CN104811677A - Display control method and device of mobile terminal - Google Patents
Display control method and device of mobile terminal Download PDFInfo
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- CN104811677A CN104811677A CN201510266210.XA CN201510266210A CN104811677A CN 104811677 A CN104811677 A CN 104811677A CN 201510266210 A CN201510266210 A CN 201510266210A CN 104811677 A CN104811677 A CN 104811677A
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Abstract
The invention is applicable to the technical field of mobile terminals, and provides a display control method and a display control device of a mobile terminal. The method comprises the following steps of acquiring all the layers of an image to be displayed; dividing all the layers into layers in a YUV (luminance and chrominance) format and layers in an RGB (red, green, blue) format; carrying out enhancement processing on the layers in the YUV format; synthesizing the layers in the RGB format and the processed layers in the YUV format into a new image, and displaying the new image. According to the display control method and the display control device of the mobile terminal, by the way that the enhancement processing is not carried out on the layers in the RGB format while the enhancement processing is carried out on the layers in the YUV format in the image to be displayed, the display effects of a preview interface, an album display interface, a video interface and the like of a camera are improved under the premise that a user interface is prevented from distorting or a character is prevented from generating a dentate edge, and the flexibility of the display control of the mobile terminal is improved.
Description
Technical field
The invention belongs to technical field of mobile terminals, particularly relate to display control method and the device of mobile terminal.
Background technology
Existing mobile terminal is after adjusting the parameter of display screen, and the data that will show directly are exported to display screen and shown, and display effect is fixing.The display effect of existing mobile terminal depends critically upon the quality of display screen, and the flexibility of display and control is poor.
Summary of the invention
Given this, embodiments provide a kind of display control method and device of mobile terminal, with the problem that the flexibility of the display and control solving existing mobile terminal is poor.
On the one hand, embodiments provide a kind of display control method of mobile terminal, comprising:
Obtain the All Layers of image to be shown;
Described All Layers is divided into the layer of yuv format and the layer of rgb format;
Enhancing process is carried out to the layer of described yuv format;
The layer of the described yuv format after the layer of described rgb format and process is synthesized new image, and shows described new image.
Second aspect, embodiments provides a kind of display control unit of mobile terminal, comprising:
Layer acquiring unit, for obtaining the All Layers of image to be shown;
Format classification unit, for being divided into the layer of yuv format and the layer of rgb format by described All Layers;
Strengthen processing unit, for carrying out enhancing process to the layer of described yuv format;
Synthesis and display unit, for the layer of the described yuv format after the layer of described rgb format and process is synthesized new image, and show described new image.
The beneficial effect that the embodiment of the present invention compared with prior art exists is: the embodiment of the present invention is by classifying the All Layers of image to be shown, obtain the layer of yuv format and the layer of rgb format, enhancing process is carried out to the layer of yuv format, the layer of the yuv format after the layer of rgb format and process is synthesized new image, while the layer of yuv format being carried out to strengthen process, enhancing process is not carried out to the layer of rgb format thus, thus under avoiding user interface distortion or character to occur the prerequisite of jagged edge, improve camera preview interface, the display effect of photograph album display interface and video clip etc., improve the flexibility of the display and control of mobile terminal.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the realization flow figure of the display control method of the mobile terminal that the embodiment of the present invention provides;
Fig. 2 is the specific implementation flow chart of the display control method step S103 of the mobile terminal that the embodiment of the present invention provides;
Fig. 3 be in the display control method of the mobile terminal that the embodiment of the present invention provides when the cumulative frequency of the first brightness section be greater than the first preset value, the cumulative frequency of the second brightness section be greater than the second preset value time, to the schematic diagram meeting the first brightness value that is pre-conditioned and the second pre-conditioned pixel and adjust;
Fig. 4 be in the display control method of the mobile terminal that the embodiment of the present invention provides when the cumulative frequency of the first brightness section be greater than the first preset value, the cumulative frequency of the second brightness section be greater than the second preset value time, the curve synoptic diagram of brightness value after the brightness value before adjustment and adjustment;
