CN105761558A - Naked eye 3D teaching tool - Google Patents

Naked eye 3D teaching tool Download PDF

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Publication number
CN105761558A
CN105761558A CN201610218365.0A CN201610218365A CN105761558A CN 105761558 A CN105761558 A CN 105761558A CN 201610218365 A CN201610218365 A CN 201610218365A CN 105761558 A CN105761558 A CN 105761558A
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CN
China
Prior art keywords
bore hole
teaching aid
pixel
naked eye
module
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CN201610218365.0A
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Chinese (zh)
Inventor
魏强
蒋玮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Profit Intelligent Technology Co Ltd
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Chengdu Profit Intelligent Technology Co Ltd
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Priority to CN201610218365.0A priority Critical patent/CN105761558A/en
Publication of CN105761558A publication Critical patent/CN105761558A/en
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
    • G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
    • G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/106—Processing image signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/305—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using lenticular lenses, e.g. arrangements of cylindrical lenses

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

The invention belongs to the technical field of teaching tools and specifically relates to a naked eye 3D teaching tool which comprises a naked eye 3D display module, a naked eye 3D combining module, a naked eye 3D driving module and a teaching tool control module, wherein the naked eye 3D display module is a naked eye 3D liquid crystal display module group having a naked eye 3D display function, the naked eye 3D liquid crystal display module group comprise a column-shaped stereoscopic lens optical grating and a liquid crystal display screen, the naked eye 3D compositing module comprises a naked eye 3D composition calculating unit and a virtual teaching tool unit, teaching tool resources are stored in the virtual teaching tool unit, the naked eye 3D composition calculating unit is used for converting the teaching tool resources in the virtual teaching tool unit into three-dimensional stereoscopic images used for 3D display, the naked eye 3D driving module is used for receiving input signals of the naked eye 3D composition module and driving the naked eye 3D display module to display images, and the teaching tool control module comprises an input unit and a control unit. The beneficial effects of the naked eye 3D teaching tool are that a problem that a conventional teaching tool is inconvenient to carry around, single in function, insufficient in fun and practicality, and poor in teaching effects can be solved.

