CN101765024A - 3D stereoscopic video signal converter and technical application thereof - Google Patents

Abstract

The invention relates to a 3D stereoscopic video signal converter and technical application thereof. The 3D stereoscopic video signal converter converts a 2D video image signal into a 3D video image signal, is combined by an R/G/B electrical video image signal decomposition module, a signal time delaying and processing module, an electrical video image signal interface conversion module, keeps connection among electrical appliances and carries out delayed time processing on one or two image signals of R/G/B tricolor three electrical image video signals decomposed from the 2D video image signal; the processed signals show two images with displacement difference and different colors on a general video display terminal, and the images show intense stereoscopic sensation by being viewed through a special stereoscopic color separation glass. The invention is extensively used for a broadcast television network, electronic video equipment, the internetwork, a DVD, a VCD, computer video equipment, and the like.

Description

3D stereo video signals transducer and technology thereof are used

Technical field:

The 2D of video signal that the invention belongs to application technology is to the conversion process field of 3D.Be the switch technology that the video signal of planar (2D) is converted to efficiently, in real time, cheaply 3 D stereo 3D video signal, be specifically related to a kind of 3D stereo video signals transducer and technology of utilizing general video display terminal to watch the three-dimensional image after the conversion and use.

Background technology:

As everyone knows, the existing technology and equipment of people's use at present, the vision signal that the video signal of planar 2D is converted to 3 D stereo (3D) is too complicated, conversion timing signal is long partially, efficient is on the low side, and can't carry out the demonstration of stereo video signals by existing generic video display terminal, such as: television set (CRT, plasma, liquid crystal, rear-projection etc.), computer monitor, the LED large-size screen monitors, projecting apparatus, MP4 etc., need special-purpose expensive vision signal display terminal, increase user's use cost thus greatly, limit the field of its use, can't reach the purpose of extensively promoting at individual consumer's large tracts of land.

Summary of the invention:

The objective of the invention is according to above-mentioned weak point, and provide a kind of 3D stereo video signals transducer and systems technology to use.Vision signal to planar carries out efficiently, in real time, conversion process cheaply; be transformed into the vision signal that has three-dimensional stereo effect; and can on existing generic video display terminal, show; anaglyph spectacles by special use carries out watching of 3 D stereo (3D) image; can protect the existing video display terminal input cost of user so fully, reach the purpose of using the generic video display terminal just can easily watch the 3 D stereo TV.

Beneficial effect of the present invention: the stacking pattern that all can be exchanged into three tunnel electric image signal of R/G/B three primary colors because of existing any 2D video signal, so the 2D video electrical signal of different-format all is convertible into three tunnel electric image signal of R/G/B three primary colors by the corresponding interface conversion equipment, then the R/G/B electric image signal is handled accordingly, can be realized of the conversion of 2D video to the 3D video.

Great advantage of the present invention is exactly by technological innovation, the vision signal that converts 3 D stereo (3D) effect to that can the vision signal of planar (2D) is efficient, low-cost, real-time, and can show by general display terminal, such as television set, computer monitor, LED large-size screen monitors etc., and carry out watching of 3 D stereo video image by special-purpose anaglyph spectacles.

The present invention has following advantage:

1. video resource availability height

Can fully now the video resource second use of abundant planar (2D) will be had, convert it vision signal of 3 D stereo to efficiently, in real time, cheaply, make the user can enjoy colourful 3 D stereo (3D) Video service, and need not ancillary cost huge fund and the special 3D video of time shooting;

2. display terminal versatility height

Can make full use of the existing generic video display terminal of user, such as: television set (CRT, plasma, liquid crystal, LED large-size screen monitors, rear-projection), computer monitor, projecting apparatus etc., carry out the demonstration of 3 D stereo video signal, watch by special-purpose anaglyph spectacles, need not to buy expensive special-purpose display terminal again, protected the up-front investment of user's display terminal to greatest extent;

3. signal format, interface compatibility are good

This invention can be carried out the conversion of the 3D signal of telecommunication to the 2D signal of telecommunication of simulation, number format; Can carry out the 3D conversion of signals to the 2D signal of different images resolution (definition), such as: the vision signal of resolution such as VGA, QVGA, the 2D of the vision signal of resolution such as SD, HDTV (High-Definition Television) changes to 3D.The various video electrical signal interface formats of this technical compatibility, such as: computer shows the video signal interface forms such as VGA, DVI in field, interface formats such as CVBS (Av) interface in TV demonstration field, component (S terminal) interface, aberration (Y/Cr/Cb, Y/PrPb) interface, HDMI interface.

