CN108833893A - A kind of 3D rendering bearing calibration shown based on light field - Google Patents

A kind of 3D rendering bearing calibration shown based on light field Download PDF

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Publication number
CN108833893A
CN108833893A CN201810551061.5A CN201810551061A CN108833893A CN 108833893 A CN108833893 A CN 108833893A CN 201810551061 A CN201810551061 A CN 201810551061A CN 108833893 A CN108833893 A CN 108833893A
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China
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anaglyph
shown
image
corresponding
angle point
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CN201810551061.5A
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Chinese (zh)
Inventor
桑新柱
都静妍
高超
于迅博
刘博阳
高鑫
颜玢玢
王葵如
苑金辉
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北京邮电大学
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Priority to CN201810551061.5A priority Critical patent/CN108833893A/en
Publication of CN108833893A publication Critical patent/CN108833893A/en

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Abstract

The embodiment of the present invention provides a kind of 3D rendering bearing calibration shown based on light field, including:The corresponding correction function of any anaglyph based on model to be shown, is corrected any anaglyph, obtains the correction image of any anaglyph;Wherein, the corresponding correction function of any anaglyph is obtained according to any anaglyph space-time function figure corresponding with any anaglyph;The correction image of whole anaglyphs of the model to be shown is encoded, correction coding image is obtained, the correction coding image is shown by light field display system.Method provided in an embodiment of the present invention is corrected anaglyph by the corresponding correction function of anaglyph, counteracts itself error of light field display system, improves the 3D rendering quality of light field display system, enhances user experience.

Description

A kind of 3D rendering bearing calibration shown based on light field

Technical field

The present embodiments relate to light field field of display technology more particularly to a kind of 3D rendering corrections shown based on light field Method.

Background technique

With the rapid development of science and technology, traditional two-dimensional surface display technology has much been unable to satisfy current each Demand of the industry field for depth data and space multistory sense.More and more application fields, as medical imaging, science are ground Study carefully, the outer space is explored, important teleconference and military affairs etc., it is desirable that can be realized the true reconstruction of three-dimensional scenic, so that seeing The person of seeing can be more accurate capture relevant information, accurately carry out live judgement.

Free 3 D display technology can make viewer by naked eyes directly experience 3D vision, force 3-D image more True display true picture.Light field shows one kind as Auto-stereo display, and representative is integration imaging Three-dimensional Display, by IP (integral photography, integrated photography) technology that Lippmann is proposed develops, which can be spectators The free stereo effect of full parallax is provided.It is a kind of important 3D display that light field, which is shown, and viewer helps glasses i.e. without wearing It can watch stereo-picture.The 3D display can restore true 3D scene completely, have full parallax, full color and viewpoint continuous Advantage.

Coded image is shown in light field display system as shown in Figure 1, liquid crystal display panel 101, and coded image is by a system Column anaglyph is synthesized by mapping relations, and each lens correspond to equal number of picture in coded image in lens array 102 Prime number.Coded image is reflected by lens array, and 3 d light fields are rebuild in front of lens array, hologram functional screen 103 is placed Suitable position, so that it may reproduce the three-dimensional scenic of record.

Compare previous integrated imaging system, although above-mentioned light field display system solves the problems, such as many, such as solves Depth Inversion Problem improves collecting efficiency, simplifies system structure etc..But the brings error such as equipment, technique is still deposited ?:

1, due to technologic defect, there are certain errors for the manufacture craft of lens, so that object passes through lens imaging one Surely there can be aberration, there are aberrations so that coded image is through the monocular disparity map that lens are formed in the sky, influence three-dimensional Viewing effect.

2, due to manually-operated error, the distance between liquid crystal display panel and lens array, lens array and hologram functional The distance between screen etc. is easy, and there are errors, so that coded image is through the monocular disparity map that lens are formed in the sky, there are pictures Difference.

Summary of the invention

The embodiment of the present invention provides a kind of 3D rendering bearing calibration shown based on light field, shows to solve existing light field There is error in the 3D rendering that system is shown.