Fig. 5 be in the display control method of the mobile terminal that the embodiment of the present invention provides when the cumulative frequency of the 3rd brightness section be greater than the first preset value, the cumulative frequency of the 4th brightness section be greater than the second preset value time, to the schematic diagram that the brightness value meeting the 3rd pre-conditioned pixel adjusts;
Fig. 6 be in the display control method of the mobile terminal that the embodiment of the present invention provides when the cumulative frequency of the 3rd brightness section be greater than the first preset value, the cumulative frequency of the 4th brightness section be greater than the second preset value time, the curve synoptic diagram of brightness value after the brightness value before adjustment and adjustment;
Fig. 7 be in the display control method of the mobile terminal that the embodiment of the present invention provides when the cumulative frequency of the 5th brightness section be greater than the first preset value, the cumulative frequency of the 6th brightness section be greater than the second preset value time, to the schematic diagram that the brightness value meeting the 4th pre-conditioned pixel adjusts;
Fig. 8 be in the display control method of the mobile terminal that the embodiment of the present invention provides when the cumulative frequency of the 5th brightness section be greater than the first preset value, the cumulative frequency of the 6th brightness section be greater than the second preset value time, the curve synoptic diagram of brightness value after the brightness value before adjustment and adjustment;
Fig. 9 is the specific implementation flow chart of the display control method step S103 of the mobile terminal that another embodiment of the present invention provides;
Figure 10 is the specific implementation flow chart of the display control method step S103 of the mobile terminal that another embodiment of the present invention provides;
Figure 11 is the specific implementation flow chart of the display control method step S103 of the mobile terminal that another embodiment of the present invention provides;
Figure 12 is the structured flowchart of the display control unit of the mobile terminal that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 shows the realization flow figure of the display control method of the mobile terminal that the embodiment of the present invention provides, and details are as follows:
In step S101, obtain the All Layers of image to be shown.
The mobile terminal of the embodiment of the present invention can be mobile phone, panel computer or PDA (Personal DigitalAssistant, personal digital assistant) etc., does not limit at this.
In embodiments of the present invention, the form of the layer of image to be shown may be yuv format or rgb format.Wherein, the Y value of yuv format represents lightness (Luminance, Luma), and U value and V value represent colourity and concentration (Chrominance, Chroma) jointly.R value in rgb format, G value and B value represent the color value of red, green, blue three passages respectively.
In step s 102, All Layers is divided into the layer of yuv format and the layer of rgb format.
The layer of rgb format mainly comprises user interface (User Interface) and character text interface etc., and the layer of yuv format mainly comprises camera preview interface, photograph album display interface and video clip etc.For the layer of the rgb formats such as user interface and character text interface, if carry out the enhancing process of display effect, then easily make interface distortion originally, or make character occur jagged edge.Therefore, in embodiments of the present invention, enhancing process is not carried out to the layer of rgb format.
In step s 103, enhancing process is carried out to the layer of yuv format.
For the layer of the yuv formats such as camera preview interface, photograph album display interface and video clip, we wish that the details of layer is more abundant, color is more bright-coloured, and overall picture is penetrating, with distinct contrast.Therefore, in embodiments of the present invention, enhancing process is carried out to the layer of yuv format.
In step S104, the layer of the yuv format after the layer of rgb format and process is synthesized new image, and shows new image.
As one embodiment of the present of invention, by GPU (Graphics Processing Unit, image processor) layer of the yuv format after the layer of rgb format and process is synthesized new image, export new image to display screen and show.
Fig. 2 shows the specific implementation flow chart of the display control method step S103 of the mobile terminal that the embodiment of the present invention provides, with reference to Fig. 2:
In step s 201, the brightness value of each pixel of the layer of yuv format is obtained;
In step S202, the total pixel number of the pixel count corresponding according to each brightness value and the layer of yuv format determines the frequency of each brightness value;
In step S203, according to the cumulative frequency in the frequency determination predetermined luminance interval of each brightness value;
In step S204, when the cumulative frequency in predetermined luminance interval is greater than preset value, the brightness value meeting pre-conditioned pixel is adjusted.
In embodiments of the present invention, the span of brightness value is 0 to 255.According to the brightness value of each pixel, the pixel count that in the layer of this yuv format, each brightness value is corresponding can be counted.The total pixel number of the pixel count corresponding according to each brightness value and the layer of this yuv format, can calculate the frequency of each brightness value.According to the frequency of each brightness value, the cumulative frequency of each brightness section can be determined.
