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3D Displays

ISBN: 978-1-119-96304-2
224 pages
December 2011
3D Displays (1119963044) cover image
This book addresses electrical engineers, physicists, designers of flat panel displays (FDPs), students and also scientists from other disciplines interested in understanding the various 3D technologies. A timely guide is provided to the present status of development in 3D display technologies, ready to be commercialized as well as to future technologies.

Having presented the physiology of 3D perception, the book progresses to a detailed discussion of the five 3D technologies: stereoscopic and autostereoscopic displays; integral imaging; holography and volumetric displays, and:

  • Introduces spatial and temporal multiplex for the two views needed for stereoscopic and autostereoscopic displays;
  • Outlines dominant components such as retarders for stereoscopic displays, and fixed as well as adjustable lenticular lenses and parallax barriers for auto- stereoscopic  displays;
  • Examines the high speed required for 240 Hz frames provided by parallel addressing and the recently proposed interleaved image processing;
  • Explains integral imaging, a true 3D system, based on the known lenticulars which is explored up to the level of a 3D video projector using real and virtual images;
  • Renders holographic 3D easier to understand by using phasors known from electrical engineering and optics leading up to digital computer generated holograms;
  • Shows volumetric displays to be limited by the number of stacked FPDs; and,
  • Presents algorithms stemming from computer science to assess 3D image quality and to allow for bandwidth saving transmission of 3D TV signals.

The Society for Information Display (SID) is an international society, which has the aim of encouraging the development of all aspects of the field of information display. Complementary to the aims of the society, the Wiley-SID series is intended to explain the latest developments in information display technology at a professional level. The broad scope of the series addresses all facets of information displays from technical aspects through systems and prototypes to standards and ergonomics

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Preface xi

Series Preface xiii

Introduction xv

1 The Physiology of 3D Perception 1

1.1 Binocular Viewing or Human Stereopsis 1

1.2 The Mismatch of Accommodation and Disparity and the Depths of Focus and of Field 3

1.3 Distance Scaling of Disparity 6

1.4 Interocular Crosstalk 7

1.5 Psychological Effects for Depth Perception 10

1.6 High-Level Cognitive Factor 10

Acknowledgments 11

References 11

2 Stereoscopic Displays 13

2.1 Stereoscopic Displays with Area Multiplexing 13

2.1.1 Retarders for the generation of polarizations 13

2.1.2 Wire grid polarizers for processing of the second view 20

2.1.3 Stereoscopic display with two LCDs 22

2.2 Combined Area and Time Division Multiplex for 3D Displays 26

2.3 Stereoscopic Time Sequential Displays 31

2.3.1 Time sequential viewing with an active retarder 31

2.3.2 Fast time sequential 3D displays by the use of OCB LCDs 33

2.3.3 Time sequential 3D displays with black insertions 33

2.4 Special Solutions for Stereoscopic Displays 41

2.5 Stereoscopic Projectors 48

2.6 Interleaved, Simultaneous, and Progressive Addressing of AMOLEDs and AMLCDs 60

2.7 Photo-Induced Alignment for Retarders and Beam Splitters 68

Acknowledgments 68

References 69

3 Autostereoscopic Displays 73

3.1 Spatially Multiplexed Multiview Autostereoscopic Displays with Lenticular Lenses 73

3.2 Spatially Multiplexed Multiview Autostereoscopic Displays with Switchable Lenticular Lenses 85

3.3 Autostereoscopic Displays with Fixed and Switchable Parallax Barriers 95

3.4 Time Sequential Autostereoscopic Displays and Directional Backlights 104

3.4.1 Time sequential displays with special mirrors or 3D films 105

3.4.2 Time sequential displays with directionally switched backlights 109

3.5 Depth-Fused 3D Displays 115

3.6 Single and Multiview 3D Displays with a Light Guide 125

3.7 Test of 3D Displays and Medical Applications 129

Acknowledgments 129

References 130

4 Assessment of Quality of 3D Displays 133

4.1 Introduction and Overview 133

4.2 Retrieving Quality Data from Given Images 135

4.3 Algorithms Based on Objective Measures Providing Disparity or Depth Maps 136

4.3.1 The algorithm based on the sum of absolute differences 136

4.3.2 Smoothness and edge detection in images 140

4.4 An Algorithm Based on Subjective Measures 146

4.5 The Kanade–Lucas–Toman (KLT) Feature Tracking Algorithm 153

4.6 Special Approaches for 2D to 3D Conversion 158

4.6.1 Conversion of 2D to 3D images based on motion parallax 159

4.6.2 Conversion from 2D to 3D based on depth cues in still pictures 161

4.6.3 Conversion from 2D to 3D based on gray shade and luminance setting 162

4.7 Reconstruction of 3D Images from Disparity Maps Pertaining to Monoscopic 2D or 3D Originals 165

4.7.1 Preprocessing of the depth map 165

4.7.2 Warping of the image creating the left and the right eye views 167

4.7.3 Disocclusions and hole-filling 172

4.7.4 Special systems for depth image-based rendering (DIBR) 176

Acknowledgments 182

References 183

5 Integral Imaging 185

5.1 The Basis of Integral Imaging 186

5.2 Enhancement of Depth, Viewing Angle, and Resolution of 3D Integral Images 188

5.2.1 Enhancement of depth 189

5.2.2 Enlargement of viewing angle 193

5.2.3 Enhancing resolution 195

5.3 Integral Videography 196

5.4 Convertible 2D/3D Integral Imaging 207

Acknowledgments 214

References 214

6 Holography for 3D Displays 217

6.1 Introduction and Overview 217

6.2 Recording a Hologram and Reconstruction of the Original 3D Image 218

6.3 A Holographic Screen 227

6.4 Digital Holography Based on the Fourier Transform 229

6.5 A Holographic Laser Projector 232

Acknowledgments 235

References 235

7 Volumetric 3D Displays 237

7.1 The Nature of Volumetric Displays 237

7.2 Accessing and Activating Voxels in Static Volumetric Displays 238

7.3 Swept Volume or Mechanical 3D Displays 245

Acknowledgments 252

References 252

8 A Shot at the Assessment of 3D Technologies 253

Index 257

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“Ernst Lueder’s latest book in the SID–Wiley series, 3D Displays, does an excellent job of taking the incredible diversity of 3D display development and distilling it into key sub-areas … In summary, 3D Displays is encyclopedic in scope, a great reference, and a recommended purchase.”  (Information Display, 1 May 2012)

 

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