CN102378014A - Device and method for improving image resolution of display panel - Google Patents

Device and method for improving image resolution of display panel Download PDF

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Publication number
CN102378014A
CN102378014A CN2011102960399A CN201110296039A CN102378014A CN 102378014 A CN102378014 A CN 102378014A CN 2011102960399 A CN2011102960399 A CN 2011102960399A CN 201110296039 A CN201110296039 A CN 201110296039A CN 102378014 A CN102378014 A CN 102378014A
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China
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image
picture element
picture
sub
those
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高盟超
林享昙
谢佩琳
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Fujian Huaying Display Technology Co Ltd
Chunghwa Picture Tubes Ltd
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Fujian Huaying Display Technology Co Ltd
Chunghwa Picture Tubes Ltd
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Abstract

The invention discloses a device and method for improving the image resolution of a display panel. The method for improving the image resolution comprises the following steps of: amplifying the image resolution of a first image to acquire a second image; narrowing the image resolution of the second image to acquire a third image; subtracting the first image from the third image to acquire a difference image; amplifying the resolution of the difference image to acquire a reinforcing image; and adding the reinforcing image to the second image to acquire a fourth image with high resolution.

Description

The image resolution lifting device and the method for display floater
Technical field
The invention relates to a kind of image processing, and particularly relevant for a kind of lifting device and method for improving of image resolution.
Background technology
Generally speaking, the picture element resolution of display not necessarily can be consistent with the picture element resolution of the image of desire demonstration.For example, the picture element resolution of general image is littler than the picture element resolution of display.Therefore before image shows, all can earlier the picture element conversion of resolution of image be arrived the picture element resolution of cooperation display, be beneficial to image output thereafter.In addition, possibly carry out the convergent-divergent of different sizes when image shows earlier on display, this can make that also image resolution and monitor resolution are inconsistent, and need carry out the conversion of resolution in advance.Traditionally, solving the inconsistent problem of this picture element resolution is to adopt interpolation method, and its picture element data computation according to image goes out the picture element value of the picture element position of corresponding display.Though insert the modes that mechanism solves picture element resolution in existing at present many different utilizations, the interior slotting effect of image still has sizable space of improving, therefore how to change image resolution and do not influence its quality of image, still be a problem demanding prompt solution.
Summary of the invention
The present invention provides a kind of image resolution lifting device and method of display floater, can under the situation that does not increase signal source resolution, promote image resolution, and the problem that the quality of image descends behind the improvement conversion image resolution.
The present invention proposes a kind of method for improving of image resolution, is applicable to a display floater, comprising:
One first image is carried out an interpolative operation to produce one second image, and wherein the resolution of this second image is greater than the resolution of this first image;
Take a sample this second image to obtain one the 3rd image, and wherein the resolution of the 3rd image equals the resolution of this first image;
This first image and the 3rd image are carried out a subtraction to obtain a difference image;
This difference image is carried out this interpolative operation to produce a reinforcement image, and wherein the resolution of this reinforcement image equals the resolution of this second image; And
This second image and this reinforcement image are carried out an add operation to obtain one the 4th image.
In one embodiment of this invention, above-mentioned resolution method for improving more comprises:
The 4th image is carried out sub-picture element to be arranged.
In one embodiment of this invention; Above-mentioned display floater is a RGBW panel; The 4th image comprises a plurality of demonstration picture elements; Wherein respectively this demonstration picture element comprises and comprises a red sub-picture element, a green sub-picture element, a blue sub-picture element and a white sub-picture element, the sub-picture element of this redness, the sub-picture element of this green, the sub-picture element of this blueness and should be arranged as square by the sub-picture element of white, and have the demonstration picture element data corresponding respectively with it.
In one embodiment of this invention, wherein respectively these demonstration picture element data comprise a red sub-picture element data, green sub-picture element data and blue sub-picture element data, and the step of the 4th image being carried out sub-picture element arrangement comprises:
With this red, green, blue dice picture element in this demonstration picture element respectively respectively with the pairing demonstration picture element of this red, green, blue dice picture element data in have a corresponding color sub-picture element data drive, and respectively the sub-picture element of this white in this demonstration picture element drives with the sub-picture element data that the GTG value is minimum in the pairing demonstration picture element data respectively.
In one embodiment of this invention; The first above-mentioned image comprises a plurality of first picture elements; The 3rd image comprises a plurality of the 3rd picture elements, and respectively the picture element data of the 3rd picture element is for carrying out the operation result of this interpolative operation to the picture element data of adjacent at least 2 those first picture elements.
