CN103731646A - Video signal real-time intercepting, processing and displaying method and device - Google Patents
Video signal real-time intercepting, processing and displaying method and device Download PDFInfo
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- CN103731646A CN103731646A CN201410031918.2A CN201410031918A CN103731646A CN 103731646 A CN103731646 A CN 103731646A CN 201410031918 A CN201410031918 A CN 201410031918A CN 103731646 A CN103731646 A CN 103731646A
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Abstract
The invention provides a video signal real-time intercepting, processing and displaying method and device. The video signal real-time intercepting, processing and displaying device comprises a video signal intercepting device, a video signal collecting device, a signal processor, a video signal generator and a displaying device, wherein the video signal intercepting device is used for intercepting a video signal outputting by an electronic device to the displaying device; the video signal collecting device is used for collecting the video signal and converting the video signal into digital video data; the signal processor is used for performing real-time signal processing on the digital video data; the video signal generator is used for converting the digital video data subjected to the real-time signal processing into a video signal capable of driving the displaying device to perform display; the displaying device is used for displaying the output video signal subjected to processing. The invention further provides the video signal real-time intercepting, processing and displaying method. By means of the video signal real-time intercepting, processing and displaying method and device, data output by the specific electronic device to the displaying device can be extracted in real time, functions and applications of the existing device can be expanded by performing real-time signal processing on the data, and development of specific real-time applications based on the display data of the device is achieved.
Description
Technical field
The present invention relates to the technical field that vision signal is processed and shown in real time, be specifically related to a kind of vision signal and intercept in real time method of processing display and device.
Background technology
Current, many electronic equipments are equipped with the device for display of message of display as man-machine interaction, the information of electronic equipment can be shown on display in real time.For having, image is processed and the electronic equipment of demonstration, data, image or video that display also wants Graphics Processing to obtain.
This has the electronic equipment of display, particularly have display, for the special electronic equipment of application-specific, one is customized by production firm, the expansion of its data processing function and Presentation Function is often subject to the restriction of device fabrication manufacturer, the data that the user of electronic equipment or application developers often can not directly utilize this equipment to produce, electronic equipment is carried out to Function Extension or application extension, particularly can not realize Function Extension and the application extension with requirement of real-time.
Summary of the invention
In order to solve the problem of prior art, the object of the present invention is to provide a kind of vision signal to intercept in real time method of processing display and device.
To achieve these goals, first aspect present invention, provides a kind of vision signal to intercept in real time method of processing display, and it is as follows that the method comprising the steps of:
Intercept an electronic equipment and output to the vision signal on display;
Real-time Collection vision signal, obtains digital video data;
Digital video data is carried out to real time signal processing, obtain digital video data after treatment;
Convert in real time digital video data after treatment to vision signal, and the output vision signal of conversion in real time; And
The vision signal of conversion is in real time outputed on display in real time.
Preferably, the vision signal that described intercepting one electronic equipment outputs on display is that an electronic equipment is outputed to the vision signal shunt on display, and wherein: a road still outputs on the display of this electronic equipment, another road is for real time video collection.
Preferably, the vision signal that described intercepting one electronic equipment outputs on display is that the vision signal that an electronic equipment is outputed on display is blocked, and no longer outputs on the display of electronic equipment, directly carries out real time video collection.
Preferably, the vision signal that described intercepting one electronic equipment outputs on display is to receive in the mode of wireless receiving the wireless video signal that an electronic equipment display vision cable radiates, then the wireless video signal receiving is carried out to video acquisition.
Preferably, described digital video data is carried out to real time signal processing is the enhancing processing to single-frame images, or the conversion process to single-frame images.
Preferably, described digital video data is carried out to real time signal processing is the image enhancement processing of asking at picture frame, or in the image conversion processing of asking of picture frame.
To achieve these goals, second aspect present invention, provide a kind of vision signal to intercept in real time processes and displays device, this device can comprise vision signal interceptor, video signal collective device, signal processor, video signal generator, display, wherein: vision signal interceptor, outputs to the vision signal on display for intercepting an electronic equipment; Video signal collective device, for gathering vision signal, is converted to digital video data by vision signal; Signal processor, for carrying out real time signal processing to digital video data; Video signal generator, for the digital video data that real time signal processing is obtained, change the vision signal that energy driving display shows into, or it is synthetic that digital video data after treatment and Real-time Collection vision signal are obtained to digital video data, change the vision signal can driving display showing into; And display, for the vision signal that shows that energy driving display shows.
