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QPI methods based on white light illumination

Illumination Security of White LED in Visible Light Communication

Illumination Security of White LED in Visible Light Communication

... above, based on basic medical experiments, the visual security of LED light source in visible light communication has been ...different illumination, different spectrum and different ...

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White paper. In the best of light The challenges of minimum illumination

White paper. In the best of light The challenges of minimum illumination

... Do not be fooled! The consequence of the challenges described above is that a comparison between products from differ- ent vendors based on their lux ratings, f-numbers or sensor sizes is flawed by default. A ...

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White Light Emitting Diode Development for General Illumination Applications. Final Report

White Light Emitting Diode Development for General Illumination Applications. Final Report

... purpose. Based on the improved performance level of the individual LEDs after the project’s first year it was estimated that the 4 W target would require a module operating at a total of ~25 W ...

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Acceleration Methods for Ray Tracing based Global Illumination

Acceleration Methods for Ray Tracing based Global Illumination

... complex illumination problems ...Carlo based global illumination algorithms [Boul 08, Wald ...Carlo- based rendering systems are progressive by nature and thus have the advantage of robustly ...

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Scanning near-field optical microscopy with white-light illumination: nanoscale imaging and spectroscopy of resonant systems.

Scanning near-field optical microscopy with white-light illumination: nanoscale imaging and spectroscopy of resonant systems.

... These methods include techniques involving point-spread function engineering, such as STED microscopy, and single molecule imaging approaches such as PALM and ...

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A two phase framework for visible light-based positioning in an indoor environment: performance, latency, and illumination

A two phase framework for visible light-based positioning in an indoor environment: performance, latency, and illumination

... as illumination and communication ...using white LEDs is proposed in [60] and utilizes the RSS information from four LED luminaries as fingerprints for different locations with an accuracy of ...

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Multispectral imaging of the ocular fundus using light emitting diode illumination

Multispectral imaging of the ocular fundus using light emitting diode illumination

... system based on light emitting diode 共LED兲 illumination that produces multispectral optical images of the human ocular ...LED light source and a highly sensitive electron-multiplying charge ...

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Reducing Worst-Case Illumination Estimates for Better Automatic White Balance

Reducing Worst-Case Illumination Estimates for Better Automatic White Balance

... Introduction Illumination estimation is usually the first step in automatic white balancing of digital ...Many illumination-estimation algorithms have been proposed [2, 13, 15] and they tend to work ...

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Many-Light Real-Time Global Illumination using Sparse Voxel Octree

Many-Light Real-Time Global Illumination using Sparse Voxel Octree

... radiosity methods need a high number of VPLs to achieve visually compelling results especially for scenes with moving ...technique based on temporal ...

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Multi-spectral random illumination using a liquid crystal spatial light modulator

Multi-spectral random illumination using a liquid crystal spatial light modulator

... random illumination by a designed phase pattern which can eliminate the zeroth-order beam and let the light be more evenly ...random illumination by designing the phase pattern of ...random ...

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Progressive Point-Light-Based Global Illumination

Progressive Point-Light-Based Global Illumination

... techniques based on point light sources allows us to compute a global illumination solution including caustics, specular surfaces, depth of field, and dispersion effects in a single unified ren- ...

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Li-Fi(Light Fidelity) Based on Illumination

Li-Fi(Light Fidelity) Based on Illumination

... Li-Fi can be the technology for the future where data for laptops, smart watches and tablets will be transmitted through the light in the room security would not be an issue because of you can’t see the ...

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ILLUMINATION NORMALIZATION METHODS

ILLUMINATION NORMALIZATION METHODS

... the illumination variation to get ...the illumination normalization methods of face images like DCT (Discrete Cosine Transform) normalization, Wavelet Denoising, Gradient Faces, Local Contrast ...

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A REVIEW ON ILLUMINATION COMPENSATION AND ILLUMINATION INVARIANT TRACKING METHODS

A REVIEW ON ILLUMINATION COMPENSATION AND ILLUMINATION INVARIANT TRACKING METHODS

... the illumination normalization approach was proposed, in this approach DCT is employed for compensating illumination ...for illumination compensation is that illuminations variations can be ...

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Illumination preference, illumination constancy and colour discrimination by bumblebees in an environment with patchy light

Illumination preference, illumination constancy and colour discrimination by bumblebees in an environment with patchy light

... some illumination patches are likely to remain relatively stable – lighting conditions within a forest or in an open field will be subject to change over small spatial scales only near the edges, not ...in ...

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SPI/QPI PSRAM. Features

SPI/QPI PSRAM. Features

... 2 Introduction This Pseudo-SRAM device features a high speed, low pin count interface. It has 4 SDR I/O pins and operates in SPI(serial peripheral interface) or QPI (quad peripheral interface) mode with ...

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Quantum Estimation Methods for Quantum Illumination

Quantum Estimation Methods for Quantum Illumination

... Quantum illumination consists in shining quantum light on a target region immersed in a bright thermal bath with the aim of detecting the presence of a possible low-reflective ...quantum illumination ...

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Illumination Models & Surface-Rendering Methods

Illumination Models & Surface-Rendering Methods

... the illumination model to e#ery #isible surface point$ or illumination model to e#ery #isible surface point$ or the rendering can be accomplished by interpolating the rendering can be accomplished by ...

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Effects of Light Illumination on Ocular Responses and Visual Comfort

Effects of Light Illumination on Ocular Responses and Visual Comfort

... Artificial light sources such as Light-emitting Diode (LED) emit more intensive blue light (460 to 490 nm) and are with a wavelength distribution deviating from the peak wavelength of 550 nm in ...

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Structured Light 3D Scanning in the Presence of Global Illumination

Structured Light 3D Scanning in the Presence of Global Illumination

... technique, based on the work of Xu et al ...global illumination, resulting in reduction of the error ...Separation based modulated phase-shifting [ 4 ] can not remove the high-frequency ...

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