In one of the present invention embodiment; The first above-mentioned image comprises a plurality of first picture elements; Those second images comprise that artistic illustration is plain plain with a plurality of second interior artistic illustration in those first picture elements, a plurality of first; Wherein those first interior artistic illustrations are plain obtains for those first picture elements are carried out these interpolative operations with those second interior artistic illustration elements; And respectively this in first artistic illustration element lay respectively at adjacent nearest 2 those first picture elements between; Respectively this second interior artistic illustration element lays respectively at the center of adjacent 4 those first picture elements recently, and wherein respectively the plain picture element data of this first interior artistic illustration is the mean value of the picture element data of adjacent 2 those first picture elements recently, and respectively the picture element data of this second interior artistic illustration element is the mean value of the picture element data of adjacent 4 those first picture elements recently.
In one embodiment of this invention, this second image of wherein taking a sample comprises with the step that obtains the 3rd image:
Take a sample in this second image those in second artistic illustration elements to obtain the 3rd image.
In one embodiment of this invention, the step of wherein this first image and the 3rd image being carried out this subtraction comprises:
The picture element data of those first picture elements are deducted the plain picture element data of those second interior artistic illustrations of correspondence position in the 3rd image respectively.
In one embodiment of this invention; Above-mentioned wherein this difference image comprises a plurality of difference picture elements; Those reinforcement images comprise that artistic illustration is plain plain with a plurality of the 4th interior artistic illustration in those difference picture elements, a plurality of the 3rd; Wherein those the 3rd interior artistic illustrations are plain obtains for those difference picture elements are carried out these interpolative operations with those the 4th interior artistic illustration elements; And respectively in the 3rd the artistic illustration element lay respectively at adjacent nearest 2 those difference picture elements between; Respectively the 4th interior artistic illustration element lays respectively at the center of adjacent 4 those difference picture elements recently, and wherein respectively the plain picture element data of the 3rd interior artistic illustration is the mean value of the picture element data of adjacent 2 those difference picture elements recently, and respectively the picture element data of the 4th interior artistic illustration element is the mean value of the picture element data of adjacent 4 those difference picture elements recently.
In one embodiment of this invention, the step of wherein this second image and this reinforcement image being carried out this add operation comprises:
The picture element data of the picture element that second image is comprised respectively with this reinforcement image in the picture element data addition of picture element of correspondence position.
The present invention also proposes a kind of image resolution lifting device of display floater, comprising:
One first interpolative operation unit carries out an interpolative operation to produce one second image to one first image, and wherein the resolution of this second image is greater than the resolution of this first image;
One sampling unit couples this first interpolative operation unit, and this second image of taking a sample is to obtain one the 3rd image, and wherein the resolution of the 3rd image equals the resolution of this first image;
One subtraction unit couples this sampling unit, and this first image and the 3rd image are carried out a subtraction to obtain a difference image;
One second interpolative operation unit couples this subtraction unit, and this difference image is carried out this interpolative operation to produce a reinforcement image, and wherein the resolution of this reinforcement image equals the resolution of this second image; And
One add operation unit couples this first interpolative operation unit and this second interpolative operation unit, and this second image and this reinforcement image are carried out an add operation to obtain one the 4th image.
In one embodiment of this invention, the image resolution lifting device more comprises:
One sub-picture element arrangement units couples this add operation unit, the 4th image is carried out sub-picture element arrange.
In one embodiment of this invention; Above-mentioned sub-picture element arrangement units respectively this red, green, blue dice picture element in this demonstration picture element respectively with the pairing demonstration picture element of this red, green, blue dice picture element data in have a corresponding color sub-picture element data drive, and respectively the sub-picture element of this white in this demonstration picture element drives with the sub-picture element data that the GTG value is minimum in the pairing demonstration picture element data respectively.
In one embodiment of this invention; Above-mentioned this first image comprises a plurality of first picture elements; The 3rd image comprises a plurality of the 3rd picture elements, and respectively the picture element data of the 3rd picture element are carried out the operation result of this interpolative operation to the picture element data of adjacent at least 2 those first picture elements for this first interpolative operation unit.
In one embodiment of this invention; The first above-mentioned image comprises a plurality of first picture elements; Those second images comprise that artistic illustration is plain plain with a plurality of second interior artistic illustration in those first picture elements, a plurality of first; Wherein those first interior artistic illustrations are plain obtains those these interpolative operations of first picture elements execution for this first interpolative operation unit with those second interior artistic illustration elements; And respectively this in first artistic illustration element lay respectively at adjacent nearest 2 those first picture elements between; Respectively this second interior artistic illustration element lays respectively at the center of adjacent 4 those first picture elements recently, and wherein respectively the plain picture element data of this first interior artistic illustration is the mean value of the picture element data of adjacent 2 those first picture elements recently, and respectively the picture element data of this second interior artistic illustration element is the mean value of the picture element data of adjacent 4 those first picture elements recently.
