CN105809721A - Application icon generation method, device and mobile device - Google Patents
Application icon generation method, device and mobile device Download PDFInfo
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- CN105809721A CN105809721A CN201410842996.0A CN201410842996A CN105809721A CN 105809721 A CN105809721 A CN 105809721A CN 201410842996 A CN201410842996 A CN 201410842996A CN 105809721 A CN105809721 A CN 105809721A
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- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
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Abstract
The invention discloses an application icon generation method, a device and a mobile device. The invention discloses an application icon generation method, comprising steps of sampling pixel points from an original image of an application icon, obtaining position coordinates and pixel values of sampled pixel points, performing fitting on pixel values of obtained pixel points which are sampled, generating a pixel value fitting function of the sampled pixel point, determining whether the proportion of the sampled pixel points conforming to the fitting function is greater than the preset proportion, if yes, generating a background image of the application icon according to the relation between the position and the pixel value which is demonstrated by the fitting function, and synthesizing the original image to the background image to generate the application icon. The application icon generation method, the device and the mobile device can automatically generate an application icon, avoid manually drawing of the application icon, and reduce the labor.
Description
Technical field
The application relates to image processing field, is specifically related to the generation method and apparatus of a kind of application icon.The application relates to a kind of mobile equipment simultaneously.
Background technology
Along with the development of development of Mobile Internet technology, the software based on mobile Internet is also increasing, for instance: operating system, brush machine bag, multipad etc., various softwares have provided the user colourful service.Owing to the developer of various softwares is different, therefore the design style of various softwares all differs.Such as, in operating system field, including YunOS, IOS, Android etc., each operating system has the design style of oneself；In brush machine bag (that is: ROM bag) field, including MIUI, the happy frog OS, SmartisanOS etc., the design style of each brush machine bag all differs；In multipad field, including Semen setariae desktop, dessert desktop etc., each application also has the design style of oneself.In sum, based on the design style that the software of mobile Internet is ununified.
Software based on mobile Internet also includes various third-party application.In order to facilitate user to run third-party application, generally the application icon of third-party application is directly displayed on the table.In actual applications, for improving the experience of user, it is necessary to enable the application icon of third-party application to meet the design style of whole system.But, owing to the design style of the application icon of third-party application depends entirely on the developer of third-party application, therefore different application has different design styles, application and the design style between system and also differs.As can be seen here, the design style of application icon and system is inconsistent becomes a problem needing to solve.
Solve the existing method of the problems referred to above, be that the application icon to third-party application carries out manual repainting.Adopt and manually repaint method, be primarily present two shortcomings: 1) due to the enormous amount of third-party application, the workload therefore manually repainted also is huge, for company or team from economy, the time is all huge consumption；2) due to third party may irregular renewal application icon, without finding timely and carry out repainting to bring bad experience to user.In actual applications, for reducing workload, the strategy being usually taken is, being chosen in application shop, earlier some of ranking should for repainting its application icon.
In sum, for making the application icon can be consistent with the design style of system, prior art exists and manually redraws the problem that application icon causes workload huge.
Summary of the invention
The application provides a kind of generation method of application icon, device and mobile equipment, exists and manually redraws the problem that application icon causes workload huge solving prior art.
The application provides a kind of generation method of application icon, including:
Sampling pixel points in the original image of application icon, obtains each position coordinates being sampled pixel and pixel value；
The pixel value being sampled pixel described in obtaining is fitted, described in generation, is sampled the pixel value fitting function of pixel；
Judge that whether what meet described fitting function is sampled pixel quantity proportion more than preset ratio；If so, the position then represented according to described fitting function and pixel value relation, generate the background image of described application icon；
Described original image is synthesized on described background image, generates described application icon.
Optionally, if whether the pixel quantity proportion that is sampled that described judgement meets described fitting function is no more than the judged result of preset ratio, then according to described in pixel value that to be sampled in pixel accounting example maximum, generate the background image of described application icon.
Optionally, the pixel value that to be sampled in pixel described in described basis accounting example maximum, generate the background image of described application icon, including:
It is sampled in pixel the quantity of pixel values at different levels described in calculating；
Using pixel values maximum for quantity as the pixel value of each pixel in described background image, generate described background image.
Optionally, described sampling pixel points in the original image of application icon, in the following way:
Sampling string or one-row pixels point in described original image.
Optionally, the described pixel value to being sampled pixel described in obtaining is fitted, and is sampled the pixel value fitting function of pixel described in generation, in the following way:
Carry out quadratic polynomial Function Fitting to being sampled pixel, described in generation, be sampled the secondary pixel value fitting function of pixel.
Optionally, described carry out quadratic polynomial Function Fitting to being sampled pixel, in the following way:
Adopt RANSAC method or method of least square, the described pixel that is sampled is carried out quadratic polynomial Function Fitting.
Optionally, described it is fitted being sampled pixel, described in generation, is sampled the pixel value fitting function of pixel, including:
Pixel distributed data in each channel components characterizing pixel value it is sampled described in acquisition；
According to the distributed data in each channel components described, it is fitted respectively on the various channels calculating, generates the pixel value fitting function of each passage.
Optionally, what described judgement met described fitting function is sampled pixel quantity proportion whether more than, in the step of preset ratio, adopting following steps to judge to be sampled whether pixel meets described fitting function:
Bring the position coordinate value being sampled pixel into described fitting function, described in calculating, be sampled the matching pixel value of pixel；
Whether the distance between the actual pixel value of pixel and the described matching pixel value being sampled pixel it is sampled less than predeterminable range described in judgement；
If above-mentioned judged result is yes, then it is sampled pixel described in judging and meets described fitting function；
Traversal is sampled pixel, and each pixel that is sampled is performed above-mentioned judgement；After having judged, if the determination result is YES, then the pixel quantity that is sampled meeting described fitting function is added one every time；After having traveled through, what meet described fitting function described in namely obtaining is sampled pixel quantity.
