CN108597439B - Virtual reality image display method and terminal based on micro-distance LED display screen - Google Patents
Virtual reality image display method and terminal based on micro-distance LED display screen Download PDFInfo
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- CN108597439B CN108597439B CN201810441488.XA CN201810441488A CN108597439B CN 108597439 B CN108597439 B CN 108597439B CN 201810441488 A CN201810441488 A CN 201810441488A CN 108597439 B CN108597439 B CN 108597439B
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- 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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Abstract
The invention discloses a virtual reality image display method and a terminal based on a micro-space LED display screen, wherein the method comprises the following steps: acquiring the position information of an experiencer; determining the actual sight distance of the experiencer according to the position information; respectively determining the scaling, the display brightness and the display interval of the micro-interval LED display screen of the display picture according to the actual visual distance, and generating a driving signal; and displaying the virtual reality image according to the driving signal. The scaling of the display picture is adjusted according to the actual position of the experiencer, the display picture is more diversified, and the user experience can be greatly improved; the real-time adjustment of the display brightness can reduce energy consumption and improve the practicability and the universality of the virtual reality equipment.
Description
Technical Field
The invention relates to the technical field of virtual reality, in particular to a virtual reality image display method and a terminal based on a micro-space LED display screen.
Background
When the existing virtual reality image display system based on the micro-distance LED display screen displays images, the relationship between the images of an experiencer and the display proportion of a scene area and the experiencer is not large. When the visual range of an experiencer changes, the automatic zooming of a display picture and the automatic regulation and control of display brightness cannot be performed, so that the experience effect is influenced, the energy consumption is high, the product universality is poor, and the like.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the virtual reality image display method and the terminal based on the micro-space LED display screen can automatically adjust the proportion and the display brightness of a display picture, greatly improve the user experience and reduce the energy consumption.
In order to solve the technical problems, the invention adopts the technical scheme that:
a virtual reality image display method based on a micro-distance LED display screen comprises the following steps:
acquiring the position information of an experiencer;
determining the actual sight distance of the experiencer according to the position information;
respectively determining the scaling, the display brightness and the display interval of the micro-interval LED display screen of the display picture according to the actual visual distance, and generating a driving signal;
and displaying the virtual reality image according to the driving signal.
The invention adopts another technical scheme that:
a virtual reality image display terminal based on a fine-pitch LED display screen comprises:
a display terminal comprising a processor, a memory, and a computer program stored on the memory and executable on the processor,
the processor, when executing the computer program, implements the steps of:
acquiring the position information of an experiencer;
determining the actual sight distance of the experiencer according to the position information;
respectively determining the scaling, the display brightness and the display interval of the micro-interval LED display screen of the display picture according to the actual visual distance, and generating a driving signal;
and displaying the virtual reality image according to the driving signal.
The invention has the beneficial effects that: the scaling of the display picture is adjusted according to the actual position of the experiencer, the display picture is more diversified, and the user experience can be greatly improved; the real-time adjustment of the display brightness and the display distance of the LED display screen can reduce energy consumption and improve the practicability and the universality of the virtual reality equipment.
Drawings
Fig. 1 is a flowchart of a virtual reality image display method based on a micro-distance LED display screen according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fine-pitch LED display screen according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a virtual reality image display terminal based on a micro-pitch LED display screen according to a second embodiment of the present invention.
Description of reference numerals:
1. a virtual reality image display terminal based on a micro-distance LED display screen;
2. a processor; 3. a memory.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: the scaling and the display brightness of the display picture are determined according to the actual visual distance of an experiencer, so that the user experience can be greatly improved, and the energy consumption is reduced.
Referring to fig. 1 and 2, a virtual reality image display method based on a micro-pitch LED display screen includes:
acquiring the position information of an experiencer;
determining the actual sight distance of the experiencer according to the position information;
respectively determining the scaling, the display brightness and the display interval of the micro-interval LED display screen of the display picture according to the actual visual distance, and generating a driving signal;
and displaying the virtual reality image according to the driving signal.
From the above description, the beneficial effects of the present invention are: the scaling of the display picture is adjusted according to the actual position of the experiencer, the visual range of the experiencer is different, the size of the display picture is different, the display picture is more diversified, and the user experience can be greatly improved; the real-time adjustment of the display brightness and the display distance can reduce energy consumption and improve the practicability and the universality of the virtual reality equipment. When the actual sight distances are different, the distances between the lamp beads displayed in the LED display screen are also different.
Further, the determining the scaling of the display image according to the actual viewing distance specifically includes:
according to formula α ═ D1/D0Calculating the scaling of the display, wherein α denotes the scaling of the display, D1Representing the actual apparent distance, D0Indicating the optimum viewing distance, D1≥D0。
From the above description, it can be seen that the larger the actual line of sight, the larger the zoom, i.e. the farther the experiencer stands, the larger the display.
