3D Imaging is a upcoming field with tremendous research opportunities and huge economical market. This paper present detailed information about birth of 3D Imaging to the present research. 3D Imaging has a huge market at entertainment level as well as at Industrial level especially in Medical Field. The contribution of various scientists for 3D Imaging is highlighted in this paper. Moreover present research work is also taken into consideration based on depth maps.
Inhaltsverzeichnis (Table of Contents)
- I. INTRODUCTION
- II. HISTORY OF STEREOSCOPE
- III. 3D VIEWERS
- Active Viewer Systems
- Passive Viewer Systems
- Interference filter systems
- Colour anaglyph systems
- Polarization systems
- IV. TIMELINE OF 3D PHOTOGRAPHY
- V. PRESENT WORK
Zielsetzung und Themenschwerpunkte (Objectives and Key Themes)
This paper aims to provide a comprehensive overview of the history and current state of 3D imaging technology. It traces the development of 3D imaging from its origins in the stereoscope to the latest advancements in depth-based rendering for 3D television.
- The historical development of stereoscopic imaging.
- Different types of 3D viewer technologies (active and passive).
- The timeline of 3D photography and its evolution.
- Current research in depth-based 3D image generation.
- The role of 3D imaging in various fields, including entertainment and medicine.
Zusammenfassung der Kapitel (Chapter Summaries)
I. INTRODUCTION: This introductory chapter sets the stage by highlighting the ubiquitous nature of 3D perception in everyday life and contrasts this ease of human 3D perception with the challenges faced by researchers in replicating it computationally. It emphasizes the shift from marker-based and magnetic motion tracking to vision-based techniques, leading to the growth of digitalized imaging systems (HDTV, UHDTV) and the emergence of ray-based systems as a successor to pixel-based systems, driven by advancements in light ray capturing and ultimately leading to the booming market of 3DTV and the central role of Multi-View Imaging (MVI).
II. HISTORY OF STEREOSCOPE: This chapter details the historical development of the stereoscope, beginning with its invention by Sir Charles Wheatstone in 1838. It describes the device's function in merging two slightly different images to create a three-dimensional effect, showcasing its evolution from early models using mirrors and drawings to later versions employing lenses and resulting in the popularization of the Brewster stereoscope. The chapter further explores different iterations and improvements to the technology, including the development of more economical and portable stereoscopes like the Holmes stereoscope, all the way to the modern era of digital stereoscopes using mobile applications.
III. 3D VIEWERS: This chapter delves into the two primary categories of 3D viewer technology: active and passive systems. Active viewer systems, utilizing electronics within the glasses to alternate images for each eye, are contrasted with passive systems, which employ filters (interference, color anaglyph, or polarization) to selectively block or transmit light to each eye, creating a stereoscopic effect. The chapter elucidates the principles behind each type of system and provides examples such as the Dolby 3D system for interference filters and color-coded anaglyph glasses.
IV. TIMELINE OF 3D PHOTOGRAPHY: This chapter offers a chronological overview of the history of 3D photography, highlighting key milestones and technological advancements from Wheatstone's initial discovery of human depth perception using paired images in 1838 to the introduction of digital stereo cameras in recent times. It notes the pivotal role of photography in the development of 3D media, the rise and fall of stereo photography's popularity in relation to other advancements, and its eventual resurgence with modern cinema and digital technologies.
V. PRESENT WORK: This chapter focuses on current research in depth-based 3D image generation, particularly Depth-Image-Based-Rendering (DIBR), a key technology in advanced 3D television systems. It discusses the challenges involved in generating stereoscopic views from single images, the creation of depth maps, and the problem of occlusion holes arising in DIBR and methods used to mitigate this issue. The chapter also touches upon the numerous complexities of multi-view image capture, scene representation, compression, transmission, rendering, and display. It finally details the essential problem of occlusion holes appearing after pixel to pixel mapping in DIBR and the use of average filters to fill them.
Schlüsselwörter (Keywords)
3D Imaging, Stereoscope, Depth-based 3D Imaging, 3D Photography, 3DTV, Multi-View Imaging (MVI), Depth-Image-Based-Rendering (DIBR), Stereoscopic Image Generation, Anaglyph, Polarization, Active and Passive Viewer Systems.
Frequently Asked Questions: A Comprehensive Language Preview on 3D Imaging
What is the main topic of this document?
This document provides a comprehensive overview of the history and current state of 3D imaging technology. It covers the historical development of stereoscopic imaging, different 3D viewer technologies, the timeline of 3D photography, current research in depth-based 3D image generation, and the role of 3D imaging in various fields.
What are the key themes explored in this document?
The key themes include the historical development of stereoscopic imaging, starting from the invention of the stereoscope; different types of 3D viewer technologies (active and passive systems, including details on interference filter systems, color anaglyph systems, and polarization systems); a timeline of 3D photography's evolution; current research in depth-based 3D image generation, particularly Depth-Image-Based-Rendering (DIBR); and the challenges and complexities of multi-view image capture, scene representation, compression, transmission, rendering, and display.
What are the main chapters covered in the document?
The document is structured into five chapters: I. Introduction, II. History of Stereoscope, III. 3D Viewers, IV. Timeline of 3D Photography, and V. Present Work. Each chapter provides a detailed summary and analysis of its respective topic.
What is the significance of the stereoscope in the context of 3D imaging?
The stereoscope, invented by Sir Charles Wheatstone in 1838, is presented as a foundational invention in 3D imaging. The document traces its evolution from early mirror and drawing-based models to lens-based versions and its eventual adaptation into modern digital forms using mobile applications. Its importance lies in its demonstration of creating a three-dimensional effect by merging two slightly different images.
What are the different types of 3D viewer technologies discussed?
The document details active and passive 3D viewer systems. Active systems use electronics in the glasses to alternate images for each eye, while passive systems utilize filters (interference, color anaglyph, or polarization) to selectively transmit light to each eye. Specific examples, such as the Dolby 3D system (interference filters) and color-coded anaglyph glasses, are provided.
What is Depth-Image-Based-Rendering (DIBR), and why is it important?
DIBR is a key technology in advanced 3D television systems. It's a method for generating stereoscopic views from single images, creating depth maps. The document highlights the challenges of DIBR, such as occlusion holes (gaps in the image) and methods used to mitigate these issues, such as average filters.
What are the key challenges in 3D image generation discussed in the document?
The document highlights several challenges, including generating stereoscopic views from single images (as in DIBR), the creation of accurate depth maps, dealing with occlusion holes in DIBR, and the complexities of multi-view image capture, scene representation, compression, transmission, rendering, and display.
What is the role of Multi-View Imaging (MVI)?
Multi-View Imaging (MVI) is mentioned as playing a central role in the booming market of 3DTV. While not explicitly detailed, its implication is crucial for capturing and processing the multiple viewpoints necessary for creating realistic 3D experiences.
What are the keywords associated with the document?
The keywords include 3D Imaging, Stereoscope, Depth-based 3D Imaging, 3D Photography, 3DTV, Multi-View Imaging (MVI), Depth-Image-Based-Rendering (DIBR), Stereoscopic Image Generation, Anaglyph, Polarization, and Active and Passive Viewer Systems.
- Citar trabajo
- Hardik Modi (Autor), Pragnesh Patel (Autor), 2014, 3D Imaging: A Survey, Múnich, GRIN Verlag, https://www.grin.com/document/276045