Optionally, whether what described judgement met described fitting function is sampled pixel quantity proportion more than preset ratio, in the following way:
Judge meet characterize pixel value each passage pixel value fitting function be sampled whether pixel quantity proportion is all higher than preset ratio.
Optionally, if described in the original image of application icon the sample mode of sampling pixel points be in described original image sampling string pixel, then the described position represented according to described fitting function and pixel value relation, generate the background image of described application icon, including:
Travel through each row of described background image, ordinate value corresponding for described row is brought into described fitting function, calculate and obtain the pixel value that described ordinate value is corresponding；
Using pixel value corresponding for described ordinate value as the pixel value of each pixel in described row.
Optionally, if described in the original image of application icon the sample mode of sampling pixel points be in described original image sampling one-row pixels point, then the described position represented according to described fitting function and pixel value relation, generate the background image of described application icon, including:
Travel through each row of described background image, bring abscissa value corresponding for described row into described fitting function, calculate and obtain the pixel value that described abscissa value is corresponding；
Using pixel value corresponding for described abscissa value as the pixel value of each pixel in described row.
Optionally, the color mode of described original image includes rgb color pattern.
The application also provides for the generation device of a kind of application icon, including:
Sampling unit, for sampling pixel points in the original image of application icon, obtains each position coordinates being sampled pixel and pixel value；
Fitting unit, for the pixel value being sampled pixel described in obtaining is fitted, is sampled the pixel value fitting function of pixel described in generation；
Whether judging unit, be sampled pixel quantity proportion more than preset ratio for what judge to meet described fitting function；If so, the position then represented according to described fitting function and pixel value relation, generate the background image of described application icon；
Synthesis unit, for described original image is synthesized to described background image, generates described application icon.
Optionally, described judging unit includes:
First generates subelement, if whether the pixel quantity proportion that is sampled meeting described fitting function for described judgement is no more than the judged result of preset ratio, then according to described in pixel value that to be sampled in pixel accounting example maximum, generate the background image of described application icon.
Optionally, described first generation subelement includes:
Computation subunit, for the quantity being sampled in pixel described in calculating pixel values at different levels；
Generate subelement, be used for pixel values maximum for quantity as the pixel value of each pixel in described background image, generate described background image.
Optionally, described fitting unit includes:
Obtain subelement, for being sampled pixel distributed data in each channel components characterizing pixel value described in obtaining；
Matching subelement, for according to the distributed data in each channel components described, being fitted respectively on the various channels calculating, generate the pixel value fitting function of each passage.
Optionally, described judging unit includes:
Whether first judgment sub-unit, be sampled pixel quantity proportion more than preset ratio for what judge to meet described fitting function；
Described first judgment sub-unit includes:
First computation subunit, for calculate meet described fitting function be sampled pixel quantity；
Described first computation subunit includes:
For judgement, second judgment sub-unit, is sampled whether pixel meets described fitting function；
Described second judgment sub-unit includes:
Second computation subunit, for bringing the position coordinate value being sampled pixel into described fitting function, is sampled the matching pixel value of pixel described in calculating；
Whether 3rd judgment sub-unit, be sampled the distance between the actual pixel value of pixel and the described matching pixel value being sampled pixel less than predeterminable range described in judging；If so, it is sampled pixel described in then judging and meets described fitting function.
Optionally, described judging unit includes:
Second generates subelement, if being whether yes more than the judged result of preset ratio for the described pixel quantity proportion that is sampled judging to meet described fitting function, the position then represented according to described fitting function and pixel value relation, generate the background image of described application icon.
Optionally, described second generation subelement includes:
First traversal subelement, for traveling through each row of described background image, brings ordinate value corresponding for described row described fitting function into, calculates and obtain the pixel value that described ordinate value is corresponding；
First arranges subelement, for using pixel value corresponding for described ordinate value as the pixel value of each pixel in described row.
Optionally, described second generation subelement includes:
Second traversal subelement, for traveling through each row of described background image, brings abscissa value corresponding for described row into described fitting function, calculates and obtain the pixel value that described abscissa value is corresponding；
Second arranges subelement, for using pixel value corresponding for described abscissa value as the pixel value of each pixel in described row.
Additionally, the application also provides for a kind of mobile equipment, it is characterised in that described mobile equipment includes:
Display；
Processor；And
Memorizer, described memorizer is configured to store the original image of application icon, when described original image is performed by described processor, described application icon is shown at described display, described application icon is synthesized by described original image and background image, described background image be according in described original image be sampled pixel pixel value fitting function generate, and described background image be sized larger than described original image.
Compared with prior art, the application has the advantage that
The application provides a kind of generation method of application icon, device and mobile equipment, it is fitted by the original image to application icon is sampled pixel, generate the pixel value fitting function being sampled pixel, if what meet fitting function is sampled pixel quantity proportion more than preset ratio, the position then represented according to fitting function and pixel value relation, generate the background image of application icon, and original image is synthesized on background image, make to automatically generate application icon, avoid manually repainting application icon, thus reaching to reduce the effect of workload.
