CN105654424A - Image adjusting proportion display method, display system and display device, and terminal - Google Patents
Image adjusting proportion display method, display system and display device, and terminal Download PDFInfo
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Abstract
The invention provides an image adjusting proportion display method. The method comprises steps that a local brightness value of each local image and the integral brightness value of an image are acquired; a first display proportion value corresponding to each local image is determined according to the local brightness values and the integral brightness value; each local image is displayed according to the corresponding first display proportion value to accomplish an image adjusting proportion display process. According to the method, each local image is amplified differently according to difference of the local average brightness values of the local images, the adaptive amplification effect is realized, moreover, the local average brightness value difference of the local images is quite small, distortion of a to-be-adjusted-in-proportion image does not occur when the local images are amplified. The invention further provides an image adjusting proportion display system, an image adjusting proportion display device and a terminal.
Description
Technical field
The present invention relates to technical field of image processing, in particular to the adjustment ratio display packing of a kind of image, the adjustment ratio display system of a kind of image, a kind of display device and a kind of terminal.
Background technology
Day by day improving of camera function and improving constantly of effect of taking pictures in view of terminal unit; terminal use relies more heavily on by the various image informations in terminal device records daily life; but; owing to the display screen of the such as small-size display equipment such as mobile phone and panel computer is limited, user would generally adopt the method for enlarged drawing picture to check the details of image.
In correlation technique, the amendment that terminal carries out for the display effect of image includes brightness, the parameters such as colorfulness, contrast and gray scale, carry out indiscriminate amplification after the display effect setting image and show all images region of image, and this amplification display method exists various disadvantages:
(1) when user adopts macro mode to carry out image acquisition, image is adjustable, and the depth of field is very little, and when amplifying focusing object, distant view object is also amplified in proportion, and therefore, when seeing the details of focusing object clearly, the details of distant view object thickens on the contrary;
(2) when user shoots light and shade contrast's relatively larger picture, such as once shoot the object under sunlight and the object under tree shade, if adopting the amplification the same with the object under sunlight to display for the object under tree shade, then the object under tree shade can show excessively coarse, and detailed information is unclear;
(3) image that user shoots under night scene is when exaggerated checking, other objects except focusing object also can show excessively coarse, and detailed information is unclear.
Therefore, how to carry out, for topography, the technical problem that adaptive amplification becomes urgently to be resolved hurrily.
Summary of the invention
The present invention be based on above-mentioned technical problem at least one, it is proposed that the adjustment ratio display packing of a kind of image for realizing image adaptive amplification effect, the adjustment ratio display system of a kind of image, a kind of display device and a kind of terminal.
In view of this, the present invention proposes the adjustment ratio display packing of a kind of image, including: obtain the local luminance average of each topography and the overall brightness average of image; The first displaying ratio value that described each topography is corresponding is determined with described overall brightness average according to described local luminance average; According to described each topography that described first displaying ratio value display is corresponding, the adjustment ratio to complete described image shows process.
In this technical scheme, by determining the first displaying ratio value corresponding to each topography with overall brightness average according to local luminance average and showing each topography according to above-mentioned first displaying ratio value, brightness for each topography is analyzed with having carried out diversity, each topography is made a distinction amplification by the difference achieving the local average luminance value according to topography, and then achieve the display effect that a kind of self adaptation is amplified, and when at the same time above-mentioned topography being amplified, the distortion of the image of ratio to be adjusted can't be caused.
In technique scheme, it is preferable that before the overall brightness average of the local luminance average and described image that obtain described topography, also include: divide the image at least one topography according to specifying strategy; Obtaining the displaying ratio instruction that the displaying ratio to described image is adjusted, wherein, the data in displaying ratio instruction include the second displaying ratio value.
In this technical scheme, by according to specifying strategy that described image carves up at least one topography and acquisition includes the displaying ratio instruction of the second displaying ratio value, optimize the adjustment ratio displaying scheme of image further, specifically, such as except focus image other regions extra-regional are divided into bigger local image region, and focus image region is divided into less local image region, so, the detailed information in focus image region can be amplified according to bigger ratio, and other regions except focus image region are amplified according to less ratio, visual experience is affected without because of the coarse display effect in other regions while ensureing the details that user observes focus image region.
