper bottom edge length, the lower bottom edge length, the right-angle edge length and the hypotenuse edge length of the trapezoid blocks.
In one embodiment, after the adjusting the size of the splicing position of the corresponding trapezoidal block according to the width of each triangular gap, the method further includes:
obtaining the optimized width of all triangular gaps existing in the LED spherical screen, wherein the optimized width is the width of the triangular gaps existing between two adjacent trapezoidal blocks in the same column after the size of the splicing position of the corresponding trapezoidal blocks is adjusted;
judging whether the optimized width of each triangular gap meets preset conditions, and directly splicing the two corresponding trapezoidal blocks when the optimized width meets the preset conditions;
and when the optimized width does not meet the preset condition, cutting the bottom edges of the two corresponding trapezoidal blocks according to the optimized width, and then splicing the two trapezoidal blocks.
A second aspect of the present application provides an electronic device, comprising: a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the first aspect or any implementation of the first aspect as described above when the computer program is executed.
A third aspect of the present application provides a computer readable storage medium storing a computer program which when executed by a processor performs the steps of the first aspect or any implementation of the first aspect.
From the above, the application provides a small-space LED spherical screen joint optimization method, which is characterized in that the widths of all triangular gaps existing in the LED spherical screen are calculated, and the sizes of the joints of the corresponding trapezoid blocks are respectively adjusted according to the widths of the triangular gaps so as to reduce the widths of the triangular gaps. The small-spacing LED spherical screen joint optimization method provided by the application can be applied to small-spacing LED spherical screens, and the purpose of reducing the physical gaps between corresponding trapezoid blocks is achieved by increasing the size of the joint, so that the physical gaps are smaller than the range which can be perceived by human eyes, better seamless joint is realized, the influence of the joint on the integrity of the picture is avoided, and the display effect of the spherical picture is improved.
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In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a basic structure of an LED spherical screen according to an embodiment of the present application;
fig. 2 is a schematic diagram of splicing an LED spherical screen according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a basic structure of a unit case according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a triangular gap between upper and lower layers of a unit case according to an embodiment of the present application;
fig. 5 is a schematic diagram of adjusting a size of a splice according to an embodiment of the present application;
FIG. 6 is a schematic diagram of vertex coordinates of a trapezoid block and a rectangle block according to an embodiment of the present application;
fig. 7 is a schematic diagram of a triangular slit after adjusting the size of a splice according to an embodiment of the present application.
In the figure: 1-a unit box body; 2-rectangular blocks; 3-trapezoid blocks; 4-regular polygon module.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It should be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
Example 1
The embodiment of the application provides a small-space LED spherical screen seam optimization method, as shown in figures 1-4, wherein the LED spherical screen comprises a spherical display module with the diameter d, a spherical part is divided into n equivalent basic unit petals, each basic unit petal is divided into k unit boxes 1, each unit box 1 comprises a plurality of rectangular blocks 2 with equal width and unequal height and trapezoid blocks 3 with different sizes, and each rectangular block 2 is arranged into a matrix with the size of m x n. Each row in the matrix is aligned from the middle to two ends of the rectangular block 2, is arranged in a spherical symmetrical mode from high to low, and two symmetrically distributed trapezoidal blocks 3 are spliced on the left side and the right side of each of the two ends of the row, wherein each trapezoidal block 3 is a right trapezoid, and a triangular gap exists between two trapezoidal blocks 3 of two adjacent rows in the same column;
the small-spacing LED spherical screen seam optimization method comprises the following steps: and calculating the widths of all the triangular gaps in the LED spherical screen, and respectively adjusting the sizes of the splicing positions of the corresponding trapezoid blocks 3 according to the widths of the triangular gaps so as to reduce the widths of the triangular gaps.
In the actual manufacturing process of the LED display module, particularly in the production and processing process of the small-space LED display module, the processing difficulty of the trapezoid module is much higher than that of the rectangle module, and the processing difficulty is sequentially ordered: the isosceles trapezoid is larger than the right trapezoid and larger than the rectangular module, and the production of the rectangular module can be completed by machine automation, so that the ideal production efficiency is achieved; in addition, in the process of producing a spherical screen, the less the types of modules are, the lower the difficulty and complexity of production are. Therefore, the embodiment of the application designs the spherical screen with the top capped by the regular polygon module 4 and the spherical body composed of the unit box body 1 with the cambered surface isosceles trapezoid. However, in the actual splicing process, the spherical body is spliced by using the planar modules, and gaps are inevitably generated between the modules, so that the embodiment of the application increases the radius of the spliced part between the basic unit petals to increase the size of the trapezoidal blocks and reduces the physical gaps between the modules to be smaller than the range which can be perceived by human eyes by adjusting the size of the trapezoidal blocks at the spliced part, as shown in fig. 5, so that the picture integrity is not affected, and the best visual effect of spherical display is presented.
