CN112712464A - Image processing method and device, electronic device and storage medium - Google Patents
Image processing method and device, electronic device and storage medium Download PDFInfo
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- 230000015654 memory Effects 0.000 claims abstract description 23
- 238000004590 computer program Methods 0.000 claims description 7
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- 238000010586 diagram Methods 0.000 description 5
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
- G06T3/4092—Image resolution transcoding, e.g. by using client-server architectures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- 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
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
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Abstract
The embodiment of the application provides an image processing method and device, electronic equipment and a storage medium, relates to the technical field of display, and can enable a display chip supporting lower resolution to be matched with an image expansion device to realize the support of higher resolution display, so that the display chip supporting higher resolution is not needed to be matched, and the cost is reduced. The image processing method comprises the following steps: acquiring a resolution a multiplied by b to be displayed, wherein a is the number of pixels in a first direction, and b is the number of pixels in a second direction; allocating memory space corresponding to the image with the resolution of a1 multiplied by b, drawing an initial image with the resolution of a1 multiplied by b1, wherein a1 is less than a, b1 is less than b,
stretching the initial image in a second direction to enable the initial image with the resolution of a1 × b1 to be stretched into an image to be processed with the resolution of a1 × b; to the image to be processedThe image data is processed to obtain a processed image with a resolution of a1 × b.
Description
Technical Field
The present disclosure relates to the field of display technologies, and in particular, to an image processing method and apparatus, an electronic device, and a storage medium.
Background
With the increasing demand of electronic devices such as mobile phones for the display resolution of the devices, some System on a Chip (SOC) chips have a limited maximum supported display resolution, or when the SOC Chip of the mobile phone is used in a flat panel device, the display Chip cannot adapt to a screen with high resolution, for example, a 1080 × 2160 display Chip can only output an image with a resolution of 1080 × 2160 at maximum, if a 1600 × 2560 display screen is directly used, only a part of the screen displays content, and the other part of the screen has no black screen effect of image data. If the display chip with better performance is carried to support large resolution, the display chip is integrated on the SOC chip, so the SOC chip needs to be replaced, and the cost is higher.
Disclosure of Invention
The technical scheme of the application provides an image processing method and device, electronic equipment and a storage medium, and the display chip supporting lower resolution is matched with an image expansion device to realize the support of higher resolution display, so that the display chip supporting higher resolution is not needed to be matched, and the cost is reduced.
In a first aspect, an image processing method is provided for an image processing apparatus, the image processing method including:
acquiring a resolution a multiplied by b to be displayed, wherein a is the number of pixels in a first direction, and b is the number of pixels in a second direction;
allocating memory space corresponding to the image with the resolution of a1 multiplied by b, drawing an initial image with the resolution of a1 multiplied by b1, wherein a1 is less than a, b1 is less than b,
stretching the initial image in the second direction to enable the initial image with the resolution of a1 × b1 to be stretched into an image to be processed with the resolution of a1 × b;
processing the image data of the image to be processed to obtain a processed image with the resolution of a1 multiplied by b;
and sending the processed image with the resolution of a1 × b to an image expansion device.
In one possible embodiment of the method according to the invention,
in a second aspect, there is provided an image processing apparatus comprising:
a processor and a memory for storing at least one instruction which is loaded and executed by the processor to implement the image processing method of the first aspect.
In a third aspect, an electronic device is provided, including:
the image processing apparatus of the second aspect;
image expansion means for receiving the processed image with resolution a1 × b sent by the image processing means and stretching the processed image in the first direction so that the processed image with resolution a1 × b is stretched into an image to be displayed with resolution a × b.
In one possible implementation, the electronic device further includes:
the spliced display panel is formed by splicing a first display panel and a second display panel;
the resolution of the tiled display panel is a x b.
In one possible embodiment, the resolution of the first display panel is a1 × b, and the resolution of the second display panel is a1 × b.
