CN116109469B - Baseboard management controller, image display method, device and computer medium - Google Patents
Baseboard management controller, image display method, device and computer medium Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/20—Processor architectures; Processor configuration, e.g. pipelining
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- 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
- G06F3/1407—General aspects irrespective of display type, e.g. determination of decimal point position, display with fixed or driving decimal point, suppression of non-significant zeros
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/0021—Image watermarking
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The application discloses a substrate management controller, an image display method, equipment and a computer medium, and relates to the technical field of image processing, wherein the method is applied to the substrate management controller in a server and acquires an initial image to be displayed; acquiring a target digital watermark corresponding to an initial image; embedding the target digital watermark into the initial image to obtain a target image; and transmitting the target image to a display for displaying. In the application, the substrate management controller in the server can embed the target digital watermark into the initial image to obtain the target image, and can transmit the target image to the display for display, namely, the substrate management controller is improved, so that the watermark image can be generated in the substrate management controller, the central processing unit resource of the server is not required to be consumed, and the watermark image can be conveniently transplanted in the substrate management controller, so that the applicability is good. The baseboard management controller, the electronic equipment and the computer readable storage medium provided by the application have corresponding technical effects.
Description
Technical Field
The present invention relates to the field of image processing technologies, and in particular, to a substrate management controller, an image display method, an image display device, and a computer medium.
Background
Currently, in the process of displaying an image, a server may add a digital watermark to the image by means of software, and display the image to which the digital watermark is added. However, the execution of this method depends on software, and the execution of the software consumes the CPU (central processing unit ) resources of the server, and portability is poor, making the image display method less applicable.
In view of the above, how to improve the applicability of the image display method is a problem to be solved by those skilled in the art.
Disclosure of Invention
The object of the present application is to provide an image display method which can solve the technical problem how to improve the applicability of the image display method to a certain extent. The application also provides a baseboard management controller, electronic equipment and a computer readable storage medium.
In order to achieve the above object, the present application provides the following technical solutions:
an image display method applied to a baseboard management controller in a server, comprising:
Acquiring an initial image to be displayed;
acquiring a target digital watermark corresponding to the initial image;
embedding the target digital watermark into the initial image to obtain a target image;
and transmitting the target image to a display for displaying.
Preferably, the obtaining the target digital watermark corresponding to the initial image includes:
acquiring the display resolution of the initial image;
and acquiring the target digital watermark with the resolution consistent with the display resolution.
Preferably, the obtaining the target digital watermark corresponding to the initial image includes:
acquiring an original digital watermark stored in the baseboard management controller;
and selecting the target digital watermark corresponding to the initial image from the original digital watermark.
Preferably, the obtaining the target digital watermark corresponding to the initial image includes:
acquiring a coded digital watermark corresponding to the initial image stored in the baseboard management controller;
and decoding the coded digital watermark to obtain the target digital watermark.
Preferably, the obtaining the target digital watermark corresponding to the initial image includes:
acquiring a coded digital watermark stored in the baseboard management controller;
Decoding the coded digital watermark to obtain an original digital watermark;
and selecting the target digital watermark corresponding to the initial image from the original digital watermarks.
Preferably, the selecting the target digital watermark corresponding to the initial image from the original digital watermarks includes:
selecting a digital watermark to be selected corresponding to the initial image from the original digital watermarks;
acquiring editing information of the digital watermark to be selected;
and editing the digital watermark to be selected based on the editing information to obtain the target digital watermark.
Preferably, the location identifier of the pixel in the target digital watermark includes a first identifier and a second identifier, where the first identifier is used to characterize that the corresponding pixel in the target digital watermark is a watermark identifier pixel, and the second identifier is used to characterize that the corresponding pixel in the target digital watermark is a background image pixel;
the embedding the target digital watermark into the initial image to obtain a target image comprises the following steps:
for each target pixel in the initial image, discarding the lowest bit of the target pixel if the position identifier of the pixel with the same position as the position of the target pixel in the target digital watermark is the first identifier, and keeping the target pixel unchanged if the position identifier of the pixel with the same position as the position of the target pixel in the target digital watermark is the second identifier; and after all target pixels in the initial image are processed, obtaining the target image.
A baseboard management controller comprising a baseboard management controller processor, an image display controller, a watermark generation device:
the image display controller is used for acquiring an initial image to be displayed; transmitting the target image to a display for display;
the baseboard management controller processor is used for acquiring a target digital watermark corresponding to the initial image;
the watermark generation device is used for embedding the target digital watermark into the initial image to obtain the target image.
Preferably, the process of obtaining the target digital watermark corresponding to the initial image by the baseboard management controller processor includes: acquiring the display resolution of the initial image; and acquiring the target digital watermark with the resolution consistent with the display resolution.
Preferably, the device further comprises a watermark storage device;
the process of obtaining the target digital watermark corresponding to the initial image by the baseboard management controller processor comprises the following steps: and selecting the target digital watermark corresponding to the initial image from the original digital watermark stored in the watermark storage device.