Optionally, triangular half-slits appear on the upper and lower sides of each trapezoid block 3 respectively, so that triangular slits are also formed between two trapezoid blocks 3 of two adjacent rows of the same column clock, and calculating the width of all triangular slits existing in the LED spherical screen includes:
for any trapezoid block 3, respectively obtaining vertex coordinates of the trapezoid block 3 and a rectangle block 2 adjacent to one side of a right-angle side of the trapezoid block 3, and respectively determining widths of gaps existing on two sides of the upper bottom side and the lower bottom side of the trapezoid block 3 according to the vertex coordinates;
the width of the triangular gap between two adjacent trapezoidal blocks 3 in the same column is determined according to the width of the gap between the upper and lower bottom edges of each trapezoidal block 3 in the same column.
Optionally, in the sphere splicing scheme, in order to ensure the splicing of the rectangular trapezoid and the rectangle, as shown in fig. 6, in the embodiment of the application, two vertexes on the left side of the rectangular trapezoid are used as the intersection point of the trapezoid block 3 and the basic unit valve, the right side is aligned with the left side of the rectangular block 2, the vertexes on the right side are positioned on the side of the rectangular block 2, the position of the rectangular trapezoid on the side of the rectangular block 2 is calculated according to the geometric relationship, and the coordinates of the two vertexes on the right side of the trapezoid block 3 are calculated, so that the size of the trapezoid block can be calculated. In one embodiment, the obtaining the vertex coordinates of the trapezoid block 3 and the rectangular block 2 adjacent to the right-angle side of the trapezoid block 3 includes:
obtaining coordinates of two vertexes on the inclined edge of the trapezoid block 3And two vertex coordinates of the rectangular block 2 adjacent to the right-angle side of the trapezoidal block 3 +.>；
According to two vertexes on right-angle side of the trapezoid block 3At->On the straight line, the upper and lower bottom edges of the trapezoid block 3 are respectively equal to +.>The following equations are established for the perpendicular geometry:
solving the equation to obtainTwo vertex coordinates on right angle side of the trapezoid block 3。
Optionally, the determining the width of the gap existing on the two sides of the upper and lower bottom edges of the trapezoid block 3 according to the vertex coordinates includes:
according to two vertexes on right-angle side of the trapezoid block 3The size of the trapezoid block 3 is obtained through calculation, and the width of a gap existing on the two sides of the upper bottom edge and the lower bottom edge of the trapezoid block 3 is determined according to the size of the trapezoid block 3, wherein the size of the trapezoid block 3 comprises the upper bottom edge length, the lower bottom edge length, the right angle edge length and the bevel edge length.
Optionally, determining the width of the triangular gap existing between two adjacent trapezoidal blocks 3 in two rows in the same column according to the width of the gap existing on the two sides of the upper bottom edge and the lower bottom edge of each trapezoidal block 3 in the same column includes:
calculating the upper bottom edge of the trapezoid block 3Vertex of said rectangular block 2 +.>Distance of->The width of the upper half gap on the upper base side of the trapezoid block 3.
Calculating the lower bottom edge of the trapezoid block 3Vertex of said rectangular block 2 +.>Distance of->Width of lower half slit as lower bottom side of the trapezoid block 3；
The width of the triangular gap existing between two adjacent trapezoidal blocks 3 in the same column is determined according to the width of the upper half gap and the width of the lower half gap of each trapezoidal block 3 in the same column.
Optionally, the determining the width of the triangular gap existing between two adjacent trapezoidal blocks 3 in two rows in the same column according to the width of the upper half gap and the width of the lower half gap of each trapezoidal block 3 in the same column includes:
for any one of the trapezoidal blocks 3 in the same column, the width of the triangular slit existing between the trapezoidal block 3 and the other trapezoidal block 3 is determined according to the width of the lower half slit of the trapezoidal block 3 and the width of the upper half slit of the other trapezoidal block 3 adjacent to the lower bottom edge of the trapezoidal block 3.
