3D multimedia material object display platform
Technical field
The utility model relates to a kind of multimedia exhibition booth.Particularly relate to a kind of 3D multimedia material object display platform that can simulate eye-observation scenery process.
Background technology
Nearly 6 centimetres distance between two of the people, thus watching except the object in dead ahead, two inevitable angled differences of eyes, this difference just can form the difference of top to bottom, left and right, front and rear, distance automatically in brain, thereby produces stereoscopic vision.If let eyes respectively see on one side so can produce the not ipsilateral (small parallax is only arranged) of Same Scene, image, in brain, just can form the stereopsis of this scene so automatically.
Three-dimensional film like present appearance; Be to adopt two video cameras, (about 65mm) takes same scenery by the distance between human eye two pupils, thus the picture of the different angles that obtain (left-and right-eye images); Image is shown in the screen simultaneously, at this moment overlapping two staggered images can be occurred in the screen.Spectators as long as put on " anaglyph spectacles ", just can let left eye see left image when seeing the 3D film, and right eye is seen right image, in brain, will reappear automatically this moment to be stereopsis within reach
At present, being used to the common 2D exhibition booth of imparting knowledge to students or showing, is to adopt single video camera photographed, and the image of showing in the screen is identical, so spectators see that the scenery in the screen is not have relief scenery.In the information education development, the plane teaching demonstrates many drawbacks already, for example upgrades shortcomings such as too slow, that content is stiff, quantity of information is little, the development of more and more incompatible new teaching.
Summary of the invention
The utility model technical matters to be solved is that a kind of 3D multimedia material object display platform that can make the beholder see solid, photorealism is provided.
The technical scheme that the utility model adopted is: a kind of 3D multimedia material object display platform; Comprise: base; Be separately positioned on LED-backlit plate, control button, switch key, VGA output port and power input hole on the base; And being arranged on the sway brace on the base, described sway brace is provided with the 3D image unit that is used to make a video recording.
Described 3D image unit includes an end and is fixed on the turning axle on the sway brace, the rotatable 3D video camera that is connected the turning axle other end.
Described 3D video camera carries out 180 ° of rotations on turning axle.
Two camera lenses that described 3D video camera includes that relative LED-backlit plate is provided with and with two corresponding two groups of photo-sensitive cells of camera lens.
Described 3D image unit includes an end and is fixed on the transverse arm on the sway brace, is arranged on the LED lens assembly on the relative LED-backlit plate one side of transverse arm.
Described LED lens assembly includes a LED light filling lamp group, a CMOS camera lens, the 2nd CMOS camera lens and the 2nd LED light filling lamp group.
The 3D multimedia material object display platform of the utility model, simple in structure, only the quantity of change camera lens on basis, original multimedia exhibition booth just can change project effect, is shown as stereoeffect.That is, can carry out stereo display to the object of showing, and the switching through multi-angle, the sense of more having living space, picture is three-dimensional, true to nature, directly perceived, not only deepens student's impression, also helps the student to understand knowledge of textbook rapidly.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model;
Fig. 2 is the structure synoptic diagram of Fig. 1;
Fig. 3 is the structural representation of another embodiment of the utility model;
Fig. 4 is the structure synoptic diagram of Fig. 3.
Wherein:
1: turning axle 2: sway brace
3: base 4:LED backlight
5:3D video camera 6: camera lens
7: camera lens 8: the control button
9: switch key 10: power input hole
11:VGA output port 12:VGA output port
13: 14: the one LED light fillings of transverse arm lamp group
16: the two CMOS camera lenses of 15: the one CMOS camera lenses
17: the two LED light filling lamp groups
Embodiment
Below in conjunction with embodiment and accompanying drawing the 3D multimedia material object display platform of the utility model is made detailed description.
The 3D multimedia material object display platform of the utility model is the process of simulation eye-observation scenery.It is with two camera units, and (about 65mm) takes same scenery by the distance between human eye two pupils, thus the picture of the different angles that obtain (left-and right-eye images) image is shown in the screen simultaneously, in the screen overlapping two staggered images can appear at this moment.Spectators as long as put on " anaglyph spectacles ", just can let left eye see left image when seeing the 3D film, and right eye is seen right image, in brain, will reappear automatically this moment to be stereopsis within reach.
Like Fig. 1~shown in Figure 4, the 3D multimedia material object display platform of the utility model comprises: base 3, be separately positioned on the LED-backlit plate 4 of the A4 paper size on the base 3, and be used to illuminate and be placed on top object; The button that control button 8 and switch key 9 are used to control; VGA output port 11,12 is used for being connected with 3D projector, thereby makes image projection to the special-purpose projection screen of 3D; Power input hole 10 is used for to this 3D multimedia material object display platform power supply being provided; Be arranged on the sway brace 2 on the base 3, described sway brace 2 is provided with the 3D image unit that is used to make a video recording.
Like Fig. 1, shown in Figure 2, described 3D image unit includes an end and is fixed on the turning axle 1 on the sway brace 2, the rotatable 3D video camera 5 that is connected turning axle 1 other end, and 3D video camera 5 can carry out 180 ° of rotations on turning axle 1.Described 3D video camera 5 include two optical lens 6,7 that relative LED-backlit plate 4 is provided with and with two camera lenses, 6,7 corresponding two groups of photo-sensitive cells, according to the spacing adjustment of human eye, take respectively.Adopting the advantage of optical lens is to carry out optical zoom, and shortcoming is a complex structure.
Like Fig. 3, shown in Figure 4, described 3D image unit can also be to include an end to be fixed on the transverse arm 13 on the sway brace 2, is arranged on the CMOS lens assembly on transverse arm 13 relative LED-backlit plate 4 one sides.Described CMOS lens assembly includes a LED light filling lamp group 14, a CMOS camera lens 15, the 2nd CMOS camera lens 16 and the 2nd LED light filling lamp group 17.Adopting the advantage of CMOS camera lens is simple structure, and easy to use, shortcoming is to carry out Digital Zoom, and is influential to sharpness.
With having that the 3D multimedia material object display platform of the utility model matches:
1) projector can use 3D projector, also can be with the logical projector of 2 Daeporis with polaroid.Wherein, 3D projector costs an arm and a leg, and subsidiary glasses price is also very expensive; Common projector is with the polaroid moderate cost, and subsidiary glasses are very cheap.
2) the special-purpose projection screen of 3D, the special-purpose projection screen of 3D is a kind of of metal curtain, compares that other similar projection screens gains are high, color reducibility is good, the image stereoeffect is strong.
4) 3D glasses if adopt 3D projector, then must be used the 3D liquid crystal glasses, cost an arm and a leg, and wear uncomfortablely, and the sensation of stroboscopic is arranged.If with the scheme of common projector with polaroid, then must use polaroid glasses, the advantage of polaroid glasses is low prices, comfortable wearing.
VGA delivery outlet on the 3D multimedia material object display platform of the utility model is connected in the 3D projector, makes image projection to the special-purpose projection screen of 3D.Spectators are with the 3D glasses, just can see solid, image true to nature.