Preferably, the watermark decoding device is further included;
the process of acquiring the target digital watermark corresponding to the initial image by the baseboard management controller processor comprises the steps of controlling the watermark storage device to transmit the selected coded digital watermark corresponding to the initial image to the watermark decoding device; and controlling the watermark decoding device to decode the coded digital watermark to obtain the target digital watermark.
Preferably, the watermark decoding device is further included;
the process of obtaining the target digital watermark corresponding to the initial image by the baseboard management controller processor comprises the following steps: controlling the baseboard management controller to transmit the stored coded digital watermark to the watermark decoding device; controlling the watermark decoding device to decode the coded digital watermark to obtain an original digital watermark; and selecting the target digital watermark corresponding to the initial image from the original digital watermarks.
Preferably, the process of selecting the target digital watermark corresponding to the initial image from the original digital watermarks by the baseboard management controller includes: selecting a digital watermark to be selected corresponding to the initial image from the original digital watermarks; acquiring editing information of the digital watermark to be selected; and editing the digital watermark to be selected based on the editing information to obtain the target digital watermark.
Preferably, the location identifier of the pixel in the target digital watermark includes a first identifier and a second identifier, where the first identifier is used to characterize that the corresponding pixel in the target digital watermark is a watermark identifier pixel, and the second identifier is used to characterize that the corresponding pixel in the target digital watermark is a background image pixel;
The watermark generating device embeds the target digital watermark into the initial image to obtain the target image, and the process comprises the following steps: for each target pixel in the initial image, discarding the lowest bit of the target pixel if the position identifier of the pixel with the same position as the position of the target pixel in the target digital watermark is the first identifier, and keeping the target pixel unchanged if the position identifier of the pixel with the same position as the position of the target pixel in the target digital watermark is the second identifier; and after all target pixels in the initial image are processed, obtaining the target image.
Preferably, the method further comprises:
and the video memory is used for storing the initial image and/or the target image.
Preferably, the method further comprises:
and the high-speed serial computer expansion bus interface is used for transmitting the initial image sent by the central processing unit of the server to the image display controller.
Preferably, the high-speed serial computer expansion bus interface is further configured to: transmitting the configuration information sent by the central processing unit to the image display controller;
the image display controller is further configured to: and carrying out working configuration based on the configuration information.
Preferably, the image display controller comprises a controller built based on a video graphic array.
An electronic device, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the image display method as described in any one of the above when executing the computer program.
A computer readable storage medium having stored therein a computer program which when executed by a processor performs the steps of the image display method as described in any one of the above.
The image display method is applied to a substrate management controller in a server and used for acquiring an initial image to be displayed; acquiring a target digital watermark corresponding to an initial image; embedding the target digital watermark into the initial image to obtain a target image; and transmitting the target image to a display for displaying. In the application, the substrate management controller in the server can embed the target digital watermark into the initial image to be displayed to obtain the target image, and can transmit the target image to the display for displaying, namely, the application improves the substrate management controller, so that the watermark image can be generated in the substrate management controller, the central processing unit resource of the server is not required to be consumed, and the watermark image can be conveniently transplanted in the substrate management controller, so that the applicability is good. The application provides a baseboard management controller, electronic equipment and a computer readable storage medium, which also solve corresponding technical problems.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings may be obtained according to the provided drawings without inventive effort to a person skilled in the art.
Fig. 1 is a first schematic diagram of an image display method according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a digital watermark of the present application;
fig. 3 is a second schematic diagram of an image display method according to an embodiment of the present application;
fig. 4 is a third schematic diagram of an image display method according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a baseboard management controller according to an embodiment of the present application;
fig. 6 is a first schematic structural diagram of an electronic device according to an embodiment of the present application;
fig. 7 is a second schematic structural diagram of an electronic device according to an embodiment of the present application;
wherein 101 denotes a baseboard management controller processor; 102 denotes an image display controller; 103 denotes watermark generation means; 104 represents a watermark storage apparatus; 105 represents a watermark decoding device; 106 represents a video memory; 107 represents a high-speed serial computer expansion bus interface; 201 denotes a memory; 202 denotes a processor; 203 denotes an input port; 204 denotes a display unit; 205 denotes a communication module.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Currently, in the process of displaying an image, a server may add a digital watermark to the image by means of software, and display the image to which the digital watermark is added. However, the execution of this method depends on software, and the execution of the software consumes the CPU (central processing unit ) resources of the server, and portability is poor, making the image display method less applicable. The scheme provided by the application can improve the applicability of the image display method.
Referring to fig. 1, fig. 1 is a first schematic diagram of an image display method according to an embodiment of the present application.
The image display method provided by the embodiment of the application is applied to a substrate management controller in a server, and can comprise the following steps:
Step S101: and acquiring an initial image to be displayed.
In practical applications, the baseboard management controller (Baseboard Management Controller, BMC) may acquire an initial image to be displayed first, specifically, may acquire an image and the like transmitted to the baseboard management controller by the CPU in the server through the PCIe (peripheral component interconnect express, high-speed serial computer expansion bus) interface, and the content of the initial image may be determined according to actual needs, for example, the initial image may be a server identification image, a boot image, an image selected by a user, and the application is not limited specifically herein.
