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Edge-Guided Single Depth Image Super Resolution

delete2016-01-01
delete185
PRE
AI
J
Jun Xie *
R
Rogério Feris
M
Ming–Ting Sun
DOI:10.1109/TIP.2015.2501749delete
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摘要

摘要

En 中文
Recently, consumer depth cameras have gained significant popularity due to their affordable cost. However, the limited resolution and the quality of the depth map generated by these cameras are still problematic for several applications. In this paper, a novel framework for the single depth image superresolution is proposed. In our framework, the upscaling of a single depth image is guided by a high-resolution edge map, which is constructed from the edges of the low-resolution depth image through a Markov random field optimization in a patch synthesis based manner. We also explore the self-similarity of patches during the edge construction stage, when limited training data are available. With the guidance of the high-resolution edge map, we propose upsampling the high-resolution depth image through a modified joint bilateral filter. The edge-based guidance not only helps avoiding artifacts introduced by direct texture prediction, but also reduces jagged artifacts and preserves the sharp edges. Experimental results demonstrate the effectiveness of our method both qualitatively and quantitatively compared with the state-of-the-art methods.
Keyword:
Single depth image
super resolution
edge-guided
joint bilateral up-sampling
Markov random field
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期刊

IEEE Transactions on Image Processing 封面图
IEEE Transactions on Image Processing
IF:
13.7
论文数:
1.0W
被引数:
8.4W

机构

U
University of Washington
学者数:
8.0W
论文数: 7.0W
被引数: 12.5W
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