On the one hand, the embodiment of the present invention provides a kind of 3D rendering bearing calibration shown based on light field, including:

The corresponding correction function of any anaglyph based on model to be shown, is corrected the anaglyph, obtains The correction image of the anaglyph;Wherein, the corresponding correction function of the anaglyph is according to the anaglyph and the disparity map As corresponding space-time function figure obtains;

The correction image of whole anaglyphs of model to be shown is encoded, correction coding image is obtained, will correct Coded image is shown by light field display system.

On the other hand, the embodiment of the present invention provides a kind of 3D rendering correction system shown based on light field, including:

Image acquisition unit is corrected, for the corresponding correction function of any anaglyph based on model to be shown, to this Anaglyph is corrected, and obtains the correction image of the anaglyph;Wherein, the corresponding correction function of the anaglyph is basis Anaglyph space-time function figure corresponding with the anaglyph obtains;

Display unit is encoded, for encoding the correction image of whole anaglyphs of model to be shown, obtains school Positive coded image shows correction coded image by light field display system.

Another aspect, the embodiment of the present invention provide a kind of 3D rendering calibration equipment shown based on light field, including processor, Communication interface, memory and bus, wherein processor, communication interface, memory complete mutual communication by bus, place Reason device can call the logical order in memory, to execute the 3D rendering bearing calibration shown as previously described based on light field.

In another aspect, the embodiment of the present invention provides a kind of computer readable storage medium, it is stored thereon with computer program, The 3D rendering bearing calibration shown as previously described based on light field is realized when the computer program is executed by processor.

A kind of 3D rendering bearing calibration shown based on light field provided in an embodiment of the present invention, it is corresponding by anaglyph Correction function is corrected anaglyph, counteracts itself error of light field display system, improves light field display system 3D rendering quality, enhances user experience.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root Other attached drawings are obtained according to these attached drawings.

Fig. 1 is a kind of structural schematic diagram of light field display system of the embodiment of the present invention;

Fig. 2 is a kind of flow diagram of 3D rendering bearing calibration shown based on light field of the embodiment of the present invention;

Fig. 3 is a kind of top view of light field display system of the embodiment of the present invention;

Fig. 4 is a kind of schematic diagram of model to be shown of the embodiment of the present invention;

Fig. 5 is a kind of transition diagram of correction function of the embodiment of the present invention;

Fig. 6 is that a kind of 3D rendering shown based on light field of the embodiment of the present invention corrects the structural schematic diagram of system;

Fig. 7 is a kind of structural schematic diagram of 3D rendering calibration equipment shown based on light field of the embodiment of the present invention.

Specific embodiment

In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.

In the viewing ratio of light field display system, the 3D effect that human eye is watched is optimal.It is shown by light field Principle it is found that in viewing ratio, coded image will form equal with original anaglyph number in the sky by lens Space-time function figure, and with anaglyph correspond.The anaglyph of space disparity map corresponding thereto is in ideal situation Consistent, due to the presence of error in reality, the two can not be just the same, but if the two is more close, 3D seen by person Picture quality is also just higher.Needle anaglyph as caused by error and the not quite identical problem of space-time function figure, the present invention Embodiment provides a kind of 3D rendering bearing calibration shown based on light field, with reference to Fig. 2, a kind of 3D rendering school shown based on light field Correction method, including:

201, the corresponding correction function of any anaglyph based on model to be shown is corrected the anaglyph, Obtain the correction image of the anaglyph;Wherein, the corresponding correction function of any anaglyph is according to the anaglyph and to be somebody's turn to do The corresponding space-time function figure of anaglyph obtains.

Herein, anaglyph is by the virtual camera in computer software from different perspectives to agreement model to be shown It is acquired, the image sequence group with certain parallax of acquisition.After whole anaglyphs of model to be shown are encoded Coded image is generated, herein, coded image is according to light field display system parameter, and recording for loading on liquid crystal display panel is to be shown The image of model (3D) multi-direction information.After coded image is loaded on the liquid crystal display panel of light field display system, by really taking the photograph Camera from different angles shoots the 3D rendering of light field display system imaging, the figure sequence with certain parallax of acquisition Column group, that is, space-time function figure.It should be noted that virtual camera is consistent with the shooting angle of real camera, i.e., by virtually taking the photograph The anaglyph that camera is shot from unspecified angle, corresponding one by real camera from the space-time function figure of the angle shot.