Step S102: and acquiring a target digital watermark corresponding to the initial image.
In practical applications, after acquiring an initial image to be displayed, the baseboard management controller may acquire a target digital watermark corresponding to the initial image, so as to embed the target digital watermark into the initial image.
It should be noted that, the digital watermark in the present application refers to an image generated based on a digital watermark technology, and the digital watermark technology refers to embedding specific identification information by using a signal processing method to content to be protected, such as an image, an audio, a video, etc., so as to perform a certain identification and protection function on a protected object, where the embedded identification signal may be visible or invisible; by extracting the identification signals, the purposes of copyright tracking, copyright statement, content tamper resistance and the like of the multimedia content can be realized; in other words, the target digital watermark is embedded in the initial image, so that the protection of the image content can be improved. In addition, it should be noted that the shape of the target digital watermark may be determined according to actual needs, for example, the shape of the target digital watermark may be a user-set I-type, P-type, T-type, or other identifier shape, which is not specifically limited herein.
Step S103: and embedding the target digital watermark into the initial image to obtain a target image.
In practical application, after obtaining the target digital watermark corresponding to the initial image, the baseboard management controller can embed the target digital watermark into the initial image to obtain the target image containing the digital watermark.
In a specific application scene, in order to facilitate storage and application of a target digital watermark, the position identification of a pixel in the target digital watermark can be set to include a first identification and a second identification, wherein the first identification is used for representing that a corresponding pixel in the target digital watermark is a watermark identification pixel, the second identification is used for representing that a corresponding pixel in the target digital watermark is a background image pixel, the first identification can be 1, the second identification can be 2 and the like, for example, the position identification of the pixel of the I-type digital watermark is shown as in fig. 2, so that whether watermark processing is carried out on the pixel can be quickly determined only by judging the position identification of the pixel of the digital watermark; the method for embedding the target digital watermark into the initial image can be determined according to specific application scenes, for example, the target digital watermark can be embedded into the initial image by a minimum bit discarding method, specifically, for each target pixel in the initial image, if the position identifier of the pixel with the same position as the target pixel in the target digital watermark is a first identifier, discarding the minimum bit of the target pixel, and if the position identifier of the pixel with the same position as the target pixel in the target digital watermark is a second identifier, keeping the target pixel unchanged; and after all the target pixels in the initial image are processed, obtaining a target image. For ease of understanding, assuming that the original pixel value is RGB888, 24'hfffff, and the discard of the lowest 4 bits is set, the R/G/B component of each pixel is discarded as the lowest bit, and the discard result is 24' hf0f0f0.
Step S104: and transmitting the target image to a display for displaying.
In practical applications, after embedding the target digital watermark into the initial image to obtain the target image, the baseboard management controller may transmit the target image to the display for display, specifically, may transmit the target image to the display for display through a video graphics array (Video Graphics Array, VGA) interface or a high-definition multimedia interface (High Definition Multimedia Interface, HDMI) or a digital video interface (DisplayPort, DP), and may transmit the target image to the display for display according to a display timing of the target image.
It should be noted that, in a specific application scenario, the baseboard management controller may determine whether to add a digital watermark in an image according to an obtained user control instruction, that is, after the baseboard management controller determines that the digital watermark is added in the image according to the user control instruction, the baseboard management controller may perform display processing on the image according to the image display method of the present application, and after determining that the digital watermark is not added in the image according to the user control instruction, may directly transmit the initial image to a display for display after obtaining the initial image to be displayed, which is not limited herein.
The image display method is applied to a substrate management controller in a server and used for acquiring an initial image to be displayed; acquiring a target digital watermark corresponding to an initial image; embedding the target digital watermark into the initial image to obtain a target image; and transmitting the target image to a display for displaying. In the application, the substrate management controller in the server can embed the target digital watermark into the initial image to be displayed to obtain the target image, and can transmit the target image to the display for displaying, namely, the application improves the substrate management controller, so that the watermark image can be generated in the substrate management controller, the central processing unit resource of the server is not required to be consumed, and the watermark image can be conveniently transplanted in the substrate management controller, so that the applicability is good.
Referring to fig. 3, fig. 3 is a second schematic diagram of an image display method according to an embodiment of the present application.
On the basis of the foregoing embodiments, the image display method provided in the embodiments of the present application is applied to a baseboard management controller in a server, and may include the following steps:
step S201: and acquiring an initial image to be displayed.
Step S202: acquiring the display resolution of an initial image; and obtaining the target digital watermark with the resolution consistent with the display resolution.