In technique scheme, preferably, determine the concrete steps of the first displaying ratio value corresponding to described each topography with described overall brightness average according to described local luminance average, including: calculate the first accumulated value of brightness value corresponding to all pixels of described image; Number according to described first accumulated value and described all pixels determines described overall brightness average.
In this technical scheme, by obtaining overall brightness average, it is determined that the overall brightness effect of image, amplify the reference value of display as follow-up self adaptation, it is to avoid bigger brightness flop causes the visual fatigue of user, improves the visual experience of user.
In technique scheme, preferably, determine the concrete steps of the first displaying ratio value corresponding to described each topography according to described local luminance average with described overall brightness average, also include: calculate the second accumulated value of local luminance values corresponding to all pixels of described topography; Number according to described second accumulated value and described all pixels determines described local luminance average.
In this technical scheme, by obtaining local luminance average, it is determined that the local luminance effect of topography, as the basis of the displaying ratio value of follow-up each topography of difference analysis, avoid bigger brightness flop and cause the visual fatigue of user, improve the visual experience of user.
In technique scheme, preferably, determine the concrete steps of the first displaying ratio value corresponding to described each topography according to described local luminance average with described overall brightness average, also include: calculate the ratio of described local luminance average and described overall brightness average; Product value according to described ratio Yu described second displaying ratio value determines the displaying ratio value of described topography.
In this technical scheme, by determining the displaying ratio value of topography according to the product value of ratio and the second displaying ratio value, each topography is made a distinction amplification by the difference of the local average luminance value according to topography, difference analysis based on the local average luminance value to each topography, achieve the display effect that a kind of self adaptation is amplified, do not result in the distortion of image simultaneously.
According to a further aspect in the invention, it is also proposed that the adjustment ratio display system of a kind of image, including: acquiring unit, for obtaining the local luminance average of each topography and the overall brightness average of image; Determine unit, for determining, according to described local luminance average, the first displaying ratio value that described each topography is corresponding with described overall brightness average; Display unit, for the described each topography corresponding according to described first displaying ratio value display, the adjustment ratio to complete described image shows process.
In this technical scheme, by determining the first displaying ratio value corresponding to each topography with overall brightness average according to local luminance average and showing each topography according to above-mentioned first displaying ratio value, brightness for each topography is analyzed with having carried out diversity, achieve the difference of the local average luminance value according to topography and each topography made a distinction amplification, and then achieve the display effect that a kind of self adaptation is amplified, simultaneously, owing to the local average luminance value difference of each topography is different only small, so, when at the same time above-mentioned topography being amplified, the distortion of the image of ratio to be adjusted can't be caused.
In technique scheme, it is preferable that including: division unit, for according to specifying strategy to divide the image at least one topography; Described acquiring unit is additionally operable to, and obtains the displaying ratio instruction that the displaying ratio to described image is adjusted, and wherein, the data in displaying ratio instruction include the second displaying ratio value.
In this technical scheme, by according to specifying strategy that described image carves up at least one topography and acquisition includes the displaying ratio instruction of the second displaying ratio value, optimize the adjustment ratio displaying scheme of image further, specifically, such as except focus image other regions extra-regional are divided into bigger local image region, and focus image region is divided into less local image region, so, the detailed information in focus image region is amplified according to bigger ratio, and other regions except focus image region are amplified according to less ratio, visual experience is affected without because of the coarse display effect in other regions while ensureing the details that user observes focus image region.
In technique scheme, it is preferable that including: computing unit, for calculating the first accumulated value of brightness value corresponding to all pixels of described image; Described determine that unit is additionally operable to, determine described overall brightness average according to the number of described first accumulated value and described all pixels.
In this technical scheme, by obtaining overall brightness average, it is determined that the overall brightness effect of image, amplify the reference value of display as follow-up self adaptation, it is to avoid bigger brightness flop causes the visual fatigue of user, improves the visual experience of user.
In technique scheme, it is preferable that described computing unit is additionally operable to, calculate the second accumulated value of local luminance values corresponding to all pixels of described topography; Described determine that unit is additionally operable to, determine described local luminance average according to the number of described second accumulated value and described all pixels.
