CN107995518A - Method for displaying image and device - Google Patents
Method for displaying image and device Download PDFInfo
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- CN107995518A CN107995518A CN201711407207.0A CN201711407207A CN107995518A CN 107995518 A CN107995518 A CN 107995518A CN 201711407207 A CN201711407207 A CN 201711407207A CN 107995518 A CN107995518 A CN 107995518A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
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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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4318—Generation of visual interfaces for content selection or interaction; Content or additional data rendering by altering the content in the rendering process, e.g. blanking, blurring or masking an image region
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/4728—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for selecting a Region Of Interest [ROI], e.g. for requesting a higher resolution version of a selected region
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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
Abstract
The embodiment of the present invention provides a kind of method for displaying image and device.The method for displaying image of the present invention is applied in image display device, and described image display device includes multiple moveable pixels, and described image display methods includes：The area-of-interest of described image is determined according to image to be shown；The position of the pixel is adjusted according to the area-of-interest of described image, so as to be used to show that the distribution density of the pixel of the area-of-interest of described image is more than the distribution density of the pixel in other regions for being used to show described image in described image display device；The image to be shown is shown on pixel after the adjustment.The embodiment of the present invention can improve image displaying quality by the distribution density of dynamic change pixel.
Description
Technical field
The present embodiments relate to Display Technique, more particularly to a kind of method for displaying image and device.
Background technology
With the continuous development of modern society and the application of high-tech product, the hair that image display technology is advanced by leaps and bounds
Exhibition.From 1080P to 4K2K prevailing at present, then the application to the 8K4K Display Techniques that will occur on a large scale, all explanatory drawin picture
Display Technique develops towards high image quality, high-definition visual effect direction.
The pixel of the display screen performed image display is typically equally distributed.Even camber display screen, and picture
The distributing position of vegetarian refreshments immobilizes, and shows and shows picture material by the pixel of these fixations during image.This display side
Formula, for the small screen and high-resolution display screen, can obtain preferable viewing effect.But for large-sized
Giant-screen on screen, such as oversize TV or outdoor architecture thing, since pixel is comparatively larger and has distance
Sense, often visual effect is poor.
In order to lift image display effect, it is often inadequate to rely solely on image processing techniques, works as image processing techniques
After development to a certain extent, then the lifting for having display effect becomes relatively difficult.
The content of the invention
The embodiment of the present invention provides a kind of method for displaying image and device, to change the distribution density of pixel by dynamic
To improve image displaying quality.
In a first aspect, the embodiment of the present invention provides a kind of method for displaying image, described image display methods is applied to image
In display device, described image display device includes multiple moveable pixels, the described method includes：
The area-of-interest of described image is determined according to image to be shown；
The position of the pixel is adjusted according to the area-of-interest of described image, so as to be used in described image display device
It is more than other regions for showing described image in the distribution density of the pixel of the area-of-interest of display described image
The distribution density of pixel；
The image to be shown is shown on pixel after the adjustment.
Second aspect, the embodiment of the present invention provide a kind of image display device, including：
Multiple moveable pixels；
Memory, for storing computer program；
Processor, for performing the computer program, to realize method as described in relation to the first aspect.
It should be understood that the memory can also store video buffer frame.
The third aspect, the embodiment of the present invention provide a kind of computer-readable storage medium, including：The computer-readable storage medium is used
In storage computer program, the computer program is used for realization method as described in relation to the first aspect when performing.
Method for displaying image of the embodiment of the present invention and device, the region of interest of described image is determined according to image to be shown
Domain, the position of the pixel is adjusted according to the area-of-interest of described image, so as to be used to show in described image display device
Show that the distribution density of the pixel of the area-of-interest of described image is more than the pixel in other regions for being used to show described image
The distribution density of point, shows the image to be shown on pixel after the adjustment, so that passing through dynamic changes pixel
Distribution density so that the distribution density for the pixel for the area-of-interest for showing described image, which is more than, to be used to show the figure
The distribution density of the pixel in other regions of picture, can more show the details of area-of-interest in image, increase image
Area-of-interest clarity, so as to improve image displaying quality, avoid optimize by image processing algorithm merely it is aobvious
Show the image fault that effect is brought, and it is difficult to continue to lift up display afterwards to a certain extent that can make up image processing algorithm optimization
The drawbacks of effect.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of application scenarios schematic diagram of the method for displaying image of the present invention；
Fig. 2 is the flow chart of the method for displaying image embodiment one of the present invention；
Fig. 3 is the adjustment direction of pixel and the schematic diagram of adjustment distance；
Fig. 4 is the mobile schematic diagram of pixel；
Fig. 5 is the flow chart of the method for displaying image embodiment two of the present invention；
Fig. 6 is the flow chart of the method for displaying image embodiment three of the present invention；
Fig. 7 is the flow chart of the image processing method embodiment one of the present invention；
Fig. 8 is the structure diagram of the image display device embodiment one of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without creative efforts, belong to the scope of protection of the invention.