Accompanying drawing explanation
Fig. 1 is the flow chart of the generation embodiment of the method for the application icon of the application；
Fig. 2 be the generation embodiment of the method for the application icon of the application be sampled the pixel pixel-value profile at blue channel；
Fig. 3 be the generation embodiment of the method for the application icon of the application be sampled the pixel pixel value quadratic fit curve figure at blue channel；
Fig. 4 is that the judgement of the generation embodiment of the method for the application icon of the application is sampled whether the pixel value of pixel meets the particular flow sheet of fitting function；
Fig. 5 is the schematic diagram generating device embodiment of the application icon of the application；
Fig. 6 is the schematic diagram of the mobile apparatus embodiments of the application.
Detailed description of the invention
Elaborate a lot of detail in the following description so that fully understanding the present invention.But the present invention can implement being much different from alternate manner described here, and those skilled in the art can do similar popularization when without prejudice to intension of the present invention, therefore the present invention is by the following public restriction being embodied as.
In this application, it is provided that a kind of generation method of application icon, device, and a kind of mobile equipment.It is described in detail one by one in the following embodiments.
The generation method of the application icon that the application provides, it is based on such a design concept, that is: when the pixel value fitting function being sampled pixel in original image can represent the actual pixel value distribution situation being sampled pixel, generate the background image of application icon according to fitting function, and original image and background image are synthesized application icon.Therefore, by implement the application provide method, it is possible to generate visually with the application icon of original image comparatively harmony and natural.
Refer to Fig. 1, it is the flow chart of generation embodiment of the method for application icon of the application.Described method comprises the steps:
Step S101: sampling pixel points in the original image of application icon, obtains each position coordinates being sampled pixel and pixel value.
Original image described in the embodiment of the present application, is the original application icon of third-party application offer.From the image file storage format angle of image, the image file storage format that original image is conventional includes PNG format (PortableNetworkGraphics, portable network figure form), BMP form (Bitmap, bitmap format), JPEG (JointPhotographicExpertsGroup, JPEG's form) etc..Wherein, PNG format is a kind of bitmap file storage format, and when PNG is used for storing gray level image, how the degree of depth of gray level image is can to 16, and during storage color image, the degree of depth of coloured image how to 48, and also can store many α channel datas to 16.BMP form is the standard image file format in Windows operating system, uses very wide.It adopts position to map storage format, except picture depth is optional, does not adopt other any compressions, and therefore, the space shared by BMP file is very big.JPEG is first International Standard of image compression, and jpeg image compression algorithm while providing good compression performance, can have reasonable reconstruction quality, be widely used in image, field of video processing.From image color pattern angles, the color mode of original image includes rgb color pattern.Color mode is a kind of algorithm representing color in digital world, is the model that certain color shows as digital form, or perhaps a kind of mode recording color of image.In digital world, in order to represent shades of colour, people generally divide a color into some components.Color mode is divided into: RGB pattern, CMYK pattern, HSB pattern, Lab color mode, pattern bitmap, grayscale mode, Indexed Color mode, duotone mode and multi-channel mode.Owing to original image for showing on screen, not for printing or printing, therefore original image generally uses RGB pattern, so can obtain wider colour gamut.
Application icon described in the embodiment of the present application, also known as desktop icons or handle icon, the icon of the third-party application being shown on desktop.By clicking application icon, it is possible to run corresponding third-party application.Application icon is the image after the original image that third-party application is provided redraws.
Implement the method that the application provides, first have to sampling pixel points in original image, obtain each position being sampled pixel and pixel value data.Realize the process of sampling pixel points in original image, multiple specific implementation can be adopted, such as: can sample in original image string or one-row pixels point, it is also possible to be the one piece of continuum sampled and be positioned at different rows, different lines, it is also possible to be completely discrete pixel.Sample these different modes above-mentioned, be all the change of detailed description of the invention, all without departing from the core of the application, therefore all within the protection domain of the application.
The computation complexity of the process of fitting treatment related in the subsequent step that different sample modes is corresponding is different.Such as: sampling is positioned at the computation complexity of the process of fitting treatment corresponding to one piece of continuum of different rows, different lines, the computation complexity of the process of fitting treatment corresponding higher than sampling string or one-row pixels point.Reason is in that, different rows, different lines the pixel value fitting function graph of a correspondence of sampling pixel points be a three-dimension curved surface, and the pixel value fitting function graph of a correspondence of string or a line sampling pixel points can be reduced to a two-dimensional curve.The computation complexity of three-dimension curved surface is higher than the computation complexity of two-dimensional curve.Corresponding different sample modes, the effect of the background paper of generation is also different.One piece of specific continuum according to different rows, different lines, generates background image, and this background image and original image are visually likely to harmony and natural more.Such as: by the color of the color image as a setting in a certain block edge region in original image, its visual effect is likely to be higher than the visual effect of the background image that the color according to string sampling pixel points generates.
Consider computation complexity and visual effect, in the present embodiment, preferentially adopt the sample mode of string pixel of sampling in original image, it is achieved the process of sampling pixel points in the original image of application icon.The original image of application icon is sampled after string pixel, obtain each position coordinates being sampled pixel and pixel value in these row.Such as: the original image of a rgb color pattern, it is of a size of 150*150, after the 5th row pixel in this image of sampling, the coordinate figure sequence being sampled pixel obtained is: (5,1), (5,2), (5,3) ... (5,150), sequence of pixel values is: (255,0,0), (255,0,0), (255,0,1) ... (255,0,255).
Step S102: the pixel value being sampled pixel described in obtaining is fitted, is sampled the pixel value fitting function of pixel described in generation.