Optionally, as shown in fig. 5, the adjusting the size of the splicing position of the corresponding trapezoidal blocks 3 according to the width of each triangular slit includes: and increasing the size of the spliced part of the corresponding trapezoid block 3 according to the width of each triangular gap, wherein the size of the spliced part comprises the upper bottom edge length, the lower bottom edge length, the right-angle side edge length and the bevel side length of the trapezoid block 3.
Further, after the sizes of the splicing positions of the corresponding trapezoidal blocks 3 are respectively adjusted according to the widths of the triangular gaps, the method further comprises the following steps:
obtaining the optimized width of all triangular gaps existing in the LED spherical screen, wherein the optimized width is the width of the triangular gaps existing between two adjacent trapezoidal blocks in the same column after the size of the splicing position of the corresponding trapezoidal block 3 is adjusted;
judging whether the optimized width of each triangular gap meets preset conditions, and directly splicing the two corresponding trapezoidal blocks 3 when the optimized width meets the preset conditions;
and when the optimized width does not meet the preset condition, cutting the bottom edges of the two corresponding trapezoidal blocks 3 according to the optimized width, and then splicing the two trapezoidal blocks 3.
In one embodiment, after the size of the splice of the corresponding ladder block 3 is adjusted, the width values of the upper half slit and the lower half slit of the corresponding ladder block 3 have negative values, which indicates that the upper/lower bottom edge of the corresponding ladder block 3 has exceeded the layer height of the present row, which may affect the splicing of the subsequent ladder blocks 3, and various situations may occur, as shown in fig. 7, which will be discussed below, in which the slit may occur:
first case (corresponding to N in fig. 7): the upper module edge gap (namely the lower half gap of the trapezoid block 3) and the lower module edge gap (namely the upper half gap of the other trapezoid block 3) are both positive values (namely the optimized width of the formed triangular gap meets the preset condition), and the normal triangular gap is formed after the splicing, so that the normal splicing can be performed.
Second case (corresponding to B1 in fig. 7): the gaps between the edges of the upper module and the edges of the lower module are negative values, the numerical values are symmetrical (namely, the optimized width of the formed triangular gap does not meet the preset condition), the upper layer and the lower layer exceed the boundary, the 'arching' phenomenon occurs, and the bottom edge of one module (namely, the corresponding trapezoid block 3) needs to be cut according to the optimized width and the actual splicing condition.
Third case (corresponding to B2 in fig. 7): the edge gap of the lower module is negative, the upper module is upwards propped, the edge gap of the upper module is positive and inwards concave, the two are mutually offset (namely, the optimized width of the formed triangular gap meets the preset condition), the gap is reduced, and normal splicing can be realized at the moment.
Fourth case (corresponding to B3 in fig. 7): the edge gap of the lower module is negative, the upper module is upwards propped, the edge gap of the upper module is positive and inwards concave, the two cannot be counteracted (namely, the optimized width of the formed triangular gap does not meet the preset condition), a slight arch phenomenon occurs, and normal splicing can be realized only by slightly trimming the edges of the upper module and the lower module.
The embodiment of the application shows the effect of the method through experiments, and when the radius of the LED spherical screen is 2.5m, the size of the trapezoid block and the generated gap parameters are calculated as shown in table 1:
TABLE 1 trapezoidal block size and resulting gap parameters
After the size of the splicing position of each trapezoid block 3 is increased according to the method provided by the embodiment of the application, the radius of the LED spherical screen is 2506mm, and the size of the trapezoid block 3 after adjustment and the generated gap parameters are calculated as shown in Table 2:
TABLE 2 trapezoidal block size after adjustment and resulting gap parameters
As can be seen from comparing the data in table 1 and table 2, after the small-pitch LED spherical screen seam is optimized by the method provided by the embodiment of the present application, all the seams become a state that can be spliced and acceptable, and the method has a significant optimizing effect.
From the above, the embodiment of the application provides a small-space LED spherical screen joint optimization method, which is characterized in that the widths of all triangular gaps existing in the LED spherical screen are calculated, and the sizes of the joints of corresponding trapezoid blocks are respectively adjusted according to the widths of the triangular gaps so as to reduce the widths of the triangular gaps. The small-pitch LED spherical screen joint optimization method provided by the embodiment of the application can be applied to small-pitch LED spherical screens, and the purpose of reducing the physical gaps between corresponding trapezoid blocks is achieved by increasing the size of the joint, so that the physical gaps are smaller than the range which can be perceived by human eyes, thereby realizing better seamless joint, avoiding the influence of the joint on the integrity of the picture and improving the display effect of the spherical picture.
