By Hirokazu Yamanoue
This e-book specializes in the 2 mental elements of naturalness and straightforwardness of viewing of third-dimensional high-definition tv (3D HDTV) photographs. it's been acknowledged that distortions odd to stereoscopic photos, comparable to the “puppet theater” impact or the “cardboard” impression, damage the feel of presence. while many past stories have excited by geometrical calculations approximately those distortions, this booklet as an alternative describes the connection among the naturalness of reproduced 3D HDTV photographs and the nonlinearity of depthwise replica. the convenience of viewing of every scene is thought of as one of many causal elements of visible fatigue. the various previous reports were serious about the exact extraction of neighborhood parallax; despite the fact that, this publication describes the common spatiotemporal distribution of parallax in 3D photos. the aim of the booklet is to envision the correlations among the mental components and volume of features of parallax distribution so one can comprehend the features of simple- and difficult-to-view photographs after which to hunt to create a brand new 3D HDTV procedure that minimizes visible fatigue for the viewer. The publication is a vital source for researchers who desire to examine and higher comprehend a number of mental results as a result of stereoscopic pictures.
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Additional resources for Stereoscopic HDTV: Research at NHK Science and Technology Research Laboratories
We do, however, need two cameras, left and right, to shoot ordinary moving objects, so this distance of 65 mm cannot be obtained unless the cameras and their lenses are adapted for this purpose. We also, therefore, investigated distances of 75 mm and 85 mm with optical axes in parallel. 5 m in five steps. These distances were obtained by moving the camera in order to avoid any subjective impressions of distance produced by moving the mannequin. 5 m for the conventional recording method, which is equivalent to the viewing distance for a 160-inch screen.
Okui, F. 6 (June. 2006) 6. R. Spottiswoode, N. L. Spottiswoode, C. Smith, “Basic Principles of the Three Dimensional Film”,SMPTE J. 59,pp. 249-286 (Oct. 1952) 7. H. Yamanoue, M. Nagayama, M. Bitou, J. Tanada, ”Orthostereoscopic conditions for 3-D HDTV” Proc. of SPIE Vol. 3295, Stereoscopic Displays and Virtual Reality Systems V (1998) 8. C. W. Smith, A. A. Dumbreck, “3-D TV: The Practical Requirements”, Television J. of Royal Television Society, pp. /Feb. 1988) 9. S. Pastoor, “Human factors of 3-D imaging: Results of recent research at Heinrich-Hertz-Institute Berlin”, Proc.
As we saw in Fig. 1, the orthostereoscopic condition involves both recording and viewing conditions and can hardly be expected to be fulfilled in all actual broadcasting. Under the condition, however, when real space is projected onto the 3-D image space at a single magnification (as calculated theoretically); the distortions characteristic of 3-D images, including the cardboard and puppet theater effects, do not emerge as far as we can tell. We analyze the reproduced 3-D space subjectively in various recording conditions, looking at objects such as the mannequin standing in the hallway shown in Fig.
Stereoscopic HDTV: Research at NHK Science and Technology Research Laboratories by Hirokazu Yamanoue