Original image is sampled after string pixel, according to each position coordinates being sampled pixel and pixel value of obtaining, the pixel value being sampled pixel is carried out Polynomial curve-fit, generate the pixel value fitting function being sampled pixel.Realize being sampled, described in obtaining, the process that the pixel value of pixel is fitted, multiple specific implementation can be adopted, such as: the pixel value being sampled pixel can be carried out quadratic polynomial Function Fitting, it is also possible to be the Polynomial curve-fit of more high order.The number of times of fitting function is more high, the fitting degree of the pixel value being sampled pixel is more high, it may be assumed that fitting effect is more good, but the computation complexity of correspondence is also more high.
Considering fitting effect and computation complexity, in the present embodiment, the pixel value being sampled pixel is carried out quadratic polynomial Function Fitting by prioritizing selection, generates the secondary pixel value fitting function being sampled pixel.
In mathematics, the most high order of quadratic function is necessary for secondary, and the basic representation form of quadratic function is y=ax2+bx+c(a≠0).The image of quadratic function is that axis of symmetry is parallel or coincide with the parabola of y-axis.So-called quadratic fit, namely according to given data sequence, by these group data of quadratic polynomial Function Fitting.In the present embodiment, fit object is to obtain the fitting function under the fitting function mean square error least meaning with data sequence.Owing to quadratic function is expressed as: y=ax2+ bx+c, carries out the process of quadratic polynomial Function Fitting to the pixel value being sampled pixel, it is simply that ask for the process of coefficient a, b, c in quadratic function.In actual applications, the occurrence of coefficient a, b, c of quadratic function depends on the data sequence being fitted, if the data sequence being fitted is linear distribution, then the value of quadratic term coefficient a corresponds to zero.
In actual applications, it is possible to adopt multiple specific algorithm, it is achieved the pixel value being sampled pixel is carried out quadratic polynomial Function Fitting, for instance: RANSAC algorithm or method of least square etc..Method of least square is generally suitable for the situation that error is less, if need extraction model from noise bigger data set, method of least square just seems unable to do what one wishes.It is relatively big that pixel value owing to being sampled pixel in original image is likely to difference, and now, the fitting effect of RANSAC algorithm is better than method of least square.In the present embodiment, it is preferable that the pixel value being sampled pixel is carried out quadratic polynomial Function Fitting by RANSAC algorithm.Illustrate adopting RANSAC algorithm that the pixel value being sampled pixel is carried out quadratic polynomial Function Fitting below.
The input of RANSAC algorithm is one group of observation data (often containing bigger noise or Null Spot), and one for explaining parameterized model and some believable parameters of observation data.RANSAC reaches target by the one group of random subset being chosen in data.The subset being selected is assumed to be intra-office point, and is verified by following method: first, has a model to be adapted to the intra-office point assumed, namely all of unknown parameter can calculate from the intra-office point assumed；Then, go to test other data all of with the model obtained in the first step, if certain point is applicable to the model estimated, it is believed that it is also intra-office point.If having abundant point to be classified as the intra-office point of hypothesis, then the model of estimation is sufficient for rationally.Then, with the intra-office of all hypothesis point duplicate removal new estimation model (such as: use method of least square), because it is only by initial hypothesis intra-office point estimation.Finally, by estimating that the error rate of intra-office point and model carrys out assessment models.Said process is repeatedly executed fixing number of times, the model that every time produces or because intra-office point is rejected very little, or because better and selected than existing model.
Application RANSAC algorithm, carries out quadratic polynomial Function Fitting to the pixel value being sampled pixel.Assume that the quantity being sampled pixel is 100, the pixel value being sampled pixel is carried out quadratic polynomial Function Fitting, then fit procedure is as described below: first, three pixels are arbitrarily chosen in being sampled pixel, pixel value according to three pixels chosen carries out quadratic polynomial Function Fitting, obtain each coefficient, obtain a quadratic polynomial function；Then, remove to test the pixel value of remaining 97 pixels with this quadratic polynomial function, obtain being applicable to the pixel number of this function；After said process repeats fixed number of times (such as 10 times), select the quadratic polynomial function that corresponding pixel number is maximum as final fitting function.
In the present embodiment, original image is the image of RGB pattern, and namely each pixel value is characterized by three Color Channels of red, green, blue, is therefore fitted being sampled pixel, generates the pixel value fitting function being sampled pixel, comprise the steps:
Step S1021: be sampled pixel distributed data in each channel components characterizing pixel value described in acquisition.
In the image of RGB pattern, the pixel value of each pixel is represented jointly by three components, it is designated as (r, g, b), wherein r to be the component value of red channel, g the be component value of green channel, b are the component value of blue channel, and the component value superposition of three passages obtains the color of pixel.Owing to each pixel value is by three representation in components, therefore, only when the distributed data of each Color Channel all meets the fitting function of respective channel, can judge that fitting function can represent the actual pixel value distribution situation being sampled pixel.In order to the component value of each Color Channel being sampled pixel is fitted respectively, first have to obtain the distributed data being sampled pixel in each channel components characterizing pixel value.
Refer to Fig. 2, its be the application application icon generation embodiment of the method be sampled the pixel pixel-value profile at blue channel.Being the column data in original image owing to being sampled pixel, therefore the abscissa correspondence in Fig. 2 is sampled the vertical coordinate position of pixel, and the vertical coordinate in Fig. 2 represents the pixel value being sampled pixel.By observing the shape of curve in Fig. 2, it can be seen that the Mutational part of curve and the blue color component value of smooth have bigger difference.
Step S1022: according to the distributed data in each channel components described, is fitted respectively on the various channels calculating, generates the pixel value fitting function of each passage.
