CN114664216B - Display system with MPO optical fiber function - Google Patents
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- CN114664216B CN114664216B CN202210157263.8A CN202210157263A CN114664216B CN 114664216 B CN114664216 B CN 114664216B CN 202210157263 A CN202210157263 A CN 202210157263A CN 114664216 B CN114664216 B CN 114664216B
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- 239000013307 optical fiber Substances 0.000 title abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000009467 reduction Effects 0.000 claims description 51
- 238000001514 detection method Methods 0.000 claims description 15
- 229940075875 delta d3 Drugs 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 2
- 230000008054 signal transmission Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
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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
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/06—Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. optical fibres
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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
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
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Abstract
The invention relates to the technical field of display, in particular to a display system with MPO optical fiber function, which comprises a display unit, a central control unit, an MPO optical fiber function unit and a signal receiving unit, wherein the display unit is used for displaying MPO optical fiber function information; the display unit is provided with an image definition adjusting module for displaying images and adjusting the image definition of different areas; the MPO optical fiber function unit is connected with the display unit and the signal receiving unit and is used for transmitting input signals; the signal receiving signal is used for receiving a remote control signal; the central control unit controls each unit to carry out corresponding work, various limiting constants are set, and accurate and rapid adjustment of the definition of a displayed image and rapid transmission of an input signal are achieved. The invention can realize accurate and rapid adjustment of the definition of the display image and rapid transmission of the input signal.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display system with MPO optical fiber function.
Background
The display system can provide a user with playing pictures such as audio, video, pictures and the like, and is widely used in daily life. At present, a remote control technology is generally adopted to operate a display unit, the display unit is generally provided with a remote controller and a signal receiver arranged in a television in a matching way, the signal receiver is generally positioned at the bottom of the front surface of display equipment, and a user transmits a control command to the signal receiver through the remote controller so as to operate; in order to facilitate the user to judge whether the display equipment is turned on or fails, an indicating lamp is further arranged at the bottom of the front face of the display equipment.
The prior art can adjust the image of the display image in the display system to a certain degree and optimize the inside of the display unit to a certain degree, but cannot realize the precise and intelligent adjustment of the image definition and the optimization of the internal structure of the display unit of the large-capacity display system and the signal transmission capacity enhancement.
Chinese patent publication No.: CN107682089A discloses a display device. Through set up optical fiber transmission module in the inside certain configuration optimization and the reduction equipment size that have realized the display inside at the display, therefore can see, display device have the display element definition adjust accurate and bigger capacity signal transmission problem inadequately. Chinese patent publication No.: CN104166967A discloses a method for improving image definition, which performs interpolation processing on a video image according to the resolution of an original video image and the resolution of a display device, performs adaptive texture enhancement on each pixel point by using the texture degree of the video image, and finally modifies the gray histogram of the video image to enhance the contrast of the video image, improve the video image with a narrow dynamic range and lacking necessary details, which has concentrated gray distribution, and improve the definition of the video image. This method does not provide for adjustment of the sharpness after the image is produced and lacks precision regional adjustment of sharpness.
Disclosure of Invention
Therefore, the invention provides a display system with MPO optical fiber function, which is used for overcoming the problems that the image definition adjustment in the display system in the prior art is not accurate enough and the internal signal transmission of a display unit with larger capacity is realized.
In order to achieve the above object, the present invention provides a display system with MPO optical fiber function, comprising a signal receiving unit for receiving remote control signals; the MPO transmission unit is connected with the signal receiving unit and is used for transmitting the remote control signal and sending the remote control signal to the display unit; the display unit is connected with the MPO transmission unit and used for receiving the remote control signal transmitted by the MPO transmission unit and displaying a corresponding image; and the central control unit is respectively connected with the display module, the definition adjusting module, the definition detecting module, the MPO conveying unit and the signal receiving unit and is used for controlling and adjusting each unit to normally work. The central control unit detects the resolution of the image when the display module generates the display image and gradually restores the resolution of the image when the resolution of the image is too low, and in the restoration process, the central control unit judges whether the resolution of the image needs to be locally restored according to the generation time of the image after resolution restoration.