In a fourth aspect, an image processing method is provided for an electronic device, the image processing method including:
the image processing device acquires the resolution a multiplied by b to be displayed, wherein a is the number of pixels in the first direction, and b is the number of pixels in the second direction;
the image processing device allocates a memory space corresponding to an image with a resolution of a1 × b, and renders an initial image with a resolution of a1 × b1, a1 < a, b1 < b,
the image processing device stretches the initial image in the second direction, so that the initial image with the resolution of a1 × b1 is stretched into an image to be processed with the resolution of a1 × b;
the image processing device carries out image data processing on the image to be processed to obtain a processed image with the resolution of a1 multiplied by b;
the image processing device sends the processed image with the resolution of a1 × b to an image expansion device;
the image expansion device receives the processed image with the resolution of a1 × b sent by the image processing device, and stretches the processed image in the first direction, so that the processed image with the resolution of a1 × b is stretched into the image to be displayed with the resolution of a × b.
In one possible embodiment of the method according to the invention,
in a fifth aspect, there is provided a computer-readable storage medium having stored therein a computer program which, when run on a computer, causes the computer to perform the image processing method of the first or fourth aspect.
In the image processing method and the device thereof, the electronic device and the storage medium in the embodiment of the application, firstly, the SOC chip is used for distributing the memory space corresponding to the image with the resolution of a1 × b, and drawing the initial image with the resolution of a1 × b1, the image is stretched to the resolution of a1 × b by using a GPU or other hardware acceleration methods to form the image to be processed, and finally, the image to be processed is processed by using the display chip in the SOC chip, so that the processed a1 × b is stretched to the image to be displayed by using the image expanding device, that is, the function of processing the image data with higher resolution by using the display chip supporting lower resolution is realized, the SOC chip does not need to be replaced, and the cost is reduced.
Drawings
FIG. 1 is a schematic flowchart of an image processing method according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a region to be displayed according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram illustrating a comparison between an initial image and a memory space in an embodiment of the present application;
FIG. 4 is a schematic diagram illustrating a comparison between a size of a to-be-processed image and a size of a memory space according to an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of an image to be displayed according to an embodiment of the present application;
fig. 6 is a block diagram of an electronic device according to an embodiment of the present application;
fig. 7 is a flowchart illustrating another image processing method according to an embodiment of the present application.
Detailed Description
The terminology used in the description of the embodiments section of the present application is for the purpose of describing particular embodiments of the present application only and is not intended to be limiting of the present application.
As shown in fig. 1, an embodiment of the present application provides an image processing method for an image processing apparatus, which may be, for example, an SOC chip in an electronic device, the image processing method including:
specifically, the resolution to be displayed refers to a resolution currently used for displaying, for example, the resolution to be displayed may be a resolution of a display panel in an electronic device, or may also be a resolution of an external display panel of the electronic device, as shown in fig. 2, fig. 2 shows a region to be displayed, in this embodiment, a is 1600, b is 2560, that is, the resolution to be displayed is 1600 × 2560, and it is assumed that a maximum resolution that a display chip in an SOC chip can support is 1080 × 2560, it can be seen that the display chip cannot directly support the resolution to be displayed, it is assumed that a first direction is a transverse direction and a second direction is a longitudinal direction, in this embodiment, it is to be exemplified that the first direction is the transverse direction and the second direction is the longitudinal direction, and in other realizable embodiments, for example, the first direction may also be the longitudinal direction and the second direction is the transverse direction;
specifically, when the bottom layer notifies the application layer to draw a picture, the application layer is caused to draw an initial image with a smaller resolution size, where the resolution of the initial image is a1 × b1, for example, a1 is 800, and b1 is 1280, that is, the application layer draws an initial image with a resolution of 800 × 1280, but when the memory space corresponding to the image is allocated, the initial image data with a resolution of 800 × 2560 is written in the memory space with a resolution of 800 × 2560, as shown in fig. 3.
