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Paper Abstract and Keywords
Presentation 2010-10-15 09:50
The cardboard effect in stereoscopic images can be reduced by using smoothed depth maps
Koichi Shimono (TUMSAT), Wa James Tam, Carlos Vazquez, Filippo Speranza, Ron Renaud (CRC Canada)
Abstract (in Japanese) (See Japanese page) 
(in English) We report an experimental study that shows the cardboard effect, which has been often reported for stereo-images, can be reduced by smoothing the depth map of one of stereo-image pair. In the study we first smoothed the depth map from an original image of the left eye in a stereo-image pair, and rendered a new image for the right eye using the depth map and the left eye image based on the depth-image rendering method. Observers estimated the quality of the original stereo-images and the rendered stereo-images in terms of the degree of the cardboard effect, the depth quality and the visual comfort. The results from 16 viewers indicated that the processed stereoscopic image pairs tended to exhibit a reduced cardboard effect, a similar visual comfort, and a rather reduced depth quality, compared to the original stereoscopic image pairs.
Keyword (in Japanese) (See Japanese page) 
(in English) 3-D / 3D-TV / depth maps / cardboard effect / depth map smoothing / depth image based rendering / depth quality /  
Reference Info. ITE Tech. Rep.
Paper #  
Date of Issue  
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Committee HI CE IEICE-HIP  
Conference Date 2010-10-14 - 2010-10-15 
Place (in Japanese) (See Japanese page) 
Place (in English) RIEC, Tohoku Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IEICE-HIP 
Conference Code 2010-10-HIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) The cardboard effect in stereoscopic images can be reduced by using smoothed depth maps 
Sub Title (in English)  
Keyword(1) 3-D  
Keyword(2) 3D-TV  
Keyword(3) depth maps  
Keyword(4) cardboard effect  
Keyword(5) depth map smoothing  
Keyword(6) depth image based rendering  
Keyword(7) depth quality  
1st Author's Name Koichi Shimono  
1st Author's Affiliation Tokyo University of Marine Science and Technology (TUMSAT)
2nd Author's Name Wa James Tam  
2nd Author's Affiliation Communications Research Centre Canada (CRC Canada)
3rd Author's Name Carlos Vazquez  
3rd Author's Affiliation Communications Research Centre Canada (CRC Canada)
4th Author's Name Filippo Speranza  
4th Author's Affiliation Communications Research Centre Canada (CRC Canada)
5th Author's Name Ron Renaud  
5th Author's Affiliation Communications Research Centre Canada (CRC Canada)
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Date Time 2010-10-15 09:50:00 
Presentation Time 25 
Registration for IEICE-HIP 
Paper #  
Volume (vol) ITE-34 
Number (no)  
#Pages ITE- 
Date of Issue  

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