As one embodiment of the present of invention, the cumulative frequency in the described frequency determination predetermined luminance interval according to each brightness value comprises: determine the cumulative frequency of the first brightness section and the cumulative frequency of the second brightness section according to the frequency of each brightness value.Wherein, the second brightness section is the subinterval of the first brightness section.When the described cumulative frequency when predetermined luminance interval is greater than preset value, carrying out adjustment to the brightness value meeting pre-conditioned pixel to comprise: when the cumulative frequency of the first brightness section is greater than the first preset value and the cumulative frequency of the second brightness section is greater than the second preset value, adjusting meeting the first brightness value that is pre-conditioned and the second pre-conditioned pixel.Wherein, meet the first pre-conditioned pixel and refer to brightness value and be greater than the 3rd preset value and be less than the 4th preset value, and the brightness value of 4 pixels up and down of this pixel is all greater than the pixel of the 3rd preset value; Meet the second pre-conditioned pixel to refer to brightness value and be greater than the 5th preset value and be less than the 3rd preset value, and the brightness value of 4 pixels up and down of this pixel is all less than the pixel of the 3rd preset value.Wherein, carry out adjustment comprise meeting the first brightness value that is pre-conditioned and the second pre-conditioned pixel: the brightness value meeting the first pre-conditioned pixel is increased by the 6th preset value, the brightness value meeting the second pre-conditioned pixel is reduced the 7th preset value.
Such as, the first brightness section is [96,159], and the second brightness section is [112,143], the first preset value is the 90%, second preset value be the 80%, three preset value is 128,4th preset value is the 144, five preset value be the 112, six preset value is 16, and the 7th preset value is 12.When the first brightness section [96,159] cumulative frequency is greater than 90%, and the second brightness section is [112,143] when cumulative frequency is greater than 80%, if the brightness value of a certain pixel is greater than 128 and is less than 144, and the brightness value of 4 pixels up and down of this pixel is all greater than 128, then the brightness value of this pixel is increased by 16; If the brightness value of a certain pixel is greater than 112 and is less than 128, and the brightness value of 4 pixels up and down of this pixel is all less than 128, then the brightness value of this pixel is reduced 12.
Fig. 3 show in the display control method of the mobile terminal that the embodiment of the present invention provides when the cumulative frequency of the first brightness section be greater than the first preset value, the cumulative frequency of the second brightness section be greater than the second preset value time, to the schematic diagram meeting the first brightness value that is pre-conditioned and the second pre-conditioned pixel and adjust.In Fig. 3, transverse axis represents brightness value, and the longitudinal axis represents frequency, and shadow region is the region that frequency corresponding by each brightness value before adjustment and transverse axis are encircled a city.As shown in Figure 3, when Luminance Distribution concentrates on zone line, Luminance Distribution is expanded toward both sides, to strengthen the contrast of image.
Fig. 4 show in the display control method of the mobile terminal that the embodiment of the present invention provides when the cumulative frequency of the first brightness section be greater than the first preset value, the cumulative frequency of the second brightness section be greater than the second preset value time, the curve synoptic diagram of brightness value after the brightness value before adjustment and adjustment.With reference to Fig. 4, transverse axis represents the brightness value before adjustment, and the longitudinal axis represents the brightness value after adjustment.In the diagram, the slope of dotted line is 1, represents not to the situation that brightness value adjusts.In the diagram, when Luminance Distribution concentrates on zone line, Luminance Distribution is expanded toward both sides.
As an alternative embodiment of the invention, the cumulative frequency in the described frequency determination predetermined luminance interval according to each brightness value comprises: determine the cumulative frequency of the 3rd brightness section and the cumulative frequency of the 4th brightness section according to the frequency of each brightness value.Wherein, the 4th brightness section is the subinterval of the 3rd brightness section.When the described cumulative frequency when predetermined luminance interval is greater than preset value, carry out adjustment to the brightness value meeting pre-conditioned pixel to comprise: when the cumulative frequency of the 3rd brightness section is greater than the first preset value and the cumulative frequency of the 4th brightness section is greater than the second preset value, the brightness value meeting the 3rd pre-conditioned pixel is adjusted.Wherein, meet the 3rd pre-conditioned pixel and refer to brightness value and be greater than the 8th preset value and be less than the 9th preset value, and the brightness value of 4 pixels up and down of this pixel is all greater than the pixel of the 8th preset value.Wherein, carry out adjustment to the brightness value meeting pre-conditioned pixel to comprise: the brightness value meeting the 3rd pre-conditioned pixel is reduced the tenth preset value.