103, stretching the initial image in a second direction to enable the initial image with the resolution of a1 × b1 to be stretched into an image to be processed with the resolution of a1 × b;
specifically, as shown in fig. 4, in step 103, the initial image may be stretched in the longitudinal direction by a Graphics Processing Unit (GPU) or other hardware 2D acceleration method, so that the initial image is stretched into a to-be-processed image with a resolution of 800 × 2560, and the to-be-processed image may just use the memory space of 800 × 2560 allocated in step 102.
specifically, since the image to be processed with the resolution of 800 × 2560 is smaller than the maximum resolution 1080 × 2560 that the display chip can support, the display chip in the SOC chip may perform image data processing on the image to be processed with the resolution of 800 × 2560 to obtain a processed image with the resolution of 800 × 2560.
Specifically, as shown in fig. 5, the SOC chip sends the processed image with the resolution of 800 × 2560 to the image expansion device, so that the image expansion device stretches the processed image in the horizontal direction to an image with the resolution of 1600 × 2560, that is, the stretching effect of the SOC chip on the image in the longitudinal direction is cancelled, so that the finally obtained image to be displayed as shown in fig. 5 has the same proportion as the original image, and the resolution reaches the resolution to be displayed, and the image can be displayed in the area to be displayed as shown in fig. 2, without replacing the SOC chip with a new one, and only an image expansion device for stretching the image is required to be added.
In the image processing method in the embodiment of the application, firstly, the memory space corresponding to the image with the resolution of a1 × b is distributed through the SOC chip, the initial image with the resolution of a1 × b1 is drawn, the image is stretched to the resolution of a1 × b through the GPU or other hardware acceleration methods to form the image to be processed, and finally, the image data processing is performed on the image to be processed through the display chip in the SOC chip, so that the processed a1 × b is stretched into the image to be displayed of a × b through the image expansion device, that is, the function of processing the image data with higher resolution through the display chip supporting lower resolution is realized, the SOC chip does not need to be replaced, and the cost is reduced.
In one possible embodiment of the method according to the invention,
it should be noted that the above specific resolution parameters are only examples, and the embodiments of the present application do not limit the resolution to be displayed as long as the maximum resolution supported by the image processing apparatus is greater than a1 × b, and theoretically, the maximum achievable expansion of the display resolution is twice the maximum resolution supported by the image processing apparatus.
An embodiment of the present application further provides an image processing apparatus, including: a processor and a memory for storing at least one instruction which is loaded and executed by the processor to implement the image processing method described above. The image processing apparatus may be, for example, an SOC chip in an electronic device. The specific process and principle of the image processing method are the same as those of the above embodiments, and are not described herein again.
The number of the processors may be one or more, and the processors and the memories may be connected by a bus or other means. The memory, which is a non-transitory computer readable storage medium, may be used to store non-transitory software programs, non-transitory computer executable programs, and modules, and the processor executes the non-transitory software programs, instructions, and modules stored in the memory to execute various functional applications and data processing, i.e., implement the methods in any of the above method embodiments. The memory may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; and necessary data, etc. Further, the memory may include high speed random access memory, and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid state storage device.
As shown in fig. 6, an embodiment of the present application further provides an electronic device, including: an image processing apparatus 1; and the image expanding device 2 is used for receiving the processed image with the resolution of a1 multiplied by b sent by the image processing device 1, and stretching the processed image in the first direction to ensure that the processed image with the resolution of a1 multiplied by b is stretched into the image to be displayed with the resolution of a multiplied by b.
The specific operation process and principle of the image processing apparatus 1 are the same as those of the above embodiments, and are not described herein again. The electronic device may be any product or component with a display function, such as a display, a mobile phone, a television, a tablet computer, a navigator, a watch, a bracelet, and the like.
In one possible implementation, the electronic device further includes: a tiled display panel 3 formed by tiling a first display panel 31 and a second display panel 32; the resolution of the tiled display panel 3 is a × b.
In one possible embodiment, the resolution of the first display panel 31 is a1 × b, and the resolution of the second display panel 32 is a1 × b.