Description

Naked look 3D teaching aid
Technical field
The invention belongs to teaching aid technical field, look 3D teaching aid more particularly to one is naked.
Background technology
Teaching aid, as the apparatus of teacher's aided education, has the irreplaceable important function of other means.For different sections at school age, the teaching of reasonable employment teaching aid can help teacher more vivid transmit important knowledge to student.Teacher needs teaching aid really to include in teaching process according to different sections purpose, base oneself upon reality and attach most importance to initiative spirit and the ability of practice and set up new teaching method, students ' interest of study, Developing Students ' innovative thinking power, moreover it is possible to be effectively improved quality of instruction and efficiency can be excited.Teaching aid use in teaching has intuitive, practicalness, typicality and teaching and research property etc., the reasonable employment of teaching aid can promote the concrete perception of student to combine with abstract thinking, reduce the difficulty of students abstract conception, help it to form clear and definite concept, develop its observation ability and ability of thinking, improve student learning interest and enthusiasm.
But after entering 21st century, along with curriculum reform, development in science and technology, traditional teaching aid no longer can meet the demand of teacher's teaching.The material heaviness that traditional teaching aid is not merely limited to make is dull, and function singleness complicated operation and be inconvenient to carry, the representability on classroom is not enough, no longer can meet the fresh course demand for teaching.
Development along with bore hole 3D technology, more and more applied and all trades and professions at present, occurred in that such as products such as bore hole 3D advertisement machine, but be there is presently no the naked 3D teaching aid of looking of appearance, effect according to bore hole 3D, being applied to teaching aid is have bigger social meaning.
Summary of the invention
The invention aims to solve tradition teaching aid Problems existing, it is proposed to one is naked looks 3D teaching aid, provide for the teaching that teacher is vivid and help greatly.
The technical scheme is that and naked look 3D teaching aid, it is characterised in that including:
Bore hole 3D display module, for having the bore hole 3D liquid crystal display module of bore hole 3D display function；Described bore hole 3D liquid crystal display module includes column lens stereoscope grating and LCDs；
Bore hole 3D synthesis module, including bore hole 3D composite calulation unit and virtual teaching aid unit；In described virtual teaching aid unit, storage has a teaching aid resource, naked depending on 3D composite calulation unit for the teaching aid resource in virtual teaching aid unit is converted to for the 3D three-dimensional image shown；
Bore hole 3D drives module, for receiving the input signal of bore hole 3D synthesis module, and drives bore hole 3D display module to display；
Teaching aid controls module, including input block and control unit；Described input block is connected with control unit and virtual teaching aid unit respectively, for inputting teaching aid resource to virtual teaching aid unit and input control signal to control unit, described control unit drives module to be connected with bore hole 3D, for being driven the display content format of module modulation bore hole 3D display module by bore hole 3D.
Further, described column lens stereoscope grating adopts cylindrical lens technology, for forming the lens stereoscope array of N viewpoint, then, described naked bore hole 3D solid river nomography is adopted to be converted to teaching aid resource for the 3D three-dimensional image shown depending on 3D composite calulation unit, particularly as follows:
Rgb pixel in virtual teaching aid image is carried out ranking again, sets up N viewpoint bore hole mapping table, wherein,
It is adopt equation below to the mode of R pixel again ranking:
R a t i o n . R = N - ( f mod ( x 1 - X o f f n P i t c h * N - 3 * ( y 1 - Y o f f ) * _ C o t ) , _ n P i t c h )
X1=(IN.Tex0*_Width) * 3
Y1=((1-IN.Tex0) * _ Height)
It is adopt equation below to the mode of G pixel again ranking:
R a t i o n . G = N - ( f mod ( x 2 - X o f f n P i t c h * N + 1 - 3 * ( y 2 - Y o f f ) * _ C o t ) , _ n P i t c h )
X2=(IN.Tex0*_Width) * 3+1
Y2=((1-IN.Tex0) * _ Height)
It is adopt equation below to the mode of B pixel again ranking:
R a t i o n . B = N - ( f mod ( x 3 - X o f f n P i t c h * N + 2 - 3 * ( y 3 - Y o f f ) * _ C o t ) , _ n P i t c h )
X3=(IN.Tex0*_Width) * 3+2
Y3=((1-IN.Tex0) * _ Height)
nullWherein，N is the viewpoint number of this bore hole mapping table，Fmod () is the function of modulus，Ratio.R is the position that sub-pixel R is correct in N viewpoint bore hole mapping table，X1 and y1 is sub-pixel R relative coordinate in original image，Ratio.G is the position that sub-pixel G is correct in N viewpoint bore hole mapping table，X2 and y2 is sub-pixel G relative coordinate in original image，Ratio.B is the position that sub-pixel B is correct in N viewpoint bore hole mapping table，X3 and y3 is sub-pixel R relative coordinate in original image，IN.Tex () is this rgb pixel relative position in original image，_ Width and _ Height is the height and width in original image resolution，The relative displacement that Xoff and Yoff is sub-pixel is set by user oneself，The physical optical parameter that _ Cot and _ nPitch is column lens stereoscope grating represents the skew slope of grating and the optical physics width of single sub-pixel point respectively；
After obtaining the N viewpoint bore hole mapping table of each sub-pixel point R, G, B, synthesize the ranking method of three-dimensional image for arrange sub-pixel point one by one according to N viewpoint bore hole mapping table, particularly as follows:
R = ( N 1 * ( 1 - R a t i o n . R n p i c t h ) + N 2 * R a t i o n . R n p i c t h )