Such as, the 3rd brightness section is [160,255], and the 4th brightness section is [192,255], and the first preset value is the 90%, second preset value be the 80%, eight preset value is 192, and the 9th preset value is the 224, ten preset value is 16.When the 3rd brightness section is [160,255] cumulative frequency is greater than 90%, and the 4th brightness section is [192,255] when cumulative frequency is greater than 80%, if the brightness value of a certain pixel is greater than 192 and is less than 224, and the brightness value of 4 pixels up and down of this pixel is all greater than 192, then the brightness value of this pixel is reduced 16.
Fig. 5 show in the display control method of the mobile terminal that the embodiment of the present invention provides when the cumulative frequency of the 3rd brightness section be greater than the first preset value, the cumulative frequency of the 4th brightness section be greater than the second preset value time, to the schematic diagram that the brightness value meeting the 3rd pre-conditioned pixel adjusts.In Fig. 5, transverse axis represents brightness value, and the longitudinal axis represents frequency, and shadow region is the region that frequency corresponding by each brightness value before adjustment and transverse axis are encircled a city.As shown in Figure 5, when Luminance Distribution concentrates on high-brightness region, by Luminance Distribution toward middle expansion, to strengthen the contrast of image.
Fig. 6 show in the display control method of the mobile terminal that the embodiment of the present invention provides when the cumulative frequency of the 3rd brightness section be greater than the first preset value, the cumulative frequency of the 4th brightness section be greater than the second preset value time, the curve synoptic diagram of brightness value after the brightness value before adjustment and adjustment.With reference to Fig. 6, transverse axis represents the brightness value before adjustment, and the longitudinal axis represents the brightness value after adjustment.In figure 6, the slope of dotted line is 1, represents not to the situation that brightness value adjusts.In figure 6, when Luminance Distribution concentrates on high-brightness region, by Luminance Distribution toward middle expansion.
As an alternative embodiment of the invention, the cumulative frequency in the described frequency determination predetermined luminance interval according to each brightness value comprises: determine the cumulative frequency of the 5th brightness section and the cumulative frequency of the 6th brightness section according to the frequency of each brightness value.Wherein, the 6th brightness section is the subinterval of the 5th brightness section.When the described cumulative frequency when predetermined luminance interval is greater than preset value, carry out adjustment to the brightness value meeting pre-conditioned pixel to comprise: when the cumulative frequency of the 5th brightness section is greater than the first preset value and the cumulative frequency of the 6th brightness section is greater than the second preset value, the brightness value meeting the 4th pre-conditioned pixel is adjusted.Wherein, meet the 4th pre-conditioned pixel and refer to brightness value and be greater than the 11 preset value and be less than the 12 preset value, and the brightness value of 4 pixels up and down of this pixel is all less than the pixel of the 12 preset value.Wherein, carry out adjustment to the brightness value meeting pre-conditioned pixel to comprise: the brightness value meeting the 4th pre-conditioned pixel is increased by the 13 preset value.
Such as, the 5th brightness section is [32,95], and the 6th brightness section is [48,80], and the first preset value is the 90%, second preset value be the 80%, the 11 preset value is 64, and the 12 preset value is 96, and the 13 preset value is 16.When the 5th brightness section is [32,95] cumulative frequency is greater than 90%, and the 6th brightness section is [48,80] when cumulative frequency is greater than 80%, if the brightness value of a certain pixel is greater than 64 and is less than 96, and the brightness value of 4 pixels up and down of this pixel is all less than 96, then the brightness value of this pixel is increased by 16.
Fig. 7 show in the display control method of the mobile terminal that the embodiment of the present invention provides when the cumulative frequency of the 5th brightness section be greater than the first preset value, the cumulative frequency of the 6th brightness section be greater than the second preset value time, to the schematic diagram that the brightness value meeting the 4th pre-conditioned pixel adjusts.In Fig. 7, transverse axis represents brightness value, and the longitudinal axis represents frequency, and shadow region is the region that frequency corresponding by each brightness value before adjustment and transverse axis are encircled a city.As shown in Figure 7, when Luminance Distribution concentrates on low brightness area, by Luminance Distribution toward middle expansion, to strengthen the contrast of image.