Further, the display unit includes:
the definition detection module is used for detecting the definition of the image;
and the definition adjusting module is connected with the image definition detecting module and is used for adjusting the image definition.
Further, the sharpness detection module includes:
the image size detector is connected with the central control unit and is used for detecting the size of the image to be generated;
the time detector is respectively connected with the display module and the central control unit and is used for recording and calculating the time for generating the image;
the area color quantity detector is respectively connected with the display module and the central control unit and is used for detecting the color quantity of a single area;
and the area number detector is respectively connected with the display module and the central control unit and is used for detecting the number of areas needing image restoration.
Furthermore, a preset definition standard value D0 is set in the central control unit, when the display unit performs primary display to generate an image, the central control unit controls the definition detection module to detect the resolution D of the generated image and compares D with D0,
if D is larger than or equal to D0, the central control unit judges that the definition of the generated image meets a preset standard value, and the resolution of the image is not reduced;
and if D is less than D0, the central control unit judges that the definition of the generated image does not accord with a preset standard value and restores the resolution of the image.
Further, the central control unit is provided with a first preset definition difference value delta D1, a second preset definition difference value delta D2 and a third preset definition difference value delta 3, wherein delta D1 is smaller than delta D2 and smaller than delta D3, when the central control unit judges that the definition of the generated image does not accord with a preset standard value, the central control unit calculates the difference value delta D between D and D0 to determine the reduction degree aiming at the resolution of the image, and sets delta D = D0-D,
if the delta D is less than the delta D1, the central control unit controls the definition adjusting module to adjust the resolution reduction degree to 70%;
if the delta D1 is more than or equal to delta D and less than delta D2, the central control unit controls the definition adjusting module to adjust the resolution reduction degree to 80%;
if the delta D2 is more than or equal to the delta D and less than the delta D3, the central control unit controls the definition adjusting module to adjust the resolution reduction degree to 85%;
if the delta D is more than or equal to the delta D3, the central control unit controls the definition adjusting module to adjust the resolution reduction degree to 90%;
when the central control unit controls the definition adjusting module to complete the definition reduction of the generated image, the central control unit detects the definition D 'of the reduced image again, and if D' is less than D0, the central control unit controls the definition adjusting module to reduce the resolution of the image again until the definition of the adjusted image meets the standard.
Furthermore, the central control unit is also provided with a preset image generation time T0, when the central control unit controls the definition adjusting module to complete the definition reduction of the generated image, the central control unit controls the time detector to detect the generation time T of the image with the reduced resolution and compares the T with the T0,
if T is larger than or equal to T0, the central control unit judges that the reduction time does not meet a preset standard value, and the image is subjected to region division so as to perform local reduction on the resolution of the image;
if T is less than T0, the central control unit judges that the reduction time meets a preset standard value, does not carry out resolution memorability local reduction on the image and outputs the image.
The central control unit is also provided with a first preset image generation time length difference delta T1, a second preset image generation time length delta T2, a first preset area quantity ratio adjusting coefficient beta 1 and a second preset area quantity ratio adjusting coefficient beta 2, wherein T1 is more than T2, and beta 1 is more than 0.3 and more than beta 2 and less than 1; when the central control unit judges the number of the areas, the central control unit calculates the difference value Delta T between T and T0 to determine the number ratio of the adjusting areas, sets Delta T = T-T0,
if the delta T is less than or equal to the delta T1, the central control unit sets the area quantity ratio of the image as a preset ratio E0;
if the delta T1 is less than the delta T and less than or equal to the delta T2, the central control unit sets the area number proportion of the image as E1, and sets E1= E0 multiplied by beta 1;
if Δ T > Δt2, the central control unit sets the area number ratio of the image to E2, and sets E2= E0 × β 2.