Example two
The embodiment of the application provides an electronic device, which comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the memory is used for storing the software program and a module, and the processor executes various functional applications and data processing by running the software program and the module stored in the memory. The memory and the processor are connected by a bus. In particular, the processor implements any of the steps of the above-described embodiment by running the above-described computer program stored in the memory.
It should be appreciated that in embodiments of the present application, the processor may be a central processing unit (Central Processing Unit, CPU), which may also be other general purpose processors, digital signal processors (Digital Signal Processor, DSPs), application specific integrated circuits (Application Specific Integrated Circuit, ASICs), off-the-shelf programmable gate arrays (Field-Programmable Gate Array, FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory may include read-only memory, flash memory, and random access memory, and provides instructions and data to the processor. Some or all of the memory may also include non-volatile random access memory.
From the above, the electronic device provided by the embodiment of the application realizes the method for optimizing the joint of the small-pitch LED spherical screen as provided in the first embodiment by running the computer program, and reduces the width of each triangular gap by calculating the widths of all the triangular gaps existing in the LED spherical screen and adjusting the joint sizes of the corresponding trapezoidal blocks according to the widths of each triangular gap. The small-pitch LED spherical screen joint optimization method provided by the embodiment of the application can be applied to small-pitch LED spherical screens, and the purpose of reducing the physical gaps between corresponding trapezoid blocks is achieved by increasing the size of the joint, so that the physical gaps are smaller than the range which can be perceived by human eyes, thereby realizing better seamless joint, avoiding the influence of the joint on the integrity of the picture and improving the display effect of the spherical picture.
It should be appreciated that the above-described integrated modules/units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer-readable storage medium. Based on such understanding, the present application may implement all or part of the flow of the method of the above embodiment, or may be implemented by instructing related hardware by a computer program, where the computer program may be stored in a computer readable storage medium, and the computer program may implement the steps of each of the method embodiments described above when executed by a processor. The computer program comprises computer program code, and the computer program code can be in a source code form, an object code form, an executable file or some intermediate form and the like. The computer readable medium may include: any entity or device capable of carrying the computer program code described above, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth. The content of the computer readable storage medium can be appropriately increased or decreased according to the requirements of the legislation and the patent practice in the jurisdiction.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional units and modules is illustrated, and in practical application, the above-described functional distribution may be performed by different functional units and modules according to needs, i.e. the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-described functions. The functional units and modules in the embodiment may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit, where the integrated units may be implemented in a form of hardware or a form of a software functional unit. In addition, the specific names of the functional units and modules are only for distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working process of the units and modules in the above system may refer to the corresponding process in the foregoing method embodiment, which is not described herein again.
It should be noted that, the method and the details thereof provided in the foregoing embodiments may be combined into the apparatus and the device provided in the embodiments, and are referred to each other and are not described in detail.
Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other manners. For example, the apparatus/device embodiments described above are merely illustrative, e.g., the division of modules or elements described above is merely a logical functional division, and may be implemented in other ways, e.g., multiple elements or components may be combined or integrated into another system, or some features may be omitted, or not performed.
The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.
