no code implementations • ECCV 2020 • Zhong Li, Yu Ji, Jingyi Yu, Jinwei Ye
In this paper, we present a PIV solution that uses a compact lenslet-based light field camera to track dense particles floating in the fluid and reconstruct the 3D fluid flow.
no code implementations • 6 Nov 2023 • Dehao Qin, Ripon Saha, Suren Jayasuriya, Jinwei Ye, Nianyi Li
In this paper, we present a two-stage unsupervised foreground object segmentation network tailored for dynamic scenes affected by atmospheric turbulence.
no code implementations • 25 Aug 2023 • Xinyuan Li, Yu Ji, Yanchen Liu, Xiaochen Hu, Jinwei Ye, Changxi Zheng
Leveraging the markers, we design a multi-camera system that captures surface deformation under the UV light and the visible light in a time multiplexing fashion.
no code implementations • 5 Sep 2021 • Yuqi Ding, Zhang Chen, Yu Ji, Jingyi Yu, Jinwei Ye
Recovering 3D geometry of underwater scenes is challenging because of non-linear refraction of light at the water-air interface caused by the camera housing.
no code implementations • 24 Aug 2021 • Yuqi Ding, Jinwei Ye, Corina Barbalata, James Oubre, Chandler Lemoine, Jacob Agostinho, Genevieve Palardy
Finishing operations on large-scale composite components like wind turbine blades, including trimming and sanding, often require multiple workers and part repositioning.
no code implementations • ICCV 2021 • Simron Thapa, Nianyi Li, Jinwei Ye
The fluctuation of the water surface causes refractive distortions that severely downgrade the image of an underwater scene.
no code implementations • ICCV 2021 • Yuqi Ding, Yu Ji, Mingyuan Zhou, Sing Bing Kang, Jinwei Ye
Helmholtz stereopsis (HS) exploits the reciprocity principle of light propagation (i. e., the Helmholtz reciprocity) for 3D reconstruction of surfaces with arbitrary reflectance.
1 code implementation • ICCV 2021 • Nianyi Li, Simron Thapa, Cameron Whyte, Albert W. Reed, Suren Jayasuriya, Jinwei Ye
In this paper, we present a novel unsupervised network to recover the latent distortion-free image.
no code implementations • 15 Apr 2019 • Zhong Li, Jinwei Ye, Yu Ji, Hao Sheng, Jingyi Yu
Particle Imaging Velocimetry (PIV) estimates the flow of fluid by analyzing the motion of injected particles.
no code implementations • 9 Apr 2019 • Mingyuan Zhou, Yu Ji, Yuqi Ding, Jinwei Ye, S. Susan Young, Jingyi Yu
In this paper, we introduce a novel concentric multi-spectral light field (CMSLF) design that is able to recover the shape and reflectance of surfaces with arbitrary material in one shot.
no code implementations • ECCV 2018 • Shi Jin, Ruiynag Liu, Yu Ji, Jinwei Ye, Jingyi Yu
The bullet-time effect, presented in feature film ``The Matrix", has been widely adopted in feature films and TV commercials to create an amazing stopping-time illusion.
no code implementations • 31 Jan 2018 • Zhong Li, Yu Ji, Wei Yang, Jinwei Ye, Jingyi Yu
In multi-view human body capture systems, the recovered 3D geometry or even the acquired imagery data can be heavily corrupted due to occlusions, noise, limited field of- view, etc.
no code implementations • CVPR 2014 • Yu Ji, Jinwei Ye, Sing Bing Kang, Jingyi Yu
In particular, we show that linear tone mapping eliminates ringing but incurs severe contrast loss, while non-linear tone mapping functions such as Gamma curves slightly enhances contrast but introduces ringing.
no code implementations • CVPR 2014 • Nianyi Li, Jinwei Ye, Yu Ji, Haibin Ling, Jingyi Yu
Existing saliency detection approaches use images as inputs and are sensitive to foreground/background similarities, complex background textures, and occlusions.
no code implementations • CVPR 2013 • Yu Ji, Jinwei Ye, Jingyi Yu
By observing the LF-probe through the gas flow, we acquire a dense set of ray-ray correspondences and then reconstruct their light paths.
no code implementations • CVPR 2013 • Jinwei Ye, Yu Ji, Jingyi Yu
Specifically, we prove that parallel 3D lines map to 2D curves in an XSlit image and they converge at an XSlit Vanishing Point (XVP).