Further, the central control unit is provided with a first preset size R1, a second preset size R2, a first preset area quantity adjusting coefficient alpha 1 and a second preset area quantity adjusting coefficient alpha 2, wherein R1 is more than R2, and alpha 1 is more than 1 and more than alpha 2 and less than 1.3; when the central control unit divides the image into regions to locally reduce the resolution of the image, the central control unit controls the image size detector to detect the size R of the generated image and compares R with R1 and R2 respectively,
if R is less than or equal to R1, the central control unit sets the number of the areas of the image to be a preset number N0;
if R1 is larger than R and is smaller than or equal to R2, the central control unit divides the image into regions and sets the number of the regions to be N1, and N1= N0 × α 1 is set;
if R > R2, the central control unit performs region division on the image and sets the number of regions to N2, setting N2= N0 × α 2;
and when the adjusted number of the areas is a decimal number, rounding up.
Furthermore, the central control unit is provided with a preset single area color quantity constant Z0, when the central control unit calculates the quantity ratio of the adjusting areas, the central control unit controls the single area color quantity Z detected by the color quantity detector and compares the Z with the Z0,
if Z is larger than or equal to Z0, the central control unit judges that the color quantity of the area meets a preset standard, and the area does not carry out resolution adjustment;
and if Z is less than Z0, the central control unit controls the definition adjusting module to adjust the resolution of the area.
Furthermore, the central control unit is also provided with a preset reduction area quantity A0, after the central control unit determines the reduction area quantity after finishing area division, the central control unit controls the area quantity A which is detected by the area quantity detector and needs to be reduced and compares A with A0,
if A is larger than or equal to A0, the central control unit judges that the number of the areas needing to be restored does not meet a preset standard value, and the central control unit controls the definition adjusting module to restore the resolution of the areas with the number of the A0 areas;
and if A is less than A0, the central control unit controls the definition adjusting module to restore the resolution of all the areas with the number of the areas needing restoring.
Furthermore, the central control unit is provided with a preset pixel density B0 between two adjacent regions, and after the central control unit screens the number of the regions needing to be restored, the central control unit controls the pixel density B of the adjacent region detected by the pixel density detector of the adjacent region and compares the pixel density B with the B0,
if B is larger than or equal to B0, the central control unit judges that the pixel density of the adjacent area does not meet a preset standard value, and the adjacent area is not restored;
and if B is less than B0, the central control unit controls the definition adjusting module to restore the resolution of the adjacent area.
Compared with the prior art, the display has the advantages that the MPO transmission unit is arranged to realize the rapid transmission and large-capacity transmission of signals inside the display; the definition of the image is accurately and rapidly adjusted by arranging a definition detection module and a definition adjusting module in the display unit, and the regions with different sizes are detected by arranging an image size detector to realize accurate classification of the regions; by setting the time detector, the time length of the generated image is detected, and accurate time control and accurate reduction are further realized; through setting up the central control unit, control and adjust each the unit is orderly normal work, has further realized the accurate quick adjustment of image definition.
Furthermore, the definition detection module and the definition adjustment module are arranged to detect and adjust the definition of the image, so that the detection precision and the adjustment speed of the definition are improved, the precision detection and the adjustment of the definition of the display unit are further improved, and the precision and the quick adjustment of the definition of the image are realized.
Furthermore, the image size detector, the time detector, the area color number detector and the area number detector are arranged to respectively detect the size of the image, the image generation time, the area color number and the area number and transmit the detection data to the central control unit, so that the area accuracy of image resolution restoration is improved, and the accurate and rapid adjustment of the image definition is realized.
Furthermore, the definition transmitted back by the definition detection module is judged by setting the preset definition standard value, and the areas which do not accord with the preset definition standard value are screened out for resolution reduction, so that the definition reduction accuracy is improved, and the image definition is further accurately and quickly adjusted.
Furthermore, the invention sets the preset definition difference value, compares the actual definition difference value with the preset definition difference value, and controls the definition adjusting module to accurately reduce the resolution reduction degree, thereby further realizing the accurate and rapid adjustment of the image definition.
Furthermore, the invention compares the reduced image generation time with the preset image generation time by setting the preset image generation time, the preset image generation time difference and the preset area quantity ratio adjustment coefficient to determine whether the image resolution needs to be locally reduced or the image needs to be output, thereby realizing the accurate control of the local reduction.
