CN114461112A - Image display method and device for screen menu type regulating mode - Google Patents
Image display method and device for screen menu type regulating mode Download PDFInfo
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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
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
- G06F3/0482—Interaction with lists of selectable items, e.g. menus
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- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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Abstract
The invention discloses an image display method and device of a screen menu type adjusting mode, relating to the technical field of image display; the main technical scheme comprises: acquiring a first pixel matrix of an image to be amplified in a screen menu type adjusting mode, wherein the first pixel matrix comprises a pixel value corresponding to each pixel point in the image to be amplified; determining the magnification ratio of an image to be magnified; adding N target pixel point rows and M target pixel point columns in the first pixel matrix according to the amplification ratio and the pixel points included in the first pixel matrix to form a second pixel matrix; transmitting the pixel points included in the second pixel matrix to a first-in first-out buffer in a pixel point queue mode; and when the pixel points exist in the first-in first-out buffer, updating the pixel values of the pixel points existing in the first-in first-out buffer, and displaying the pixel points based on the updated pixel values.
Description
Technical Field
The invention relates to the technical field of image display, in particular to an image display method and device of a screen menu type adjusting mode.
Background
An on-screen display (OSD) is applied to a display device such as an LCD, an LED, etc., which refers to some special fonts or graphics presented in the form of images in a screen of the display device. When an image in the screen menu type adjustment mode is displayed, it is necessary to enlarge and display the image.
At present, there are two methods for displaying an enlarged image in a menu-type adjustment mode: the first is to store the pre-magnified image in the memory corresponding to the screen menu type adjustment mode, and then read the image data from the memory for magnified display, which consumes large storage resources. In another way, the image is directly copied and the image amplified by 2 times or 4 times is output, and this way can only amplify the image under the set multiple, and the flexibility of image amplification and display is poor, and the effect of image amplification and display is poor.
Disclosure of Invention
In view of the above, the present invention provides an image display method and apparatus with an on-screen menu type adjustment mode, and mainly aims to improve the flexibility of image enlargement display of the on-screen menu type adjustment mode and reduce the storage resources consumed by image enlargement display.
In order to achieve the above purpose, the present invention mainly provides the following technical solutions:
in a first aspect, the present invention provides a method for displaying an image in a screen menu type adjustment mode, the method comprising:
acquiring a first pixel matrix of an image to be amplified in a screen menu type adjusting mode, wherein the first pixel matrix comprises a pixel value corresponding to each pixel point in the image to be amplified;
determining the magnification ratio of the image to be magnified;
adding N target pixel point rows and M target pixel point columns to the first pixel matrix according to the amplification ratio and the pixel points included in the first pixel matrix to form a second pixel matrix, wherein N and M are integers greater than or equal to 1;
transmitting the pixel points included in the second pixel matrix to a first-in first-out buffer in a pixel point queue mode;
and when the pixel points exist in the first-in first-out buffer, updating the pixel values of the pixel points existing in the first-in first-out buffer, and displaying the pixel points based on the updated pixel values.
In a second aspect, the present invention provides an image enlarging apparatus in a screen menu type adjustment mode, the apparatus comprising:
the device comprises an acquisition unit, a display unit and a control unit, wherein the acquisition unit is used for acquiring a first pixel matrix of an image to be amplified in a screen menu type adjustment mode, and the first pixel matrix comprises a pixel value corresponding to each pixel point in the image to be amplified;
a determination unit configured to determine an enlargement ratio of the image to be enlarged;
an adding unit, configured to add N target pixel rows and M target pixel columns to the first pixel matrix according to the amplification ratio and the pixels included in the first pixel matrix, so as to form a second pixel matrix, where N and M are integers greater than or equal to 1;
the transmission unit is used for transmitting the pixel points included in the second pixel matrix to the first-in first-out buffer in a pixel point queue mode;
and the display unit is used for updating the pixel value of the pixel point existing in the first-in first-out buffer when the pixel point exists in the first-in first-out buffer and displaying the pixel point based on the updated pixel value.
In a third aspect, the present invention provides a computer-readable storage medium, where the storage medium includes a stored program, and where the program is executed to control a device on which the storage medium is located to execute the image display method in the screen menu adjustment mode according to the first aspect.
In a fourth aspect, the present invention provides an electronic device, comprising:
a memory for storing a program;
a processor, coupled to the memory, for executing the program to perform the image display method of the first aspect in the screen menu adjustment mode.
By means of the technical scheme, when the image to be amplified is required to be amplified and displayed, the image display method and the image display device adopting the screen menu type adjustment mode firstly acquire the first pixel matrix of the image to be amplified in the screen menu type adjustment mode, and determine the amplification ratio of the image to be amplified. And then adding N target pixel point rows and M target pixel point columns in the first pixel matrix according to the amplification ratio and the pixel points included in the first pixel matrix to form a second pixel matrix. And transmitting the pixel points included in the second pixel matrix to the first-in first-out buffer in a pixel point queue mode. And when the pixel points exist in the first-in first-out buffer, updating the pixel values of the pixel points existing in the first-in first-out buffer, and displaying the pixel points based on the updated pixel values. Therefore, according to the scheme provided by the invention, the pixel point rows and the pixel point columns are added into the pixel matrix of the image to be amplified according to the amplification ratio to realize the amplification of the image to be amplified, and the image can be flexibly amplified based on the amplification requirement by the mode, so that the image amplification display flexibility of the screen menu type adjustment mode is improved. In addition, the scheme provided by the invention adopts a first-in first-out mode to update the pixel value of each pixel point in the expanded pixel matrix, and the pixel value of the updated pixel point is not stored, but is directly displayed and output according to the updated pixel value, so that the storage resource consumed by image amplification display can be reduced.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a flowchart illustrating an image display method in an on-screen menu type adjustment manner according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a pixel matrix according to an embodiment of the invention;
FIG. 3 is a schematic diagram of a pixel matrix according to another embodiment of the invention;
fig. 4 is a schematic diagram illustrating a configuration of an image display apparatus in a screen menu type adjustment mode according to an embodiment of the present invention;
fig. 5 is a schematic diagram illustrating an image display structure in an on-screen menu type adjustment manner according to another embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
An on-screen display (OSD) is applied to a display device such as an LCD, an LED, etc., which refers to some special fonts or graphics presented in the form of images in a screen of the display device. The special character patterns or the graphics present the working indexes of the display device, such as color, volume, image quality and the like, and the user can adjust the working indexes of the display device according to the special character patterns or the graphics, so that the display device can achieve the optimal use state.