G = ( N 1 * ( 1 - R a t i o n . G n p i c t h ) + N 2 * R a t i o n . G n p i c t h )
B = ( N 1 * ( 1 - R a t i o n . B n p i c t h ) + N 2 * R a t i o n . B n p i c t h )
Wherein, N1 is the viewpoint number of current view point, and satisfied with the relation of N2: if N1+1=N, then N2=0.
Further, described input block includes audio-video interface, photographic head and sound input end.
Beneficial effects of the present invention is, solve tradition teaching aid inconvenient to carry, function singleness, lack interesting and practicalness, teaching efficiency difference problem, the teaching aid of entity is converted into the 3D teaching aid shown, it is possible not only to realize the comprehensive of multidisciplinary teaching aid, moreover it is possible to freely edit teaching aid module according to the needs of different teachers, greatly improve multiformity and the practicality of teaching aid.
Detailed description of the invention
Technical scheme is described below in detail:
The naked of present invention proposition looks 3D teaching aid, including:
Bore hole 3D display module, for having the bore hole 3D liquid crystal display module of bore hole 3D display function；Described bore hole 3D liquid crystal display module includes column lens stereoscope grating and LCDs；
Bore hole 3D synthesis module, including bore hole 3D composite calulation unit and virtual teaching aid unit；In described virtual teaching aid unit, storage has a teaching aid resource, naked depending on 3D composite calulation unit for the teaching aid resource in virtual teaching aid unit is converted to for the 3D three-dimensional image shown；
Bore hole 3D drives module, for receiving the input signal of bore hole 3D synthesis module, and drives bore hole 3D display module to display；
Teaching aid controls module, including input block and control unit；Described input block is connected with control unit and virtual teaching aid unit respectively, for inputting teaching aid resource to virtual teaching aid unit and input control signal to control unit, described control unit drives module to be connected with bore hole 3D, for being driven the display content format of module modulation bore hole 3D display module by bore hole 3D.
The column lens stereoscope grating that the present invention adopts adopts cylindrical lens technology, for forming the lens stereoscope array of N viewpoint, then, described naked bore hole 3D solid river nomography is adopted to be converted to teaching aid resource for the 3D three-dimensional image shown depending on 3D composite calulation unit, particularly as follows:
Rgb pixel in virtual teaching aid image is carried out ranking again, sets up N viewpoint bore hole mapping table, wherein,
It is adopt equation below to the mode of R pixel again ranking:
R a t i o n . R = N - ( f mod ( x 1 - X o f f n P i t c h * N - 3 * ( y 1 - Y o f f ) * _ C o t ) , _ n P i t c h )
X1=(IN.Tex0*_Width) * 3
Y1=((1-IN.Tex0) * _ Height)
It is adopt equation below to the mode of G pixel again ranking:
R a t i o n . G = N - ( f mod ( x 2 - X o f f n P i t c h * N + 1 - 3 * ( y 2 - Y o f f ) * _ C o t ) , _ n P i t c h )
X2=(IN.Tex0*_Width) * 3+1
Y2=((1-IN.Tex0) * _ Height)
It is adopt equation below to the mode of B pixel again ranking:
R a t i o n . B = N - ( f mod ( x 3 - X o f f n P i t c h * N + 2 - 3 * ( y 3 - Y o f f ) * _ C o t ) , _ n P i t c h )
X3=(IN.Tex0*_Width) * 3+2
Y3=((1-IN.Tex0) * _ Height)
nullWherein，N is the viewpoint number of this bore hole mapping table，Fmod () is the function of modulus，Ratio.R is the position that sub-pixel R is correct in N viewpoint bore hole mapping table，X1 and y1 is sub-pixel R relative coordinate in original image，Ratio.G is the position that sub-pixel G is correct in N viewpoint bore hole mapping table，X2 and y2 is sub-pixel G relative coordinate in original image，Ratio.B is the position that sub-pixel B is correct in N viewpoint bore hole mapping table，X3 and y3 is sub-pixel R relative coordinate in original image，IN.Tex () is this rgb pixel relative position in original image，_ Width and _ Height is the height and width in original image resolution，The relative displacement that Xoff and Yoff is sub-pixel is set by user oneself，The physical optical parameter that _ Cot and _ nPitch is column lens stereoscope grating represents the skew slope of grating and the optical physics width of single sub-pixel point respectively；
After obtaining the N viewpoint bore hole mapping table of each sub-pixel point R, G, B, the ranking method of synthesis three-dimensional image is arrange sub-pixel point according to N viewpoint bore hole mapping table idea, particularly as follows:
R = ( N 1 * ( 1 - R a t i o n . R n p i c t h ) + N 2 * R a t i o n . R n p i c t h )
G = ( N 1 * ( 1 - R a t i o n . G n p i c t h ) + N 2 * R a t i o n . G n p i c t h )
B = ( N 1 * ( 1 - R a t i o n . B n p i c t h ) + N 2 * R a t i o n . B n p i c t h )
Wherein, N1 is the viewpoint number of current view point, and satisfied with the relation of N2: if N1+1=N, then N2=0.
The teaching aid of the present invention can pass through input module and freely edit the content of virtual teaching aid unit, makes educator can freely edit teaching aid module as required, enriches the kind of teaching aid greatly, and production method is simple simultaneously, it is not necessary to spend unnecessary cost.
The audio frequency and video input interface of the expansible increase various criterion of input block of the present invention simultaneously, meets the demand playing other guide.
In order to meet diversified demand, input module can input control signal and control the display mode of teaching aid, such as upset, zoom etc.；User can be allowed by input function to be participated in the content of courses of teaching aid simultaneously, by the Display Technique of bore hole 3D make teaching aid life-like and user mutual, strengthen sense of participation and the acceptance of user, it is truly realized the multimedia teaching taught through lively activities, form rational teaching process structure, reach optimized teaching efficiency.