" image enhancement processing ", " image sharpening processing " involved by this paper can flexibly choose tool according to use demand
Body realizes algorithm.
Fig. 1 is a kind of application scenarios schematic diagram of the method for displaying image of the present invention, as shown in Figure 1, the one of the present embodiment
Kind application scenarios can include image input units 1, pixel control unit 2 and display unit 3, wherein, image input units 1
Connected with pixel control unit 2, pixel control unit 2 and display unit 3 connect.Wherein, image input units 1 are used to connect
The signal to be shown of input is received, the signal source being specifically supported by the system is determined, for example, TV (television, referred to as
TV) vision signal, high-definition multimedia interface (High Definition Multimedia Interface, abbreviation HDMI)
Vision signal, multimedia video signal and network video signal etc., the figure of signal to be shown as pixel control unit 2
As input, which includes multiple images to be shown.Pixel control unit 2 can be according to image to be shown
Content adjustment image display device in different zones pixel distribution density, the pixel of display unit 3 after the adjustment
The upper display image to be shown.So as to improve image display matter by the distribution of the pixel of dynamic change different zones
Amount, avoids and optimizes the image fault that display effect is brought by image processing algorithm merely, and can make up at image
The optimization of adjustment method is difficult the drawbacks of continuing to lift up display effect afterwards to a certain extent.
The embodiment of the method for displaying image of the application may refer to the specific explanations explanation of following embodiments.
It should be noted that above-mentioned image input units 1, pixel control unit 2 and display unit 3 can form this Shen
Image display device please, it can also be the partial function unit of the image display device of the application.The image of the application is shown
Showing device can be liquid crystal display, projection display apparatus etc..
The image display device of the application includes multiple moveable pixels, which can be luminescence unit, example
Such as light emitting diode (Light Emitting Diode, abbreviation LED), Organic Light Emitting Diode (Organic Light
Emitting Diode, abbreviation OLED), micromirror etc..
Fig. 2 is the flow chart of the method for displaying image embodiment one of the present invention, and the method for displaying image of the present embodiment can be with
Applied in image display device, described image display device includes multiple moveable pixels, as shown in Fig. 2, this implementation
The method of example can include：
Step 201, the area-of-interest for determining according to image to be shown described image.
Wherein, the area-of-interest of image refers to the region of user's concern.The area-of-interest of the image it is definite specific
Can be using existing area-of-interest detection algorithm, the embodiment of the present invention are not restricted this in the prior art.
In alternative embodiments, the area-of-interest of the image can be the region where image border, can also
It is the region where display foreground, can also be other regions etc. of user's concern.
Step 202, the position according to the area-of-interest of the described image adjustment pixel, so that described image is shown
In device be used for show described image area-of-interest pixel distribution density be more than be used for show described image its
The distribution density of the pixel in his region.
Wherein, the present embodiment will not change original resolution ratio of described image display device, but in original resolution ratio not
On the basis of change, the distribution that pixel in described image display device is adjusted according to the area-of-interest of image to be shown is close
Degree, specifically, can by controlling the position of pixel to move within the specific limits, so as to change the distribution density of pixel,
So that the distribution density of the pixel of area-of-interest for showing described image is more than other that be used to showing described image
The distribution density of the pixel in region, can more show the details of area-of-interest in image, increase the sense of described image
The clarity in interest region.The position of pixel is fixed and is uniformly distributed in the image display device of the prior art, and with it is existing
Technology is different, and the position of pixel is variable in the image display device of the present embodiment and distribution can be uneven, i.e. described image
The distribution density of pixel can change in display device.
The image to be shown is shown in step 203, pixel after the adjustment.