When an image in the screen menu type adjustment mode is displayed, it is necessary to enlarge and display the image. The image magnification display scene of the screen menu type adjusting mode comprises the following two scenes: first, the screen menu type of image is enlarged to be suitable for the resolution of the display device. Second, the screen menu type of adjustment enlarges the image to be appropriate for the user's desire to view the image.
At present, there are two methods for displaying an enlarged image in a menu-type adjustment mode: the first is to store the pre-amplified image in the memory corresponding to the screen menu type adjustment mode, and then read the image data from the memory for amplification display, which consumes more storage resources, and the other is to directly copy the image and output the image amplified 2 times or 4 times, which can only amplify the image under the set multiple, and the flexibility of image amplification display is poor, and the amplification display effect of the image is poor.
In order to improve the flexibility of image magnification display of a screen menu type adjustment mode and reduce the storage resource consumed by image magnification display, the embodiment of the invention provides an image display method and device of the screen menu type adjustment mode. The following describes a method and an apparatus for displaying an image in a screen menu type adjustment manner according to an embodiment of the present invention.
As shown in fig. 1, an embodiment of the present invention provides an image display method in a screen menu type adjustment mode, which mainly includes:
101. a first pixel matrix of an image to be magnified in a screen menu type adjustment mode is obtained.
The image to be amplified is an image corresponding to the display content of the screen menu type adjustment mode, and in practical application, any image with an amplification requirement corresponding to the screen menu type adjustment mode can be used as the image to be amplified. The image to be magnified is a bitmap, i.e., a dot matrix image, which is represented by a matrix of pixels.
The determination of the image to be enlarged is related to the scene of the image display in the screen menu type adjusting mode, and comprises the following two types: first, in a scene where an image in the screen menu type adjustment mode is enlarged to a resolution suitable for the display device, any image in the screen menu type adjustment mode that needs to be enlarged to a resolution suitable for the display device may be used as an image to be enlarged. Secondly, in a scene that the image of the screen menu type adjustment mode is enlarged to be suitable for the requirement of the user for watching the image, any image which needs to be enlarged to be suitable for the requirement of the user for watching the image and corresponds to the screen menu type adjustment mode can be used as the image to be enlarged.
After the image to be amplified is determined, a first pixel matrix of the image to be amplified needs to be acquired, and the first pixel matrix is an amplification basis of the image to be amplified. The first pixel matrix comprises pixel values corresponding to each pixel point in the image to be amplified. The pixel points included in the first pixel matrix and the pixel values corresponding to the pixel points are original data before amplification. It should be noted that each pixel point also has its corresponding coordinate data, and the coordinate data locates its position in the first pixel matrix.
In practical application, the screen menu type adjusting mode has a corresponding image index, and when an image to be amplified is acquired, the image can be called from an image storage position through the image index. Illustratively, the screen menu type adjustment mode is that coordinates sent by an image 1 are (3, 5), an image index number is 2, the image index number 2 corresponds to a 12x18bit bitmap 2, a 12x18bit bitmap 2 corresponding to the image index number 2 is displayed in a line 3 and a column 5 in a frame displayed on a display panel, when displaying, the bitmap 2 starts from the coordinates (3, 5) to the coordinates (3+18, 5+12), the bitmap 2 has an amplification requirement, and the 2x18bit bitmap 2 is an image to be amplified.
102. The magnification ratio of the image to be magnified is determined.
The magnification ratio is a main basis for magnifying an image to be magnified. The determination method of the enlargement ratio may include the following two methods: first, a magnification ratio is determined according to the resolution of the display panel. It should be noted that the resolution of the display panel needs to be greater than the resolution of the image to be enlarged, and the enlargement ratio is the ratio of the resolution of the display panel to the resolution of the image to be enlarged. Second, the magnification ratio is determined according to the magnification instruction, for example, if the user needs to magnify the image to be magnified by 2 times, the user receives the magnification instruction carrying 2 times. The enlargement instruction may be determined by inputting a numerical value of the magnification or by dragging the image to be enlarged.
103. And adding N target pixel point rows and M target pixel point columns in the first pixel matrix according to the amplification ratio and the pixel points included in the first pixel matrix to form a second pixel matrix.
The second pixel matrix is completed by adding pixel point rows and pixel point columns in the second pixel matrix based on the magnification ratio, and the second pixel matrix is the basis of the magnified display of the image to be magnified. A specific process of forming the second pixel matrix by adding N target pixel rows and M target pixel columns to the first pixel matrix according to the magnification ratio and the pixels included in the first pixel matrix is described below, where the process specifically includes:
according to the magnification ratio, A first pixel point groups are selected from the first pixel matrix. All the first pixel point groups are used as third pixel point groups to execute: and determining at least one target pixel point group based on each third pixel point group, and adding the determined at least one target pixel point group into the first pixel matrix to form a target pixel matrix. And B second pixel point groups are selected from the target pixel matrix according to the magnification ratio. And all the second pixel point groups are used as third pixel point groups to execute: and determining at least one target pixel point group based on each third pixel point group, and adding the determined at least one target pixel point group into the target pixel matrix to form a second pixel matrix. Wherein B is an integer greater than or equal to 1; a is an integer greater than or equal to 1.