Claims (3)

1. naked look 3D teaching aid, it is characterised in that including:
Bore hole 3D display module, for having the bore hole 3D liquid crystal display module of bore hole 3D display function；Described bore hole 3D liquid crystal display module includes column lens stereoscope grating and LCDs；
Bore hole 3D synthesis module, including bore hole 3D composite calulation unit and virtual teaching aid unit；In described virtual teaching aid unit, storage has a teaching aid resource, naked depending on 3D composite calulation unit for the teaching aid resource in virtual teaching aid unit is converted to for the 3D three-dimensional image shown；
Bore hole 3D drives module, for receiving the input signal of bore hole 3D synthesis module, and drives bore hole 3D display module to display；
Teaching aid controls module, including input block and control unit；Described input block is connected with control unit and virtual teaching aid unit respectively, for inputting teaching aid resource to virtual teaching aid unit and input control signal to control unit, described control unit drives module to be connected with bore hole 3D, for being driven the display content format of module modulation bore hole 3D display module by bore hole 3D.
2. according to claim 1 naked look 3D teaching aid, it is characterized in that, described column lens stereoscope grating adopts cylindrical lens technology, for forming the lens stereoscope array of N viewpoint, then, described naked bore hole 3D solid river nomography is adopted to be converted to teaching aid resource for the 3D three-dimensional image shown depending on 3D composite calulation unit, particularly as follows:
Rgb pixel in virtual teaching aid image is carried out ranking again, sets up N viewpoint bore hole mapping table, wherein,
It is adopt equation below to the mode of R pixel again ranking:
R a t i o n . R = N - ( f mod ( x 1 - X o f f n P i t c h * N - 3 * ( y 1 - Y o f f ) * _ C o t ) , _ n P i t c h )
X1=(IN.Tex0*_Width) * 3
Y1=((1-IN.Tex0) * _ Height)
It is adopt equation below to the mode of G pixel again ranking:
R a t i o n . G = N - ( f mod ( x 2 - X o f f n P i t c h * N + 1 - 3 * ( y 2 - Y o f f ) * _ C o t ) , _ n P i t c h )
X2=(IN.Tex0*_Width) * 3+1
Y2=((1-IN.Tex0) * _ Height)
It is adopt equation below to the mode of B pixel again ranking:
R a t i o n . B = N - ( f mod ( x 3 - X o f f n P i t c h * N + 2 - 3 * ( y 3 - Y o f f ) * _ C o t ) , _ n P i t c h )
X3=(IN.Tex0*_Width) * 3+2
Y3=((1-IN.Tex0) * _ Height)
nullWherein，N is the viewpoint number of this bore hole mapping table，Fmod () is the function of modulus，Ratio.R is the position that sub-pixel R is correct in N viewpoint bore hole mapping table，X1 and y1 is sub-pixel R relative coordinate in original image，Ratio.G is the position that sub-pixel G is correct in N viewpoint bore hole mapping table，X2 and y2 is sub-pixel G relative coordinate in original image，Ratio.B is the position that sub-pixel B is correct in N viewpoint bore hole mapping table，X3 and y3 is sub-pixel R relative coordinate in original image，IN.Tex () is this rgb pixel relative position in original image，_ Width and _ Height is the height and width in original image resolution，The relative displacement that Xoff and Yoff is sub-pixel is set by user oneself，The physical optical parameter that _ Cot and _ nPitch is column lens stereoscope grating represents the skew slope of grating and the optical physics width of single sub-pixel point respectively；
After obtaining the N viewpoint bore hole mapping table of each sub-pixel point R, G, B, synthesize the ranking method of three-dimensional image for arrange sub-pixel point one by one according to N viewpoint bore hole mapping table, particularly as follows:
R = ( N 1 * ( 1 - R a t i o n . R n p i c t h ) + N 2 * R a t i o n . R n p i c t h )
G = ( N 1 * ( 1 - R a t i o n . G n p i c t h ) + N 2 * R a t i o n . G n p i c t h )
B = ( N 1 * ( 1 - R a t i o n . B n p i c t h ) + N 2 * R a t i o n . B n p i c t h )
Wherein, N1 is the viewpoint number of current view point, and satisfied with the relation of N2: if N1+1=N, then N2=0.
3. according to claim 2 naked look 3D teaching aid, it is characterised in that described input block includes audio-video interface, photographic head and sound input end.
CN201610218365.0A 2016-04-11 2016-04-11 Naked eye 3D teaching tool Pending CN105761558A (en)

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CN108711315A (en) * 2018-04-27 2018-10-26 伍伟权 A kind of Art undergraduate device for the bore hole 3D technology that portable is comprehensive
CN109493655A (en) * 2018-12-21 2019-03-19 广州亚普机电设备科技有限公司 A kind of power battery 3D virtual emulation interaction experience system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108711314A (en) * 2018-04-27 2018-10-26 伍伟权 A kind of Art undergraduate device using line holographic projections and bore hole 3D technology
CN108711315A (en) * 2018-04-27 2018-10-26 伍伟权 A kind of Art undergraduate device for the bore hole 3D technology that portable is comprehensive
CN109493655A (en) * 2018-12-21 2019-03-19 广州亚普机电设备科技有限公司 A kind of power battery 3D virtual emulation interaction experience system

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