4. the technology use cost is low

With respect to existing complex technology of industry and equipment, can realize of the conversion of 2D video cheaply to the 3D video, be convenient to realize popularization at vast individual user;

5. use the field wide

The present invention can be widely used in field of video displaying such as computer video demonstration, TV, monitoring, common plane two-dimensional video picture signal is converted to the video signal of 3 D stereo.Processing and individual terminal that the present invention can be used in public video signal source respectively show this two links:

Public video signal source processing links

2D video signal source can be converted to the 3D video signal, the form with numeral or simulation sends public users to then, makes it receive simultaneously and show the 3D video signal by the universal display terminal.

Individual terminal shows link

The individual consumer can with receive such as: 2D vision signals such as DVD, VCD, anolog TV signals, digital television signal are converted to the 3D vision signal by the present invention, play demonstration by the universal display terminal then.

Know-why of the present invention

The relief principle that presents when the present invention is based on the eye-observation image, that is: when eye-observation one secondary scenery, the simple eye image of seeing in the left and right sides is slightly different, promptly has certain displacement parallax, the stereo perception that produces image by the visual experience of human brain.

The basic condition that the present invention realizes is: the vision signal of composing images all can resolve into three road image video signals of blue (B) the three kinds of colors of red (R) green (G), the vision signal that is any image all can be formed by stacking by three road image video signals of three kinds of colors of R/G/B, and three kinds of colors of R/G/B are called three primary colors again.

The present invention is according to this basic principle and primary condition, by technological innovation the image/video signal of telecommunication of blue (B) three tunnel three kinds of colors of red (R) green (G) of constituting planar image/video full detail is carried out corresponding signal process, the video image signal of telecommunication of output is presented exist the displacement parallax on the generic video display terminal, be similar to ghost image, two width of cloth images of different colours, when watching with special-purpose three-dimensional color separation glasses, because the color filtering effect of color separation glasses, this two width of cloth different colours, two width of cloth images that have the displacement parallax, beholder's right and left eyes will be entered respectively, right and left eyes will be seen respective color respectively, different images, according to the visual experience of human brain, image will present strong third dimension.See accompanying drawing 2:

Key technology of the present invention is:

A road or two-way combined picture signal in three road image/video signals of telecommunication of the R/G/B three primary colors that will decomposite from the 2D video signal carry out delay process, make the signal after the processing on the generic video display terminal, present the image that there is the different colours of displacement difference in two width of cloth, when watching, present strong third dimension by the three-dimensional color separation glasses of special use.

There is multiple combined treatment mode thus to three tunnel the video image signal of telecommunication of R/G/B three primary colors, all can reach vision signal through after the delay process, demonstrate the effect of image of the different displacements of existence of two width of cloth different colours on the universal display terminal, details are as follows:

A. the 2D picture signal is decomposed for after three tunnel electric image signal of R/G/B three primary colors, electric image signal to B+G combined colors or R color formation is carried out delay process, by the needed video electrical signal form of interface conversion output generic video display, the video electrical signal after handling thus will demonstrate the image (B+G combined colors image, R color image) of two width of cloth different colours and displacement occur in the universal display terminal then;

B. the 2D picture signal is decomposed for after three tunnel electric image signal of R/G/B three primary colors, electric image signal to R+G combined colors or B color formation is carried out delay process, by the needed video electrical signal form of interface conversion output generic video display, the video electrical signal after handling thus will demonstrate R+G combined colors image, the B color image of two width of cloth different colours and displacement occur in the universal display terminal then;

C. the 2D picture signal is decomposed for after three tunnel electric image signal of R/G/B three primary colors, electric image signal to R+B combined colors or G color formation is carried out delay process, then by the needed video electrical signal form of interface conversion output generic video display, video electrical signal after handling thus will demonstrate R+B combined colors image, the G color image of two width of cloth different colours on the universal display terminal, and displacement occur.