Specifically, determining at least one target pixel group based on each third pixel group includes: executing the following steps when each target pixel point group is determined: and allocating a fourth pixel point group to the target pixel point group, and generating the target pixel point group based on the allocated fourth pixel point group, wherein the fourth pixel point group is derived from each third pixel point group.
Specifically, generating the target pixel point group based on the allocated fourth pixel point group includes: for a target pixel group to which a fourth pixel group is assigned, correspondingly determining the assigned fourth pixel group as the target pixel group; and for the target pixel group to which the two fourth pixel groups are allocated, adopting bilinear interpolation algorithm operation on the two allocated fourth pixel groups, and determining an operation result as the target pixel group, wherein the two allocated fourth pixel groups are two adjacent pixel groups.
Specifically, adding the determined at least one target pixel group to the first pixel matrix to form a target pixel matrix, including: for a target pixel group determined by a fourth pixel group, adding the target pixel group as a previous group or a next group of the corresponding fourth pixel group in the first pixel matrix; and for the target pixel point group determined by the two fourth pixel point groups, adding the target pixel point group between the two fourth pixel point groups in the first pixel matrix.
Specifically, adding the determined at least one target pixel group to the target pixel matrix to form a second pixel matrix, including: for a target pixel group determined by a fourth pixel group, adding the target pixel group as a previous group or a next group of the corresponding fourth pixel group in the target pixel matrix; and for the target pixel point group determined by the two fourth pixel point groups, adding the target pixel point group between the two fourth pixel point groups in the target pixel matrix.
According to the amplification ratio and the pixel points included in the first pixel matrix, N target pixel point rows and M target pixel point columns are added to the first pixel matrix, and the specific process of forming the second pixel matrix can be seen. When the first pixel point groups are pixel point rows and the second pixel point groups are pixel point columns, at least one target pixel point group determined based on A first pixel point groups is N target pixel point rows, and at least one target pixel point group determined based on B second pixel point groups is M target pixel point columns. When the first pixel point groups are pixel point rows and the second pixel point groups are pixel point rows, at least one target pixel point group determined based on A first pixel point groups is M target pixel point rows, and at least one target pixel point group determined based on B second pixel point groups is N target pixel point rows.
The following is specifically illustrated by two specific examples:
for example, first, N target pixel point rows are added to the first pixel matrix, and then M target pixel point columns are added to the first pixel matrix, the process includes the following steps a1 to a 4:
a1, selecting A first pixel point rows from the first pixel matrix according to the magnification ratio.
The first pixel matrix is composed of at least one pixel row and at least one pixel column, wherein one pixel row is a row composed of a plurality of pixel points, and one pixel column is a column composed of a plurality of pixel points.
When an image to be amplified needs to be amplified and displayed, in order to ensure the definition after display, new pixel rows and pixel columns need to be added on the basis of the original pixel rows and pixel columns of the first pixel matrix.
The basis for adding pixel rows is a first pixel dot rows selected from the first pixel matrix according to the magnification ratio. The a first pixel dot rows are explained below from two points: in one aspect, the number of first pixel dot rows, i.e., a, is determined based on the magnification ratio and the original total number of rows of the first pixel matrix, and a may be greater than or equal to a value determined based on the magnification ratio and the original total number of rows of the first pixel matrix. Illustratively, the magnification ratio is 1.25 times, the original total number of rows of the first pixel matrix is 12, the total number of rows of the second pixel matrix after the magnification is required to be 12 × 1.25 — 15 rows, and the size of a is 3. Secondly, according to the selection principle of the first pixel point row, in order to reduce and amplify the image of the main image in the image to be amplified to the maximum extent, the first pixel point row selects the pixel point row with more background colors. Illustratively, if the background color has a pixel value of 58, the first pixel matrix is selected as the first pixel row including the pixel value of 58.
A2, determining N target pixel point rows based on the a first pixel point rows, and adding the determined at least one target pixel point row to the first pixel matrix, forming a target pixel matrix.
The number of target pixel point rows, i.e. N, is determined based on the magnification ratio and the original total number of rows of the first pixel matrix, N being equal to a value determined based on the magnification ratio and the original total number of rows of the first pixel matrix. Illustratively, the magnification ratio is 1.25 times, the original total number of rows of the first pixel matrix is 12, the total number of rows of the second pixel matrix after the magnification is required to be 12 × 1.25 — 15 rows, and the size of N is 3.
A specific process of determining N target pixel point rows based on a first pixel point rows: performing in determining each target pixel point row: and allocating a fourth pixel point row for the target pixel point row, and generating the target pixel point row based on the allocated fourth pixel point row, wherein the fourth pixel point row is derived from the A first pixel point rows.
One target pixel point row is generated based on one or more of the a first pixel point rows, that is, one target pixel point row may be generated based on one first pixel point row or may be generated from two first pixel point rows. Note that, if two first pixel point rows are generated, the two first pixel point rows need to be adjacent pixel point rows.
A specific process of determining N target pixel point rows based on a first pixel point rows and adding at least one determined target pixel point row to a first pixel matrix to form a target pixel matrix will be described below:
in the first aspect, for a target pixel point row to which one fourth pixel point row is assigned, the assigned fourth pixel point row is correspondingly determined as the target pixel point row, and the target pixel point row is added as the previous row or the next row of the fourth pixel point row corresponding to the target pixel point row in the first pixel matrix.
Specifically, for the target pixel point row to which one fourth pixel point row is assigned, the assigned fourth pixel point row is correspondingly determined as the target pixel point row, that is, the target pixel point row is identical to the fourth pixel point row, and only the fourth pixel point row is copied.