Get be sampled pixel characterize pixel value each channel components on distributed data after, in addition it is also necessary to for each passage distributed data respectively be fitted calculate, generate the pixel value fitting function of each passage.Such as: adopting RANSAC algorithm to carry out quadratic polynomial Function Fitting to being sampled pixel distributed data on blue channel component in Fig. 2, coefficient a, b, c obtained respectively 0.0,0.528492,204.00, wherein quadratic term coefficient is 0.According to the quadratic polynomial function obtained, first each is sampled the ordinate value of pixel as quadratic polynomial argument of function x, brings quadratic polynomial function into, calculate the value of the dependent variable y of quadratic polynomial function；Then, further according to (x, y) value draws the corresponding point in quadratic fit curve.When each being sampled after pixel carries out above-mentioned process, generate one and be sampled the pixel quadratic fit curve figure at blue channel.
Refer to Fig. 3, its be the application application icon generation embodiment of the method be sampled the pixel pixel value quadratic fit curve figure at blue channel.Consistent with the coordinate dimensions of Fig. 2, the vertical coordinate position of the abscissa corresponding pixel points of Fig. 3, the vertical coordinate in Fig. 3 represents pixel value.By observing the shape of quadratic fit curve in Fig. 3, it can be seen that quadratic fit curve is straight line, and this represents along with the vertical coordinate change in location of pixel, color value generation gradual change.
Step S103: judge that whether what meet described fitting function is sampled pixel quantity proportion more than preset ratio；If so, the position then represented according to described fitting function and pixel value relation, generate the background image of described application icon.
After generating the pixel value fitting function being sampled pixel, it is necessary to judge whether fitting function can represent the actual pixel value distribution situation being sampled pixel, and according to judged result, determine to generate the specific embodiments of background image.The method that the application provides, it is judged that whether fitting function can represent the embodiment of the actual pixel value distribution situation being sampled pixel is, it is judged that whether what meet fitting function is sampled pixel quantity proportion more than preset ratio.What is called meets fitting function, refers to that the distance between the matching pixel value that the actual pixel value being sampled pixel is corresponding with fitting function is in preset distance.Calculate meet fitting function be sampled pixel quantity, whether the actual pixel value first having to judge to be sampled pixel meets matching pixel value corresponding in fitting function.
Refer to Fig. 4, it is that the judgement of generation embodiment of the method for application icon of the application is sampled whether the pixel value of pixel meets the particular flow sheet of fitting function.In the present embodiment, it is judged that whether an actual pixel value being sampled pixel meets matching pixel value corresponding on described fitting function, comprises the steps:
Step S401: bring the position coordinate value being sampled pixel into described fitting function, is sampled the matching pixel value of pixel described in calculating.
For sample mode for sampling string pixel, being positional information by the independent variable x of the step S102 fitting function obtained, dependent variable y is pixel value, therefore, bring the position coordinate value being sampled pixel into fitting function, it becomes possible to calculate the matching pixel value being sampled pixel.
Step S402: whether be sampled the distance between the actual pixel value of pixel and the described matching pixel value being sampled pixel described in judgement less than predeterminable range.
In the present embodiment, predeterminable range can value be: is sampled the Minimum Mean Square Error between the actual pixels value sequence of pixel and matching sequence of pixel values, it is also possible to is the smaller value directly determined.Predeterminable range is more little, meet fitting function to be sampled pixel quantity more few, the probability adopting the technical scheme generating background image according to fitting function is more little.
Step S403: if above-mentioned judged result is yes, then be sampled pixel described in judging and meet described fitting function.
Fig. 2, the blue channel shown in 3 example in, predeterminable range is set as 3, it may be assumed that if the distance being sampled between the actual pixel value of pixel and matching pixel value is less than 3, then judges that this is in the matched curve that fitting function is corresponding.
In order to calculate meet fitting function described in acquisition be sampled pixel quantity, it is necessary to travel through each and be sampled pixel, be sampled the step that pixel performs in Fig. 4 judge accordingly each.After having judged, if the determination result is YES, then the pixel quantity that is sampled meeting described fitting function is added one every time；After having traveled through, what meet described fitting function described in namely obtaining is sampled pixel quantity.
Original image for multichannel color pattern, owing to each pixel value is represented jointly by multiple color components, therefore, only when the fitting function of each Color Channel is all with the distributed data matching of this passage, can judge that fitting function can represent the actual pixel value distribution situation being sampled pixel.Therefore, when performing step S103, what judge to meet described fitting function is sampled pixel quantity proportion whether more than the process of preset ratio, in the following way: judge to meet each passage characterizing pixel value pixel value fitting function be sampled whether pixel quantity proportion is all higher than preset ratio.Such as: for the original image of rgb color pattern, need this sampling pixel points quantity proportion judging to meet described fitting function respectively on each Color Channel whether more than preset ratio, only when the judged result of three Color Channels is more than preset ratio, what can judge to meet described fitting function is sampled pixel quantity proportion more than preset ratio.
Preset ratio in step S103, it is possible to be the empirical value obtained by experiment, it is also possible to be a direct setting value.In the present embodiment, preset ratio is set as 55%, if namely meet the number being sampled pixel of fitting function proportion shared in all numbers being sampled pixel more than 55%, then judge that this fitting function can represent the actual pixel value distribution situation being sampled pixel, otherwise judge that this fitting function can not represent the actual pixel value distribution situation being sampled pixel.
Original image for rgb color pattern, if the fitting result on tri-passages of RGB all meets the requirements, so on the fitting function that each Color Channel is corresponding, resampling chooses corresponding pixel value, constitute new relatively overall background image, that is: the position represented according to described fitting function and pixel value relation, generate the background image of described application icon.
The position represented according to described fitting function and pixel value relation, generate described application icon background image implement process, relevant to the sample mode of pixel.Different pixel sample mode, it is achieved the described position represented according to described fitting function and pixel value relation, the detailed process generating the background image of described application icon is different.Provide sampling string pixel and the detailed process of the sampling each self-corresponding generation background image of one-row pixels point separately below.