Furthermore, the invention detects the image size during local reduction and divides the number of the regions by setting the preset image size and region number adjusting coefficient, thereby realizing the accurate adjustment of the number of the regions according to the image size and further realizing the accurate and rapid adjustment of the image definition.
Furthermore, the resolution ratio of the areas with the color number exceeding the preset single area is not adjusted by setting the color number constant of the single area, and the resolution ratio of the areas with the color number less than the preset single area is adjusted, so that the accurate judgment and control of the adjustment of the resolution ratio of the areas according to the color number characteristic points are realized, and the accurate and quick adjustment of the image definition is further realized.
Furthermore, the number of the preset reduction areas is set, the areas needing to be reduced are further judged and confirmed, the accurate control of the number of the reduction areas and the accurate reduction of the areas needing to be reduced are realized, the accuracy and the efficiency of the area reduction are improved, and the accurate and quick adjustment of the image definition is further realized.
Furthermore, the pixel density between two preset adjacent areas is set, the pixel density of the adjacent areas is compared with the pixel density of the adjacent areas in the screened area number needing to be restored, whether the resolution of the adjacent areas is restored or not is judged according to the size relation between the actual pixel density and the pixel density between the two preset adjacent areas, further accuracy of the restored areas is achieved, and further accurate and rapid adjustment of the image definition is achieved.
Drawings
Fig. 1 is a block diagram of a display system with MPO fiber function according to the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and do not delimit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, a display system with MPO fiber function is characterized by comprising:
the signal receiving unit is used for receiving a remote control signal;
the MPO transmission unit is connected with the signal receiving unit and is used for transmitting the remote control signal output by the signal receiving unit to the display unit;
the display unit is connected with the MPO transmission unit and used for receiving the remote control signal transmitted by the MPO transmission unit and displaying a corresponding image; the display unit comprises a display module for displaying images, a definition adjusting module for adjusting the definition of the images displayed by the display module and a definition detecting module for detecting the definition of the images displayed by the display module;
the central control unit is respectively connected with the display module, the definition adjusting module, the definition detecting module, the MPO conveying unit and the signal receiving unit and is used for controlling and adjusting each unit to normally work; the central control unit detects the image resolution when the display module generates the display image and gradually restores the image resolution when the image resolution is too low, and in the restoring process, the central control unit judges whether the image resolution needs to be locally restored according to the generation time of the image after resolution restoration.
With continued reference to fig. 1, the display unit includes:
the definition detection module is used for detecting the definition of the image;
and the definition adjusting module is connected with the image definition detecting module and is used for adjusting the image definition.
With continued reference to fig. 1, the sharpness detection module includes:
the image size detector is connected with the central control unit and is used for detecting the size of the image to be generated;
the time detector is respectively connected with the display module and the central control unit and is used for recording and calculating the time for generating the image;
the area color quantity detector is respectively connected with the display module and the central control unit and is used for detecting the color quantity of a single area;
and the region number detector is respectively connected with the display module and the central control unit and is used for detecting the number of regions needing image restoration.
As shown in fig. 1, a preset definition standard value D0 is set in the central control unit, and when the display unit performs the preliminary display to generate an image, the central control unit controls the definition detection module to detect the resolution D of the generated image and compare D with D0,
if D is larger than or equal to D0, the central control unit judges that the definition of the generated image meets a preset standard value, and the resolution of the image is not reduced;
and if D is less than D0, the central control unit judges that the definition of the generated image does not accord with a preset standard value and restores the resolution of the image.