In practical application, the substrate management controller can acquire the display resolution of the initial image in the process of acquiring the target digital watermark corresponding to the initial image, considering that the image displayed by the substrate management controller by means of the display has corresponding resolution requirement; and obtaining the target digital watermark with the resolution consistent with the display resolution. That is, the baseboard management controller can store a plurality of digital watermarks with different resolutions in advance, so that after the initial image is acquired, the target digital watermark can be quickly obtained by only selecting the digital watermark with the resolution consistent with the display resolution of the initial image. For ease of understanding, assuming that three types of digital watermarks having resolutions of 1024×768, 1280×1024, 1600×1200 are stored in the baseboard management controller and the display resolution of the initial image is 1280×1024, the baseboard management controller may take the digital watermark having the resolution of 1280×1024 as the target digital watermark or the like.
Of course, in a specific application scenario, the resolution, the digital watermark type, and the like may be combined to obtain the target digital watermark, for example, the substrate management controller stores the class a digital watermark and the class B digital watermark with the resolutions of 1024×768, 1280×1024, 1600×1200, and the like, and if the display resolution of the initial image is 1600×1200 and the type of the digital watermark to be added is class a, the substrate management controller may use the class a digital watermark with the resolution of 1600×1200 as the target digital watermark, and the application is not limited herein.
Step S203: and embedding the target digital watermark into the initial image to obtain a target image.
Step S204: and transmitting the target image to a display for displaying.
Referring to fig. 4, fig. 4 is a third schematic diagram of an image display method according to an embodiment of the present application.
On the basis of the foregoing embodiments, the image display method provided in the embodiments of the present application is applied to a baseboard management controller in a server, and may include the following steps:
step S301: and acquiring an initial image to be displayed.
Step S302: acquiring a coded digital watermark corresponding to an initial image stored in a baseboard management controller; and decoding the coded digital watermark to obtain the target digital watermark.
In practical application, considering that the digital watermark occupies the storage space of the baseboard management controller, in order to relieve the storage pressure of the baseboard management controller, the digital watermark can be encoded and stored in the baseboard management controller, and correspondingly, the baseboard management controller can directly acquire the encoded digital watermark corresponding to the initial image stored in the baseboard management controller in the process of acquiring the target digital watermark corresponding to the initial image; and decoding the coded digital watermark to obtain the target digital watermark. The manner of encoding and decoding the digital watermark may be determined according to actual needs, for example, a run-length encoding (RLE) manner.
In practical application, the baseboard management controller can also acquire the coded digital watermark stored in the baseboard management controller in the process of acquiring the target digital watermark corresponding to the initial image; decoding the coded digital watermark to obtain a corresponding original digital watermark; and selecting a target digital watermark corresponding to the initial image from the original digital watermarks. Specifically, in order to meet the control requirement of the user on the digital watermark, the baseboard management controller can select the digital watermark to be selected corresponding to the initial image from the original digital watermark in the process of selecting the target digital watermark corresponding to the initial image from the original digital watermark; acquiring editing information of a digital watermark to be selected; editing the digital watermark to be selected based on the editing information to obtain the target digital watermark.
It should be noted that, when the digital watermark occupies less memory space of the baseboard management controller, the baseboard management controller may directly store the original digital watermark, and correspondingly, in the process of obtaining the target digital watermark corresponding to the initial image, the original digital watermark stored in the baseboard management controller may be obtained; and selecting a target digital watermark corresponding to the initial image from the original digital watermarks.
Step S303: and embedding the target digital watermark into the initial image to obtain a target image.
Step S304: and transmitting the target image to a display for displaying.
In order to facilitate understanding of the image display method provided in the present application, the image display method provided in the present application will now be described in connection with a performance parameter image display process of a server, and the process thereof may be as follows:
the central processing unit of the server transmits the original watermark images with different resolutions to the baseboard management controller through the PCIe interface; the position marks of the pixels in the original digital watermark comprise a first mark and a second mark, wherein the first mark is used for representing that the corresponding pixels in the original digital watermark are watermark mark pixels, and the second mark is used for representing that the corresponding pixels in the original digital watermark are background image pixels;
the baseboard management controller encodes the original digital watermarks with different resolutions to obtain encoded digital watermarks and stores the encoded digital watermarks;
the central processing unit transmits the performance parameter image to the baseboard management controller;
the substrate management controller determines the display resolution of the performance parameter image, and selects the coded digital watermark with the resolution consistent with the display resolution for decoding to obtain a target digital watermark;
For each target pixel in the performance parameter image, if the position mark of the pixel with the same position as the target pixel in the target digital watermark is a first mark, the substrate management controller discards the lowest position of the target pixel, and if the position mark of the pixel with the same position as the target pixel in the target digital watermark is a second mark, the substrate management controller keeps the target pixel unchanged; after all target pixels in the performance parameter image are processed, obtaining the performance parameter image added with the digital watermark;
and the baseboard management controller transmits the performance parameter image added with the digital watermark to the display for displaying through the VGA interface.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a baseboard management controller according to an embodiment of the present application.
The embodiment of the application provides a baseboard management controller, which comprises a baseboard management controller processor 101, an image display controller 102 and a watermark generation device 103;
an image display controller 102 for acquiring an initial image to be displayed; transmitting the target image to a display for display;
a baseboard management controller processor 101 for acquiring a target digital watermark corresponding to an initial image;
Watermark generation means 103 for embedding the target digital watermark into the initial image to obtain the target image.
