Depth error compensation for camera fusion system

Cheon Lee; Sung-Yeol Kim; Byeongho ChoiYong-Moo KwonYo-Sung Ho

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Depth error compensation for camera fusion system

机译：Depth error compensation for camera fusion system

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摘要

When the three-dimensional (3-D) video system includes a multiview video generation technique using depth data to provide more realistic 3-D viewing experiences, accurate depth map acquisition is an important task. In order to generate the precise depth map in real time, we can build a camera fusion system with multiple color cameras and one time-of-flight (TOF) camera; however, this method is associated with depth errors, such as depth flickering, empty holes in the warped depth map, and mixed pixels around object boundaries. In this paper, we propose three different methods for depth error reduction to minimize such depth errors. In order to reduce depth flickering in the temporal domain, we propose a temporal enhancement method using a modified joint bilateral filtering at the TOF camera side. Then, we fill the empty holes in the warped depth map by selecting a virtual depth and applying a weighted depth filtering method. After hole filling, we remove mixed pixels and replace them with new depth values using an adaptive joint multilateral filter. Experimental results show that the proposed method reduces depth errors significantly in near real time.

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来源
《Optical Engineering》 |2013年第7期|073103-1-073103-13|共13页
作者
Cheon Lee; Sung-Yeol Kim; Byeongho ChoiYong-Moo KwonYo-Sung Ho;
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作者单位

School of Information and Communications, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagiro, Buk-ku, Gwangju 500-712, Republic of Korea;

Multimedia IP Research Center, Korea Electronics Technology Institute, Seongnam-si, Kyeonggi-do 463-816, Republic of Korea;

Imaging Media Research Center, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seongbuk-gu, Seoul 136-791, Republic of Korea;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类计量学;
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Depth error compensation for camera fusion system

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