CN110299123B - Adaptive resolution display method for audio processor - Google Patents
Adaptive resolution display method for audio processor Download PDFInfo
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- CN110299123B CN110299123B CN201910641946.9A CN201910641946A CN110299123B CN 110299123 B CN110299123 B CN 110299123B CN 201910641946 A CN201910641946 A CN 201910641946A CN 110299123 B CN110299123 B CN 110299123B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/391—Resolution modifying circuits, e.g. variable screen formats
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/045—Zooming at least part of an image, i.e. enlarging it or shrinking it
Abstract
The embodiment of the invention discloses a self-adaptive resolution display method of an audio processor, which comprises the following steps: setting the original display resolution of the audio processor and the current display resolution of the audio processor; acquiring the density of original screen pixel points of an audio processor and the preset display size of the display object under the condition of the original display resolution; calculating the density of current screen pixel points of an audio processor and the preset display size of the display object under the condition of the current display resolution; calculating the ratio of the original screen pixel density to the current screen pixel density and the ratio of the original display resolution to the current display resolution of the audio processor; and according to the ratio obtained in the step, the audio processor performs difference calculation on the image with the original display resolution, and outputs the adjusted image with the original display resolution of the audio processor to the current display resolution. The invention can be completely and proportionally coordinated, and can be displayed on the current display device with the best visual effect.
Description
Technical Field
The invention relates to the technical field of display equipment, in particular to a self-adaptive resolution display method of an audio processor.
Background
The parameters of the display devices of various existing electronic devices are very different, for example, when different electronic devices such as a smart phone, a tablet computer, a television, a computer and the like display the same display object, because hardware manufacturers of different screens may be different, the parameters of the pixel format, the resolution, the pixel size and the like displayed on the screens are also different, and if the display objects are directly displayed on various screens in the same display mode, the display may be incomplete or inconsistent in display scale.
Therefore, the prior art proposes that the screen resolution of the target display device is compared with the preset screen resolution to obtain a ratio, and then the display size of the display object under the preset screen resolution is multiplied by the ratio to obtain the display pixel size of the target display device, and the display elements are displayed on the target display device according to the display size; by adopting the method, the physical size of the display object is enlarged or reduced along with the physical size of the display device, and when the physical size of the target display device is too large different from the preset physical size of the equipment, the display object may be too large or too small on the target display device, which affects the experience effect of the user. Meanwhile, the prior art also provides a method for comparing the screen pixel density with the preset screen pixel density, and the same problem as the processing method exists, which also causes the display object to be too large or too small on the target display device, thereby affecting the user experience.
Accordingly, there is a need for improvement in the art.
Disclosure of Invention
The embodiment of the invention aims to solve the technical problem that: an adaptive resolution display method for an audio processor is provided to solve the problems of the prior art.
Based on one aspect of the embodiment of the invention, the invention discloses a self-adaptive resolution display method of an audio processor, which comprises the following steps:
setting the original display resolution of the audio processor and the current display resolution of the audio processor;
acquiring the density of original screen pixel points of an audio processor and the preset display size of the display object under the condition of the original display resolution;
calculating the density of current screen pixel points of an audio processor and the preset display size of the display object under the condition of the current display resolution;
calculating the ratio of the original screen pixel density to the current screen pixel density and the ratio of the original display resolution to the current display resolution of the audio processor;
and according to the ratio obtained in the step, the audio processor performs difference calculation on the image with the original display resolution, and outputs the adjusted image with the original display resolution of the audio processor to the current display resolution.
In another embodiment of the adaptive resolution display method for an audio processor according to the present invention, the setting of the original display resolution of the audio processor and the current display resolution of the audio processor includes:
setting an original display resolution of an audio processor, wherein the original display resolution comprises an original resolution of an image of the audio processor and an original screen pixel density;
and viewing the display resolution of the current audio processor, wherein the current display resolution comprises the current resolution of the image of the audio processor and the current screen pixel density.