The application provides a baseboard management controller, which comprises a baseboard management controller processor, an image display controller and a watermark generation device; the image display controller is used for acquiring an initial image to be displayed; transmitting the target image to a display for display; a baseboard management controller processor for acquiring a target digital watermark corresponding to the initial image; and the watermark generating device is used for embedding the target digital watermark into the initial image to obtain a target image. In the application, the substrate management controller in the server can embed the target digital watermark into the initial image to be displayed by means of the watermark generation device to obtain the target image, and the target image can be transmitted to the display for display by means of the image display controller, namely, the application improves the substrate management controller, so that the watermark image can be generated in the substrate management controller, the central processor resource of the server is not required to be consumed, and the target image can be conveniently transplanted in the substrate management controller, so that the applicability is good. In addition, the watermark generation device and the image display controller are arranged in the baseboard management controller, so that the baseboard management controller processor can add the digital watermark to the initial image by controlling the watermark generation device and the image display controller, the baseboard management controller processor is prevented from adding the digital watermark to the initial image, the resource of the baseboard management controller processor can be saved, the performance of the baseboard management controller processor is prevented from being excessively consumed, and the processing stability of other services except the digital watermark adding and display services of the baseboard management controller is ensured.
The process of obtaining the target digital watermark corresponding to the initial image by the baseboard management controller provided in the embodiment of the present application may specifically be: acquiring the display resolution of an initial image; and obtaining the target digital watermark with the resolution consistent with the display resolution.
The baseboard management controller provided in the embodiments of the present application may further include a watermark storage device 104;
the process of obtaining the target digital watermark corresponding to the initial image by the baseboard management controller processor may be specifically: and selecting a target digital watermark corresponding to the initial image from the original digital watermarks stored in the watermark storage device.
The baseboard management controller provided in the embodiments of the present application may further include a watermark decoding device 105;
the process of obtaining the target digital watermark corresponding to the initial image by the baseboard management controller processor may be specifically: controlling a watermark storage device to transmit the selected coded digital watermark corresponding to the initial image to a watermark decoding device; and controlling the watermark decoding device to decode the coded digital watermark to obtain the target digital watermark.
The baseboard management controller provided in the embodiments of the present application may further include a watermark decoding device 105;
The process of obtaining the target digital watermark corresponding to the initial image by the baseboard management controller processor may be specifically: controlling the baseboard management controller to transmit the stored coded digital watermark to the watermark decoding device; controlling a watermark decoding device to decode the coded digital watermark to obtain an original digital watermark; and selecting a target digital watermark corresponding to the initial image from the original digital watermarks.
The process of selecting, by the baseboard management controller, the target digital watermark corresponding to the initial image from the original digital watermarks provided by the embodiment of the present application may be specifically: selecting a digital watermark to be selected corresponding to the initial image from the original digital watermarks; acquiring editing information of a digital watermark to be selected; editing the digital watermark to be selected based on the editing information to obtain the target digital watermark.
The position identification of the pixels in the target digital watermark comprises a first identification and a second identification, wherein the first identification is used for representing that the corresponding pixels in the target digital watermark are watermark identification pixels, and the second identification is used for representing that the corresponding pixels in the target digital watermark are background image pixels;
The process of embedding the target digital watermark into the initial image by the watermark generating device to obtain the target image may be specifically: for each target pixel in the initial image, discarding the lowest position of the target pixel if the position mark of the pixel with the same position as the position of the target pixel in the target digital watermark is the first mark, and keeping the target pixel unchanged if the position mark of the pixel with the same position as the position of the target pixel in the target digital watermark is the second mark; and after all the target pixels in the initial image are processed, obtaining a target image.
The embodiment of the application provides a baseboard management controller, which may further include:
and a display memory 106 for storing the initial image and/or the target image.
The embodiment of the application provides a baseboard management controller, which may further include:
a high-speed serial computer expansion bus interface 107 for transmitting the initial image sent by the central processor of the server to the image display controller.
The baseboard management controller provided by the embodiment of the application, the high-speed serial computer expansion bus interface, can also be used for: transmitting the configuration information sent by the central processing unit to the image display controller;
The image display controller may also be configured to: and performing work configuration based on the configuration information. The working configuration information and specific working configuration operation of the image display controller can be determined according to actual needs, and the application is not specifically limited herein.
The embodiment of the application provides a baseboard management controller, and an image display controller can comprise a controller built based on a video graphic array.