Preferably, described vision signal interceptor is that an electronic equipment is outputed to the vision signal shunt on display, and a road still outputs on the display of this electronic equipment, and another road outputs to the equipment of real time video collection; Described vision signal interceptor or the vision signal that an electronic equipment is outputed on display are blocked, and no longer output on the display of electronic equipment, directly output to video capture device; Described vision signal interceptor or receive the wireless video signal that an electronic equipment display vision cable radiates in the mode of wireless receiving, then the vision signal receiving is carried out to the equipment of video acquisition.
Preferably, described signal processor has been the equipment of the real time enhancing processing to single-frame images, or complete the equipment of the real-time transform processing to single-frame images, or complete the equipment of the Real-time image enhancement processing between picture frame, or complete the equipment of the realtime graphic conversion process between picture frame.
A kind of according to an embodiment of the invention vision signal intercepts in real time method of processing display and device at least has following beneficial effect:
The present invention intercepts electronic equipment and outputs to the vision signal of display, and vision signal is carried out to digital collection, then carries out real time data processing, and the data of generation can be presented on other displays in real time.
The present invention can output to the data on display by extract real-time one specific electronic equipment set, and by these data are carried out to real time signal processing, the function and application of expansion existing equipment, realize based on equipment show data for implementation-specific time the exploitation of applying.It can overcome electronic equipment and output to the real-time application extension of data on display and the restriction of Function Extension, makes the user of electronic equipment or application developers can directly utilize the number pick outputing on display, carries out the exploitation towards concrete application.
Accompanying drawing explanation
By below in conjunction with the description of the drawings, and along with understanding more comprehensively of the present invention, other objects of the present invention and effect will become to be known and easy to understand more, wherein:
Fig. 1 is that a kind of vision signal intercepts method of processing display flow chart in real time;
Fig. 2 is that a kind of vision signal intercepts processes and displays device schematic diagram in real time.
Embodiment
For making object of the present invention, method and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
Fig. 1 is that a kind of vision signal of the present invention intercepts method of processing display flow chart in real time, the embodiment 1 of method of the present invention:
Step 1, intercepts the vision signal outputing on display;
First intercept an electronic equipment and output to the vision signal on display, the intercept method of vision signal is on the vision cable being connected with display at electronic equipment, to carry out vision signal along separate routes, wherein: a road still outputs on the display of this electronic equipment, another road is for real time video collection;
The vision signal intercepting is that the vision signal that an electronic equipment is outputed on display is blocked, and no longer outputs on the display of electronic equipment, is directly used in video acquisition;
Step 2, the vision signal that Real-time Collection intercepts, by video signal digitization, obtains digital video data;
Step 3, digital video data is carried out to real time signal processing, described real time signal processing is the enhancing processing of digital video data being carried out to single-frame images, obtain digital video data after treatment, or digital video data is carried out to the conversion process of single-frame images, obtain digital video data after treatment;
Step 4, digital video data is converted to vision signal;
It is that the digital video data that real time signal processing is obtained converts vision signal in real time to that described digital video data converts vision signal to, and the output vision signal of conversion in real time;
Step 5: the vision signal of conversion is in real time outputed to display in real time.
The embodiment 2 of method of the present invention:
Step 1, intercepts the vision signal outputing on display;
First intercept an electronic equipment and output to the vision signal on display, the intercept method of vision signal is on the video-frequency connector being connected with display at electronic equipment, to carry out vision signal along separate routes, wherein: a road still outputs on the display of this electronic equipment, another road is for real time video collection;
The vision signal intercepting is to receive in the mode of wireless receiving the wireless video signal that an electronic equipment display vision cable radiates, then the vision signal receiving is carried out to video acquisition.
Step 2 is identical with the scheme of embodiment 1;
Step 3, carries out real time signal processing to digital video data identical with the scheme of embodiment 1, or described real time signal processing is that digital video data is carried out to the image enhancement processing between picture frame, obtains digital video data after treatment.
Step 4, it is identical with the scheme of embodiment 1 that digital video data converts vision signal to, or described digital video data to convert vision signal to be that digital video data that real time signal processing is obtained and Real-time Collection vision signal obtain digital video data and synthesize, convert in real time the vision signal can driving display showing to, and the output vision signal of conversion in real time;
Step 5: identical with the scheme of embodiment 1;
The embodiment 3 of method of the present invention:
Step 1 is identical with embodiment 1 or embodiment 2 schemes;
Step 2 is identical with embodiment 1 scheme;
Step 3, carries out real time signal processing to digital video data, obtains digital video data after treatment;
Described real time signal processing is that digital video data is carried out to the image conversion processing between picture frame, obtains digital video data after treatment.