As shown in fig. 1, the central control unit has a first predetermined definition difference Δ D1, a second predetermined definition difference Δ D2, a third predetermined definition difference Δ 3, and Δ D1 is smaller than Δ D2 is smaller than Δ D3, when the central control unit determines that the definition of the generated image does not meet a predetermined standard value, the central control unit calculates a difference Δ D between D and D0 to determine a reduction degree for the resolution of the image, sets Δ D = D0-D,
if the delta D is less than the delta D1, the central control unit controls the definition adjusting module to adjust the resolution reduction degree to 70%;
if the delta D1 is more than or equal to the delta D and less than the delta D2, the central control unit controls the definition adjusting module to adjust the resolution reduction degree to 80%;
if the delta D2 is more than or equal to delta D and less than delta D3, the central control unit controls the definition adjusting module to adjust the resolution reduction degree to 85 percent;
if the delta D is more than or equal to the delta D3, the central control unit controls the definition adjusting module to adjust the resolution reduction degree to 90%;
when the central control unit controls the definition adjusting unit to complete the definition reduction of the generated image, the central control unit detects the definition D 'of the reduced image again, and if D' is less than D0, the central control unit controls the definition adjusting unit to reduce the resolution of the image again until the definition of the adjusted image meets the standard.
As shown in fig. 1, the central control unit further has a preset image generating time T0, when the central control unit controls the sharpness adjusting unit to complete the resolution restoration of the generated image, the central control unit controls the time detector to detect the image generating time T with the resolution restored, and compares T with T0,
if T is larger than or equal to T0, the central control unit judges that the reduction time does not meet a preset standard value, and performs region division on the image to perform local reduction on the resolution of the image;
if T is less than T0, the central control unit judges that the reduction time meets a preset standard value, does not carry out resolution memorability local reduction on the image and outputs the image.
The central control unit is also provided with a first preset image generation time length difference delta T1, a second preset image generation time length delta T2, a first preset area quantity ratio adjusting coefficient beta 1 and a second preset area quantity ratio adjusting coefficient beta 2, wherein T1 is more than T2, and beta 1 is more than 0.3 and more than beta 2 and less than 1; when the central control unit judges the number of the areas, the central control unit calculates the difference value Delta T between T and T0 to determine the number ratio of the adjusting areas, sets Delta T = T-T0,
if the delta T is less than or equal to the delta T1, the central control unit sets the area quantity ratio of the image as a preset ratio E0;
if the delta T1 is less than the delta T and less than or equal to the delta T2, the central control unit sets the area number ratio of the image as E1, and sets E1= E0 × beta 1;
if Δ T > Δt2, the central control unit sets the area number ratio of the image to E2, and sets E2= E0 × β 2.
As shown in fig. 1, the central control unit has a first preset size R1, a second preset size R2, a first preset area quantity adjusting coefficient α 1, and a second preset area quantity adjusting coefficient α 2, where R1 is greater than R2, and 1 is greater than α 1 and less than α 2 and less than 1.3; when the central control unit divides the image into regions to locally reduce the resolution of the image, the central control unit controls the image size detector to detect the size R of the generated image and compares R with R1 and R2 respectively,
if R is less than or equal to R1, the central control unit sets the number of the areas of the image to be a preset number N0;
if R1 is larger than R and smaller than or equal to R2, the central control unit divides the image into regions and sets the number of the regions to be N1, and N1= N0 × α 1 is set;
if R > R2, the central control unit performs region division on the image and sets the number of regions to N2, setting N2= N0 × α 2;
and when the adjusted number of the areas is a decimal, rounding up.
As shown in fig. 1, the central control unit has a preset single-zone color number constant Z0, and after the central control unit calculates the number ratio of the adjustment zones, the central control unit controls the single-zone color number Z detected by the color number detector and compares Z with Z0,
if Z is larger than or equal to Z0, the central control unit judges that the number of the colors of the area meets the preset standard, and the resolution of the area is not adjusted;
and if Z is less than Z0, the central control unit controls the definition adjusting module to adjust the resolution of the area.
As shown in fig. 1, the central control unit further has a preset number A0 of reduction regions, and after the central control unit determines the number of reduction regions after completing the region division, the central control unit controls the number a of the regions to be reduced detected by the region number detector and compares a with A0,
if A is larger than or equal to A0, the central control unit judges that the number of the areas needing to be reduced does not accord with a preset standard value, and the central control unit controls the definition adjusting module to reduce the resolution of the areas with the number of the A0 areas;
and if A is less than A0, the central control unit controls the definition adjusting module to restore the resolution of all the areas with the number of the areas needing restoring.