In another embodiment of the adaptive resolution display method based on the audio processor of the present invention, the obtaining of the original screen pixel density of the audio processor and the preset display size of the display object under the original display resolution condition includes:
acquiring the original display resolution and the original screen pixel density of an audio processor;
and calculating the display size of the original display resolution under the condition of the density of the pixels of the original screen, wherein the display size is the ratio of the display resolution to the density of the pixels of the screen.
In another embodiment of the adaptive resolution display method based on the audio processor of the present invention, the calculating the current screen pixel density of the audio processor and the preset display size of the display object under the current display resolution condition includes:
acquiring the current display resolution and the current screen pixel density of an audio processor;
and calculating the display size of the current display resolution under the condition of the current screen pixel density, wherein the display size is the ratio of the display resolution to the screen pixel density.
In another embodiment of the adaptive resolution display method based on the audio processor of the present invention, the calculating a ratio of an original screen pixel density to a current screen pixel density and a ratio of an original display resolution to a current display resolution of the audio processor includes:
calculating the ratio of the density of the original screen pixel points to the density of the current screen pixel points to obtain a ratio Q1;
calculating the ratio of the original display resolution to the current display resolution to obtain a ratio Q2;
the resolution conversion ratio Q1 × Q2 of the image is calculated.
In another embodiment of the adaptive resolution display method based on the audio processor of the present invention, the audio processor performing a difference calculation on the image with the original display resolution, and outputting the adjusted image with the original display resolution of the audio processor to the current display resolution includes:
performing transform calculation on the original display resolution of the audio processor according to a resolution change ratio Q1Q 2;
and outputting the converted original display resolution image to the display equipment with the current display resolution.
In another embodiment of the adaptive resolution display method for an audio processor according to the present invention, the method further includes:
determining a scaling factor of an original display resolution of the audio processor in a row direction and a column direction of a current display resolution;
optimizing the scaling factors of the scaling factors in the row direction and the column direction to obtain optimized row direction scaling factors and optimized column direction factors;
and outputting the original display resolution of the audio processor to the display equipment with the current display resolution according to the optimized row direction scaling factor and the optimized column direction scaling factor.
In another embodiment of the adaptive resolution display method based on the audio processor of the present invention, the optimizing the scaling factors of the scaling factors in the row and column directions to obtain the optimized row-direction scaling factor and the optimized column-direction factor includes:
found in the original display resolution image of an audio processor
The four pixel point positions in the vicinity are (I × yf ', j × xf '), (I × 0yf ', (j × 1xf ') +1), ((I × 2yf ') +1, j × 3xf '), ((I × 4yf ') +1, (j × 5xf ') +1), and bilinear interpolation is performed using the pixel values I (I × yf ', j × xf '), I (I × yf ', (j × xf ') +1), I ((I × yf ') +1, j × xf ') +1, and (j × xf ') +1) of the positions of the four pixel points as reference pixel values at the position of the pixel point coordinate (I, j) in the current display resolution image, to obtain bilinear interpolationThe position of a pixel point coordinate (i, j) in an original display resolution image corresponds to the pixel value of a virtual image pixel point in an input image, wherein the initial values of i and j are 1;
let i be 1,2, …, m, j be 1,2, …, n traverse m × n pixel coordinates in the target image, and further obtain the pixel value of the virtual image pixel in the input image corresponding to the pixel coordinate (1,1) position in the image with the original display resolution
The coordinate (m, n) position of the pixel point in the image with the original display resolution corresponds to the pixel value of the virtual image pixel point in the input image
And recording the image with the original display resolution after the zooming processing.
Compared with the prior art, the invention has the following advantages:
the invention provides a self-adaptive resolution display method of an audio processor, which compares the original resolution with the resolution on the current display device and the original screen pixel density with the current screen pixel density, and then calculates the display size of a display object on the current display screen according to the ratio, so that the current display object can be complete and harmonious in proportion, and the display object can be displayed on the current display device with the best visual effect.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
The invention will be more clearly understood from the following detailed description, taken with reference to the accompanying drawings, in which:
FIG. 1 is a flowchart illustrating an adaptive resolution display method for an audio processor according to an embodiment of the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
Fig. 1 is a flowchart of an adaptive resolution display method of an audio processor according to an embodiment of the present invention, and as shown in fig. 1, the adaptive resolution display method of the audio processor includes:
setting the original display resolution of an audio processor and the current display resolution of the audio processor;
20, acquiring the original screen pixel density of an audio processor and the preset display size of the display object under the condition of the original display resolution;
30, calculating the density of current screen pixel points of an audio processor and the preset display size of the display object under the condition of the current display resolution;
40, calculating the ratio of the original screen pixel density to the current screen pixel density and the ratio of the original display resolution to the current display resolution of the audio processor;
and 50, according to the ratio obtained in the step, the audio processor performs difference calculation on the image with the original display resolution, and outputs the adjusted image with the original display resolution of the audio processor to the current display resolution.