Step 4 is identical with embodiment 1 or embodiment 2 schemes;
Step 5: identical with embodiment 1 scheme.
Fig. 2 is that vision signal intercepts processes and displays device schematic diagram in real time, this vision signal intercepts processes and displays device 200 in real time can comprise vision signal interceptor 201, video signal collective device 202, signal processor 203, video signal generator 204 and display 205, wherein: vision signal interceptor 201, joined arm to output to the vision signal on display for intercepting an electronic equipment; Video signal collective device 202, is arranged to collection vision signal, and vision signal is converted to digital video data; Signal processor 203, is arranged to digital video data is carried out to real time signal processing; Video signal generator 204, is arranged to the digital video data that real time signal processing is obtained and changes the vision signal can driving display showing into; And display 205, be arranged to the vision signal of exporting after Graphics Processing.
According in some embodiments of the present invention, vision signal interceptor, outputs to the vision signal on display for intercepting an electronic equipment; Video signal collective device, for gathering vision signal, is converted to digital video data by vision signal; Signal processor, for carrying out real time signal processing to digital video data; Video signal generator, changes the vision signal can driving display showing into for the digital video data that real time signal processing is obtained; And display, for the vision signal of exporting after Graphics Processing.
In vision signal according to an embodiment of the invention, intercept in real time in processes and displays device, vision signal interceptor 201 can adopt wire signal to intercept and realize, and also can adopt wireless signal to intercept and realize.
For adopting wire signal to intercept, realize, vision signal interceptor adopts vision signal splitter, according to the video signal standard between electronic equipment and display, selects suitable vision signal splitter.On the vision cable being connected with display at electronic equipment or on video-frequency connector, insert vision signal splitter, carry out vision signal along separate routes, vision signal splitter one tunnel still outputs on the display of this electronic equipment, and another road output sends to video signal collective device by vision signal.
Adopting the another kind that wire signal intercepts to realize, is that the vision signal that electronic equipment is outputed on display is blocked, and no longer outputs on the display of this electronic equipment, directly outputs to video collector;
For adopting wireless signal to intercept, realize, vision signal interceptor adopts wireless receiver, the vision signal of the vision cable radiation that wireless receiver induced electricity subset is connected with display.
According to embodiments of the invention, video signal collective device can adopt dedicated video signal digital conversion chip or video frequency collection card to realize.
For vision signal conversion chip, realize, according to the video signal standard between electronic equipment and display, determine video signal digitization conversion chip; For camera video signal standard, adopt camera video signal digitlization conversion chip; For standard television video signal, adopt TV signal video signal digitization conversion chip; For VGA (abbreviation of Video Graphis Array, a kind of video outputting standard) video signal standard, adopt VGA video signal digitization conversion chip; For DVI (abbreviation of Digi tal Vi sual Interface, a kind of digital video signal interface standard) video signal standard, adopt DVI vision signal conversion chip, extract video data; For HDMI (abbreviation of High Defination Multimedia Interface, a kind of digitized video/audio interface standard) video signal standard, adopt HDMI vision signal conversion chip, extract video data; For ThunderBolt (a kind of video/audio, data mixing signal transmission interface standard) video signal standard, adopt ThunderBolt vision signal conversion chip, extract video data; For DisplayPort (a kind of high definition digital video interface standard) video signal standard, adopt DisplayPort video signal digitization conversion chip, extract video data.
For video frequency collection card, realize, according to the video signal standard between electronic equipment and display, determine video frequency collection card; For camera video signal standard, adopt camera video capture card; For standard television video signal, adopt TV signal video frequency collection card; For VGA video signal standard, adopt VGA video signal video capture card; For DVI video signal standard, adopt DVI video signal video capture card; For HDMI video signal standard, adopt HDMI video signal video capture card; For ThundevBolt video signal standard, adopt ThundevBolt video signal video capture card; For DisplayPort video signal standard, adopt DisplayPort video signal video capture card;
According to embodiments of the invention, signal processor can adopt dsp chip to realize, or adopts DSP array to realize, or adopts embedded control chip to realize, or adopts cpu chip to realize, or adopts fpga chip to realize, or adopts chip microcontroller; Or employing modular computer; Or adopt industrial control computer to realize; Or adopt all-in-one to realize, or adopt business computer to realize.