Specifically, the target pixel point row is added as the previous row or the next row of the fourth pixel point row corresponding thereto in the first pixel matrix. This operation defines the positional relationship of the target pixel dot row and its corresponding fourth pixel dot row in the target pixel matrix. Exemplarily, as shown in fig. 2, fig. 2 is a first pixel matrix of the image to be enlarged, which is a3 × 3 matrix, in the figure, only circles represent pixel points, and coordinates and pixel values corresponding to the pixel points are not shown, in the figure, 1, 2, and 3 represent row numbers, and a, b, and c represent column numbers. As shown in fig. 3, fig. 3 is a diagram in which a target pixel point row 1 ' is added to the first pixel matrix shown in fig. 2, the target pixel point row 1 ' is obtained based on the pixel point row 1, and the target pixel point row 1 ' is added to the next row of the pixel point row 1.
And secondly, for the target pixel point row distributed with two fourth pixel point rows, adopting bilinear interpolation algorithm operation on the two distributed fourth pixel point rows, and determining an operation result as the target pixel point row, wherein the two distributed fourth pixel point rows are two adjacent pixel point rows. The target pixel dot row is added between the two fourth pixel dot rows in the first pixel matrix.
Specifically, for the target pixel point line to which two fourth pixel point lines are allocated, a bilinear interpolation algorithm is used for the two fourth pixel point lines, and the operation process is as follows: and executing any two pixel points in the same column in the two fourth pixel point rows, and adopting a bilinear interpolation algorithm for operation according to the coordinates and the pixel values of the two fourth pixel points to obtain an operation result, namely the pixel value of the pixel point in the target pixel point row which is in the same column with the two fourth pixel points. And after all the pixel points in the two fourth pixel point rows are calculated by adopting a bilinear interpolation algorithm, determining the calculation result as a target pixel point row.
Specifically, a target pixel dot row is added between two fourth pixel dot rows in the first pixel matrix. This operation defines the positional relationship of the target pixel dot row and its corresponding two fourth pixel dot rows in the target pixel matrix. Illustratively, as shown in fig. 3, fig. 3 is a diagram in which a target pixel point row 2 ' is added to the first pixel matrix shown in fig. 2, the target pixel point row 2 ' is based on pixel point rows 2 and 3, and the target pixel point row 2 ' is located between the pixel point rows 2 and 3.
And A3, selecting B second pixel point columns from the target pixel matrix according to the magnification ratio.
When an image to be amplified needs to be amplified and displayed, in order to ensure the definition after display, new pixel rows and pixel columns need to be added on the basis of the original pixel rows and pixel columns of the first pixel matrix.
The basis for adding pixel rows is B second pixel point rows selected from the target pixel matrix according to the magnification ratio. The B second pixel point columns are explained below in two ways: one is that the number of columns of second pixel dots, i.e. B, is determined based on the magnification ratio and the original total number of columns of the first pixel matrix, and B may be greater than or equal to a value determined based on the magnification ratio and the original total number of columns of the second pixel matrix. Illustratively, the magnification ratio is 1.25 times, the original total number of columns of the first pixel matrix is 18, the total number of columns in the second pixel matrix after magnification is required to be 18 × 1.25 — 22 rows, and the size of B is 4. Secondly, according to the selection principle of the second pixel point row, in order to reduce and amplify the image of the main image in the image to be amplified to the maximum extent, the second pixel point row selects the pixel point row with more background colors. Illustratively, if the background color has a pixel value of 58, the pixel dot row of the first pixel matrix including the pixel value of 58 is selected as the second pixel dot row.
A4, executing all the second pixel point columns as third pixel point columns: m target pixel point columns are determined based on the third pixel point columns, and the determined M target pixel point columns are added to the target pixel matrix to form a second pixel matrix.
The number of target pixel point columns, i.e. M, is determined based on the magnification ratio and the original total number of columns of the first pixel matrix, M being equal to a value determined based on the magnification ratio and the original total number of columns of the first pixel matrix. Illustratively, the magnification ratio is 1.25 times, the original total number of columns of the first pixel matrix is 18, the total number of columns in the second pixel matrix after magnification is required to be 18 × 1.25 — 22 rows, and the size of M is 4.
A specific process of determining M target pixel point columns based on each third pixel point column: performing, in determining each target pixel point column: and allocating a fourth pixel point column to the target pixel point column, and generating the target pixel point column based on the allocated fourth pixel point column, wherein the fourth pixel point column is derived from the B second pixel point columns.
One target pixel point column is generated based on one or more of the B second pixel point columns, that is, one target pixel point column may be generated based on one second pixel point column or may be generated from two second pixel point columns. Note that, if two second pixel dot rows are generated, the two second pixel dot rows need to be adjacent pixel dot rows.
A specific process of determining M target pixel point rows based on the third pixel point rows and adding the determined M target pixel point rows to the target pixel matrix to form the second pixel matrix is described below:
in the first aspect, for a target pixel point row to which one fourth pixel point row is assigned, the assigned fourth pixel point row is correspondingly determined as the target pixel point row, and the target pixel point row is added as a row above or below the fourth pixel point row corresponding to the target pixel point row in the target pixel matrix.
Specifically, for a target pixel dot column to which one fourth pixel dot column is assigned, the assigned fourth pixel dot column is correspondingly determined as the target pixel dot column, that is, the target pixel dot column is identical to the fourth pixel column, and is only a copy of the fourth pixel dot column.
Specifically, the target pixel point column is added as the previous column or the next column of the fourth pixel point column corresponding thereto in the target pixel matrix. This operation defines the positional relationship of the target pixel dot column and its corresponding fourth pixel dot column in the second pixel matrix. As shown in fig. 3, fig. 3 is a diagram in which a target pixel point column a ' is added to the first pixel matrix shown in fig. 2, the target pixel point column a ' is obtained based on the pixel point row a, and the target pixel point column a ' is added to a column next to the pixel point row a.