The setting of the original display resolution of the audio processor and the current display resolution of the audio processor comprises:
setting an original display resolution of an audio processor, wherein the original display resolution comprises an original resolution of an image of the audio processor and an original screen pixel density;
and viewing the display resolution of the current audio processor, wherein the current display resolution comprises the current resolution of the image of the audio processor and the current screen pixel density.
The obtaining of the original screen pixel density of the audio processor and the preset display size of the display object under the condition of the original display resolution comprises:
acquiring the original display resolution and the original screen pixel density of an audio processor;
and calculating the display size of the original display resolution under the condition of the density of the pixels of the original screen, wherein the display size is the ratio of the display resolution to the density of the pixels of the screen.
The calculating the current screen pixel density of the audio processor and the preset display size of the display object under the current display resolution condition comprises:
acquiring the current display resolution and the current screen pixel density of an audio processor;
and calculating the display size of the current display resolution under the condition of the current screen pixel density, wherein the display size is the ratio of the display resolution to the screen pixel density.
The calculating the ratio of the original screen pixel density to the current screen pixel density and the ratio of the original display resolution to the current display resolution of the audio processor comprises:
calculating the ratio of the density of the original screen pixel points to the density of the current screen pixel points to obtain a ratio Q1;
calculating the ratio of the original display resolution to the current display resolution to obtain a ratio Q2;
the resolution conversion ratio Q1 × Q2 of the image is calculated.
The audio processor performing a difference calculation on the image of the original display resolution and outputting the adjusted image of the original display resolution of the audio processor to the current display resolution includes:
performing transform calculation on the original display resolution of the audio processor according to a resolution change ratio Q1Q 2;
and outputting the converted original display resolution image to the display equipment with the current display resolution.
Further comprising determining a scaling factor of the original display resolution of the audio processor in a row and column direction of the current display resolution;
optimizing the scaling factors of the scaling factors in the row direction and the column direction to obtain optimized row direction scaling factors and optimized column direction factors;
and outputting the original display resolution of the audio processor to the display equipment with the current display resolution according to the optimized row direction scaling factor and the optimized column direction scaling factor.
The optimizing the scaling factors of the scaling factors in the row and column directions to obtain the optimized row-direction scaling factors and the optimized column-direction scaling factors includes:
found in the original display resolution image of an audio processor
The four pixel point positions in the vicinity are (i × yf ', j × xf'), (i × 0yf ', (j × 1 xf') +1), ((i × 2yf ') +1, j × 3 xf'), ((i × 4yf ') +1, (j × 5 xf') +1), carrying out bilinear interpolation by taking pixel values I (I multiplied by f ', j multiplied by f'), I (I multiplied by f ', (j multiplied by f') +1), I ((I multiplied by f ') +1, j multiplied by f'), I ((I multiplied by f ') +1, (j multiplied by f') +1) of the positions of four pixel points as reference pixel values at the position of a pixel point coordinate (I, j) in the current display resolution image to obtain a pixel value of a virtual image pixel point in the input image corresponding to the position of the pixel point coordinate (I, j) in the original display resolution image, wherein the initial values of I and j are 1;
let i be 1,2, …, m, j be 1,2, …, n traverse m × n pixel coordinates in the target image, and further obtain the pixel value of the virtual image pixel in the input image corresponding to the pixel coordinate (1,1) position in the image with the original display resolution
The coordinate (m, n) position of the pixel point in the image with the original display resolution corresponds to the pixel value of the virtual image pixel point in the input image
Is recorded as after zoomingThe original display resolution of the image.