According to embodiments of the invention, video signal generator can adopt video drive chip or display card to realize.For video drive chip, realize, according to the interface standard of display 205, select corresponding video drive chip; For display card, realize, according to the interface standard of display 205, select to have the display card of corresponding interface.
According to embodiments of the invention, video signal generator display can adopt display apparatus for commercial use, or adopts industrial display, adopts aviation display.
It should be noted that for embodiments of the present invention are easier to understand, description has above been omitted to be known for a person skilled in the art and may to be essential some ins and outs more specifically for the realization of embodiments of the present invention.For example, description has above been omitted and has been described existing electronic installation is general.Should be appreciated that, vision signal intercepts processes and displays device in real time except vision signal interceptor described above, video signal collective device, signal processor, video signal generator and display according to an embodiment of the invention, can also there is miscellaneous part or assembly that existing electronic installation has, as controller and power supply.Above-mentioned explanation is only schematic rather than restrictive.Specification provided by the invention is in order to illustrate and to describe, rather than is used for exhaustive or limits the invention to disclosed form.For those of ordinary skill in the art, many modifications and changes are all fine.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. vision signal intercepts a method of processing display in real time, comprises that step is as follows:
Intercept an electronic equipment and output to the vision signal on display;
Real-time Collection vision signal, obtains digital video data;
Digital video data is carried out to real time signal processing, obtain digital video data after treatment;
Convert in real time digital video data after treatment to vision signal, and the output vision signal of conversion in real time; And
The vision signal of conversion is in real time outputed on display in real time.
2. vision signal according to claim 1 intercepts method of processing display in real time, it is characterized in that, the vision signal that described intercepting one electronic equipment outputs on display is that an electronic equipment is outputed to the vision signal shunt on display, wherein: a road still outputs on the display of this electronic equipment, another road is for real time video collection.
3. vision signal according to claim 1 intercepts method of processing display in real time, it is characterized in that, the vision signal that described intercepting one electronic equipment outputs on display is that the vision signal that an electronic equipment is outputed on display is blocked, no longer output on the display of electronic equipment, directly carry out real time video collection.
4. vision signal according to claim 1 intercepts method of processing display in real time, it is characterized in that, the vision signal that described intercepting one electronic equipment outputs on display is to receive in the mode of wireless receiving the wireless video signal that an electronic equipment display vision cable radiates, then the wireless video signal receiving is carried out to video acquisition.
5. vision signal according to claim 1 intercepts method of processing display in real time, it is characterized in that, described digital video data is carried out to real time signal processing is the enhancing processing to single-frame images, or the conversion process to single-frame images.
6. vision signal according to claim 1 intercepts method of processing display in real time, it is characterized in that, described digital video data is carried out to real time signal processing is the image enhancement processing between picture frame, or the image conversion processing between picture frame.
7. vision signal intercepts a processes and displays device in real time, it is characterized in that, this device comprises vision signal interceptor, video signal collective device, signal processor, video signal generator and display, wherein:
Vision signal interceptor, outputs to the vision signal on display for intercepting an electronic equipment;
Video signal collective device, for gathering vision signal, is converted to digital video data by vision signal;
Signal processor, for carrying out real time signal processing to digital video data;
Video signal generator, changes for the digital video data that real time signal processing is obtained the vision signal that energy driving display shows into; Or it is synthetic that digital video data after treatment and Real-time Collection vision signal are obtained to digital video data, change the vision signal can driving display showing into; And
Display, for the vision signal that shows that energy driving display shows.
8. vision signal according to claim 7 intercepts processes and displays device in real time, it is characterized in that, described vision signal interceptor is that an electronic equipment is outputed to the vision signal shunt on display, one tunnel still outputs on the display of this electronic equipment, and another road outputs to the equipment of real time video collection; Or the vision signal that an electronic equipment is outputed on display blocks, no longer output on the display of electronic equipment, directly output to video capture device; Or receive in the mode of wireless receiving the wireless video signal that an electronic equipment display vision cable radiates, then the vision signal receiving is carried out to the equipment of video acquisition.
9. vision signal according to claim 7 intercepts processes and displays device in real time, it is characterized in that, signal processor has been the equipment of the real time enhancing processing to single-frame images, or complete the equipment of the real-time transform processing to single-frame images, or complete the equipment of the Real-time image enhancement processing between picture frame, or complete the equipment of the realtime graphic conversion process between picture frame.
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