Specifically, the present embodiment can adjust the distribution of pixel according to the area-of-interest of image to be shown, pass through
The distribution of pixel is adjusted to show the details of the area-of-interest of image to be shown as much as possible, such as where image border
Region etc., can make it that the display effect of image display device is apparent, details is more rich, improve efficiently using for pixel
Rate, strengthens the perception experience of user.
Wherein, the above-mentioned position that the pixel is adjusted according to the area-of-interest of described image, a kind of achievable mode
Can be：Adjustment direction and adjustment distance are determined according to the area-of-interest of described image, control is described to be used to show the figure
The pixel in other regions of picture moves the adjustment distance along the adjustment direction.
Mode can be achieved in another kind：According to the area-of-interest of described image determine adjustment direction and adjustment away from
From, the control area-of-interest for being used to show described image pixel along the adjustment direction move the adjustment away from
From.
It is above-mentioned that pixel is moved with adjustment direction and adjustment distance, it is possible to understand that, it can also be moved using other modes
Pixel, for example, pixel can be moved to the center, herein not according to the center for determining the area-of-interest
Illustrate one by one.
Optionally, above-mentioned adjustment direction specifically can using as shown in figure 3, Fig. 3 as pixel adjustment direction and adjustment distance
Schematic diagram, as shown in figure 3, pixel P can along upper (D1) shown in figure, under (D5), left (D7), right (D3), upper right
(D2), bottom right (D4), upper left (D8), lower-left (D6) eight directions are moved in the range of certain distance.It should be understood that adjustment side
To that can be not limited to above-mentioned eight directions, it can be any direction movement.As shown in figure 3, maximum adjustment distance can be with
It is the distance between scope 2 and scope 1.The scope of adjustment distance can be determined according to actual conditions, and will can be adjusted
The scope of distance is divided into N ranks, and N ranks are divided between scope 1 and scope 2 as shown in Figure 3, and pixel P can arrive N ranks 0
Interior movement, for example, in corresponding diagram 3 since the initial position step0 of scope 1, step1 is moved to ... ..., until can move
Move at 2 corresponding stepN of scope.Step0, step1 ..., stepN i.e. be known as adjustment exponent number, each adjustment exponent number pair
Answer an adjustment distance.
Done using three pixels for example, Fig. 4 as pixel mobile schematic diagram, as shown in figure 4, with three horizontal rows
Exemplified by pixel P1, the pixel P2 and pixel P3 of row, it can be moved in pixel P2 horizontal directions between P2-1 and P2-2
It is dynamic, and can will be divided into N ranks between P2-1, P2 between P2, P2-2, P2 can move 1 rank or multistage every time.P2 after movement
Position relationship between P1, P3 is changed into non-uniform Distribution.The pixel of larger distribution density can be used to show image border
With prospect etc..
The present embodiment, the area-of-interest of described image is determined according to image to be shown, emerging according to the sense of described image
Interesting region adjusts the position of the pixel, so as to be used for the area-of-interest for showing described image in described image display device
Pixel distribution density be more than be used for show described image other regions pixel distribution density, after the adjustment
The image to be shown is shown on pixel, so as to change the distribution density of pixel by dynamic so that for showing
The distribution density of the pixel of the area-of-interest of image is stated more than the pixel in other regions for being used to show described image
Distribution density, can more show the details of area-of-interest in image, increase the clarity of the area-of-interest of image, from
And image displaying quality is improved, avoid and optimize the image fault that display effect is brought by image processing algorithm merely, and
And it is difficult the drawbacks of continuing to lift up display effect afterwards to a certain extent that can make up image processing algorithm optimization.
Several specific embodiments are used below, and the technical solution of embodiment of the method shown in Fig. 2 is described in detail.
Fig. 5 is the flow chart of the method for displaying image embodiment two of the present invention, and the image display device of the present embodiment is liquid
Crystal display, be provided with electrode on each pixel of the liquid crystal display, it is necessary to explanation be the present embodiment image display
Device can also be other display equipment, and the present embodiment is not in this, as limitation, as shown in figure 5, the method for the present embodiment can be with
Including：
Step 501, the area-of-interest for determining according to image to be shown described image.
Wherein, the embodiment of step 501 may refer to above-mentioned steps 201, and details are not described herein again.
