CN113014867A - Method for configuring pixel-level video - Google Patents
Method for configuring pixel-level video Download PDFInfo
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- CN113014867A CN113014867A CN202110182407.0A CN202110182407A CN113014867A CN 113014867 A CN113014867 A CN 113014867A CN 202110182407 A CN202110182407 A CN 202110182407A CN 113014867 A CN113014867 A CN 113014867A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000004927 fusion Effects 0.000 claims description 8
- 230000011218 segmentation Effects 0.000 claims description 4
- 230000003993 interaction Effects 0.000 claims description 3
- 238000013507 mapping Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 5
- 230000006798 recombination Effects 0.000 abstract description 3
- 238000005215 recombination Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 description 8
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004424 eye movement Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
Abstract
The invention aims to disclose a method for configuring pixel-level video, compared with the prior art, the method avoids the control of DCS on the content of the output end of a display picture, randomly cuts a plurality of existing single pictures, randomly splices the cut images into a new picture in real time, gets rid of the processes of carrying out picture reconfiguration, downloading, releasing and the like through traditional DCS software, does not destroy the display content of the existing DCS software, and achieves the purpose of infinitely reconstructing the picture through the recombination of video sources of a display terminal; the cross-platform video output calling is realized based on the dynamic video calling of the virtual display card, the limitation of the fixed video output of a DCS (distributed control system) platform is avoided, and the video control right is transferred to the virtual display card and a corresponding driver to realize the video output calling, so that the display is unlimited and intelligent; the method can be applied to a VDU (vertical video Unit) and a large-screen display system of a main control room operation station, enriches the display content of a video terminal, expands the autonomy and flexibility of an operator and realizes the aim of the invention.
Description
Technical Field
The present invention relates to a method for configuring a pixel-level video, and more particularly, to a method for dynamically calling and configuring a video and an image.
Background
A Distributed Control System (DCS) is an important component in the field of industrial control and is mainly used for data acquisition, transmission and monitoring. A large number of DCS monitoring pictures are adopted in the centralized monitoring room, and necessary process pictures, alarm and other comprehensive information are displayed, so that monitoring personnel can know the state of the power plant in real time. The DCS display requires a conventional Video Display Unit (VDU) and a large screen display, and the DCS configuration result is placed on a corresponding display terminal through a video signal.
The modification of the existing DCS picture needs to go through a series of processes of data logic modification of a control domain, downloading and picture configuration modification and release of a monitoring domain by virtue of DCS software. Some industrial fields do not allow monitoring personnel to directly modify the picture content, but need to modify the picture content by a third party (such as a design institute), and then perform configuration downloading by an instrumentation engineer or a DCS supplier, which is time-consuming, labor-consuming and long in period.
Therefore, a method for configuring a pixel-level video is particularly needed, which reconstructs the picture content at the video end on the basis of not changing the DCS output picture, and facilitates an operator to flexibly cut and splice the picture content, so as to solve the existing problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention realizes the calling, free cutting and combination of video expansion dynamic videos under the condition of limited physical video output, bypasses the physical limitation of the original DCS single-channel video end, carries out infinite reconstruction on the limited videos and puts the limited videos into an operation station VDU or a large-screen display terminal.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
a method for pixel-level video configuration, comprising the steps of:
(1) dynamic video calling: realizing many-to-many mapping and dynamic selection of virtual display cards and physical display cards by a Virtual KVM (VKVM) program, changing the calling of traditional DCS picture numbers into the calling of virtual display card numbers, dynamically selecting the required virtual display card numbers in the physical display cards, and realizing the dynamic calling of video display output;
(2) KVM network: the VDU video signal output after the VKVM program screening is accessed to a KVM network, the combination and the scheduling of the video of the display terminal are realized through the video keyboard mouse scheduling function of the KVM, and the video is sent to a splicing fusion device;
(3) cutting, splicing and fusing pixel-level images: the fine segmentation is carried out at the input end of a single-channel video signal source through a pixel-level image splicing fusion device, and segmented pixel pictures are flexibly reconstructed into a new display picture according to a specific mode, so that an operator can conveniently obtain personalized self-defined display contents.
In one embodiment of the present invention, the virtual kvm (vkvm) program also has human-machine interaction (e.g., voice, eye movement) or leaves an external application stimulus input channel to participate in the dynamic selection of the physical display output of the VDU host.
Compared with the prior art, the pixel-level video configuration method bypasses the content control of DCS on the output end of the display picture, randomly cuts a plurality of existing single pictures, randomly splices the cut images into a new picture in real time, gets rid of the processes of picture reconfiguration, downloading, release and the like through traditional DCS software, does not damage the display content of the existing DCS software, and achieves the purpose of picture infinite reconstruction through the recombination of video sources of a display terminal; the cross-platform video output calling is realized based on the dynamic video calling of the virtual display card, the limitation of the fixed video output of a DCS (distributed control system) platform is avoided, and the video control right is transferred to the virtual display card and a corresponding driver to realize the video output calling, so that the display is unlimited and intelligent; the method can be applied to a VDU (vertical video Unit) and a large-screen display system of a main control room operation station, enriches the display content of a video terminal, expands the autonomy and flexibility of an operator and realizes the aim of the invention.