Fig. 8 show in the display control method of the mobile terminal that the embodiment of the present invention provides when the cumulative frequency of the 5th brightness section be greater than the first preset value, the cumulative frequency of the 6th brightness section be greater than the second preset value time, the curve synoptic diagram of brightness value after the brightness value before adjustment and adjustment.With reference to Fig. 8, transverse axis represents the brightness value before adjustment, and the longitudinal axis represents the brightness value after adjustment.In fig. 8, the slope of dotted line is 1, represents not to the situation that brightness value adjusts.In fig. 8, when Luminance Distribution concentrates on low brightness area, by Luminance Distribution toward middle expansion.
Fig. 9 shows the specific implementation flow chart of the display control method step S103 of the mobile terminal that another embodiment of the present invention provides, with reference to Fig. 9:
In step S901, the initial Y value of each pixel of the layer of yuv format, initial U value and initial V value are converted to the H value in hsv color space, S value and V value;
In step S902, the S value of each pixel is multiplied by the first coefficient, obtains the S value after processing;
In step S903, the S value after H value, V value and process is changed, obtains new Y value, new U value and new V value.
In hsv color space, H value represents form and aspect (Hue), and S value represents saturation (Saturation), and V value represents lightness (Value).In embodiments of the present invention, the primary data of the layer of yuv format is transformed into hsv color space, in hsv color space, the S value of each pixel is adjusted, thus increase the saturation of layer.Wherein, the first coefficient can be 1.05, does not limit at this.
Figure 10 shows the specific implementation flow chart of the display control method step S103 of the mobile terminal that another embodiment of the present invention provides, with reference to Figure 10:
In step S1001, obtain the priming color value of each pixel of the layer of yuv format;
In step S1002, determine according to the map listing prestored the new color value that the priming color value of each pixel is corresponding;
In the step s 1003, the color value of each pixel is adjusted to new color value.
As one embodiment of the present of invention, the initial Y value of each pixel of the layer of yuv format, initial U value and initial V value are converted to the H value in hsv color space, S value and V value, obtain the H value in described hsv color space.Determine according to the map listing prestored the new H value that the H value of each pixel is corresponding, and the hue value of each pixel is adjusted to new H value.
Figure 11 shows the specific implementation flow chart of the display control method step S103 of the mobile terminal that another embodiment of the present invention provides, with reference to Figure 11:
In step S1101, the spatial domain data of the layer of yuv format is carried out Fourier transform, obtain the frequency domain data of the layer of yuv format;
In step S1102, by resolution filter, filtering is carried out to frequency domain data, obtain high fdrequency component and low frequency component;
In step S1103, high fdrequency component is multiplied by the second coefficient, obtains the high fdrequency component after processing;
In step S1104, by composite filter, the high fdrequency component after low frequency component and process is synthesized, obtain new frequency domain data;
In step S1105, frequency domain data is carried out inverse Fourier transform, obtain the spatial domain data of the layer of the yuv format after processing.
In embodiments of the present invention, resolution filter comprises high pass filter and low pass filter, and composite filter comprises high ferro filter and low pass filter.The spatial domain data of the layer of yuv format is transformed to frequency domain data, and by resolution filter, filtering is carried out to frequency domain data, obtain high fdrequency component and low frequency component.The speed of signal intensity is relevant with the frequency of frequency domain, and high fdrequency component represents noise, edge or jump part in layer, and low frequency component represents background area in layer and slow change part.Consider from frequency domain, image blurring essence is high fdrequency component decay, therefore, processes high fdrequency component, to improve the acutance of layer, makes the details of layer abundanter.Wherein, the second coefficient can be 1.05, does not limit at this.
Should be understood that in embodiments of the present invention, the size of the sequence number of above-mentioned each process does not also mean that the priority of execution sequence, and the execution sequence of each process should be determined with its function and internal logic, and should not form any restriction to the implementation process of the embodiment of the present invention.