In order to facilitate understanding of the baseboard management controller provided in the present application, the operation of the baseboard management controller provided in the present application will now be described in conjunction with the performance parameter image display procedure of the server, and the procedure may be as follows:
the baseboard management controller processor sends original watermark images with different resolutions to the watermark storage device in advance; the position marks of the pixels in the original digital watermark comprise a first mark and a second mark, wherein the first mark is used for representing that the corresponding pixels in the original digital watermark are watermark mark pixels, and the second mark is used for representing that the corresponding pixels in the original digital watermark are background image pixels;
the watermark storage device encodes the original digital watermarks with different resolutions to obtain encoded digital watermarks and stores the encoded digital watermarks;
The central processing unit in the server transmits the performance parameter image to the image display controller in the baseboard management controller through the PCIe interface;
the image display controller transmits the performance parameter image to the watermark generating device;
the baseboard management controller processor determines the display resolution of the performance parameter image and controls the watermark storage device to select the coded digital watermark with the resolution consistent with the display resolution and transmit the coded digital watermark to the watermark decoding device;
the baseboard management controller processor controls the watermark decoding device to decode the coded digital watermark, obtain a target digital watermark and transmit the target digital watermark to the watermark generating device;
for each target pixel in the performance parameter image, if the position mark of the pixel with the same position as the target pixel in the target digital watermark is a first mark, discarding the lowest position of the target pixel, and if the position mark of the pixel with the same position as the target pixel in the target digital watermark is a second mark, keeping the target pixel unchanged; after all target pixels in the performance parameter image are processed, obtaining the performance parameter image added with the digital watermark;
the watermark generating device stores the performance parameter image added with the digital watermark into a video memory;
The image display controller determines the display time sequence of the performance parameter image, and reads the performance parameter image added with the digital watermark from the video memory according to the display time sequence;
and the image display controller transmits the performance parameter image added with the digital watermark to the display for displaying through the VGA interface.
The application also provides electronic equipment and a computer readable storage medium, which have the corresponding effects of the image display method. Referring to fig. 6, fig. 6 is a schematic diagram of a first structure of an electronic device according to an embodiment of the present application.
The electronic device provided in the embodiment of the present application is applied to a baseboard management controller, and includes a memory 201 and a processor 202, where the memory 201 stores a computer program, and the processor 202 implements the following steps when executing the computer program:
acquiring an initial image to be displayed;
acquiring a target digital watermark corresponding to an initial image;
embedding the target digital watermark into the initial image to obtain a target image;
and transmitting the target image to a display for displaying.
The electronic device provided by the application is applied to a baseboard management controller, and comprises a memory and a processor, wherein the memory stores a computer program, and when the processor executes the computer program: acquiring an initial image to be displayed; acquiring a target digital watermark corresponding to an initial image; embedding the target digital watermark into the initial image to obtain a target image; and transmitting the target image to a display for displaying. In the application, the processor can embed the target digital watermark into the initial image to be displayed to obtain the target image, and can transmit the target image to the display for displaying, namely, the application improves the baseboard management controller through the electronic equipment, so that the watermark image can be generated in the baseboard management controller, the central processing unit resource of the server is not required to be consumed, and the watermark image can be conveniently transplanted in the baseboard management controller, so that the applicability is good.
The electronic device provided in the embodiment of the present application includes a memory 201 and a processor 202, where the memory 201 stores a computer program, and the processor 202 implements the following steps when executing the computer program: acquiring the display resolution of an initial image; and obtaining the target digital watermark with the resolution consistent with the display resolution.
The electronic device provided in the embodiment of the present application includes a memory 201 and a processor 202, where the memory 201 stores a computer program, and the processor 202 implements the following steps when executing the computer program: acquiring an original digital watermark stored in a baseboard management controller; and selecting a target digital watermark corresponding to the initial image from the original digital watermarks.
The electronic device provided in the embodiment of the present application includes a memory 201 and a processor 202, where the memory 201 stores a computer program, and the processor 202 implements the following steps when executing the computer program: acquiring a coded digital watermark corresponding to an initial image stored in a baseboard management controller; and decoding the coded digital watermark to obtain the target digital watermark.
The electronic device provided in the embodiment of the present application includes a memory 201 and a processor 202, where the memory 201 stores a computer program, and the processor 202 implements the following steps when executing the computer program: acquiring a coded digital watermark stored in a baseboard management controller; decoding the coded digital watermark to obtain an original digital watermark; and selecting a target digital watermark corresponding to the initial image from the original digital watermarks.
The electronic device provided in the embodiment of the present application includes a memory 201 and a processor 202, where the memory 201 stores a computer program, and the processor 202 implements the following steps when executing the computer program: selecting a digital watermark to be selected corresponding to the initial image from the original digital watermarks; acquiring editing information of a digital watermark to be selected; editing the digital watermark to be selected based on the editing information to obtain the target digital watermark.
The electronic device provided in the embodiment of the present application includes a memory 201 and a processor 202, where the memory 201 stores a computer program, and the processor 202 implements the following steps when executing the computer program: the position marks of the pixels in the target digital watermark comprise a first mark and a second mark, wherein the first mark is used for representing that the corresponding pixels in the target digital watermark are watermark mark pixels, and the second mark is used for representing that the corresponding pixels in the target digital watermark are background image pixels; for each target pixel in the initial image, discarding the lowest position of the target pixel if the position mark of the pixel with the same position as the position of the target pixel in the target digital watermark is the first mark, and keeping the target pixel unchanged if the position mark of the pixel with the same position as the position of the target pixel in the target digital watermark is the second mark; and after all the target pixels in the initial image are processed, obtaining a target image.