In this technical scheme, by obtaining local luminance average, it is determined that the local luminance effect of topography, as the basis of the displaying ratio value of follow-up each topography of difference analysis, avoid bigger brightness flop and cause the visual fatigue of user, improve the visual experience of user.
In technique scheme, it is preferable that described computing unit is additionally operable to, calculate the ratio of described local luminance average and described overall brightness average; Described determine that unit is additionally operable to, determine the displaying ratio value of described topography according to the product value of described ratio Yu described second displaying ratio value.
In this technical scheme, by determining the displaying ratio value of topography according to the product value of ratio and the second displaying ratio value, each topography is made a distinction amplification by the difference of the local average luminance value according to topography, difference analysis based on the local average luminance value to each topography, achieve the display effect that a kind of self adaptation is amplified, do not result in the distortion of image simultaneously.
According to the third aspect of the invention we, it is also proposed that a kind of display device, including the adjustment ratio display system of the image as described in above-mentioned any one technical scheme.
According to the fourth aspect of the invention, it is also proposed that a kind of terminal, including the adjustment ratio display system of the image as described in above-mentioned any one technical scheme or display device.
By above technical scheme, by determining the first displaying ratio value corresponding to each topography with overall brightness average according to local luminance average and showing each topography according to above-mentioned first displaying ratio value, brightness for each topography is analyzed with having carried out diversity, achieve the difference of the local average luminance value according to topography and each topography made a distinction amplification, and then achieve the display effect that a kind of self adaptation is amplified, simultaneously, owing to the local average luminance value difference of each topography is different only small, so, when at the same time above-mentioned topography being amplified, the distortion of the image of ratio to be adjusted can't be caused.
Accompanying drawing explanation
Fig. 1 illustrates that the adjustment ratio display packing of image according to an embodiment of the invention is schematic flow diagram;
Fig. 2 illustrates that the adjustment ratio display system of image according to an embodiment of the invention is schematic block diagram;
Fig. 3 illustrates that the adjustment ratio display packing of image according to still another embodiment of the invention is schematic flow diagram.
Detailed description of the invention
In order to be more clearly understood that the above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail. It should be noted that when not conflicting, embodiments herein and the feature in embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding the present invention; but; the present invention can also adopt other to be different from other modes described here to implement, and therefore, protection scope of the present invention is by the restriction of following public specific embodiment.
As shown in figures 1 and 3, the adjustment ratio display packing of image according to an embodiment of the invention, including numerous embodiments.
Embodiment one:
As it is shown in figure 1, the adjustment ratio display packing of image according to an embodiment of the invention, including: step 102, obtain the local luminance average of each topography and the overall brightness average of image; Step 104, determines, according to described local luminance average, the first displaying ratio value that described each topography is corresponding with described overall brightness average; Step 106, according to described each topography that described first displaying ratio value display is corresponding, the adjustment ratio to complete described image shows process.
In this technical scheme, by determining the first displaying ratio value corresponding to each topography with overall brightness average according to local luminance average and showing each topography according to above-mentioned first displaying ratio value, wherein said first displaying ratio value is the ratio between described local luminance average and described overall brightness average. Can be analyzed with carrying out diversity for the brightness of each topography by this technical scheme, achieve the difference of the local average luminance value according to topography and each topography made a distinction amplification, and then achieve the display effect that a kind of self adaptation is amplified, simultaneously, owing to the local average luminance value difference of each topography is different only small, so, when at the same time above-mentioned topography being amplified, the distortion of the image of ratio to be adjusted can't be caused.
In technique scheme, it is preferable that before the overall brightness average of the local luminance average and described image that obtain described topography, also include: divide the image at least one topography according to specifying strategy; Obtaining the displaying ratio instruction that the displaying ratio to described image is adjusted, wherein, the data in displaying ratio instruction include the second displaying ratio value.
In this technical scheme, by according to specifying strategy that described image carves up at least one topography and acquisition includes the displaying ratio instruction of the second displaying ratio value, optimize the adjustment ratio displaying scheme of image further, specifically, such as except focus image other regions extra-regional are divided into bigger local image region, and focus image region is divided into less local image region, so, the detailed information in focus image region is amplified according to bigger ratio, and other regions except focus image region are amplified according to less ratio, visual experience is affected without because of the coarse display effect in other regions while ensureing the details that user observes focus image region.
