Depth map up-sampling using random walk

Authors:
Gyo-Yoon Lee;Yo-Sung Ho
Affiliations:
Gwnagju Institute of Science and Technology (GIST), Gwangju, Republic of Korea;Gwnagju Institute of Science and Technology (GIST), Gwangju, Republic of Korea
Venue:
PSIVT'11 Proceedings of the 5th Pacific Rim conference on Advances in Image and Video Technology - Volume Part I
Year:
2011

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Abstract

For the high quality three-dimensional broadcasting, depth maps are important data. Although commercially available depth cameras capture high-accuracy depth maps in real time, their resolutions are much smaller than those of the corresponding color images due to technical limitations. In this paper, we propose the depth map up-sampling method using a high-resolution color image and a low-resolution depth map. The proposed method is appropriate to match boundaries between the color image and the depth map. Experimental results show that our method enhances the depth map resolution successfully.