And secondly, for the target pixel point row distributed with two fourth pixel point rows, adopting bilinear interpolation algorithm operation on the two distributed fourth pixel point rows, and determining the operation result as the target pixel point row, wherein the two distributed fourth pixel point rows are two adjacent pixel point rows. A column of target pixel points is added between the two in the target pixel matrix.
Specifically, for the target pixel point row to which two fourth pixel point rows are allocated, a bilinear interpolation algorithm is used for the two fourth pixel point rows allocated, and the operation process is as follows: and executing all the pixels which are positioned in the same row in any two fourth pixel point rows, and calculating by adopting a bilinear interpolation algorithm according to the coordinate data and the pixel values of the two fourth pixel points to obtain an operation result, namely the pixel values of the pixels which are positioned in the same row with the two fourth pixel point rows in the target pixel point row. And after all the pixel points in the two fourth pixel point rows are calculated by adopting a bilinear interpolation algorithm, determining the calculation result as a target pixel point row.
Specifically, a target pixel dot column is added between two fourth pixel dot columns in the target pixel matrix. This operation defines the positional relationship of the target pixel dot column and its corresponding two fourth pixel dot columns in the second pixel matrix. As shown in fig. 3, fig. 3 is a diagram in which a target pixel point column b ' is added to the first pixel matrix shown in fig. 2, and the target pixel point column b ' is obtained based on pixel point columns b and c, and the target pixel point column b ' is located between the pixel point columns b and c.
Second, N target pixel point columns are added first, and then M target pixel point rows are added to the first pixel matrix, and the process includes the following steps B1 to B4:
b1, selecting A first pixel point columns from the first pixel matrix according to the magnification ratio.
And B2, determining M target pixel point columns based on the A first pixel point columns, and adding the determined M target pixel point columns to the first pixel matrix to form a target pixel matrix.
And B3, selecting B second pixel point rows from the target pixel matrix according to the magnification ratio.
B4, executing all the second pixel point rows as third pixel point rows: and determining N target pixel point rows based on the third pixel point rows, and adding the determined N target pixel point rows to the target pixel matrix to form a second pixel matrix.
Steps B1 through B4 are substantially the same as steps A1 through A4, and thus the description thereof is omitted.
104. And transmitting the pixel points included in the second pixel matrix to the first-in first-out buffer in a pixel point queue mode.
In order to reduce the storage resource consumed by image amplification display, the pixel points included in the second pixel matrix are transmitted to the first-in first-out buffer in a pixel point queue mode. The specific process of transmitting the pixel points included in the second pixel matrix to the first-in first-out buffer in a pixel point queue mode comprises the following steps: firstly, a pixel point queue is formed according to the position relation of each pixel point in the second pixel matrix, and then the pixel point queue is transmitted to the first-in first-out buffer.
The method for forming the pixel point queue according to the position relation of each pixel point in the second pixel matrix comprises the following two methods: the first is to form a pixel point queue by taking the rows in the second pixel matrix as units, for example, the first pixel point in the first row starts to transmit pixel point data to the first-in first-out buffer, and after all the pixel points in the first row are transmitted, the first pixel point in the second row starts to transmit pixel point data to the first-in first-out buffer, and the above processes are repeated until all the pixel points in the second pixel matrix are transmitted. The second is to form a pixel point queue by taking the second pixel matrix as a unit, for example, the first pixel point in the first row starts to transmit pixel point data to the first-in first-out buffer, and after all the pixel points in the first row are transmitted, the first pixel point in the second row starts to transmit pixel point data to the first-in first-out buffer, and the above processes are repeated until all the pixel points in the second pixel matrix are transmitted.
The pixel point data transmitted to the first-in first-out buffer comprises pixel values and coordinates corresponding to the pixel points.
105. And when the pixel points exist in the first-in first-out buffer, updating the pixel values of the pixel points existing in the first-in first-out buffer, and displaying the pixel points based on the updated pixel values.
Since the second pixel matrix is obtained by amplifying the original first pixel matrix of the image to be amplified, the pixel values of the pixels included in the second pixel matrix cannot achieve a good display effect, and therefore, the pixel values of the pixels in the second pixel matrix need to be updated.
When the pixel value of each pixel point in the second pixel matrix is updated, in order to reduce the storage resource consumed by image amplification display, the first-in first-out mode is adopted to determine in real time and display according to the determined result.
When detecting that a pixel exists in the first-in first-out buffer, the specific process of updating the pixel value of the pixel existing in the first-in first-out buffer is to perform the following steps C1 to C with the pixel in the first-in first-out buffer as the first pixel respectively:
c1, selecting the second pixel point related to the first pixel point from the first-in first-out buffer.
When displaying an image, the image is usually displayed in a form of line scanning or column scanning, and therefore the relationship between the first pixel and the second pixel includes the following two types:
the first is to form a pixel point queue by taking the row in the second pixel matrix as a unit, and when the pixel point queue is transmitted to the first-in first-out buffer, the second pixel point is the next pixel point which is positioned in the same row as the first pixel point and is adjacent to the first pixel point.
The second is to form a pixel point queue by taking the second pixel matrix as a unit, and when the pixel point queue is transmitted to the first-in first-out buffer, the second pixel point and the first pixel point are positioned in the same row, and the next pixel point adjacent to the first pixel point is positioned.
And C2, determining a proportional value corresponding to the first pixel point by adopting a bilinear interpolation algorithm according to the pixel value of the first pixel point and the pixel value of the second pixel point. A
The process of determining the proportional value corresponding to the first pixel point comprises the following steps: and calculating by adopting a bilinear interpolation algorithm based on the pixel value and the coordinate data of the first pixel point and the pixel value and the coordinate data of the second pixel point, wherein the calculation result is a proportional value corresponding to the first pixel point.