In one embodiment of this invention, above-mentioned sampling unit more take a sample in this second image those in second artistic illustration elements to obtain the 3rd image.
In one embodiment of this invention, above-mentioned subtraction unit those plain picture element data of artistic illustrations in second of more the picture element data of those first picture elements being deducted correspondence position in the 3rd image respectively.
In one embodiment of this invention; Above-mentioned difference image comprises a plurality of difference picture elements; Those reinforcement images comprise that artistic illustration is plain plain with a plurality of the 4th interior artistic illustration in those difference picture elements, a plurality of the 3rd; Wherein those the 3rd interior artistic illustrations are plain obtains those these interpolative operations of difference picture elements execution for this second interpolative operation unit with those the 4th interior artistic illustration elements; And respectively in the 3rd the artistic illustration element lay respectively at adjacent nearest 2 those difference picture elements between; Respectively the 4th interior artistic illustration element lays respectively at the center of adjacent 4 those difference picture elements recently, and wherein respectively the plain picture element data of the 3rd interior artistic illustration is the mean value of the picture element data of adjacent 2 those difference picture elements recently, and respectively the picture element data of the 4th interior artistic illustration element is the mean value of the picture element data of adjacent 4 those difference picture elements recently.
In one embodiment of this invention, above-mentioned add operation unit more just the picture element that comprised of second image the picture element data respectively with this reinforcement image in the picture element data addition of picture element of correspondence position.
Based on above-mentioned, the present invention dwindles back and the first original image again and subtracts each other obtaining a difference image by the image resolution of first image is amplified, and the resolution of amplifying difference image is to obtain a reinforcement image.By with the first image addition after reinforcement image and the magnified image resolution, just can under the situation that does not increase signal source resolution, promote image resolution, and improve of the influence of conversion image resolution significantly the quality of image.
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts embodiment, and cooperates appended graphic elaborating as follows.
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Description of drawings
Fig. 1 illustrates the sketch map into the image resolution lifting device of the display floater of one embodiment of the invention.
It is the resolution enlarged diagram of first image that Fig. 2 A illustrates.
It is the interior sketch map of inserting of picture element of first image that Fig. 2 B illustrates.
It is that the resolution of second image is dwindled sketch map that Fig. 3 A illustrates.
It is the sampling sketch map of second image that Fig. 3 B illustrates.
It is the subtraction sketch map of first image and the 3rd image that Fig. 4 A, 4B illustrate.
Fig. 5 A illustrates the resolution enlarged diagram into difference image.
Fig. 5 B illustrates to inserting sketch map in the picture element of difference image.
Fig. 6 A, 6B illustrate the add operation sketch map into difference image and reinforcement image.
Fig. 7 illustrates the sketch map into the image resolution lifting device of the display floater of another embodiment of the present invention.
It is the sub-picture element arrangement sketch map of the 4th image that Fig. 8 illustrates.
Fig. 9 illustrates and is image resolution before unmodified and the image resolution that the utilizes Fig. 7 embodiment image sketch map after amplifying.
Figure 10,11 illustrates the flow chart into the image resolution method for improving of the embodiment of the invention.
 
[primary clustering symbol description]
100,700: the image resolution lifting device
102: the first interpolative operation unit
104: sampling unit
106: the subtraction unit
108: the second interpolative operation unit
110: the add operation unit
702: sub-picture element arrangement units
I1: first image
I2: second image
I3: the 3rd image
I4: the 4th image
I5: the 5th image
IR1: difference image
IS1: reinforcement image
R1, G1, B1: sub-picture element
R, G, B: sub-picture element data
S1002 ~ S1010, S1102: the process step of image resolution method for improving
Embodiment
For making the object of the invention, technical scheme and advantage clearer, below will do further explain to the present invention through specific embodiment and relevant drawings.
Fig. 1 illustrates the sketch map into the image resolution lifting device of the display floater of one embodiment of the invention.Please with reference to Fig. 1, image resolution lifting device 100 comprises one first interpolative operation unit 102, a sampling unit 104, a subtraction unit 106, one second interpolative operation unit 108 and an add operation unit 110.Wherein sampling unit 104 couples the first interpolative operation unit 102 and couples subtraction unit 106 and add operation unit 110 with 106, the second interpolative operation unit 108, subtraction unit, and 110 of add operation unit more are coupled to the first interpolative operation unit 102.
The first interpolative operation unit 102 is in order to receiving one first image I1, and the first image I1 is carried out an interpolative operation obtains the second image I2 to amplify its resolution.The resolution enlarged diagram of the first image I1 shown in Fig. 2 A supposes that the first image I1 is 1/4th video and graphic arrays (Quarter Video Graphics Array, the image signals of display floater QVGA) for being used for resolution.In the present embodiment, the first interpolative operation unit 102 utilizes interpolative operation to be converted into the higher video and graphic array of resolution (Video Graphics Array, image signal VGA).That is to say that after the conversion of resolution through the first interpolative operation unit 102, the resolution of the first image I1 has been amplified 4 times.