Step 502, determine adjustment direction and adjustment distance according to the area-of-interest of described image.
Specifically, can according to the area-of-interest of described image in described image position, determine adjustment direction and tune
Whole distance.
Step 503, adjust the effect put on the electrode of pixel according to the adjustment distance and the adjustment direction
Power so that it is described be used for show described image other regions pixel along the adjustment direction move it is described adjustment away from
From.
Specifically, above-mentioned active force includes gravitation and repulsion, in order to realize the accurate mobile of pixel, involved by this implementation
" movement " can also referred to as " deviate ", liquid crystal display pixel distribution design when, can be in each pixel
One electrode of upper addition.When all pixels point all at the initial position, the active force of each pixel (including gravitation and
Repulsion) reach a balance, i.e., the gravitation and repulsion of each pixel reach balanced.According to the region of interest of image to be shown
Domain determines adjustment direction and adjustment distance, and picture is put on according in adjustment direction and adjustment distance adjustment described image display device
Active force on the electrode of vegetarian refreshments so that the pixel in other regions for showing described image moves this along adjustment direction
Distance is adjusted, is used for the distribution for showing area-of-interest and the pixel in other regions in described image display device so as to adjust
Density, for example, determine to need according to image to be shown to control the physical locations of two pixels close to when, two can be increased
Repulsion between the electrode of two pixels of gravitation or reduction between the electrode of pixel, specifically, in the work of pixel
When firmly (gravitation and repulsion) reaches balance, pixel does not move, and need mobile two pixels close to when, then can increase
Gravitation either reduces repulsion increase gravitation or reduces the specific selection of repulsion two ways, can be according to two pixels
The polarity of electrode determine that for example, two electrodes are cathode, then specific choose reduces the mode of repulsion and cause two pixels
It is close, on the contrary, determine to need according to image to be shown to control the physical locations of two pixels away from when, two can be reduced
Repulsion between the electrode of two pixels of gravitation or increase between the electrode of pixel.
Pixel after adjustment is non-equally distributed, and the present embodiment can be according to Image Adjusting pixel to be shown
Distribution, by adjusting pixel distribution to show the details of area-of-interest in image to be shown as much as possible, can make
Image display device display effect is apparent, details is more rich, improve the effective rate of utilization of pixel, strengthen the sight of user
Sense experience.
It should be noted that above-mentioned steps 503 can also be to put on pixel according to adjustment distance and adjustment direction adjustment
Active force on the electrode of point, so that the pixel of the area-of-interest for being used to show described image is along the adjustment
The adjustment distance is moved in direction, wherein, the adjustment distance and adjustment direction can be with the differences in above-mentioned steps 503.
The image to be shown is shown in step 504, pixel after the adjustment.
The present embodiment, the area-of-interest of described image is determined according to image to be shown, emerging according to the sense of described image
Interesting region determines adjustment direction and adjustment distance, and pixel is put on according to the adjustment distance and adjustment direction adjustment
Active force on electrode, so that the pixel in other regions for being used to show described image is moved along the adjustment direction
The adjustment distance is moved, the image to be shown is shown on pixel after the adjustment, so as to change pixel by dynamic
Distribution density so that the distribution density for the pixel of the area-of-interest that shows described image be more than be used to show it is described
The distribution density of the pixel in other regions of image, can more show the details of area-of-interest in image, increase figure
The clarity of the area-of-interest of picture, so as to improve image displaying quality, avoids and optimizes by image processing algorithm merely
The image fault that display effect is brought, and image processing algorithm optimization can be made up to a certain extent afterwards it is difficult to continue to lift up aobvious
The drawbacks of showing effect.
Fig. 6 is the flow chart of the method for displaying image embodiment three of the present invention, and the image display device of the present embodiment is throwing
Shadow display device, the pixel in the projection display apparatus is micromirror, as shown in fig. 6, the method for the present embodiment can include：
Step 601, the area-of-interest for determining according to image to be shown described image.
Wherein, the embodiment of step 601 may refer to above-mentioned steps 201, and details are not described herein again.
Step 602, determine adjustment direction and adjustment distance according to the area-of-interest of described image.
Specifically, can according to the area-of-interest of described image in described image position, determine adjustment direction and tune
Whole distance.