And C3, determining a new pixel value corresponding to the first pixel point based on the proportion value, the pixel value of the first pixel point and the pixel value of the second pixel point.
Based on the ratio value, the pixel value of the first pixel point and the pixel value of the second pixel point, the specific process of determining the new pixel value corresponding to the first pixel point can be represented by the following formula:
T＝(d1×P+d2×(F-P))/F
wherein, T is a new pixel value corresponding to the first pixel point, d1 is a pixel value of the first pixel point, d2 is a pixel value of the second pixel point, P is a proportional value, and F is a preset value.
F may be set based on specific traffic needs. Illustratively, F is 64, which represents that the space between the first pixel point and the second pixel point is divided into 64 grids, and the meaning based on the above formula is to make the pixel value of the first pixel point closer to the pixel value of the first pixel point and the pixel value close to the pixel value of the second pixel point.
The image display method of the screen menu type adjusting mode, provided by the embodiment of the invention, comprises the steps of firstly obtaining a first pixel matrix of an image to be amplified of the screen menu type adjusting mode when the image to be amplified needs to be amplified and displayed, and determining the amplification ratio of the image to be amplified. And then adding N target pixel point rows and M target pixel point columns in the first pixel matrix according to the amplification ratio and the pixel points included in the first pixel matrix to form a second pixel matrix. And transmitting the pixel points included in the second pixel matrix to the first-in first-out buffer in a pixel point queue mode. And when the pixel points exist in the first-in first-out buffer, updating the pixel values of the pixel points existing in the first-in first-out buffer, and displaying the pixel points based on the updated pixel values. Therefore, according to the scheme provided by the embodiment of the invention, the pixel point rows and the pixel point columns are added into the pixel matrix of the image to be amplified according to the amplification ratio to realize the amplification of the image to be amplified, and the image can be amplified flexibly based on the amplification requirement, so that the image amplification display flexibility of a screen menu type adjustment mode is improved. In addition, the scheme provided by the invention adopts a first-in first-out mode to update the pixel value of each pixel point in the expanded pixel matrix, and the pixel value of the updated pixel point is not stored, but is directly displayed and output according to the updated pixel value, so that the storage resource consumed by image amplification display can be reduced.
Further, according to the above embodiment of the method, another embodiment of the present invention further provides an image display apparatus in an on-screen menu type adjustment mode, as shown in fig. 4, the apparatus comprising:
the acquiring unit 31 is configured to acquire a first pixel matrix of an image to be enlarged in a screen menu type adjustment manner, where the first pixel matrix includes a pixel value corresponding to each pixel point in the image to be enlarged;
a determination unit 32 for determining a magnification ratio of the image to be magnified;
an adding unit 33, configured to add N target pixel rows and M target pixel columns to the first pixel matrix according to the amplification ratio and the pixels included in the first pixel matrix, so as to form a second pixel matrix, where N and M are integers greater than or equal to 1;
a transmission unit 34, configured to transmit the pixel points included in the second pixel matrix to a first-in first-out buffer in a pixel point queue manner;
the display unit 35 is configured to update a pixel value of a pixel existing in the first-in first-out buffer when the pixel exists in the first-in first-out buffer, and display the pixel based on the updated pixel value.
When an image to be magnified is required to be magnified and displayed, the image display device of the screen menu type adjustment mode first acquires the first pixel matrix of the image to be magnified in the screen menu type adjustment mode, and determines the magnification ratio of the image to be magnified. And then adding N target pixel point rows and M target pixel point columns in the first pixel matrix according to the amplification ratio and the pixel points included in the first pixel matrix to form a second pixel matrix. And transmitting the pixel points included in the second pixel matrix to the first-in first-out buffer in a pixel point queue mode. And when the pixel points exist in the first-in first-out buffer, updating the pixel values of the pixel points existing in the first-in first-out buffer, and displaying the pixel points based on the updated pixel values. Therefore, in the scheme provided by the embodiment of the invention, the pixel point rows and the pixel point columns are added into the pixel matrix of the image to be amplified according to the amplification ratio to realize the amplification of the image to be amplified, and the image can be flexibly amplified based on the amplification requirement by the mode, so that the image amplification display flexibility of the screen menu type adjustment mode is improved. In addition, the scheme provided by the invention adopts a first-in first-out mode to update the pixel value of each pixel point in the expanded pixel matrix, and the pixel value of the updated pixel point is not stored, but is directly displayed and output according to the updated pixel value, so that the storage resource consumed by image amplification display can be reduced.
Optionally, as shown in fig. 5, the display unit 35 is specifically configured to perform, as first pixel points, the following operations on pixel points in the first-in first-out buffer:
selecting a second pixel point related to the first pixel point from the first-in first-out buffer, wherein the second pixel point is a next pixel point which is positioned on the same line as the first pixel point and is adjacent to the first pixel point, or the second pixel point is positioned on the same line as the first pixel point and is adjacent to the first pixel point;
determining a proportional value corresponding to the first pixel point by adopting a bilinear interpolation algorithm according to the pixel value of the first pixel point and the pixel value of the second pixel point;
and determining a new pixel value corresponding to the first pixel point based on the proportion value, the pixel value of the first pixel point and the pixel value of the second pixel point.
