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15 November 2005 Depth image based rendering for multiview stereoscopic displays: role of information at object boundaries
Wa James Tam; Filippo Speranza; Liang Zhang; Ron Renaud; Jason Chan; Carlos Vazquez
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Proceedings Volume 6016, Three-Dimensional TV, Video, and Display IV; 601609 (2005) https://doi.org/10.1117/12.626174
Event: Optics East 2005, 2005, Boston, MA, United States
Abstract
Depth image based rendering (DIBR) is useful for multiview autostereoscopic systems because it can produce a set of new images with different camera viewpoints, based on a single two-dimensional (2D) image and its corresponding depth map. In this study we investigated the role of object boundaries in depth maps for DIBR. Using a standard subjective assessment method, we asked viewers to evaluate the depth and the image quality of stereoscopic images in which the view for the right eye was rendered using (a) full depth maps, (b) partial depth maps containing full depth information but that was only located at object boundaries and edges, and (c) partial depth maps containing binary depth information at object boundaries and edges. Results indicate that depth quality was enhanced and image quality was slightly reduced for all test conditions, compared to a reference condition consisting of 2D images. The present results confirm previous observations indicating that depth information at object boundaries is sufficient in DIBR to create new views such as to produce a stereoscopic effect. However, depth ratings for the partial depth maps tended to be slightly lower than those generated with the full depth maps. The present study also indicates that more research is needed to increase the depth and image quality of the rendered stereoscopic images based on DIBR before the technique can be of wide and practical use.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Wa James Tam, Filippo Speranza, Liang Zhang, Ron Renaud, Jason Chan, and Carlos Vazquez "Depth image based rendering for multiview stereoscopic displays: role of information at object boundaries", Proc. SPIE 6016, Three-Dimensional TV, Video, and Display IV, 601609 (15 November 2005); https://doi.org/10.1117/12.626174
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