Further, the displaying the virtual reality image according to the driving signal specifically includes:
when α is less than or equal to 2, all lamp beads of the LED display screen work, the display interval is a standard interval, the display picture is zoomed according to a value α, and the display brightness changes linearly along with the change of a α value;
when n is larger than α and is not larger than n +1, the lamp bead part of the LED display screen works, the display interval is n times of the standard interval, the display picture is zoomed according to the value of α, the display brightness changes linearly along with the change of the α value, and n is a natural number larger than 1.
It can be known from the above description that, as the scaling increases, the brightness of the lamp beads also increases, and when the scaling is larger, the display interval is larger, the working lamp beads are smaller, and the energy consumption can be greatly saved. The standard interval is the distance between two adjacent lamp pearls in the LED display screen, also is the minimum distance of demonstration interval.
Further, the optimal viewing distance D0The distance value between two adjacent pixels is multiplied by 3000.
Furthermore, the standard spacing is less than or equal to 0.8 mm.
Known from the above description, the standard interval can specifically set up as required, and the distance between two adjacent lamp pearls can set up as required promptly, but should not be too big.
Referring to fig. 3, another technical solution related to the present invention is:
a virtual reality image display terminal 1 based on a fine-pitch LED display screen comprises a processor 2, a memory 3 and a computer program stored on the memory 3 and capable of running on the processor 2,
the processor, when executing the computer program, implements the steps of:
acquiring the position information of an experiencer;
determining the actual sight distance of the experiencer according to the position information;
respectively determining the scaling, the display brightness and the display interval of the micro-interval LED display screen of the display picture according to the actual visual distance, and generating a driving signal;
and displaying the virtual reality image according to the driving signal.
According to the description, the display terminal can automatically adjust the scaling and the display brightness of the display picture according to the actual visual distance, so that the user experience can be improved, and the energy consumption can be saved.
Further, the determining the scaling of the display image according to the actual viewing distance specifically includes:
according to formula α ═ D1/D0Calculating the scaling of the display, wherein α denotes the scaling of the display, D1Representing the actual apparent distance, D0Indicating the optimum viewing distance, D1≥D0。
Further, the displaying the virtual reality image according to the driving signal specifically includes:
when α is less than or equal to 2, all lamp beads of the LED display screen work, the display interval is a standard interval, the display picture is zoomed according to a value α, and the display brightness changes linearly along with the change of a α value;
when n is larger than α and is not larger than n +1, the lamp bead part of the LED display screen works, the display interval is n times of the standard interval, the display picture is zoomed according to the value of α, the display brightness changes linearly along with the change of the α value, and n is a natural number larger than 1.
Further, the optimal viewing distance D0The distance value between two adjacent pixels is multiplied by 3000.
Furthermore, the standard spacing is less than or equal to 0.8 mm.
Referring to fig. 1 and fig. 2, a first embodiment of the present invention is:
a virtual reality image display method based on a micro-distance LED display screen is disclosed, as shown in FIG. 1, and comprises the following steps:
and S1, acquiring the position information of the experiencer. The position information of the experiencer can be collected through the pressure sensor, can also be collected through the image sensor, and certainly can also be determined by combining the pressure sensor and the image sensor. In this embodiment, the position information may also be input by setting a data input information system, and different position information data may be input as required.
And S2, determining the actual visual range of the experiencer according to the position information. The distance between the experiencer and the LED display screen is different, and the actual visual distance is different.
S3, respectively determining the scaling of the display picture, the display brightness and the display spacing of the micro-spacing LED display screen according to the actual viewing distance, and generating a driving signal, namely, when the actual viewing distance changes, the scaling, the display brightness and the display spacing change accordingly, specifically, D is obtained according to the formula α1/D0Calculating the scaling of the display, wherein α denotes the scaling of the display, D1Representing the actual apparent distance, D0Indicating the optimum viewing distance, D1≥D0. The optimal visual range D0The distance value between two adjacent pixels is multiplied by 3000.
And S4, displaying the virtual reality image according to the driving signal.
In this embodiment, step S4 specifically includes:
s41, when α is less than or equal to 2, all lamp beads of the LED display screen work, the display space is a standard space, the display picture is zoomed according to the value of α, the display brightness changes linearly along with the change of α, the marking space is the distance between two adjacent lamp beads, namely the minimum distance of the display space, and in the embodiment, the standard space is preferably less than or equal to 0.8 mm.
S42, when n is more than α and less than or equal to n +1, the lamp beads of the LED display screen work partially, the display interval is n times of the standard interval, the display picture is zoomed according to the value of α, the display brightness changes linearly along with the change of α, wherein n is a natural number larger than 1. As shown in FIG. 2, assuming that the average area occupied by each lamp bead is a square of 1 x 1, the coordinate of the first lamp bead is (1,1), the coordinate of the working lamp bead is (nf +1, ng +1), wherein f and g are natural numbers, and the interval (n-1) lamp beads from the first lamp bead is the next working lamp bead.