Referring to fig. 7, another electronic device provided in an embodiment of the present application may further include: an input port 203 connected to the processor 202 for transmitting an externally input command to the processor 202; a display unit 204 connected to the processor 202, for displaying the processing result of the processor 202 to the outside; and the communication module 205 is connected with the processor 202 and is used for realizing communication between the electronic device and the outside. The display unit 204 may be a display panel, a laser scanning display, or the like; communication means employed by the communication module 205 include, but are not limited to, mobile high definition link technology (HML), universal Serial Bus (USB), high Definition Multimedia Interface (HDMI), wireless connection: wireless fidelity (WiFi), bluetooth communication, bluetooth low energy communication, ieee802.11s based communication.
The embodiment of the application provides a computer readable storage medium, which is applied to a baseboard management controller, wherein the computer readable storage medium stores a computer program, and the computer program realizes the following steps when being executed by a processor:
acquiring an initial image to be displayed;
acquiring a target digital watermark corresponding to an initial image;
embedding the target digital watermark into the initial image to obtain a target image;
And transmitting the target image to a display for displaying.
The application provides a computer readable storage medium, which is applied to a baseboard management controller, wherein the computer readable storage medium stores a computer program, and the computer program is executed by a processor: acquiring an initial image to be displayed; acquiring a target digital watermark corresponding to an initial image; embedding the target digital watermark into the initial image to obtain a target image; and transmitting the target image to a display for displaying. In the application, the computer program can enable the baseboard management controller in the server to embed the target digital watermark into the initial image to be displayed to obtain the target image, and can transmit the target image to the display for displaying, namely, the baseboard management controller is improved through the computer program, so that the watermark image can be generated in the baseboard management controller, the central processor resource of the server is not required to be consumed, and the watermark image can be conveniently transplanted in the baseboard management controller, so that the applicability is good.
The embodiment of the application provides a computer readable storage medium, in which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented: acquiring the display resolution of an initial image; and obtaining the target digital watermark with the resolution consistent with the display resolution.
The embodiment of the application provides a computer readable storage medium, in which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented: acquiring an original digital watermark stored in a baseboard management controller; and selecting a target digital watermark corresponding to the initial image from the original digital watermarks.
The embodiment of the application provides a computer readable storage medium, in which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented: acquiring a coded digital watermark corresponding to an initial image stored in a baseboard management controller; and decoding the coded digital watermark to obtain the target digital watermark.
The embodiment of the application provides a computer readable storage medium, in which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented: acquiring a coded digital watermark stored in a baseboard management controller; decoding the coded digital watermark to obtain an original digital watermark; and selecting a target digital watermark corresponding to the initial image from the original digital watermarks.
The embodiment of the application provides a computer readable storage medium, in which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented: selecting a digital watermark to be selected corresponding to the initial image from the original digital watermarks; acquiring editing information of a digital watermark to be selected; editing the digital watermark to be selected based on the editing information to obtain the target digital watermark.
The embodiment of the application provides a computer readable storage medium, in which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented: the position marks of the pixels in the target digital watermark comprise a first mark and a second mark, wherein the first mark is used for representing that the corresponding pixels in the target digital watermark are watermark mark pixels, and the second mark is used for representing that the corresponding pixels in the target digital watermark are background image pixels; for each target pixel in the initial image, discarding the lowest position of the target pixel if the position mark of the pixel with the same position as the position of the target pixel in the target digital watermark is the first mark, and keeping the target pixel unchanged if the position mark of the pixel with the same position as the position of the target pixel in the target digital watermark is the second mark; and after all the target pixels in the initial image are processed, obtaining a target image.
The computer readable storage medium referred to in this application includes Random Access Memory (RAM), memory, read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The description of the relevant parts in the baseboard management controller, the electronic device and the computer readable storage medium provided in the embodiments of the present application is referred to the detailed description of the corresponding parts in the image display method provided in the embodiments of the present application, and will not be repeated here. In addition, the parts of the above technical solutions provided in the embodiments of the present application, which are consistent with the implementation principles of the corresponding technical solutions in the prior art, are not described in detail, so that redundant descriptions are avoided.
It is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (18)
1. An image display method, characterized by being applied to a baseboard management controller in a server, comprising:
acquiring an initial image to be displayed;
acquiring a target digital watermark corresponding to the initial image;
embedding the target digital watermark into the initial image to obtain a target image;
transmitting the target image to a display for display;
the position identification of the pixels in the target digital watermark comprises a first identification and a second identification, wherein the first identification is used for representing that the corresponding pixels in the target digital watermark are watermark identification pixels, and the second identification is used for representing that the corresponding pixels in the target digital watermark are background image pixels;
The embedding the target digital watermark into the initial image to obtain a target image comprises the following steps:
for each target pixel in the initial image, discarding the lowest bit of the target pixel if the position identifier of the pixel with the same position as the position of the target pixel in the target digital watermark is the first identifier, and keeping the target pixel unchanged if the position identifier of the pixel with the same position as the position of the target pixel in the target digital watermark is the second identifier; and after all target pixels in the initial image are processed, obtaining the target image.