The embodiment of the present invention is by classifying the All Layers of image to be shown, obtain the layer of yuv format and the layer of rgb format, enhancing process is carried out to the layer of yuv format, the layer of the yuv format after the layer of rgb format and process is synthesized new image, while the layer of yuv format being carried out to strengthen process, enhancing process is not carried out to the layer of rgb format thus, thus under avoiding user interface distortion or character to occur the prerequisite of jagged edge, improve camera preview interface, the display effect of photograph album display interface and video clip etc., improve the flexibility of the display and control of mobile terminal.
Figure 12 shows the structured flowchart of the display control unit of the mobile terminal that the embodiment of the present invention provides, and this device may be used for the display control method of the mobile terminal shown in service chart 1 to Figure 11.This device can be mobile terminal, also can for being built in the device in mobile terminal.For convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
With reference to Figure 12, this device comprises:
Layer acquiring unit 121, for obtaining the All Layers of image to be shown;
Format classification unit 122, for being divided into the layer of yuv format and the layer of rgb format by described All Layers;
Strengthen processing unit 123, for carrying out enhancing process to the layer of described yuv format;
Synthesis and display unit 124, for the layer of the described yuv format after the layer of described rgb format and process is synthesized new image, and show described new image.
Preferably, described enhancing processing unit 123 comprises the first enhancing process subelement 1231, described first strengthen process subelement 1231 specifically for:
Obtain the brightness value of each pixel of the layer of described yuv format;
The total pixel number of the layer of the pixel count corresponding according to each brightness value and described yuv format determines the frequency of each brightness value;
According to the cumulative frequency in the frequency determination predetermined luminance interval of each brightness value;
When the cumulative frequency in predetermined luminance interval is greater than preset value, the brightness value meeting pre-conditioned pixel is adjusted.
Preferably, described enhancing processing unit 123 also comprises the second enhancing process subelement 1232, described second strengthen process subelement 1232 specifically for:
The initial Y value of each pixel of the layer of described yuv format, initial U value and initial V value are converted to the H value in hsv color space, S value and V value;
The S value of each pixel is multiplied by the first coefficient, obtains the S value after processing;
S value after H value, V value and process is changed, obtains new Y value, new U value and new V value.
Preferably, described enhancing processing unit 123 also comprise the 3rd strengthen process subelement 1233, described 3rd strengthen process subelement 1233 specifically for:
Obtain the priming color value of each pixel of the layer of described yuv format;
The new color value that the priming color value of each pixel is corresponding is determined according to the map listing prestored;
The color value of each pixel is adjusted to described new color value.
Preferably, described enhancing processing unit 123 also comprise the 4th strengthen process subelement 1234, described 4th strengthen process subelement 1234 specifically for:
The spatial domain data of the layer of described yuv format is carried out Fourier transform, obtains the frequency domain data of the layer of described yuv format;
By resolution filter, filtering is carried out to described frequency domain data, obtain high fdrequency component and low frequency component;
Described high fdrequency component is multiplied by the second coefficient, obtains the high fdrequency component after processing;
By composite filter, the high fdrequency component after described low frequency component and described process is synthesized, obtain new frequency domain data;
Described frequency domain data is carried out inverse Fourier transform, obtains the spatial domain data of the layer of the described yuv format after processing.
The embodiment of the present invention is by classifying the All Layers of image to be shown, obtain the layer of yuv format and the layer of rgb format, enhancing process is carried out to the layer of yuv format, the layer of the yuv format after the layer of rgb format and process is synthesized new image, while the layer of yuv format being carried out to strengthen process, enhancing process is not carried out to the layer of rgb format thus, thus under avoiding user interface distortion or character to occur the prerequisite of jagged edge, improve camera preview interface, the display effect of photograph album display interface and video clip etc., improve the flexibility of the display and control of mobile terminal.
Those of ordinary skill in the art can recognize, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the device of foregoing description and the specific works process of unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that disclosed apparatus and method can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.
If described function using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part of the part that technical scheme of the present invention contributes to prior art in essence in other words or this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various can be program code stored medium.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (10)
1. a display control method for mobile terminal, is characterized in that, comprising:
Obtain the All Layers of image to be shown;
Described All Layers is divided into the layer of yuv format and the layer of rgb format;
Enhancing process is carried out to the layer of described yuv format;
The layer of the described yuv format after the layer of described rgb format and process is synthesized new image, and shows described new image.