In the present specification, the embodiments are described in a progressive manner, and each embodiment focuses on differences from other embodiments, and the same or similar parts in each embodiment are referred to each other. For the system embodiment, since it basically corresponds to the method embodiment, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. An adaptive resolution display method for an audio processor, comprising:
setting the original display resolution of the audio processor and the current display resolution of the audio processor;
acquiring the density of original screen pixel points of an audio processor and the preset display size of a display object under the condition of the original display resolution;
calculating the density of current screen pixel points of an audio processor and the preset display size of a display object under the condition of the current display resolution;
calculating the ratio of the pixel density of the original screen to the pixel density of the current screen to obtain a ratio Q1, calculating the ratio of the resolution of the original display to the resolution of the current display to obtain a ratio Q2, and calculating the resolution conversion ratio Q1 × Q2 of the image;
according to the ratio obtained in the above steps, the original display resolution of the audio processor is transformed and calculated according to the resolution change ratio Q1Q 2; and outputting the converted original display resolution image to the display equipment with the current display resolution.
2. The adaptive resolution display method of claim 1, wherein the setting of the original display resolution of the audio processor and the current display resolution of the audio processor comprises:
setting an original display resolution of an audio processor, wherein the original display resolution comprises an original resolution of an image of the audio processor and an original screen pixel density;
and viewing the display resolution of the current audio processor, wherein the current display resolution comprises the current resolution of the image of the audio processor and the current screen pixel density.
3. The method of claim 1, wherein the obtaining of the original screen pixel density of the audio processor and the preset display size of the display object at the original display resolution comprises:
acquiring the original display resolution and the original screen pixel density of an audio processor;
and calculating the display size of the original display resolution under the condition of the density of the pixels of the original screen, wherein the display size is the ratio of the display resolution to the density of the pixels of the screen.
4. The method of claim 1, wherein the calculating the current screen pixel density of the audio processor and the preset display size of the display object at the current display resolution comprises:
acquiring the current display resolution and the current screen pixel density of an audio processor;
and calculating the display size of the current display resolution under the condition of the current screen pixel density, wherein the display size is the ratio of the display resolution to the screen pixel density.
5. The adaptive resolution display method of an audio processor according to claim 1, further comprising:
determining a scaling factor of an original display resolution of the audio processor in a row direction and a column direction of a current display resolution;
optimizing the scaling factors of the scaling factors in the row direction and the column direction to obtain optimized row direction scaling factors and optimized column direction factors;
and outputting the original display resolution of the audio processor to the display equipment with the current display resolution according to the optimized row direction scaling factor and the optimized column direction scaling factor.
6. The adaptive resolution display method of claim 5, wherein the optimizing scaling factors of the scaling factors in row and column directions to obtain the optimized scaling factors in row and column directions comprises:
found in the original display resolution image of an audio processor
The four pixel point positions in the vicinity are (i × yf ', j × xf'), (i × 0yf ', (j × 1 xf') +1), ((i × 2yf ') +1, j × 3 xf'), ((i × 4yf ') +1, (j × 5 xf') +1), carrying out bilinear interpolation by taking pixel values I (I multiplied by f ', j multiplied by f'), I (I multiplied by f ', (j multiplied by f') +1), I ((I multiplied by f ') +1, j multiplied by f'), I ((I multiplied by f ') +1, (j multiplied by f') +1) of the positions of four pixel points as reference pixel values at the position of a pixel point coordinate (I, j) in the current display resolution image to obtain a pixel value of a virtual image pixel point in the input image corresponding to the position of the pixel point coordinate (I, j) in the original display resolution image, wherein the initial values of I and j are 1;
let i be 1,2, …, m, j be 1,2, …, n traverse m × n pixel coordinates in the target image, and further obtain the pixel value of the virtual image pixel in the input image corresponding to the pixel coordinate (1,1) position in the image with the original display resolution
The position of the coordinate (m, n) of the pixel point in the image with the original display resolution corresponds to the pixel value of the virtual pixel point in the input image
And recording the image with the original display resolution after the zooming processing.
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