The corresponding correction function of any anaglyph is according to anaglyph space-time function corresponding with the anaglyph What figure obtained, for characterizing the space corresponding with the anaglyph of the anaglyph as caused by itself error of light field display system Error between disparity map.It, can be by correction function to the anaglyph after knowing the corresponding correction function of any anaglyph It is corrected, is input to after light field display system as caused by light field display system accidentally with offsetting the correction image of anaglyph Difference.

202, the correction image of whole anaglyphs of model to be shown is encoded, correction coding image is obtained, it will Correction coding image is shown by light field display system.

In the embodiment of the present invention, anaglyph is corrected by anaglyph corresponding correction function, counteracts light Itself error of field display system, improves the 3D rendering quality of light field display system, enhances user experience.

Based on the above embodiment, a kind of 3D rendering bearing calibration shown based on light field, 201, based on model to be shown The corresponding correction function of any anaglyph, is corrected any anaglyph, obtains the correction image of any anaglyph, Further include before:

Obtain the coordinate of each angle point and the corresponding space of the anaglyph in any anaglyph of model to be shown The coordinate of each angle point in disparity map;By the coordinate of angle point each in anaglyph space-time function corresponding with the anaglyph The coordinate of each angle point is fitted in figure, obtains the corresponding correction function of the anaglyph.

Herein, angle point is the point being preset on model to be shown, thus any angle point being directed in any anaglyph, It is present in the corresponding angle point of the angle point in the corresponding space-time function figure of the anaglyph.Anaglyph and corresponding space-time function figure There are many acquisition methods of middle angular coordinate, such as the Corner Detection based on gray level image, the Corner Detection based on bianry image With the Corner Detection based on contour curve, the present invention is not especially limit this.

It further, will be in the coordinate of angle point each in any anaglyph space-time function figure corresponding with the anaglyph The coordinate of each angle point is fitted, and is obtained the corresponding correction function of the anaglyph, is specifically included:

According to the following formula in the coordinate of each angle point in any anaglyph space-time function figure corresponding with the anaglyph The coordinate of each angle point is fitted:

In formula, the quantity of angle point is (a+1) × (b+1) in anaglyph, the abscissa collection of each angle point in anaglyph Close X=(x0,x1,x2,…,xa), the ordinate set Y=(y of each angle point in anaglyph0,y1,y2,...,yb)。

The quantity of angle point is equal with the quantity of angle point in anaglyph in the corresponding space-time function figure of anaglyph, space view The abscissa set X'=(x' of each angle point in poor figure0,x'1,x'2,...,x'a), the vertical seat of each angle point in space-time function figure Mark set Y'=(y'0,y'1,y'2,...,y'b);T is natural number as big as possible, not to the value of t in the embodiment of the present invention Make specific limit.

By the fitting of a polynomial in above formula, the abscissa of angle point is fitted in available anaglyph and space-time function figure Coefficient sets K=(k0,k1,k2,...,kt), anaglyph and the ordinate of angle point in space-time function figure are fitted system set M= (m0,m1,m2,...,mt).According to K and M, the corresponding correction function of the available anaglyph is as follows:

In formula, f (X) is the abscissa set of each angle point in the correction image of any anaglyph, and g (Y) is institute State the ordinate set of each angle point in the correction image of any anaglyph.

Based on any of the above-described embodiment, a kind of 3D rendering bearing calibration shown based on light field, 201, it is based on mould to be shown The corresponding correction function of any anaglyph of type, is corrected the anaglyph, obtains the correction image of the anaglyph, Further include before:

Display model is treated by virtual camera array to be shot, and whole anaglyphs of model to be shown are obtained; Whole anaglyphs are encoded, coded image is obtained and are shown by light field display system;By video camera to volume Code image is shot by the 3D rendering that light display system is shown, obtains space-time function figure corresponding with each anaglyph Picture.

Wherein, the position one of the position of virtual camera array shooting anaglyph and video camera shooting space-time function figure It causes, i.e., the anaglyph shot by any virtual camera in virtual camera array from any position, corresponding one by imaging The space-time function image that machine is shot from the position.

Based on any of the above-described embodiment, Fig. 3 is a kind of top view of light field display system of the embodiment of the present invention, such as Fig. 3 Shown, a kind of 3D rendering bearing calibration shown based on light field, light field display system includes liquid crystal display panel 101, lens array 102 With hologram functional screen 103.