Wherein, The first image I1 comprises a plurality of first picture elements; And the second image I2 is except a plurality of first picture elements that comprise the script first image I1; More comprise via interpolative operation produce a plurality of first in artistic illustration plain with a plurality of second in artistic illustration plain, wherein each in first artistic illustration element lay respectively at adjacent nearest 2 first picture elements between, each in second artistic illustration element then lay respectively at the center of adjacent nearest 4 first picture elements.
Insert sketch map in the picture element of first image shown in Fig. 2 B, suppose that left side figure is the first image I1 that first picture element is formed, and right figure is the plain second image I2 that is formed of artistic illustration in first picture element, the first interior artistic illustration element and second.The picture element that wherein is denoted as the triangle sign is that artistic illustration is plain in first, and the plain picture element data of each first interior artistic illustration is the mean value of the picture element data of adjacent 2 first picture elements recently.And the picture element that is denoted as star sign is that artistic illustration is plain in second, each in second the plain picture element data of artistic illustration be the mean value of the picture element data of adjacent nearest 4 first picture elements.
Sampling unit 104 is in order to taking a sample to the second image I2, is reduced into resolution originally again with the first image I1 that will amplify after the resolution, and obtains one the 3rd image I3.Shown in Fig. 3 A, resolution is after the second image I2 of video and graphic array takes a sample via sampling unit 104, is changed the image signal (that is the 3rd image I3) of one of Hui Sifen video and graphic array resolution.Wherein sampling unit 104 picture element of being taken a sample is the operation result that the picture element data of 102 pairs of adjacent at least 2 first picture elements in the first interpolative operation unit are carried out interpolative operation.Shown in Fig. 3 B, left side figure is that the 102 couples first image I1 in the first interpolative operation unit carry out the resulting second image I2 behind the interpolative operation, and right figure then is sampling unit 104 the 3rd image I3 that the second image I2 obtains that takes a sample.Wherein sampling unit 104 picture element of being taken a sample is all the picture element that is denoted as the star sign.
Subtraction unit 106 is in order to carry out a subtraction to obtain a difference image IR1 to the first image I1 and the 3rd image I3.Shown in Fig. 4 A, subtraction unit 106 deducts the 3rd image I3 with the first image I1, and to obtain difference image IR1, wherein this difference image IR1 has comprised the difference on image detail between the first image I1 and the 3rd image I3.In detail, the subtraction between the first image I1 and the 3rd image I3 can be shown in Fig. 4 B, and subtraction unit 106 deducts the picture element data of first picture element respectively the plain picture element data of the second interior artistic illustration of correspondence position among the 3rd image I3.
The second interpolative operation unit 108 produces a reinforcement image IS1 in order to difference image IR1 is carried out interpolative operation with the resolution of amplifying difference image IR1, and the resolution of its MR medium reinforcing image IS1 equals the resolution of this second image I2.The resolution enlarged diagram of the difference image shown in Fig. 5 A; Originally after resolution was the interpolative operation of difference image IR1 via the second interpolative operation unit 108 of 1/4th video and graphic arrays, being converted into resolution was the reinforcement image IS1 of video and graphic array.
Wherein, Difference image comprises a plurality of difference picture elements; And reinforcement image IS1 is except a plurality of difference picture elements that comprise the script difference image; More comprise via interpolative operation produce a plurality of the 3rd in artistic illustration plain with a plurality of the 4th in artistic illustration plain, wherein each in the 3rd artistic illustration element lay respectively at adjacent nearest 2 difference picture elements between, each in the 4th artistic illustration element then lay respectively at the center of adjacent nearest 4 difference picture elements.
In detail, the interpolative operation of the second interpolative operation unit 108 is identical with the interpolative operation mode of the first interpolative operation unit 102.Insert sketch map in the picture element shown in Fig. 5 B, left side figure is the difference image that the difference picture element is formed, and right figure then is the plain reinforcement image IS1 that is formed of artistic illustration in the artistic illustration element and the 4th in the difference picture element, the 3rd.The picture element that wherein is denoted as the triangle sign is that artistic illustration is plain in the 3rd, and the plain picture element data of each the 3rd interior artistic illustration is the mean value of the picture element data of adjacent 2 difference picture elements recently.And the picture element that is denoted as star sign is that artistic illustration is plain in the 4th, each in the 4th the plain picture element data of artistic illustration be the mean value of the picture element data of adjacent nearest 4 difference picture elements.