Step 603, according to the adjustment distance and adjustment direction adjustment be used to control it is described for showing the figure
The drive signal of the micromirror in other regions of picture so that the micromirror along the adjustment direction move it is described adjustment away from
From.
Specifically, the pixel of the present embodiment can be specifically micromirror.The digital optical processing technique of projection display apparatus
The core component of (Digital Light Processing, abbreviation DLP) is Digital Micromirror Device (Digital
Micromirror Device, abbreviation DMD), light is transmitted to projection screen by DMD after the control signal of control panel is received
On.DMD appearances seem a simply small pieces mirror, are encapsulated in the confined space that metal is formed with glass.In fact, DMD
It is made of a micromirrors hundreds thousand of or even up to a million, each micromirror represents a pixel, each micromirror
Size is 14 μm of 14 μ m (or 16 μm of 16 μ ms), increases the quantity of micromirror in DMD, you can improves point of image display device
Resolution.These micromirrors are linked via the device for being referred to below as " yoke ", and are controlled by " Torque force hinge joint ", can left and right upset use
To adjust the direction of micromirror and angle.The rotation of micromirror is controlled by the driving from random access memory (CMOS RAM)
Signal, when drive signal is written into CMOS RAM, electrostatic can activate address electrode, eyeglass and yoke plate (YOKE) to promote hinge
Device rotates.The operation principle of DMD is exactly the light needed by micromirror reflection, while is absorbed by light absorber unwanted
Light realizes the projection of image, and its direction of illumination is then by electrostatic interaction, passes through control micromirror angle to realize.
The present embodiment specifically can be by adjusting the micromirror for controlling other regions for being used to show described image
Drive signal, such as digital drive signals, so as to fulfill the movement of pixel.
A kind of specifically achievable mode, in order to realize the removable of the pixel of the present embodiment, in the design of DMD,
Slideway is designed with the bottom of hinge, hinge, can be along slideway in initial preset while micromirror rotation direction is controlled
Position is nearby slided, so as to fulfill the minor shifts of the position of pixel.Meanwhile write micro- for controlling in CMOS RAM
The digital drive signals (image to be shown) that eyeglass rotates, in addition to the information in original design is included, add pixel
Adjustment distance and adjustment direction control information.By taking a pixel as an example, which is determined according to image to be shown
Step2 need to be moved to D8 directions as shown in Figure 3, these information can be written into CMOS together with original digital drive signals at the same time
Movement and rotation of the micromirror on slideway are controlled in RAM, so as to fulfill the movement of pixel.
The image to be shown is shown in step 604, pixel after the adjustment.
Specifically, the pixel after adjustment is non-equally distributed, the present embodiment can be according to Image Adjusting to be shown
The distribution of pixel, by adjusting the distribution of pixel to show the thin of area-of-interest in image to be shown as much as possible
Section, can make it that the display effect of image display device is apparent, details is more rich, improve the effective rate of utilization of pixel, increase
The perception experience of strong user.
It should be noted that above-mentioned steps 601 can also be to be used according to the adjustment distance and adjustment direction adjustment
In the drive signal of the micromirror of the control area-of-interest for being used to show described image so that the micromirror along
The adjustment direction moves the adjustment distance, wherein, the adjustment distance and adjustment direction can with above-mentioned steps 603 not
Together.
The present embodiment, the area-of-interest of described image is determined according to image to be shown, emerging according to the sense of described image
Interesting region determines adjustment direction and adjustment distance, is used to control the use according to the adjustment distance and adjustment direction adjustment
In the drive signal of the micromirror in other regions of display described image, so that the micromirror is moved along the adjustment direction
The adjustment distance is moved, the image to be shown is shown on pixel after the adjustment, so as to change pixel by dynamic
Distribution density so that the distribution density for the pixel of the area-of-interest that shows described image be more than be used to show it is described
The distribution density of the pixel in other regions of image, can more show the details of area-of-interest in image, increase figure
The clarity of the area-of-interest of picture, so as to improve image displaying quality, avoids and optimizes by image processing algorithm merely
The image fault that display effect is brought, and image processing algorithm optimization can be made up to a certain extent afterwards it is difficult to continue to lift up aobvious
The drawbacks of showing effect.
In a kind of optional embodiment, image procossing can be carried out by following embodiment illustrated in fig. 7, that is, pass through figure
After the image procossing of 7 illustrated embodiments, the image to be shown of above-described embodiment is obtained.