Optionally, as shown in fig. 5, the adding unit 33 includes:
a first selecting module 331, configured to select a first pixel point group from the first pixel matrix according to the magnification ratio, where a is an integer greater than or equal to 1;
a first forming module 332, configured to execute all the first pixel point groups as third pixel point groups: determining at least one target pixel point group based on each third pixel point group, and adding the determined at least one target pixel point group into the first pixel matrix to form a target pixel matrix;
a second selecting module 333, configured to select B second pixel point groups from the target pixel matrix according to the magnification ratio, where B is an integer greater than or equal to 1;
a second forming module 334, configured to execute all the second pixel point groups as a third pixel point group: determining at least one target pixel point group based on each third pixel point group, and adding the determined at least one target pixel point group into the target pixel matrix to form the second pixel matrix;
when the first pixel point groups are pixel point rows and the second pixel point groups are pixel point columns, at least one target pixel point group determined based on the A first pixel point groups is the N target pixel point rows, and at least one target pixel point group determined based on the B second pixel point groups is the M target pixel point columns; when the first pixel point groups are pixel point rows and the second pixel point groups are pixel point lines, at least one target pixel point group determined based on the A first pixel point groups is the M target pixel point rows, and at least one target pixel point group determined based on the B second pixel point groups is the N target pixel point rows.
Optionally, as shown in fig. 5, the first forming module 332 is specifically configured to, when determining each target pixel point group, perform: and allocating a fourth pixel point group to the target pixel point group, and generating the target pixel point group based on the allocated fourth pixel point group, wherein the fourth pixel point group is derived from each third pixel point group.
Optionally, as shown in fig. 5, the first forming module 332 is specifically configured to, for a target pixel group to which a fourth pixel group is assigned, correspondingly determine the assigned fourth pixel group as the target pixel group; and for the target pixel group to which the two fourth pixel groups are allocated, adopting bilinear interpolation algorithm operation on the two allocated fourth pixel groups, and determining an operation result as the target pixel group, wherein the two allocated fourth pixel groups are two adjacent pixel groups.
Optionally, as shown in fig. 5, the first forming module 332 is specifically configured to, for a target pixel group determined by a fourth pixel group, add the target pixel group as a previous group or a next group of the fourth pixel group corresponding to the target pixel group in the first pixel matrix; and for a target pixel point group determined by two fourth pixel point groups, adding the target pixel point group between the two fourth pixel point groups in the first pixel matrix.
Optionally, as shown in fig. 5, the second forming module 334 is specifically configured to execute, when determining each target pixel point group: and allocating a fourth pixel point group to the target pixel point group, and generating the target pixel point group based on the allocated fourth pixel point group, wherein the fourth pixel point group is derived from each third pixel point group.
Optionally, as shown in fig. 5, the second forming module 334 is specifically configured to, for a target pixel group to which a fourth pixel group is assigned, correspondingly determine the assigned fourth pixel group as the target pixel group; and for the target pixel group to which the two fourth pixel groups are allocated, adopting bilinear interpolation algorithm operation on the two allocated fourth pixel groups, and determining an operation result as the target pixel group, wherein the two allocated fourth pixel groups are two adjacent pixel groups.
Optionally, as shown in fig. 5, the second forming module 334 is specifically configured to, for a target pixel group determined by a fourth pixel group, add the target pixel group as a previous group or a next group of the fourth pixel group corresponding to the target pixel group in the target pixel matrix; and for a target pixel point group determined by two fourth pixel point groups, adding the target pixel point group between the two fourth pixel point groups in the target pixel matrix.
In the image display device with the screen menu type adjustment mode provided in the embodiment of the present invention, for details of methods used in the operation process of each function module, reference may be made to the corresponding methods in the method embodiments of fig. 1 to 3 for details, which are not described herein again.
Further, according to the above embodiment, another embodiment of the present invention further provides a computer-readable storage medium, where the storage medium includes a stored program, and when the program runs, the apparatus on which the storage medium is located is controlled to execute the image display method in the screen menu type adjustment manner described in fig. 1 to 3.
Further, according to the above embodiment, another embodiment of the present invention also provides an electronic device, including:
a memory for storing a program;
a processor, coupled to the memory, for executing the program to perform the image display method of the screen menu adjustment mode of fig. 1-3.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
It will be appreciated that the relevant features of the method and apparatus described above are referred to one another. In addition, "first", "second", and the like in the above embodiments are for distinguishing the embodiments, and do not represent merits of the embodiments.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The algorithms and displays presented herein are not inherently related to any particular computer, virtual machine, or other apparatus. Various general purpose systems may also be used with the teachings herein. The required structure for constructing such a system will be apparent from the description above. Moreover, the present invention is not directed to any particular programming language. It is appreciated that a variety of programming languages may be used to implement the teachings of the present invention as described herein, and any descriptions of specific languages are provided above to disclose the best mode of the invention.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.
The various component embodiments of the invention may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art will appreciate that a microprocessor or Digital Signal Processor (DSP) may be used in practice to implement some or all of the functions of some or all of the components of the method, apparatus and framework for operation of a deep neural network model in accordance with embodiments of the present invention. The present invention may also be embodied as apparatus or device programs (e.g., computer programs and computer program products) for performing a portion or all of the methods described herein. Such programs implementing the present invention may be stored on computer-readable media or may be in the form of one or more signals. Such a signal may be downloaded from an internet website or provided on a carrier signal or in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
Claims (10)
1. An image display method of an on-screen menu type adjustment mode, the method comprising:
acquiring a first pixel matrix of an image to be amplified in a screen menu type adjusting mode, wherein the first pixel matrix comprises a pixel value corresponding to each pixel point in the image to be amplified;
determining the magnification ratio of the image to be magnified;
adding N target pixel point rows and M target pixel point columns to the first pixel matrix according to the amplification ratio and the pixel points included in the first pixel matrix to form a second pixel matrix, wherein N and M are integers greater than or equal to 1;
transmitting the pixel points included in the second pixel matrix to a first-in first-out buffer in a pixel point queue mode;
and when the pixel points exist in the first-in first-out buffer, updating the pixel values of the pixel points existing in the first-in first-out buffer, and displaying the pixel points based on the updated pixel values.
