کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6939724 | 1449973 | 2018 | 38 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Occlusion-aware depth estimation for light field using multi-orientation EPIs
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی کامپیوتر
چشم انداز کامپیوتر و تشخیص الگو
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چکیده انگلیسی
Epipolar plane images (EPIs) contain special linear structures that reflect the disparity of a 3D point and are widely used in light field depth estimation. However, previous EPI-based approaches only utilize horizontal and vertical EPIs to estimate local disparities and ignore diagonal directions. In order to make full use of the regular grid light field images, we develop a strategy to extract epipolar plane images in all available directions. Based on the multi-orientation EPIs, a specific EPI in which the point is not occluded is found and used to calculate robust depth estimation. We also design a novel framework to estimate the depth information which combines the local depth with edge orientation. The multi-orientation EPIs and optimal orientation selection are proved to be effective in detecting and excluding occlusions. Experimental results show that the proposed method outperforms state-of-the-art depth estimation methods, especially near occlusion boundaries.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Pattern Recognition - Volume 74, February 2018, Pages 587-599
Journal: Pattern Recognition - Volume 74, February 2018, Pages 587-599
نویسندگان
Hao Sheng, Pan Zhao, Shuo Zhang, Jun Zhang, Da Yang,