Technical solution of the present invention is achieved in that it is made up of 3 main modular in order the 2D video electrical signal is converted to the 3D stereo video signals transducer of 3D video electrical signal, as described in Figure 1:

R/G/B video image signal of telecommunication decomposing module, signal lag and processing module, video image electric signal interface modular converter, three modules keep being electrically connected.

Wherein, R/G/B video image signal of telecommunication decomposing module is three road video image signals of telecommunication that the 2D video image signal of telecommunication of this module of input are decomposed into the R/G/B three primary colors, delivers to signal lag and processing module then and carries out signal processing;

Signal lag and processing module are three road video signals of the R/G/B three primary colors that will send from R/G/B video electrical signal decomposing module, wherein the road picture signal or the two-way combination image signal of telecommunication carried out suitable time-delay and aid in treatment, make the R/G/B video image signal of telecommunication of output possess the ability that on the universal display terminal, presents the image of two width of cloth different colours and displacement occurs;

Video image electric signal interface module is that the R/G/B video image signal of telecommunication through suitable time-delay that signal lag and processing module are sent here is carried out corresponding electrical interface conversion, makes the video signal of output meet the different electrical interfaces input requirements of generic video display terminal.

System of the present invention forms the complete connected mode of intermodule

Three electric connecting modes of forming module are:

The input the 2D video image signal of telecommunication---〉R/G/B video image signal of telecommunication decomposing module---〉signal lag and processing module---〉video image electric signal interface module---output the 3D video image signal of telecommunication.

The present invention is for realizing the translation function of 2D video signal to 3D, operating position according to different can be made up flexibly by R/G/B video image signal of telecommunication decomposing module, signal lag and processing module, these three modules of video image electric signal interface module and form four kinds of compound modes of the present invention.

A, form the present invention by R/G/B video image signal of telecommunication decomposing module+signal lag and processing module+three modules of video image electric signal interface module;

B, form the present invention by R/G/B video image signal of telecommunication decomposing module+signal lag and two modules of processing module;

C, form the present invention by signal lag and processing module+video image electric signal interface module;

D, form the present invention by signal lag and processing module.

Description of drawings:

Accompanying drawing 1: be overall structure combination schematic diagram of the present invention.

Accompanying drawing 2: be operation principle schematic diagram of the present invention.

Accompanying drawing 3: for using schematic diagram in public sphere of the present invention.

Accompanying drawing 4: for using schematic diagram in the individual field of the present invention.

Below in conjunction with accompanying drawing invention is further specified, 1. Fig. 1 sign is R/G/B video image signal of telecommunication decomposing module: the 2D video image signal that will import the various interface form of stereo video converter, be decomposed into three road video signals of R/G/B three primary colours, 1. the R/G/B video image signal of telecommunication decomposing module that identifies can be with HD-SDI, HDMI, DVI, SDI, VGA, Y/Pr/Pb, Y/Cr/Cb, the S terminal, the signal of telecommunication of the video interface forms such as CVBS (Av) is decomposed into the R/G/B video image signal of telecommunication, is sent to the circuit module that 2. identifies by being electrically connected then.

2. sign is signal lag and processing module among Fig. 1: it is nucleus module of the present invention, three road video image signals of telecommunication of the R/G/B three primary colours that resolved into by the 2D video signal are imported this module, this module to one the road or the three primary colours video image signal of telecommunication of two-way combination carry out suitable signal lag and auxiliary processing, possess thus the ability that presents image two width of cloth different colours, that have displacement difference at the generic video display terminal.

