&lt;title&gt;Visual comfort and apparent depth in 3D systems: effects of camera convergence distance&lt;/title&gt;

Speranza, Filippo; Stelmach, Lew B.; Tam, Wa James; Glabb, Ryan

doi:10.1117/12.454900

Cited by 7 publications

(3 citation statements)

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“…CRC has conducted several studies on possible determinants of visual comfort in stereoscopic images, such as the effect of camera convergence [13] [14]. In the course of our studies, we have noted, like many other researchers before us, that the single most important factor that can give rise to visual discomfort is the presence of large horizontal disparities that make binocular fusion difficult.…”

Section: Stereoscopic Objects In Motion and Visual Comfortsupporting

confidence: 60%

32.1: Invited Paper: — Human Stereoscopic Vision: Research Applications for 3D‐TV

Tam

2007

Symp Digest of Tech Papers

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The Communications Research Centre (CRC) Canada has been conducting research on 3D‐TV and related stereoscopic technologies since 1995. Three areas of CRC's research on human stereoscopic vision and its application to 3D‐TV are highlighted. Firstly, we will present our work on the use of inter‐ocular masking to reduce bandwidth requirements, without sacrificing high image quality. Secondly, we will present experimental results that show the effect of stereoscopic objects in motion on visual comfort. Thirdly, we will present studies to illustrate how the tendency of the human visuo‐cognitive system to correct or fill in missing visual information can be used to generate effective stereoscopic images from sparse depth maps.

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Section: Stereoscopic Objects In Motion and Visual Comfortsupporting

confidence: 60%

32.1: Invited Paper: — Human Stereoscopic Vision: Research Applications for 3D‐TV

Tam

2007

Symp Digest of Tech Papers

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“…From the fact that vertical disparities are actually a depth cue, there has been a debate on whether vertical disparities can be a source of visual fatigue, since they are naturally present in retinal images. Stelmach et al [60] and [56] claim that keystone and depth plane curvature cause minimal discomfort: images plane shift (equivalent to rectified images) and toed-in cameras are equally comfortable in their opinion. However, we must distinguish between visual discomfort, which is conscious, and visual fatigue, where the viewer may not be conscious of the problem during the experiment, but headache, eyestrain, or long-term effects can happen.…”

Section: Vertical Disparitymentioning

confidence: 99%

Image and Geometry Processing for 3-D Cinematography

Ronfard¹,

Taubin²

2010

Geometry and Computing

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International audienceThe book presents an overview of 3-D cinematography, the science and technology of generating 3-D models of dynamic scenes from multiple cameras at video frame rates. The book covers recent developments in computer vision and computer graphics that have made 3-D cinematography possible, and reviews the challenges and open issues that need to be addressed in future work. Important applications areas are presented, including production of stereoscopic movies, full 3-D animation from multiple videos, special effects for more traditional movies, and broadcasting of multiple-viewpoint television. The book brings together researchers and practitioners from computer graphics, computer vision, broadcasting and motion pictures, to offer a broad perspective on all current areas of research related to the production of high quality 3-D models of live-action scenes

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“…Even though from this disparity a bias indepth perception is expected, there are no conclusive proofs that vertical disparity can induce visual discomfort (Speranza et al, 2002;and Allison, 2007). In our case (virtual toed-in configuration) the vertical disparity is not noticeable, since this effect is acuter in the corner of the photograms, and we propose to conduct the renderization in very narrow strips.…”

Section: Handling the Parallaxmentioning

confidence: 99%

Extending the Life of Virtual Heritage: Reuse of TLS Point Clouds In Synthetic Stereoscopic Spherical Images

Fernández

Kalle

Joutsiniemi

2017

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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ABSTRACT:Recent advances in Terrestrial Laser Scanner (TLS), in terms of cost and flexibility, have consolidated this technology as an essential tool for the documentation and digitalization of Cultural Heritage. However, once the TLS data is used, it basically remains stored and left to waste.How can highly accurate and dense point clouds (of the built heritage) be processed for its reuse, especially to engage a broader audience? This paper aims to answer this question by a channel that minimizes the need for expert knowledge, while enhancing the interactivity with the as-built digital data: Virtual Heritage Dissemination through the production of VR content.Driven by the ProDigiOUs project's guidelines on data dissemination (EU funded), this paper advances in a production path to transform the point cloud into virtual stereoscopic spherical images, taking into account the different visual features that produce depth perception, and especially those prompting visual fatigue while experiencing the VR content. Finally, we present the results of the Hiedanranta's scans transformed into stereoscopic spherical animations.

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<title>Visual comfort and apparent depth in 3D systems: effects of camera convergence distance</title>

Cited by 7 publications

References 0 publications

32.1: Invited Paper: — Human Stereoscopic Vision: Research Applications for 3D‐TV

32.1: Invited Paper: — Human Stereoscopic Vision: Research Applications for 3D‐TV

Image and Geometry Processing for 3-D Cinematography

Extending the Life of Virtual Heritage: Reuse of TLS Point Clouds In Synthetic Stereoscopic Spherical Images

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