Herein, lens array 102 is the lens matrix for arranging multiple lens on the direction 2D and being formed.Holographic function It is the optical device made in the way of holographic that 103, which can be shielded, for light to be dissipated at a certain angle, the embodiment of the present invention In, hologram functional screen 103 refers to all optical devices with scattering function.

In order to better understand and using a kind of 3D rendering bearing calibration shown based on light field proposed by the present invention, this hair Bright carry out following example, and the present invention is not only limited to following example.

In Fig. 3, the center of lens array 102 is overlapped with the center of video camera array 104, the light of vertical direction Line distribution can the light distribution of horizontal direction according to Fig.3, similarly obtain.Wherein, in video camera array 104 The position of video camera is both the position and the optimum distance position of human eye viewing of Image Acquisition.Assuming that lens array 102 Number is N × M, and the resolution ratio of every anaglyph is x × y, and the resolution ratio of coded image is X × Y, the number of video camera array 104 Mesh is consistent with the resolution sizes of anaglyph, is x × y, and the pixel of each covered coded image of lens is r × r, disparity map Number be r × r, wherein X=r × N, Y=r × M.The distance between liquid crystal display panel 101 and lens array 102 are g, lens array The distance between column 102 and hologram functional screen 103 are D, and the distance between video camera array 104 and lens array 102 are L.

Display model is treated by computer software virtually to be shot, and the anaglyph of model to be shown is obtained.Fig. 4 is The schematic diagram of a kind of model to be shown of the embodiment of the present invention, as shown in figure 4, setting model to be detected to the grid of a × b Figure.Model to be detected is D at a distance from zero plane, and virtual camera array plane and zero plane array distance are L, passes through shooting Total r × the r of the anaglyph of acquisition, be all trrellis diagram of throwing the net in every anaglyph, by Corner Detection, obtains lattice of often throwing the net Position coordinates (the x of angle point in figure0,y0)、(x0,y1)、…、(x1,y0)、(x1,y1)、…、(xa,yb), in every anaglyph all There is a angular coordinate of (a+1) × (b+1).Herein, zero plane is the plane where lens array 102

From the foregoing, it will be observed that the spacing d=pL/rg of 104 horizontal direction of video camera array, the spacing d'=d of vertical direction, camera shooting Distance of the machine apart from 102 place plane of lens array is L.The position of each video camera is sat in video camera array 104 as shown in Figure 3 Mark, above-mentioned position coordinates are consistent with the position coordinates of the virtual camera in computer software.It should be noted that computer is soft What virtual camera was shot in part is model to be shown, and video camera shooting herein is that model to be shown passes through light field display system In space imaging.

It is shot by video camera along guide rail, obtains r × r space-time function figures.Ideally, r × r herein Space-time function figure is identical with r × r for being acquired by computer software anaglyphs, but due to the presence of various errors, Anaglyph can not be identical with corresponding space-time function figure.Space-time function figure is equally obtained by way of Corner Detection Coordinate (x' of the middle angle point in respective image0,y'0)、(x'0,y'1)、…、(x'1,y'0)、(x'1,y'1)、…、(x'a,y'b) There is a angular coordinate of (a+1) × (b+1) in every space-time function figure.

Angular coordinate (x by taking wherein one group of anaglyph Img and space-time function figure Img ' as an example, in anaglyph Img0, y0)、(x0,y1)、…、(x1,y0)、(x1,y1)、…、(xa,yb), with the angular coordinate (x' in space-time function image Img '0,y '0)、(x'0,y'1)、…、(x'1,y'0)、(x'1,y'1)、…、(x'a,y'b) correspond.For known (a+1) × (b+1) The corresponding angular coordinate of group carries out fitting of a polynomial:

In formula, the abscissa set X=(x of each angle point in anaglyph Img0,x1,x2,...,xa), each angle point Ordinate set Y=(y0,y1,y2,...,yb);The abscissa set X'=(x' of each angle point in space-time function figure Img '0,x '1,x'2,...,x'a), the ordinate set Y'=(y' of each angle point0,y'1,y'2,...,y'b);T is nature as big as possible Number.