In technique scheme, preferably, determine the concrete steps of the first displaying ratio value corresponding to described each topography with described overall brightness average according to described local luminance average, including: calculate the first accumulated value of brightness value corresponding to all pixels of described image; Number according to described first accumulated value and described all pixels determines described overall brightness average.
In this technical scheme, by obtaining overall brightness average, it is determined that the overall brightness effect of image, amplify the reference value of display as follow-up self adaptation, it is to avoid bigger brightness flop causes the visual fatigue of user, improves the visual experience of user.
In technique scheme, preferably, determine the concrete steps of the first displaying ratio value corresponding to described each topography according to described local luminance average with described overall brightness average, also include: calculate the second accumulated value of local luminance values corresponding to all pixels of described topography; Number according to described second accumulated value and described all pixels determines described local luminance average.
In this technical scheme, by obtaining local luminance average, it is determined that the local luminance effect of topography, as the basis of the displaying ratio value of follow-up each topography of difference analysis, avoid bigger brightness flop and cause the visual fatigue of user, improve the visual experience of user.
In technique scheme, preferably, determine the concrete steps of the first displaying ratio value corresponding to described each topography according to described local luminance average with described overall brightness average, also include: calculate the ratio of described local luminance average and described overall brightness average; Product value according to described ratio Yu described second displaying ratio value determines the displaying ratio value of described topography.
In this technical scheme, by determining the displaying ratio value of topography according to the product value of ratio and the second displaying ratio value, each topography is made a distinction amplification by the difference of the local average luminance value according to topography, difference analysis based on the local average luminance value to each topography, achieve the display effect that a kind of self adaptation is amplified, do not result in the distortion of image simultaneously.
Embodiment two:
As it is shown on figure 3, the adjustment ratio display packing of image according to an embodiment of the invention, including: step 302, divide the image at least one topography according to specifying strategy; Step 304, obtains the displaying ratio instruction that the displaying ratio to described image is adjusted, and wherein, the data in displaying ratio instruction include the first displaying ratio value R; Step 306, obtains the resolution H*W of the image of displaying ratio to be adjusted, and wherein, H is longitudinal pixel number, and W is horizontal pixel number; Step 308, calculates the overall brightness average L of H*W pixel; Step 310, obtains the resolution h*w of topography to be adjusted, and wherein, h is the pixel number that topography is longitudinal, and w is horizontal pixel number; Step 312, calculates the overall brightness average l of h*w pixel; Step 314, calculates the value of (l/L) * R, as the displaying ratio value of topography.
Specifically, the technical program, when realizing, first obtains the resolution H*W of image, and wherein, H is image longitudinal direction pixel number, and W is image pixels across point number, calculates the luminance mean value L of whole image, and computing formula is as follows:
Wherein, (x y) is pixel (x, brightness value y), and satisfied 0��x��W, 0��y��H to L.
The method obtaining luminance mean value l includes multiple:
(1) obtaining image topography on the display screens such as LCD, first obtain the resolution h*w of image, wherein, h is image longitudinal direction pixel number, and w is image pixels across point number, calculates the luminance mean value l of whole image, and computing formula is as follows:
Wherein, (x y) is pixel (x, brightness value y), and meet x �� [x1, x2], y �� [y1, y2] to l.
(2) obtain picture topography on the display screens such as LCD, determine image-region with upper left angle point and bottom right angle point, respectively (x1, y1), (x2, y2), calculating corresponding luminance mean value l, computing formula is as follows:
Wherein, (x y) is pixel (x, brightness value y), and meet x �� [x1, x2], y �� [y1, y2] to l.
Finally, calculate the value of (l/L) * R, as the displaying ratio value of topography, after determining the displaying ratio value of each topography, above-mentioned image has been displayed displaying ratio and has adjusted process.
Fig. 2 illustrates the schematic block diagram of the adjustment ratio display system of image according to an embodiment of the invention.