1) sample mode: sampling string pixel
If described in the original image of application icon the sample mode of sampling pixel points be in described original image sampling string pixel, the then described position represented according to described fitting function and pixel value relation, generate the background image of described application icon, including: travel through each row of described background image, ordinate value corresponding for described row is brought into described fitting function, calculates and obtain the pixel value that described ordinate value is corresponding；Using pixel value corresponding for described ordinate value as the pixel value of each pixel in described row.
2) sample mode: sampling one-row pixels point
If described in the original image of application icon the sample mode of sampling pixel points be in described original image sampling one-row pixels point, the then described position represented according to described fitting function and pixel value relation, generate the background image of described application icon, including: travel through each row of described background image, bring abscissa value corresponding for described row into described fitting function, calculate and obtain the pixel value that described abscissa value is corresponding；Using pixel value corresponding for described abscissa value as the pixel value of each pixel in described row.
In step s 103, if whether the pixel quantity proportion that is sampled that above-mentioned judgement meets fitting function is no more than the judged result of preset ratio, illustrates that matching judges unsuccessfully, then judge that original image is more complicated.For complicated original image, the method that the application provides, do not adopt and generate background image according to fitting function, but adopt the strategy of statistical pixel Distribution value, it may be assumed that according to the pixel value that to be sampled in pixel accounting example maximum, generate the background image of application icon.
In the present embodiment, the pixel value that to be sampled in pixel described in described basis accounting example maximum, generate the background image of application icon, including: it is sampled in pixel the quantity of pixel values at different levels described in calculating；Using pixel values maximum for quantity as the pixel value of each pixel in described background image, generate described background image.Such as: in Fig. 2, the statistical result of pixel value at the same level is that the pixel value accounting example that rgb pixel value is (2,39,68) is the highest, then this color is utilized to generate the bigger background image that a color is single.
Step S104: be synthesized on described background image by described original image, generates described application icon.
After generating new background image, less original image is put in background image, generate the visual effect comparatively harmony and natural of new bigger application icon, this application icon and original image.
In the above-described embodiment, it is provided that a kind of generation method of application icon, corresponding, the application also provides for the generation device of a kind of application icon.The embodiment that this device is the generation method with above-mentioned application icon is corresponding.
Refer to Fig. 5, its be the application application icon generate device embodiment schematic diagram.Owing to device embodiment is substantially similar to embodiment of the method, so describing fairly simple, relevant part illustrates referring to the part of embodiment of the method.Device embodiment described below is merely schematic.
A kind of generation device of the application icon of the present embodiment, including: sampling unit 101, for sampling pixel points in the original image of application icon, obtain each position being sampled pixelCoordinateAnd pixel value；Fitting unit 102, for the pixel value being sampled pixel described in obtaining is fitted, is sampled the pixel value fitting function of pixel described in generation；Whether judging unit 103, be sampled pixel quantity proportion more than preset ratio for what judge to meet described fitting function；If so, the position then represented according to described fitting function and pixel value relation, generate the background image of described application icon；Synthesis unit 104, for described original image is synthesized to described background image, generates described application icon.
Optionally, described judging unit 103 includes:
First generates subelement, if whether the pixel quantity proportion that is sampled meeting described fitting function for described judgement is no more than the judged result of preset ratio, then according to described in pixel value that to be sampled in pixel accounting example maximum, generate the background image of described application icon.
Optionally, described first generation subelement includes:
Computation subunit, for the quantity being sampled in pixel described in calculating pixel values at different levels；
Generate subelement, be used for pixel values maximum for quantity as the pixel value of each pixel in described background image, generate described background image.
Optionally, described fitting unit 102 includes:
Obtain subelement, for being sampled pixel distributed data in each channel components characterizing pixel value described in obtaining；
Matching subelement, for according to the distributed data in each channel components described, being fitted respectively on the various channels calculating, obtain the pixel value fitting function of each passage.
Optionally, described judging unit 103 includes:
Whether first judgment sub-unit, be sampled pixel quantity proportion more than preset ratio for what judge to meet described fitting function；
Described first judgment sub-unit includes:
First computation subunit, for calculate meet described fitting function be sampled pixel quantity；
Described first computation subunit includes:
For judgement, second judgment sub-unit, is sampled whether pixel meets described fitting function；
Described second judgment sub-unit includes:
Second computation subunit, for bringing the position coordinate value being sampled pixel into described fitting function, is sampled the matching pixel value of pixel described in calculating；
Whether 3rd judgment sub-unit, be sampled the distance between the actual pixel value of pixel and the described matching pixel value being sampled pixel less than predeterminable range described in judging；If so, it is sampled pixel described in then judging and meets described fitting function.
Optionally, described judging unit 103 includes:
Second generates subelement, if being whether yes more than the judged result of preset ratio for the described pixel quantity proportion that is sampled judging to meet described fitting function, the position then represented according to described fitting function and pixel value relation, generate the background image of described application icon.
Optionally, described second generation subelement includes:
First traversal subelement, for traveling through each row of described background image, brings ordinate value corresponding for described row described fitting function into, calculates and obtain the pixel value that described ordinate value is corresponding；
First arranges subelement, for using pixel value corresponding for described ordinate value as the pixel value of each pixel in described row.
Optionally, described second generation subelement includes:
Second traversal subelement, for traveling through each row of described background image, brings abscissa value corresponding for described row into described fitting function, calculates and obtain the pixel value that described abscissa value is corresponding；
Second arranges subelement, for using pixel value corresponding for described abscissa value as the pixel value of each pixel in described row.