Fig. 7 is the flow chart of the image processing method embodiment one of the present invention, as shown in fig. 7, the method for the present embodiment can
With including：
Step 701, receive vision signal, and the vision signal includes continuous multiple video frame images.
Step 702, the characteristics of image for extracting the multiple video frame images respectively.
Specifically, one section of vision signal includes continuous multiple video frame images, there is certain phase between front and rear two field picture
Guan Xing.The present embodiment first can carry out feature extraction to video frame images.It is special that characteristics of image includes shape, color and texture etc.
Sign.Optionally, the textural characteristics of video frame images can be mainly extracted, but can be with not limited to this.Textural characteristics usually define
For the local property of image, or in localized region between pixel relation a kind of measurement, be also believed to gray scale or color
The pattern for being changed in space in the form of certain and being produced.
Step 703, according to the characteristics of image of extraction carry out cluster analysis to the multiple video frame images, and will be described more
A video frame images are divided into multiple races.
Specifically above-mentioned cluster analysis specific implementation process can be：Similarity measure.According to each video extracted
The characteristics of image of two field picture, asks for the similarity between two continuous video frame images, such as, can by Euclidean distance come
Calculated.Since different feature vector values is often far from each other, if directly calculating similarity distance, the difference meeting of value
The weight of effect characteristics vector, therefore feature vector is normalized before similarity distance is calculated, it is assumed that two video frame figures
As the feature vector after normalization is respectively Fx=[Fx1, Fx2 ..., FxN] and Fy=[Fy1, Fy2 ..., FyN], then it is similar away from
From for：
Afterwards, cluster analysis is carried out to multiple video frame images according to the result of similarity measure, cluster analysis is pattern
A major issue in identification, is the important method of unsupervised learning.The algorithm of the cluster analysis can be K- mean algorithms,
Maximum- likelihood estimation and method based on graph theory etc..Multiple video frame images are divided according to the result of similarity measure
For multiple races.
Step 704, the key frame images of each race of extraction.
Video frame images within to a period of time are carried out after reuniting alanysis, extract the key frame in per race.
Step 705, other video frame images in the key frame images to each race and the race carry out image increasing respectively
Strong or image sharpening processing, to obtain multiple images to be shown.
Wherein, the key frame images of each race and other video frame images use identical image enhancement or image sharpening side
Formula.
Specifically, image procossing (image enhancement or image sharpening) is carried out based on key frame, with remaining in family
Frame all does similar process.One section of vision signal, is segmented into multiple races, has a key frame per race.To the key frame of extraction
Image enhancement or image sharpening processing are done, identical processing is done according to key frame with remaining frame in family, when can so save
Between, improve processing speed.To the characteristics of image (such as textural characteristics) of extraction, a series of processing is carried out, such as image sharpening, figure
Image intensifying etc., makes image detail part more prominent, profile becomes apparent from, to reach optimal viewing effect.
The present embodiment, by carrying out cluster analysis to vision signal, is extracted key frame, is carried out based on the key frame
The image enhancement of video frame in class, strengthens the information such as image detail, texture, edge, then by multiple figures to be shown of acquisition
As carrying out above-mentioned Fig. 2 successively to the image display of embodiment illustrated in fig. 6.The present embodiment is right before the distribution of adjustment pixel
Image carries out image enhancement, can effectively lift image display effect.
Fig. 8 is the structure diagram of the image display device embodiment one of the present invention, as shown in figure 8, the dress of the present embodiment
Putting to include：Memory 11 and processor 12, wherein, memory 11 is used to store computer program, processor 12, for holding
The row computer program, for performing the technical solution of above method embodiment, its implementing principle and technical effect is similar, this
Place repeats no more.
When at least a portion function of the method for displaying image of the embodiment of the present invention is realized by software, the present invention is implemented
Example also provides a kind of computer-readable storage medium, and the computer that computer-readable storage medium is used to save as above-mentioned image display device is soft
Part instructs, when run on a computer so that computer can perform various possible images in above method embodiment
Display methods.When loading on computers and performing the computer executed instructions, it can produce whole or in part according to this hair
Flow or function described in bright embodiment.The computer instruction can be stored in computer-readable storage medium, or from one
Computer-readable storage medium is transmitted to another computer-readable storage medium, and the transmission can be by wireless (such as cellular communication, red
Outside, short-distance wireless, microwave etc.) mode is transmitted to another web-site, computer, server or data center.Institute
It can be any usable medium or can use Jie comprising one or more that computer can access to state computer-readable storage medium
The data storage devices such as server that matter integrates, data center.The usable medium can be magnetic medium, (for example, floppy disk,
Hard disk, tape), optical medium (for example, DVD) or semiconductor medium (such as SSD) etc..