Add operation unit 110 is in order to the second image I2 and reinforcement image IS1 are carried out an add operation to obtain one the 4th image I4, and shown in Fig. 6 A, add operation unit 110 is with the second image I2 and reinforcement image IS1 addition, to obtain the 4th image I4.Owing to the reinforcement image is that difference image IR1 obtains via interpolative operation amplification resolution; Therefore it has comprised the unexistent image detail of second image; Can make the second image I2 that amplifies after the resolution more careful in the performance of image detail by the second image I2 and reinforcement image IS1 being carried out addition, the quality of image is better.In detail, the add operation between the second image I2 and reinforcement image IS1 can be shown in Fig. 6 B, the picture element data of the picture element that add operation unit 110 is comprised second image respectively with the reinforcement image in the picture element data addition of picture element of correspondence position.
It should be noted that interpolative operation that the foregoing description discloses is merely an exemplary embodiment, in the practical application not as limit.For instance, can also more a plurality of first picture elements be one group and carry out interpolative operation, or the resolution of amplifying the first image I1 with other interpolative operation mode.In addition, it is plain that the object that sampling unit 104 is taken a sample also is not limited in second artistic illustration, and other the interpolative operation result of can taking a sample, and it is plain for example to be denoted as in leg-of-mutton first artistic illustration.
Fig. 7 illustrates the sketch map into the image resolution lifting device of the display floater of another embodiment of the present invention.Please with reference to Fig. 7; The image resolution lifting device 700 of present embodiment is with the difference of the image resolution lifting device 100 of Fig. 1; The image resolution lifting device 700 of present embodiment more comprises a sub-picture element arrangement units 702, couples add operation unit 110.Sub-picture element arrangement units 702 is arranged in order to the 4th image I4 is carried out sub-picture element.When the image resolution lifting device is applied to the display floater of the specific picture element arrangement of tool; Be that 702 couples the 4th image I4 of sub-picture element arrangement units in the image resolution lifting device 700 of present embodiment capable of using carry out sub-picture element and arrange and export the 5th image I5; Export corresponding sub-picture element data to be directed against sub-picture elements different on the display floater, and then make the quality of the show image picture that promotes display floater.
For instance, the image resolution lifting device 700 of supposing present embodiment is for being applied to a RGBW panel.The 4th image I4 that utilizes the RGBW panel to show comprises a plurality of demonstration picture elements; Wherein each shows that picture element comprises and comprises a red sub-picture element, a green sub-picture element, a blue sub-picture element and a white sub-picture element; And red sub-picture element, green sub-picture element, blue sub-picture element and white sub-picture element are arranged as square, and have the demonstration picture element data corresponding with it respectively.Sub-picture element as shown in Figure 8 is arranged sketch map; The all corresponding demonstration picture element data of each sub-picture element; This shows that the picture element data are 24 bit data in the present embodiment, and it comprises 8 red sub-picture element data R, 8 green sub-picture element data G and 8 blue sub-picture element data B.
Show that red, green, blue dice picture element R1, G1, B1 in the picture element 802 drive with the redness in the demonstration picture element data corresponding with it, green, blue sub-picture element data R, G, B respectively; Then with among the sub-picture element data R of three different colours of the demonstration picture element data corresponding with it, G, the B, the sub-picture element data that the GTG value is minimum drive white sub-picture element W1.For instance; Second GTG value that shows the redness in the pairing demonstration picture element of the red sub-picture element R1 data in the picture element, green, blue sub-picture element data R, G, B is respectively 55 among the right figure of Fig. 8; 159; 75, therefore come the sub-picture element R1 of exhibit red with the GTG value (55) of the sub-picture element data of redness R.Similarly, the GTG value of the redness in the pairing demonstration picture element of the green sub-picture element G1 data, green, blue sub-picture element data R, G, B is respectively 127,79,0, and therefore the GTG value (79) with the sub-picture element data of green G shows green sub-picture element G1.By that analogy, blue sub-picture element B1 by with correspondence show that the GTG value (79) of the blue sub-picture element data B in the picture element data shows.In addition; The GTG value of redness in the pairing demonstration picture element of the sub-picture element W1 of the white data, green, blue sub-picture element data R, G, B is respectively 255; 0,0, therefore come the sub-picture element W1 of show white with minimum GTG value (0) among redness, green, blue sub-picture element data R, G, the B.
Fig. 9 illustrates and is image resolution before unmodified and the image resolution that the utilizes Fig. 7 embodiment image sketch map after amplifying.The left side figure of Fig. 9 is the local image sketch map of former resolution image, and right figure then is the local image sketch map that utilizes image resolution lifting device 700 resulting the 5th image I5 of Fig. 7 embodiment.Can find out that by Fig. 9 the resulting image details performance of image resolution lifting device 700 and contrast of utilizing present embodiment or the like is better than known techniques really.