Its effect is:

(1) electric image signal of one road or the two-way combination of three tunnel electric image signal of R/G/B three primary colours is carried out signal filtering, to remove the unwanted frequency composition.

(2) filtered this road electric image signal is carried out delay process, time-delay can be achieved by the mode of data signal or analogue signal circuit, realizes through the delay circuit of D/A conversion etc. by storage element devices such as shift registers after the time delay network that forms such as: LC delay circuit, SAW filter delay circuit, ultrasonic wave delay line circuit, switching capacity delay circuit, electric charge energy storage components and parts, the A/D conversion again.

(3) the video image signal of telecommunication after the delay process is carried out high frequency compensation and realize image outline regeneration, to strengthen the rear details expressive force of electric image signal on the universal display terminal of time-delay, promote the definition of image.

(4) electric image signal after the profile regeneration is carried out drive amplification, with the signal energy of compensation because of the loss of the links such as filtering, time-delay, profile regeneration.

3. sign is video image electric signal interface module among Fig. 1

To be converted to through three road video image signals of telecommunication of R/G/B three primary colours after signal lag and the auxiliary processing interface format of the desired various video image signals of telecommunication of universal display terminal, in order to can be received by the generic video display terminal and show. 3. video image signal of telecommunication modular converter can realize that the R/G/B video image signal of telecommunication is to the conversion of the video electrical signal interface formats such as HD-SDI, HDMI, DVI, SDI, VGA, Y/Pr/Pb, Y/Cr/Cb, S terminal, CVBS (Av).

Native system is for different applied environments, can by in the accompanying drawing 1 1., 2., 3. four kinds of compound modes of three modules are achieved as follows:

A、①+②+③；

B、①+②；

C、②+③；

D、②.

System of the present invention has realized the 2D video signal is efficient, low-cost, the real-time 3D video signal that converts to, and can show at the generic video display terminal, by Special stereoscopic glasses (color separation glasses), make the beholder produce strong three-dimensional 3D effect.

Embodiment:

The present invention system to different environments for use can by in the accompanying drawing 1 1., 2., 3. four kinds of compound modes of three modules are achieved, make the 2D image video signal to the 3D rendering vision signal efficiently, in real time, conversion cheaply, and on the generic video terminal, show.

The product form of system of the present invention is two kinds:

A, independent form: self-existent 3D video-frequency signal converter product form;

B, built-in form: the system integration of the present invention advances to use video electronic devices, the product form of television set, computer, MP4, VCD, DVD, digital TV set-top box etc.

The application of system of the present invention is that individual video is used and two fields of public Video Applications:

Public field of video applications

This field refers to field of broadcast televisions, field of video monitoring, internet video field, IPTV field.

System of the present invention with public 2D video signal source carry out efficiently, in real time, 3D stereo video signals conversion process cheaply, be sent to the generic video display terminal place of public users by the Internet, broadcasting and television network then and display, the user carries out watching of 3D rendering by special-purpose anaglyph spectacles (color separation glasses).As shown in Figure 3:

Individual field of video applications

Refer to that individual user can will obtain by the Internet, broadcasting and television network by product of the present invention, or local generation (such as: video source such as DVD, VCD, computer video file) efficient, low-cost, the real-time conversion process of carrying out the 3D video signal of 2D image video signal, show on individual consumer's generic video display terminal then, individual user carries out watching of 3D rendering by the three-dimensional color separation glasses of special use.As shown in Figure 4.

Claims (6)

1. 3D stereo video signals transducer and technology thereof are used, it is characterized in that the 2D video signal is converted to the 3D stereo video signals transducer of 3D video signal, specifically form by 3 main modular, R/G/B video image signal of telecommunication decomposing module, signal lag and processing module, video image electric signal interface modular converter, three modules keep electric connection, that is: the 2D video image signal of telecommunication of input → R/G/B video image signal of telecommunication decomposing module → signal lag and processing module → video image electric signal interface module → delivery outlet 3D video image signal of telecommunication;

