3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also...

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3D Display Technology TYWu

Transcript of 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also...

Page 1: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

3D Display Technology3D Display Technology

TYWu

Page 2: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

3D Display Technology

• Seeing in Depth – Not only X and Y axis, but also Z– Stereoscopic Image

• Technologies– Eyeglass– Eyeglassless

Page 3: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

Spatial Division

• Head Mounted Displays (HMD)– http://www.i-glassesstore.com/

Page 4: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

Polarization Division

• Polarization– Linear polarization

Page 5: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

Polarization Division

• Polarization LCD– JVC Passive Xpol system– Linear polarization

• http://www.youtube.com/watch?v=rbx3K1xBxVU&feature=related

Page 6: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

Polarization Division

• Polarization (Linear) LCD– iZ3D

Page 7: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

Polarization Division

• Polarization (Linear) LCD– http://

viml.nchc.org.tw/blog/paper_info.php?CLASS_ID=1&SUB_ID=1&PAPER_ID=145

Page 8: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

Polarization Division

• Linear polarization – Any effort to tilt the head sideways would

result in the polarization failing, ghosting, and both eyes seeing both images.

– Circular polarization has alleviated this problem.

Page 9: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

Polarization Division

• Polarization– Circularly

Polarization• If light is composed of

two plane waves of equal amplitude by differing in phase by 90°

Page 10: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

Polarization Division

• Polarization– Circularly

Polarization

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Polarization Division

• Polarization LCD– Images are displayed from top to bottom

with alternative lines assigned to left and right eyes.

– Resolution Penalty

Page 13: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

Polarization Division

• Polarization LCD– Advantage

• Full-color display• Flicker-free• Polarizing glasses (passive) are cheap• Youtube

– http://www.youtube.com/watch?v=rZgNpzqIIaw&NR=1

– http://www.youtube.com/watch?v=Sdv0J57_U5g

Page 14: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

Polarization Division

• Two Projectors

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Wavelength Division

• Standard LCD– Red/Blue method– Japan’s BS11 satellite channel

• Side-by-Side

– Method adopted by Arisawa– Line-by-Line

– AdvantageGlasses (passive) are very cheap

Page 16: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

Wavelength Division

• Illustration 1

Page 17: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

Wavelength Division

• Illustration 2– Input: Side by Side

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Wavelength Division

• Standard LCD– Example

• http://www.youtube.com/watch?v=dHG2IWV1caE&feature=related

Page 19: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

Wavelength Division

• Anaglyph techniques– Color separation technique– Use two complementary colors to display the

left and right views respectively– Use red and green (blue) glasses to observe

it– Adv.: simplicity and economical

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Wavelength Division

• Anaglyph Technique

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Wavelength Division

• Anaglyph Technique

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Wavelength Division

• 如果您沒有紅藍立體眼鏡,歡迎您附回郵索取。回郵請寄 :

• 台北縣三重市光復路一段 88-11 號 8 樓馬路科技顧問股份有限公司 辛金星先生收

• http://www.iz3d.com.tw/news_into.php?id=MTc3

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Time Division

• 120 Hz LCD– Glasses are very expensive– Shutter Glasses (Active Glasses)

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Time Division

• 120 Hz LCD/Projector– Glasses

• NVIDIA "Geoforce" Graphics card +

Projector itself needs to be NVIDIA certified• The glasses work by communicating with an external USB

controller/IR (Infrared) emitter.

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Time Division

• 120 Hz LCD– 3D Wired Shutter Glasses (Cheap)– http://www.youtube.com/watch?v=mM9NnN9Cebc

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Time Division

• DLP 3D Ready Projector• http://www.dlp.com/projector/dlp-innovations/dlp-

link.aspx

Page 27: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

Time Division

• 利用 DMD (Digital Micromirror Device) 反應速度高達 16~25μs (40~62.5 KHz) 的特性,在左右視角畫面之間插入2ms 的灰階訊號 (Gray Scale Signals) 畫面,快門式眼鏡內建 Sensor 偵側畫面灰階訊號藉以切換左右眼

• DLP-Link 優點: (1) 無需同步訊號發射器; (2) 投影機端無附加硬體成本,業者導入速度快

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Autostereoscopic Display (Eyeglassless)

• Without Glasses– Philips 42" 3DWOW

Page 29: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

Eyeglassless

• Parallax Barrier

• Lenticular Lenslets

Page 30: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

Eyeglassless

• Techniques– http://www.mrl.nyu.edu/~perlin/demos/

autostereo.html#autoshutter

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Troubles

• 人眼雖對焦在 3D 銀幕上,但凝視不同距離的 3D 影像內容,兩眼內聚夾角會改變,違反對焦與內聚同步改變的自然現象。– 經訓練能適應這種不自然的觀看環境,但跟 2D

影像相比,兩眼內聚夾角如隨 3D 內容不斷改變,容易使控制眼球的肌肉疲勞。

• 立體視覺就像色盲一樣,不是人人都能感受得到,約有百分之四人沒有立體視覺,一成五的人立體視覺異常,這些人都不適合觀看 3D 影像。

Page 32: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

Troubles

• Illustration

Screen

3D Video

Focus Distance

Natural Environment

Focus Distance

Page 33: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

Tools

• Stphmkre– http://stereo.jpn.org/eng/stphmkr/– File/Open Left/Right Images…– File/Open Stereo Image…

• Stereo/ColorAnaglyph• Etc.

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Tools

• Image (side by side)

Page 35: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

Tools

• Result

Page 36: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

Tools

• 3D Maker– Filter/3D Glasses– File/Open Picture– Set X and Y Offsets– Mark the area by mouse– Convert

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Tools

• Illustration

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Tools

• 3D Video Player– Stereoscopic Player– http://www.iz3d.com.tw/support_1.php

Page 39: 3D Display Technology TYWu. 3D Display Technology Seeing in Depth –Not only X and Y axis, but also Z –Stereoscopic Image Technologies –Eyeglass –Eyeglassless.

References

• http://www.iz3d.com.tw/• http://viml.nchc.org.tw/blog/paper_info.php?CLASS_ID=1&SUB_ID=

1&PAPER_ID=145• http://www.nvidia.com/object/product_GeForce_3D_VisionBundle_u

s.html• http://viml.nchc.org.tw/blog/paper_info.php?CLASS_ID=1&SUB_ID=

1&PAPER_ID=142• http://andrew.csie.ncyu.edu.tw/pdf3/050504.pdf• http://www.fpd.edu.tw/entry/content!newsView.htm?id=302• http://www.taifook.com/data/taiwan/pdf/

2010031654022_02_new.pdf• http://www.3d-forums.com/autostereoscopic-displays-t1.html