Dense Lissajous sampling and interpolation for dynamic light-transport
| Autor: | Xiaomeng Liu, Kristofer Henderson, Suren Jayasuriya, Joshua Rego, Sanjeev J. Koppal |
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| Rok vydání: | 2021 |
| Předmět: |
Cathode ray tube
business.industry Computer science ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION 02 engineering and technology 021001 nanoscience & nanotechnology 01 natural sciences Atomic and Molecular Physics and Optics Deformable mirror Light scattering law.invention 010309 optics Lissajous curve Optics Projector Sampling (signal processing) law 0103 physical sciences Computer vision Artificial intelligence Graphics 0210 nano-technology business ComputingMethodologies_COMPUTERGRAPHICS Interpolation |
| Zdroj: | Optics express. 29(12) |
| ISSN: | 1094-4087 |
| Popis: | Light-transport represents the complex interactions of light in a scene. Fast, compressed, and accurate light-transport capture for dynamic scenes is an open challenge in vision and graphics. In this paper, we integrate the classical idea of Lissajous sampling with novel control strategies for dynamic light-transport applications such as relighting water drops and seeing around corners. In particular, this paper introduces an improved Lissajous projector hardware design and discusses calibration and capture for a microelectromechanical (MEMS) mirror-based projector. Further, we show progress towards speeding up the hardware-based Lissajous subsampling for dual light transport frames, and investigate interpolation algorithms for recovering back the missing data. Our captured dynamic light transport results show complex light scattering effects for dense angular sampling, and we also show dual non-line-of-sight (NLoS) capture of dynamic scenes. This work is the first step towards adaptive Lissajous control for dynamic light-transport. |
| Databáze: | OpenAIRE |
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