2. The method of claim 1, wherein updating pixel values of pixels present in the fifo buffer comprises:
and respectively taking the pixel points in the first-in first-out buffer as first pixel points to execute:
selecting a second pixel point related to the first pixel point from the first-in first-out buffer, wherein the second pixel point is a next pixel point which is positioned on the same line as the first pixel point and is adjacent to the first pixel point, or the second pixel point is positioned on the same line as the first pixel point and is adjacent to the first pixel point;
determining a proportional value corresponding to the first pixel point by adopting a bilinear interpolation algorithm according to the pixel value of the first pixel point and the pixel value of the second pixel point;
and determining a new pixel value corresponding to the first pixel point based on the proportion value, the pixel value of the first pixel point and the pixel value of the second pixel point.
3. The method of claim 1, wherein adding N rows and M columns of destination pixels to the first pixel matrix based on the magnification ratio and pixels included in the first pixel matrix to form a second pixel matrix comprises:
selecting A first pixel point groups from the first pixel matrix according to the amplification ratio, wherein A is an integer greater than or equal to 1;
all the first pixel point groups are used as third pixel point groups to execute: determining at least one target pixel point group based on each third pixel point group, and adding the determined at least one target pixel point group into the first pixel matrix to form a target pixel matrix;
b second pixel point groups are selected from the target pixel matrix according to the amplification ratio, wherein B is an integer greater than or equal to 1;
and all the second pixel point groups are used as third pixel point groups to execute: determining at least one target pixel point group based on each third pixel point group, and adding the determined at least one target pixel point group into the target pixel matrix to form the second pixel matrix;
when the first pixel point groups are pixel point rows and the second pixel point groups are pixel point columns, at least one target pixel point group determined based on the A first pixel point groups is the N target pixel point rows, and at least one target pixel point group determined based on the B second pixel point groups is the M target pixel point columns; when the first pixel point group is a pixel point row and the second pixel point group is a pixel point row, at least one target pixel point group determined based on the A first pixel point groups is the M target pixel point rows, and at least one target pixel point group determined based on the B second pixel point groups is the N target pixel point rows.
4. The method of claim 3, wherein determining at least one target pixel group based on each of the third pixel groups comprises:
executing the following steps when each target pixel point group is determined: and allocating a fourth pixel point group to the target pixel point group, and generating the target pixel point group based on the allocated fourth pixel point group, wherein the fourth pixel point group is derived from each third pixel point group.
5. The method of claim 4, wherein generating the target group of pixels based on the assigned fourth group of pixels comprises:
for a target pixel group to which a fourth pixel group is assigned, correspondingly determining the assigned fourth pixel group as the target pixel group;
and for the target pixel group to which the two fourth pixel groups are allocated, adopting bilinear interpolation algorithm operation on the two allocated fourth pixel groups, and determining an operation result as the target pixel group, wherein the two allocated fourth pixel groups are two adjacent pixel groups.
6. The method of claim 4, wherein adding the determined at least one target pixel group to the first pixel matrix to form a target pixel matrix comprises:
for a target pixel point group determined by a fourth pixel point group, adding the target pixel point group as a previous group or a next group of the corresponding fourth pixel point group in the first pixel matrix;
and for a target pixel point group determined by two fourth pixel point groups, adding the target pixel point group between the two fourth pixel point groups in the first pixel matrix.
7. The method of claim 4, wherein adding the determined at least one target pixel group to the target pixel matrix to form the second pixel matrix comprises:
for a target pixel point group determined by a fourth pixel point group, adding the target pixel point group as an upper group or a lower group of the corresponding fourth pixel point group in the target pixel matrix;
and for a target pixel point group determined by two fourth pixel point groups, adding the target pixel point group between the two fourth pixel point groups in the target pixel matrix.
8. An image display device of an on-screen menu type adjustment mode, the device comprising:
the device comprises an acquisition unit, a display unit and a control unit, wherein the acquisition unit is used for acquiring a first pixel matrix of an image to be amplified in a screen menu type adjustment mode, and the first pixel matrix comprises a pixel value corresponding to each pixel point in the image to be amplified;
a determination unit configured to determine an enlargement ratio of the image to be enlarged;
an adding unit, configured to add N target pixel rows and M target pixel columns to the first pixel matrix according to the amplification ratio and the pixels included in the first pixel matrix, so as to form a second pixel matrix, where N and M are integers greater than or equal to 1;
the transmission unit is used for transmitting the pixel points included in the second pixel matrix to the first-in first-out buffer in a pixel point queue mode;
and the display unit is used for updating the pixel value of the pixel point existing in the first-in first-out buffer when the pixel point exists in the first-in first-out buffer and displaying the pixel point based on the updated pixel value.
9. A computer-readable storage medium, comprising a stored program, wherein the program, when executed, controls an apparatus in which the storage medium is located to perform the image display method of the screen menu type adjustment mode of any one of claims 1 to 7.
10. An electronic device, characterized in that the electronic device comprises:
a memory for storing a program;
a processor, coupled to the memory, for executing the program to perform the image display method of the screen menu adjustment mode of any one of claims 1 to 7.
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Address after: Room 263, block B, science and technology innovation center, 128 Shuanglian Road, Haining Economic Development Zone, Haining City, Jiaxing City, Zhejiang Province, 314400 Applicant after: Haining yisiwei IC Design Co.,Ltd. Applicant after: Beijing yisiwei Computing Technology Co.,Ltd. Address before: Room 263, block B, science and technology innovation center, 128 Shuanglian Road, Haining Economic Development Zone, Haining City, Jiaxing City, Zhejiang Province, 314400 Applicant before: Haining yisiwei IC Design Co.,Ltd. Applicant before: Beijing yisiwei Computing Technology Co.,Ltd. |