As shown in fig. 1, the central control unit presets a pixel density B0 between two adjacent regions, and when the central control unit screens the number of regions to be restored, the central control unit controls the pixel density B of the adjacent region detected by the pixel density detector of the adjacent region and compares the pixel density B with the pixel density B0,
if B is larger than or equal to B0, the central control unit judges that the pixel density of the adjacent area does not meet a preset standard value, and the adjacent area is not restored;
and if B is less than B0, the central control unit controls the definition adjusting module to restore the resolution of the adjacent area.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A display system with MPO fiber function, comprising:
the signal receiving unit is used for receiving a remote control signal;
the MPO transmission unit is connected with the signal receiving unit and is used for transmitting the remote control signal output by the signal receiving unit to the display unit;
the display unit is connected with the MPO transmission unit and used for receiving the remote control signal transmitted by the MPO transmission unit and displaying a corresponding image; the display unit comprises a display module for displaying images, a definition adjusting module for adjusting the definition of the images displayed by the display module and a definition detecting module for detecting the definition of the images displayed by the display module;
the central control unit is respectively connected with the display module, the definition adjusting module, the definition detecting module, the MPO transmission unit and the signal receiving unit and is used for controlling and adjusting each unit to normally work; the central control unit detects the resolution of the image when the display module generates the display image and gradually restores the resolution of the image when the resolution of the image is too low, and in the restoring process, the central control unit judges whether the resolution of the image needs to be locally restored according to the generation time of the image after resolution restoration; the central control unit is also provided with preset image generation time T0, when the central control unit controls the definition adjusting unit to finish the definition reduction of the generated image, the central control unit controls the time detector to detect the generation time T of the image with the resolution reduction finished and compares the T with the T0,
if T is larger than or equal to T0, the central control unit judges that the reduction time does not meet a preset standard value, and the image is subjected to region division so as to perform local reduction on the resolution of the image;
if T is less than T0, the central control unit judges that the reduction time meets a preset standard value, does not carry out local reduction on the resolution of the image and outputs the image;
the central control unit is also provided with a first preset image generation time length difference delta T1, a second preset image generation time length delta T2, a first preset area quantity ratio adjusting coefficient beta 1 and a second preset area quantity ratio adjusting coefficient beta 2, wherein delta T1 is less than delta T2, and beta 1 is more than 0.3 and less than beta 2 and less than 1; when the central control unit judges the number of the areas, the central control unit calculates the difference value Delta T between T and T0 to determine the number ratio of the adjusting areas, sets Delta T = T-T0,
if the delta T is less than or equal to the delta T1, the central control unit sets the area quantity ratio of the image as a preset ratio E0;
if the delta T1 is less than the delta T and less than or equal to the delta T2, the central control unit sets the area number ratio of the image as E1, and sets E1= E0 × beta 1;
if Δ T > Δt2, the central control unit sets the area number ratio of the image to E2, and sets E2= E0 × β 2.
2. The MPO fiber-enabled display system of claim 1, wherein the display unit comprises:
the definition detection module is used for detecting the definition of the image;
and the definition adjusting module is connected with the image definition detecting module and is used for adjusting the image definition.
3. The MPO fiber capable display system of claim 2, wherein the sharpness detection module comprises:
the image size detector is connected with the central control unit and is used for detecting the size of the image to be generated;
the time detector is respectively connected with the display module and the central control unit and is used for recording and calculating the time for generating the image;
the area color quantity detector is respectively connected with the display module and the central control unit and is used for detecting the color quantity of a single area;
and the area number detector is respectively connected with the display module and the central control unit and is used for detecting the number of areas needing image restoration.
4. The MPO fiber-enabled display system of claim 1, wherein a preset definition standard value D0 is set in the central control unit, and when the display unit performs preliminary display to generate an image, the central control unit controls the definition detection module to detect a resolution D of the generated image and compare D with D0,
if D is larger than or equal to D0, the central control unit judges that the definition of the generated image meets a preset standard value, and the resolution of the image is not reduced;
and if D is less than D0, the central control unit judges that the definition of the generated image does not accord with a preset standard value and restores the resolution of the image.
