Light field
Feasibility and accuracy assessment of light field (plenoptic) PIV flow-measurement technique
... a light field PIV measurement with the results obtained by a stereo PIV ...multiple light field cameras are used, and reported that high-fidelity measurements can be performed even with only ...
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Real-time virtual view synthesis using light field
... from light field. Then the light field is transformed into frequency ...The light field is parameterized and reconstructed from image ...the light field in ...
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Investigation of flame radiation sampling and temperature measurement through light field camera
... the light field camera originated from the light slab parameterization [4] is proved a promising sensing device for the 3-D flame temperature measurement [5] where the radiation intensity and ...
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4-D light field reconstruction by irradiance decomposition
... the light source and it captures images as shown in ...a light field plane L is defined in the coordinate system of the light source at the position of the diffuser plane with d = 0mm, for ...
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Understanding camera trade-offs through a Bayesian analysis of light field projections
... of light rays, with the optics specifying the mapping between rays and sensor ...4D light field where each projected coordinate corresponds to the measurement of one ...the light field ...
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Geometric calibration of focused light field camera for 3-D flame temperature measurement
... focused light field camera, Zhang’s calibration method cannot be employed directly to calibrate the focused light field ...traditional light field camera ...lytro light ...
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Photo consistency and multiresolution methods for light field disparity estimation
... uniform background being identified as photo-consistent. Here our metric significantly outperforms traditional techniques because cameras are weighted in favour of those more closely aligned with the reconstruction ray. ...
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Three-dimensional temperature field measurement of flame using a single light field camera
... focused light field ...as light filed, and so a single light field camera can capture the radiation of flame with a single ...of light field camera, the far distance is ...
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Single-shot layered reflectance separation using a polarized light field camera
... for light field sam- pling and compares these single-shot separation results with that obtained using the computational illumination technique of Ghosh et ...
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Multiple-plane particle image velocimetry using a light-field camera
... of light-field imaging is to capture not only spatial coordinates of the intensity distribution on the sensor plane, but also angles of the light that forms the image ...on light-field ...
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Evaluation of the different levels of variability in the underwater light field of a shallow estuary
... than field measurements of the magnitude and frequency of these fluctuations (Trenkensu et ...of light by photosynthetically active pigments shows distinct spectral dependency (for reviews see: Falkowski ...
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Light field Image Super resolution Using Convolutional Neural Network
... Figure 1 illustrates the framework of the proposed method. Figure 1(a) represents low-resolution sub-aperture images captured by light field camera. We use the adjacent sub-aperture images of the objective ...
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Modal beam splitter : determination of the transversal components of an electromagnetic light field
... The transversal profile of beams can always be defined as a superposition of orthogonal fields, such as optical eigenmodes. Here, we describe a generic method to separate the individual components in a laser beam and map ...
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Light Field Flow Estimation Based on Occlusion Detection
... preserving light-field flow estimation ...flow field of multi-frame sub-apertures of light-field images is ...of light-field images and the correspondence among them, a ...
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THE EFFECT OF MAGNETIC FIELD ON THE EFFICIENCY OF A SILICON SOLAR CELL UNDER AN INTENSE LIGHT CONCENTRATION
... magnetic field in- tensity, the maximum electric power delivered by the light concentration silicon solar cell is higher than the one produced by a bifacial silicon solar ...magnetic field reduces ...
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New research in the light and health field is expanding the possibilities for LED lighting in healthcare environments
... blue light or red light at the cornea of the patients; however, illuminance at the cornea could not be rigidly controlled due to voluntary movements, changes in sitting positions, and absences from the room ...
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Wide field of view fluorescent antenna for visible light communications beyond the étendue limit
... the light output of a commercial blue ...of light represents bits with a value of zero and full intensity represents bits with a value of ...received light from the edge of the fluorescent ...
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Light-Response Curves for Jatropha Curcas Provenances under Field Conditions in Costa Rica
... photosynthetic light-response curve (Eq 1) ranging from 0 to approximately 2 000 µmol (photon) ) m –2 s –1 ...the light compensation point (Icomp) and the point and the ϕ(I), at a I= 200 µmol(photon) m –2 s ...
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Effect of tree level and mean field improvement on the light hadron spectrum in quenched QCD
... We compute the light-hadron mass spectrum at b 5 5.7 using the O(a)-improved Sheikholeslami-Wohlert fermion action with two choices of the clover coefficient: the classical value c 5 1 and a mean-field or ...
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Near field surface plasmon effects on Au double slit diffraction for polychromatic light
... The subscript Nor denotes the normal double-slit situation. A normal double-slit is a completely opaque configuration except the two open slits, which is usually obtained from an infinitely thin, perfect conducting ...
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