As in figure 2 it is shown, the adjustment ratio display system 200 of image according to an embodiment of the invention, including: acquiring unit 202, for obtaining the local luminance average of each topography and the overall brightness average of image; Determine unit 204, for determining, according to described local luminance average, the first displaying ratio value that described each topography is corresponding with described overall brightness average; Display unit 206, for the described each topography corresponding according to described first displaying ratio value display, the adjustment ratio to complete described image shows process.
In this technical scheme, by determining the first displaying ratio value corresponding to each topography with overall brightness average according to local luminance average and showing each topography according to above-mentioned first displaying ratio value, wherein said first displaying ratio value is the ratio between described local luminance average and described overall brightness average. Can be analyzed with having carried out diversity for the brightness of each topography by this technical scheme, achieve the difference of the local average luminance value according to topography and each topography made a distinction amplification, and then achieve the display effect that a kind of self adaptation is amplified, simultaneously, owing to the local average luminance value difference of each topography is different only small, so, when at the same time above-mentioned topography being amplified, the distortion of the image of ratio to be adjusted can't be caused.
In technique scheme, it is preferable that including: division unit 208, for according to specifying strategy to divide the image at least one topography; Described acquiring unit 202 is additionally operable to, and obtains the displaying ratio instruction that the displaying ratio to described image is adjusted, and wherein, the data in displaying ratio instruction include the second displaying ratio value.
In this technical scheme, by according to specifying strategy that described image carves up at least one topography and acquisition includes the displaying ratio instruction of the second displaying ratio value, optimize the adjustment ratio displaying scheme of image further, specifically, such as except focus image other regions extra-regional are divided into bigger local image region, and focus image region is divided into less local image region, so, the detailed information in focus image region is amplified according to bigger ratio, and other regions except focus image region are amplified according to less ratio, visual experience is affected without because of the coarse display effect in other regions while ensureing the details that user observes focus image region.
In technique scheme, it is preferable that including: computing unit 210, for calculating the first accumulated value of brightness value corresponding to all pixels of described image; Described determine that unit 204 is additionally operable to, determine described overall brightness average according to the number of described first accumulated value and described all pixels.
In this technical scheme, by obtaining overall brightness average, it is determined that the overall brightness effect of image, amplify the reference value of display as follow-up self adaptation, it is to avoid bigger brightness flop causes the visual fatigue of user, improves the visual experience of user.
In technique scheme, it is preferable that described computing unit 210 is additionally operable to, calculate the second accumulated value of local luminance values corresponding to all pixels of described topography; Described determine that unit 204 is additionally operable to, determine described local luminance average according to the number of described second accumulated value and described all pixels.
In this technical scheme, by obtaining local luminance average, it is determined that the local luminance effect of topography, as the basis of the displaying ratio value of follow-up each topography of difference analysis, avoid bigger brightness flop and cause the visual fatigue of user, improve the visual experience of user.
In technique scheme, it is preferable that described computing unit 210 is additionally operable to, calculate the ratio of described local luminance average and described overall brightness average; Described determine that unit 204 is additionally operable to, determine the displaying ratio value of described topography according to the product value of described ratio Yu described second displaying ratio value.
In this technical scheme, by determining the displaying ratio value of topography according to the product value of ratio and the second displaying ratio value, each topography is made a distinction amplification by the difference of the local average luminance value according to topography, difference analysis based on the local average luminance value to each topography, achieve the display effect that a kind of self adaptation is amplified, do not result in the distortion of image simultaneously.
Present invention also offers a kind of display device, described display device includes the adjustment ratio display system of the image that any of the above-described technical scheme provides.
Present invention also offers a kind of terminal, described terminal includes the adjustment ratio display system of the image that any of the above-described technical scheme provides, or includes display device provided by the invention.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations. All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (12)
1. the adjustment ratio display packing of an image, it is characterised in that including:
Obtain the local luminance average of each topography and the overall brightness average of image;
The first displaying ratio value that described each topography is corresponding is determined with described overall brightness average according to described local luminance average;
According to described each topography that described first displaying ratio value display is corresponding, the adjustment ratio to complete described image shows process.