2. the method for claim 1, is characterized in that, the described layer to described yuv format is carried out enhancing process and comprised:
Obtain the brightness value of each pixel of the layer of described yuv format;
The total pixel number of the layer of the pixel count corresponding according to each brightness value and described yuv format determines the frequency of each brightness value;
According to the cumulative frequency in the frequency determination predetermined luminance interval of each brightness value;
When the cumulative frequency in predetermined luminance interval is greater than preset value, the brightness value meeting pre-conditioned pixel is adjusted.
3. the method for claim 1, is characterized in that, the described layer to described yuv format is carried out enhancing process and comprised:
The initial Y value of each pixel of the layer of described yuv format, initial U value and initial V value are converted to the H value in hsv color space, S value and V value;
The S value of each pixel is multiplied by the first coefficient, obtains the S value after processing;
S value after H value, V value and process is changed, obtains new Y value, new U value and new V value.
4. the method for claim 1, is characterized in that, the described layer to described yuv format is carried out enhancing process and comprised:
Obtain the priming color value of each pixel of the layer of described yuv format;
The new color value that the priming color value of each pixel is corresponding is determined according to the map listing prestored;
The color value of each pixel is adjusted to described new color value.
5. the method for claim 1, is characterized in that, the described layer to described yuv format is carried out enhancing process and comprised:
The spatial domain data of the layer of described yuv format is carried out Fourier transform, obtains the frequency domain data of the layer of described yuv format;
By resolution filter, filtering is carried out to described frequency domain data, obtain high fdrequency component and low frequency component;
Described high fdrequency component is multiplied by the second coefficient, obtains the high fdrequency component after processing;
By composite filter, the high fdrequency component after described low frequency component and described process is synthesized, obtain new frequency domain data;
Described frequency domain data is carried out inverse Fourier transform, obtains the spatial domain data of the layer of the described yuv format after processing.
6. a display control unit for mobile terminal, is characterized in that, comprising:
Layer acquiring unit, for obtaining the All Layers of image to be shown;
Format classification unit, for being divided into the layer of yuv format and the layer of rgb format by described All Layers;
Strengthen processing unit, for carrying out enhancing process to the layer of described yuv format;
Synthesis and display unit, for the layer of the described yuv format after the layer of described rgb format and process is synthesized new image, and show described new image.
7. device as claimed in claim 6, it is characterized in that, described enhancing processing unit comprises the first enhancing process subelement, described first strengthen process subelement specifically for:
Obtain the brightness value of each pixel of the layer of described yuv format;
The total pixel number of the layer of the pixel count corresponding according to each brightness value and described yuv format determines the frequency of each brightness value;
According to the cumulative frequency in the frequency determination predetermined luminance interval of each brightness value;
When the cumulative frequency in predetermined luminance interval is greater than preset value, the brightness value meeting pre-conditioned pixel is adjusted.
8. device as claimed in claim 6, it is characterized in that, described enhancing processing unit also comprises the second enhancing process subelement, described second strengthen process subelement specifically for:
The initial Y value of each pixel of the layer of described yuv format, initial U value and initial V value are converted to the H value in hsv color space, S value and V value;
The S value of each pixel is multiplied by the first coefficient, obtains the S value after processing;
S value after H value, V value and process is changed, obtains new Y value, new U value and new V value.
9. device as claimed in claim 6, is characterized in that, described enhancing processing unit also comprises the 3rd and strengthens process subelement, the described 3rd strengthen process subelement specifically for:
Obtain the priming color value of each pixel of the layer of described yuv format;
The new color value that the priming color value of each pixel is corresponding is determined according to the map listing prestored;
The color value of each pixel is adjusted to described new color value.
10. device as claimed in claim 6, is characterized in that, described enhancing processing unit also comprises the 4th and strengthens process subelement, the described 4th strengthen process subelement specifically for:
The spatial domain data of the layer of described yuv format is carried out Fourier transform, obtains the frequency domain data of the layer of described yuv format;
By resolution filter, filtering is carried out to described frequency domain data, obtain high fdrequency component and low frequency component;
Described high fdrequency component is multiplied by the second coefficient, obtains the high fdrequency component after processing;
By composite filter, the high fdrequency component after described low frequency component and described process is synthesized, obtain new frequency domain data;
Described frequency domain data is carried out inverse Fourier transform, obtains the spatial domain data of the layer of the described yuv format after processing.
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