Figure 10 illustrates the flow chart into the image resolution method for improving of one embodiment of the invention.Please with reference to Figure 10, the method for concluding above-mentioned image resolution lifting device lifting image resolution can comprise the following steps.At first, one first image is carried out an interpolative operation to produce one second image (step S1002), wherein the resolution of second image is greater than the resolution of first image.Then; Take a sample second image to obtain one the 3rd image (step S1004); Wherein first image comprises a plurality of first picture elements, and the 3rd image comprises a plurality of the 3rd picture elements, and the picture element data of each the 3rd picture element is for carrying out the operation result of interpolative operation to the picture element data of adjacent at least 2 first picture elements.The resolution of other the 3rd image equals the resolution of first image.Then, first image and the 3rd image are carried out a subtraction to obtain a difference image (step S1006), this difference image has comprised the difference on image detail between first image and the 3rd image.Afterwards, difference image is carried out interpolative operation to produce a reinforcement image (step S1008), the resolution of its MR medium reinforcing image equals the resolution of second image.At last, second image and reinforcement image are carried out an add operation to obtain one the 4th image (step S1010).Owing to the reinforcement image is that difference image obtains via interpolative operation amplification resolution; Therefore it has comprised the unexistent image detail of second image; Can make second image that amplifies after the resolution more careful in the performance of image detail by second image and reinforcement image being carried out addition, the quality of image is better.
In addition, when being applied to the display floater of the specific picture element arrangement of tool as if the image resolution method for improving, the flow chart of image resolution method for improving can be shown in figure 11.The difference of the flow chart of the flow chart of the image resolution method for improving shown in Figure 11 embodiment and the image resolution method for improving of Figure 10 embodiment is; The embodiment of Figure 11 is behind step S1010; More the 4th image is carried out sub-picture element and arrange (step S1102), so that promote the quality of the show image picture of display floater.When for example being applied in the RGBW panel; Can with each show in the picture element red, green, blue dice picture element respectively with the pairing demonstration picture element of red, green, blue dice picture element data in have a corresponding color sub-picture element data drive, and each is shown that the white sub-picture element in picture element drives with the sub-picture element data that the GTG value is minimum in the pairing demonstration picture element data respectively.So just can promote the display quality of RGBW panel significantly.
In sum; The present invention subtracts each other to obtain a difference image with the first original image by the back is dwindled in the image resolution amplification of first image again; And the resolution of amplification difference image is to obtain a reinforcement image; By with the first image addition after reinforcement image and the magnified image resolution, just can under the situation that does not increase signal source resolution, promote image resolution, and improve of the influence of conversion image resolution significantly the quality of image.Be applied to by the 4th image being carried out sub-picture element arrange in addition have on the panel of special picture element arrangement; For example during the RGBW panel of matrix pattern; Except the image resolution that can promote the RGBW panel, have more advantages such as improving panel luminance and reduction power consumption simultaneously.
Though the present invention discloses as above with embodiment; Right its is not in order to limit the present invention; Has common knowledge the knowledgeable in the technical field under any; Do not breaking away from the spirit and scope of the present invention, when doing a little change and retouching, so the claim person of defining that protection scope of the present invention is attached after looking is as the criterion.

Claims (20)

1. the method for improving of an image resolution is characterized in that, is applicable to a display floater, comprising:
One first image is carried out an interpolative operation to produce one second image, and wherein the resolution of this second image is greater than the resolution of this first image;
Take a sample this second image to obtain one the 3rd image, and wherein the resolution of the 3rd image equals the resolution of this first image;
This first image and the 3rd image are carried out a subtraction to obtain a difference image;
This difference image is carried out this interpolative operation to produce a reinforcement image, and wherein the resolution of this reinforcement image equals the resolution of this second image; And
This second image and this reinforcement image are carried out an add operation to obtain one the 4th image.
2. image resolution method for improving as claimed in claim 1 is characterized in that, more comprises:
The 4th image is carried out sub-picture element to be arranged.
3. image resolution method for improving as claimed in claim 2; It is characterized in that; Wherein this display floater is a RGBW panel, and the 4th image comprises a plurality of demonstration picture elements, and wherein respectively this demonstration picture element comprises and comprises a red sub-picture element, a green sub-picture element, a blue sub-picture element and a white sub-picture element; The sub-picture element of this redness, the sub-picture element of this green, the sub-picture element of this blueness and should be arranged as square by the sub-picture element of white, and have the demonstration picture element data corresponding respectively with it.
4. image resolution method for improving as claimed in claim 3; It is characterized in that; Wherein respectively these demonstration picture element data comprise a red sub-picture element data, green sub-picture element data and blue sub-picture element data, and the step of the 4th image being carried out sub-picture element arrangement comprises:
With the sub-picture element of this redness in this demonstration picture element respectively, the sub-picture element of this green, the sub-picture element of this blueness respectively with the sub-picture element of this redness, the sub-picture element of this green, the pairing demonstration picture element of the sub-picture element of this blueness data in have a corresponding color sub-picture element data drive, and respectively the sub-picture element of this white in this demonstration picture element drives with the sub-picture element data that the GTG value is minimum in the pairing demonstration picture element data respectively.