As shown in fig. 7, an embodiment of the present application further provides an image processing method for an electronic device, where the image processing method includes:
step 205, the image processing apparatus 1 transmits the processed image with the resolution of a1 × b to the image expansion apparatus 2;
Specifically, the specific processes of steps 201 to 205 are the same as those of steps 101 to 105, and are not described herein again. The first Display panel 31 and the second Display panel 32 may be Liquid Crystal Display (LCD) panels, for example.
In one possible embodiment of the method according to the invention,
an embodiment of the present application further provides a computer-readable storage medium, in which a computer program is stored, and when the computer program runs on a computer, the computer is caused to execute the image processing method in any of the above embodiments.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the procedures or functions described in accordance with the present application are generated, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by wire (e.g., coaxial cable, fiber optic, digital subscriber line) or wirelessly (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk), among others.
In the embodiments of the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, and means that there may be three relationships, for example, a and/or B, and may mean that a exists alone, a and B exist simultaneously, and B exists alone. Wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" and similar expressions refer to any combination of these items, including any combination of singular or plural items. For example, at least one of a, b, and c may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or multiple.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. An image processing method for an image processing apparatus, the image processing method comprising:
acquiring a resolution a multiplied by b to be displayed, wherein a is the number of pixels in a first direction, and b is the number of pixels in a second direction;
allocating memory space corresponding to the image with the resolution of a1 multiplied by b, drawing an initial image with the resolution of a1 multiplied by b1, wherein a1 is less than a, b1 is less than b,
stretching the initial image in the second direction to enable the initial image with the resolution of a1 × b1 to be stretched into an image to be processed with the resolution of a1 × b;
processing the image data of the image to be processed to obtain a processed image with the resolution of a1 multiplied by b;
and sending the processed image with the resolution of a1 × b to an image expansion device.
2. The image processing method according to claim 1,
3. an image processing apparatus characterized by comprising:
a processor and a memory for storing at least one instruction which is loaded and executed by the processor to implement the image processing method of claim 1 or 2.
4. An electronic device, comprising:
an image processing apparatus according to claim 3;
image expansion means for receiving the processed image with resolution a1 × b sent by the image processing means and stretching the processed image in the first direction so that the processed image with resolution a1 × b is stretched into an image to be displayed with resolution a × b.
5. The electronic device of claim 4, further comprising:
the spliced display panel is formed by splicing a first display panel and a second display panel;
the resolution of the tiled display panel is a x b.
6. The electronic device of claim 5,
the resolution of the first display panel is a1 × b, and the resolution of the second display panel is a1 × b.
7. An image processing method for an electronic device, the image processing method comprising:
the image processing device acquires the resolution a multiplied by b to be displayed, wherein a is the number of pixels in the first direction, and b is the number of pixels in the second direction;
the image processing device allocates a memory space corresponding to an image with a resolution of a1 × b, and renders an initial image with a resolution of a1 × b1, a1 < a, b1 < b,
the image processing device stretches the initial image in the second direction, so that the initial image with the resolution of a1 × b1 is stretched into an image to be processed with the resolution of a1 × b;
the image processing device carries out image data processing on the image to be processed to obtain a processed image with the resolution of a1 multiplied by b;
the image processing device sends the processed image with the resolution of a1 × b to an image expansion device;
the image expansion device receives the processed image with the resolution of a1 × b sent by the image processing device, and stretches the processed image in the first direction, so that the processed image with the resolution of a1 × b is stretched into the image to be displayed with the resolution of a × b.
8. The image processing method according to claim 7,
9. a computer-readable storage medium, in which a computer program is stored which, when run on a computer, causes the computer to perform the image processing method according to any one of claims 1, 2, 7 and 8.
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| CN202011592218.2A CN112712464B (en) | 2020-12-29 | 2020-12-29 | Image processing method and device, electronic device and storage medium |
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| CN202011592218.2A CN112712464B (en) | 2020-12-29 | 2020-12-29 | Image processing method and device, electronic device and storage medium |
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