Claims (7)
1. The method for optimizing the joint of the small-space LED spherical screen is characterized in that the LED spherical screen comprises a plurality of unit boxes (1), each unit box (1) comprises a plurality of rectangular blocks (2), each rectangular block (2) is arranged into a matrix with m x n, two symmetrically distributed trapezoidal blocks (3) are spliced on the left side and the right side of each row in the matrix, wherein each trapezoidal block (3) is a right trapezoid, and a triangular gap exists between two trapezoidal blocks (3) of two adjacent rows in the same column;
the small-space LED spherical screen seam optimization method comprises the following steps:
calculating the widths of all triangular gaps existing in the LED spherical screen, and respectively adjusting the sizes of the splicing positions of the corresponding trapezoid blocks (3) according to the widths of the triangular gaps so as to reduce the widths of the triangular gaps;
the calculating the widths of all triangular gaps existing in the LED spherical screen comprises:
for any trapezoid block (3), vertex coordinates of the trapezoid block (3) and vertex coordinates of a rectangular block (2) adjacent to one side of a right-angle side of the trapezoid block (3) are respectively obtained, and the widths of gaps existing on the two sides of the upper bottom side and the lower bottom side of the trapezoid block (3) are respectively determined according to the vertex coordinates;
according to the widths of gaps existing on the two sides of the upper bottom edge and the lower bottom edge of each trapezoid block (3) in the same column, determining the widths of triangular gaps existing between two adjacent trapezoid blocks (3) in the same column;
the obtaining the vertex coordinates of the trapezoid block (3) and the rectangular block (2) adjacent to the right-angle side of the trapezoid block (3) respectively includes:
obtaining two vertex coordinates on the inclined edge of the trapezoid block (3)And two vertex coordinates of the rectangular block (2) adjacent to the right-angle side of the trapezoid block (3)>；
According to the two vertices on the right-angle side of the trapezoid block (3)At->On the straight line, and the upper and lower bottom edges of the trapezoid block (3) are respectively equal to +.>The following equations are established for the perpendicular geometry:
solving the equation to obtain two vertex coordinates on the right angle side of the trapezoid block (3)；
The splice size comprises the upper bottom edge length, the lower bottom edge length, the right angle side length and the hypotenuse side length of the trapezoid block (3).
2. The method for optimizing the seam of the small-pitch LED spherical screen according to claim 1, wherein the step of determining the width of the seam existing on both sides of the upper and lower bottom edges of the trapezoid block (3) according to the vertex coordinates comprises the steps of:
according to the two vertices on the right-angle side of the trapezoid block (3)The size of the trapezoid block (3) is obtained through calculation, and the width of a gap existing on the two sides of the upper bottom edge and the lower bottom edge of the trapezoid block (3) is determined according to the size of the trapezoid block (3), wherein the size of the trapezoid block (3) comprises the upper bottom edge length, the lower bottom edge length, the right-angle edge length and the bevel edge length.
3. The method for optimizing the seam of the small-pitch LED spherical screen according to claim 1, wherein determining the width of the triangular seam existing between two adjacent trapezoidal blocks (3) in the same column according to the width of the seam existing on both sides of the upper and lower bottom edges of each trapezoidal block (3) in the same column comprises:
calculating the upper bottom edge of the trapezoid block (3)Is +/with the vertex of the rectangular block (2)>Distance of->The width of the upper half gap serving as the upper base side of the trapezoid block (3);
calculating the lower bottom edge of the trapezoid block (3)Is +/with the vertex of the rectangular block (2)>Distance of->The width of the lower half gap at the lower base side of the trapezoid block (3);
and determining the width of a triangular gap existing between two adjacent trapezoidal blocks (3) in the same column according to the width of the upper half gap and the width of the lower half gap of each trapezoidal block (3) in the same column.
4. A method for optimizing a seam of a small-pitch LED spherical screen according to claim 3, wherein determining the width of a triangular seam existing between two adjacent trapezoidal blocks (3) in the same column according to the width of an upper half seam and the width of a lower half seam of each trapezoidal block (3) in the same column comprises:
for any one of the trapezoid blocks (3) in the same column, determining the width of a triangular gap existing between the trapezoid block (3) and the other trapezoid block (3) according to the width of a lower half gap of the trapezoid block (3) and the width of an upper half gap of the other trapezoid block (3) adjacent to the lower bottom edge of the trapezoid block (3).
5. The method for optimizing the splice joint of the small-pitch LED spherical screen according to claim 1, wherein after adjusting the size of the splice joint of the corresponding trapezoid blocks (3) according to the width of each triangular gap, the method further comprises:
obtaining the optimized width of all triangular gaps existing in the LED spherical screen, wherein the optimized width is the width of the triangular gaps existing between two adjacent trapezoidal blocks in the same column after the size of the splicing position of the corresponding trapezoidal blocks (3) is adjusted;
judging whether the optimized width of each triangular gap meets preset conditions, and directly splicing the two corresponding trapezoidal blocks (3) when the optimized width meets the preset conditions;
when the optimized width does not meet the preset condition, the bottom edges of the two corresponding trapezoidal blocks (3) are cut according to the optimized width, and then the two trapezoidal blocks (3) are spliced.
6. An electronic device, comprising: memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of the method according to any one of claims 1 to 5 when the computer program is executed.
7. A computer readable storage medium storing a computer program, characterized in that the computer program when executed by a processor implements the steps of the method according to any one of claims 1 to 5.
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