Synergistic effect of microbubble flow and light fields on a bionic tree-like photobioreactor
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2020.116092
Abstract: Abstract A bionic fractal tree-like photobioreactor (PBR) with multiscale bubbles was studied to help intensify gas–liquid mass transfer and the microalgal photosynthesis. A numerical simulation and several experiments were conducted to study the hydrodynamic characteristics… read more here.
Keywords: flow; flow light; light fields; like photobioreactor ... See more keywords
Learning to restore light fields under low-light imaging
Sign Up to like & getrecommendations! Published in 2021 at "Neurocomputing"
DOI: 10.1016/j.neucom.2021.05.074
Abstract: Abstract Light Field (LF) images have the unique advantage of recording scenes from multiple viewpoints, which provides many applications, such as refocusing and depth estimation. However, low-light conditions can severely influence these applications. In this… read more here.
Keywords: learning restore; low light; fields low; light fields ... See more keywords
Simulation of photochemically induced motion of matter in gradient light fields
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Physics"
DOI: 10.1063/5.0011388
Abstract: The motion of matter containing photoreactive units, such as azo dyes, occurs when the latter undergo cyclic photoisomerization in gradients of light intensity; an effect referred to by photochemical tweezing. Matter motion is polarization sensitive… read more here.
Keywords: motion; matter; simulation photochemically; motion matter ... See more keywords
Quantum properties of parametric four-wave mixing in a Raman-type atomic system
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.95.053812
Abstract: We present a study of the quantum properties of two light fields used in parametric four-wave mixing in a Raman-type atomic system. The system realizes an effective Hamiltonian of beam-splitter-type coupling between the light fields,… read more here.
Keywords: quantum; system; quantum properties; parametric four ... See more keywords
Coding of Light Fields Using Disparity-Based Sparse Prediction
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2957934
Abstract: In this paper we introduce a new light field codec, dubbed WaSPR (warping and sparse prediction on regions), which has additional features and improved performance when compared to our recently introduced WaSP (warping and sparse… read more here.
Keywords: sparse prediction; coding light; prediction; light fields ... See more keywords
A Lightweight Depth Estimation Network for Wide-Baseline Light Fields
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Image Processing"
DOI: 10.1109/tip.2021.3051761
Abstract: Existing traditional and ConvNet-based methods for light field depth estimation mainly work on the narrow-baseline scenario. This paper explores the feasibility and capability of ConvNets to estimate depth in another promising scenario: wide-baseline light fields.… read more here.
Keywords: depth; wide baseline; baseline light; light fields ... See more keywords
Wide-Baseline Light Fields using Ellipsoidal Mirrors.
Sign Up to like & getrecommendations! Published in 2022 at "IEEE transactions on pattern analysis and machine intelligence"
DOI: 10.1109/tpami.2022.3202513
Abstract: Traditional hand-held light field cameras only observe a small fraction of the cone of light emitted by a scene point. As a consequence, the study of interesting angular effects like iridescence are beyond the scope… read more here.
Keywords: cone; light; baseline light; cone light ... See more keywords
Neural Subspaces for Light Fields.
Sign Up to like & getrecommendations! Published in 2022 at "IEEE transactions on visualization and computer graphics"
DOI: 10.1109/tvcg.2022.3224674
Abstract: We introduce a framework for compactly representing light field content with the novel concept of neural subspaces. While the recently proposed neural light field representation achieves great compression results by encoding a light field into… read more here.
Keywords: light field; neural subspaces; subspaces light; field ... See more keywords
Spectral light fields for improved three-dimensional profilometry
Sign Up to like & getrecommendations! Published in 2018 at "Optical Engineering"
DOI: 10.1117/1.oe.57.6.061609
Abstract: Abstract. Light fields are four-dimensional parametrizations of rays, extensively used for the representation of the rays emitted from three-dimensional objects. With the increasing availability of spectral imagers, conventional light fields can be augmented by the… read more here.
Keywords: three dimensional; spectral light; improved three; dimensional profilometry ... See more keywords
Interference of the scattered vector light fields from two optically levitated nanoparticles.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.454082
Abstract: We experimentally study the interference of dipole scattered light from two optically levitated nanoparticles in vacuum, which present an environment free of particle-substrate interactions. We illuminate the two trapped nanoparticles with a linearly polarized probe… read more here.
Keywords: scattered vector; vector light; optically levitated; interference ... See more keywords
Photodynamic therapy with light-emitting diode arrays producing different light fields induces apoptosis and necrosis in gastrointestinal cancer
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Oncology"
DOI: 10.3389/fonc.2022.1062666
Abstract: Introduction Light-emitting diodes (LEDs) have become a new light source for photodynamic therapy (PDT) because of their excellent optical properties, small size, and low cost. LED arrays have so far been designed to meet the… read more here.
Keywords: light field; led pdt; gastrointestinal cancer; sparse led ... See more keywords