In addition, the embodiment of the present invention also provides a kind of computer program product for including instruction, i.e. software product, when its
When being run on computer so that computer performs various possible method for displaying image in above method embodiment.It realizes former
Reason is similar with technique effect, and details are not described herein again.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to
The relevant hardware of programmed instruction is crossed to complete.Foregoing program can be stored in a computer read/write memory medium.The journey
Sequence upon execution, execution the step of including above-mentioned each method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or
Person's CD etc. is various can be with the medium of store program codes.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution described in foregoing embodiments, either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of method for displaying image, it is characterised in that described image display methods is applied in image display device, the figure
Picture display device includes multiple moveable pixels, the described method includes：
The area-of-interest of described image is determined according to image to be shown；
The position of the pixel is adjusted according to the area-of-interest of described image, so as to be used to show in described image display device
Show that the distribution density of the pixel of the area-of-interest of described image is more than the pixel in other regions for being used to show described image
The distribution density of point；
The image to be shown is shown on pixel after the adjustment.
It is 2. according to the method described in claim 1, it is characterized in that, described according to the adjustment of the area-of-interest of described image
The position of pixel, including：
Adjustment direction and adjustment distance are determined according to the area-of-interest of described image；
The pixel in control other regions for being used to show described image along the adjustment direction move the adjustment away from
From.
3. according to the method described in claim 2, it is characterized in that, described image display device is liquid crystal display, the liquid
Electrode is provided with each pixel of crystal display, the pixel for showing other regions of described image is used for described in the control
Point moves the adjustment distance along the adjustment direction, including：
The active force on the electrode of pixel is put on according to the adjustment distance and adjustment direction adjustment, so that described
The pixel in other regions for showing described image moves the adjustment distance along the adjustment direction.
It is 4. described according to the method described in claim 2, it is characterized in that, described image display device is projection display apparatus
Pixel in projection display apparatus is micromirror, and the pixel for showing other regions of described image is used for described in the control
The adjustment distance is moved along the adjustment direction, including：
It is used to control described other regions for showing described image according to the adjustment distance and adjustment direction adjustment
Micromirror drive signal so that the micromirror moves the adjustment distance along the adjustment direction.
It is 5. according to the method described in claim 1, it is characterized in that, described according to the adjustment of the area-of-interest of described image
The position of pixel, including：
Adjustment direction and adjustment distance are determined according to the area-of-interest of described image；
The pixel of the control area-of-interest for being used to show described image moves the adjustment along the adjustment direction
Distance.
6. method according to any one of claims 1 to 5, it is characterised in that figure to be shown is obtained according to following steps
Picture：
The characteristics of image of video frame images is extracted, described image feature includes shape, color and texture；
Image enhancement or image sharpening processing are carried out to described image feature, to obtain image to be shown.
7. according to the method described in claim 6, it is characterized in that, it is described extraction video frame images characteristics of image, including：
Vision signal is received, the vision signal includes continuous multiple video frame images；
The characteristics of image of the multiple video frame images is extracted respectively.
8. the method according to the description of claim 7 is characterized in that described carry out image enhancement or image to described image feature
Edge contrast, to obtain the image to be shown, including：
Cluster analysis is carried out to the multiple video frame images according to the characteristics of image of extraction, and by the multiple video frame images
It is divided into multiple races；
Other video frame images in the key frame images to each race and the race carry out image enhancement or image sharpening respectively
Processing, to obtain multiple images to be shown.
A kind of 9. image display device, it is characterised in that including：
Multiple moveable pixels；
Memory, for storing computer program；
Processor, for performing the computer program, to realize such as method described in any item of the claim 1 to 8.
A kind of 10. computer-readable storage medium, it is characterised in that including：The computer-readable storage medium is used to store computer journey
Sequence, the computer program are used for realization such as method described in any item of the claim 1 to 8 when performing.
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