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Embedded Polarizing Filters to Separate Diffuse and Specular Reflection

Publications associées (45)

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Advancements in imaging technology made commercially available cameras cheaper, easily accessible with higher resolution than ever and with complex image capturing features. Today, it is estimated that more than one billion cameras sold every year. However ...

EPFL2016

Clogging in parallelized tapered microfluidic channels

Esther Amstad

Nearly all tubes and pores used to transport solids in fluids, such as arteries and filters, are subject to clogging. The length scales and geometries of these tubes are well defined. In spite of this knowledge, the collective clogging behavior of multiple ...

Springer Heidelberg2016

Joint Acquisition of Color and Near-Infrared Images on a Single Sensor

Zahra Sadeghipoor Kermani

In the past few years, fusing NIR and color images has been explored in general computational photography and computer vision tasks, where traditionally only color images are used. The additional information provided by the differences of light and scene r ...

EPFL2015

We present a new approach for the reproduction of color images on a metallic substrate that look bright and colorful under specular reflection observation conditions and also look good under non-specular reflection observation conditions. We fit amounts of ...

2015

Color Imaging and Pattern Hiding on a Metallic Substrate

Roger Hersch, Petar Pjanic

2015

Over the past two decades, most techniques that have been developed are focused on opaque objects with Lambertian reflectance. For the transparent and specular objects, they have more complex light transport effect, which pose challenging problems for the ...

2015

We study a modification of the orthogonal matching pursuit (OMP) for estimating sparse multipath channels. The reflectors that generate the multipath components are not ideal; rather, they act as filters, so that the returned pulses are reshaped and widene ...

2015

Camera design for the simultaneous capture of near-infrared and visible images

Sabine Süsstrunk, Yue Lu

A camera for simultaneously capturing a visible and near-infrared (NIR) image of one or more objects, the camera comprising: at least one colour filter array (CFA) including at least four different filters, said at least one colour filter array having visi ...

US Patent Office2013

Light spectral filtering based on spatial adiabatic passage

Victor Javier Cadarso Busto

We present the first experimental realization of a light spectral filter based on the spatial adiabatic passage technique. We demonstrate that a fully integrable CMOS-compatible system of three coupled identical total internal reflection silicon oxide wave ...

Nature Publishing Group2013

Effect of spectral overlap on the echo suppression threshold for single reflection conditions

Andreas Walther

In performing arts venues, the spectra of direct and reflected sound at a receiving location differ, due to seat dip effect, diffusive and absorptive surfaces, and source directivity. This paper examines the influence of differing lead and lag spectral con ...

Acoustical Society of America2013