Referring to fig. 3, the second embodiment of the present invention is:
a virtual reality image display terminal 1 based on a fine-pitch LED display screen corresponds to the method of the first embodiment and comprises a processor 2, a memory 3 and a computer program which is stored on the memory 3 and can run on the processor 2,
the processor 2, when executing the computer program, performs the steps of:
acquiring the position information of an experiencer;
determining the actual sight distance of the experiencer according to the position information;
respectively determining the scaling, the display brightness and the display interval of the micro-interval LED display screen of the display picture according to the actual visual distance, and generating a driving signal;
and displaying the virtual reality image according to the driving signal.
Further, the determining the scaling of the display image according to the actual viewing distance specifically includes:
according to formula α ═ D1/D0Calculating the scaling of the display, wherein α denotes the scaling of the display, D1Representing the actual apparent distance, D0Indicating the optimum viewing distance, D1≥D0. The optimal visual range D0The distance value between two adjacent pixels is multiplied by 3000.
Further, the displaying the virtual reality image according to the driving signal specifically includes:
when α is less than or equal to 2, all lamp beads of the LED display screen work, the display space is a standard space, the display picture is zoomed according to a value α, the display brightness changes linearly along with the change of α values, and the standard space is less than or equal to 0.8 mm.
When n is larger than α and is not larger than n +1, the lamp bead part of the LED display screen works, the display interval is n times of the standard interval, the display picture is zoomed according to the value of α, the display brightness changes linearly along with the change of the α value, and n is a natural number larger than 1.
In summary, the virtual reality image display method and the terminal based on the micro-space LED display screen provided by the invention can automatically adjust the scale, display brightness and display space of the display image, thereby greatly improving the user experience and reducing the energy consumption.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (6)
1. A virtual reality image display method based on a micro-space LED display screen is characterized by comprising the following steps:
acquiring the position information of an experiencer;
determining the actual sight distance of the experiencer according to the position information;
respectively determining the scaling, the display brightness and the display interval of the micro-interval LED display screen of the display picture according to the actual visual distance, and generating a driving signal;
displaying a virtual reality image according to the driving signal;
the determining the scaling of the display image according to the actual viewing distance specifically comprises:
according to formula α ═ D1/D0Calculating the scaling of the display, wherein α denotes the scaling of the display, D1Representing the actual apparent distance, D0Indicating the optimum viewing distance, D1≥D0；
The displaying of the virtual reality image according to the driving signal specifically includes:
when α is less than or equal to 2, all lamp beads of the LED display screen work, the display interval is a standard interval, the display picture is zoomed according to a value α, and the display brightness changes linearly along with the change of a α value;
when n is larger than α and is not larger than n +1, the lamp bead part of the LED display screen works, the display interval is n times of the standard interval, the display picture is zoomed according to the value of α, the display brightness changes linearly along with the change of the α value, and n is a natural number larger than 1.
2. The method as claimed in claim 1, wherein the optimal viewing distance D is a distance between adjacent LED display screens0The distance value between two adjacent pixels is multiplied by 3000.
3. The virtual reality image display method based on the micro-distance LED display screen is characterized in that the standard distance is less than or equal to 0.8 mm.
4. A virtual reality image display terminal based on a micro-distance LED display screen comprises a processor, a memory and a computer program which is stored on the memory and can run on the processor,
the processor, when executing the computer program, implements the steps of:
acquiring the position information of an experiencer;
determining the actual sight distance of the experiencer according to the position information;
respectively determining the scaling, the display brightness and the display interval of the micro-interval LED display screen of the display picture according to the actual visual distance, and generating a driving signal;
displaying a virtual reality image according to the driving signal;
the determining the scaling of the display image according to the actual viewing distance specifically comprises:
according to formula α ═ D1/D0Calculating the scaling of the display, wherein α denotes the scaling of the display, D1Representing the actual apparent distance, D0Indicating the optimum viewing distance, D1≥D0；
The displaying of the virtual reality image according to the driving signal specifically includes:
when α is less than or equal to 2, all lamp beads of the LED display screen work, the display interval is a standard interval, the display picture is zoomed according to a value α, and the display brightness changes linearly along with the change of a α value;
when n is larger than α and is not larger than n +1, the lamp bead part of the LED display screen works, the display interval is n times of the standard interval, the display picture is zoomed according to the value of α, the display brightness changes linearly along with the change of the α value, and n is a natural number larger than 1.
5. The fine-pitch LED display screen-based virtual reality image display terminal of claim 4, wherein the optimal visual distance D0The distance value between two adjacent pixels is multiplied by 3000.
6. The virtual reality image display terminal based on the micro-distance LED display screen is characterized in that the standard distance is less than or equal to 0.8 mm.
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| CN101072293B (en) * | 2006-05-09 | 2010-06-09 | 深圳Tcl新技术有限公司 | Device and method for automatically regulating television screen display |
| US20100053310A1 (en) * | 2008-08-31 | 2010-03-04 | Maxson Brian D | Transforming 3d video content to match viewer position |
| CN102158721B (en) * | 2011-04-06 | 2012-12-05 | 青岛海信电器股份有限公司 | Method and device for adjusting three-dimensional image and television |
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