The features of the present invention will be apparent from the accompanying drawings and from the detailed description of the preferred embodiments which follows.
Drawings
FIG. 1 is a block diagram of a method for pixel-level video configuration according to the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Examples
As shown in fig. 1, the method for pixel-level video configuration according to the present invention comprises the following steps:
(1) dynamic video calling:
the method realizes the many-to-many mapping and dynamic selection of the virtual display card and the physical display card through a Virtual KVM (VKVM) program, changes the calling of the traditional DCS picture number into the calling of the virtual display card number, dynamically selects the required virtual display card number in the physical display card, and realizes the dynamic calling of video display output.
Under the condition that the channel of the physical display card reserved in the video matrix is limited (such as 20 physical display cards), in order to achieve the purpose of freely and dynamically calling about 200 display pictures, the original video scheduling right is moved from DCS to the display card, namely: and simultaneously displaying 200+ display pictures in 200+ virtual display cards in advance.
Through a virtual kvm (vkvm) program, video output at the DCS end is displayed in virtual display cards, and multiple instances of application are supported, that is, 200+ DCS video output sub-windows/sub-processes can be opened in the background, so that 200+ pictures are displayed on 200+ virtual display cards.
The Virtual KVM (VKVM) program also provides additional human-computer interaction functions (e.g., voice, eye movement) or leaves an external application stimulus input channel to participate in the dynamic selection of the physical display output of the VDU host.
The cross-platform video output calling is realized based on the dynamic video calling of the virtual display card, the limitation of the fixed video output of the DCS platform is avoided, the video control right is transferred to the virtual display card and the corresponding drive to realize the video output calling, and therefore the intellectualization is realized.
(2) KVM network:
the VDU video signal output after the VKVM program screening is accessed to an entity KVM network, the combination and the scheduling of the video of the display terminal are realized through the video keyboard mouse scheduling function of the KVM, and the video is sent to a splicing fusion device;
(3) cutting, splicing and fusing pixel-level images:
the method has the advantages that fine segmentation is carried out at the input end of a single-channel video signal source through the pixel-level image splicing and fusing device, and segmented pixel pictures are flexibly reconstructed into a new display picture according to a specific mode, so that an operator can conveniently obtain personalized self-defined display contents, and dependence on DCS software modification configuration and reinstallation is eliminated.
For the cutting of single-channel pictures and videos, the following functions are realized:
and analyzing the display content of each picture, and cutting blocks according to the characteristics of the display content (the single channel has 9 blocks at most).
And displaying the single-channel cut display block. By calling the existing software of the fusion processor, different display blocks can be rearranged and combined to form a new display picture.
The cutting method of each picture is not used, and the sizes of the blocks after cutting are different. In order to splice the cut display blocks into a picture with a normal size and not to generate deformation, different splicing templates can be preset.
The splicing template can preset the size of the display area through specific software, and only can accommodate display blocks smaller than the display area. The software can be recombined and spliced into a new display picture according to the requirements of a user.
Besides meeting the requirements, the pixel-level image splicing fusion device also provides a customized interface for later-stage upgrading, a general interface is reserved for third-party control software, and the functions of segmentation and splicing of the fusion processor are conveniently called.
The pixel-level video configuration method provided by the invention has the advantages that the existing DCS pictures are reconstructed and combined at the video screen end, the processes of picture reconfiguration, downloading, releasing and the like through DCS software are eliminated, the purpose of picture infinite reconstruction is achieved through the recombination of video sources of the display terminal, and the degree of freedom and the monitoring efficiency of monitoring personnel are greatly improved.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (2)
1. A method for pixel-level video configuration, comprising the steps of:
(1) dynamic video calling: realizing many-to-many mapping and dynamic selection of virtual display cards and physical display cards by a Virtual KVM (VKVM) program, changing the calling of traditional DCS picture numbers into the calling of virtual display card numbers, dynamically selecting the required virtual display card numbers in the physical display cards, and realizing the dynamic calling of video display output;
(2) KVM network: the VDU video signal output after the VKVM program screening is accessed to a KVM network, the combination and the scheduling of the video of the display terminal are realized through the video keyboard mouse scheduling function of the KVM, and the video is sent to a splicing fusion device;
(3) cutting, splicing and fusing pixel-level images: the fine segmentation is carried out at the input end of a single-channel video signal source through a pixel-level image splicing fusion device, and segmented pixel pictures are flexibly reconstructed into a new display picture according to a specific mode, so that an operator can conveniently obtain personalized self-defined display contents.
2. The method of claim 1, wherein the virtual kvm (vkvm) program further comprises a human-machine interaction function or an external application stimulus input channel to participate in the dynamic selection of the physical display output of the VDU host.
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Effective date of registration: 20220907 Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Applicant after: Shanghai Shen Nuclear Energy Engineering Technology Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |
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Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Applicant after: Shanghai Shen Nuclear Energy Engineering Technology Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Applicant before: Shanghai Shen Nuclear Energy Engineering Technology Co.,Ltd. |
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