5. image resolution method for improving as claimed in claim 1; It is characterized in that; Wherein this first image comprises a plurality of first picture elements; The 3rd image comprises a plurality of the 3rd picture elements, and respectively the picture element data of the 3rd picture element is for carrying out the operation result of this interpolative operation to the picture element data of adjacent at least 2 those first picture elements.
6. image resolution method for improving as claimed in claim 1; It is characterized in that; Wherein this first image comprises a plurality of first picture elements; Those second images comprise that artistic illustration is plain plain with a plurality of second interior artistic illustration in those first picture elements, a plurality of first; Wherein those in first artistic illustrations plain with those in second artistic illustration elements obtains for those first picture elements are carried out these interpolative operations, and respectively this in first artistic illustration element lay respectively at adjacent nearest 2 those first picture elements between, respectively this in second artistic illustration element lay respectively at the center of adjacent nearest 4 those first picture elements; Wherein respectively the plain picture element data of this first interior artistic illustration is the mean value of the picture element data of adjacent 2 those first picture elements recently, and respectively the plain picture element data of this second interior artistic illustration is the mean value of the picture element data of adjacent 4 those first picture elements recently.
7. image resolution method for improving as claimed in claim 6 is characterized in that, this second image of wherein taking a sample comprises with the step that obtains the 3rd image:
Take a sample in this second image those in second artistic illustration elements to obtain the 3rd image.
8. image resolution method for improving as claimed in claim 6 is characterized in that, wherein the step to this first image and this subtraction of the 3rd image execution comprises:
The picture element data of those first picture elements are deducted the plain picture element data of those second interior artistic illustrations of correspondence position in the 3rd image respectively.
9. image resolution method for improving as claimed in claim 1; It is characterized in that; Wherein this difference image comprises a plurality of difference picture elements; Those reinforcement images comprise that artistic illustration is plain plain with a plurality of the 4th interior artistic illustration in those difference picture elements, a plurality of the 3rd; Wherein those in the 3rd artistic illustrations plain with those in the 4th artistic illustration elements obtains for those difference picture elements are carried out these interpolative operations, and respectively in the 3rd the artistic illustration element lay respectively at adjacent nearest 2 those difference picture elements between, respectively the artistic illustration element lays respectively at the center of adjacent nearest 4 those difference picture elements in the 4th; Wherein respectively the plain picture element data of the 3rd interior artistic illustration is the mean value of the picture element data of adjacent 2 those difference picture elements recently, and respectively the plain picture element data of the 4th interior artistic illustration is the mean value of the picture element data of adjacent 4 those difference picture elements recently.
10. image resolution method for improving as claimed in claim 1 is characterized in that, wherein the step to this second image and this add operation of this reinforcement image execution comprises:
The picture element data of the picture element that this second image is comprised respectively with this reinforcement image in the picture element data addition of picture element of correspondence position.
11. the image resolution lifting device of a display floater is characterized in that, comprising:
One first interpolative operation unit carries out an interpolative operation to produce one second image to one first image, and wherein the resolution of this second image is greater than the resolution of this first image;
One sampling unit couples this first interpolative operation unit, and this second image of taking a sample is to obtain one the 3rd image, and wherein the resolution of the 3rd image equals the resolution of this first image;
One subtraction unit couples this sampling unit, and this first image and the 3rd image are carried out a subtraction to obtain a difference image;
One second interpolative operation unit couples this subtraction unit, and this difference image is carried out this interpolative operation to produce a reinforcement image, and wherein the resolution of this reinforcement image equals the resolution of this second image; And
One add operation unit couples this first interpolative operation unit and this second interpolative operation unit, and this second image and this reinforcement image are carried out an add operation to obtain one the 4th image.
12. image resolution lifting device as claimed in claim 11 is characterized in that, more comprises:
One sub-picture element arrangement units couples this add operation unit, the 4th image is carried out sub-picture element arrange.
13. image resolution lifting device as claimed in claim 12; It is characterized in that; Wherein this display floater is a RGBW panel, and the 4th image comprises a plurality of demonstration picture elements, and wherein respectively this demonstration picture element comprises and comprises a red sub-picture element, a green sub-picture element, a blue sub-picture element and a white sub-picture element; And should the sub-picture element of redness, the sub-picture element of this green, the sub-picture element of this blueness and should be arranged as square by the sub-picture element of white, and have the demonstration picture element data corresponding respectively with it.