The embodiment of the present application additionally provides a kind of mobile equipment, and as shown in Figure 6, this moves equipment and includes: display 601；Processor 602；And memorizer 603, described memorizer 603 is configured to store the original image of application icon, when described original image is performed by described processor 602, described application icon is shown at described display 601, described application icon is synthesized by described original image and background image, described background image be according in described original image be sampled pixel pixel value fitting function generate, and described background image be sized larger than described original image.
The application provides a kind of generation method of application icon, device and mobile equipment, it is fitted by the original image to application icon is sampled pixel, generate the pixel value fitting function being sampled pixel, if what meet fitting function is sampled pixel quantity proportion more than preset ratio, the position then represented according to fitting function and pixel value relation, generate the background image of application icon, and original image is synthesized on background image, make to automatically generate application icon, avoid manually repainting application icon, thus reaching to reduce the effect of workload.
Although the present invention is with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art are without departing from the spirit and scope of the present invention; can making possible variation and amendment, therefore protection scope of the present invention should be as the criterion with the scope that the claims in the present invention define.
In a typical configuration, computing equipment includes one or more processor (CPU), input/output interface, network interface and internal memory.
Internal memory potentially includes the forms such as the volatile memory in computer-readable medium, random access memory (RAM) and/or Nonvolatile memory, such as read only memory (ROM) or flash memory (flashRAM).Internal memory is the example of computer-readable medium.
1, computer-readable medium includes permanent and impermanency, removable and non-removable media can by any method or technology to realize information storage.Information can be computer-readable instruction, data structure, the module of program or other data.The example of the storage medium of computer includes, but it is not limited to phase transition internal memory (PRAM), static RAM (SRAM), dynamic random access memory (DRAM), other kinds of random access memory (RAM), read only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc read only memory (CD-ROM), digital versatile disc (DVD) or other optical storage, magnetic cassette tape, the storage of tape magnetic rigid disk or other magnetic storage apparatus or any other non-transmission medium, can be used for the information that storage can be accessed by a computing device.According to defining herein, computer-readable medium does not include non-temporary computer readable media (transitorymedia), such as data signal and the carrier wave of modulation.
2, it will be understood by those skilled in the art that embodiments herein can be provided as method, system or computer program.Therefore, the application can adopt the form of complete hardware embodiment, complete software implementation or the embodiment in conjunction with software and hardware aspect.And, the application can adopt the form at one or more upper computer programs implemented of computer-usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.) wherein including computer usable program code.
Claims (21)
1. the generation method of an application icon, it is characterised in that including:
Sampling pixel points in the original image of application icon, obtains each position coordinates being sampled pixel and pixel value；
The pixel value being sampled pixel described in obtaining is fitted, described in generation, is sampled the pixel value fitting function of pixel；
Judge that whether what meet described fitting function is sampled pixel quantity proportion more than preset ratio；If so, the position then represented according to described fitting function and pixel value relation, generate the background image of described application icon；
Described original image is synthesized on described background image, generates described application icon.
2. the generation method of application icon according to claim 1, it is characterized in that, if whether the pixel quantity proportion that is sampled that described judgement meets described fitting function is no more than the judged result of preset ratio, then according to described in pixel value that to be sampled in pixel accounting example maximum, generate the background image of described application icon.
3. the generation method of application icon according to claim 2, it is characterised in that the pixel value that to be sampled in pixel described in described basis accounting example maximum, generates the background image of described application icon, including:
It is sampled in pixel the quantity of pixel values at different levels described in calculating；
Using pixel values maximum for quantity as the pixel value of each pixel in described background image, generate described background image.
4. the generation method of application icon according to claim 1, it is characterised in that described sampling pixel points in the original image of application icon, in the following way:
Sampling string or one-row pixels point in described original image.
5. the generation method of application icon according to claim 1, it is characterised in that the described pixel value to being sampled pixel described in obtaining is fitted, and is sampled the pixel value fitting function of pixel described in generation, in the following way:
Carry out quadratic polynomial Function Fitting to being sampled pixel, described in generation, be sampled the secondary pixel value fitting function of pixel.
6. the generation method of application icon according to claim 5, it is characterised in that described carry out quadratic polynomial Function Fitting to being sampled pixel, in the following way:
Adopt RANSAC method or method of least square, the described pixel that is sampled is carried out quadratic polynomial Function Fitting.
7. the generation method of application icon according to claim 1, it is characterised in that described be fitted being sampled pixel, is sampled the pixel value fitting function of pixel described in generation, including:
Pixel distributed data in each channel components characterizing pixel value it is sampled described in acquisition；
According to the distributed data in each channel components described, it is fitted respectively on the various channels calculating, generates the pixel value fitting function of each passage.
8. the generation method of application icon according to claim 1, it is characterized in that, what described judgement met described fitting function is sampled pixel quantity proportion whether more than, in the step of preset ratio, adopting following steps to judge to be sampled whether pixel meets described fitting function:
Bring the position coordinate value being sampled pixel into described fitting function, described in calculating, be sampled the matching pixel value of pixel；
Whether the distance between the actual pixel value of pixel and the described matching pixel value being sampled pixel it is sampled less than predeterminable range described in judgement；
If above-mentioned judged result is yes, then it is sampled pixel described in judging and meets described fitting function；
Traversal is sampled pixel, and each pixel that is sampled is performed above-mentioned judgement；After having judged, if the determination result is YES, then the pixel quantity that is sampled meeting described fitting function is added one every time；After having traveled through, what meet described fitting function described in namely obtaining is sampled pixel quantity.