By the fitting of a polynomial in above formula, the cross of angle point in available anaglyph Img and space-time function figure Img ' Coordinate fitting coefficient sets K=(k0,k1,k2,...,kt), the ordinate of angle point in anaglyph Img and space-time function figure Img ' It is fitted system set M=(m0,m1,m2,...,mt).Above-mentioned polynomial relation is described as:

Fig. 5 is a kind of transition diagram of correction function of the embodiment of the present invention, as shown in Figure 5.Ideally, to make It is consistent with anaglyph Img to obtain space disparity map, needs to seek to correct picture Img0, acquired after light field display system The space-time function figure arrived is consistent with disparity map Img.As shown in Figure 5, picture Img is corrected0In each angle point abscissa set X0= F (X), the ordinate set Y of each angle point0=g (Y), it can thus be concluded that correction picture Img0In each angle point position coordinates, when When grid is intensive enough, the coordinate that the calculating of the position coordinates of angle point can also be become to pixel is calculated, in anaglyph Img Each location of pixels coordinate by the transformation of correction function f (X) and g (Y) obtain correction image Img0Each pixel coordinate, To obtain correction image Img0

Similarly, the r × r correction images after calculation processing are obtained based on above-mentioned processing mode.With Img0For, it will Anaglyph Img generates correction image Img by correction0, use Img0The synthesis that coded image is carried out instead of Img obtains correction and compiles Code image.In this way, being corrected based on the 3D rendering that light field display system is shown.

In this example, anaglyph is corrected by anaglyph corresponding correction function, light field is counteracted and shows Itself error of system improves the 3D rendering quality of light field display system, enhances user experience.

Based on any of the above-described embodiment of the method, Fig. 6 is a kind of 3D rendering school shown based on light field of the embodiment of the present invention The structural schematic diagram of positive system, as shown in fig. 6, a kind of 3D rendering correction system shown based on light field, including:

Image acquisition unit 601 is corrected, it is right for the corresponding correction function of any anaglyph based on model to be shown The anaglyph is corrected, and obtains the correction image of the anaglyph;Wherein, the corresponding correction function of the anaglyph is root It is obtained according to anaglyph space-time function figure corresponding with the anaglyph;

Display unit 602 is encoded, for encoding the correction image of whole anaglyphs of model to be shown, is obtained Correction coding image shows correction coded image by light field display system.

It should be noted that above-mentioned correction image acquisition unit 601 and the coding cooperation of display unit 602 are to execute above-mentioned reality The 3D rendering bearing calibration that one of example is shown based on light field is applied, the concrete function of the system is referring to above-mentioned aobvious based on light field The embodiment for the 3D rendering bearing calibration shown, details are not described herein again.

In the embodiment of the present invention, anaglyph is corrected by anaglyph corresponding correction function, counteracts light Itself error of field display system, improves the 3D rendering quality of light field display system, enhances user experience.

Based on any of the above-described embodiment, a kind of 3D rendering correction system shown based on light field further includes:

Angular coordinate acquiring unit, the coordinate of each angle point in any anaglyph for obtaining model to be shown, with And in the corresponding space-time function figure of the anaglyph each angle point coordinate;

Correction function acquiring unit, for by the corresponding space of the coordinate of angle point each in the anaglyph anaglyph In disparity map the coordinate of each angle point be fitted, obtain the corresponding correction function of the anaglyph.

Based on any of the above-described embodiment, a kind of 3D rendering correction system shown based on light field, correction function acquiring unit, It is specifically used for:

According to the following formula to every in the coordinate of each angle point in anaglyph space-time function figure corresponding with the anaglyph The coordinate of one angle point is fitted:

In formula, the abscissa set X=(x of each angle point in the anaglyph0,x1,x2,…,xa), in the anaglyph The ordinate set Y=(y of each angle point0,y1,y2,…,yb);

The abscissa set X'=(x' of each angle point in the corresponding space-time function figure of the anaglyph0,x'1,x'2,…, x'a), the ordinate set Y'=(y' of each angle point in the corresponding space-time function figure of the anaglyph0,y'1,y'2,…,y'b);t For natural number;

Thus it is as follows to obtain the corresponding correction function of the anaglyph:

In formula, f (X) is the abscissa set of each angle point in the correction image of the anaglyph, and g (Y) is the disparity map The ordinate set of each angle point in the correction image of picture.