2. The method of claim 1, wherein the obtaining a target digital watermark corresponding to the initial image comprises:
acquiring the display resolution of the initial image;
and acquiring the target digital watermark with the resolution consistent with the display resolution.
3. The method of claim 1, wherein the obtaining a target digital watermark corresponding to the initial image comprises:
acquiring an original digital watermark stored in the baseboard management controller;
and selecting the target digital watermark corresponding to the initial image from the original digital watermark.
4. The method of claim 1, wherein the obtaining a target digital watermark corresponding to the initial image comprises:
acquiring a coded digital watermark corresponding to the initial image stored in the baseboard management controller;
and decoding the coded digital watermark to obtain the target digital watermark.
5. The method of claim 1, wherein the obtaining a target digital watermark corresponding to the initial image comprises:
acquiring a coded digital watermark stored in the baseboard management controller;
decoding the coded digital watermark to obtain an original digital watermark;
and selecting the target digital watermark corresponding to the initial image from the original digital watermarks.
6. The method of claim 5, wherein selecting the target digital watermark from the original digital watermarks that corresponds to the original image comprises:
selecting a digital watermark to be selected corresponding to the initial image from the original digital watermarks;
acquiring editing information of the digital watermark to be selected;
and editing the digital watermark to be selected based on the editing information to obtain the target digital watermark.
7. A baseboard management controller, comprising a baseboard management controller processor, an image display controller, and a watermark generation device:
the image display controller is used for acquiring an initial image to be displayed; transmitting the target image to a display for display;
the baseboard management controller processor is used for acquiring a target digital watermark corresponding to the initial image;
the watermark generation device is used for embedding the target digital watermark into the initial image to obtain the target image;
the position identification of the pixels in the target digital watermark comprises a first identification and a second identification, wherein the first identification is used for representing that the corresponding pixels in the target digital watermark are watermark identification pixels, and the second identification is used for representing that the corresponding pixels in the target digital watermark are background image pixels;
the watermark generating device embeds the target digital watermark into the initial image to obtain the target image, and the process comprises the following steps: for each target pixel in the initial image, discarding the lowest bit of the target pixel if the position identifier of the pixel with the same position as the position of the target pixel in the target digital watermark is the first identifier, and keeping the target pixel unchanged if the position identifier of the pixel with the same position as the position of the target pixel in the target digital watermark is the second identifier; and after all target pixels in the initial image are processed, obtaining the target image.
8. The baseboard management controller of claim 7, wherein the baseboard management controller processor obtains a target digital watermark corresponding to the initial image, comprising: acquiring the display resolution of the initial image; and acquiring the target digital watermark with the resolution consistent with the display resolution.
9. The baseboard management controller of claim 7, further comprising a watermark storage device;
the process of obtaining the target digital watermark corresponding to the initial image by the baseboard management controller processor comprises the following steps: and selecting the target digital watermark corresponding to the initial image from the original digital watermark stored in the watermark storage device.
10. The baseboard management controller of claim 9, further comprising watermark decoding means;
the process of acquiring the target digital watermark corresponding to the initial image by the baseboard management controller processor comprises the steps of controlling the watermark storage device to transmit the selected coded digital watermark corresponding to the initial image to the watermark decoding device; and controlling the watermark decoding device to decode the coded digital watermark to obtain the target digital watermark.
11. The baseboard management controller of claim 9, further comprising watermark decoding means;
the process of obtaining the target digital watermark corresponding to the initial image by the baseboard management controller processor comprises the following steps: controlling the baseboard management controller to transmit the stored coded digital watermark to the watermark decoding device; controlling the watermark decoding device to decode the coded digital watermark to obtain an original digital watermark; and selecting the target digital watermark corresponding to the initial image from the original digital watermarks.
12. The baseboard management controller of claim 11, wherein the process of selecting the target digital watermark from the original digital watermarks that corresponds to the initial image comprises: selecting a digital watermark to be selected corresponding to the initial image from the original digital watermarks; acquiring editing information of the digital watermark to be selected; and editing the digital watermark to be selected based on the editing information to obtain the target digital watermark.
13. The baseboard management controller of claim 7, further comprising:
And the video memory is used for storing the initial image and/or the target image.
14. The baseboard management controller of claim 7, further comprising:
and the high-speed serial computer expansion bus interface is used for transmitting the initial image sent by the central processing unit of the server to the image display controller.
15. The baseboard management controller of claim 14, wherein the high-speed serial computer expansion bus interface is further configured to: transmitting the configuration information sent by the central processing unit to the image display controller;
the image display controller is further configured to: and carrying out working configuration based on the configuration information.
16. The baseboard management controller of claim 7, wherein the image display controller comprises a controller built based on a video graphics array.
17. An electronic device, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the image display method according to any one of claims 1 to 6 when executing the computer program.
18. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, implements the steps of the image display method according to any one of claims 1 to 6.
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