R/G/B video image signal of telecommunication decomposing module is three road video image signals of telecommunication that the 2D video image signal of telecommunication of this module of input are decomposed into the R/G/B three primary colors, delivers to signal lag and processing module then and carries out signal processing;

Signal lag and processing module are three road video signals of the R/G/B three primary colors that will send from R/G/B video image signal of telecommunication decomposing module, electric image signal to wherein road picture signal or two-way combination is delayed time and aid in treatment, makes the R/G/B video image signal of telecommunication of output possess the ability that presents the image of two width of cloth different colours and displacement occurs on the universal display terminal;

Video image electric signal interface module is that the R/G/B video image signal of telecommunication through suitable time-delay that signal lag and processing module are sent here is carried out corresponding electrical interface conversion, makes the video signal of output meet the different electrical interfaces input requirements of generic video display terminal.

2. 3D stereo video signals transducer and technology thereof are used, it is characterized in that a road or two-way combined picture signal in three road image/video signals of telecommunication of the R/G/B three primary colors that will decomposite carry out delay process from the 2D video signal, make the signal after the processing on the generic video display terminal, present the image that there is the different colours of displacement difference in two width of cloth, when watching, present strong third dimension by the three-dimensional color separation glasses of special use.

3. 3D stereo video signals transducer according to claim 1 and technology thereof are used, and it is characterized in that the module combinations mode is following four kinds; A, R/G/B video image signal of telecommunication decomposing module+signal lag and processing module+video image electric signal interface module; B, R/G/B video image signal of telecommunication decomposing module+signal lag and processing module; C, signal lag and processing module+video image electric signal interface module; D, signal lag and processing module.

4. use according to claim 1,2 described 3D stereo video signals transducers and technology thereof, it is characterized in that the 2D picture signal is decomposed for after three tunnel electric image signal of R/G/B three primary colors, electric image signal to B+G combined colors or R color formation is carried out delay process, by the needed video electrical signal form of interface conversion output generic video display terminal, the processed video signal of telecommunication will demonstrate the image (B+G combined colors image, R color image) of two width of cloth different colours and go out displacement on the universal display terminal then; The 2D picture signal is decomposed for after three tunnel electric image signal of R/G/B three primary colors, electric image signal to R+G combined colors or B color formation is carried out delay process, by the needed video electrical signal form of interface conversion output generic video display terminal, the processed video signal of telecommunication will demonstrate the image (R+G combined colors image, B color image) of two width of cloth different colours and displacement occur on the universal display terminal then; The 2D picture signal is decomposed for after three tunnel electric image signal of R/G/B three primary colors, electric image signal to R+B combined colors or G color formation is carried out delay process, by the needed video electrical signal form of interface conversion output generic video display terminal, the processed video signal of telecommunication will demonstrate the image (R+B combined colors image, G color image) of two width of cloth different colours and displacement occur on the universal display terminal then.

5. 3D stereo video signals transducer according to claim 1 and technology thereof are used, it is characterized in that being two kinds of product form: independent form, it is self-existent 3D video-frequency signal converter product form, built-in form advances to use product form such as video electronic devices, television set, computer, MP4, VCP, DVD, digital TV set-top box with the present invention is integrated.

6. 3D stereo video signals transducer according to claim 1 and technology thereof are used, it is characterized in that the public video field of this product is applied as: in radio and television, video monitoring, internet video, IPIV Application for Field, it is converted to the 3D video signal with the 2D video signal by 3D stereo video signals transducer, the 3D stereoscopic video images signal of telecommunication after the conversion is displayed through the generic video display terminal place that the Internet, broadcasting and television network are sent to the user, and the user carries out 3D rendering by three-dimensional color separation glasses and watches.The individual field of video applications of this product is: the 2D video image signal of telecommunication that the individual consumer is obtained by the Internet, broadcasting and television network or DVD, VCD, computer video file, convert the 3D video image signal of telecommunication to by 3D stereo video signals transducer, and on individual consumer's generic video display terminal, show, individual user carries out 3D rendering through special-purpose three-dimensional color separation glasses and watches.

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