2. the adjustment ratio display packing of image according to claim 1, it is characterised in that before the overall brightness average of the local luminance average and described image that obtain described topography, also include:
At least one topography is divided the image into according to specifying strategy;
Obtaining the displaying ratio instruction that the displaying ratio to described image is adjusted, wherein, the data in displaying ratio instruction include the second displaying ratio value.
3. the adjustment ratio display packing of image according to claim 1 and 2, it is characterised in that determine the concrete steps of the first displaying ratio value corresponding to described each topography according to described local luminance average with described overall brightness average, including:
Calculate the first accumulated value of brightness value corresponding to all pixels of described image;
Number according to described first accumulated value and described all pixels determines described overall brightness average.
4. the adjustment ratio display packing of image according to claim 3, it is characterised in that determine the concrete steps of the first displaying ratio value corresponding to described each topography according to described local luminance average with described overall brightness average, also include:
Calculate the second accumulated value of local luminance values corresponding to all pixels of described topography;
Number according to described second accumulated value and described all pixels determines described local luminance average.
5. the adjustment ratio display packing of the image according to claim 2 or 4, it is characterised in that determine the concrete steps of the first displaying ratio value corresponding to described each topography according to described local luminance average with described overall brightness average, also include:
Calculate the ratio of described local luminance average and described overall brightness average;
Product value according to described ratio Yu described second displaying ratio value determines the displaying ratio value of described topography.
6. the adjustment ratio display system of an image, it is characterised in that including:
Acquiring unit, for obtaining the local luminance average of each topography and the overall brightness average of image;
Determine unit, for determining, according to described local luminance average, the first displaying ratio value that described each topography is corresponding with described overall brightness average;
Display unit, for the described each topography corresponding according to described first displaying ratio value display, the adjustment ratio to complete described image shows process.
7. the adjustment ratio display system of image according to claim 6, it is characterised in that including:
Division unit, for according to specifying strategy to divide the image at least one topography;
Described acquiring unit is additionally operable to, and obtains the displaying ratio instruction that the displaying ratio to described image is adjusted, and wherein, the data in displaying ratio instruction include the second displaying ratio value.
8. the adjustment ratio display system of the image according to claim 6 or 7, it is characterised in that including:
Computing unit, for calculating the first accumulated value of brightness value corresponding to all pixels of described image;
Described determine that unit is additionally operable to, determine described overall brightness average according to the number of described first accumulated value and described all pixels.
9. the adjustment ratio display system of image according to claim 8, it is characterised in that described computing unit is additionally operable to, calculates the second accumulated value of local luminance values corresponding to all pixels of described topography;
Described determine that unit is additionally operable to, determine described local luminance average according to the number of described second accumulated value and described all pixels.
10. the adjustment ratio display system of the image according to claim 7 or 9, it is characterised in that described computing unit is additionally operable to, and calculates the ratio of described local luminance average and described overall brightness average;
Described determine that unit is additionally operable to, determine the displaying ratio value of described topography according to the product value of described ratio Yu described second displaying ratio value.
11. a display device, it is characterised in that including: the adjustment ratio display system of the image as according to any one of claim 6 to 10.
12. a terminal, it is characterised in that including: the adjustment ratio display system of the image as according to any one of claim 6 to 10 or display device as claimed in claim 11.
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| WO2020098624A1 (en) * | 2018-11-16 | 2020-05-22 | 京东方科技集团股份有限公司 | Display method and apparatus, vr display apparatus, device, and storage medium |
| US11321812B2 (en) | 2018-11-16 | 2022-05-03 | Beijing Boe Optoelectronics Technology Co., Ltd. | Display method, display device, virtual reality display device, virtual reality device, and storage medium |
| CN109472874B (en) * | 2018-11-16 | 2022-05-31 | 京东方科技集团股份有限公司 | Display method, display device, VR display device and storage medium |
| CN111210777A (en) * | 2018-11-21 | 2020-05-29 | 北京小米移动软件有限公司 | Backlight brightness adjusting method and device, electronic equipment and machine-readable storage medium |
| CN109978951A (en) * | 2019-03-05 | 2019-07-05 | 上海大学 | A kind of bottle cap capping Image Quick Orientation method based on Rad ial discretization route searching |
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