5. The MPO fiber optic display system according to claim 4, wherein the central control unit is provided with a first predetermined definition difference Δ D1, a second predetermined definition difference Δ D2, a third predetermined definition difference Δ D3, Δ D1 < [ delta ] D2 < [ delta ] D3, the central control unit calculates a difference Δ D between D and D0 to determine a reduction degree for the resolution of the image when the central control unit determines that the definition of the generated image does not meet a predetermined standard value, setting Δ D = D0-D,
if the delta D is less than the delta D1, the central control unit controls the definition adjusting module to adjust the resolution reduction degree to 70%;
if the delta D1 is more than or equal to delta D and less than delta D2, the central control unit controls the definition adjusting module to adjust the resolution reduction degree to 80%;
if the delta D2 is more than or equal to the delta D and less than the delta D3, the central control unit controls the definition adjusting module to adjust the resolution reduction degree to 85%;
if the delta D is more than or equal to the delta D3, the central control unit controls the definition adjusting module to adjust the resolution reduction degree to 90%;
when the central control unit controls the definition adjusting module to complete the definition reduction of the generated image, the central control unit detects the definition D 'of the reduced image again, and if D' is less than D0, the central control unit controls the definition adjusting module to reduce the resolution of the image again until the definition of the adjusted image meets the standard.
6. The MPO fiber optic function display system of claim 5, wherein the central control unit is provided with a first preset dimension R1, a second preset dimension R2, a first preset zone number adjustment factor α 1 and a second preset zone number adjustment factor α 2, wherein R1 < R2,1 < α 2 < 1.3; when the central control unit divides the image into regions to locally reduce the resolution of the image, the central control unit controls the image size detector to detect the size R of the generated image and compares R with R1 and R2 respectively,
if R is less than or equal to R1, the central control unit sets the number of the areas of the image to be a preset number N0;
if R1 is larger than R and smaller than or equal to R2, the central control unit divides the image into regions and sets the number of the regions to be N1, and N1= N0 × α 1 is set;
if R > R2, the central control unit divides the image into regions and sets the number of the regions to be N2, and N2= N0 × α 2 is set;
and when the adjusted number of the areas is a decimal, rounding up.
7. The MPO fiber-optic display system of claim 3, wherein the central control unit is provided with a preset single zone color number constant Z0, and when the central control unit calculates the number ratio of the adjustment zones, the central control unit controls the single zone color number Z detected by the zone color number detector and compares Z with Z0,
if Z is larger than or equal to Z0, the central control unit judges that the number of the colors of the area meets the preset standard, and the resolution of the area is not adjusted;
and if Z is less than Z0, the central control unit controls the definition adjusting module to adjust the resolution of the area.
8. The MPO fiber-enabled display system of claim 7, wherein the central control unit further has a preset number A0 of reduction regions, and when the central control unit determines the number of reduction regions after completing the region division, the central control unit controls the number A of regions to be reduced detected by the number-of-regions detector and compares A with A0,
if A is larger than or equal to A0, the central control unit judges that the number of the areas needing to be restored does not meet a preset standard value, and the central control unit controls the definition adjusting module to restore the resolution of the areas with the number of the A0 areas;
if A is less than A0, the central control unit controls the definition adjusting module to perform resolution reduction on all the areas needing to be reduced.
9. The MPO fiber-enabled display system of claim 8, wherein the central control unit is configured to preset a pixel density B0 between two adjacent regions, and when the central control unit screens the number of regions to be restored, the central control unit controls the pixel density B of the adjacent region detected by the pixel density detector and compares the pixel density B with the pixel density B0,
if B is larger than or equal to B0, the central control unit judges that the pixel density of the adjacent area does not meet a preset standard value, and the adjacent area is not restored;
and if B is less than B0, the central control unit controls the definition adjusting module to restore the resolution of the adjacent area.
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