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Depth and Image Restoration from Light Field in a Scattering Medium
Tian JD(田建东); Murez, Zak; Cui T(崔童); Zhang Z(张箴); Kriegman, David; Ramamoorthi, Ravi
作者部门机器人学研究室
会议名称2017 IEEE International Conference on Computer Vision (ICCV)
会议日期October 22-29, 2017
会议地点Venice, Italy
会议录名称2017 IEEE International Conference on Computer Vision (ICCV)
出版者IEEE
出版地New York
2017
页码2420-2429
收录类别EI ; CPCI(ISTP)
EI收录号20180704803965
WOS记录号WOS:000425498402051
产权排序1
ISSN号2380-7504
ISBN号978-1-5386-1032-9
摘要Traditional imaging methods and computer vision algorithms are often ineffective when images are acquired in scattering media, such as underwater, fog, and biological tissue. Here, we explore the use of light field imaging and algorithms for image restoration and depth estimation that address the image degradation from the medium. Towards this end, we make the following three contributions. First, we present a new single image restoration algorithm which removes backscatter and attenuation from images better than existing methods do, and apply it to each view in the light field. Second, we combine a novel transmission based depth cue with existing correspondence and defocus cues to improve light field depth estimation. In densely scattering media, our transmission depth cue is critical for depth estimation since the images have low signal to noise ratios which significantly degrades the performance of the correspondence and defocus cues. Finally, we propose shearing and refocusing multiple views of the light field to recover a single image of higher quality than what is possible from a single view. We demonstrate the benefits of our method through extensive experimental results in a water tank.
语种英语
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文献类型会议论文
条目标识符http://ir.sia.cn/handle/173321/21345
专题机器人学研究室
通讯作者Tian JD(田建东)
作者单位1.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, China
2.Department of Computer Science and Engineering, University of California, San Diego, United States
3.University of Chinese Academy of Sciences, China
推荐引用方式
GB/T 7714
Tian JD,Murez, Zak,Cui T,et al. Depth and Image Restoration from Light Field in a Scattering Medium[C]. New York:IEEE,2017:2420-2429.
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