14. image resolution lifting device as claimed in claim 13; It is characterized in that; Wherein this sub-picture element arrangement units respectively the sub-picture element of this redness in this demonstration picture element, the sub-picture element of this green, the sub-picture element of this blueness respectively with the sub-picture element of this redness, the sub-picture element of this green, the pairing demonstration picture element of the sub-picture element of this blueness data in have a corresponding color sub-picture element data drive, and respectively the sub-picture element of this white in this demonstration picture element respectively with in the demonstration picture element data of correspondence the minimum sub-picture element data of GTG value drive.
15. image resolution lifting device as claimed in claim 11; It is characterized in that; Wherein this first image comprises a plurality of first picture elements; The 3rd image comprises a plurality of the 3rd picture elements, and respectively the picture element data of the 3rd picture element are carried out the operation result of this interpolative operation to the picture element data of adjacent at least 2 those first picture elements for this first interpolative operation unit.
16. image resolution lifting device as claimed in claim 11; It is characterized in that; Wherein this first image comprises a plurality of first picture elements; Those second images comprise that artistic illustration is plain plain with a plurality of second interior artistic illustration in those first picture elements, a plurality of first; Wherein those first interior artistic illustrations are plain obtains those these interpolative operations of first picture elements execution for this first interpolative operation unit with those second interior artistic illustration elements; And respectively this in first artistic illustration element lay respectively at adjacent nearest 2 those first picture elements between; Respectively this second interior artistic illustration element lays respectively at the center of adjacent 4 those first picture elements recently, and wherein respectively the plain picture element data of this first interior artistic illustration is the mean value of the picture element data of adjacent 2 those first picture elements recently, and respectively the picture element data of this second interior artistic illustration element is the mean value of the picture element data of adjacent 4 those first picture elements recently.
17. image resolution lifting device as claimed in claim 16 is characterized in that, wherein this sampling unit more take a sample in this second image those in second artistic illustration elements to obtain the 3rd image.
18. image resolution lifting device as claimed in claim 16 is characterized in that, wherein this subtraction unit more deducts the picture element data of those first picture elements respectively the plain picture element data of those second interior artistic illustrations of correspondence position in the 3rd image.
19. image resolution lifting device as claimed in claim 11; It is characterized in that; Wherein this difference image comprises a plurality of difference picture elements; Those reinforcement images comprise that artistic illustration is plain plain with a plurality of the 4th interior artistic illustration in those difference picture elements, a plurality of the 3rd; Wherein those the 3rd interior artistic illustrations are plain obtains those these interpolative operations of difference picture elements execution for this second interpolative operation unit with those the 4th interior artistic illustration elements; And respectively in the 3rd the artistic illustration element lay respectively at adjacent nearest 2 those difference picture elements between; Respectively the 4th interior artistic illustration element lays respectively at the center of adjacent 4 those difference picture elements recently, and wherein respectively the plain picture element data of the 3rd interior artistic illustration is the mean value of the picture element data of adjacent 2 those difference picture elements recently, and respectively the picture element data of the 4th interior artistic illustration element is the mean value of the picture element data of adjacent 4 those difference picture elements recently.
20. image resolution lifting device as claimed in claim 11 is characterized in that, wherein the picture element data of the picture element that more this second image comprised of this add operation unit respectively with this reinforcement image in the picture element data addition of picture element of correspondence position.
CN2011102960399A 2011-09-28 2011-09-28 Device and method for improving image resolution of display panel Pending CN102378014A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104853059A (en) * 2014-02-17 2015-08-19 台达电子工业股份有限公司 Super-resolution image processing method and device
CN104981766A (en) * 2014-04-28 2015-10-14 华为终端有限公司 Method for displaying data on screen and display control device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1661658A (en) * 1999-11-12 2005-08-31 皇家菲利浦电子有限公司 Liquid crystal display device with high brightness
JP2011182094A (en) * 2010-02-26 2011-09-15 Nagoya Institute Of Technology Image processor and image processing program

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1661658A (en) * 1999-11-12 2005-08-31 皇家菲利浦电子有限公司 Liquid crystal display device with high brightness
JP2011182094A (en) * 2010-02-26 2011-09-15 Nagoya Institute Of Technology Image processor and image processing program

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104853059A (en) * 2014-02-17 2015-08-19 台达电子工业股份有限公司 Super-resolution image processing method and device
CN104853059B (en) * 2014-02-17 2018-12-18 台达电子工业股份有限公司 Super-resolution image processing method and its device
CN104981766A (en) * 2014-04-28 2015-10-14 华为终端有限公司 Method for displaying data on screen and display control device
WO2015165013A1 (en) * 2014-04-28 2015-11-05 华为终端有限公司 Method for displaying data on screen and display control apparatus

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Application publication date: 20120314