2013 IEEE Conference on Computer Vision and Pattern Recognition 2013
DOI: 10.1109/cvpr.2013.324
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Reconstructing Gas Flows Using Light-Path Approximation

Abstract: Transparent gas flows are difficult to reconstruct: the refractive index field (RIF)

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Cited by 49 publications
(16 citation statements)
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“…By using this technique, the transparent surface can be reconstructed [22]. Similarly, Ji et al [23] also utilized the LF-probe and multiple viewpoints to reconstruct the invisible gas flow. Although this technique can reconstruct the transparent surface and invisible gas flow, it also has restricted practical use as the LF-probe is always required as a background object.…”
Section: Related Workmentioning
confidence: 97%
“…By using this technique, the transparent surface can be reconstructed [22]. Similarly, Ji et al [23] also utilized the LF-probe and multiple viewpoints to reconstruct the invisible gas flow. Although this technique can reconstruct the transparent surface and invisible gas flow, it also has restricted practical use as the LF-probe is always required as a background object.…”
Section: Related Workmentioning
confidence: 97%
“…Recall that we have ignored the effects of occlusion and specular reflection. The curious reader is referred to Durand et al [2005] for a discussion of specularly reflective surfaces and occlusions in the context of the light field, Maeno et al [2013] for scenes with refractive objects, Ji et al [2013] for an excellent treatment of the more complex case of refractive gas flows, and Raskar et al [2008] for situations where the camera itself contributes complex lens flare effects.…”
Section: Parallax In 2dmentioning
confidence: 99%
“…Specifically, reconstructing transparent objects is well-known a challenging problem [Ihrke et al 2010]. Recent developments, such as reconstruction of flames [Ihrke and Magnor 2004;Wu et al 2015b], mixing fluids [Gregson et al 2012], gas flow [Atcheson et al 2008;Ji et al 2013], and cloud [Levis et al 2015[Levis et al , 2017, aim at dynamic inhomogeneous transparent objects, whereas we focus on static reflective and refractive surfaces Fig. 2.…”
Section: Related Workmentioning
confidence: 99%
“…Tsai et al [2015] consider two-refraction cases instead. Note that with given incident and exit ray-ray correspondences [Iseringhausen et al 2017;Ji et al 2013;Wetzstein et al 2011], depth-normal ambiguity still exists as they are interrelated with each other. Qian et al [2016] propose a position-normal consistency constraint for solving the two-refraction reconstruction problem, but they only compute a pair of front-back surface depth maps.…”
Section: Direct Ray Measurements Kutulakos and Steger [Kutulakos Andmentioning
confidence: 99%