Based on any of the above-described embodiment, a kind of 3D rendering correction system shown based on light field further includes:

Anaglyph acquiring unit is shot for treating display model by virtual camera array, is obtained to aobvious Whole anaglyphs of representation model;

Space-time function image acquisition unit, for being encoded whole anaglyphs, obtaining coded image and passing through light Field display system is shown;Coded image is shot by the 3D rendering that light display system is shown by video camera, is obtained Take space-time function image corresponding with each anaglyph.

Based on any of the above-described embodiment, a kind of 3D rendering correction system shown based on light field, light field display system includes Liquid crystal display panel, lens array and hologram functional screen.

Fig. 7 is a kind of structural schematic diagram of 3D rendering calibration equipment shown based on light field of the embodiment of the present invention, such as Fig. 7 It is shown, include based on the 3D rendering calibration equipment that light field is shown:Processor (processor) 701, communication interface (Communications Interface) 702, memory (memory) 703 and bus 704, wherein processor 701, communication Interface 702, memory 703 complete mutual communication by bus 704.Processor 701 can call patrolling in memory 703 Instruction is collected, to execute following method, for example including:The corresponding correction function of any anaglyph based on model to be shown, it is right The anaglyph is corrected, and obtains the correction image of the anaglyph;Wherein, the corresponding correction function of the anaglyph is root It is obtained according to anaglyph space-time function figure corresponding with the anaglyph;By the school of whole anaglyphs of model to be shown Positive image is encoded, and correction coding image is obtained, and correction coded image is shown by light field display system.

The embodiment of the present invention discloses a kind of computer program product, and computer program product includes being stored in non-transient calculating Computer program on machine readable storage medium storing program for executing, computer program include program instruction, when program instruction is computer-executed, Computer is able to carry out method provided by above-mentioned each method embodiment, for example including:Any parallax based on model to be shown The corresponding correction function of image, is corrected the anaglyph, obtains the correction image of the anaglyph;Wherein, the parallax The corresponding correction function of image is obtained according to anaglyph space-time function figure corresponding with the anaglyph;It will be to be shown The correction image of whole anaglyphs of model is encoded, and correction coding image is obtained, and correction coded image is passed through light field Display system is shown.

The present embodiment provides a kind of non-transient computer readable storage medium, non-transient computer readable storage medium storages Computer instruction, computer instruction make computer execute method provided by above-mentioned each method embodiment, for example including:Based on to The corresponding correction function of any anaglyph of display model, is corrected the anaglyph, obtains the school of the anaglyph Positive image;Wherein, the corresponding correction function of the anaglyph is according to anaglyph space view corresponding with the anaglyph Difference figure obtains;The correction image of whole anaglyphs of model to be shown is encoded, correction coding image, high-ranking officers are obtained Positive coded image is shown by light field display system.

Those of ordinary skill in the art will appreciate that:Realize that all or part of the steps of above method embodiment can pass through The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program When being executed, step including the steps of the foregoing method embodiments is executed;And storage medium above-mentioned includes:ROM, RAM, magnetic disk or light The various media that can store program code such as disk.

The embodiments such as communication equipment described above are only schematical, wherein unit as illustrated by the separation member It may or may not be physically separated, component shown as a unit may or may not be physics list Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness Labour in the case where, it can understand and implement.

Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation The method of certain parts of example or embodiment.

Finally it should be noted that:The above various embodiments is only to illustrate the technical solution of the embodiment of the present invention, rather than right It is limited;Although the embodiment of the present invention is described in detail referring to foregoing embodiments, the ordinary skill of this field Personnel should understand that:It is still possible to modify the technical solutions described in the foregoing embodiments, or to part Or all technical features are equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution The range of each embodiment technical solution of the embodiment of the present invention.