9. the generation method of application icon according to claim 1, it is characterised in that whether what described judgement met described fitting function is sampled pixel quantity proportion more than preset ratio, in the following way:
Judge meet characterize pixel value each passage pixel value fitting function be sampled whether pixel quantity proportion is all higher than preset ratio.
10. the generation method of application icon according to claim 4, it is characterized in that, if described in the original image of application icon the sample mode of sampling pixel points be in described original image sampling string pixel, the then described position represented according to described fitting function and pixel value relation, generate the background image of described application icon, including:
Travel through each row of described background image, ordinate value corresponding for described row is brought into described fitting function, calculate and obtain the pixel value that described ordinate value is corresponding；
Using pixel value corresponding for described ordinate value as the pixel value of each pixel in described row.
11. the generation method of application icon according to claim 4, it is characterized in that, if described in the original image of application icon the sample mode of sampling pixel points be in described original image sampling one-row pixels point, the then described position represented according to described fitting function and pixel value relation, generate the background image of described application icon, including:
Travel through each row of described background image, bring abscissa value corresponding for described row into described fitting function, calculate and obtain the pixel value that described abscissa value is corresponding；
Using pixel value corresponding for described abscissa value as the pixel value of each pixel in described row.
12. the generation method of the application icon according to any one of claim 1-11, it is characterised in that the color mode of described original image includes rgb color pattern.
13. the generation device of an application icon, it is characterised in that including:
Sampling unit, for sampling pixel points in the original image of application icon, obtains each position coordinates being sampled pixel and pixel value；
Fitting unit, for the pixel value being sampled pixel described in obtaining is fitted, is sampled the pixel value fitting function of pixel described in generation；
Whether judging unit, be sampled pixel quantity proportion more than preset ratio for what judge to meet described fitting function；If so, the position then represented according to described fitting function and pixel value relation, generate the background image of described application icon；
Synthesis unit, for described original image is synthesized to described background image, generates described application icon.
14. the generation device of application icon according to claim 13, it is characterised in that described judging unit includes:
First generates subelement, if whether the pixel quantity proportion that is sampled meeting described fitting function for described judgement is no more than the judged result of preset ratio, then according to described in pixel value that to be sampled in pixel accounting example maximum, generate the background image of described application icon.
15. the generation device of application icon according to claim 14, it is characterised in that described first generates subelement includes:
Computation subunit, for the quantity being sampled in pixel described in calculating pixel values at different levels；
Generate subelement, be used for pixel values maximum for quantity as the pixel value of each pixel in described background image, generate described background image.
16. the generation device of application icon according to claim 13, it is characterised in that described fitting unit includes:
Obtain subelement, for being sampled pixel distributed data in each channel components characterizing pixel value described in obtaining；
Matching subelement, for according to the distributed data in each channel components described, being fitted respectively on the various channels calculating, generate the pixel value fitting function of each passage.
17. the generation device of application icon according to claim 13, it is characterised in that described judging unit includes:
Whether first judgment sub-unit, be sampled pixel quantity proportion more than preset ratio for what judge to meet described fitting function；
Described first judgment sub-unit includes:
First computation subunit, for calculate meet described fitting function be sampled pixel quantity；
Described first computation subunit includes:
For judgement, second judgment sub-unit, is sampled whether pixel meets described fitting function；
Described second judgment sub-unit includes:
Second computation subunit, for bringing the position coordinate value being sampled pixel into described fitting function, is sampled the matching pixel value of pixel described in calculating；
Whether 3rd judgment sub-unit, be sampled the distance between the actual pixel value of pixel and the described matching pixel value being sampled pixel less than predeterminable range described in judging；If so, it is sampled pixel described in then judging and meets described fitting function.
18. the generation device of application icon according to claim 13, it is characterised in that described judging unit includes:
Second generates subelement, if being whether yes more than the judged result of preset ratio for the described pixel quantity proportion that is sampled judging to meet described fitting function, the position then represented according to described fitting function and pixel value relation, generate the background image of described application icon.
19. the generation device of application icon according to claim 18, it is characterised in that described second generates subelement includes:
First traversal subelement, for traveling through each row of described background image, brings ordinate value corresponding for described row described fitting function into, calculates and obtain the pixel value that described ordinate value is corresponding；
First arranges subelement, for using pixel value corresponding for described ordinate value as the pixel value of each pixel in described row.
20. the generation device of application icon according to claim 18, it is characterised in that described second generates subelement includes:
Second traversal subelement, for traveling through each row of described background image, brings abscissa value corresponding for described row into described fitting function, calculates and obtain the pixel value that described abscissa value is corresponding；
Second arranges subelement, for using pixel value corresponding for described abscissa value as the pixel value of each pixel in described row.
21. a mobile equipment, it is characterised in that described mobile equipment includes:
Display；
Processor；And
Memorizer, described memorizer is configured to store the original image of application icon, when described original image is performed by described processor, described application icon is shown at described display, described application icon is synthesized by described original image and background image, described background image be according in described original image be sampled pixel pixel value fitting function generate, and described background image be sized larger than described original image.
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| CN201410842996.0A CN105809721B (en) | 2014-12-30 | 2014-12-30 | A kind of generation method of application icon, device and mobile device |
| PCT/CN2015/098254 WO2016107461A1 (en) | 2014-12-30 | 2015-12-22 | Application icon generation method and apparatus, and mobile device |
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| CN201410842996.0A CN105809721B (en) | 2014-12-30 | 2014-12-30 | A kind of generation method of application icon, device and mobile device |
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| WO2016107461A1 (en) | 2016-07-07 |
| CN105809721B (en) | 2019-02-15 |
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