Claims (10)

1. a kind of 3D rendering bearing calibration shown based on light field, which is characterized in that including:
The corresponding correction function of any anaglyph based on model to be shown, is corrected any anaglyph, obtains Take the correction image of any anaglyph;Wherein, the corresponding correction function of any anaglyph is appointed according to described One anaglyph space-time function figure corresponding with any anaglyph obtains;
The correction image of whole anaglyphs of the model to be shown is encoded, correction coding image is obtained, it will be described Correction coding image is shown by light field display system.
2. the method according to claim 1, wherein any anaglyph based on model to be shown is corresponding Correction function, any anaglyph is corrected, the correction image of any anaglyph is obtained, also wraps before It includes:
Obtain the coordinate of each angle point and the corresponding sky of any anaglyph in any anaglyph of model to be shown Between in disparity map each angle point coordinate;
It will be every in the space-time function figure corresponding with any anaglyph of the coordinate of each angle point in any anaglyph The coordinate of one angle point is fitted, and obtains the corresponding correction function of any anaglyph.
3. according to the method described in claim 2, it is characterized in that, the seat by each angle point in any anaglyph The coordinate of each angle point is fitted in mark space-time function figure corresponding with any anaglyph, acquisition any parallax The corresponding correction function of image, specifically includes:
The coordinate of each angle point in any anaglyph space corresponding with any anaglyph is regarded according to the following formula The coordinate of each angle point is fitted in poor figure:
In formula, the abscissa set X=(x of each angle point in any anaglyph0,x1,x2,...,xa), any view The ordinate set Y=(y of each angle point in difference image0,y1,y2,...,yb);
The abscissa set X'=(x' of each angle point in the corresponding space-time function figure of any anaglyph0,x'1,x '2,...,x'a), the ordinate set Y'=(y' of each angle point in the corresponding space-time function figure of any anaglyph0,y '1,y'2,...,y'b);T is natural number;
Thus it is as follows to obtain the corresponding correction function of any anaglyph:
In formula, f (X) is the abscissa set of each angle point in the correction image of any anaglyph, and g (Y) is described appoints The ordinate set of each angle point in the correction image of one anaglyph.
4. according to claim 1 to method described in any claim in 3, which is characterized in that described to be based on model to be shown The corresponding correction function of any anaglyph, any anaglyph is corrected, any anaglyph is obtained Correction image, further include before:
Display model is treated by virtual camera array to be shot, and whole anaglyphs of the model to be shown are obtained;
Whole anaglyphs are encoded, coded image is obtained and is shown by the light field display system;
Coded image is shot by the 3D rendering that the light display system is shown by video camera, obtain with it is each described The corresponding space-time function image of anaglyph.
5. according to claim 1 to method described in any claim in 3, which is characterized in that the light field display system packet Include liquid crystal display panel, lens array and hologram functional screen.
6. a kind of 3D rendering correction system shown based on light field, which is characterized in that including:
Image acquisition unit is corrected, for the corresponding correction function of any anaglyph based on model to be shown, to described One anaglyph is corrected, and obtains the correction image of any anaglyph;Wherein, any anaglyph is corresponding Correction function is obtained according to any anaglyph space-time function figure corresponding with any anaglyph;
Display unit is encoded, for encoding the correction image of whole anaglyphs of the model to be shown, obtains school Positive coded image shows the correction coding image by light field display system.
7. system according to claim 6, which is characterized in that further include:
Angular coordinate acquiring unit, the coordinate of each angle point, Yi Jisuo in any anaglyph for obtaining model to be shown State the coordinate of each angle point in the corresponding space-time function figure of any anaglyph;
Correction function acquiring unit, for by any anaglyph pair described in the coordinate of each angle point in any anaglyph In the space-time function figure answered the coordinate of each angle point be fitted, obtain the corresponding correction function of any anaglyph.
8. system according to claim 6 or 7, which is characterized in that further include:
Anaglyph acquiring unit is shot for treating display model by virtual camera array, is obtained described to aobvious Whole anaglyphs of representation model;
Space-time function image acquisition unit obtains coded image and passes through institute for encoding whole anaglyphs Light field display system is stated to be shown;Coded image is carried out by the 3D rendering that the light display system is shown by video camera Shooting obtains space-time function image corresponding with each anaglyph.
9. a kind of 3D rendering calibration equipment shown based on light field, which is characterized in that including processor, communication interface, memory And bus, wherein processor, communication interface, memory complete mutual communication by bus, and processor can call storage Logical order in device, to execute the 3D rendering bearing calibration as claimed in claim 1 to 5 shown based on light field.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program quilt Processor realizes the 3D rendering bearing calibration as claimed in claim 1 to 5 shown based on light field when executing.
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